diff options
Diffstat (limited to 'LuaSL/testLua/yueliang-0.4.1/orig-5.0.3')
19 files changed, 0 insertions, 5888 deletions
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/README b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/README deleted file mode 100644 index e64bf50..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/README +++ /dev/null | |||
@@ -1,51 +0,0 @@ | |||
1 | orig-5.0.3 | ||
2 | |||
3 | This is a straightforward port of the Lua 5.0.3 front end (lexical | ||
4 | analyzer, parser, code generator, binary chunk dumper.) | ||
5 | |||
6 | The front end files are: | ||
7 | |||
8 | lopcodes.lua opcode definition | ||
9 | lzio.lua input streams | ||
10 | llex.lua lexical analyzer | ||
11 | lparser.lua parser | ||
12 | lcode.lua code generator | ||
13 | ldump.lua binary chunk dumper | ||
14 | |||
15 | Status: operational, passes all current tests (non-exhaustive) | ||
16 | |||
17 | Major test scripts are: | ||
18 | |||
19 | test/test_llex.lua exercises test cases | ||
20 | test/test_lparser2.lua exercises test cases | ||
21 | |||
22 | luac.lua is a clone of Lua 5.0.3's luac.lua, except that it generates a | ||
23 | binary chunk using Yueliang's front end implementation. | ||
24 | |||
25 | Note that performance is not a consideration. The code tries to stay | ||
26 | faithful to its C roots, so that if you were to do anything using this | ||
27 | codebase, backporting the changes to C will be easy. As such, this | ||
28 | codebase is meant for learning or prototyping purposes. | ||
29 | |||
30 | Many parameters are unused, because call arguments are retained as far | ||
31 | as possible. Changes and deletions are described wherever possible, but | ||
32 | documentation of changes is not comprehensive. | ||
33 | |||
34 | These files will stay faithful to the equivalent C files or modules in | ||
35 | Lua 5.0.3. For rewrites or new features, a new directory will be created | ||
36 | and a different set of files maintained. For Lua 5.1, a new directory | ||
37 | will be created. | ||
38 | |||
39 | The test directory has several primitive test scripts. Much better | ||
40 | testing is planned. Eventually, the codebase will be validated using | ||
41 | automated tests, so that any changes that breaks the system can be | ||
42 | caught easily. | ||
43 | |||
44 | The tools directory has a call graph generator, showing what gets | ||
45 | called. Specific modules and functions can be monitored, and some | ||
46 | parameters and return values are shown. This is a demonstration of the | ||
47 | flexibility and ease of manipulation of using a relatively inefficient | ||
48 | global table scheme. | ||
49 | |||
50 | For Lua 5.0.2, see Yueliang 0.1.3, which was the last release of Lua | ||
51 | 5.0.2 material. | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lcode.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lcode.lua deleted file mode 100644 index c18dc08..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lcode.lua +++ /dev/null | |||
@@ -1,902 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | lcode.lua | ||
4 | Lua 5 code generator in Lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * one function manipulate a pointer argument with a simple data type | ||
18 | -- (can't be emulated by a table, ambiguous), now returns that value: | ||
19 | -- luaK:concat(fs, l1, l2) | ||
20 | -- * some function parameters changed to boolean, additional code | ||
21 | -- translates boolean back to 1/0 for instruction fields | ||
22 | -- * Added: | ||
23 | -- luaK:ttisnumber(o) (from lobject.h) | ||
24 | -- luaK:nvalue(o) (from lobject.h) | ||
25 | -- luaK:setnilvalue(o) (from lobject.h) | ||
26 | -- luaK:setsvalue(o, x) (from lobject.h) | ||
27 | -- luaK:setnvalue(o, x) (from lobject.h) | ||
28 | -- luaK:sethvalue(o, x) (from lobject.h) | ||
29 | ----------------------------------------------------------------------]] | ||
30 | |||
31 | -- requires luaP, luaX, luaY | ||
32 | luaK = {} | ||
33 | |||
34 | ------------------------------------------------------------------------ | ||
35 | -- Marks the end of a patch list. It is an invalid value both as an absolute | ||
36 | -- address, and as a list link (would link an element to itself). | ||
37 | ------------------------------------------------------------------------ | ||
38 | luaK.NO_JUMP = -1 | ||
39 | |||
40 | ------------------------------------------------------------------------ | ||
41 | -- grep "ORDER OPR" if you change these enums | ||
42 | ------------------------------------------------------------------------ | ||
43 | luaK.BinOpr = { | ||
44 | OPR_ADD = 0, OPR_SUB = 1, OPR_MULT = 2, OPR_DIV = 3, OPR_POW = 4, | ||
45 | OPR_CONCAT = 5, | ||
46 | OPR_NE = 6, OPR_EQ = 7, | ||
47 | OPR_LT = 8, OPR_LE = 9, OPR_GT = 10, OPR_GE = 11, | ||
48 | OPR_AND = 12, OPR_OR = 13, | ||
49 | OPR_NOBINOPR = 14, | ||
50 | } | ||
51 | |||
52 | ------------------------------------------------------------------------ | ||
53 | -- emulation of TObject macros (these are from lobject.h) | ||
54 | -- * TObject is a table since lcode passes references around | ||
55 | -- * tt member field removed, using Lua's type() instead | ||
56 | ------------------------------------------------------------------------ | ||
57 | function luaK:ttisnumber(o) | ||
58 | if o then return type(o.value) == "number" else return false end | ||
59 | end | ||
60 | function luaK:nvalue(o) return o.value end | ||
61 | function luaK:setnilvalue(o) o.value = nil end | ||
62 | function luaK:setsvalue(o, x) o.value = x end | ||
63 | luaK.setnvalue = luaK.setsvalue | ||
64 | luaK.sethvalue = luaK.setsvalue | ||
65 | |||
66 | ------------------------------------------------------------------------ | ||
67 | -- * binopistest appears to be unused | ||
68 | -- * UnOpr is used by luaK:prefix's op argument | ||
69 | ------------------------------------------------------------------------ | ||
70 | function luaK:binopistest(op) | ||
71 | return self.BinOpr[op] >= self.BinOpr["OPR_NE"] | ||
72 | end | ||
73 | |||
74 | luaK.UnOpr = { | ||
75 | OPR_MINUS = 0, OPR_NOT = 1, OPR_NOUNOPR = 2 | ||
76 | } | ||
77 | |||
78 | ------------------------------------------------------------------------ | ||
79 | -- returns the instruction object for given e (expdesc) | ||
80 | ------------------------------------------------------------------------ | ||
81 | function luaK:getcode(fs, e) | ||
82 | return fs.f.code[e.info] | ||
83 | end | ||
84 | |||
85 | ------------------------------------------------------------------------ | ||
86 | -- codes an instruction with a signed Bx (sBx) field | ||
87 | ------------------------------------------------------------------------ | ||
88 | function luaK:codeAsBx(fs, o, A, sBx) | ||
89 | return self:codeABx(fs, o, A, sBx + luaP.MAXARG_sBx) | ||
90 | end | ||
91 | |||
92 | ------------------------------------------------------------------------ | ||
93 | -- there is a jump if patch lists are not identical | ||
94 | -- * used in luaK:exp2reg(), luaK:exp2anyreg(), luaK:exp2val() | ||
95 | ------------------------------------------------------------------------ | ||
96 | function luaK:hasjumps(e) | ||
97 | return e.t ~= e.f | ||
98 | end | ||
99 | |||
100 | ------------------------------------------------------------------------ | ||
101 | -- codes loading of nil, optimization done if consecutive locations | ||
102 | -- * used only in discharge2reg() | ||
103 | ------------------------------------------------------------------------ | ||
104 | function luaK:_nil(fs, from, n) | ||
105 | if fs.pc > fs.lasttarget then -- no jumps to current position? | ||
106 | local previous = fs.f.code[fs.pc - 1] | ||
107 | if luaP:GET_OPCODE(previous) == "OP_LOADNIL" then | ||
108 | local pfrom = luaP:GETARG_A(previous) | ||
109 | local pto = luaP:GETARG_B(previous) | ||
110 | if pfrom <= from and from <= pto + 1 then -- can connect both? | ||
111 | if from + n - 1 > pto then | ||
112 | luaP:SETARG_B(previous, from + n - 1) | ||
113 | end | ||
114 | return | ||
115 | end | ||
116 | end | ||
117 | end | ||
118 | self:codeABC(fs, "OP_LOADNIL", from, from + n - 1, 0) -- else no optimization | ||
119 | end | ||
120 | |||
121 | ------------------------------------------------------------------------ | ||
122 | -- | ||
123 | -- * used in multiple locations | ||
124 | ------------------------------------------------------------------------ | ||
125 | function luaK:jump(fs) | ||
126 | local jpc = fs.jpc -- save list of jumps to here | ||
127 | fs.jpc = self.NO_JUMP | ||
128 | local j = self:codeAsBx(fs, "OP_JMP", 0, self.NO_JUMP) | ||
129 | return self:concat(fs, j, jpc) -- keep them on hold | ||
130 | end | ||
131 | |||
132 | ------------------------------------------------------------------------ | ||
133 | -- | ||
134 | -- * used in luaK:jumponcond(), luaK:codebinop() | ||
135 | ------------------------------------------------------------------------ | ||
136 | function luaK:condjump(fs, op, A, B, C) | ||
137 | self:codeABC(fs, op, A, B, C) | ||
138 | return self:jump(fs) | ||
139 | end | ||
140 | |||
141 | ------------------------------------------------------------------------ | ||
142 | -- | ||
143 | -- * used in luaK:patchlistaux(), luaK:concat() | ||
144 | ------------------------------------------------------------------------ | ||
145 | function luaK:fixjump(fs, pc, dest) | ||
146 | local jmp = fs.f.code[pc] | ||
147 | local offset = dest - (pc + 1) | ||
148 | lua_assert(dest ~= self.NO_JUMP) | ||
149 | if math.abs(offset) > luaP.MAXARG_sBx then | ||
150 | luaX:syntaxerror(fs.ls, "control structure too long") | ||
151 | end | ||
152 | luaP:SETARG_sBx(jmp, offset) | ||
153 | end | ||
154 | |||
155 | ------------------------------------------------------------------------ | ||
156 | -- returns current 'pc' and marks it as a jump target (to avoid wrong | ||
157 | -- optimizations with consecutive instructions not in the same basic block). | ||
158 | -- * used in multiple locations | ||
159 | -- * fs.lasttarget tested only by luaK:_nil() when optimizing OP_LOADNIL | ||
160 | ------------------------------------------------------------------------ | ||
161 | function luaK:getlabel(fs) | ||
162 | fs.lasttarget = fs.pc | ||
163 | return fs.pc | ||
164 | end | ||
165 | |||
166 | ------------------------------------------------------------------------ | ||
167 | -- | ||
168 | -- * used in luaK:need_value(), luaK:patchlistaux(), luaK:concat() | ||
169 | ------------------------------------------------------------------------ | ||
170 | function luaK:getjump(fs, pc) | ||
171 | local offset = luaP:GETARG_sBx(fs.f.code[pc]) | ||
172 | if offset == self.NO_JUMP then -- point to itself represents end of list | ||
173 | return self.NO_JUMP -- end of list | ||
174 | else | ||
175 | return (pc + 1) + offset -- turn offset into absolute position | ||
176 | end | ||
177 | end | ||
178 | |||
179 | ------------------------------------------------------------------------ | ||
180 | -- | ||
181 | -- * used in luaK:need_value(), luaK:patchlistaux(), luaK:invertjump() | ||
182 | ------------------------------------------------------------------------ | ||
183 | function luaK:getjumpcontrol(fs, pc) | ||
184 | local pi = fs.f.code[pc] | ||
185 | local ppi = fs.f.code[pc - 1] | ||
186 | if pc >= 1 and luaP:testOpMode(luaP:GET_OPCODE(ppi), "OpModeT") then | ||
187 | return ppi | ||
188 | else | ||
189 | return pi | ||
190 | end | ||
191 | end | ||
192 | |||
193 | ------------------------------------------------------------------------ | ||
194 | -- check whether list has any jump that do not produce a value | ||
195 | -- (or produce an inverted value) | ||
196 | -- * used only in luaK:exp2reg() | ||
197 | ------------------------------------------------------------------------ | ||
198 | function luaK:need_value(fs, list, cond) | ||
199 | while list ~= self.NO_JUMP do | ||
200 | local i = self:getjumpcontrol(fs, list) | ||
201 | if luaP:GET_OPCODE(i) ~= "OP_TEST" or | ||
202 | luaP:GETARG_A(i) ~= luaP.NO_REG or | ||
203 | luaP:GETARG_C(i) ~= cond then | ||
204 | return true | ||
205 | end | ||
206 | list = self:getjump(fs, list) | ||
207 | end | ||
208 | return false -- not found | ||
209 | end | ||
210 | |||
211 | ------------------------------------------------------------------------ | ||
212 | -- | ||
213 | -- * used only in luaK:patchlistaux() | ||
214 | ------------------------------------------------------------------------ | ||
215 | function luaK:patchtestreg(i, reg) | ||
216 | if reg == luaP.NO_REG then reg = luaP:GETARG_B(i) end | ||
217 | luaP:SETARG_A(i, reg) | ||
218 | end | ||
219 | |||
220 | ------------------------------------------------------------------------ | ||
221 | -- | ||
222 | -- * used only in luaK:codenot() | ||
223 | ------------------------------------------------------------------------ | ||
224 | |||
225 | function luaK:removevalues(fs, list) | ||
226 | while list ~= self.NO_JUMP do | ||
227 | local i = self:getjumpcontrol(fs, list) | ||
228 | if luaP:GET_OPCODE(i) == "OP_TEST" then | ||
229 | self:patchtestreg(i, luaP.NO_REG) | ||
230 | end | ||
231 | list = self:getjump(fs, list) | ||
232 | end | ||
233 | end | ||
234 | |||
235 | ------------------------------------------------------------------------ | ||
236 | -- | ||
237 | -- * used in luaK:dischargejpc(), luaK:patchlist(), luaK:exp2reg() | ||
238 | ------------------------------------------------------------------------ | ||
239 | function luaK:patchlistaux(fs, list, vtarget, reg, dtarget) | ||
240 | while list ~= self.NO_JUMP do | ||
241 | local _next = self:getjump(fs, list) | ||
242 | local i = self:getjumpcontrol(fs, list) | ||
243 | if luaP:GET_OPCODE(i) == "OP_TEST" and luaP:GETARG_A(i) == luaP.NO_REG then | ||
244 | self:patchtestreg(i, reg) | ||
245 | self:fixjump(fs, list, vtarget) | ||
246 | else | ||
247 | self:fixjump(fs, list, dtarget) -- jump to default target | ||
248 | end | ||
249 | list = _next | ||
250 | end | ||
251 | end | ||
252 | |||
253 | ------------------------------------------------------------------------ | ||
254 | -- | ||
255 | -- * used only in luaK:code() | ||
256 | ------------------------------------------------------------------------ | ||
257 | function luaK:dischargejpc(fs) | ||
258 | self:patchlistaux(fs, fs.jpc, fs.pc, luaP.NO_REG, fs.pc) | ||
259 | fs.jpc = self.NO_JUMP | ||
260 | end | ||
261 | |||
262 | ------------------------------------------------------------------------ | ||
263 | -- | ||
264 | -- * used in (lparser) luaY:whilestat(), luaY:repeatstat(), luaY:forbody() | ||
265 | ------------------------------------------------------------------------ | ||
266 | function luaK:patchlist(fs, list, target) | ||
267 | if target == fs.pc then | ||
268 | self:patchtohere(fs, list) | ||
269 | else | ||
270 | lua_assert(target < fs.pc) | ||
271 | self:patchlistaux(fs, list, target, luaP.NO_REG, target) | ||
272 | end | ||
273 | end | ||
274 | |||
275 | ------------------------------------------------------------------------ | ||
276 | -- | ||
277 | -- * used in multiple locations | ||
278 | ------------------------------------------------------------------------ | ||
279 | function luaK:patchtohere(fs, list) | ||
280 | self:getlabel(fs) | ||
281 | fs.jpc = self:concat(fs, fs.jpc, list) | ||
282 | end | ||
283 | |||
284 | ------------------------------------------------------------------------ | ||
285 | -- * l1 was a pointer, now l1 is returned and callee assigns the value | ||
286 | -- * used in multiple locations | ||
287 | ------------------------------------------------------------------------ | ||
288 | function luaK:concat(fs, l1, l2) | ||
289 | if l2 == self.NO_JUMP then return l1 -- unchanged | ||
290 | elseif l1 == self.NO_JUMP then | ||
291 | return l2 -- changed | ||
292 | else | ||
293 | local list = l1 | ||
294 | local _next = self:getjump(fs, list) | ||
295 | while _next ~= self.NO_JUMP do -- find last element | ||
296 | list = _next | ||
297 | _next = self:getjump(fs, list) | ||
298 | end | ||
299 | self:fixjump(fs, list, l2) | ||
300 | end | ||
301 | return l1 -- unchanged | ||
302 | end | ||
303 | |||
304 | ------------------------------------------------------------------------ | ||
305 | -- | ||
306 | -- * used in luaK:reserveregs(), (lparser) luaY:forlist() | ||
307 | ------------------------------------------------------------------------ | ||
308 | function luaK:checkstack(fs, n) | ||
309 | local newstack = fs.freereg + n | ||
310 | if newstack > fs.f.maxstacksize then | ||
311 | if newstack >= luaY.MAXSTACK then | ||
312 | luaX:syntaxerror(fs.ls, "function or expression too complex") | ||
313 | end | ||
314 | fs.f.maxstacksize = newstack | ||
315 | end | ||
316 | end | ||
317 | |||
318 | ------------------------------------------------------------------------ | ||
319 | -- | ||
320 | -- * used in multiple locations | ||
321 | ------------------------------------------------------------------------ | ||
322 | function luaK:reserveregs(fs, n) | ||
323 | self:checkstack(fs, n) | ||
324 | fs.freereg = fs.freereg + n | ||
325 | end | ||
326 | |||
327 | ------------------------------------------------------------------------ | ||
328 | -- | ||
329 | -- * used in luaK:freeexp(), luaK:dischargevars() | ||
330 | ------------------------------------------------------------------------ | ||
331 | function luaK:freereg(fs, reg) | ||
332 | if reg >= fs.nactvar and reg < luaY.MAXSTACK then | ||
333 | fs.freereg = fs.freereg - 1 | ||
334 | lua_assert(reg == fs.freereg) | ||
335 | end | ||
336 | end | ||
337 | |||
338 | ------------------------------------------------------------------------ | ||
339 | -- | ||
340 | -- * used in multiple locations | ||
341 | ------------------------------------------------------------------------ | ||
342 | function luaK:freeexp(fs, e) | ||
343 | if e.k == "VNONRELOC" then | ||
344 | self:freereg(fs, e.info) | ||
345 | end | ||
346 | end | ||
347 | |||
348 | ------------------------------------------------------------------------ | ||
349 | -- * luaH_get, luaH_set deleted; direct table access used instead | ||
350 | -- * luaO_rawequalObj deleted in first assert | ||
351 | -- * setobj2n deleted in assignment of v to f.k table | ||
352 | -- * used in luaK:stringK(), luaK:numberK(), luaK:nil_constant() | ||
353 | ------------------------------------------------------------------------ | ||
354 | function luaK:addk(fs, k, v) | ||
355 | local idx = fs.h[k.value] | ||
356 | if self:ttisnumber(idx) then | ||
357 | --TODO this assert currently FAILS, probably something wrong... | ||
358 | --lua_assert(fs.f.k[self:nvalue(idx)] == v) | ||
359 | return self:nvalue(idx) | ||
360 | else -- constant not found; create a new entry | ||
361 | local f = fs.f | ||
362 | luaY:growvector(fs.L, f.k, fs.nk, f.sizek, nil, | ||
363 | luaP.MAXARG_Bx, "constant table overflow") | ||
364 | f.k[fs.nk] = v -- setobj2n deleted | ||
365 | fs.h[k.value] = {} | ||
366 | self:setnvalue(fs.h[k.value], fs.nk) | ||
367 | local nk = fs.nk | ||
368 | fs.nk = fs.nk + 1 | ||
369 | return nk | ||
370 | end | ||
371 | end | ||
372 | |||
373 | ------------------------------------------------------------------------ | ||
374 | -- creates and sets a string object | ||
375 | -- * used in (lparser) luaY:codestring(), luaY:singlevaraux() | ||
376 | ------------------------------------------------------------------------ | ||
377 | function luaK:stringK(fs, s) | ||
378 | local o = {} -- TObject | ||
379 | self:setsvalue(o, s) | ||
380 | return self:addk(fs, o, o) | ||
381 | end | ||
382 | |||
383 | ------------------------------------------------------------------------ | ||
384 | -- creates and sets a number object | ||
385 | -- * used in luaK:prefix() for negative (or negation of) numbers | ||
386 | -- * used in (lparser) luaY:simpleexp(), luaY:fornum() | ||
387 | ------------------------------------------------------------------------ | ||
388 | function luaK:numberK(fs, r) | ||
389 | local o = {} -- TObject | ||
390 | self:setnvalue(o, r) | ||
391 | return self:addk(fs, o, o) | ||
392 | end | ||
393 | |||
394 | ------------------------------------------------------------------------ | ||
395 | -- | ||
396 | -- * used only in luaK:exp2RK() | ||
397 | ------------------------------------------------------------------------ | ||
398 | function luaK:nil_constant(fs) | ||
399 | local k, v = {}, {} -- TObject | ||
400 | self:setnilvalue(v) | ||
401 | self:sethvalue(k, fs.h) -- cannot use nil as key; instead use table itself | ||
402 | return self:addk(fs, k, v) | ||
403 | end | ||
404 | |||
405 | ------------------------------------------------------------------------ | ||
406 | -- | ||
407 | -- * used in luaK:dischargevars() | ||
408 | -- * used in (lparser) luaY:adjust_assign(), luaY:lastlistfield(), | ||
409 | -- luaY:funcargs(), luaY:assignment(), luaY:exprstat(), luaY:retstat() | ||
410 | ------------------------------------------------------------------------ | ||
411 | function luaK:setcallreturns(fs, e, nresults) | ||
412 | if e.k == "VCALL" then -- expression is an open function call? | ||
413 | luaP:SETARG_C(self:getcode(fs, e), nresults + 1) | ||
414 | if nresults == 1 then -- 'regular' expression? | ||
415 | e.k = "VNONRELOC" | ||
416 | e.info = luaP:GETARG_A(self:getcode(fs, e)) | ||
417 | end | ||
418 | end | ||
419 | end | ||
420 | |||
421 | ------------------------------------------------------------------------ | ||
422 | -- | ||
423 | -- * used in multiple locations | ||
424 | ------------------------------------------------------------------------ | ||
425 | function luaK:dischargevars(fs, e) | ||
426 | local k = e.k | ||
427 | if k == "VLOCAL" then | ||
428 | e.k = "VNONRELOC" | ||
429 | elseif k == "VUPVAL" then | ||
430 | e.info = self:codeABC(fs, "OP_GETUPVAL", 0, e.info, 0) | ||
431 | e.k = "VRELOCABLE" | ||
432 | elseif k == "VGLOBAL" then | ||
433 | e.info = self:codeABx(fs, "OP_GETGLOBAL", 0, e.info) | ||
434 | e.k = "VRELOCABLE" | ||
435 | elseif k == "VINDEXED" then | ||
436 | self:freereg(fs, e.aux) | ||
437 | self:freereg(fs, e.info) | ||
438 | e.info = self:codeABC(fs, "OP_GETTABLE", 0, e.info, e.aux) | ||
439 | e.k = "VRELOCABLE" | ||
440 | elseif k == "VCALL" then | ||
441 | self:setcallreturns(fs, e, 1) | ||
442 | else | ||
443 | -- there is one value available (somewhere) | ||
444 | end | ||
445 | end | ||
446 | |||
447 | ------------------------------------------------------------------------ | ||
448 | -- | ||
449 | -- * used only in luaK:exp2reg() | ||
450 | ------------------------------------------------------------------------ | ||
451 | function luaK:code_label(fs, A, b, jump) | ||
452 | self:getlabel(fs) -- those instructions may be jump targets | ||
453 | return self:codeABC(fs, "OP_LOADBOOL", A, b, jump) | ||
454 | end | ||
455 | |||
456 | ------------------------------------------------------------------------ | ||
457 | -- | ||
458 | -- * used in luaK:discharge2anyreg(), luaK:exp2reg() | ||
459 | ------------------------------------------------------------------------ | ||
460 | function luaK:discharge2reg(fs, e, reg) | ||
461 | self:dischargevars(fs, e) | ||
462 | local k = e.k | ||
463 | if k == "VNIL" then | ||
464 | self:_nil(fs, reg, 1) | ||
465 | elseif k == "VFALSE" or k == "VTRUE" then | ||
466 | self:codeABC(fs, "OP_LOADBOOL", reg, (e.k == "VTRUE") and 1 or 0, 0) | ||
467 | elseif k == "VK" then | ||
468 | self:codeABx(fs, "OP_LOADK", reg, e.info) | ||
469 | elseif k == "VRELOCABLE" then | ||
470 | local pc = self:getcode(fs, e) | ||
471 | luaP:SETARG_A(pc, reg) | ||
472 | elseif k == "VNONRELOC" then | ||
473 | if reg ~= e.info then | ||
474 | self:codeABC(fs, "OP_MOVE", reg, e.info, 0) | ||
475 | end | ||
476 | else | ||
477 | lua_assert(e.k == "VVOID" or e.k == "VJMP") | ||
478 | return -- nothing to do... | ||
479 | end | ||
480 | e.info = reg | ||
481 | e.k = "VNONRELOC" | ||
482 | end | ||
483 | |||
484 | ------------------------------------------------------------------------ | ||
485 | -- | ||
486 | -- * used in luaK:jumponcond(), luaK:codenot() | ||
487 | ------------------------------------------------------------------------ | ||
488 | function luaK:discharge2anyreg(fs, e) | ||
489 | if e.k ~= "VNONRELOC" then | ||
490 | self:reserveregs(fs, 1) | ||
491 | self:discharge2reg(fs, e, fs.freereg - 1) | ||
492 | end | ||
493 | end | ||
494 | |||
495 | ------------------------------------------------------------------------ | ||
496 | -- | ||
497 | -- * used in luaK:exp2nextreg(), luaK:exp2anyreg(), luaK:storevar() | ||
498 | ------------------------------------------------------------------------ | ||
499 | function luaK:exp2reg(fs, e, reg) | ||
500 | self:discharge2reg(fs, e, reg) | ||
501 | if e.k == "VJMP" then | ||
502 | e.t = self:concat(fs, e.t, e.info) -- put this jump in 't' list | ||
503 | end | ||
504 | if self:hasjumps(e) then | ||
505 | local final -- position after whole expression | ||
506 | local p_f = self.NO_JUMP -- position of an eventual LOAD false | ||
507 | local p_t = self.NO_JUMP -- position of an eventual LOAD true | ||
508 | if self:need_value(fs, e.t, 1) or self:need_value(fs, e.f, 0) then | ||
509 | local fj = self.NO_JUMP -- first jump (over LOAD ops.) | ||
510 | if e.k ~= "VJMP" then | ||
511 | fj = self:jump(fs) | ||
512 | end | ||
513 | p_f = self:code_label(fs, reg, 0, 1) | ||
514 | p_t = self:code_label(fs, reg, 1, 0) | ||
515 | self:patchtohere(fs, fj) | ||
516 | end | ||
517 | final = self:getlabel(fs) | ||
518 | self:patchlistaux(fs, e.f, final, reg, p_f) | ||
519 | self:patchlistaux(fs, e.t, final, reg, p_t) | ||
520 | end | ||
521 | e.f, e.t = self.NO_JUMP, self.NO_JUMP | ||
522 | e.info = reg | ||
523 | e.k = "VNONRELOC" | ||
524 | end | ||
525 | |||
526 | ------------------------------------------------------------------------ | ||
527 | -- | ||
528 | -- * used in multiple locations | ||
529 | ------------------------------------------------------------------------ | ||
530 | function luaK:exp2nextreg(fs, e) | ||
531 | self:dischargevars(fs, e) | ||
532 | self:freeexp(fs, e) | ||
533 | self:reserveregs(fs, 1) | ||
534 | self:exp2reg(fs, e, fs.freereg - 1) | ||
535 | end | ||
536 | |||
537 | ------------------------------------------------------------------------ | ||
538 | -- | ||
539 | -- * used in multiple locations | ||
540 | ------------------------------------------------------------------------ | ||
541 | function luaK:exp2anyreg(fs, e) | ||
542 | self:dischargevars(fs, e) | ||
543 | if e.k == "VNONRELOC" then | ||
544 | if not self:hasjumps(e) then -- exp is already in a register | ||
545 | return e.info | ||
546 | end | ||
547 | if e.info >= fs.nactvar then -- reg. is not a local? | ||
548 | self:exp2reg(fs, e, e.info) -- put value on it | ||
549 | return e.info | ||
550 | end | ||
551 | end | ||
552 | self:exp2nextreg(fs, e) -- default | ||
553 | return e.info | ||
554 | end | ||
555 | |||
556 | ------------------------------------------------------------------------ | ||
557 | -- | ||
558 | -- * used in luaK:exp2RK(), luaK:prefix(), luaK:posfix() | ||
559 | -- * used in (lparser) luaY:index() | ||
560 | ------------------------------------------------------------------------ | ||
561 | function luaK:exp2val(fs, e) | ||
562 | if self:hasjumps(e) then | ||
563 | self:exp2anyreg(fs, e) | ||
564 | else | ||
565 | self:dischargevars(fs, e) | ||
566 | end | ||
567 | end | ||
568 | |||
569 | ------------------------------------------------------------------------ | ||
570 | -- | ||
571 | -- * used in multiple locations | ||
572 | ------------------------------------------------------------------------ | ||
573 | function luaK:exp2RK(fs, e) | ||
574 | self:exp2val(fs, e) | ||
575 | local k = e.k | ||
576 | if k == "VNIL" then | ||
577 | if fs.nk + luaY.MAXSTACK <= luaP.MAXARG_C then -- constant fit in argC? | ||
578 | e.info = self:nil_constant(fs) | ||
579 | e.k = "VK" | ||
580 | return e.info + luaY.MAXSTACK | ||
581 | end | ||
582 | elseif k == "VK" then | ||
583 | if e.info + luaY.MAXSTACK <= luaP.MAXARG_C then -- constant fit in argC? | ||
584 | return e.info + luaY.MAXSTACK | ||
585 | end | ||
586 | end | ||
587 | -- not a constant in the right range: put it in a register | ||
588 | return self:exp2anyreg(fs, e) | ||
589 | end | ||
590 | |||
591 | ------------------------------------------------------------------------ | ||
592 | -- | ||
593 | -- * used in (lparser) luaY:assignment(), luaY:localfunc(), luaY:funcstat() | ||
594 | ------------------------------------------------------------------------ | ||
595 | function luaK:storevar(fs, var, exp) | ||
596 | local k = var.k | ||
597 | if k == "VLOCAL" then | ||
598 | self:freeexp(fs, exp) | ||
599 | self:exp2reg(fs, exp, var.info) | ||
600 | return | ||
601 | elseif k == "VUPVAL" then | ||
602 | local e = self:exp2anyreg(fs, exp) | ||
603 | self:codeABC(fs, "OP_SETUPVAL", e, var.info, 0) | ||
604 | elseif k == "VGLOBAL" then | ||
605 | local e = self:exp2anyreg(fs, exp) | ||
606 | self:codeABx(fs, "OP_SETGLOBAL", e, var.info) | ||
607 | elseif k == "VINDEXED" then | ||
608 | local e = self:exp2RK(fs, exp) | ||
609 | self:codeABC(fs, "OP_SETTABLE", var.info, var.aux, e) | ||
610 | else | ||
611 | lua_assert(0) -- invalid var kind to store | ||
612 | end | ||
613 | self:freeexp(fs, exp) | ||
614 | end | ||
615 | |||
616 | ------------------------------------------------------------------------ | ||
617 | -- | ||
618 | -- * used only in (lparser) luaY:primaryexp() | ||
619 | ------------------------------------------------------------------------ | ||
620 | function luaK:_self(fs, e, key) | ||
621 | self:exp2anyreg(fs, e) | ||
622 | self:freeexp(fs, e) | ||
623 | local func = fs.freereg | ||
624 | self:reserveregs(fs, 2) | ||
625 | self:codeABC(fs, "OP_SELF", func, e.info, self:exp2RK(fs, key)) | ||
626 | self:freeexp(fs, key) | ||
627 | e.info = func | ||
628 | e.k = "VNONRELOC" | ||
629 | end | ||
630 | |||
631 | ------------------------------------------------------------------------ | ||
632 | -- | ||
633 | -- * used in luaK:goiftrue(), luaK:codenot() | ||
634 | ------------------------------------------------------------------------ | ||
635 | function luaK:invertjump(fs, e) | ||
636 | local pc = self:getjumpcontrol(fs, e.info) | ||
637 | lua_assert(luaP:testOpMode(luaP:GET_OPCODE(pc), "OpModeT") and | ||
638 | luaP:GET_OPCODE(pc) ~= "OP_TEST") | ||
639 | luaP:SETARG_A(pc, (luaP:GETARG_A(pc) == 0) and 1 or 0) | ||
640 | end | ||
641 | |||
642 | ------------------------------------------------------------------------ | ||
643 | -- | ||
644 | -- * used in luaK:goiftrue(), luaK:goiffalse() | ||
645 | ------------------------------------------------------------------------ | ||
646 | function luaK:jumponcond(fs, e, cond) | ||
647 | if e.k == "VRELOCABLE" then | ||
648 | local ie = self:getcode(fs, e) | ||
649 | if luaP:GET_OPCODE(ie) == "OP_NOT" then | ||
650 | fs.pc = fs.pc - 1 -- remove previous OP_NOT | ||
651 | return self:condjump(fs, "OP_TEST", luaP:GETARG_B(ie), luaP:GETARG_B(ie), | ||
652 | cond and 0 or 1) | ||
653 | end | ||
654 | -- else go through | ||
655 | end | ||
656 | self:discharge2anyreg(fs, e) | ||
657 | self:freeexp(fs, e) | ||
658 | return self:condjump(fs, "OP_TEST", luaP.NO_REG, e.info, cond and 1 or 0) | ||
659 | end | ||
660 | |||
661 | ------------------------------------------------------------------------ | ||
662 | -- | ||
663 | -- * used in luaK:infix(), (lparser) luaY:cond() | ||
664 | ------------------------------------------------------------------------ | ||
665 | function luaK:goiftrue(fs, e) | ||
666 | local pc -- pc of last jump | ||
667 | self:dischargevars(fs, e) | ||
668 | local k = e.k | ||
669 | if k == "VK" or k == "VTRUE" then | ||
670 | pc = self.NO_JUMP -- always true; do nothing | ||
671 | elseif k == "VFALSE" then | ||
672 | pc = self:jump(fs) -- always jump | ||
673 | elseif k == "VJMP" then | ||
674 | self:invertjump(fs, e) | ||
675 | pc = e.info | ||
676 | else | ||
677 | pc = self:jumponcond(fs, e, false) | ||
678 | end | ||
679 | e.f = self:concat(fs, e.f, pc) -- insert last jump in 'f' list | ||
680 | end | ||
681 | |||
682 | ------------------------------------------------------------------------ | ||
683 | -- | ||
684 | -- * used in luaK:infix(), (lparser) luaY:whilestat() | ||
685 | ------------------------------------------------------------------------ | ||
686 | function luaK:goiffalse(fs, e) | ||
687 | local pc -- pc of last jump | ||
688 | self:dischargevars(fs, e) | ||
689 | local k = e.k | ||
690 | if k == "VNIL" or k == "VFALSE"then | ||
691 | pc = self.NO_JUMP -- always false; do nothing | ||
692 | elseif k == "VTRUE" then | ||
693 | pc = self:jump(fs) -- always jump | ||
694 | elseif k == "VJMP" then | ||
695 | pc = e.info | ||
696 | else | ||
697 | pc = self:jumponcond(fs, e, true) | ||
698 | end | ||
699 | e.t = self:concat(fs, e.t, pc) -- insert last jump in 't' list | ||
700 | end | ||
701 | |||
702 | ------------------------------------------------------------------------ | ||
703 | -- | ||
704 | -- * used only in luaK:prefix() | ||
705 | ------------------------------------------------------------------------ | ||
706 | function luaK:codenot(fs, e) | ||
707 | self:dischargevars(fs, e) | ||
708 | local k = e.k | ||
709 | if k == "VNIL" or k == "VFALSE" then | ||
710 | e.k = "VTRUE" | ||
711 | elseif k == "VK" or k == "VTRUE" then | ||
712 | e.k = "VFALSE" | ||
713 | elseif k == "VJMP" then | ||
714 | self:invertjump(fs, e) | ||
715 | elseif k == "VRELOCABLE" or k == "VNONRELOC" then | ||
716 | self:discharge2anyreg(fs, e) | ||
717 | self:freeexp(fs, e) | ||
718 | e.info = self:codeABC(fs, "OP_NOT", 0, e.info, 0) | ||
719 | e.k = "VRELOCABLE" | ||
720 | else | ||
721 | lua_assert(0) -- cannot happen | ||
722 | end | ||
723 | -- interchange true and false lists | ||
724 | e.f, e.t = e.t, e.f | ||
725 | self:removevalues(fs, e.f) | ||
726 | self:removevalues(fs, e.t) | ||
727 | end | ||
728 | |||
729 | ------------------------------------------------------------------------ | ||
730 | -- | ||
731 | -- * used in (lparser) luaY:field(), luaY:primaryexp() | ||
732 | ------------------------------------------------------------------------ | ||
733 | function luaK:indexed(fs, t, k) | ||
734 | t.aux = self:exp2RK(fs, k) | ||
735 | t.k = "VINDEXED" | ||
736 | end | ||
737 | |||
738 | ------------------------------------------------------------------------ | ||
739 | -- | ||
740 | -- * used only in (lparser) luaY:subexpr() | ||
741 | ------------------------------------------------------------------------ | ||
742 | function luaK:prefix(fs, op, e) | ||
743 | if op == "OPR_MINUS" then | ||
744 | self:exp2val(fs, e) | ||
745 | if e.k == "VK" and self:ttisnumber(fs.f.k[e.info]) then | ||
746 | e.info = self:numberK(fs, -self:nvalue(fs.f.k[e.info])) | ||
747 | else | ||
748 | self:exp2anyreg(fs, e) | ||
749 | self:freeexp(fs, e) | ||
750 | e.info = self:codeABC(fs, "OP_UNM", 0, e.info, 0) | ||
751 | e.k = "VRELOCABLE" | ||
752 | end | ||
753 | else -- op == NOT | ||
754 | self:codenot(fs, e) | ||
755 | end | ||
756 | end | ||
757 | |||
758 | ------------------------------------------------------------------------ | ||
759 | -- | ||
760 | -- * used only in (lparser) luaY:subexpr() | ||
761 | ------------------------------------------------------------------------ | ||
762 | function luaK:infix(fs, op, v) | ||
763 | if op == "OPR_AND" then | ||
764 | self:goiftrue(fs, v) | ||
765 | self:patchtohere(fs, v.t) | ||
766 | v.t = self.NO_JUMP | ||
767 | elseif op == "OPR_OR" then | ||
768 | self:goiffalse(fs, v) | ||
769 | self:patchtohere(fs, v.f) | ||
770 | v.f = self.NO_JUMP | ||
771 | elseif op == "OPR_CONCAT" then | ||
772 | self:exp2nextreg(fs, v) -- operand must be on the 'stack' | ||
773 | else | ||
774 | self:exp2RK(fs, v) | ||
775 | end | ||
776 | end | ||
777 | |||
778 | ------------------------------------------------------------------------ | ||
779 | -- | ||
780 | -- grep "ORDER OPR" if you change these enums | ||
781 | -- * used only in luaK:posfix() | ||
782 | ------------------------------------------------------------------------ | ||
783 | luaK.arith_opc = { -- done as a table lookup instead of a calc | ||
784 | OPR_ADD = "OP_ADD", | ||
785 | OPR_SUB = "OP_SUB", | ||
786 | OPR_MULT = "OP_MUL", | ||
787 | OPR_DIV = "OP_DIV", | ||
788 | OPR_POW = "OP_POW", | ||
789 | } | ||
790 | luaK.test_opc = { -- was ops[] in the codebinop function | ||
791 | OPR_NE = "OP_EQ", | ||
792 | OPR_EQ = "OP_EQ", | ||
793 | OPR_LT = "OP_LT", | ||
794 | OPR_LE = "OP_LE", | ||
795 | OPR_GT = "OP_LT", | ||
796 | OPR_GE = "OP_LE", | ||
797 | } | ||
798 | function luaK:codebinop(fs, res, op, o1, o2) | ||
799 | if self.BinOpr[op] <= self.BinOpr["OPR_POW"] then -- arithmetic operator? | ||
800 | local opc = self.arith_opc[op] -- ORDER OP | ||
801 | res.info = self:codeABC(fs, opc, 0, o1, o2) | ||
802 | res.k = "VRELOCABLE" | ||
803 | else -- test operator | ||
804 | local cond = true | ||
805 | if self.BinOpr[op] >= self.BinOpr["OPR_GT"] then -- '>' or '>='? | ||
806 | -- exchange args and replace by '<' or '<=' | ||
807 | o1, o2 = o2, o1 -- o1 <==> o2 | ||
808 | elseif op == "OPR_NE" then | ||
809 | cond = false | ||
810 | end | ||
811 | res.info = self:condjump(fs, self.test_opc[op], cond and 1 or 0, o1, o2) | ||
812 | res.k = "VJMP" | ||
813 | end | ||
814 | end | ||
815 | |||
816 | ------------------------------------------------------------------------ | ||
817 | -- | ||
818 | -- * used only in (lparser) luaY:subexpr() | ||
819 | ------------------------------------------------------------------------ | ||
820 | function luaK:posfix(fs, op, e1, e2) | ||
821 | if op == "OPR_AND" then | ||
822 | lua_assert(e1.t == self.NO_JUMP) -- list must be closed | ||
823 | self:dischargevars(fs, e2) | ||
824 | e1.f = self:concat(fs, e1.f, e2.f) | ||
825 | e1.k = e2.k; e1.info = e2.info; e1.aux = e2.aux; e1.t = e2.t | ||
826 | elseif op == "OPR_OR" then | ||
827 | lua_assert(e1.f == self.NO_JUMP) -- list must be closed | ||
828 | self:dischargevars(fs, e2) | ||
829 | e1.t = self:concat(fs, e1.t, e2.t) | ||
830 | e1.k = e2.k; e1.info = e2.info; e1.aux = e2.aux; e1.f = e2.f | ||
831 | elseif op == "OPR_CONCAT" then | ||
832 | self:exp2val(fs, e2) | ||
833 | if e2.k == "VRELOCABLE" | ||
834 | and luaP:GET_OPCODE(self:getcode(fs, e2)) == "OP_CONCAT" then | ||
835 | lua_assert(e1.info == luaP:GETARG_B(self:getcode(fs, e2)) - 1) | ||
836 | self:freeexp(fs, e1) | ||
837 | luaP:SETARG_B(self:getcode(fs, e2), e1.info) | ||
838 | e1.k = e2.k; e1.info = e2.info | ||
839 | else | ||
840 | self:exp2nextreg(fs, e2) | ||
841 | self:freeexp(fs, e2) | ||
842 | self:freeexp(fs, e1) | ||
843 | e1.info = self:codeABC(fs, "OP_CONCAT", 0, e1.info, e2.info) | ||
844 | e1.k = "VRELOCABLE" | ||
845 | end | ||
846 | else | ||
847 | local o1 = self:exp2RK(fs, e1) | ||
848 | local o2 = self:exp2RK(fs, e2) | ||
849 | self:freeexp(fs, e2) | ||
850 | self:freeexp(fs, e1) | ||
851 | self:codebinop(fs, e1, op, o1, o2) | ||
852 | end | ||
853 | end | ||
854 | |||
855 | ------------------------------------------------------------------------ | ||
856 | -- adjusts debug information for last instruction written, in order to | ||
857 | -- change the line where item comes into existence | ||
858 | -- * used in (lparser) luaY:funcargs(), luaY:forbody(), luaY:funcstat() | ||
859 | ------------------------------------------------------------------------ | ||
860 | function luaK:fixline(fs, line) | ||
861 | fs.f.lineinfo[fs.pc - 1] = line | ||
862 | end | ||
863 | |||
864 | ------------------------------------------------------------------------ | ||
865 | -- general function to write an instruction into the instruction buffer, | ||
866 | -- sets debug information too | ||
867 | -- * used in luaK:codeABC(), luaK:codeABx() | ||
868 | -- * called directly by (lparser) luaY:whilestat() | ||
869 | ------------------------------------------------------------------------ | ||
870 | function luaK:code(fs, i, line) | ||
871 | local f = fs.f | ||
872 | self:dischargejpc(fs) -- 'pc' will change | ||
873 | -- put new instruction in code array | ||
874 | luaY:growvector(fs.L, f.code, fs.pc, f.sizecode, nil, | ||
875 | luaY.MAX_INT, "code size overflow") | ||
876 | f.code[fs.pc] = i | ||
877 | -- save corresponding line information | ||
878 | luaY:growvector(fs.L, f.lineinfo, fs.pc, f.sizelineinfo, nil, | ||
879 | luaY.MAX_INT, "code size overflow") | ||
880 | f.lineinfo[fs.pc] = line | ||
881 | local pc = fs.pc | ||
882 | fs.pc = fs.pc + 1 | ||
883 | return pc | ||
884 | end | ||
885 | |||
886 | ------------------------------------------------------------------------ | ||
887 | -- writes an instruction of type ABC | ||
888 | -- * calls luaK:code() | ||
889 | ------------------------------------------------------------------------ | ||
890 | function luaK:codeABC(fs, o, a, b, c) | ||
891 | lua_assert(luaP:getOpMode(o) == "iABC") | ||
892 | return self:code(fs, luaP:CREATE_ABC(o, a, b, c), fs.ls.lastline) | ||
893 | end | ||
894 | |||
895 | ------------------------------------------------------------------------ | ||
896 | -- writes an instruction of type ABx | ||
897 | -- * calls luaK:code(), called by luaK:codeAsBx() | ||
898 | ------------------------------------------------------------------------ | ||
899 | function luaK:codeABx(fs, o, a, bc) | ||
900 | lua_assert(luaP:getOpMode(o) == "iABx" or luaP:getOpMode(o) == "iAsBx") | ||
901 | return self:code(fs, luaP:CREATE_ABx(o, a, bc), fs.ls.lastline) | ||
902 | end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua deleted file mode 100644 index 1b3c608..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/ldump.lua +++ /dev/null | |||
@@ -1,362 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | ldump.lua | ||
4 | Save bytecodes in Lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * LUA_NUMBER (double), byte order (little endian) and some other | ||
18 | -- header values hard-coded; see other notes below... | ||
19 | -- * One significant difference is that instructions are still in table | ||
20 | -- form (with OP/A/B/C/Bx fields) and luaP:Instruction() is needed to | ||
21 | -- convert them into 4-char strings | ||
22 | -- * Deleted: | ||
23 | -- luaU:DumpVector: folded into DumpLines, DumpCode | ||
24 | -- * Added: | ||
25 | -- luaU:endianness() (from lundump.c) | ||
26 | -- luaU:make_setS: create a chunk writer that writes to a string | ||
27 | -- luaU:make_setF: create a chunk writer that writes to a file | ||
28 | -- (lua.h contains a typedef for a Chunkwriter pointer, and | ||
29 | -- a Lua-based implementation exists, writer() in lstrlib.c) | ||
30 | -- luaU:from_double(x): encode double value for writing | ||
31 | -- luaU:from_int(x): encode integer value for writing | ||
32 | -- (error checking is limited for these conversion functions) | ||
33 | -- (double conversion does not support denormals or NaNs) | ||
34 | -- luaU:ttype(o) (from lobject.h) | ||
35 | ----------------------------------------------------------------------]] | ||
36 | |||
37 | --requires luaP | ||
38 | luaU = {} | ||
39 | |||
40 | -- constants used by dumper | ||
41 | luaU.LUA_TNUMBER = 3 -- (all in lua.h) | ||
42 | luaU.LUA_TSTRING = 4 | ||
43 | luaU.LUA_TNIL = 0 | ||
44 | luaU.LUA_TNONE = -1 | ||
45 | |||
46 | -- definitions for headers of binary files | ||
47 | luaU.LUA_SIGNATURE = "\27Lua" -- binary files start with "<esc>Lua" | ||
48 | luaU.VERSION = 80 -- 0x50; last format change was in 5.0 | ||
49 | luaU.VERSION0 = 80 -- 0x50; last major change was in 5.0 | ||
50 | |||
51 | -- a multiple of PI for testing native format | ||
52 | -- multiplying by 1E7 gives non-trivial integer values | ||
53 | luaU.TEST_NUMBER = 3.14159265358979323846E7 | ||
54 | |||
55 | --[[-------------------------------------------------------------------- | ||
56 | -- Additional functions to handle chunk writing | ||
57 | -- * to use make_setS and make_setF, see test_ldump.lua elsewhere | ||
58 | ----------------------------------------------------------------------]] | ||
59 | |||
60 | ------------------------------------------------------------------------ | ||
61 | -- works like the lobject.h version except that TObject used in these | ||
62 | -- scripts only has a 'value' field, no 'tt' field (native types used) | ||
63 | ------------------------------------------------------------------------ | ||
64 | function luaU:ttype(o) | ||
65 | local tt = type(o.value) | ||
66 | if tt == "number" then return self.LUA_TNUMBER | ||
67 | elseif tt == "string" then return self.LUA_TSTRING | ||
68 | elseif tt == "nil" then return self.LUA_TNIL | ||
69 | else | ||
70 | return self.LUA_TNONE -- the rest should not appear | ||
71 | end | ||
72 | end | ||
73 | |||
74 | ------------------------------------------------------------------------ | ||
75 | -- create a chunk writer that writes to a string | ||
76 | -- * returns the writer function and a table containing the string | ||
77 | -- * to get the final result, look in buff.data | ||
78 | ------------------------------------------------------------------------ | ||
79 | function luaU:make_setS() | ||
80 | local buff = {} | ||
81 | buff.data = "" | ||
82 | local writer = | ||
83 | function(s, buff) -- chunk writer | ||
84 | if not s then return end | ||
85 | buff.data = buff.data..s | ||
86 | end | ||
87 | return writer, buff | ||
88 | end | ||
89 | |||
90 | ------------------------------------------------------------------------ | ||
91 | -- create a chunk writer that writes to a file | ||
92 | -- * returns the writer function and a table containing the file handle | ||
93 | -- * if a nil is passed, then writer should close the open file | ||
94 | ------------------------------------------------------------------------ | ||
95 | function luaU:make_setF(filename) | ||
96 | local buff = {} | ||
97 | buff.h = io.open(filename, "wb") | ||
98 | if not buff.h then return nil end | ||
99 | local writer = | ||
100 | function(s, buff) -- chunk writer | ||
101 | if not buff.h then return end | ||
102 | if not s then buff.h:close(); return end | ||
103 | buff.h:write(s) | ||
104 | end | ||
105 | return writer, buff | ||
106 | end | ||
107 | |||
108 | ----------------------------------------------------------------------- | ||
109 | -- converts a IEEE754 double number to an 8-byte little-endian string | ||
110 | -- * luaU:from_double() and luaU:from_int() are from ChunkBake project | ||
111 | -- * supports +/- Infinity, but not denormals or NaNs | ||
112 | ----------------------------------------------------------------------- | ||
113 | function luaU:from_double(x) | ||
114 | local function grab_byte(v) | ||
115 | return math.floor(v / 256), | ||
116 | string.char(math.mod(math.floor(v), 256)) | ||
117 | end | ||
118 | local sign = 0 | ||
119 | if x < 0 then sign = 1; x = -x end | ||
120 | local mantissa, exponent = math.frexp(x) | ||
121 | if x == 0 then -- zero | ||
122 | mantissa, exponent = 0, 0 | ||
123 | elseif x == 1/0 then | ||
124 | mantissa, exponent = 0, 2047 | ||
125 | else | ||
126 | mantissa = (mantissa * 2 - 1) * math.ldexp(0.5, 53) | ||
127 | exponent = exponent + 1022 | ||
128 | end | ||
129 | local v, byte = "" -- convert to bytes | ||
130 | x = mantissa | ||
131 | for i = 1,6 do | ||
132 | x, byte = grab_byte(x); v = v..byte -- 47:0 | ||
133 | end | ||
134 | x, byte = grab_byte(exponent * 16 + x); v = v..byte -- 55:48 | ||
135 | x, byte = grab_byte(sign * 128 + x); v = v..byte -- 63:56 | ||
136 | return v | ||
137 | end | ||
138 | |||
139 | ----------------------------------------------------------------------- | ||
140 | -- converts a number to a little-endian 32-bit integer string | ||
141 | -- * input value assumed to not overflow, can be signed/unsigned | ||
142 | ----------------------------------------------------------------------- | ||
143 | function luaU:from_int(x) | ||
144 | local v = "" | ||
145 | x = math.floor(x) | ||
146 | if x >= 0 then | ||
147 | for i = 1, 4 do | ||
148 | v = v..string.char(math.mod(x, 256)); x = math.floor(x / 256) | ||
149 | end | ||
150 | else-- x < 0 | ||
151 | x = -x | ||
152 | local carry = 1 | ||
153 | for i = 1, 4 do | ||
154 | local c = 255 - math.mod(x, 256) + carry | ||
155 | if c == 256 then c = 0; carry = 1 else carry = 0 end | ||
156 | v = v..string.char(c); x = math.floor(x / 256) | ||
157 | end | ||
158 | end | ||
159 | return v | ||
160 | end | ||
161 | |||
162 | --[[-------------------------------------------------------------------- | ||
163 | -- Functions to make a binary chunk | ||
164 | -- * many functions have the size parameter removed, since output is | ||
165 | -- in the form of a string and some sizes are implicit or hard-coded | ||
166 | -- * luaU:DumpVector has been deleted (used in DumpCode & DumpLines) | ||
167 | ----------------------------------------------------------------------]] | ||
168 | |||
169 | ------------------------------------------------------------------------ | ||
170 | -- dump a block of literal bytes | ||
171 | ------------------------------------------------------------------------ | ||
172 | function luaU:DumpLiteral(s, D) self:DumpBlock(s, D) end | ||
173 | |||
174 | --[[-------------------------------------------------------------------- | ||
175 | -- struct DumpState: | ||
176 | -- L -- lua_State (not used in this script) | ||
177 | -- write -- lua_Chunkwriter (chunk writer function) | ||
178 | -- data -- void* (chunk writer context or data already written) | ||
179 | ----------------------------------------------------------------------]] | ||
180 | |||
181 | ------------------------------------------------------------------------ | ||
182 | -- dumps a block of bytes | ||
183 | -- * lua_unlock(D.L), lua_lock(D.L) deleted | ||
184 | ------------------------------------------------------------------------ | ||
185 | function luaU:DumpBlock(b, D) D.write(b, D.data) end | ||
186 | |||
187 | ------------------------------------------------------------------------ | ||
188 | -- dumps a single byte | ||
189 | ------------------------------------------------------------------------ | ||
190 | function luaU:DumpByte(y, D) | ||
191 | self:DumpBlock(string.char(y), D) | ||
192 | end | ||
193 | |||
194 | ------------------------------------------------------------------------ | ||
195 | -- dumps a 32-bit signed integer (for int) | ||
196 | ------------------------------------------------------------------------ | ||
197 | function luaU:DumpInt(x, D) | ||
198 | self:DumpBlock(self:from_int(x), D) | ||
199 | end | ||
200 | |||
201 | ------------------------------------------------------------------------ | ||
202 | -- dumps a 32-bit unsigned integer (for size_t) | ||
203 | ------------------------------------------------------------------------ | ||
204 | function luaU:DumpSize(x, D) | ||
205 | self:DumpBlock(self:from_int(x), D) | ||
206 | end | ||
207 | |||
208 | ------------------------------------------------------------------------ | ||
209 | -- dumps a LUA_NUMBER (hard-coded as a double) | ||
210 | ------------------------------------------------------------------------ | ||
211 | function luaU:DumpNumber(x, D) | ||
212 | self:DumpBlock(self:from_double(x), D) | ||
213 | end | ||
214 | |||
215 | ------------------------------------------------------------------------ | ||
216 | -- dumps a Lua string | ||
217 | ------------------------------------------------------------------------ | ||
218 | function luaU:DumpString(s, D) | ||
219 | if s == nil then | ||
220 | self:DumpSize(0, D) | ||
221 | else | ||
222 | s = s.."\0" -- include trailing '\0' | ||
223 | self:DumpSize(string.len(s), D) | ||
224 | self:DumpBlock(s, D) | ||
225 | end | ||
226 | end | ||
227 | |||
228 | ------------------------------------------------------------------------ | ||
229 | -- dumps instruction block from function prototype | ||
230 | ------------------------------------------------------------------------ | ||
231 | function luaU:DumpCode(f, D) | ||
232 | local n = f.sizecode | ||
233 | self:DumpInt(n, D) | ||
234 | --was DumpVector | ||
235 | for i = 0, n - 1 do | ||
236 | self:DumpBlock(luaP:Instruction(f.code[i]), D) | ||
237 | end | ||
238 | end | ||
239 | |||
240 | ------------------------------------------------------------------------ | ||
241 | -- dumps local variable names from function prototype | ||
242 | ------------------------------------------------------------------------ | ||
243 | function luaU:DumpLocals(f, D) | ||
244 | local n = f.sizelocvars | ||
245 | self:DumpInt(n, D) | ||
246 | for i = 0, n - 1 do | ||
247 | self:DumpString(f.locvars[i].varname, D) | ||
248 | self:DumpInt(f.locvars[i].startpc, D) | ||
249 | self:DumpInt(f.locvars[i].endpc, D) | ||
250 | end | ||
251 | end | ||
252 | |||
253 | ------------------------------------------------------------------------ | ||
254 | -- dumps line information from function prototype | ||
255 | ------------------------------------------------------------------------ | ||
256 | function luaU:DumpLines(f, D) | ||
257 | local n = f.sizelineinfo | ||
258 | self:DumpInt(n, D) | ||
259 | --was DumpVector | ||
260 | for i = 0, n - 1 do | ||
261 | self:DumpInt(f.lineinfo[i], D) -- was DumpBlock | ||
262 | end | ||
263 | end | ||
264 | |||
265 | ------------------------------------------------------------------------ | ||
266 | -- dump upvalue names from function prototype | ||
267 | ------------------------------------------------------------------------ | ||
268 | function luaU:DumpUpvalues(f, D) | ||
269 | local n = f.sizeupvalues | ||
270 | self:DumpInt(n, D) | ||
271 | for i = 0, n - 1 do | ||
272 | self:DumpString(f.upvalues[i], D) | ||
273 | end | ||
274 | end | ||
275 | |||
276 | ------------------------------------------------------------------------ | ||
277 | -- dump constant pool from function prototype | ||
278 | -- * nvalue(o) and tsvalue(o) macros removed | ||
279 | ------------------------------------------------------------------------ | ||
280 | function luaU:DumpConstants(f, D) | ||
281 | local n = f.sizek | ||
282 | self:DumpInt(n, D) | ||
283 | for i = 0, n - 1 do | ||
284 | local o = f.k[i] -- TObject | ||
285 | local tt = self:ttype(o) | ||
286 | self:DumpByte(tt, D) | ||
287 | if tt == self.LUA_TNUMBER then | ||
288 | self:DumpNumber(o.value, D) | ||
289 | elseif tt == self.LUA_TSTRING then | ||
290 | self:DumpString(o.value, D) | ||
291 | elseif tt == self.LUA_TNIL then | ||
292 | else | ||
293 | --lua_assert(0) -- cannot happen | ||
294 | end | ||
295 | end | ||
296 | n = f.sizep | ||
297 | self:DumpInt(n, D) | ||
298 | for i = 0, n - 1 do | ||
299 | self:DumpFunction(f.p[i], f.source, D) | ||
300 | end | ||
301 | end | ||
302 | |||
303 | ------------------------------------------------------------------------ | ||
304 | -- dump child function prototypes from function prototype | ||
305 | ------------------------------------------------------------------------ | ||
306 | function luaU:DumpFunction(f, p, D) | ||
307 | local source = f.source | ||
308 | if source == p then source = nil end | ||
309 | self:DumpString(source, D) | ||
310 | self:DumpInt(f.lineDefined, D) | ||
311 | self:DumpByte(f.nups, D) | ||
312 | self:DumpByte(f.numparams, D) | ||
313 | self:DumpByte(f.is_vararg, D) | ||
314 | self:DumpByte(f.maxstacksize, D) | ||
315 | self:DumpLines(f, D) | ||
316 | self:DumpLocals(f, D) | ||
317 | self:DumpUpvalues(f, D) | ||
318 | self:DumpConstants(f, D) | ||
319 | self:DumpCode(f, D) | ||
320 | end | ||
321 | |||
322 | ------------------------------------------------------------------------ | ||
323 | -- dump Lua header section (some sizes hard-coded) | ||
324 | ------------------------------------------------------------------------ | ||
325 | function luaU:DumpHeader(D) | ||
326 | self:DumpLiteral(self.LUA_SIGNATURE, D) | ||
327 | self:DumpByte(self.VERSION, D) | ||
328 | self:DumpByte(self:endianness(), D) | ||
329 | self:DumpByte(4, D) -- sizeof(int) | ||
330 | self:DumpByte(4, D) -- sizeof(size_t) | ||
331 | self:DumpByte(4, D) -- sizeof(Instruction) | ||
332 | self:DumpByte(luaP.SIZE_OP, D) | ||
333 | self:DumpByte(luaP.SIZE_A, D) | ||
334 | self:DumpByte(luaP.SIZE_B, D) | ||
335 | self:DumpByte(luaP.SIZE_C, D) | ||
336 | self:DumpByte(8, D) -- sizeof(lua_Number) | ||
337 | self:DumpNumber(self.TEST_NUMBER, D) | ||
338 | end | ||
339 | |||
340 | ------------------------------------------------------------------------ | ||
341 | -- dump function as precompiled chunk | ||
342 | -- * w, data are created from make_setS, make_setF | ||
343 | ------------------------------------------------------------------------ | ||
344 | function luaU:dump(L, Main, w, data) | ||
345 | local D = {} -- DumpState | ||
346 | D.L = L | ||
347 | D.write = w | ||
348 | D.data = data | ||
349 | self:DumpHeader(D) | ||
350 | self:DumpFunction(Main, nil, D) | ||
351 | -- added: for a chunk writer writing to a file, this final call with | ||
352 | -- nil data is to indicate to the writer to close the file | ||
353 | D.write(nil, D.data) | ||
354 | end | ||
355 | |||
356 | ------------------------------------------------------------------------ | ||
357 | -- find byte order (from lundump.c) | ||
358 | -- * hard-coded to little-endian | ||
359 | ------------------------------------------------------------------------ | ||
360 | function luaU:endianness() | ||
361 | return 1 | ||
362 | end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/llex.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/llex.lua deleted file mode 100644 index 077f1aa..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/llex.lua +++ /dev/null | |||
@@ -1,531 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | llex.lua | ||
4 | Lua 5 lexical analyzer in Lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * intended to 'imitate' llex.c code; performance is not a concern | ||
18 | -- * tokens are strings; code structure largely retained | ||
19 | -- * deleted stuff (compared to llex.c) are noted, comments retained | ||
20 | -- * Added: | ||
21 | -- luaX:chunkid (from lobject.c) | ||
22 | -- * To use the lexer: | ||
23 | -- (1) luaX:init() to initialize the lexer | ||
24 | -- (2) luaX:setinput() to set the input stream to lex, get LS | ||
25 | -- (3) call luaX:lex() to get tokens, until "TK_EOS": | ||
26 | -- LS.t.token = luaX:lex(LS, LS.t) | ||
27 | -- * since EOZ is returned as a string, be careful when regexp testing | ||
28 | ----------------------------------------------------------------------]] | ||
29 | |||
30 | luaX = {} | ||
31 | |||
32 | -- FIRST_RESERVED is not required as tokens are manipulated as strings | ||
33 | -- TOKEN_LEN deleted; maximum length of a reserved word | ||
34 | |||
35 | ------------------------------------------------------------------------ | ||
36 | -- "ORDER RESERVED" deleted; enumeration in one place: luaX.RESERVED | ||
37 | ------------------------------------------------------------------------ | ||
38 | |||
39 | -- terminal symbols denoted by reserved words: TK_AND to TK_WHILE | ||
40 | -- other terminal symbols: TK_NAME to TK_EOS | ||
41 | luaX.RESERVED = [[ | ||
42 | TK_AND and | ||
43 | TK_BREAK break | ||
44 | TK_DO do | ||
45 | TK_ELSE else | ||
46 | TK_ELSEIF elseif | ||
47 | TK_END end | ||
48 | TK_FALSE false | ||
49 | TK_FOR for | ||
50 | TK_FUNCTION function | ||
51 | TK_IF if | ||
52 | TK_IN in | ||
53 | TK_LOCAL local | ||
54 | TK_NIL nil | ||
55 | TK_NOT not | ||
56 | TK_OR or | ||
57 | TK_REPEAT repeat | ||
58 | TK_RETURN return | ||
59 | TK_THEN then | ||
60 | TK_TRUE true | ||
61 | TK_UNTIL until | ||
62 | TK_WHILE while | ||
63 | TK_NAME *name | ||
64 | TK_CONCAT .. | ||
65 | TK_DOTS ... | ||
66 | TK_EQ == | ||
67 | TK_GE >= | ||
68 | TK_LE <= | ||
69 | TK_NE ~= | ||
70 | TK_NUMBER *number | ||
71 | TK_STRING *string | ||
72 | TK_EOS <eof>]] | ||
73 | |||
74 | -- NUM_RESERVED is not required; number of reserved words | ||
75 | |||
76 | --[[-------------------------------------------------------------------- | ||
77 | -- Instead of passing seminfo, the Token struct (e.g. LS.t) is passed | ||
78 | -- so that lexer functions can use its table element, LS.t.seminfo | ||
79 | -- | ||
80 | -- Token (struct of LS.t and LS.lookahead): | ||
81 | -- token -- token symbol | ||
82 | -- seminfo -- semantics information | ||
83 | -- | ||
84 | -- LexState (struct of LS; LS is initialized by luaX:setinput): | ||
85 | -- current -- current character | ||
86 | -- linenumber -- input line counter | ||
87 | -- lastline -- line of last token 'consumed' | ||
88 | -- t -- current token (table: struct Token) | ||
89 | -- lookahead -- look ahead token (table: struct Token) | ||
90 | -- fs -- 'FuncState' is private to the parser | ||
91 | -- L -- LuaState | ||
92 | -- z -- input stream | ||
93 | -- buff -- buffer for tokens | ||
94 | -- source -- current source name | ||
95 | -- nestlevel -- level of nested non-terminals | ||
96 | ----------------------------------------------------------------------]] | ||
97 | |||
98 | -- token2string is now a hash; see luaX:init | ||
99 | |||
100 | ------------------------------------------------------------------------ | ||
101 | -- initialize lexer | ||
102 | ------------------------------------------------------------------------ | ||
103 | function luaX:init() | ||
104 | self.token2string = {} | ||
105 | self.string2token = {} | ||
106 | for v in string.gfind(self.RESERVED, "[^\n]+") do | ||
107 | local _, _, tok, str = string.find(v, "(%S+)%s+(%S+)") | ||
108 | self.token2string[tok] = str | ||
109 | self.string2token[str] = tok | ||
110 | end | ||
111 | end | ||
112 | |||
113 | luaX.MAXSRC = 80 | ||
114 | |||
115 | ------------------------------------------------------------------------ | ||
116 | -- returns a suitably-formatted chunk name or id | ||
117 | -- * from lobject.c, used in llex.c and ldebug.c | ||
118 | -- * the result, out, is returned (was first argument) | ||
119 | ------------------------------------------------------------------------ | ||
120 | function luaX:chunkid(source, bufflen) | ||
121 | local out | ||
122 | local first = string.sub(source, 1, 1) | ||
123 | if first == "=" then | ||
124 | out = string.sub(source, 2, bufflen) -- remove first char | ||
125 | else -- out = "source", or "...source" | ||
126 | if first == "@" then | ||
127 | source = string.sub(source, 2) -- skip the '@' | ||
128 | bufflen = bufflen - string.len(" `...' ") | ||
129 | local l = string.len(source) | ||
130 | out = "" | ||
131 | if l > bufflen then | ||
132 | source = string.sub(source, 1 + l - bufflen) -- get last part of file name | ||
133 | out = out.."..." | ||
134 | end | ||
135 | out = out..source | ||
136 | else -- out = [string "string"] | ||
137 | local len = string.find(source, "\n", 1, 1) -- stop at first newline | ||
138 | len = len and (len - 1) or string.len(source) | ||
139 | bufflen = bufflen - string.len(" [string \"...\"] ") | ||
140 | if len > bufflen then len = bufflen end | ||
141 | out = "[string \"" | ||
142 | if len < string.len(source) then -- must truncate? | ||
143 | out = out..string.sub(source, 1, len).."..." | ||
144 | else | ||
145 | out = out..source | ||
146 | end | ||
147 | out = out.."\"]" | ||
148 | end | ||
149 | end | ||
150 | return out | ||
151 | end | ||
152 | |||
153 | --[[-------------------------------------------------------------------- | ||
154 | -- Support functions for lexer | ||
155 | -- * all lexer errors eventually reaches errorline: | ||
156 | checklimit -> syntaxerror -> error -> errorline | ||
157 | lexerror -> error -> errorline | ||
158 | ----------------------------------------------------------------------]] | ||
159 | |||
160 | ------------------------------------------------------------------------ | ||
161 | -- limit check, syntax error if fails (also called by parser) | ||
162 | ------------------------------------------------------------------------ | ||
163 | function luaX:checklimit(ls, val, limit, msg) | ||
164 | if val > limit then | ||
165 | msg = string.format("too many %s (limit=%d)", msg, limit) | ||
166 | self:syntaxerror(ls, msg) | ||
167 | end | ||
168 | end | ||
169 | |||
170 | ------------------------------------------------------------------------ | ||
171 | -- formats error message and throws error (also called by parser) | ||
172 | ------------------------------------------------------------------------ | ||
173 | function luaX:errorline(ls, s, token, line) | ||
174 | local buff = self:chunkid(ls.source, self.MAXSRC) | ||
175 | error(string.format("%s:%d: %s near `%s'", buff, line, s, token)) | ||
176 | end | ||
177 | |||
178 | ------------------------------------------------------------------------ | ||
179 | -- throws an error, adds line number | ||
180 | ------------------------------------------------------------------------ | ||
181 | function luaX:error(ls, s, token) | ||
182 | self:errorline(ls, s, token, ls.linenumber) | ||
183 | end | ||
184 | |||
185 | ------------------------------------------------------------------------ | ||
186 | -- throws a syntax error (mainly called by parser) | ||
187 | -- * ls.t.token has to be set by the function calling luaX:lex | ||
188 | -- (see next() and lookahead() in lparser.c) | ||
189 | ------------------------------------------------------------------------ | ||
190 | function luaX:syntaxerror(ls, msg) | ||
191 | local lasttoken | ||
192 | local tok = ls.t.token | ||
193 | if tok == "TK_NAME" then | ||
194 | lasttoken = ls.t.seminfo | ||
195 | elseif tok == "TK_STRING" or tok == "TK_NUMBER" then | ||
196 | lasttoken = ls.buff | ||
197 | else | ||
198 | lasttoken = self:token2str(ls.t.token) | ||
199 | end | ||
200 | self:error(ls, msg, lasttoken) | ||
201 | end | ||
202 | |||
203 | ------------------------------------------------------------------------ | ||
204 | -- look up token and return keyword if found (also called by parser) | ||
205 | ------------------------------------------------------------------------ | ||
206 | function luaX:token2str(ls, token) | ||
207 | if string.sub(token, 1, 3) ~= "TK_" then | ||
208 | return token | ||
209 | else | ||
210 | --lua_assert(string.len(token) == 1) | ||
211 | return self.token2string[token] | ||
212 | end | ||
213 | end | ||
214 | |||
215 | ------------------------------------------------------------------------ | ||
216 | -- throws a lexer error | ||
217 | ------------------------------------------------------------------------ | ||
218 | function luaX:lexerror(ls, s, token) | ||
219 | if token == "TK_EOS" then | ||
220 | self:error(ls, s, self:token2str(ls, token)) | ||
221 | else | ||
222 | self:error(ls, s, ls.buff) | ||
223 | end | ||
224 | end | ||
225 | |||
226 | ------------------------------------------------------------------------ | ||
227 | -- move on to next line | ||
228 | ------------------------------------------------------------------------ | ||
229 | function luaX:inclinenumber(LS) | ||
230 | self:next(LS) -- skip '\n' | ||
231 | LS.linenumber = LS.linenumber + 1 | ||
232 | self:checklimit(LS, LS.linenumber, self.MAX_INT, "lines in a chunk") | ||
233 | end | ||
234 | |||
235 | luaX.MAX_INT = 2147483645 -- INT_MAX-2 for 32-bit systems (llimits.h) | ||
236 | |||
237 | ------------------------------------------------------------------------ | ||
238 | -- initializes an input stream for lexing | ||
239 | -- * if LS (the lexer state) is passed as a table, then it is filled in, | ||
240 | -- otherwise it has to be retrieved as a return value | ||
241 | ------------------------------------------------------------------------ | ||
242 | function luaX:setinput(L, LS, z, source) | ||
243 | if not LS then LS = {} end -- create struct | ||
244 | if not LS.lookahead then LS.lookahead = {} end | ||
245 | if not LS.t then LS.t = {} end | ||
246 | LS.L = L | ||
247 | LS.lookahead.token = "TK_EOS" -- no look-ahead token | ||
248 | LS.z = z | ||
249 | LS.fs = nil | ||
250 | LS.linenumber = 1 | ||
251 | LS.lastline = 1 | ||
252 | LS.source = source | ||
253 | self:next(LS) -- read first char | ||
254 | if LS.current == "#" then | ||
255 | repeat -- skip first line | ||
256 | self:next(LS) | ||
257 | until LS.current == "\n" or LS.current == "EOZ" | ||
258 | end | ||
259 | return LS | ||
260 | end | ||
261 | |||
262 | --[[-------------------------------------------------------------------- | ||
263 | -- LEXICAL ANALYZER | ||
264 | ----------------------------------------------------------------------]] | ||
265 | |||
266 | -- NOTE the following buffer handling stuff are no longer required: | ||
267 | -- use buffer to store names, literal strings and numbers | ||
268 | -- EXTRABUFF deleted; extra space to allocate when growing buffer | ||
269 | -- MAXNOCHECK deleted; maximum number of chars that can be read without checking buffer size | ||
270 | -- checkbuffer(LS, len) deleted | ||
271 | |||
272 | ------------------------------------------------------------------------ | ||
273 | -- gets the next character and returns it | ||
274 | ------------------------------------------------------------------------ | ||
275 | function luaX:next(LS) | ||
276 | local c = luaZ:zgetc(LS.z) | ||
277 | LS.current = c | ||
278 | return c | ||
279 | end | ||
280 | |||
281 | ------------------------------------------------------------------------ | ||
282 | -- saves the given character into the token buffer | ||
283 | ------------------------------------------------------------------------ | ||
284 | function luaX:save(LS, c) | ||
285 | LS.buff = LS.buff..c | ||
286 | end | ||
287 | |||
288 | ------------------------------------------------------------------------ | ||
289 | -- save current character into token buffer, grabs next character | ||
290 | ------------------------------------------------------------------------ | ||
291 | function luaX:save_and_next(LS) | ||
292 | self:save(LS, LS.current) | ||
293 | return self:next(LS) | ||
294 | end | ||
295 | |||
296 | ------------------------------------------------------------------------ | ||
297 | -- reads a name | ||
298 | -- * originally returns the string length | ||
299 | ------------------------------------------------------------------------ | ||
300 | function luaX:readname(LS) | ||
301 | LS.buff = "" | ||
302 | repeat | ||
303 | self:save_and_next(LS) | ||
304 | until LS.current == "EOZ" or not string.find(LS.current, "[_%w]") | ||
305 | return LS.buff | ||
306 | end | ||
307 | |||
308 | ------------------------------------------------------------------------ | ||
309 | -- reads a number (LUA_NUMBER) | ||
310 | ------------------------------------------------------------------------ | ||
311 | function luaX:read_numeral(LS, comma, Token) | ||
312 | LS.buff = "" | ||
313 | if comma then self:save(LS, '.') end | ||
314 | while string.find(LS.current, "%d") do | ||
315 | self:save_and_next(LS) | ||
316 | end | ||
317 | if LS.current == "." then | ||
318 | self:save_and_next(LS) | ||
319 | if LS.current == "." then | ||
320 | self:save_and_next(LS) | ||
321 | self:lexerror(LS, | ||
322 | "ambiguous syntax (decimal point x string concatenation)", | ||
323 | "TK_NUMBER") | ||
324 | end | ||
325 | end | ||
326 | while string.find(LS.current, "%d") do | ||
327 | self:save_and_next(LS) | ||
328 | end | ||
329 | if LS.current == "e" or LS.current == "E" then | ||
330 | self:save_and_next(LS) -- read 'E' | ||
331 | if LS.current == "+" or LS.current == "-" then | ||
332 | self:save_and_next(LS) -- optional exponent sign | ||
333 | end | ||
334 | while string.find(LS.current, "%d") do | ||
335 | self:save_and_next(LS) | ||
336 | end | ||
337 | end | ||
338 | local seminfo = tonumber(LS.buff) | ||
339 | if not seminfo then | ||
340 | self:lexerror(LS, "malformed number", "TK_NUMBER") | ||
341 | end | ||
342 | Token.seminfo = seminfo | ||
343 | end | ||
344 | |||
345 | ------------------------------------------------------------------------ | ||
346 | -- reads a long string or long comment | ||
347 | ------------------------------------------------------------------------ | ||
348 | function luaX:read_long_string(LS, Token) | ||
349 | local cont = 0 | ||
350 | LS.buff = "" | ||
351 | self:save(LS, "[") -- save first '[' | ||
352 | self:save_and_next(LS) -- pass the second '[' | ||
353 | if LS.current == "\n" then -- string starts with a newline? | ||
354 | self:inclinenumber(LS) -- skip it | ||
355 | end | ||
356 | while true do | ||
357 | local c = LS.current | ||
358 | if c == "EOZ" then | ||
359 | self:lexerror(LS, Token and "unfinished long string" or | ||
360 | "unfinished long comment", "TK_EOS") | ||
361 | elseif c == "[" then | ||
362 | self:save_and_next(LS) | ||
363 | if LS.current == "[" then | ||
364 | cont = cont + 1 | ||
365 | self:save_and_next(LS) | ||
366 | end | ||
367 | elseif c == "]" then | ||
368 | self:save_and_next(LS) | ||
369 | if LS.current == "]" then | ||
370 | if cont == 0 then break end | ||
371 | cont = cont - 1 | ||
372 | self:save_and_next(LS) | ||
373 | end | ||
374 | elseif c == "\n" then | ||
375 | self:save(LS, "\n") | ||
376 | self:inclinenumber(LS) | ||
377 | if not Token then LS.buff = "" end -- reset buffer to avoid wasting space | ||
378 | else | ||
379 | self:save_and_next(LS) | ||
380 | end--if c | ||
381 | end--while | ||
382 | self:save_and_next(LS) -- skip the second ']' | ||
383 | if Token then | ||
384 | Token.seminfo = string.sub(LS.buff, 3, -3) | ||
385 | end | ||
386 | end | ||
387 | |||
388 | ------------------------------------------------------------------------ | ||
389 | -- reads a string | ||
390 | ------------------------------------------------------------------------ | ||
391 | function luaX:read_string(LS, del, Token) | ||
392 | LS.buff = "" | ||
393 | self:save_and_next(LS) | ||
394 | while LS.current ~= del do | ||
395 | local c = LS.current | ||
396 | if c == "EOZ" then | ||
397 | self:lexerror(LS, "unfinished string", "TK_EOS") | ||
398 | elseif c == "\n" then | ||
399 | self:lexerror(LS, "unfinished string", "TK_STRING") | ||
400 | elseif c == "\\" then | ||
401 | c = self:next(LS) -- do not save the '\' | ||
402 | if c ~= "EOZ" then -- will raise an error next loop | ||
403 | -- escapes handling greatly simplified here: | ||
404 | local i = string.find("abfnrtv\n", c, 1, 1) | ||
405 | if i then | ||
406 | self:save(LS, string.sub("\a\b\f\n\r\t\v\n", i, i)) | ||
407 | if i == 8 then self:inclinenumber(LS) else self:next(LS) end | ||
408 | elseif not string.find(c, "%d") then | ||
409 | self:save_and_next(LS) -- handles \\, \", \', and \? | ||
410 | else -- \xxx | ||
411 | c, i = 0, 0 | ||
412 | repeat | ||
413 | c = 10 * c + LS.current | ||
414 | self:next(LS) | ||
415 | i = i + 1 | ||
416 | until i >= 3 or not string.find(LS.current, "%d") | ||
417 | if c > 255 then -- UCHAR_MAX | ||
418 | self:lexerror(LS, "escape sequence too large", "TK_STRING") | ||
419 | end | ||
420 | self:save(LS, string.char(c)) | ||
421 | end | ||
422 | end | ||
423 | else | ||
424 | self:save_and_next(LS) | ||
425 | end--if c | ||
426 | end--while | ||
427 | self:save_and_next(LS) -- skip delimiter | ||
428 | Token.seminfo = string.sub(LS.buff, 2, -2) | ||
429 | end | ||
430 | |||
431 | ------------------------------------------------------------------------ | ||
432 | -- main lexer function | ||
433 | ------------------------------------------------------------------------ | ||
434 | function luaX:lex(LS, Token) | ||
435 | while true do | ||
436 | local c = LS.current | ||
437 | ---------------------------------------------------------------- | ||
438 | if c == "\n" then | ||
439 | self:inclinenumber(LS) | ||
440 | ---------------------------------------------------------------- | ||
441 | elseif c == "-" then | ||
442 | c = self:next(LS) | ||
443 | if c ~= "-" then return "-" end | ||
444 | -- else is a comment | ||
445 | c = self:next(LS) | ||
446 | if c == "[" and self:next(LS) == "[" then | ||
447 | self:read_long_string(LS) -- long comment | ||
448 | else -- short comment | ||
449 | c = LS.current | ||
450 | while c ~= "\n" and c ~= "EOZ" do | ||
451 | c = self:next(LS) | ||
452 | end | ||
453 | end | ||
454 | ---------------------------------------------------------------- | ||
455 | elseif c == "[" then | ||
456 | c = self:next(LS) | ||
457 | if c ~= "[" then return "[" | ||
458 | else | ||
459 | self:read_long_string(LS, Token) | ||
460 | return "TK_STRING" | ||
461 | end | ||
462 | ---------------------------------------------------------------- | ||
463 | elseif c == "=" then | ||
464 | c = self:next(LS) | ||
465 | if c ~= "=" then return "=" | ||
466 | else self:next(LS); return "TK_EQ" end | ||
467 | ---------------------------------------------------------------- | ||
468 | elseif c == "<" then | ||
469 | c = self:next(LS) | ||
470 | if c ~= "=" then return "<" | ||
471 | else self:next(LS); return "TK_LE" end | ||
472 | ---------------------------------------------------------------- | ||
473 | elseif c == ">" then | ||
474 | c = self:next(LS) | ||
475 | if c ~= "=" then return ">" | ||
476 | else self:next(LS); return "TK_GE" end | ||
477 | ---------------------------------------------------------------- | ||
478 | elseif c == "~" then | ||
479 | c = self:next(LS) | ||
480 | if c ~= "=" then return "~" | ||
481 | else self:next(LS); return "TK_NE" end | ||
482 | ---------------------------------------------------------------- | ||
483 | elseif c == "\"" or c == "'" then | ||
484 | self:read_string(LS, c, Token) | ||
485 | return "TK_STRING" | ||
486 | ---------------------------------------------------------------- | ||
487 | elseif c == "." then | ||
488 | c = self:next(LS) | ||
489 | if c == "." then | ||
490 | c = self:next(LS) | ||
491 | if c == "." then | ||
492 | self:next(LS) | ||
493 | return "TK_DOTS" -- ... | ||
494 | else | ||
495 | return "TK_CONCAT" -- .. | ||
496 | end | ||
497 | elseif not string.find(c, "%d") then | ||
498 | return '.' | ||
499 | else | ||
500 | self:read_numeral(LS, true, Token) | ||
501 | return "TK_NUMBER" | ||
502 | end | ||
503 | ---------------------------------------------------------------- | ||
504 | elseif c == "EOZ" then | ||
505 | return "TK_EOS" | ||
506 | ---------------------------------------------------------------- | ||
507 | else -- default | ||
508 | if string.find(c, "%s") then | ||
509 | self:next(LS) | ||
510 | elseif string.find(c, "%d") then | ||
511 | self:read_numeral(LS, false, Token) | ||
512 | return "TK_NUMBER" | ||
513 | elseif string.find(c, "[_%a]") then | ||
514 | -- identifier or reserved word | ||
515 | local l = self:readname(LS) | ||
516 | local tok = self.string2token[l] | ||
517 | if tok then return tok end -- reserved word? | ||
518 | Token.seminfo = l | ||
519 | return "TK_NAME" | ||
520 | else | ||
521 | if string.find(c, "%c") then | ||
522 | self:error(LS, "invalid control char", | ||
523 | string.format("char(%d)", string.byte(c))) | ||
524 | end | ||
525 | self:next(LS) | ||
526 | return c -- single-char tokens (+ - / ...) | ||
527 | end | ||
528 | ---------------------------------------------------------------- | ||
529 | end--if c | ||
530 | end--while | ||
531 | end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lopcodes.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lopcodes.lua deleted file mode 100644 index 0c4eebd..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lopcodes.lua +++ /dev/null | |||
@@ -1,349 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | lopcodes.lua | ||
4 | Lua 5 virtual machine opcodes in Lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * an Instruction is a table with OP, A, B, C, Bx elements; this | ||
18 | -- should allow instruction handling to work with doubles and ints | ||
19 | -- * Added: | ||
20 | -- luaP:Instruction(i): convert field elements to a 4-char string | ||
21 | -- luaP:DecodeInst(x): convert 4-char string into field elements | ||
22 | -- * WARNING luaP:Instruction outputs instructions encoded in little- | ||
23 | -- endian form and field size and positions are hard-coded | ||
24 | ----------------------------------------------------------------------]] | ||
25 | |||
26 | luaP = {} | ||
27 | |||
28 | --[[ | ||
29 | =========================================================================== | ||
30 | We assume that instructions are unsigned numbers. | ||
31 | All instructions have an opcode in the first 6 bits. | ||
32 | Instructions can have the following fields: | ||
33 | 'A' : 8 bits | ||
34 | 'B' : 9 bits | ||
35 | 'C' : 9 bits | ||
36 | 'Bx' : 18 bits ('B' and 'C' together) | ||
37 | 'sBx' : signed Bx | ||
38 | |||
39 | A signed argument is represented in excess K; that is, the number | ||
40 | value is the unsigned value minus K. K is exactly the maximum value | ||
41 | for that argument (so that -max is represented by 0, and +max is | ||
42 | represented by 2*max), which is half the maximum for the corresponding | ||
43 | unsigned argument. | ||
44 | =========================================================================== | ||
45 | --]] | ||
46 | |||
47 | luaP.OpMode = {"iABC", "iABx", "iAsBx"} -- basic instruction format | ||
48 | |||
49 | ------------------------------------------------------------------------ | ||
50 | -- size and position of opcode arguments. | ||
51 | -- * WARNING size and position is hard-coded elsewhere in this script | ||
52 | ------------------------------------------------------------------------ | ||
53 | luaP.SIZE_C = 9 | ||
54 | luaP.SIZE_B = 9 | ||
55 | luaP.SIZE_Bx = luaP.SIZE_C + luaP.SIZE_B | ||
56 | luaP.SIZE_A = 8 | ||
57 | |||
58 | luaP.SIZE_OP = 6 | ||
59 | |||
60 | luaP.POS_C = luaP.SIZE_OP | ||
61 | luaP.POS_B = luaP.POS_C + luaP.SIZE_C | ||
62 | luaP.POS_Bx = luaP.POS_C | ||
63 | luaP.POS_A = luaP.POS_B + luaP.SIZE_B | ||
64 | |||
65 | ------------------------------------------------------------------------ | ||
66 | -- limits for opcode arguments. | ||
67 | -- we use (signed) int to manipulate most arguments, | ||
68 | -- so they must fit in BITS_INT-1 bits (-1 for sign) | ||
69 | ------------------------------------------------------------------------ | ||
70 | -- removed "#if SIZE_Bx < BITS_INT-1" test, assume this script is | ||
71 | -- running on a Lua VM with double or int as LUA_NUMBER | ||
72 | |||
73 | luaP.MAXARG_Bx = math.ldexp(1, luaP.SIZE_Bx) - 1 | ||
74 | luaP.MAXARG_sBx = math.floor(luaP.MAXARG_Bx / 2) -- 'sBx' is signed | ||
75 | |||
76 | luaP.MAXARG_A = math.ldexp(1, luaP.SIZE_A) - 1 | ||
77 | luaP.MAXARG_B = math.ldexp(1, luaP.SIZE_B) - 1 | ||
78 | luaP.MAXARG_C = math.ldexp(1, luaP.SIZE_C) - 1 | ||
79 | |||
80 | -- creates a mask with 'n' 1 bits at position 'p' | ||
81 | -- MASK1(n,p) deleted | ||
82 | -- creates a mask with 'n' 0 bits at position 'p' | ||
83 | -- MASK0(n,p) deleted | ||
84 | |||
85 | --[[-------------------------------------------------------------------- | ||
86 | Visual representation for reference: | ||
87 | |||
88 | 31 | | | 0 bit position | ||
89 | +-----+-----+-----+----------+ | ||
90 | | A | B | C | Opcode | iABC format | ||
91 | +-----+-----+-----+----------+ | ||
92 | - 8 - 9 - 9 - 6 - field sizes | ||
93 | +-----+-----+-----+----------+ | ||
94 | | A | [s]Bx | Opcode | iABx | iAsBx format | ||
95 | +-----+-----+-----+----------+ | ||
96 | ----------------------------------------------------------------------]] | ||
97 | |||
98 | ------------------------------------------------------------------------ | ||
99 | -- the following macros help to manipulate instructions | ||
100 | -- * changed to a table object representation, very clean compared to | ||
101 | -- the [nightmare] alternatives of using a number or a string | ||
102 | ------------------------------------------------------------------------ | ||
103 | |||
104 | -- these accept or return opcodes in the form of string names | ||
105 | function luaP:GET_OPCODE(i) return self.ROpCode[i.OP] end | ||
106 | function luaP:SET_OPCODE(i, o) i.OP = self.OpCode[o] end | ||
107 | |||
108 | function luaP:GETARG_A(i) return i.A end | ||
109 | function luaP:SETARG_A(i, u) i.A = u end | ||
110 | |||
111 | function luaP:GETARG_B(i) return i.B end | ||
112 | function luaP:SETARG_B(i, b) i.B = b end | ||
113 | |||
114 | function luaP:GETARG_C(i) return i.C end | ||
115 | function luaP:SETARG_C(i, b) i.C = b end | ||
116 | |||
117 | function luaP:GETARG_Bx(i) return i.Bx end | ||
118 | function luaP:SETARG_Bx(i, b) i.Bx = b end | ||
119 | |||
120 | function luaP:GETARG_sBx(i) return i.Bx - self.MAXARG_sBx end | ||
121 | function luaP:SETARG_sBx(i, b) i.Bx = b + self.MAXARG_sBx end | ||
122 | |||
123 | function luaP:CREATE_ABC(o,a,b,c) | ||
124 | return {OP = self.OpCode[o], A = a, B = b, C = c} | ||
125 | end | ||
126 | |||
127 | function luaP:CREATE_ABx(o,a,bc) | ||
128 | return {OP = self.OpCode[o], A = a, Bx = bc} | ||
129 | end | ||
130 | |||
131 | ------------------------------------------------------------------------ | ||
132 | -- returns a 4-char string little-endian encoded form of an instruction | ||
133 | ------------------------------------------------------------------------ | ||
134 | function luaP:Instruction(i) | ||
135 | local I, c0, c1, c2, c3 | ||
136 | if i.Bx then | ||
137 | -- change to OP/A/B/C format | ||
138 | i.C = math.mod(i.Bx, 512) | ||
139 | i.B = math.floor(i.Bx / 512) | ||
140 | end | ||
141 | I = i.C * 64 + i.OP | ||
142 | c0 = math.mod(I, 256) | ||
143 | I = i.B * 128 + math.floor(I / 256) -- 7 bits of C left | ||
144 | c1 = math.mod(I, 256) | ||
145 | I = math.floor(I / 256) -- 8 bits of B left | ||
146 | c2 = math.mod(I, 256) | ||
147 | c3 = math.mod(i.A, 256) | ||
148 | return string.char(c0, c1, c2, c3) | ||
149 | end | ||
150 | |||
151 | ------------------------------------------------------------------------ | ||
152 | -- decodes a 4-char little-endian string into an instruction struct | ||
153 | ------------------------------------------------------------------------ | ||
154 | function luaP:DecodeInst(x) | ||
155 | local i = {} | ||
156 | local I = string.byte(x, 1) | ||
157 | local op = math.mod(I, 64) | ||
158 | i.OP = op | ||
159 | I = string.byte(x, 2) * 4 + math.floor(I / 64) -- 2 bits of c0 left | ||
160 | i.C = math.mod(I, 512) | ||
161 | i.B = string.byte(x, 3) * 2 + math.floor(I / 128) -- 1 bit of c2 left | ||
162 | i.A = string.byte(x, 4) | ||
163 | local opmode = self.OpMode[tonumber(string.sub(self.opmodes[op + 1], 7, 7))] | ||
164 | if opmode ~= "iABC" then | ||
165 | i.Bx = i.B * 512 + i.C | ||
166 | end | ||
167 | return i | ||
168 | end | ||
169 | |||
170 | ------------------------------------------------------------------------ | ||
171 | -- invalid register that fits in 8 bits | ||
172 | ------------------------------------------------------------------------ | ||
173 | luaP.NO_REG = luaP.MAXARG_A | ||
174 | |||
175 | ------------------------------------------------------------------------ | ||
176 | -- R(x) - register | ||
177 | -- Kst(x) - constant (in constant table) | ||
178 | -- RK(x) == if x < MAXSTACK then R(x) else Kst(x-MAXSTACK) | ||
179 | ------------------------------------------------------------------------ | ||
180 | |||
181 | ------------------------------------------------------------------------ | ||
182 | -- grep "ORDER OP" if you change these enums | ||
183 | ------------------------------------------------------------------------ | ||
184 | |||
185 | --[[-------------------------------------------------------------------- | ||
186 | Lua virtual machine opcodes (enum OpCode): | ||
187 | ------------------------------------------------------------------------ | ||
188 | name args description | ||
189 | ------------------------------------------------------------------------ | ||
190 | OP_MOVE A B R(A) := R(B) | ||
191 | OP_LOADK A Bx R(A) := Kst(Bx) | ||
192 | OP_LOADBOOL A B C R(A) := (Bool)B; if (C) PC++ | ||
193 | OP_LOADNIL A B R(A) := ... := R(B) := nil | ||
194 | OP_GETUPVAL A B R(A) := UpValue[B] | ||
195 | OP_GETGLOBAL A Bx R(A) := Gbl[Kst(Bx)] | ||
196 | OP_GETTABLE A B C R(A) := R(B)[RK(C)] | ||
197 | OP_SETGLOBAL A Bx Gbl[Kst(Bx)] := R(A) | ||
198 | OP_SETUPVAL A B UpValue[B] := R(A) | ||
199 | OP_SETTABLE A B C R(A)[RK(B)] := RK(C) | ||
200 | OP_NEWTABLE A B C R(A) := {} (size = B,C) | ||
201 | OP_SELF A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] | ||
202 | OP_ADD A B C R(A) := RK(B) + RK(C) | ||
203 | OP_SUB A B C R(A) := RK(B) - RK(C) | ||
204 | OP_MUL A B C R(A) := RK(B) * RK(C) | ||
205 | OP_DIV A B C R(A) := RK(B) / RK(C) | ||
206 | OP_POW A B C R(A) := RK(B) ^ RK(C) | ||
207 | OP_UNM A B R(A) := -R(B) | ||
208 | OP_NOT A B R(A) := not R(B) | ||
209 | OP_CONCAT A B C R(A) := R(B).. ... ..R(C) | ||
210 | OP_JMP sBx PC += sBx | ||
211 | OP_EQ A B C if ((RK(B) == RK(C)) ~= A) then pc++ | ||
212 | OP_LT A B C if ((RK(B) < RK(C)) ~= A) then pc++ | ||
213 | OP_LE A B C if ((RK(B) <= RK(C)) ~= A) then pc++ | ||
214 | OP_TEST A B C if (R(B) <=> C) then R(A) := R(B) else pc++ | ||
215 | OP_CALL A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) | ||
216 | OP_TAILCALL A B C return R(A)(R(A+1), ... ,R(A+B-1)) | ||
217 | OP_RETURN A B return R(A), ... ,R(A+B-2) (see note) | ||
218 | OP_FORLOOP A sBx R(A)+=R(A+2); if R(A) <?= R(A+1) then PC+= sBx | ||
219 | OP_TFORLOOP A C R(A+2), ... ,R(A+2+C) := R(A)(R(A+1), R(A+2)); | ||
220 | if R(A+2) ~= nil then pc++ | ||
221 | OP_TFORPREP A sBx if type(R(A)) == table then R(A+1):=R(A), R(A):=next; | ||
222 | PC += sBx | ||
223 | OP_SETLIST A Bx R(A)[Bx-Bx%FPF+i] := R(A+i), 1 <= i <= Bx%FPF+1 | ||
224 | OP_SETLISTO A Bx (see note) | ||
225 | OP_CLOSE A close all variables in the stack up to (>=) R(A) | ||
226 | OP_CLOSURE A Bx R(A) := closure(KPROTO[Bx], R(A), ... ,R(A+n)) | ||
227 | ----------------------------------------------------------------------]] | ||
228 | |||
229 | luaP.opnames = {} -- opcode names | ||
230 | luaP.OpCode = {} -- lookup name -> number | ||
231 | luaP.ROpCode = {} -- lookup number -> name | ||
232 | |||
233 | -- ORDER OP | ||
234 | local i = 0 | ||
235 | for v in string.gfind([[ | ||
236 | MOVE LOADK LOADBOOL LOADNIL GETUPVAL | ||
237 | GETGLOBAL GETTABLE SETGLOBAL SETUPVAL SETTABLE | ||
238 | NEWTABLE SELF ADD SUB MUL | ||
239 | DIV POW UNM NOT CONCAT | ||
240 | JMP EQ LT LE TEST | ||
241 | CALL TAILCALL RETURN FORLOOP TFORLOOP | ||
242 | TFORPREP SETLIST SETLISTO CLOSE CLOSURE | ||
243 | ]], "%S+") do | ||
244 | local n = "OP_"..v | ||
245 | luaP.opnames[i] = v | ||
246 | luaP.OpCode[n] = i | ||
247 | luaP.ROpCode[i] = n | ||
248 | i = i + 1 | ||
249 | end | ||
250 | luaP.NUM_OPCODES = i | ||
251 | |||
252 | --[[ | ||
253 | =========================================================================== | ||
254 | Notes: | ||
255 | (1) In OP_CALL, if (B == 0) then B = top. C is the number of returns - 1, | ||
256 | and can be 0: OP_CALL then sets 'top' to last_result+1, so | ||
257 | next open instruction (OP_CALL, OP_RETURN, OP_SETLIST) may use 'top'. | ||
258 | |||
259 | (2) In OP_RETURN, if (B == 0) then return up to 'top' | ||
260 | |||
261 | (3) For comparisons, B specifies what conditions the test should accept. | ||
262 | |||
263 | (4) All 'skips' (pc++) assume that next instruction is a jump | ||
264 | |||
265 | (5) OP_SETLISTO is used when the last item in a table constructor is a | ||
266 | function, so the number of elements set is up to top of stack | ||
267 | =========================================================================== | ||
268 | --]] | ||
269 | |||
270 | ------------------------------------------------------------------------ | ||
271 | -- masks for instruction properties | ||
272 | ------------------------------------------------------------------------ | ||
273 | -- was enum OpModeMask: | ||
274 | luaP.OpModeBreg = 2 -- B is a register | ||
275 | luaP.OpModeBrk = 3 -- B is a register/constant | ||
276 | luaP.OpModeCrk = 4 -- C is a register/constant | ||
277 | luaP.OpModesetA = 5 -- instruction set register A | ||
278 | luaP.OpModeK = 6 -- Bx is a constant | ||
279 | luaP.OpModeT = 1 -- operator is a test | ||
280 | |||
281 | ------------------------------------------------------------------------ | ||
282 | -- get opcode mode, e.g. "iABC" | ||
283 | ------------------------------------------------------------------------ | ||
284 | function luaP:getOpMode(m) | ||
285 | return self.OpMode[tonumber(string.sub(self.opmodes[self.OpCode[m] + 1], 7, 7))] | ||
286 | end | ||
287 | |||
288 | ------------------------------------------------------------------------ | ||
289 | -- test an instruction property flag | ||
290 | -- * b is a string, e.g. "OpModeBreg" | ||
291 | ------------------------------------------------------------------------ | ||
292 | function luaP:testOpMode(m, b) | ||
293 | return (string.sub(self.opmodes[self.OpCode[m] + 1], self[b], self[b]) == "1") | ||
294 | end | ||
295 | |||
296 | -- number of list items to accumulate before a SETLIST instruction | ||
297 | -- (must be a power of 2) | ||
298 | -- * used in lparser, lvm, ldebug, ltests | ||
299 | luaP.LFIELDS_PER_FLUSH = 32 | ||
300 | |||
301 | -- luaP_opnames[] is set above, as the luaP.opnames table | ||
302 | -- opmode(t,b,bk,ck,sa,k,m) deleted | ||
303 | |||
304 | --[[-------------------------------------------------------------------- | ||
305 | Legend for luaP:opmodes: | ||
306 | T -> T B -> B mode -> m, where iABC = 1 | ||
307 | Bk -> b Ck -> C iABx = 2 | ||
308 | sA -> A K -> K iAsBx = 3 | ||
309 | ----------------------------------------------------------------------]] | ||
310 | |||
311 | -- ORDER OP | ||
312 | luaP.opmodes = { | ||
313 | -- TBbCAKm opcode | ||
314 | "0100101", -- OP_MOVE | ||
315 | "0000112", -- OP_LOADK | ||
316 | "0000101", -- OP_LOADBOOL | ||
317 | "0100101", -- OP_LOADNIL | ||
318 | "0000101", -- OP_GETUPVAL | ||
319 | "0000112", -- OP_GETGLOBAL | ||
320 | "0101101", -- OP_GETTABLE | ||
321 | "0000012", -- OP_SETGLOBAL | ||
322 | "0000001", -- OP_SETUPVAL | ||
323 | "0011001", -- OP_SETTABLE | ||
324 | "0000101", -- OP_NEWTABLE | ||
325 | "0101101", -- OP_SELF | ||
326 | "0011101", -- OP_ADD | ||
327 | "0011101", -- OP_SUB | ||
328 | "0011101", -- OP_MUL | ||
329 | "0011101", -- OP_DIV | ||
330 | "0011101", -- OP_POW | ||
331 | "0100101", -- OP_UNM | ||
332 | "0100101", -- OP_NOT | ||
333 | "0101101", -- OP_CONCAT | ||
334 | "0000003", -- OP_JMP | ||
335 | "1011001", -- OP_EQ | ||
336 | "1011001", -- OP_LT | ||
337 | "1011001", -- OP_LE | ||
338 | "1100101", -- OP_TEST | ||
339 | "0000001", -- OP_CALL | ||
340 | "0000001", -- OP_TAILCALL | ||
341 | "0000001", -- OP_RETURN | ||
342 | "0000003", -- OP_FORLOOP | ||
343 | "1000001", -- OP_TFORLOOP | ||
344 | "0000003", -- OP_TFORPREP | ||
345 | "0000002", -- OP_SETLIST | ||
346 | "0000002", -- OP_SETLISTO | ||
347 | "0000001", -- OP_CLOSE | ||
348 | "0000102", -- OP_CLOSURE | ||
349 | } | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lparser.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lparser.lua deleted file mode 100644 index 3180a7f..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lparser.lua +++ /dev/null | |||
@@ -1,1706 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | lparser.lua | ||
4 | Lua 5 parser in Lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * LUA_COMPATUPSYNTAX option changed into a comment block | ||
18 | -- * Added: | ||
19 | -- some constants, see below | ||
20 | -- luaY:newproto (from lfunc.c) -- called by lparser, lundump, luac | ||
21 | -- luaY:int2fb (from lobject.c) -- called by lparser, ltests | ||
22 | -- luaY:log2 (from lobject.c) -- called by lparser, ltests, ltable | ||
23 | -- luaY:growvector (from lmem.h) -- skeleton only, limit checking | ||
24 | -- * Unimplemented: | ||
25 | -- luaG_checkcode() in lua_assert is not currently implemented | ||
26 | ----------------------------------------------------------------------]] | ||
27 | |||
28 | --requires luaP, luaX, luaK | ||
29 | luaY = {} | ||
30 | |||
31 | ------------------------------------------------------------------------ | ||
32 | -- constants used by parser | ||
33 | -- * MAX_INT duplicated in luaX.MAX_INT | ||
34 | ------------------------------------------------------------------------ | ||
35 | luaY.MAX_INT = 2147483645 -- INT_MAX-2 for 32-bit systems (llimits.h) | ||
36 | luaY.MAXVARS = 200 -- (llimits.h) | ||
37 | luaY.MAXUPVALUES = 32 -- (llimits.h) | ||
38 | luaY.MAXPARAMS = 100 -- (llimits.h) | ||
39 | luaY.LUA_MAXPARSERLEVEL = 200 -- (llimits.h) | ||
40 | luaY.LUA_MULTRET = -1 -- (lua.h) | ||
41 | luaY.MAXSTACK = 250 -- (llimits.h, used in lcode.lua) | ||
42 | |||
43 | ------------------------------------------------------------------------ | ||
44 | -- Expression descriptor | ||
45 | ------------------------------------------------------------------------ | ||
46 | |||
47 | --[[-------------------------------------------------------------------- | ||
48 | -- * expkind changed to string constants; luaY:assignment was the only | ||
49 | -- function to use a relational operator with this enumeration | ||
50 | -- VVOID -- no value | ||
51 | -- VNIL -- no value | ||
52 | -- VTRUE -- no value | ||
53 | -- VFALSE -- no value | ||
54 | -- VK -- info = index of constant in 'k' | ||
55 | -- VLOCAL -- info = local register | ||
56 | -- VUPVAL, -- info = index of upvalue in 'upvalues' | ||
57 | -- VGLOBAL -- info = index of table; aux = index of global name in 'k' | ||
58 | -- VINDEXED -- info = table register; aux = index register (or 'k') | ||
59 | -- VJMP -- info = instruction pc | ||
60 | -- VRELOCABLE -- info = instruction pc | ||
61 | -- VNONRELOC -- info = result register | ||
62 | -- VCALL -- info = result register | ||
63 | ----------------------------------------------------------------------]] | ||
64 | |||
65 | --[[-------------------------------------------------------------------- | ||
66 | -- struct expdesc: | ||
67 | -- k -- (enum: expkind) | ||
68 | -- info, aux | ||
69 | -- t -- patch list of 'exit when true' | ||
70 | -- f -- patch list of 'exit when false' | ||
71 | ----------------------------------------------------------------------]] | ||
72 | |||
73 | --[[-------------------------------------------------------------------- | ||
74 | -- state needed to generate code for a given function | ||
75 | -- struct FuncState: | ||
76 | -- f -- current function header (table: Proto) | ||
77 | -- h -- table to find (and reuse) elements in 'k' (table: Table) | ||
78 | -- prev -- enclosing function (table: FuncState) | ||
79 | -- ls -- lexical state (table: LexState) | ||
80 | -- L -- copy of the Lua state (table: lua_State) | ||
81 | -- bl -- chain of current blocks (table: BlockCnt) | ||
82 | -- pc -- next position to code (equivalent to 'ncode') | ||
83 | -- lasttarget -- 'pc' of last 'jump target' | ||
84 | -- jpc -- list of pending jumps to 'pc' | ||
85 | -- freereg -- first free register | ||
86 | -- nk -- number of elements in 'k' | ||
87 | -- np -- number of elements in 'p' | ||
88 | -- nlocvars -- number of elements in 'locvars' | ||
89 | -- nactvar -- number of active local variables | ||
90 | -- upvalues[MAXUPVALUES] -- upvalues (table: expdesc) | ||
91 | -- actvar[MAXVARS] -- declared-variable stack | ||
92 | ----------------------------------------------------------------------]] | ||
93 | |||
94 | ------------------------------------------------------------------------ | ||
95 | -- converts an integer to a "floating point byte", represented as | ||
96 | -- (mmmmmxxx), where the real value is (xxx) * 2^(mmmmm) | ||
97 | ------------------------------------------------------------------------ | ||
98 | |||
99 | function luaY:int2fb(x) | ||
100 | local m = 0 -- mantissa | ||
101 | while x >= 8 do | ||
102 | x = math.floor((x + 1) / 2) | ||
103 | m = m + 1 | ||
104 | end | ||
105 | return m * 8 + x | ||
106 | end | ||
107 | |||
108 | ------------------------------------------------------------------------ | ||
109 | -- calculates log value for encoding the hash portion's size | ||
110 | -- * there are 2 implementations: the shorter one uses math.frexp | ||
111 | -- while the other one is based on the original code, so pick one... | ||
112 | -- * since LUA_NUMBER is assumed to be a double elsewhere, the | ||
113 | -- shorter version works fine | ||
114 | ------------------------------------------------------------------------ | ||
115 | --[[ | ||
116 | function luaY:log2(x) | ||
117 | -- this is based on the original lua0_log2 in lobject.c | ||
118 | local log_8 = { -- index starts from 1 | ||
119 | 0, | ||
120 | 1,1, | ||
121 | 2,2,2,2, | ||
122 | 3,3,3,3,3,3,3,3, | ||
123 | 4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, | ||
124 | 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, | ||
125 | 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, | ||
126 | 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, | ||
127 | 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, | ||
128 | 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, | ||
129 | 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, | ||
130 | 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 | ||
131 | } | ||
132 | if x >= 65536 then | ||
133 | if x >= 16777216 then | ||
134 | return log_8[math.mod(math.floor(x / 16777216), 256)] + 24 | ||
135 | else | ||
136 | return log_8[math.mod(math.floor(x / 65536), 256)] + 16 | ||
137 | end | ||
138 | else | ||
139 | if x >= 256 then | ||
140 | return log_8[math.mod(math.floor(x / 256), 256)] + 8 | ||
141 | elseif x > 0 then | ||
142 | return log_8[math.mod(x, 256)] | ||
143 | end | ||
144 | return -1 -- special 'log' for 0 | ||
145 | end | ||
146 | end | ||
147 | --]] | ||
148 | -- [[ | ||
149 | function luaY:log2(x) | ||
150 | -- math result is always one more than lua0_log2() | ||
151 | local mn, ex = math.frexp(x) | ||
152 | return ex - 1 | ||
153 | end | ||
154 | --]] | ||
155 | |||
156 | ------------------------------------------------------------------------ | ||
157 | -- this is a stripped-down luaM_growvector (from lmem.h) which is a | ||
158 | -- macro based on luaM_growaux (in lmem.c); all this function does is | ||
159 | -- reproduce the size limit checking logic of the original function | ||
160 | -- so that error behaviour is identical; all arguments preserved for | ||
161 | -- convenience, even those which are unused | ||
162 | -- * set the t field to nil, since this originally does a sizeof(t) | ||
163 | -- * size (originally a pointer) is never updated, their final values | ||
164 | -- are set by luaY:close_func(), so overall things should still work | ||
165 | ------------------------------------------------------------------------ | ||
166 | function luaY:growvector(L, v, nelems, size, t, limit, e) | ||
167 | local MINSIZEARRAY = 4 -- defined in lmem.c | ||
168 | -- still have at least MINSIZEARRAY free places | ||
169 | if nelems >= limit - MINSIZEARRAY then | ||
170 | luaX:syntaxerror(ls, e) | ||
171 | end | ||
172 | end | ||
173 | |||
174 | -- getlocvar(fs, i) has been placed with functions for locals, changed | ||
175 | -- into a function | ||
176 | |||
177 | ------------------------------------------------------------------------ | ||
178 | -- tracks and limits parsing depth, assert check at end of parsing | ||
179 | ------------------------------------------------------------------------ | ||
180 | function luaY:enterlevel(ls) | ||
181 | ls.nestlevel = ls.nestlevel + 1 | ||
182 | if ls.nestlevel > self.LUA_MAXPARSERLEVEL then | ||
183 | luaX:syntaxerror(ls, "too many syntax levels") | ||
184 | end | ||
185 | end | ||
186 | |||
187 | ------------------------------------------------------------------------ | ||
188 | -- tracks parsing depth, a pair with luaY:enterlevel() | ||
189 | ------------------------------------------------------------------------ | ||
190 | function luaY:leavelevel(ls) | ||
191 | ls.nestlevel = ls.nestlevel - 1 | ||
192 | end | ||
193 | |||
194 | ------------------------------------------------------------------------ | ||
195 | -- nodes for block list (list of active blocks) | ||
196 | ------------------------------------------------------------------------ | ||
197 | --[[-------------------------------------------------------------------- | ||
198 | -- struct BlockCnt: | ||
199 | -- previous -- chain (table: struct BlockCnt) | ||
200 | -- breaklist -- list of jumps out of this loop | ||
201 | -- nactvar -- # active local variables outside the breakable structure | ||
202 | -- upval -- true if some variable in the block is an upvalue (boolean) | ||
203 | -- isbreakable -- true if 'block' is a loop (boolean) | ||
204 | ----------------------------------------------------------------------]] | ||
205 | |||
206 | ------------------------------------------------------------------------ | ||
207 | -- prototypes for recursive non-terminal functions | ||
208 | ------------------------------------------------------------------------ | ||
209 | -- prototypes deleted; not required in Lua | ||
210 | |||
211 | ------------------------------------------------------------------------ | ||
212 | -- reads in next token | ||
213 | -- * luaX:lex fills in ls.t.seminfo too, lookahead is handled | ||
214 | ------------------------------------------------------------------------ | ||
215 | function luaY:next(ls) | ||
216 | ls.lastline = ls.linenumber | ||
217 | if ls.lookahead.token ~= "TK_EOS" then -- is there a look-ahead token? | ||
218 | ls.t.token = ls.lookahead.token -- use this one | ||
219 | ls.t.seminfo = ls.lookahead.seminfo | ||
220 | ls.lookahead.token = "TK_EOS" -- and discharge it | ||
221 | else | ||
222 | ls.t.token = luaX:lex(ls, ls.t) -- read next token | ||
223 | end | ||
224 | end | ||
225 | |||
226 | ------------------------------------------------------------------------ | ||
227 | -- peek at next token (single lookahead only) | ||
228 | ------------------------------------------------------------------------ | ||
229 | function luaY:lookahead(ls) | ||
230 | lua_assert(ls.lookahead.token == "TK_EOS") | ||
231 | ls.lookahead.token = luaX:lex(ls, ls.lookahead) | ||
232 | end | ||
233 | |||
234 | ------------------------------------------------------------------------ | ||
235 | -- throws a syntax error if token expected is not there | ||
236 | ------------------------------------------------------------------------ | ||
237 | function luaY:error_expected(ls, token) | ||
238 | luaX:syntaxerror(ls, | ||
239 | string.format("`%s' expected", luaX:token2str(ls, token))) | ||
240 | end | ||
241 | |||
242 | ------------------------------------------------------------------------ | ||
243 | -- tests for a token, returns outcome | ||
244 | -- * return value changed to boolean | ||
245 | ------------------------------------------------------------------------ | ||
246 | function luaY:testnext(ls, c) | ||
247 | if ls.t.token == c then | ||
248 | self:next(ls) | ||
249 | return true | ||
250 | else | ||
251 | return false | ||
252 | end | ||
253 | end | ||
254 | |||
255 | ------------------------------------------------------------------------ | ||
256 | -- check for existence of a token, throws error if not found | ||
257 | ------------------------------------------------------------------------ | ||
258 | function luaY:check(ls, c) | ||
259 | if not self:testnext(ls, c) then | ||
260 | self:error_expected(ls, c) | ||
261 | end | ||
262 | end | ||
263 | |||
264 | ------------------------------------------------------------------------ | ||
265 | -- throws error if condition not matched | ||
266 | ------------------------------------------------------------------------ | ||
267 | function luaY:check_condition(ls, c, msg) | ||
268 | if not c then luaX:syntaxerror(ls, msg) end | ||
269 | end | ||
270 | |||
271 | ------------------------------------------------------------------------ | ||
272 | -- verifies token conditions are met or else throw error | ||
273 | ------------------------------------------------------------------------ | ||
274 | function luaY:check_match(ls, what, who, where) | ||
275 | if not self:testnext(ls, what) then | ||
276 | if where == ls.linenumber then | ||
277 | self:error_expected(ls, what) | ||
278 | else | ||
279 | luaX:syntaxerror(ls, string.format( | ||
280 | "`%s' expected (to close `%s' at line %d)", | ||
281 | luaX:token2str(ls, what), luaX:token2str(ls, who), where)) | ||
282 | end | ||
283 | end | ||
284 | end | ||
285 | |||
286 | ------------------------------------------------------------------------ | ||
287 | -- expect that token is a name, return the name | ||
288 | ------------------------------------------------------------------------ | ||
289 | function luaY:str_checkname(ls) | ||
290 | self:check_condition(ls, ls.t.token == "TK_NAME", "<name> expected") | ||
291 | local ts = ls.t.seminfo | ||
292 | self:next(ls) | ||
293 | return ts | ||
294 | end | ||
295 | |||
296 | ------------------------------------------------------------------------ | ||
297 | -- initialize a struct expdesc, expression description data structure | ||
298 | ------------------------------------------------------------------------ | ||
299 | function luaY:init_exp(e, k, i) | ||
300 | e.f, e.t = luaK.NO_JUMP, luaK.NO_JUMP | ||
301 | e.k = k | ||
302 | e.info = i | ||
303 | end | ||
304 | |||
305 | ------------------------------------------------------------------------ | ||
306 | -- adds given string s in string pool, sets e as VK | ||
307 | ------------------------------------------------------------------------ | ||
308 | function luaY:codestring(ls, e, s) | ||
309 | self:init_exp(e, "VK", luaK:stringK(ls.fs, s)) | ||
310 | end | ||
311 | |||
312 | ------------------------------------------------------------------------ | ||
313 | -- consume a name token, adds it to string pool, sets e as VK | ||
314 | ------------------------------------------------------------------------ | ||
315 | function luaY:checkname(ls, e) | ||
316 | self:codestring(ls, e, self:str_checkname(ls)) | ||
317 | end | ||
318 | |||
319 | ------------------------------------------------------------------------ | ||
320 | -- returns local variable entry struct for a function | ||
321 | ------------------------------------------------------------------------ | ||
322 | function luaY:getlocvar(fs, i) | ||
323 | return fs.f.locvars[ fs.actvar[i] ] | ||
324 | end | ||
325 | |||
326 | ------------------------------------------------------------------------ | ||
327 | -- creates struct entry for a local variable | ||
328 | -- * used by new_localvar() only | ||
329 | ------------------------------------------------------------------------ | ||
330 | function luaY:registerlocalvar(ls, varname) | ||
331 | local fs = ls.fs | ||
332 | local f = fs.f | ||
333 | self:growvector(ls.L, f.locvars, fs.nlocvars, f.sizelocvars, | ||
334 | nil, self.MAX_INT, "") | ||
335 | f.locvars[fs.nlocvars] = {} -- LocVar | ||
336 | f.locvars[fs.nlocvars].varname = varname | ||
337 | local nlocvars = fs.nlocvars | ||
338 | fs.nlocvars = fs.nlocvars + 1 | ||
339 | return nlocvars | ||
340 | end | ||
341 | |||
342 | ------------------------------------------------------------------------ | ||
343 | -- register a local variable, set in active variable list | ||
344 | -- * used in new_localvarstr(), parlist(), fornum(), forlist(), | ||
345 | -- localfunc(), localstat() | ||
346 | ------------------------------------------------------------------------ | ||
347 | function luaY:new_localvar(ls, name, n) | ||
348 | local fs = ls.fs | ||
349 | luaX:checklimit(ls, fs.nactvar + n + 1, self.MAXVARS, "local variables") | ||
350 | fs.actvar[fs.nactvar + n] = self:registerlocalvar(ls, name) | ||
351 | end | ||
352 | |||
353 | ------------------------------------------------------------------------ | ||
354 | -- adds nvars number of new local variables, set debug information | ||
355 | -- * used in create_local(), code_params(), forbody(), localfunc(), | ||
356 | -- localstat() | ||
357 | ------------------------------------------------------------------------ | ||
358 | function luaY:adjustlocalvars(ls, nvars) | ||
359 | local fs = ls.fs | ||
360 | fs.nactvar = fs.nactvar + nvars | ||
361 | for i = 1, nvars do | ||
362 | self:getlocvar(fs, fs.nactvar - i).startpc = fs.pc | ||
363 | end | ||
364 | end | ||
365 | |||
366 | ------------------------------------------------------------------------ | ||
367 | -- removes a number of locals, set debug information | ||
368 | -- * used in leaveblock(), close_func() | ||
369 | ------------------------------------------------------------------------ | ||
370 | function luaY:removevars(ls, tolevel) | ||
371 | local fs = ls.fs | ||
372 | while fs.nactvar > tolevel do | ||
373 | fs.nactvar = fs.nactvar - 1 | ||
374 | self:getlocvar(fs, fs.nactvar).endpc = fs.pc | ||
375 | end | ||
376 | end | ||
377 | |||
378 | ------------------------------------------------------------------------ | ||
379 | -- creates a new local variable given a name and an offset from nactvar | ||
380 | -- * used in fornum(), forlist() for loop variables; in create_local() | ||
381 | ------------------------------------------------------------------------ | ||
382 | function luaY:new_localvarstr(ls, name, n) | ||
383 | self:new_localvar(ls, name, n) | ||
384 | end | ||
385 | |||
386 | ------------------------------------------------------------------------ | ||
387 | -- creates a single local variable and activates it | ||
388 | -- * used only in code_params() for "arg", body() for "self" | ||
389 | ------------------------------------------------------------------------ | ||
390 | function luaY:create_local(ls, name) | ||
391 | self:new_localvarstr(ls, name, 0) | ||
392 | self:adjustlocalvars(ls, 1) | ||
393 | end | ||
394 | |||
395 | ------------------------------------------------------------------------ | ||
396 | -- returns an existing upvalue index based on the given name, or | ||
397 | -- creates a new upvalue struct entry and returns the new index | ||
398 | -- * used only in singlevaraux() | ||
399 | ------------------------------------------------------------------------ | ||
400 | function luaY:indexupvalue(fs, name, v) | ||
401 | local f = fs.f | ||
402 | for i = 0, f.nups - 1 do | ||
403 | if fs.upvalues[i].k == v.k and fs.upvalues[i].info == v.info then | ||
404 | lua_assert(fs.f.upvalues[i] == name) | ||
405 | return i | ||
406 | end | ||
407 | end | ||
408 | -- new one | ||
409 | luaX:checklimit(fs.ls, f.nups + 1, self.MAXUPVALUES, "upvalues") | ||
410 | self:growvector(fs.L, fs.f.upvalues, f.nups, fs.f.sizeupvalues, | ||
411 | nil, self.MAX_INT, "") | ||
412 | fs.f.upvalues[f.nups] = name | ||
413 | -- this is a partial copy; only k & info fields used | ||
414 | fs.upvalues[f.nups] = { k = v.k, info = v.info } | ||
415 | local nups = f.nups | ||
416 | f.nups = f.nups + 1 | ||
417 | return nups | ||
418 | end | ||
419 | |||
420 | ------------------------------------------------------------------------ | ||
421 | -- search the local variable namespace of the given fs for a match | ||
422 | -- * used only in singlevaraux() | ||
423 | ------------------------------------------------------------------------ | ||
424 | function luaY:searchvar(fs, n) | ||
425 | for i = fs.nactvar - 1, 0, -1 do | ||
426 | if n == self:getlocvar(fs, i).varname then | ||
427 | return i | ||
428 | end | ||
429 | end | ||
430 | return -1 -- not found | ||
431 | end | ||
432 | |||
433 | ------------------------------------------------------------------------ | ||
434 | -- * mark upvalue flags in function states up to a given level | ||
435 | -- * used only in singlevaraux() | ||
436 | ------------------------------------------------------------------------ | ||
437 | function luaY:markupval(fs, level) | ||
438 | local bl = fs.bl | ||
439 | while bl and bl.nactvar > level do bl = bl.previous end | ||
440 | if bl then bl.upval = true end | ||
441 | end | ||
442 | |||
443 | ------------------------------------------------------------------------ | ||
444 | -- handle locals, globals and upvalues and related processing | ||
445 | -- * search mechanism is recursive, calls itself to search parents | ||
446 | -- * used only in singlevar() | ||
447 | ------------------------------------------------------------------------ | ||
448 | function luaY:singlevaraux(fs, n, var, base) | ||
449 | if fs == nil then -- no more levels? | ||
450 | self:init_exp(var, "VGLOBAL", luaP.NO_REG) -- default is global variable | ||
451 | else | ||
452 | local v = self:searchvar(fs, n) -- look up at current level | ||
453 | if v >= 0 then | ||
454 | self:init_exp(var, "VLOCAL", v) | ||
455 | if base == 0 then | ||
456 | self:markupval(fs, v) -- local will be used as an upval | ||
457 | end | ||
458 | else -- not found at current level; try upper one | ||
459 | self:singlevaraux(fs.prev, n, var, 0) | ||
460 | if var.k == "VGLOBAL" then | ||
461 | if base ~= 0 then | ||
462 | var.info = luaK:stringK(fs, n) -- info points to global name | ||
463 | end | ||
464 | else -- LOCAL or UPVAL | ||
465 | var.info = self:indexupvalue(fs, n, var) | ||
466 | var.k = "VUPVAL" -- upvalue in this level | ||
467 | end | ||
468 | end--if v | ||
469 | end--if fs | ||
470 | end | ||
471 | |||
472 | ------------------------------------------------------------------------ | ||
473 | -- consume a name token, creates a variable (global|local|upvalue) | ||
474 | -- * used in prefixexp(), funcname() | ||
475 | ------------------------------------------------------------------------ | ||
476 | function luaY:singlevar(ls, var, base) | ||
477 | local varname = self:str_checkname(ls) | ||
478 | self:singlevaraux(ls.fs, varname, var, base) | ||
479 | return varname | ||
480 | end | ||
481 | |||
482 | ------------------------------------------------------------------------ | ||
483 | -- adjust RHS to match LHS in an assignment | ||
484 | -- * used in assignment(), forlist(), localstat() | ||
485 | ------------------------------------------------------------------------ | ||
486 | function luaY:adjust_assign(ls, nvars, nexps, e) | ||
487 | local fs = ls.fs | ||
488 | local extra = nvars - nexps | ||
489 | if e.k == "VCALL" then | ||
490 | extra = extra + 1 -- includes call itself | ||
491 | if extra <= 0 then extra = 0 | ||
492 | else luaK:reserveregs(fs, extra - 1) end | ||
493 | luaK:setcallreturns(fs, e, extra) -- call provides the difference | ||
494 | else | ||
495 | if e.k ~= "VVOID" then luaK:exp2nextreg(fs, e) end -- close last expression | ||
496 | if extra > 0 then | ||
497 | local reg = fs.freereg | ||
498 | luaK:reserveregs(fs, extra) | ||
499 | luaK:_nil(fs, reg, extra) | ||
500 | end | ||
501 | end | ||
502 | end | ||
503 | |||
504 | ------------------------------------------------------------------------ | ||
505 | -- perform initialization for a parameter list, adds arg if needed | ||
506 | -- * used only in parlist() | ||
507 | ------------------------------------------------------------------------ | ||
508 | function luaY:code_params(ls, nparams, dots) | ||
509 | local fs = ls.fs | ||
510 | self:adjustlocalvars(ls, nparams) | ||
511 | luaX:checklimit(ls, fs.nactvar, self.MAXPARAMS, "parameters") | ||
512 | fs.f.numparams = fs.nactvar | ||
513 | fs.f.is_vararg = dots and 1 or 0 | ||
514 | if dots then | ||
515 | self:create_local(ls, "arg") | ||
516 | end | ||
517 | luaK:reserveregs(fs, fs.nactvar) -- reserve register for parameters | ||
518 | end | ||
519 | |||
520 | ------------------------------------------------------------------------ | ||
521 | -- enters a code unit, initializes elements | ||
522 | ------------------------------------------------------------------------ | ||
523 | function luaY:enterblock(fs, bl, isbreakable) | ||
524 | bl.breaklist = luaK.NO_JUMP | ||
525 | bl.isbreakable = isbreakable | ||
526 | bl.nactvar = fs.nactvar | ||
527 | bl.upval = false | ||
528 | bl.previous = fs.bl | ||
529 | fs.bl = bl | ||
530 | lua_assert(fs.freereg == fs.nactvar) | ||
531 | end | ||
532 | |||
533 | ------------------------------------------------------------------------ | ||
534 | -- leaves a code unit, close any upvalues | ||
535 | ------------------------------------------------------------------------ | ||
536 | function luaY:leaveblock(fs) | ||
537 | local bl = fs.bl | ||
538 | fs.bl = bl.previous | ||
539 | self:removevars(fs.ls, bl.nactvar) | ||
540 | if bl.upval then | ||
541 | luaK:codeABC(fs, "OP_CLOSE", bl.nactvar, 0, 0) | ||
542 | end | ||
543 | lua_assert(bl.nactvar == fs.nactvar) | ||
544 | fs.freereg = fs.nactvar -- free registers | ||
545 | luaK:patchtohere(fs, bl.breaklist) | ||
546 | end | ||
547 | |||
548 | ------------------------------------------------------------------------ | ||
549 | -- implement the instantiation of a function prototype, append list of | ||
550 | -- upvalues after the instantiation instruction | ||
551 | -- * used only in body() | ||
552 | ------------------------------------------------------------------------ | ||
553 | function luaY:pushclosure(ls, func, v) | ||
554 | local fs = ls.fs | ||
555 | local f = fs.f | ||
556 | self:growvector(ls.L, f.p, fs.np, f.sizep, nil, | ||
557 | luaP.MAXARG_Bx, "constant table overflow") | ||
558 | f.p[fs.np] = func.f | ||
559 | fs.np = fs.np + 1 | ||
560 | self:init_exp(v, "VRELOCABLE", luaK:codeABx(fs, "OP_CLOSURE", 0, fs.np - 1)) | ||
561 | for i = 0, func.f.nups - 1 do | ||
562 | local o = (func.upvalues[i].k == "VLOCAL") and "OP_MOVE" or "OP_GETUPVAL" | ||
563 | luaK:codeABC(fs, o, 0, func.upvalues[i].info, 0) | ||
564 | end | ||
565 | end | ||
566 | |||
567 | ------------------------------------------------------------------------ | ||
568 | -- initialize a new function prototype structure | ||
569 | ------------------------------------------------------------------------ | ||
570 | function luaY:newproto(L) | ||
571 | local f = {} -- Proto | ||
572 | -- luaC_link deleted | ||
573 | f.k = {} | ||
574 | f.sizek = 0 | ||
575 | f.p = {} | ||
576 | f.sizep = 0 | ||
577 | f.code = {} | ||
578 | f.sizecode = 0 | ||
579 | f.sizelineinfo = 0 | ||
580 | f.sizeupvalues = 0 | ||
581 | f.nups = 0 | ||
582 | f.upvalues = {} | ||
583 | f.numparams = 0 | ||
584 | f.is_vararg = 0 | ||
585 | f.maxstacksize = 0 | ||
586 | f.lineinfo = {} | ||
587 | f.sizelocvars = 0 | ||
588 | f.locvars = {} | ||
589 | f.lineDefined = 0 | ||
590 | f.source = nil | ||
591 | return f | ||
592 | end | ||
593 | |||
594 | ------------------------------------------------------------------------ | ||
595 | -- opening of a function | ||
596 | ------------------------------------------------------------------------ | ||
597 | function luaY:open_func(ls, fs) | ||
598 | local f = self:newproto(ls.L) | ||
599 | fs.f = f | ||
600 | fs.prev = ls.fs -- linked list of funcstates | ||
601 | fs.ls = ls | ||
602 | fs.L = ls.L | ||
603 | ls.fs = fs | ||
604 | fs.pc = 0 | ||
605 | fs.lasttarget = 0 | ||
606 | fs.jpc = luaK.NO_JUMP | ||
607 | fs.freereg = 0 | ||
608 | fs.nk = 0 | ||
609 | fs.h = {} -- constant table; was luaH_new call | ||
610 | fs.np = 0 | ||
611 | fs.nlocvars = 0 | ||
612 | fs.nactvar = 0 | ||
613 | fs.bl = nil | ||
614 | f.source = ls.source | ||
615 | f.maxstacksize = 2 -- registers 0/1 are always valid | ||
616 | end | ||
617 | |||
618 | ------------------------------------------------------------------------ | ||
619 | -- closing of a function | ||
620 | ------------------------------------------------------------------------ | ||
621 | function luaY:close_func(ls) | ||
622 | local L = ls.L | ||
623 | local fs = ls.fs | ||
624 | local f = fs.f | ||
625 | self:removevars(ls, 0) | ||
626 | luaK:codeABC(fs, "OP_RETURN", 0, 1, 0) -- final return | ||
627 | -- luaM_reallocvector deleted for f->code, f->lineinfo, f->k, f->p, | ||
628 | -- f->locvars, f->upvalues; not required for Lua table arrays | ||
629 | f.sizecode = fs.pc | ||
630 | f.sizelineinfo = fs.pc | ||
631 | f.sizek = fs.nk | ||
632 | f.sizep = fs.np | ||
633 | f.sizelocvars = fs.nlocvars | ||
634 | f.sizeupvalues = f.nups | ||
635 | --lua_assert(luaG_checkcode(f)) -- currently not implemented | ||
636 | lua_assert(fs.bl == nil) | ||
637 | ls.fs = fs.prev | ||
638 | end | ||
639 | |||
640 | ------------------------------------------------------------------------ | ||
641 | -- parser initialization function | ||
642 | -- * note additional sub-tables needed for LexState, FuncState | ||
643 | ------------------------------------------------------------------------ | ||
644 | function luaY:parser(L, z, buff) | ||
645 | local lexstate = {} -- LexState | ||
646 | lexstate.t = {} | ||
647 | lexstate.lookahead = {} | ||
648 | local funcstate = {} -- FuncState | ||
649 | funcstate.upvalues = {} | ||
650 | funcstate.actvar = {} | ||
651 | lexstate.buff = buff | ||
652 | lexstate.nestlevel = 0 | ||
653 | luaX:setinput(L, lexstate, z, z.name) | ||
654 | self:open_func(lexstate, funcstate) | ||
655 | self:next(lexstate) -- read first token | ||
656 | self:chunk(lexstate) | ||
657 | self:check_condition(lexstate, lexstate.t.token == "TK_EOS", "<eof> expected") | ||
658 | self:close_func(lexstate) | ||
659 | lua_assert(funcstate.prev == nil) | ||
660 | lua_assert(funcstate.f.nups == 0) | ||
661 | lua_assert(lexstate.nestlevel == 0) | ||
662 | return funcstate.f | ||
663 | end | ||
664 | |||
665 | --[[-------------------------------------------------------------------- | ||
666 | -- GRAMMAR RULES | ||
667 | ----------------------------------------------------------------------]] | ||
668 | |||
669 | ------------------------------------------------------------------------ | ||
670 | -- parse a function name suffix, for function call specifications | ||
671 | -- * used in primaryexp(), funcname() | ||
672 | ------------------------------------------------------------------------ | ||
673 | function luaY:field(ls, v) | ||
674 | -- field -> ['.' | ':'] NAME | ||
675 | local fs = ls.fs | ||
676 | local key = {} -- expdesc | ||
677 | luaK:exp2anyreg(fs, v) | ||
678 | self:next(ls) -- skip the dot or colon | ||
679 | self:checkname(ls, key) | ||
680 | luaK:indexed(fs, v, key) | ||
681 | end | ||
682 | |||
683 | ------------------------------------------------------------------------ | ||
684 | -- parse a table indexing suffix, for constructors, expressions | ||
685 | -- * used in recfield(), primaryexp() | ||
686 | ------------------------------------------------------------------------ | ||
687 | function luaY:index(ls, v) | ||
688 | -- index -> '[' expr ']' | ||
689 | self:next(ls) -- skip the '[' | ||
690 | self:expr(ls, v) | ||
691 | luaK:exp2val(ls.fs, v) | ||
692 | self:check(ls, "]") | ||
693 | end | ||
694 | |||
695 | --[[-------------------------------------------------------------------- | ||
696 | -- Rules for Constructors | ||
697 | ----------------------------------------------------------------------]] | ||
698 | |||
699 | --[[-------------------------------------------------------------------- | ||
700 | -- struct ConsControl: | ||
701 | -- v -- last list item read (table: struct expdesc) | ||
702 | -- t -- table descriptor (table: struct expdesc) | ||
703 | -- nh -- total number of 'record' elements | ||
704 | -- na -- total number of array elements | ||
705 | -- tostore -- number of array elements pending to be stored | ||
706 | ----------------------------------------------------------------------]] | ||
707 | |||
708 | ------------------------------------------------------------------------ | ||
709 | -- parse a table record (hash) field | ||
710 | -- * used in constructor() | ||
711 | ------------------------------------------------------------------------ | ||
712 | function luaY:recfield(ls, cc) | ||
713 | -- recfield -> (NAME | '['exp1']') = exp1 | ||
714 | local fs = ls.fs | ||
715 | local reg = ls.fs.freereg | ||
716 | local key, val = {}, {} -- expdesc | ||
717 | if ls.t.token == "TK_NAME" then | ||
718 | luaX:checklimit(ls, cc.nh, self.MAX_INT, "items in a constructor") | ||
719 | cc.nh = cc.nh + 1 | ||
720 | self:checkname(ls, key) | ||
721 | else -- ls->t.token == '[' | ||
722 | self:index(ls, key) | ||
723 | end | ||
724 | self:check(ls, "=") | ||
725 | luaK:exp2RK(fs, key) | ||
726 | self:expr(ls, val) | ||
727 | luaK:codeABC(fs, "OP_SETTABLE", cc.t.info, luaK:exp2RK(fs, key), | ||
728 | luaK:exp2RK(fs, val)) | ||
729 | fs.freereg = reg -- free registers | ||
730 | end | ||
731 | |||
732 | ------------------------------------------------------------------------ | ||
733 | -- emit a set list instruction if enough elements (LFIELDS_PER_FLUSH) | ||
734 | -- * used in constructor() | ||
735 | ------------------------------------------------------------------------ | ||
736 | function luaY:closelistfield(fs, cc) | ||
737 | if cc.v.k == "VVOID" then return end -- there is no list item | ||
738 | luaK:exp2nextreg(fs, cc.v) | ||
739 | cc.v.k = "VVOID" | ||
740 | if cc.tostore == luaP.LFIELDS_PER_FLUSH then | ||
741 | luaK:codeABx(fs, "OP_SETLIST", cc.t.info, cc.na - 1) -- flush | ||
742 | cc.tostore = 0 -- no more items pending | ||
743 | fs.freereg = cc.t.info + 1 -- free registers | ||
744 | end | ||
745 | end | ||
746 | |||
747 | ------------------------------------------------------------------------ | ||
748 | -- emit a set list instruction at the end of parsing list constructor | ||
749 | -- * used in constructor() | ||
750 | ------------------------------------------------------------------------ | ||
751 | function luaY:lastlistfield(fs, cc) | ||
752 | if cc.tostore == 0 then return end | ||
753 | if cc.v.k == "VCALL" then | ||
754 | luaK:setcallreturns(fs, cc.v, self.LUA_MULTRET) | ||
755 | luaK:codeABx(fs, "OP_SETLISTO", cc.t.info, cc.na - 1) | ||
756 | else | ||
757 | if cc.v.k ~= "VVOID" then | ||
758 | luaK:exp2nextreg(fs, cc.v) | ||
759 | end | ||
760 | luaK:codeABx(fs, "OP_SETLIST", cc.t.info, cc.na - 1) | ||
761 | end | ||
762 | fs.freereg = cc.t.info + 1 -- free registers | ||
763 | end | ||
764 | |||
765 | ------------------------------------------------------------------------ | ||
766 | -- parse a table list (array) field | ||
767 | -- * used in constructor() | ||
768 | ------------------------------------------------------------------------ | ||
769 | function luaY:listfield(ls, cc) | ||
770 | self:expr(ls, cc.v) | ||
771 | luaX:checklimit(ls, cc.na, luaP.MAXARG_Bx, "items in a constructor") | ||
772 | cc.na = cc.na + 1 | ||
773 | cc.tostore = cc.tostore + 1 | ||
774 | end | ||
775 | |||
776 | ------------------------------------------------------------------------ | ||
777 | -- parse a table constructor | ||
778 | -- * used in funcargs(), simpleexp() | ||
779 | ------------------------------------------------------------------------ | ||
780 | function luaY:constructor(ls, t) | ||
781 | -- constructor -> '{' [ field { fieldsep field } [ fieldsep ] ] '}' | ||
782 | -- field -> recfield | listfield | ||
783 | -- fieldsep -> ',' | ';' | ||
784 | local fs = ls.fs | ||
785 | local line = ls.linenumber | ||
786 | local pc = luaK:codeABC(fs, "OP_NEWTABLE", 0, 0, 0) | ||
787 | local cc = {} -- ConsControl | ||
788 | cc.v = {} | ||
789 | cc.na, cc.nh, cc.tostore = 0, 0, 0 | ||
790 | cc.t = t | ||
791 | self:init_exp(t, "VRELOCABLE", pc) | ||
792 | self:init_exp(cc.v, "VVOID", 0) -- no value (yet) | ||
793 | luaK:exp2nextreg(ls.fs, t) -- fix it at stack top (for gc) | ||
794 | self:check(ls, "{") | ||
795 | repeat | ||
796 | lua_assert(cc.v.k == "VVOID" or cc.tostore > 0) | ||
797 | self:testnext(ls, ";") -- compatibility only | ||
798 | if ls.t.token == "}" then break end | ||
799 | self:closelistfield(fs, cc) | ||
800 | local c = ls.t.token | ||
801 | if c == "TK_NAME" then -- may be listfields or recfields | ||
802 | self:lookahead(ls) | ||
803 | if ls.lookahead.token ~= "=" then -- expression? | ||
804 | self:listfield(ls, cc) | ||
805 | else | ||
806 | self:recfield(ls, cc) | ||
807 | end | ||
808 | elseif c == "[" then -- constructor_item -> recfield | ||
809 | self:recfield(ls, cc) | ||
810 | else -- constructor_part -> listfield | ||
811 | self:listfield(ls, cc) | ||
812 | end | ||
813 | until not self:testnext(ls, ",") and not self:testnext(ls, ";") | ||
814 | self:check_match(ls, "}", "{", line) | ||
815 | self:lastlistfield(fs, cc) | ||
816 | luaP:SETARG_B(fs.f.code[pc], self:int2fb(cc.na)) -- set initial array size | ||
817 | luaP:SETARG_C(fs.f.code[pc], self:log2(cc.nh) + 1) -- set initial table size | ||
818 | end | ||
819 | |||
820 | ------------------------------------------------------------------------ | ||
821 | -- parse the arguments (parameters) of a function declaration | ||
822 | -- * used in body() | ||
823 | ------------------------------------------------------------------------ | ||
824 | function luaY:parlist(ls) | ||
825 | -- parlist -> [ param { ',' param } ] | ||
826 | local nparams = 0 | ||
827 | local dots = false | ||
828 | if ls.t.token ~= ")" then -- is 'parlist' not empty? | ||
829 | repeat | ||
830 | local c = ls.t.token | ||
831 | if c == "TK_DOTS" then | ||
832 | dots = true | ||
833 | self:next(ls) | ||
834 | elseif c == "TK_NAME" then | ||
835 | self:new_localvar(ls, self:str_checkname(ls), nparams) | ||
836 | nparams = nparams + 1 | ||
837 | else | ||
838 | luaX:syntaxerror(ls, "<name> or `...' expected") | ||
839 | end | ||
840 | until dots or not self:testnext(ls, ",") | ||
841 | end | ||
842 | self:code_params(ls, nparams, dots) | ||
843 | end | ||
844 | |||
845 | ------------------------------------------------------------------------ | ||
846 | -- parse function declaration body | ||
847 | -- * used in simpleexp(), localfunc(), funcstat() | ||
848 | ------------------------------------------------------------------------ | ||
849 | function luaY:body(ls, e, needself, line) | ||
850 | -- body -> '(' parlist ')' chunk END | ||
851 | local new_fs = {} -- FuncState | ||
852 | new_fs.upvalues = {} | ||
853 | new_fs.actvar = {} | ||
854 | self:open_func(ls, new_fs) | ||
855 | new_fs.f.lineDefined = line | ||
856 | self:check(ls, "(") | ||
857 | if needself then | ||
858 | self:create_local(ls, "self") | ||
859 | end | ||
860 | self:parlist(ls) | ||
861 | self:check(ls, ")") | ||
862 | self:chunk(ls) | ||
863 | self:check_match(ls, "TK_END", "TK_FUNCTION", line) | ||
864 | self:close_func(ls) | ||
865 | self:pushclosure(ls, new_fs, e) | ||
866 | end | ||
867 | |||
868 | ------------------------------------------------------------------------ | ||
869 | -- parse a list of comma-separated expressions | ||
870 | -- * used is multiple locations | ||
871 | ------------------------------------------------------------------------ | ||
872 | function luaY:explist1(ls, v) | ||
873 | -- explist1 -> expr { ',' expr } | ||
874 | local n = 1 -- at least one expression | ||
875 | self:expr(ls, v) | ||
876 | while self:testnext(ls, ",") do | ||
877 | luaK:exp2nextreg(ls.fs, v) | ||
878 | self:expr(ls, v) | ||
879 | n = n + 1 | ||
880 | end | ||
881 | return n | ||
882 | end | ||
883 | |||
884 | ------------------------------------------------------------------------ | ||
885 | -- parse the parameters of a function call | ||
886 | -- * contrast with parlist(), used in function declarations | ||
887 | -- * used in primaryexp() | ||
888 | ------------------------------------------------------------------------ | ||
889 | function luaY:funcargs(ls, f) | ||
890 | local fs = ls.fs | ||
891 | local args = {} -- expdesc | ||
892 | local nparams | ||
893 | local line = ls.linenumber | ||
894 | local c = ls.t.token | ||
895 | if c == "(" then -- funcargs -> '(' [ explist1 ] ')' | ||
896 | if line ~= ls.lastline then | ||
897 | luaX:syntaxerror(ls, "ambiguous syntax (function call x new statement)") | ||
898 | end | ||
899 | self:next(ls) | ||
900 | if ls.t.token == ")" then -- arg list is empty? | ||
901 | args.k = "VVOID" | ||
902 | else | ||
903 | self:explist1(ls, args) | ||
904 | luaK:setcallreturns(fs, args, self.LUA_MULTRET) | ||
905 | end | ||
906 | self:check_match(ls, ")", "(", line) | ||
907 | elseif c == "{" then -- funcargs -> constructor | ||
908 | self:constructor(ls, args) | ||
909 | elseif c == "TK_STRING" then -- funcargs -> STRING | ||
910 | self:codestring(ls, args, ls.t.seminfo) | ||
911 | self:next(ls) -- must use 'seminfo' before 'next' | ||
912 | else | ||
913 | luaX:syntaxerror(ls, "function arguments expected") | ||
914 | return | ||
915 | end | ||
916 | lua_assert(f.k == "VNONRELOC") | ||
917 | local base = f.info -- base register for call | ||
918 | if args.k == "VCALL" then | ||
919 | nparams = self.LUA_MULTRET -- open call | ||
920 | else | ||
921 | if args.k ~= "VVOID" then | ||
922 | luaK:exp2nextreg(fs, args) -- close last argument | ||
923 | end | ||
924 | nparams = fs.freereg - (base + 1) | ||
925 | end | ||
926 | self:init_exp(f, "VCALL", luaK:codeABC(fs, "OP_CALL", base, nparams + 1, 2)) | ||
927 | luaK:fixline(fs, line) | ||
928 | fs.freereg = base + 1 -- call remove function and arguments and leaves | ||
929 | -- (unless changed) one result | ||
930 | end | ||
931 | |||
932 | --[[-------------------------------------------------------------------- | ||
933 | -- Expression parsing | ||
934 | ----------------------------------------------------------------------]] | ||
935 | |||
936 | ------------------------------------------------------------------------ | ||
937 | -- parses an expression in parentheses or a single variable | ||
938 | -- * used in primaryexp() | ||
939 | ------------------------------------------------------------------------ | ||
940 | function luaY:prefixexp(ls, v) | ||
941 | -- prefixexp -> NAME | '(' expr ')' | ||
942 | local c = ls.t.token | ||
943 | if c == "(" then | ||
944 | local line = ls.linenumber | ||
945 | self:next(ls) | ||
946 | self:expr(ls, v) | ||
947 | self:check_match(ls, ")", "(", line) | ||
948 | luaK:dischargevars(ls.fs, v) | ||
949 | elseif c == "TK_NAME" then | ||
950 | self:singlevar(ls, v, 1) | ||
951 | -- LUA_COMPATUPSYNTAX | ||
952 | --[[ | ||
953 | elseif c == "%" then -- for compatibility only | ||
954 | local line = ls.linenumber | ||
955 | self:next(ls) -- skip '%' | ||
956 | local varname = self:singlevar(ls, v, 1) | ||
957 | if v.k ~= "VUPVAL" then | ||
958 | luaX:errorline(ls, "global upvalues are obsolete", varname, line) | ||
959 | end | ||
960 | --]] | ||
961 | else | ||
962 | luaX:syntaxerror(ls, "unexpected symbol") | ||
963 | end--if c | ||
964 | return | ||
965 | end | ||
966 | |||
967 | ------------------------------------------------------------------------ | ||
968 | -- parses a prefixexp (an expression in parentheses or a single variable) | ||
969 | -- or a function call specification | ||
970 | -- * used in simpleexp(), assignment(), exprstat() | ||
971 | ------------------------------------------------------------------------ | ||
972 | function luaY:primaryexp(ls, v) | ||
973 | -- primaryexp -> | ||
974 | -- prefixexp { '.' NAME | '[' exp ']' | ':' NAME funcargs | funcargs } | ||
975 | local fs = ls.fs | ||
976 | self:prefixexp(ls, v) | ||
977 | while true do | ||
978 | local c = ls.t.token | ||
979 | if c == "." then -- field | ||
980 | self:field(ls, v) | ||
981 | elseif c == "[" then -- '[' exp1 ']' | ||
982 | local key = {} -- expdesc | ||
983 | luaK:exp2anyreg(fs, v) | ||
984 | self:index(ls, key) | ||
985 | luaK:indexed(fs, v, key) | ||
986 | elseif c == ":" then -- ':' NAME funcargs | ||
987 | local key = {} -- expdesc | ||
988 | self:next(ls) | ||
989 | self:checkname(ls, key) | ||
990 | luaK:_self(fs, v, key) | ||
991 | self:funcargs(ls, v) | ||
992 | elseif c == "(" or c == "TK_STRING" or c == "{" then -- funcargs | ||
993 | luaK:exp2nextreg(fs, v) | ||
994 | self:funcargs(ls, v) | ||
995 | else | ||
996 | return | ||
997 | end--if c | ||
998 | end--while | ||
999 | end | ||
1000 | |||
1001 | ------------------------------------------------------------------------ | ||
1002 | -- parses general expression types, constants handled here | ||
1003 | -- * used in subexpr() | ||
1004 | ------------------------------------------------------------------------ | ||
1005 | function luaY:simpleexp(ls, v) | ||
1006 | -- simpleexp -> NUMBER | STRING | NIL | TRUE | FALSE | constructor | ||
1007 | -- | FUNCTION body | primaryexp | ||
1008 | local c = ls.t.token | ||
1009 | if c == "TK_NUMBER" then | ||
1010 | self:init_exp(v, "VK", luaK:numberK(ls.fs, ls.t.seminfo)) | ||
1011 | self:next(ls) -- must use 'seminfo' before 'next' | ||
1012 | elseif c == "TK_STRING" then | ||
1013 | self:codestring(ls, v, ls.t.seminfo) | ||
1014 | self:next(ls) -- must use 'seminfo' before 'next' | ||
1015 | elseif c == "TK_NIL" then | ||
1016 | self:init_exp(v, "VNIL", 0) | ||
1017 | self:next(ls) | ||
1018 | elseif c == "TK_TRUE" then | ||
1019 | self:init_exp(v, "VTRUE", 0) | ||
1020 | self:next(ls) | ||
1021 | elseif c == "TK_FALSE" then | ||
1022 | self:init_exp(v, "VFALSE", 0) | ||
1023 | self:next(ls) | ||
1024 | elseif c == "{" then -- constructor | ||
1025 | self:constructor(ls, v) | ||
1026 | elseif c == "TK_FUNCTION" then | ||
1027 | self:next(ls) | ||
1028 | self:body(ls, v, false, ls.linenumber) | ||
1029 | else | ||
1030 | self:primaryexp(ls, v) | ||
1031 | end--if c | ||
1032 | end | ||
1033 | |||
1034 | ------------------------------------------------------------------------ | ||
1035 | -- Translates unary operators tokens if found, otherwise returns | ||
1036 | -- OPR_NOUNOPR. getunopr() and getbinopr() are used in subexpr(). | ||
1037 | -- * used in subexpr() | ||
1038 | ------------------------------------------------------------------------ | ||
1039 | function luaY:getunopr(op) | ||
1040 | if op == "TK_NOT" then | ||
1041 | return "OPR_NOT" | ||
1042 | elseif op == "-" then | ||
1043 | return "OPR_MINUS" | ||
1044 | else | ||
1045 | return "OPR_NOUNOPR" | ||
1046 | end | ||
1047 | end | ||
1048 | |||
1049 | ------------------------------------------------------------------------ | ||
1050 | -- Translates binary operator tokens if found, otherwise returns | ||
1051 | -- OPR_NOBINOPR. Code generation uses OPR_* style tokens. | ||
1052 | -- * used in subexpr() | ||
1053 | ------------------------------------------------------------------------ | ||
1054 | luaY.getbinopr_table = { | ||
1055 | ["+"] = "OPR_ADD", | ||
1056 | ["-"] = "OPR_SUB", | ||
1057 | ["*"] = "OPR_MULT", | ||
1058 | ["/"] = "OPR_DIV", | ||
1059 | ["^"] = "OPR_POW", | ||
1060 | ["TK_CONCAT"] = "OPR_CONCAT", | ||
1061 | ["TK_NE"] = "OPR_NE", | ||
1062 | ["TK_EQ"] = "OPR_EQ", | ||
1063 | ["<"] = "OPR_LT", | ||
1064 | ["TK_LE"] = "OPR_LE", | ||
1065 | [">"] = "OPR_GT", | ||
1066 | ["TK_GE"] = "OPR_GE", | ||
1067 | ["TK_AND"] = "OPR_AND", | ||
1068 | ["TK_OR"] = "OPR_OR", | ||
1069 | } | ||
1070 | function luaY:getbinopr(op) | ||
1071 | local opr = self.getbinopr_table[op] | ||
1072 | if opr then return opr else return "OPR_NOBINOPR" end | ||
1073 | end | ||
1074 | |||
1075 | ------------------------------------------------------------------------ | ||
1076 | -- the following priority table consists of pairs of left/right values | ||
1077 | -- for binary operators (was a static const struct); grep for ORDER OPR | ||
1078 | ------------------------------------------------------------------------ | ||
1079 | luaY.priority = { | ||
1080 | {6, 6}, {6, 6}, {7, 7}, {7, 7}, -- arithmetic | ||
1081 | {10, 9}, {5, 4}, -- power and concat (right associative) | ||
1082 | {3, 3}, {3, 3}, -- equality | ||
1083 | {3, 3}, {3, 3}, {3, 3}, {3, 3}, -- order | ||
1084 | {2, 2}, {1, 1} -- logical (and/or) | ||
1085 | } | ||
1086 | |||
1087 | luaY.UNARY_PRIORITY = 8 -- priority for unary operators | ||
1088 | |||
1089 | ------------------------------------------------------------------------ | ||
1090 | -- subexpr -> (simpleexp | unop subexpr) { binop subexpr } | ||
1091 | -- where 'binop' is any binary operator with a priority higher than 'limit' | ||
1092 | ------------------------------------------------------------------------ | ||
1093 | |||
1094 | ------------------------------------------------------------------------ | ||
1095 | -- * for priority lookups with self.priority[], 1=left and 2=right | ||
1096 | -- | ||
1097 | -- Parse subexpressions. Includes handling of unary operators and binary | ||
1098 | -- operators. A subexpr is given the rhs priority level of the operator | ||
1099 | -- immediately left of it, if any (limit is -1 if none,) and if a binop | ||
1100 | -- is found, limit is compared with the lhs priority level of the binop | ||
1101 | -- in order to determine which executes first. | ||
1102 | -- | ||
1103 | -- * recursively called | ||
1104 | -- * used in expr() | ||
1105 | ------------------------------------------------------------------------ | ||
1106 | function luaY:subexpr(ls, v, limit) | ||
1107 | self:enterlevel(ls) | ||
1108 | local uop = self:getunopr(ls.t.token) | ||
1109 | if uop ~= "OPR_NOUNOPR" then | ||
1110 | self:next(ls) | ||
1111 | self:subexpr(ls, v, self.UNARY_PRIORITY) | ||
1112 | luaK:prefix(ls.fs, uop, v) | ||
1113 | else | ||
1114 | self:simpleexp(ls, v) | ||
1115 | end | ||
1116 | -- expand while operators have priorities higher than 'limit' | ||
1117 | local op = self:getbinopr(ls.t.token) | ||
1118 | while op ~= "OPR_NOBINOPR" and self.priority[luaK.BinOpr[op] + 1][1] > limit do | ||
1119 | local v2 = {} -- expdesc | ||
1120 | self:next(ls) | ||
1121 | luaK:infix(ls.fs, op, v) | ||
1122 | -- read sub-expression with higher priority | ||
1123 | local nextop = self:subexpr(ls, v2, self.priority[luaK.BinOpr[op] + 1][2]) | ||
1124 | luaK:posfix(ls.fs, op, v, v2) | ||
1125 | op = nextop | ||
1126 | end | ||
1127 | self:leavelevel(ls) | ||
1128 | return op -- return first untreated operator | ||
1129 | end | ||
1130 | |||
1131 | ------------------------------------------------------------------------ | ||
1132 | -- Expression parsing starts here. Function subexpr is entered with the | ||
1133 | -- left operator (which is non-existent) priority of -1, which is lower | ||
1134 | -- than all actual operators. Expr information is returned in parm v. | ||
1135 | -- * used in multiple locations | ||
1136 | ------------------------------------------------------------------------ | ||
1137 | function luaY:expr(ls, v) | ||
1138 | self:subexpr(ls, v, -1) | ||
1139 | end | ||
1140 | |||
1141 | --[[-------------------------------------------------------------------- | ||
1142 | -- Rules for Statements | ||
1143 | ----------------------------------------------------------------------]] | ||
1144 | |||
1145 | ------------------------------------------------------------------------ | ||
1146 | -- checks next token, used as a look-ahead | ||
1147 | -- * returns boolean instead of 0|1 | ||
1148 | -- * used in retstat(), chunk() | ||
1149 | ------------------------------------------------------------------------ | ||
1150 | function luaY:block_follow(token) | ||
1151 | if token == "TK_ELSE" or token == "TK_ELSEIF" or token == "TK_END" | ||
1152 | or token == "TK_UNTIL" or token == "TK_EOS" then | ||
1153 | return true | ||
1154 | else | ||
1155 | return false | ||
1156 | end | ||
1157 | end | ||
1158 | |||
1159 | ------------------------------------------------------------------------ | ||
1160 | -- parse a code block or unit | ||
1161 | -- * used in multiple functions | ||
1162 | ------------------------------------------------------------------------ | ||
1163 | function luaY:block(ls) | ||
1164 | -- block -> chunk | ||
1165 | local fs = ls.fs | ||
1166 | local bl = {} -- BlockCnt | ||
1167 | self:enterblock(fs, bl, false) | ||
1168 | self:chunk(ls) | ||
1169 | lua_assert(bl.breaklist == luaK.NO_JUMP) | ||
1170 | self:leaveblock(fs) | ||
1171 | end | ||
1172 | |||
1173 | ------------------------------------------------------------------------ | ||
1174 | -- structure to chain all variables in the left-hand side of an | ||
1175 | -- assignment | ||
1176 | ------------------------------------------------------------------------ | ||
1177 | --[[-------------------------------------------------------------------- | ||
1178 | -- struct LHS_assign: | ||
1179 | -- prev -- (table: struct LHS_assign) | ||
1180 | -- v -- variable (global, local, upvalue, or indexed) (table: expdesc) | ||
1181 | ----------------------------------------------------------------------]] | ||
1182 | |||
1183 | ------------------------------------------------------------------------ | ||
1184 | -- check whether, in an assignment to a local variable, the local variable | ||
1185 | -- is needed in a previous assignment (to a table). If so, save original | ||
1186 | -- local value in a safe place and use this safe copy in the previous | ||
1187 | -- assignment. | ||
1188 | -- * used in assignment() | ||
1189 | ------------------------------------------------------------------------ | ||
1190 | function luaY:check_conflict(ls, lh, v) | ||
1191 | local fs = ls.fs | ||
1192 | local extra = fs.freereg -- eventual position to save local variable | ||
1193 | local conflict = false | ||
1194 | while lh do | ||
1195 | if lh.v.k == "VINDEXED" then | ||
1196 | if lh.v.info == v.info then -- conflict? | ||
1197 | conflict = true | ||
1198 | lh.v.info = extra -- previous assignment will use safe copy | ||
1199 | end | ||
1200 | if lh.v.aux == v.info then -- conflict? | ||
1201 | conflict = true | ||
1202 | lh.v.aux = extra -- previous assignment will use safe copy | ||
1203 | end | ||
1204 | end | ||
1205 | lh = lh.prev | ||
1206 | end | ||
1207 | if conflict then | ||
1208 | luaK:codeABC(fs, "OP_MOVE", fs.freereg, v.info, 0) -- make copy | ||
1209 | luaK:reserveregs(fs, 1) | ||
1210 | end | ||
1211 | end | ||
1212 | |||
1213 | ------------------------------------------------------------------------ | ||
1214 | -- parse a variable assignment sequence | ||
1215 | -- * recursively called | ||
1216 | -- * used in exprstat() | ||
1217 | ------------------------------------------------------------------------ | ||
1218 | function luaY:assignment(ls, lh, nvars) | ||
1219 | local e = {} -- expdesc | ||
1220 | -- test was: VLOCAL <= lh->v.k && lh->v.k <= VINDEXED | ||
1221 | local c = lh.v.k | ||
1222 | self:check_condition(ls, c == "VLOCAL" or c == "VUPVAL" or c == "VGLOBAL" | ||
1223 | or c == "VINDEXED", "syntax error") | ||
1224 | if self:testnext(ls, ",") then -- assignment -> ',' primaryexp assignment | ||
1225 | local nv = {} -- LHS_assign | ||
1226 | nv.v = {} | ||
1227 | nv.prev = lh | ||
1228 | self:primaryexp(ls, nv.v) | ||
1229 | if nv.v.k == "VLOCAL" then | ||
1230 | self:check_conflict(ls, lh, nv.v) | ||
1231 | end | ||
1232 | self:assignment(ls, nv, nvars + 1) | ||
1233 | else -- assignment -> '=' explist1 | ||
1234 | self:check(ls, "=") | ||
1235 | local nexps = self:explist1(ls, e) | ||
1236 | if nexps ~= nvars then | ||
1237 | self:adjust_assign(ls, nvars, nexps, e) | ||
1238 | if nexps > nvars then | ||
1239 | ls.fs.freereg = ls.fs.freereg - (nexps - nvars) -- remove extra values | ||
1240 | end | ||
1241 | else | ||
1242 | luaK:setcallreturns(ls.fs, e, 1) -- close last expression | ||
1243 | luaK:storevar(ls.fs, lh.v, e) | ||
1244 | return -- avoid default | ||
1245 | end | ||
1246 | end | ||
1247 | self:init_exp(e, "VNONRELOC", ls.fs.freereg - 1) -- default assignment | ||
1248 | luaK:storevar(ls.fs, lh.v, e) | ||
1249 | end | ||
1250 | |||
1251 | ------------------------------------------------------------------------ | ||
1252 | -- parse condition in a repeat statement or an if control structure | ||
1253 | -- * used in repeatstat(), test_then_block() | ||
1254 | ------------------------------------------------------------------------ | ||
1255 | function luaY:cond(ls, v) | ||
1256 | -- cond -> exp | ||
1257 | self:expr(ls, v) -- read condition | ||
1258 | if v.k == "VNIL" then v.k = "VFALSE" end -- 'falses' are all equal here | ||
1259 | luaK:goiftrue(ls.fs, v) | ||
1260 | luaK:patchtohere(ls.fs, v.t) | ||
1261 | end | ||
1262 | |||
1263 | ------------------------------------------------------------------------ | ||
1264 | -- The while statement optimizes its code by coding the condition | ||
1265 | -- after its body (and thus avoiding one jump in the loop). | ||
1266 | ------------------------------------------------------------------------ | ||
1267 | |||
1268 | ------------------------------------------------------------------------ | ||
1269 | -- maximum size of expressions for optimizing 'while' code | ||
1270 | ------------------------------------------------------------------------ | ||
1271 | if not luaY.MAXEXPWHILE then | ||
1272 | luaY.MAXEXPWHILE = 100 | ||
1273 | end | ||
1274 | |||
1275 | ------------------------------------------------------------------------ | ||
1276 | -- the call 'luaK_goiffalse' may grow the size of an expression by | ||
1277 | -- at most this: | ||
1278 | ------------------------------------------------------------------------ | ||
1279 | luaY.EXTRAEXP = 5 | ||
1280 | |||
1281 | ------------------------------------------------------------------------ | ||
1282 | -- parse a while-do control structure, body processed by block() | ||
1283 | -- * with dynamic array sizes, MAXEXPWHILE + EXTRAEXP limits imposed by | ||
1284 | -- the function's implementation can be removed | ||
1285 | -- * used in statements() | ||
1286 | ------------------------------------------------------------------------ | ||
1287 | function luaY:whilestat(ls, line) | ||
1288 | -- whilestat -> WHILE cond DO block END | ||
1289 | -- array size of [MAXEXPWHILE + EXTRAEXP] no longer required | ||
1290 | local codeexp = {} -- Instruction | ||
1291 | local fs = ls.fs | ||
1292 | local v = {} -- expdesc | ||
1293 | local bl = {} -- BlockCnt | ||
1294 | self:next(ls) -- skip WHILE | ||
1295 | local whileinit = luaK:jump(fs) -- jump to condition (which will be moved) | ||
1296 | local expinit = luaK:getlabel(fs) | ||
1297 | self:expr(ls, v) -- parse condition | ||
1298 | if v.k == "VK" then v.k = "VTRUE" end -- 'trues' are all equal here | ||
1299 | local lineexp = ls.linenumber | ||
1300 | luaK:goiffalse(fs, v) | ||
1301 | v.f = luaK:concat(fs, v.f, fs.jpc) | ||
1302 | fs.jpc = luaK.NO_JUMP | ||
1303 | local sizeexp = fs.pc - expinit -- size of expression code | ||
1304 | if sizeexp > self.MAXEXPWHILE then | ||
1305 | luaX:syntaxerror(ls, "`while' condition too complex") | ||
1306 | end | ||
1307 | for i = 0, sizeexp - 1 do -- save 'exp' code | ||
1308 | codeexp[i] = fs.f.code[expinit + i] | ||
1309 | end | ||
1310 | fs.pc = expinit -- remove 'exp' code | ||
1311 | self:enterblock(fs, bl, true) | ||
1312 | self:check(ls, "TK_DO") | ||
1313 | local blockinit = luaK:getlabel(fs) | ||
1314 | self:block(ls) | ||
1315 | luaK:patchtohere(fs, whileinit) -- initial jump jumps to here | ||
1316 | -- move 'exp' back to code | ||
1317 | if v.t ~= luaK.NO_JUMP then v.t = v.t + fs.pc - expinit end | ||
1318 | if v.f ~= luaK.NO_JUMP then v.f = v.f + fs.pc - expinit end | ||
1319 | for i = 0, sizeexp - 1 do | ||
1320 | luaK:code(fs, codeexp[i], lineexp) | ||
1321 | end | ||
1322 | self:check_match(ls, "TK_END", "TK_WHILE", line) | ||
1323 | self:leaveblock(fs) | ||
1324 | luaK:patchlist(fs, v.t, blockinit) -- true conditions go back to loop | ||
1325 | luaK:patchtohere(fs, v.f) -- false conditions finish the loop | ||
1326 | end | ||
1327 | |||
1328 | ------------------------------------------------------------------------ | ||
1329 | -- parse a repeat-until control structure, body parsed by block() | ||
1330 | -- * used in statements() | ||
1331 | ------------------------------------------------------------------------ | ||
1332 | function luaY:repeatstat(ls, line) | ||
1333 | -- repeatstat -> REPEAT block UNTIL cond | ||
1334 | local fs = ls.fs | ||
1335 | local repeat_init = luaK:getlabel(fs) | ||
1336 | local v = {} -- expdesc | ||
1337 | local bl = {} -- BlockCnt | ||
1338 | self:enterblock(fs, bl, true) | ||
1339 | self:next(ls) | ||
1340 | self:block(ls) | ||
1341 | self:check_match(ls, "TK_UNTIL", "TK_REPEAT", line) | ||
1342 | self:cond(ls, v) | ||
1343 | luaK:patchlist(fs, v.f, repeat_init) | ||
1344 | self:leaveblock(fs) | ||
1345 | end | ||
1346 | |||
1347 | ------------------------------------------------------------------------ | ||
1348 | -- parse the single expressions needed in numerical for loops | ||
1349 | -- * used in fornum() | ||
1350 | ------------------------------------------------------------------------ | ||
1351 | function luaY:exp1(ls) | ||
1352 | local e = {} -- expdesc | ||
1353 | self:expr(ls, e) | ||
1354 | local k = e.k | ||
1355 | luaK:exp2nextreg(ls.fs, e) | ||
1356 | return k | ||
1357 | end | ||
1358 | |||
1359 | ------------------------------------------------------------------------ | ||
1360 | -- parse a for loop body for both versions of the for loop | ||
1361 | -- * used in fornum(), forlist() | ||
1362 | ------------------------------------------------------------------------ | ||
1363 | function luaY:forbody(ls, base, line, nvars, isnum) | ||
1364 | local bl = {} -- BlockCnt | ||
1365 | local fs = ls.fs | ||
1366 | self:adjustlocalvars(ls, nvars) -- scope for all variables | ||
1367 | self:check(ls, "TK_DO") | ||
1368 | self:enterblock(fs, bl, true) -- loop block | ||
1369 | local prep = luaK:getlabel(fs) | ||
1370 | self:block(ls) | ||
1371 | luaK:patchtohere(fs, prep - 1) | ||
1372 | local endfor = isnum and luaK:codeAsBx(fs, "OP_FORLOOP", base, luaK.NO_JUMP) | ||
1373 | or luaK:codeABC(fs, "OP_TFORLOOP", base, 0, nvars - 3) | ||
1374 | luaK:fixline(fs, line) -- pretend that 'OP_FOR' starts the loop | ||
1375 | luaK:patchlist(fs, isnum and endfor or luaK:jump(fs), prep) | ||
1376 | self:leaveblock(fs) | ||
1377 | end | ||
1378 | |||
1379 | ------------------------------------------------------------------------ | ||
1380 | -- parse a numerical for loop, calls forbody() | ||
1381 | -- * used in forstat() | ||
1382 | ------------------------------------------------------------------------ | ||
1383 | function luaY:fornum(ls, varname, line) | ||
1384 | -- fornum -> NAME = exp1,exp1[,exp1] DO body | ||
1385 | local fs = ls.fs | ||
1386 | local base = fs.freereg | ||
1387 | self:new_localvar(ls, varname, 0) | ||
1388 | self:new_localvarstr(ls, "(for limit)", 1) | ||
1389 | self:new_localvarstr(ls, "(for step)", 2) | ||
1390 | self:check(ls, "=") | ||
1391 | self:exp1(ls) -- initial value | ||
1392 | self:check(ls, ",") | ||
1393 | self:exp1(ls) -- limit | ||
1394 | if self:testnext(ls, ",") then | ||
1395 | self:exp1(ls) -- optional step | ||
1396 | else -- default step = 1 | ||
1397 | luaK:codeABx(fs, "OP_LOADK", fs.freereg, luaK:numberK(fs, 1)) | ||
1398 | luaK:reserveregs(fs, 1) | ||
1399 | end | ||
1400 | luaK:codeABC(fs, "OP_SUB", fs.freereg - 3, fs.freereg - 3, fs.freereg - 1) | ||
1401 | luaK:jump(fs) | ||
1402 | self:forbody(ls, base, line, 3, true) | ||
1403 | end | ||
1404 | |||
1405 | ------------------------------------------------------------------------ | ||
1406 | -- parse a generic for loop, calls forbody() | ||
1407 | -- * used in forstat() | ||
1408 | ------------------------------------------------------------------------ | ||
1409 | function luaY:forlist(ls, indexname) | ||
1410 | -- forlist -> NAME {,NAME} IN explist1 DO body | ||
1411 | local fs = ls.fs | ||
1412 | local e = {} -- expdesc | ||
1413 | local nvars = 0 | ||
1414 | local base = fs.freereg | ||
1415 | self:new_localvarstr(ls, "(for generator)", nvars) | ||
1416 | nvars = nvars + 1 | ||
1417 | self:new_localvarstr(ls, "(for state)", nvars) | ||
1418 | nvars = nvars + 1 | ||
1419 | self:new_localvar(ls, indexname, nvars) | ||
1420 | nvars = nvars + 1 | ||
1421 | while self:testnext(ls, ",") do | ||
1422 | self:new_localvar(ls, self:str_checkname(ls), nvars) | ||
1423 | nvars = nvars + 1 | ||
1424 | end | ||
1425 | self:check(ls, "TK_IN") | ||
1426 | local line = ls.linenumber | ||
1427 | self:adjust_assign(ls, nvars, self:explist1(ls, e), e) | ||
1428 | luaK:checkstack(fs, 3) -- extra space to call generator | ||
1429 | luaK:codeAsBx(fs, "OP_TFORPREP", base, luaK.NO_JUMP) | ||
1430 | self:forbody(ls, base, line, nvars, false) | ||
1431 | end | ||
1432 | |||
1433 | ------------------------------------------------------------------------ | ||
1434 | -- initial parsing for a for loop, calls fornum() or forlist() | ||
1435 | -- * used in statements() | ||
1436 | ------------------------------------------------------------------------ | ||
1437 | function luaY:forstat(ls, line) | ||
1438 | -- forstat -> fornum | forlist | ||
1439 | local fs = ls.fs | ||
1440 | local bl = {} -- BlockCnt | ||
1441 | self:enterblock(fs, bl, false) -- block to control variable scope | ||
1442 | self:next(ls) -- skip 'for' | ||
1443 | local varname = self:str_checkname(ls) -- first variable name | ||
1444 | local c = ls.t.token | ||
1445 | if c == "=" then | ||
1446 | self:fornum(ls, varname, line) | ||
1447 | elseif c == "," or c == "TK_IN" then | ||
1448 | self:forlist(ls, varname) | ||
1449 | else | ||
1450 | luaX:syntaxerror(ls, "`=' or `in' expected") | ||
1451 | end | ||
1452 | self:check_match(ls, "TK_END", "TK_FOR", line) | ||
1453 | self:leaveblock(fs) | ||
1454 | end | ||
1455 | |||
1456 | ------------------------------------------------------------------------ | ||
1457 | -- parse part of an if control structure, including the condition | ||
1458 | -- * used in ifstat() | ||
1459 | ------------------------------------------------------------------------ | ||
1460 | function luaY:test_then_block(ls, v) | ||
1461 | -- test_then_block -> [IF | ELSEIF] cond THEN block | ||
1462 | self:next(ls) -- skip IF or ELSEIF | ||
1463 | self:cond(ls, v) | ||
1464 | self:check(ls, "TK_THEN") | ||
1465 | self:block(ls) -- 'then' part | ||
1466 | end | ||
1467 | |||
1468 | ------------------------------------------------------------------------ | ||
1469 | -- parse an if control structure | ||
1470 | -- * used in statements() | ||
1471 | ------------------------------------------------------------------------ | ||
1472 | function luaY:ifstat(ls, line) | ||
1473 | -- ifstat -> IF cond THEN block {ELSEIF cond THEN block} [ELSE block] END | ||
1474 | local fs = ls.fs | ||
1475 | local v = {} -- expdesc | ||
1476 | local escapelist = luaK.NO_JUMP | ||
1477 | self:test_then_block(ls, v) -- IF cond THEN block | ||
1478 | while ls.t.token == "TK_ELSEIF" do | ||
1479 | escapelist = luaK:concat(fs, escapelist, luaK:jump(fs)) | ||
1480 | luaK:patchtohere(fs, v.f) | ||
1481 | self:test_then_block(ls, v) -- ELSEIF cond THEN block | ||
1482 | end | ||
1483 | if ls.t.token == "TK_ELSE" then | ||
1484 | escapelist = luaK:concat(fs, escapelist, luaK:jump(fs)) | ||
1485 | luaK:patchtohere(fs, v.f) | ||
1486 | self:next(ls) -- skip ELSE (after patch, for correct line info) | ||
1487 | self:block(ls) -- 'else' part | ||
1488 | else | ||
1489 | escapelist = luaK:concat(fs, escapelist, v.f) | ||
1490 | end | ||
1491 | luaK:patchtohere(fs, escapelist) | ||
1492 | self:check_match(ls, "TK_END", "TK_IF", line) | ||
1493 | end | ||
1494 | |||
1495 | ------------------------------------------------------------------------ | ||
1496 | -- parse a local function statement | ||
1497 | -- * used in statements() | ||
1498 | ------------------------------------------------------------------------ | ||
1499 | function luaY:localfunc(ls) | ||
1500 | local v, b = {}, {} -- expdesc | ||
1501 | local fs = ls.fs | ||
1502 | self:new_localvar(ls, self:str_checkname(ls), 0) | ||
1503 | self:init_exp(v, "VLOCAL", fs.freereg) | ||
1504 | luaK:reserveregs(fs, 1) | ||
1505 | self:adjustlocalvars(ls, 1) | ||
1506 | self:body(ls, b, false, ls.linenumber) | ||
1507 | luaK:storevar(fs, v, b) | ||
1508 | -- debug information will only see the variable after this point! | ||
1509 | self:getlocvar(fs, fs.nactvar - 1).startpc = fs.pc | ||
1510 | end | ||
1511 | |||
1512 | ------------------------------------------------------------------------ | ||
1513 | -- parse a local variable declaration statement | ||
1514 | -- * used in statements() | ||
1515 | ------------------------------------------------------------------------ | ||
1516 | function luaY:localstat(ls) | ||
1517 | -- stat -> LOCAL NAME {',' NAME} ['=' explist1] | ||
1518 | local nvars = 0 | ||
1519 | local nexps | ||
1520 | local e = {} -- expdesc | ||
1521 | repeat | ||
1522 | self:new_localvar(ls, self:str_checkname(ls), nvars) | ||
1523 | nvars = nvars + 1 | ||
1524 | until not self:testnext(ls, ",") | ||
1525 | if self:testnext(ls, "=") then | ||
1526 | nexps = self:explist1(ls, e) | ||
1527 | else | ||
1528 | e.k = "VVOID" | ||
1529 | nexps = 0 | ||
1530 | end | ||
1531 | self:adjust_assign(ls, nvars, nexps, e) | ||
1532 | self:adjustlocalvars(ls, nvars) | ||
1533 | end | ||
1534 | |||
1535 | ------------------------------------------------------------------------ | ||
1536 | -- parse a function name specification | ||
1537 | -- * used in funcstat() | ||
1538 | ------------------------------------------------------------------------ | ||
1539 | function luaY:funcname(ls, v) | ||
1540 | -- funcname -> NAME {field} [':' NAME] | ||
1541 | local needself = false | ||
1542 | self:singlevar(ls, v, 1) | ||
1543 | while ls.t.token == "." do | ||
1544 | self:field(ls, v) | ||
1545 | end | ||
1546 | if ls.t.token == ":" then | ||
1547 | needself = true | ||
1548 | self:field(ls, v) | ||
1549 | end | ||
1550 | return needself | ||
1551 | end | ||
1552 | |||
1553 | ------------------------------------------------------------------------ | ||
1554 | -- parse a function statement | ||
1555 | -- * used in statements() | ||
1556 | ------------------------------------------------------------------------ | ||
1557 | function luaY:funcstat(ls, line) | ||
1558 | -- funcstat -> FUNCTION funcname body | ||
1559 | local v, b = {}, {} -- expdesc | ||
1560 | self:next(ls) -- skip FUNCTION | ||
1561 | local needself = self:funcname(ls, v) | ||
1562 | self:body(ls, b, needself, line) | ||
1563 | luaK:storevar(ls.fs, v, b) | ||
1564 | luaK:fixline(ls.fs, line) -- definition 'happens' in the first line | ||
1565 | end | ||
1566 | |||
1567 | ------------------------------------------------------------------------ | ||
1568 | -- parse a function call with no returns or an assignment statement | ||
1569 | -- * used in statements() | ||
1570 | ------------------------------------------------------------------------ | ||
1571 | function luaY:exprstat(ls) | ||
1572 | -- stat -> func | assignment | ||
1573 | local fs = ls.fs | ||
1574 | local v = {} -- LHS_assign | ||
1575 | v.v = {} | ||
1576 | self:primaryexp(ls, v.v) | ||
1577 | if v.v.k == "VCALL" then -- stat -> func | ||
1578 | luaK:setcallreturns(fs, v.v, 0) -- call statement uses no results | ||
1579 | else -- stat -> assignment | ||
1580 | v.prev = nil | ||
1581 | self:assignment(ls, v, 1) | ||
1582 | end | ||
1583 | end | ||
1584 | |||
1585 | ------------------------------------------------------------------------ | ||
1586 | -- parse a return statement | ||
1587 | -- * used in statements() | ||
1588 | ------------------------------------------------------------------------ | ||
1589 | function luaY:retstat(ls) | ||
1590 | -- stat -> RETURN explist | ||
1591 | local fs = ls.fs | ||
1592 | local e = {} -- expdesc | ||
1593 | local first, nret -- registers with returned values | ||
1594 | self:next(ls) -- skip RETURN | ||
1595 | if self:block_follow(ls.t.token) or ls.t.token == ";" then | ||
1596 | first, nret = 0, 0 -- return no values | ||
1597 | else | ||
1598 | nret = self:explist1(ls, e) -- optional return values | ||
1599 | if e.k == "VCALL" then | ||
1600 | luaK:setcallreturns(fs, e, self.LUA_MULTRET) | ||
1601 | if nret == 1 then -- tail call? | ||
1602 | luaP:SET_OPCODE(luaK:getcode(fs, e), "OP_TAILCALL") | ||
1603 | lua_assert(luaP:GETARG_A(luaK:getcode(fs, e)) == fs.nactvar) | ||
1604 | end | ||
1605 | first = fs.nactvar | ||
1606 | nret = self.LUA_MULTRET -- return all values | ||
1607 | else | ||
1608 | if nret == 1 then -- only one single value? | ||
1609 | first = luaK:exp2anyreg(fs, e) | ||
1610 | else | ||
1611 | luaK:exp2nextreg(fs, e) -- values must go to the 'stack' | ||
1612 | first = fs.nactvar -- return all 'active' values | ||
1613 | lua_assert(nret == fs.freereg - first) | ||
1614 | end | ||
1615 | end--if | ||
1616 | end--if | ||
1617 | luaK:codeABC(fs, "OP_RETURN", first, nret + 1, 0) | ||
1618 | end | ||
1619 | |||
1620 | ------------------------------------------------------------------------ | ||
1621 | -- parse a break statement | ||
1622 | -- * used in statements() | ||
1623 | ------------------------------------------------------------------------ | ||
1624 | function luaY:breakstat(ls) | ||
1625 | -- stat -> BREAK | ||
1626 | local fs = ls.fs | ||
1627 | local bl = fs.bl | ||
1628 | local upval = false | ||
1629 | self:next(ls) -- skip BREAK | ||
1630 | while bl and not bl.isbreakable do | ||
1631 | if bl.upval then upval = true end | ||
1632 | bl = bl.previous | ||
1633 | end | ||
1634 | if not bl then | ||
1635 | luaX:syntaxerror(ls, "no loop to break") | ||
1636 | end | ||
1637 | if upval then | ||
1638 | luaK:codeABC(fs, "OP_CLOSE", bl.nactvar, 0, 0) | ||
1639 | end | ||
1640 | bl.breaklist = luaK:concat(fs, bl.breaklist, luaK:jump(fs)) | ||
1641 | end | ||
1642 | |||
1643 | ------------------------------------------------------------------------ | ||
1644 | -- initial parsing for statements, calls a lot of functions | ||
1645 | -- * returns boolean instead of 0|1 | ||
1646 | -- * used in chunk() | ||
1647 | ------------------------------------------------------------------------ | ||
1648 | function luaY:statement(ls) | ||
1649 | local line = ls.linenumber -- may be needed for error messages | ||
1650 | local c = ls.t.token | ||
1651 | if c == "TK_IF" then -- stat -> ifstat | ||
1652 | self:ifstat(ls, line) | ||
1653 | return false | ||
1654 | elseif c == "TK_WHILE" then -- stat -> whilestat | ||
1655 | self:whilestat(ls, line) | ||
1656 | return false | ||
1657 | elseif c == "TK_DO" then -- stat -> DO block END | ||
1658 | self:next(ls) -- skip DO | ||
1659 | self:block(ls) | ||
1660 | self:check_match(ls, "TK_END", "TK_DO", line) | ||
1661 | return false | ||
1662 | elseif c == "TK_FOR" then -- stat -> forstat | ||
1663 | self:forstat(ls, line) | ||
1664 | return false | ||
1665 | elseif c == "TK_REPEAT" then -- stat -> repeatstat | ||
1666 | self:repeatstat(ls, line) | ||
1667 | return false | ||
1668 | elseif c == "TK_FUNCTION" then -- stat -> funcstat | ||
1669 | self:funcstat(ls, line) | ||
1670 | return false | ||
1671 | elseif c == "TK_LOCAL" then -- stat -> localstat | ||
1672 | self:next(ls) -- skip LOCAL | ||
1673 | if self:testnext(ls, "TK_FUNCTION") then -- local function? | ||
1674 | self:localfunc(ls) | ||
1675 | else | ||
1676 | self:localstat(ls) | ||
1677 | end | ||
1678 | return false | ||
1679 | elseif c == "TK_RETURN" then -- stat -> retstat | ||
1680 | self:retstat(ls) | ||
1681 | return true -- must be last statement | ||
1682 | elseif c == "TK_BREAK" then -- stat -> breakstat | ||
1683 | self:breakstat(ls) | ||
1684 | return true -- must be last statement | ||
1685 | else | ||
1686 | self:exprstat(ls) | ||
1687 | return false -- to avoid warnings | ||
1688 | end--if c | ||
1689 | end | ||
1690 | |||
1691 | ------------------------------------------------------------------------ | ||
1692 | -- parse a chunk, which consists of a bunch of statements | ||
1693 | -- * used in parser(), body(), block() | ||
1694 | ------------------------------------------------------------------------ | ||
1695 | function luaY:chunk(ls) | ||
1696 | -- chunk -> { stat [';'] } | ||
1697 | local islast = false | ||
1698 | self:enterlevel(ls) | ||
1699 | while not islast and not self:block_follow(ls.t.token) do | ||
1700 | islast = self:statement(ls) | ||
1701 | self:testnext(ls, ";") | ||
1702 | lua_assert(ls.fs.freereg >= ls.fs.nactvar) | ||
1703 | ls.fs.freereg = ls.fs.nactvar -- free registers | ||
1704 | end | ||
1705 | self:leavelevel(ls) | ||
1706 | end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/luac.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/luac.lua deleted file mode 100644 index 80cc4a5..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/luac.lua +++ /dev/null | |||
@@ -1,71 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | luac.lua | ||
4 | Primitive luac in Lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * based on luac.lua in the test directory of the 5.0.3 distribution | ||
18 | -- * usage: lua luac.lua file.lua | ||
19 | ----------------------------------------------------------------------]] | ||
20 | |||
21 | ------------------------------------------------------------------------ | ||
22 | -- load and initialize the required modules | ||
23 | ------------------------------------------------------------------------ | ||
24 | require("lzio.lua") | ||
25 | require("llex.lua") | ||
26 | require("lopcodes.lua") | ||
27 | require("ldump.lua") | ||
28 | require("lcode.lua") | ||
29 | require("lparser.lua") | ||
30 | |||
31 | luaX:init() -- required by llex | ||
32 | local LuaState = {} -- dummy, not actually used, but retained since | ||
33 | -- the intention is to complete a straight port | ||
34 | |||
35 | ------------------------------------------------------------------------ | ||
36 | -- interfacing to yueliang | ||
37 | ------------------------------------------------------------------------ | ||
38 | |||
39 | -- currently asserts are enabled because the codebase hasn't been tested | ||
40 | -- much (if you don't want asserts, just comment them out) | ||
41 | function lua_assert(test) | ||
42 | if not test then error("assertion failed!") end | ||
43 | end | ||
44 | |||
45 | function yloadfile(filename) | ||
46 | -- luaZ:make_getF returns a file chunk reader | ||
47 | -- luaZ:init returns a zio input stream | ||
48 | local zio = luaZ:init(luaZ:make_getF(filename), nil, "@"..filename) | ||
49 | if not zio then return end | ||
50 | -- luaY:parser parses the input stream | ||
51 | -- func is the function prototype in tabular form; in C, func can | ||
52 | -- now be used directly by the VM, this can't be done in Lua | ||
53 | local func = luaY:parser(LuaState, zio, nil) | ||
54 | -- luaU:make_setS returns a string chunk writer | ||
55 | local writer, buff = luaU:make_setS() | ||
56 | -- luaU:dump builds a binary chunk | ||
57 | luaU:dump(LuaState, func, writer, buff) | ||
58 | -- a string.dump equivalent in returned | ||
59 | return buff.data | ||
60 | end | ||
61 | |||
62 | ------------------------------------------------------------------------ | ||
63 | -- command line interface | ||
64 | ------------------------------------------------------------------------ | ||
65 | |||
66 | assert(arg[1] ~= nil and arg[2] == nil, "usage: lua luac.lua file.lua") | ||
67 | local f = assert(io.open("luac.out","wb")) | ||
68 | f:write(assert(yloadfile(arg[1]))) | ||
69 | io.close(f) | ||
70 | |||
71 | --end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lzio.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lzio.lua deleted file mode 100644 index 7b98246..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/lzio.lua +++ /dev/null | |||
@@ -1,120 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | lzio.lua | ||
4 | Lua 5 buffered streams in Lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * EOZ is implemented as a string, "EOZ" | ||
18 | -- * Format of z structure (ZIO) | ||
19 | -- z.n -- bytes still unread | ||
20 | -- z.p -- last read position in buffer | ||
21 | -- z.reader -- chunk reader function | ||
22 | -- z.data -- additional data | ||
23 | -- z.name -- name of stream | ||
24 | -- * Current position, p, is now last read index instead of a pointer | ||
25 | -- | ||
26 | -- Not implemented: | ||
27 | -- * luaZ_lookahead: used only in lapi.c:lua_load to detect binary chunk | ||
28 | -- * luaZ_read: used only in lundump.c:ezread to read +1 bytes | ||
29 | -- * luaZ_openspace: dropped; let Lua handle buffers as strings | ||
30 | -- * luaZ buffer macros: dropped; unused for now | ||
31 | -- | ||
32 | -- Alternatives: | ||
33 | -- * zname(z) is z.name | ||
34 | -- | ||
35 | -- Added: | ||
36 | -- (both of the following are vaguely adapted from lauxlib.c) | ||
37 | -- * luaZ:make_getS: create Chunkreader from a string | ||
38 | -- * luaZ:make_getF: create Chunkreader that reads from a file | ||
39 | ----------------------------------------------------------------------]] | ||
40 | |||
41 | luaZ = {} | ||
42 | |||
43 | ------------------------------------------------------------------------ | ||
44 | -- * reader() should return a string, or nil if nothing else to parse. | ||
45 | -- Unlike Chunkreaders, there are no arguments like additional data | ||
46 | -- * Chunkreaders are handled in lauxlib.h, see luaL_load(file|buffer) | ||
47 | -- * Original Chunkreader: | ||
48 | -- const char * (*lua_Chunkreader) (lua_State *L, void *ud, size_t *sz); | ||
49 | -- * This Lua chunk reader implementation: | ||
50 | -- returns string or nil, no arguments to function | ||
51 | ------------------------------------------------------------------------ | ||
52 | |||
53 | ------------------------------------------------------------------------ | ||
54 | -- create a chunk reader from a source string | ||
55 | ------------------------------------------------------------------------ | ||
56 | function luaZ:make_getS(buff) | ||
57 | local b = buff | ||
58 | return function() -- chunk reader anonymous function here | ||
59 | if not b then return nil end | ||
60 | local data = b | ||
61 | b = nil | ||
62 | return data | ||
63 | end | ||
64 | end | ||
65 | |||
66 | ------------------------------------------------------------------------ | ||
67 | -- create a chunk reader from a source file | ||
68 | ------------------------------------------------------------------------ | ||
69 | function luaZ:make_getF(filename) | ||
70 | local LUAL_BUFFERSIZE = 512 | ||
71 | local h = io.open(filename, "r") | ||
72 | if not h then return nil end | ||
73 | return function() -- chunk reader anonymous function here | ||
74 | if not h or io.type(h) == "closed file" then return nil end | ||
75 | local buff = h:read(LUAL_BUFFERSIZE) | ||
76 | if not buff then h:close(); h = nil end | ||
77 | return buff | ||
78 | end | ||
79 | end | ||
80 | |||
81 | ------------------------------------------------------------------------ | ||
82 | -- creates a zio input stream | ||
83 | -- returns the ZIO structure, z | ||
84 | ------------------------------------------------------------------------ | ||
85 | function luaZ:init(reader, data, name) | ||
86 | if not reader then return end | ||
87 | local z = {} | ||
88 | z.reader = reader | ||
89 | z.data = data or "" | ||
90 | z.name = name | ||
91 | -- set up additional data for reading | ||
92 | if not data or data == "" then z.n = 0 else z.n = string.len(data) end | ||
93 | z.p = 0 | ||
94 | return z | ||
95 | end | ||
96 | |||
97 | ------------------------------------------------------------------------ | ||
98 | -- fill up input buffer | ||
99 | ------------------------------------------------------------------------ | ||
100 | function luaZ:fill(z) | ||
101 | local data = z.reader() | ||
102 | z.data = data | ||
103 | if not data or data == "" then return "EOZ" end | ||
104 | z.n = string.len(data) - 1 | ||
105 | z.p = 1 | ||
106 | return string.sub(data, 1, 1) | ||
107 | end | ||
108 | |||
109 | ------------------------------------------------------------------------ | ||
110 | -- get next character from the input stream | ||
111 | ------------------------------------------------------------------------ | ||
112 | function luaZ:zgetc(z) | ||
113 | if z.n > 0 then | ||
114 | z.n = z.n - 1 | ||
115 | z.p = z.p + 1 | ||
116 | return string.sub(z.data, z.p, z.p) | ||
117 | else | ||
118 | return self:fill(z) | ||
119 | end | ||
120 | end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/bench_llex.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/bench_llex.lua deleted file mode 100644 index 0c9403e..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/bench_llex.lua +++ /dev/null | |||
@@ -1,99 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | bench_llex.lua | ||
4 | Benchmark test for llex.lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | require("../lzio") | ||
16 | require("../llex") | ||
17 | luaX:init() | ||
18 | |||
19 | ------------------------------------------------------------------------ | ||
20 | -- load in a standard set of sample files | ||
21 | -- * file set is 5.0.3 front end set sans luac.lua | ||
22 | ------------------------------------------------------------------------ | ||
23 | |||
24 | local fileset, totalsize = {}, 0 | ||
25 | for fn in string.gfind([[ | ||
26 | ../lcode.lua | ||
27 | ../ldump.lua | ||
28 | ../llex.lua | ||
29 | ../lopcodes.lua | ||
30 | ../lparser.lua | ||
31 | ../lzio.lua | ||
32 | ]], "%S+") do | ||
33 | table.insert(fileset, fn) | ||
34 | end | ||
35 | |||
36 | for i = 1, table.getn(fileset) do | ||
37 | local fn = fileset[i] | ||
38 | local inf = io.open(fn, "rb") | ||
39 | if not inf then | ||
40 | error("failed to open "..fn.." for reading") | ||
41 | end | ||
42 | local data = inf:read("*a") | ||
43 | local data_sz = string.len(data) | ||
44 | inf:close() | ||
45 | if not data or data_sz == 0 then | ||
46 | error("failed to read data from "..fn.." or file is zero-length") | ||
47 | end | ||
48 | totalsize = totalsize + data_sz | ||
49 | fileset[i] = data | ||
50 | end | ||
51 | |||
52 | ------------------------------------------------------------------------ | ||
53 | -- benchmark tester | ||
54 | ------------------------------------------------------------------------ | ||
55 | |||
56 | local DURATION = 5 -- how long the benchmark should run | ||
57 | |||
58 | local L = {} -- LuaState | ||
59 | local LS = {} -- LexState | ||
60 | |||
61 | local time = os.time | ||
62 | local lexedsize = 0 | ||
63 | local tnow, elapsed = time(), 0 | ||
64 | |||
65 | while time() == tnow do end -- wait for second to click over | ||
66 | tnow = time() | ||
67 | |||
68 | while true do | ||
69 | for i = 1, table.getn(fileset) do | ||
70 | ------------------------------------------------------------ | ||
71 | local chunk = fileset[i] | ||
72 | local z = luaZ:init(luaZ:make_getS(chunk), nil, "=string") | ||
73 | luaX:setinput(L, LS, z, z.name) | ||
74 | while true do | ||
75 | LS.t.token = luaX:lex(LS, LS.t) | ||
76 | local tok, seminfo = LS.t.token, LS.t.seminfo | ||
77 | if tok == "TK_EOS" then break end | ||
78 | end | ||
79 | ------------------------------------------------------------ | ||
80 | lexedsize = lexedsize + string.len(chunk) | ||
81 | if time() > tnow then | ||
82 | tnow = time() | ||
83 | elapsed = elapsed + 1 | ||
84 | if elapsed >= DURATION then | ||
85 | -- report performance of lexer | ||
86 | lexedsize = lexedsize / 1024 | ||
87 | local speed = lexedsize / DURATION | ||
88 | print("Lexer performance:") | ||
89 | print("Size of data lexed (KB): "..string.format("%.1f", lexedsize)) | ||
90 | print("Speed of lexer (KB/s): "..string.format("%.1f", speed)) | ||
91 | -- repeat until user breaks program | ||
92 | elapsed = 0 | ||
93 | end | ||
94 | end | ||
95 | ------------------------------------------------------------ | ||
96 | end--for | ||
97 | end--while | ||
98 | |||
99 | -- end of script | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/sample.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/sample.lua deleted file mode 100644 index dc6eaee..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/sample.lua +++ /dev/null | |||
@@ -1,3 +0,0 @@ | |||
1 | local a = 47 | ||
2 | local b = "hello, world!" | ||
3 | print(a, b) | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_ldump.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_ldump.lua deleted file mode 100644 index d867688..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_ldump.lua +++ /dev/null | |||
@@ -1,98 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | test_ldump.lua | ||
4 | Test for ldump.lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | ------------------------------------------------------------------------ | ||
16 | -- test dump chunkwriter style | ||
17 | ------------------------------------------------------------------------ | ||
18 | |||
19 | require("../lopcodes") | ||
20 | require("../ldump") | ||
21 | |||
22 | -- Original typedef: | ||
23 | --int (*lua_Chunkwriter) (lua_State *L, const void* p, size_t sz, void* ud); | ||
24 | |||
25 | local MyWriter, MyBuff = luaU:make_setS() | ||
26 | if not MyWriter then | ||
27 | error("failed to initialize using make_setS") | ||
28 | end | ||
29 | MyWriter("hello, ", MyBuff) | ||
30 | MyWriter("world!", MyBuff) | ||
31 | print(MyBuff.data) | ||
32 | |||
33 | local MyWriter, MyBuff = luaU:make_setF("try.txt") | ||
34 | if not MyWriter then | ||
35 | error("failed to initialize using make_setF") | ||
36 | end | ||
37 | MyWriter("hello, ", MyBuff) | ||
38 | MyWriter("world!", MyBuff) | ||
39 | MyWriter(nil, MyBuff) | ||
40 | |||
41 | ------------------------------------------------------------------------ | ||
42 | -- test output of a function prototype | ||
43 | -- * data can be copied from a ChunkSpy listing output | ||
44 | ------------------------------------------------------------------------ | ||
45 | -- local a = 47 | ||
46 | -- local b = "hello, world!" | ||
47 | -- print(a, b) | ||
48 | ------------------------------------------------------------------------ | ||
49 | |||
50 | local F = {} | ||
51 | F.source = "sample.lua" | ||
52 | F.lineDefined = 0 | ||
53 | F.nups = 0 | ||
54 | F.numparams = 0 | ||
55 | F.is_vararg = 0 | ||
56 | F.maxstacksize = 5 | ||
57 | F.sizelineinfo = 7 | ||
58 | F.lineinfo = {} | ||
59 | F.lineinfo[0] = 1 | ||
60 | F.lineinfo[1] = 2 | ||
61 | F.lineinfo[2] = 3 | ||
62 | F.lineinfo[3] = 3 | ||
63 | F.lineinfo[4] = 3 | ||
64 | F.lineinfo[5] = 3 | ||
65 | F.lineinfo[6] = 3 | ||
66 | F.sizelocvars = 2 | ||
67 | F.locvars = {} | ||
68 | F.locvars[0] = { varname = "a", startpc = 1, endpc = 6 } | ||
69 | F.locvars[1] = { varname = "b", startpc = 2, endpc = 6 } | ||
70 | F.sizeupvalues = 0 | ||
71 | F.upvalues = {} | ||
72 | F.sizek = 3 | ||
73 | F.k = {} | ||
74 | F.k[0] = { value = 47 } | ||
75 | F.k[1] = { value = "hello, world!" } | ||
76 | F.k[2] = { value = "print" } | ||
77 | F.sizep = 0 | ||
78 | F.p = {} | ||
79 | F.sizecode = 7 | ||
80 | F.code = {} | ||
81 | F.code[0] = { OP = 1, A = 0, Bx = 0 } | ||
82 | F.code[1] = { OP = 1, A = 1, Bx = 1 } | ||
83 | F.code[2] = { OP = 5, A = 2, Bx = 2 } | ||
84 | F.code[3] = { OP = 0, A = 3, B = 0, C = 0 } | ||
85 | F.code[4] = { OP = 0, A = 4, B = 1, C = 0 } | ||
86 | F.code[5] = { OP = 25, A = 2, B = 3, C = 1 } | ||
87 | F.code[6] = { OP = 27, A = 0, B = 1, C = 0 } | ||
88 | |||
89 | local L = {} | ||
90 | --[[ | ||
91 | local Writer, Buff = luaU:make_setS() | ||
92 | luaU:dump(L, F, Writer, Buff) | ||
93 | for i = 1, string.len(Buff.data) do | ||
94 | io.stdout:write(string.byte(string.sub(Buff.data, i, i)).." ") | ||
95 | end | ||
96 | --]] | ||
97 | local Writer, Buff = luaU:make_setF("try.out") | ||
98 | luaU:dump(L, F, Writer, Buff) | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_llex.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_llex.lua deleted file mode 100644 index 6bc834d..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_llex.lua +++ /dev/null | |||
@@ -1,504 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | test_llex.lua | ||
4 | Test for llex.lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | ------------------------------------------------------------------------ | ||
16 | -- if BRIEF is not set to false, auto-test will silently succeed | ||
17 | ------------------------------------------------------------------------ | ||
18 | BRIEF = true -- if set to true, messages are less verbose | ||
19 | |||
20 | require("../lzio") | ||
21 | require("../llex") | ||
22 | luaX:init() | ||
23 | |||
24 | ------------------------------------------------------------------------ | ||
25 | -- simple manual tests | ||
26 | ------------------------------------------------------------------------ | ||
27 | |||
28 | --[[ | ||
29 | local L = {} -- LuaState | ||
30 | local LS = {} -- LexState | ||
31 | |||
32 | local function dump(z) | ||
33 | luaX:setinput(L, LS, z, z.name) | ||
34 | while true do | ||
35 | LS.t.token = luaX:lex(LS, LS.t) | ||
36 | local tok, seminfo = LS.t.token, LS.t.seminfo | ||
37 | if tok == "TK_NAME" then | ||
38 | seminfo = " "..seminfo | ||
39 | elseif tok == "TK_NUMBER" then | ||
40 | seminfo = " "..seminfo | ||
41 | elseif tok == "TK_STRING" then | ||
42 | seminfo = " '"..seminfo.."'" | ||
43 | else | ||
44 | seminfo = "" | ||
45 | end | ||
46 | io.stdout:write(tok..seminfo.."\n") | ||
47 | if tok == "TK_EOS" then break end | ||
48 | end | ||
49 | end | ||
50 | |||
51 | local function try_string(chunk) | ||
52 | dump(luaZ:init(luaZ:make_getS(chunk), nil, "=string")) | ||
53 | end | ||
54 | local function try_file(filename) | ||
55 | dump(luaZ:init(luaZ:make_getF(filename), nil, filename)) | ||
56 | end | ||
57 | |||
58 | z = try_string("local c = luaZ:zgetc(z)") | ||
59 | z = try_file("test_lzio.lua") | ||
60 | z = try_file("test_llex.lua") | ||
61 | os.exit() | ||
62 | --]] | ||
63 | |||
64 | ------------------------------------------------------------------------ | ||
65 | -- auto-testing of simple test cases to validate lexer behaviour: | ||
66 | -- * NOTE coverage has not been checked; not comprehensive | ||
67 | -- * only test cases with non-empty comments are processed | ||
68 | -- * if no result, then the output is displayed for manual decision | ||
69 | -- (output may be used to set expected success or fail text) | ||
70 | -- * cases expected to be successful may be a partial match | ||
71 | -- * cases expected to fail may also be a partial match | ||
72 | ------------------------------------------------------------------------ | ||
73 | |||
74 | -- [[ | ||
75 | local function auto_test() | ||
76 | local PASS, FAIL = true, false | ||
77 | ------------------------------------------------------------------ | ||
78 | -- table of test cases | ||
79 | ------------------------------------------------------------------ | ||
80 | local test_cases = | ||
81 | { | ||
82 | ------------------------------------------------------------- | ||
83 | --{ "comment", -- comment about the test | ||
84 | -- "chunk", -- chunk to test | ||
85 | -- PASS, -- PASS or FAIL outcome | ||
86 | -- "output", -- output to compare against | ||
87 | --}, | ||
88 | ------------------------------------------------------------- | ||
89 | { "empty chunk string, test EOS", | ||
90 | "", | ||
91 | PASS, "1 TK_EOS", | ||
92 | }, | ||
93 | ------------------------------------------------------------- | ||
94 | { "line number counting", | ||
95 | "\n\n\r\n", | ||
96 | PASS, "4 TK_EOS", | ||
97 | }, | ||
98 | ------------------------------------------------------------- | ||
99 | { "various whitespaces", | ||
100 | " \n\t\t\n \t \t \n\n", | ||
101 | PASS, "5 TK_EOS", | ||
102 | }, | ||
103 | ------------------------------------------------------------- | ||
104 | { "short comment ending in EOS", | ||
105 | "-- moo moo", | ||
106 | PASS, "1 TK_EOS", | ||
107 | }, | ||
108 | ------------------------------------------------------------- | ||
109 | { "short comment ending in newline", | ||
110 | "-- moo moo\n", | ||
111 | PASS, "2 TK_EOS", | ||
112 | }, | ||
113 | ------------------------------------------------------------- | ||
114 | { "several lines of short comments", | ||
115 | "--moo\n-- moo moo\n\n--\tmoo\n", | ||
116 | PASS, "5 TK_EOS", | ||
117 | }, | ||
118 | ------------------------------------------------------------- | ||
119 | { "basic block comment", | ||
120 | "--[[bovine]]", | ||
121 | PASS, "1 TK_EOS", | ||
122 | }, | ||
123 | ------------------------------------------------------------- | ||
124 | { "unterminated block comment 1", | ||
125 | "--[[bovine", | ||
126 | FAIL, ":1: unfinished long comment near `<eof>'", | ||
127 | }, | ||
128 | ------------------------------------------------------------- | ||
129 | { "unterminated block comment 2", | ||
130 | "--[[bovine]", | ||
131 | FAIL, ":1: unfinished long comment near `<eof>'", | ||
132 | }, | ||
133 | ------------------------------------------------------------- | ||
134 | { "unterminated block comment 3", | ||
135 | "--[[bovine\nmoo moo\nwoof", | ||
136 | FAIL, ":3: unfinished long comment near `<eof>'", | ||
137 | }, | ||
138 | ------------------------------------------------------------- | ||
139 | { "basic long string", | ||
140 | "\n[[bovine]]\n", | ||
141 | PASS, "2 TK_STRING = bovine\n3 TK_EOS", | ||
142 | }, | ||
143 | ------------------------------------------------------------- | ||
144 | { "first newline consumed in long string", | ||
145 | "[[\nmoo]]", | ||
146 | PASS, "2 TK_STRING = moo\n2 TK_EOS", | ||
147 | }, | ||
148 | ------------------------------------------------------------- | ||
149 | { "multiline long string", | ||
150 | "[[moo\nmoo moo\n]]", | ||
151 | PASS, "3 TK_STRING = moo\nmoo moo\n\n3 TK_EOS", | ||
152 | }, | ||
153 | ------------------------------------------------------------- | ||
154 | { "unterminated long string 1", | ||
155 | "\n[[\nbovine", | ||
156 | FAIL, ":3: unfinished long string near `<eof>'", | ||
157 | }, | ||
158 | ------------------------------------------------------------- | ||
159 | { "unterminated long string 2", | ||
160 | "[[bovine]", | ||
161 | FAIL, ":1: unfinished long string near `<eof>'", | ||
162 | }, | ||
163 | ------------------------------------------------------------- | ||
164 | { "unterminated long string 3", | ||
165 | "[[[[ \n", | ||
166 | FAIL, ":2: unfinished long string near `<eof>'", | ||
167 | }, | ||
168 | ------------------------------------------------------------- | ||
169 | { "nested long string 1", | ||
170 | "[[moo[[moo]]moo]]", | ||
171 | PASS, "moo[[moo]]moo", | ||
172 | }, | ||
173 | ------------------------------------------------------------- | ||
174 | { "nested long string 2", | ||
175 | "[[moo[[moo[[[[]]]]moo]]moo]]", | ||
176 | PASS, "moo[[moo[[[[]]]]moo]]moo", | ||
177 | }, | ||
178 | ------------------------------------------------------------- | ||
179 | { "nested long string 3", | ||
180 | "[[[[[[]]]][[[[]]]]]]", | ||
181 | PASS, "[[[[]]]][[[[]]]]", | ||
182 | }, | ||
183 | ------------------------------------------------------------- | ||
184 | { "brackets in long strings 1", | ||
185 | "[[moo[moo]]", | ||
186 | PASS, "moo[moo", | ||
187 | }, | ||
188 | ------------------------------------------------------------- | ||
189 | { "brackets in long strings 2", | ||
190 | "[[moo[[moo]moo]]moo]]", | ||
191 | PASS, "moo[[moo]moo]]moo", | ||
192 | }, | ||
193 | ------------------------------------------------------------- | ||
194 | { "unprocessed escapes in long strings", | ||
195 | [[ [[\a\b\f\n\r\t\v\123]] ]], | ||
196 | PASS, [[\a\b\f\n\r\t\v\123]], | ||
197 | }, | ||
198 | ------------------------------------------------------------- | ||
199 | { "unbalanced long string", | ||
200 | "[[moo]]moo]]", | ||
201 | PASS, "1 TK_STRING = moo\n1 TK_NAME = moo\n1 CHAR = ']'\n1 CHAR = ']'\n1 TK_EOS", | ||
202 | }, | ||
203 | ------------------------------------------------------------- | ||
204 | { "keywords 1", | ||
205 | "and break do else", | ||
206 | PASS, "1 TK_AND\n1 TK_BREAK\n1 TK_DO\n1 TK_ELSE\n1 TK_EOS", | ||
207 | }, | ||
208 | ------------------------------------------------------------- | ||
209 | { "keywords 2", | ||
210 | "elseif end false for", | ||
211 | PASS, "1 TK_ELSEIF\n1 TK_END\n1 TK_FALSE\n1 TK_FOR\n1 TK_EOS", | ||
212 | }, | ||
213 | ------------------------------------------------------------- | ||
214 | { "keywords 3", | ||
215 | "function if in local nil", | ||
216 | PASS, "1 TK_FUNCTION\n1 TK_IF\n1 TK_IN\n1 TK_LOCAL\n1 TK_NIL\n1 TK_EOS", | ||
217 | }, | ||
218 | ------------------------------------------------------------- | ||
219 | { "keywords 4", | ||
220 | "not or repeat return", | ||
221 | PASS, "1 TK_NOT\n1 TK_OR\n1 TK_REPEAT\n1 TK_RETURN\n1 TK_EOS", | ||
222 | }, | ||
223 | ------------------------------------------------------------- | ||
224 | { "keywords 5", | ||
225 | "then true until while", | ||
226 | PASS, "1 TK_THEN\n1 TK_TRUE\n1 TK_UNTIL\n1 TK_WHILE\n1 TK_EOS", | ||
227 | }, | ||
228 | ------------------------------------------------------------- | ||
229 | { "concat and dots", | ||
230 | ".. ...", | ||
231 | PASS, "1 TK_CONCAT\n1 TK_DOTS\n1 TK_EOS", | ||
232 | }, | ||
233 | ------------------------------------------------------------- | ||
234 | { "shbang handling 1", | ||
235 | "#blahblah", | ||
236 | PASS, "1 TK_EOS", | ||
237 | }, | ||
238 | ------------------------------------------------------------- | ||
239 | { "shbang handling 2", | ||
240 | "#blahblah\nmoo moo\n", | ||
241 | PASS, "2 TK_NAME = moo\n2 TK_NAME = moo\n3 TK_EOS", | ||
242 | }, | ||
243 | ------------------------------------------------------------- | ||
244 | { "empty string", | ||
245 | [['']], | ||
246 | PASS, "1 TK_STRING = \n1 TK_EOS", | ||
247 | }, | ||
248 | ------------------------------------------------------------- | ||
249 | { "single-quoted string", | ||
250 | [['bovine']], | ||
251 | PASS, "1 TK_STRING = bovine\n1 TK_EOS", | ||
252 | }, | ||
253 | ------------------------------------------------------------- | ||
254 | { "double-quoted string", | ||
255 | [["bovine"]], | ||
256 | PASS, "1 TK_STRING = bovine\n1 TK_EOS", | ||
257 | }, | ||
258 | ------------------------------------------------------------- | ||
259 | { "unterminated string 1", | ||
260 | [['moo ]], | ||
261 | FAIL, ":1: unfinished string near `<eof>'", | ||
262 | }, | ||
263 | ------------------------------------------------------------- | ||
264 | { "unterminated string 2", | ||
265 | [["moo \n]], | ||
266 | FAIL, ":1: unfinished string near `<eof>'", | ||
267 | }, | ||
268 | ------------------------------------------------------------- | ||
269 | { "escaped newline in string, line number counted", | ||
270 | "\"moo\\\nmoo\\\nmoo\"", | ||
271 | PASS, "3 TK_STRING = moo\nmoo\nmoo\n3 TK_EOS", | ||
272 | }, | ||
273 | ------------------------------------------------------------- | ||
274 | { "escaped characters in string 1", | ||
275 | [["moo\amoo"]], | ||
276 | PASS, "1 TK_STRING = moo\amoo", | ||
277 | }, | ||
278 | ------------------------------------------------------------- | ||
279 | { "escaped characters in string 2", | ||
280 | [["moo\bmoo"]], | ||
281 | PASS, "1 TK_STRING = moo\bmoo", | ||
282 | }, | ||
283 | ------------------------------------------------------------- | ||
284 | { "escaped characters in string 3", | ||
285 | [["moo\f\n\r\t\vmoo"]], | ||
286 | PASS, "1 TK_STRING = moo\f\n\r\t\vmoo", | ||
287 | }, | ||
288 | ------------------------------------------------------------- | ||
289 | { "escaped characters in string 4", | ||
290 | [["\\ \" \' \? \[ \]"]], | ||
291 | PASS, "1 TK_STRING = \\ \" \' \? \[ \]", | ||
292 | }, | ||
293 | ------------------------------------------------------------- | ||
294 | { "escaped characters in string 5", | ||
295 | [["\z \k \: \;"]], | ||
296 | PASS, "1 TK_STRING = z k : ;", | ||
297 | }, | ||
298 | ------------------------------------------------------------- | ||
299 | { "escaped characters in string 6", | ||
300 | [["\8 \65 \160 \180K \097097"]], | ||
301 | PASS, "1 TK_STRING = \8 \65 \160 \180K \097097\n", | ||
302 | }, | ||
303 | ------------------------------------------------------------- | ||
304 | { "escaped characters in string 7", | ||
305 | [["\666"]], | ||
306 | FAIL, ":1: escape sequence too large near `\"'", | ||
307 | }, | ||
308 | ------------------------------------------------------------- | ||
309 | { "simple numbers", | ||
310 | "123 123+", | ||
311 | PASS, "1 TK_NUMBER = 123\n1 TK_NUMBER = 123\n1 CHAR = '+'\n1 TK_EOS", | ||
312 | }, | ||
313 | ------------------------------------------------------------- | ||
314 | { "longer numbers", | ||
315 | "1234567890 12345678901234567890", | ||
316 | PASS, "1 TK_NUMBER = 1234567890\n1 TK_NUMBER = 1.2345678901235e+19\n", | ||
317 | }, | ||
318 | ------------------------------------------------------------- | ||
319 | { "fractional numbers", | ||
320 | ".123 .12345678901234567890", | ||
321 | PASS, "1 TK_NUMBER = 0.123\n1 TK_NUMBER = 0.12345678901235\n", | ||
322 | }, | ||
323 | ------------------------------------------------------------- | ||
324 | { "more numbers with decimal points", | ||
325 | "12345.67890 1.1.", | ||
326 | PASS, "1 TK_NUMBER = 12345.6789\n1 TK_NUMBER = 1.1\n1 CHAR = '.'\n", | ||
327 | }, | ||
328 | ------------------------------------------------------------- | ||
329 | { "double decimal points", | ||
330 | ".1.1", | ||
331 | FAIL, ":1: malformed number near `.1.1'", | ||
332 | }, | ||
333 | ------------------------------------------------------------- | ||
334 | { "double dots within numbers", | ||
335 | "1..1", | ||
336 | FAIL, ":1: ambiguous syntax (decimal point x string concatenation) near `1..'", | ||
337 | }, | ||
338 | ------------------------------------------------------------- | ||
339 | { "incomplete exponential numbers", | ||
340 | "123e", | ||
341 | FAIL, ":1: malformed number near `123e'", | ||
342 | }, | ||
343 | ------------------------------------------------------------- | ||
344 | { "exponential numbers 1", | ||
345 | "1234e5 1234e5.", | ||
346 | PASS, "1 TK_NUMBER = 123400000\n1 TK_NUMBER = 123400000\n1 CHAR = '.'", | ||
347 | }, | ||
348 | ------------------------------------------------------------- | ||
349 | { "exponential numbers 2", | ||
350 | "1234e56 1.23e123", | ||
351 | PASS, "1 TK_NUMBER = 1.234e+59\n1 TK_NUMBER = 1.23e+123\n", | ||
352 | }, | ||
353 | ------------------------------------------------------------- | ||
354 | { "exponential numbers 3", | ||
355 | "12.34e+", | ||
356 | FAIL, ":1: malformed number near `12.34e+'", | ||
357 | }, | ||
358 | ------------------------------------------------------------- | ||
359 | { "exponential numbers 4", | ||
360 | "12.34e+5 123.4e-5 1234.E+5", | ||
361 | PASS, "1 TK_NUMBER = 1234000\n1 TK_NUMBER = 0.001234\n1 TK_NUMBER = 123400000\n", | ||
362 | }, | ||
363 | ------------------------------------------------------------- | ||
364 | { "single character symbols 1", | ||
365 | "= > < ~", | ||
366 | PASS, "1 CHAR = '='\n1 CHAR = '>'\n1 CHAR = '<'\n1 CHAR = '~'\n", | ||
367 | }, | ||
368 | ------------------------------------------------------------- | ||
369 | { "double character symbols", | ||
370 | "== >= <= ~=", | ||
371 | PASS, "1 TK_EQ\n1 TK_GE\n1 TK_LE\n1 TK_NE\n", | ||
372 | }, | ||
373 | ------------------------------------------------------------- | ||
374 | { "simple identifiers", | ||
375 | "abc ABC", | ||
376 | PASS, "1 TK_NAME = abc\n1 TK_NAME = ABC\n1 TK_EOS", | ||
377 | }, | ||
378 | ------------------------------------------------------------- | ||
379 | { "more identifiers", | ||
380 | "_abc _ABC", | ||
381 | PASS, "1 TK_NAME = _abc\n1 TK_NAME = _ABC\n1 TK_EOS", | ||
382 | }, | ||
383 | ------------------------------------------------------------- | ||
384 | { "still more identifiers", | ||
385 | "_aB_ _123", | ||
386 | PASS, "1 TK_NAME = _aB_\n1 TK_NAME = _123\n1 TK_EOS", | ||
387 | }, | ||
388 | ------------------------------------------------------------- | ||
389 | { "invalid control character", | ||
390 | "\4", | ||
391 | FAIL, ":1: invalid control char near `char(4)'", | ||
392 | }, | ||
393 | ------------------------------------------------------------- | ||
394 | { "single character symbols 2", | ||
395 | "` ! @ $ %", | ||
396 | PASS, "1 CHAR = '`'\n1 CHAR = '!'\n1 CHAR = '@'\n1 CHAR = '$'\n1 CHAR = '%'\n", | ||
397 | }, | ||
398 | ------------------------------------------------------------- | ||
399 | { "single character symbols 3", | ||
400 | "^ & * ( )", | ||
401 | PASS, "1 CHAR = '^'\n1 CHAR = '&'\n1 CHAR = '*'\n1 CHAR = '('\n1 CHAR = ')'\n", | ||
402 | }, | ||
403 | ------------------------------------------------------------- | ||
404 | { "single character symbols 4", | ||
405 | "_ - + \\ |", | ||
406 | PASS, "1 TK_NAME = _\n1 CHAR = '-'\n1 CHAR = '+'\n1 CHAR = '\\'\n1 CHAR = '|'\n", | ||
407 | }, | ||
408 | ------------------------------------------------------------- | ||
409 | { "single character symbols 5", | ||
410 | "{ } [ ] :", | ||
411 | PASS, "1 CHAR = '{'\n1 CHAR = '}'\n1 CHAR = '['\n1 CHAR = ']'\n1 CHAR = ':'\n", | ||
412 | }, | ||
413 | ------------------------------------------------------------- | ||
414 | { "single character symbols 6", | ||
415 | "; , . / ?", | ||
416 | PASS, "1 CHAR = ';'\n1 CHAR = ','\n1 CHAR = '.'\n1 CHAR = '/'\n1 CHAR = '?'\n", | ||
417 | }, | ||
418 | ------------------------------------------------------------- | ||
419 | } | ||
420 | ------------------------------------------------------------------ | ||
421 | -- perform a test case | ||
422 | ------------------------------------------------------------------ | ||
423 | function do_test_case(count, test_case) | ||
424 | if comment == "" then return end -- skip empty entries | ||
425 | local comment, chunk, outcome, matcher = unpack(test_case) | ||
426 | local result = PASS | ||
427 | local output = "" | ||
428 | -- initialize lexer | ||
429 | local L, LS = {}, {} | ||
430 | local z = luaZ:init(luaZ:make_getS(chunk), nil, "=test") | ||
431 | luaX:setinput(L, LS, z, z.name) | ||
432 | -- lexer test loop | ||
433 | repeat | ||
434 | -- protected call | ||
435 | local status, token = pcall(luaX.lex, luaX, LS, LS.t) | ||
436 | LS.t.token = token | ||
437 | output = output..LS.linenumber.." " | ||
438 | if status then | ||
439 | -- successful call | ||
440 | if string.len(token) > 1 then | ||
441 | if token == "TK_NAME" | ||
442 | or token == "TK_NUMBER" | ||
443 | or token == "TK_STRING" then | ||
444 | token = token.." = "..LS.t.seminfo | ||
445 | end | ||
446 | elseif string.byte(token) >= 32 then -- displayable chars | ||
447 | token = "CHAR = '"..token.."'" | ||
448 | else -- control characters | ||
449 | token = "CHAR = (".. string.byte(token)..")" | ||
450 | end | ||
451 | output = output..token.."\n" | ||
452 | else | ||
453 | -- failed call | ||
454 | output = output..token -- token is the error message | ||
455 | result = FAIL | ||
456 | break | ||
457 | end | ||
458 | until LS.t.token == "TK_EOS" | ||
459 | -- decision making and reporting | ||
460 | local head = "Test "..count..": "..comment | ||
461 | if matcher == "" then | ||
462 | -- nothing to check against, display for manual check | ||
463 | print(head.."\nMANUAL please check manually".. | ||
464 | "\n--chunk---------------------------------\n"..chunk.. | ||
465 | "\n--actual--------------------------------\n"..output.. | ||
466 | "\n\n") | ||
467 | return | ||
468 | else | ||
469 | if outcome == PASS then | ||
470 | -- success expected, may be a partial match | ||
471 | if string.find(output, matcher, 1, 1) and result == PASS then | ||
472 | if not BRIEF then print(head.."\nOK expected success\n") end | ||
473 | return | ||
474 | end | ||
475 | else | ||
476 | -- failure expected, may be a partial match | ||
477 | if string.find(output, matcher, 1, 1) and result == FAIL then | ||
478 | if not BRIEF then print(head.."\nOK expected failure\n") end | ||
479 | return | ||
480 | end | ||
481 | end | ||
482 | -- failed because of unmatched string or boolean result | ||
483 | local function passfail(status) | ||
484 | if status == PASS then return "PASS" else return "FAIL" end | ||
485 | end | ||
486 | print(head.." *FAILED*".. | ||
487 | "\noutcome="..passfail(outcome).. | ||
488 | "\nactual= "..passfail(result).. | ||
489 | "\n--chunk---------------------------------\n"..chunk.. | ||
490 | "\n--expected------------------------------\n"..matcher.. | ||
491 | "\n--actual--------------------------------\n"..output.. | ||
492 | "\n\n") | ||
493 | end | ||
494 | end | ||
495 | ------------------------------------------------------------------ | ||
496 | -- perform auto testing | ||
497 | ------------------------------------------------------------------ | ||
498 | for i,test_case in ipairs(test_cases) do | ||
499 | do_test_case(i, test_case) | ||
500 | end | ||
501 | end | ||
502 | |||
503 | auto_test() | ||
504 | --]] | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lparser.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lparser.lua deleted file mode 100644 index b9400cc..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lparser.lua +++ /dev/null | |||
@@ -1,60 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | test_lparser.lua | ||
4 | Test for lparser.lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | ------------------------------------------------------------------------ | ||
16 | -- test the whole kaboodle | ||
17 | ------------------------------------------------------------------------ | ||
18 | |||
19 | require("../lzio") | ||
20 | require("../llex") | ||
21 | require("../lopcodes") | ||
22 | require("../ldump") | ||
23 | require("../lcode") | ||
24 | require("../lparser") | ||
25 | |||
26 | function lua_assert(test) | ||
27 | if not test then error("assertion failed!") end | ||
28 | end | ||
29 | |||
30 | luaX:init() | ||
31 | |||
32 | ------------------------------------------------------------------------ | ||
33 | -- try 1 | ||
34 | ------------------------------------------------------------------------ | ||
35 | |||
36 | local zio = luaZ:init(luaZ:make_getS("local a = 1"), nil, "=string") | ||
37 | local LuaState = {} | ||
38 | local Func = luaY:parser(LuaState, zio, nil) | ||
39 | |||
40 | --[[ | ||
41 | for i, v in Func do | ||
42 | if type(v) == "string" or type(v) == "number" then | ||
43 | print(i, v) | ||
44 | elseif type(v) == "table" then | ||
45 | print(i, "TABLE") | ||
46 | end | ||
47 | end | ||
48 | --]] | ||
49 | |||
50 | local Writer, Buff = luaU:make_setF("parse1.out") | ||
51 | luaU:dump(LuaState, Func, Writer, Buff) | ||
52 | |||
53 | ------------------------------------------------------------------------ | ||
54 | -- try 2 | ||
55 | ------------------------------------------------------------------------ | ||
56 | |||
57 | zio = luaZ:init(luaZ:make_getF("sample.lua"), nil, "@sample.lua") | ||
58 | Func = luaY:parser(LuaState, zio, nil) | ||
59 | Writer, Buff = luaU:make_setF("parse2.out") | ||
60 | luaU:dump(LuaState, Func, Writer, Buff) | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lparser2.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lparser2.lua deleted file mode 100644 index b912e68..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lparser2.lua +++ /dev/null | |||
@@ -1,202 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | test_lparser2.lua | ||
4 | Test for lparser.lua, using the test case file | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * the test cases are in the test_lua directory (test_parser-5.0.lua) | ||
18 | ----------------------------------------------------------------------]] | ||
19 | |||
20 | -- * true if you want an output of all failure cases in native Lua, | ||
21 | -- for checking whether test cases fail where you intend them to | ||
22 | local DEBUG_FAILS = false | ||
23 | |||
24 | ------------------------------------------------------------------------ | ||
25 | -- test the whole kaboodle | ||
26 | ------------------------------------------------------------------------ | ||
27 | |||
28 | require("../lzio") | ||
29 | require("../llex") | ||
30 | require("../lopcodes") | ||
31 | require("../ldump") | ||
32 | require("../lcode") | ||
33 | require("../lparser") | ||
34 | |||
35 | function lua_assert(test) | ||
36 | if not test then error("assertion failed!") end | ||
37 | end | ||
38 | |||
39 | luaX:init() | ||
40 | |||
41 | ------------------------------------------------------------------------ | ||
42 | -- load test cases | ||
43 | ------------------------------------------------------------------------ | ||
44 | |||
45 | require("../../test_lua/test_parser-5.0") | ||
46 | |||
47 | local test, expect, heading = {}, {}, {} | ||
48 | local total, total_pass, total_fail = 0, 0, 0 | ||
49 | |||
50 | for ln in string.gfind(tests_source, "([^\n]*)\n") do | ||
51 | if string.find(ln, "^%s*%-%-") then | ||
52 | -- comment, ignore | ||
53 | else | ||
54 | local m, _, head = string.find(ln, "^%s*(TESTS:%s*.*)$") | ||
55 | if m then | ||
56 | heading[total + 1] = head -- informational heading | ||
57 | else | ||
58 | total = total + 1 | ||
59 | local n, _, flag = string.find(ln, "%s*%-%-%s*FAIL%s*$") | ||
60 | if n then -- FAIL test case | ||
61 | ln = string.sub(ln, 1, n - 1) -- remove comment | ||
62 | expect[total] = "FAIL" | ||
63 | total_fail = total_fail + 1 | ||
64 | else -- PASS test case | ||
65 | expect[total] = "PASS" | ||
66 | total_pass = total_pass + 1 | ||
67 | end--n | ||
68 | test[total] = ln | ||
69 | end--m | ||
70 | end--ln | ||
71 | end--for | ||
72 | |||
73 | print("Tests loaded: "..total.." (total), " | ||
74 | ..total_pass.." (passes), " | ||
75 | ..total_fail.." (fails)") | ||
76 | |||
77 | ------------------------------------------------------------------------ | ||
78 | -- verify test cases using native Lua | ||
79 | ------------------------------------------------------------------------ | ||
80 | |||
81 | local last_head = "TESTS: no heading yet" | ||
82 | for i = 1, total do | ||
83 | local test_case, expected, head = test[i], expect[i], heading[i] | ||
84 | -- show progress | ||
85 | if head then | ||
86 | last_head = head | ||
87 | if DEBUG_FAILS then print("\n"..head.."\n") end | ||
88 | end | ||
89 | ------------------------------------------------------------------ | ||
90 | -- perform test | ||
91 | local f, err = loadstring(test_case) | ||
92 | -- look at outcome | ||
93 | ------------------------------------------------------------------ | ||
94 | if f then-- actual PASS | ||
95 | if expected == "FAIL" then | ||
96 | print("\nVerified as PASS but expected to FAIL".. | ||
97 | "\n-------------------------------------") | ||
98 | print("Lastest heading: "..last_head) | ||
99 | print("TEST: "..test_case) | ||
100 | os.exit() | ||
101 | end | ||
102 | ------------------------------------------------------------------ | ||
103 | else-- actual FAIL | ||
104 | if expected == "PASS" then | ||
105 | print("\nVerified as FAIL but expected to PASS".. | ||
106 | "\n-------------------------------------") | ||
107 | print("Lastest heading: "..last_head) | ||
108 | print("TEST: "..test_case) | ||
109 | print("ERROR: "..err) | ||
110 | os.exit() | ||
111 | end | ||
112 | if DEBUG_FAILS then | ||
113 | print("TEST: "..test_case) | ||
114 | print("ERROR: "..err.."\n") | ||
115 | end | ||
116 | ------------------------------------------------------------------ | ||
117 | end--f | ||
118 | end--for | ||
119 | |||
120 | print("Test cases verified using native Lua, no anomalies.") | ||
121 | |||
122 | ------------------------------------------------------------------------ | ||
123 | -- dump binary chunks to a file if something goes wrong | ||
124 | ------------------------------------------------------------------------ | ||
125 | local function Dump(data, filename) | ||
126 | h = io.open(filename, "wb") | ||
127 | if not h then error("failed to open "..filename.." for writing") end | ||
128 | h:write(data) | ||
129 | h:close() | ||
130 | end | ||
131 | |||
132 | ------------------------------------------------------------------------ | ||
133 | -- test using Yueliang front end | ||
134 | ------------------------------------------------------------------------ | ||
135 | |||
136 | local last_head = "TESTS: no heading yet" | ||
137 | for i = 1, total do | ||
138 | local test_case, expected, head = test[i], expect[i], heading[i] | ||
139 | -- show progress | ||
140 | if head then last_head = head end | ||
141 | ------------------------------------------------------------------ | ||
142 | -- perform test | ||
143 | local LuaState = {} | ||
144 | local zio = luaZ:init(luaZ:make_getS(test_case), nil, "test") | ||
145 | local status, func = pcall(luaY.parser, luaY, LuaState, zio, nil) | ||
146 | -- look at outcome | ||
147 | ------------------------------------------------------------------ | ||
148 | if status then-- actual PASS | ||
149 | if expected == "PASS" then | ||
150 | -- actual PASS and expected PASS, so check binary chunks | ||
151 | local writer, buff = luaU:make_setS() | ||
152 | luaU:dump(LuaState, func, writer, buff) | ||
153 | local bc1 = buff.data -- Yueliang's output | ||
154 | local f = loadstring(test_case, "test") | ||
155 | local bc2 = string.dump(f) -- Lua's output | ||
156 | local die | ||
157 | -- compare outputs | ||
158 | if string.len(bc1) ~= string.len(bc2) then | ||
159 | Dump(bc1, "bc1.out") | ||
160 | Dump(bc2, "bc2.out") | ||
161 | die = "binary chunk sizes different" | ||
162 | elseif bc1 ~= bc2 then | ||
163 | Dump(bc1, "bc1.out") | ||
164 | Dump(bc2, "bc2.out") | ||
165 | die = "binary chunks different" | ||
166 | else | ||
167 | -- everything checks out! | ||
168 | end | ||
169 | if die then | ||
170 | print("\nTested PASS and expected to PASS, but chunks different".. | ||
171 | "\n------------------------------------------------------") | ||
172 | print("Reason: "..die) | ||
173 | print("Lastest heading: "..last_head) | ||
174 | print("TEST: "..test_case) | ||
175 | os.exit() | ||
176 | end | ||
177 | else-- expected FAIL | ||
178 | print("\nTested as PASS but expected to FAIL".. | ||
179 | "\n-----------------------------------") | ||
180 | print("Lastest heading: "..last_head) | ||
181 | print("TEST: "..test_case) | ||
182 | os.exit() | ||
183 | end | ||
184 | ------------------------------------------------------------------ | ||
185 | else-- actual FAIL | ||
186 | if expected == "PASS" then | ||
187 | print("\nTested as FAIL but expected to PASS".. | ||
188 | "\n-----------------------------------") | ||
189 | print("Lastest heading: "..last_head) | ||
190 | print("TEST: "..test_case) | ||
191 | print("ERROR: "..err) | ||
192 | os.exit() | ||
193 | end | ||
194 | ------------------------------------------------------------------ | ||
195 | end--status | ||
196 | io.stdout:write("\rTesting ["..i.."]...") | ||
197 | end--for | ||
198 | print(" done.") | ||
199 | |||
200 | print("Test cases run on Yueliang, no anomalies.") | ||
201 | |||
202 | -- end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lzio.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lzio.lua deleted file mode 100644 index cfd3f4b..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_lzio.lua +++ /dev/null | |||
@@ -1,55 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | test_lzio.lua | ||
4 | Test for lzio.lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | -- manual test for lzio.lua lua-style chunk reader | ||
16 | |||
17 | require("../lzio") | ||
18 | |||
19 | local z | ||
20 | function dump(z) | ||
21 | while true do | ||
22 | local c = luaZ:zgetc(z) | ||
23 | io.stdout:write("("..c..")") | ||
24 | if c == "EOZ" then break end | ||
25 | end | ||
26 | io.stdout:write("\n") | ||
27 | end | ||
28 | |||
29 | -- luaZ:make_getS or luaZ:make_getF creates a chunk reader | ||
30 | -- luaZ:init makes a zio stream | ||
31 | |||
32 | -- [[ | ||
33 | z = luaZ:init(luaZ:make_getS("hello, world!"), nil, "=string") | ||
34 | dump(z) | ||
35 | z = luaZ:init(luaZ:make_getS(", world!"), "hello", "=string") | ||
36 | dump(z) | ||
37 | z = luaZ:init(luaZ:make_getS("line1\nline2\n"), "", "=string") | ||
38 | dump(z) | ||
39 | z = luaZ:init(luaZ:make_getF("test_lzio.lua"), nil, "=string") | ||
40 | dump(z) | ||
41 | --]] | ||
42 | |||
43 | -- test read beyond end of file | ||
44 | -- bug reported by Adam429 | ||
45 | --[[ | ||
46 | z = luaZ:init(luaZ:make_getF("test_lzio.lua"), nil, "=string") | ||
47 | while true do | ||
48 | local c = luaZ:zgetc(z) | ||
49 | io.stdout:write("("..c..")") | ||
50 | if c == "EOZ" then break end | ||
51 | end | ||
52 | print(luaZ:zgetc(z)) | ||
53 | print(luaZ:zgetc(z)) | ||
54 | io.stdout:write("\n") | ||
55 | --]] | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_number.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_number.lua deleted file mode 100644 index eeabecb..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/test/test_number.lua +++ /dev/null | |||
@@ -1,174 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | test_number.lua | ||
4 | Test for Lua-based number conversion functions in ldump.lua | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * luaU:from_int(value) does not have overflow checks, but this | ||
18 | -- can presumably be put in for debugging purposes. | ||
19 | -- * TODO: double conversion does not support denormals or NaNs | ||
20 | -- * apparently 0/0 == 0/0 is false (Lua 5.0.2 on Win32/Mingw), so | ||
21 | -- can't use to check for NaNs | ||
22 | ----------------------------------------------------------------------]] | ||
23 | |||
24 | require("../ldump") | ||
25 | |||
26 | ------------------------------------------------------------------------ | ||
27 | -- convert hex string representation to a byte string | ||
28 | -- * must have an even number of hex digits | ||
29 | ------------------------------------------------------------------------ | ||
30 | local function from_hexstring(s) | ||
31 | local bs = "" | ||
32 | for i = 1, string.len(s), 2 do | ||
33 | local asc = tonumber(string.sub(s, i, i + 1), 16) | ||
34 | bs = bs..string.char(asc) | ||
35 | end | ||
36 | return bs | ||
37 | end | ||
38 | |||
39 | ------------------------------------------------------------------------ | ||
40 | -- convert a byte string to a hex string representation | ||
41 | -- * big-endian, easier to grok | ||
42 | ------------------------------------------------------------------------ | ||
43 | local function to_hexstring(s) | ||
44 | local hs = "" | ||
45 | for i = string.len(s), 1, -1 do | ||
46 | local c = string.byte(string.sub(s, i, i)) | ||
47 | hs = hs..string.format("%02X", c) | ||
48 | end | ||
49 | return hs | ||
50 | end | ||
51 | |||
52 | ------------------------------------------------------------------------ | ||
53 | -- tests for 32-bit signed/unsigned integer | ||
54 | ------------------------------------------------------------------------ | ||
55 | local function test_int(value, expected) | ||
56 | local actual = to_hexstring(luaU:from_int(value)) | ||
57 | if not expected or expected == "" then | ||
58 | print(value..": "..actual) | ||
59 | elseif actual ~= expected then | ||
60 | print(value..": FAILED!\n".. | ||
61 | "Converted: "..actual.."\n".. | ||
62 | "Expected: "..expected) | ||
63 | return true | ||
64 | end | ||
65 | return false | ||
66 | end | ||
67 | |||
68 | local table_int = { | ||
69 | ["0"] = "00000000", | ||
70 | ["1"] = "00000001", | ||
71 | ["256"] = "00000100", | ||
72 | ["-256"] = "FFFFFF00", | ||
73 | ["-1"] = "FFFFFFFF", | ||
74 | ["2147483647"] = "7FFFFFFF", -- LONG_MAX | ||
75 | ["-2147483648"] = "80000000", -- LONG_MIN | ||
76 | ["4294967295"] = "FFFFFFFF", -- ULONG_MAX | ||
77 | --[""] = "", | ||
78 | } | ||
79 | |||
80 | local success = true | ||
81 | print("Testing luaU:from_int():") | ||
82 | for i, v in pairs(table_int) do | ||
83 | local test_value = tonumber(i) | ||
84 | local expected = v | ||
85 | if test_int(test_value, expected) then | ||
86 | success = false | ||
87 | end | ||
88 | end | ||
89 | if success then | ||
90 | print("All test numbers passed okay.\n") | ||
91 | else | ||
92 | print("There were one or more failures.\n") | ||
93 | end | ||
94 | |||
95 | ------------------------------------------------------------------------ | ||
96 | -- tests for IEEE 754 64-bit double | ||
97 | ------------------------------------------------------------------------ | ||
98 | |||
99 | local function test_double(value, expected) | ||
100 | local actual = to_hexstring(luaU:from_double(value)) | ||
101 | if not expected or expected == "" then | ||
102 | print(value..": "..actual) | ||
103 | elseif actual ~= expected then | ||
104 | print(value..": FAILED!\n".. | ||
105 | "Converted: "..actual.."\n".. | ||
106 | "Expected: "..expected) | ||
107 | return true | ||
108 | end | ||
109 | return false | ||
110 | end | ||
111 | |||
112 | -- special values, see testing loop for actual lookup | ||
113 | Infinity = 1/0 | ||
114 | Infinity_neg = -1/0 | ||
115 | |||
116 | -- can't seem to do a comparison test with NaN, so leave them | ||
117 | -- (need to check the IEEE standard on this...) | ||
118 | NaN = 0/0 | ||
119 | NaN_neg = -0/0 | ||
120 | --["NaN"] = "", -- 7FF8000000000000 (djgpp) | ||
121 | --["NaN_neg"] = "", -- FFF8000000000000 (djgpp) | ||
122 | |||
123 | local table_double = { | ||
124 | -- 0 for exponent, 0 for mantissa | ||
125 | ["0"] = "0000000000000000", | ||
126 | -- 3FF is bias of 1023, so (-1)^0 * (1+0) * 2^0 | ||
127 | ["1"] = "3FF0000000000000", | ||
128 | -- BFF has sign bit on, so (-1)^1 * (1+0) * 2^0 | ||
129 | ["-1"] = "BFF0000000000000", | ||
130 | -- 3FC is bias of 1020, so (-1)^0 * (1+0) * 2^-3 | ||
131 | ["0.125"] = "3FC0000000000000", | ||
132 | ["0.250"] = "3FD0000000000000", | ||
133 | ["0.500"] = "3FE0000000000000", | ||
134 | -- 40F is bias of 1039, so (-1)^0 * (1+0) * 2^16 | ||
135 | ["65536"] = "40F0000000000000", | ||
136 | -- 7FF is bias of 2047, 0 for mantissa | ||
137 | ["Infinity"] = "7FF0000000000000", | ||
138 | -- FFF has sign bit on, 0 for mantissa | ||
139 | ["Infinity_neg"] = "FFF0000000000000", | ||
140 | -- DBL_MIN, exponent=001 ( 1), mantissa=0000000000000 | ||
141 | ["2.2250738585072014e-308"] = "0010000000000000", | ||
142 | -- DBL_MAX, exponent=7FE (2046), mantissa=FFFFFFFFFFFFF | ||
143 | ["1.7976931348623157e+308"] = "7FEFFFFFFFFFFFFF", | ||
144 | --[[ | ||
145 | -- * the following is for float numbers only * | ||
146 | -- FLT_MIN, exponent=01 ( 1), mantissa=000000 | ||
147 | -- altervative value for FLT_MIN: 1.17549435e-38F | ||
148 | ["1.1754943508222875081e-38"] = "00800000", | ||
149 | -- FLT_MAX, exponent=FE (254), mantissa=7FFFFF | ||
150 | -- altervative value for FLT_MAX: 3.402823466e+38F | ||
151 | ["3.4028234663852885982e+38"] = "7F7FFFFF", | ||
152 | --]] | ||
153 | --[""] = "", | ||
154 | } | ||
155 | |||
156 | local success = true | ||
157 | print("Testing luaU:from_double():") | ||
158 | for i, v in pairs(table_double) do | ||
159 | local test_value | ||
160 | if not string.find(i, "%d") then | ||
161 | test_value = _G[i] | ||
162 | else | ||
163 | test_value = tonumber(i) | ||
164 | end | ||
165 | local expected = v | ||
166 | if test_double(test_value, expected) then | ||
167 | success = false | ||
168 | end | ||
169 | end | ||
170 | if success then | ||
171 | print("All test numbers passed okay.\n") | ||
172 | else | ||
173 | print("There were one or more failures.\n") | ||
174 | end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/call_graph.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/call_graph.lua deleted file mode 100644 index 5c60e17..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/call_graph.lua +++ /dev/null | |||
@@ -1,254 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | call_graph.lua | ||
4 | Call graph generator. | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005-2006 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * the call tracer wraps function calls in tables to do its work | ||
18 | -- * not very elegant as the namespace of the table/module is affected | ||
19 | -- * tracing using the debugger is probably much more powerful... | ||
20 | -- * use of braces {} allows editors to match braces in the output | ||
21 | -- and do folding, if such facilities are available; for example, the | ||
22 | -- output looks better if Lua syntax highlighting is used on SciTE | ||
23 | ----------------------------------------------------------------------]] | ||
24 | |||
25 | ------------------------------------------------------------------------ | ||
26 | -- options | ||
27 | ------------------------------------------------------------------------ | ||
28 | |||
29 | local SHOW_EXPDESC = true -- show expdesc struct data | ||
30 | |||
31 | ------------------------------------------------------------------------ | ||
32 | -- load and initialize modules | ||
33 | ------------------------------------------------------------------------ | ||
34 | require("../lzio.lua") | ||
35 | require("../llex.lua") | ||
36 | require("../lopcodes.lua") | ||
37 | require("../ldump.lua") | ||
38 | require("../lcode.lua") | ||
39 | require("../lparser.lua") | ||
40 | |||
41 | function lua_assert(test) | ||
42 | if not test then error("assertion failed!") end | ||
43 | end | ||
44 | luaX:init() | ||
45 | local LuaState = {} | ||
46 | |||
47 | ------------------------------------------------------------------------ | ||
48 | -- call graph generator | ||
49 | -- * (1) logging functions, (2) the wrapper initializer itself | ||
50 | ------------------------------------------------------------------------ | ||
51 | |||
52 | llog = {} | ||
53 | |||
54 | ------------------------------------------------------------------------ | ||
55 | -- initialize log file; the usual mode is append; can use stdout/stderr | ||
56 | ------------------------------------------------------------------------ | ||
57 | function llog:init(filename) | ||
58 | if filename == "stdout" then self.h = io.stdout | ||
59 | elseif filename == "stderr" then self.h = io.stderr | ||
60 | else | ||
61 | self.h = io.open(filename, "ab") | ||
62 | if not self.h then | ||
63 | error("can't open log file "..filename.."for writing") | ||
64 | end | ||
65 | end | ||
66 | self.h:write("\n-- start of log --\n\n") | ||
67 | end | ||
68 | |||
69 | ------------------------------------------------------------------------ | ||
70 | -- cleanly closes log file | ||
71 | ------------------------------------------------------------------------ | ||
72 | function llog:exit() | ||
73 | self.h:write("\n-- end of log --\n\n") | ||
74 | if self.h ~= io.stdout and self.h ~= io.stderr then | ||
75 | self.h:close() | ||
76 | end | ||
77 | end | ||
78 | |||
79 | ------------------------------------------------------------------------ | ||
80 | -- logs a message at a particular call depth | ||
81 | ------------------------------------------------------------------------ | ||
82 | function llog:msg(msg, level) | ||
83 | if level then msg = string.rep(" ", level)..msg end | ||
84 | self.h:write(msg) | ||
85 | self.h:flush() | ||
86 | end | ||
87 | |||
88 | ------------------------------------------------------------------------ | ||
89 | -- set up wrapper functions to do tracing on a per-module basis | ||
90 | ------------------------------------------------------------------------ | ||
91 | function llog:calltrace(parms) | ||
92 | ------------------------------------------------------------------ | ||
93 | -- process parameters | ||
94 | ------------------------------------------------------------------ | ||
95 | local module = parms.module | ||
96 | local modulename = parms.modulename | ||
97 | if type(module) ~= "table" then | ||
98 | error("module table parameter required") | ||
99 | elseif not modulename then | ||
100 | error("module name parameter required") | ||
101 | end | ||
102 | ------------------------------------------------------------------ | ||
103 | -- use either allow or deny list | ||
104 | ------------------------------------------------------------------ | ||
105 | local allow = parms.allow or {} | ||
106 | local deny = parms.deny or {} | ||
107 | if table.getn(allow) > 0 and table.getn(deny) > 0 then | ||
108 | error("can't apply both allow and deny lists at the same time") | ||
109 | end | ||
110 | ------------------------------------------------------------------ | ||
111 | -- select functions to wrap | ||
112 | ------------------------------------------------------------------ | ||
113 | local flist = {} | ||
114 | for i, f in pairs(module) do | ||
115 | local wrapthis | ||
116 | if table.getn(allow) > 0 then -- allow some only | ||
117 | wrapthis = false | ||
118 | for j, v in ipairs(allow) do | ||
119 | if i == v then wrapthis = true; break end | ||
120 | end | ||
121 | elseif table.getn(deny) > 0 then -- deny some only | ||
122 | wrapthis = true | ||
123 | for j, v in ipairs(deny) do | ||
124 | if i == v then wrapthis = false; break end | ||
125 | end | ||
126 | else -- default include | ||
127 | wrapthis = true | ||
128 | end | ||
129 | if wrapthis then flist[i] = f end | ||
130 | end | ||
131 | ------------------------------------------------------------------ | ||
132 | -- wrapped function(s) in a module for tracing | ||
133 | ------------------------------------------------------------------ | ||
134 | llog.level = 0 -- nesting level | ||
135 | for i, f in pairs(flist) do | ||
136 | local ModuleName = modulename..":" | ||
137 | local OldName, OldFunc = i, f | ||
138 | if type(OldFunc) == "function" then | ||
139 | local NewName = "__"..OldName | ||
140 | while module[NewName] ~= nil do -- avoid collisions | ||
141 | NewName = "_"..NewName | ||
142 | end | ||
143 | module[NewName] = OldFunc | ||
144 | module[OldName] = | ||
145 | ---------------------------------------------------------- | ||
146 | -- wrapper function for a module's function | ||
147 | -- old function XYZ is renamed __XYZ | ||
148 | ---------------------------------------------------------- | ||
149 | function(self, ...) | ||
150 | local parms = " (" | ||
151 | local exps = {} | ||
152 | -- look for expdesc structs, identify FuncState structs too | ||
153 | local function checkexpdesc(v) | ||
154 | local typ = type(v) | ||
155 | if typ == "table" then | ||
156 | if v.code then return "func" | ||
157 | elseif v.L then return "ls" | ||
158 | elseif v.seminfo then return "token" | ||
159 | elseif v.k then | ||
160 | table.insert(exps, v) | ||
161 | return "exp"..table.getn(exps) | ||
162 | end | ||
163 | end | ||
164 | return typ | ||
165 | end | ||
166 | -- format parameters for printing | ||
167 | for i,v in ipairs(arg) do | ||
168 | if type(v) == "number" then parms = parms..v.."," | ||
169 | elseif type(v) == "string" then parms = parms.."'"..v.."'," | ||
170 | elseif type(v) == "boolean" then parms = parms..tostring(v).."," | ||
171 | elseif SHOW_EXPDESC then parms = parms..checkexpdesc(v).."," | ||
172 | else parms = parms..type(v).."," | ||
173 | end | ||
174 | end | ||
175 | if table.getn(arg) > 0 then -- chop last comma | ||
176 | parms = string.sub(parms, 1, -2) | ||
177 | end | ||
178 | -- up level | ||
179 | llog:msg(ModuleName..OldName..parms..") {\n", llog.level) | ||
180 | llog.level = llog.level + 1 | ||
181 | -- display contents of expdesc | ||
182 | if SHOW_EXPDESC and table.getn(exps) > 0 then | ||
183 | for i,v in ipairs(exps) do | ||
184 | parms = "k:'"..v.k.."'," | ||
185 | if v.info then parms = parms.."info:"..v.info.."," end | ||
186 | if v.aux then parms = parms.."aux:"..v.aux.."," end | ||
187 | if v.t then parms = parms.."t:"..v.t.."," end | ||
188 | if v.f then parms = parms.."f:"..v.f.."," end | ||
189 | parms = string.sub(parms, 1, -2) | ||
190 | llog:msg("exp"..i.."("..parms..")\n", llog.level) | ||
191 | end | ||
192 | end | ||
193 | -- original function called here... | ||
194 | local retval = {self[NewName](self, unpack(arg))} | ||
195 | -- format return values | ||
196 | local rets = " = " | ||
197 | for i,v in ipairs(retval) do | ||
198 | if type(v) == "number" then rets = rets..v.."," | ||
199 | elseif type(v) == "string" then rets = rets.."'"..v.."'," | ||
200 | elseif type(v) == "boolean" then rets = rets..tostring(v).."," | ||
201 | else rets = rets..type(v).."," | ||
202 | end | ||
203 | end | ||
204 | if table.getn(retval) > 0 then -- chop last comma | ||
205 | rets = string.sub(rets, 1, -2) | ||
206 | else | ||
207 | rets = "" | ||
208 | end | ||
209 | -- down level | ||
210 | llog.level = llog.level - 1 | ||
211 | llog:msg("} "..ModuleName..OldName..rets.."\n", llog.level) | ||
212 | return unpack(retval) | ||
213 | end--function | ||
214 | ---------------------------------------------------------- | ||
215 | --print("patched "..OldName) | ||
216 | end--if | ||
217 | end--for | ||
218 | end | ||
219 | |||
220 | ------------------------------------------------------------------------ | ||
221 | -- testing here | ||
222 | -- * allow/deny works a bit like a somewhat similar Apache syntax | ||
223 | -- * e.g. to show only function 'lex' and 'save' -> allow={"lex","save",} | ||
224 | -- to not show function 'save_and_next' -> deny={"save_and_next",} | ||
225 | -- * you can't do both allow and deny at the same time | ||
226 | ------------------------------------------------------------------------ | ||
227 | |||
228 | -- select the file or stream to output to | ||
229 | --llog:init("calls.log") | ||
230 | llog:init("stdout") | ||
231 | |||
232 | -- select modules to trace | ||
233 | llog:calltrace{module=luaX, modulename="luaX", allow={"lex"} } | ||
234 | -- here we trace only the main lex() function, to avoid showing | ||
235 | -- too many lexer calls; we want to focus on luaY and luaK | ||
236 | llog:calltrace{module=luaY, modulename="luaY", deny={"growvector"} } | ||
237 | -- growvector() is just a limit checker in Yueliang, so drop it | ||
238 | -- to simplify the output log | ||
239 | llog:calltrace{module=luaK, modulename="luaK"} | ||
240 | --llog:calltrace{module=luaU, modulename="luaU"} | ||
241 | |||
242 | -- select input stream | ||
243 | local zio = luaZ:init(luaZ:make_getS("local a = 1"), nil, "=string") | ||
244 | --local zio = luaZ:init(luaZ:make_getF("sample.lua"), nil, "@sample.lua") | ||
245 | |||
246 | -- compile the source | ||
247 | local Func = luaY:parser(LuaState, zio, nil) | ||
248 | |||
249 | -- write binary chunk | ||
250 | local Writer, Buff = luaU:make_setF("call_graph.out") | ||
251 | luaU:dump(LuaState, Func, Writer, Buff) | ||
252 | |||
253 | llog:exit() | ||
254 | --end | ||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/calls.log b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/calls.log deleted file mode 100644 index c163f6c..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/calls.log +++ /dev/null | |||
@@ -1,152 +0,0 @@ | |||
1 | |||
2 | -- start of log -- | ||
3 | |||
4 | luaY:parser (table,table) { | ||
5 | luaY:open_func (table,table) { | ||
6 | luaY:newproto (table) { | ||
7 | } luaY:newproto = table | ||
8 | } luaY:open_func | ||
9 | luaY:next (table) { | ||
10 | luaX:lex (table,table) { | ||
11 | } luaX:lex = 'TK_LOCAL' | ||
12 | } luaY:next | ||
13 | luaY:chunk (table) { | ||
14 | luaY:enterlevel (table) { | ||
15 | } luaY:enterlevel | ||
16 | luaY:block_follow ('TK_LOCAL') { | ||
17 | } luaY:block_follow = false | ||
18 | luaY:statement (table) { | ||
19 | luaY:next (table) { | ||
20 | luaX:lex (table,table) { | ||
21 | } luaX:lex = 'TK_NAME' | ||
22 | } luaY:next | ||
23 | luaY:testnext (table,'TK_FUNCTION') { | ||
24 | } luaY:testnext = false | ||
25 | luaY:localstat (table) { | ||
26 | luaY:str_checkname (table) { | ||
27 | luaY:check_condition (table,true,'<name> expected') { | ||
28 | } luaY:check_condition | ||
29 | luaY:next (table) { | ||
30 | luaX:lex (table,table) { | ||
31 | } luaX:lex = '=' | ||
32 | } luaY:next | ||
33 | } luaY:str_checkname = 'a' | ||
34 | luaY:new_localvar (table,'a',0) { | ||
35 | luaY:registerlocalvar (table,'a') { | ||
36 | luaY:growvector (table,table,0,0) { | ||
37 | } luaY:growvector | ||
38 | } luaY:registerlocalvar = 0 | ||
39 | } luaY:new_localvar | ||
40 | luaY:testnext (table,',') { | ||
41 | } luaY:testnext = false | ||
42 | luaY:testnext (table,'=') { | ||
43 | luaY:next (table) { | ||
44 | luaX:lex (table,table) { | ||
45 | } luaX:lex = 'TK_NUMBER' | ||
46 | } luaY:next | ||
47 | } luaY:testnext = true | ||
48 | luaY:explist1 (table,table) { | ||
49 | luaY:expr (table,table) { | ||
50 | luaY:subexpr (table,table,-1) { | ||
51 | luaY:enterlevel (table) { | ||
52 | } luaY:enterlevel | ||
53 | luaY:getunopr ('TK_NUMBER') { | ||
54 | } luaY:getunopr = 'OPR_NOUNOPR' | ||
55 | luaY:simpleexp (table,table) { | ||
56 | luaK:numberK (table,1) { | ||
57 | luaK:setnvalue (table,1) { | ||
58 | } luaK:setnvalue | ||
59 | luaK:addk (table,table,table) { | ||
60 | luaK:ttisnumber ) { | ||
61 | } luaK:ttisnumber = false | ||
62 | luaY:growvector (table,table,0,0) { | ||
63 | } luaY:growvector | ||
64 | luaK:setnvalue (table,0) { | ||
65 | } luaK:setnvalue | ||
66 | } luaK:addk = 0 | ||
67 | } luaK:numberK = 0 | ||
68 | luaY:init_exp (table,'VK',0) { | ||
69 | } luaY:init_exp | ||
70 | luaY:next (table) { | ||
71 | luaX:lex (table,table) { | ||
72 | } luaX:lex = 'TK_EOS' | ||
73 | } luaY:next | ||
74 | } luaY:simpleexp | ||
75 | luaY:getbinopr ('TK_EOS') { | ||
76 | } luaY:getbinopr = 'OPR_NOBINOPR' | ||
77 | luaY:leavelevel (table) { | ||
78 | } luaY:leavelevel | ||
79 | } luaY:subexpr = 'OPR_NOBINOPR' | ||
80 | } luaY:expr | ||
81 | luaY:testnext (table,',') { | ||
82 | } luaY:testnext = false | ||
83 | } luaY:explist1 = 1 | ||
84 | luaY:adjust_assign (table,1,1,table) { | ||
85 | luaK:exp2nextreg (table,table) { | ||
86 | luaK:dischargevars (table,table) { | ||
87 | } luaK:dischargevars | ||
88 | luaK:freeexp (table,table) { | ||
89 | } luaK:freeexp | ||
90 | luaK:reserveregs (table,1) { | ||
91 | luaK:checkstack (table,1) { | ||
92 | } luaK:checkstack | ||
93 | } luaK:reserveregs | ||
94 | luaK:exp2reg (table,table,0) { | ||
95 | luaK:discharge2reg (table,table,0) { | ||
96 | luaK:dischargevars (table,table) { | ||
97 | } luaK:dischargevars | ||
98 | luaK:codeABx (table,'OP_LOADK',0,0) { | ||
99 | luaK:code (table,table,1) { | ||
100 | luaK:dischargejpc (table) { | ||
101 | luaK:patchlistaux (table,-1,0,255,0,255,0) { | ||
102 | } luaK:patchlistaux | ||
103 | } luaK:dischargejpc | ||
104 | luaY:growvector (table,table,0,0) { | ||
105 | } luaY:growvector | ||
106 | luaY:growvector (table,table,0,0) { | ||
107 | } luaY:growvector | ||
108 | } luaK:code = 0 | ||
109 | } luaK:codeABx = 0 | ||
110 | } luaK:discharge2reg | ||
111 | luaK:hasjumps (table) { | ||
112 | } luaK:hasjumps = false | ||
113 | } luaK:exp2reg | ||
114 | } luaK:exp2nextreg | ||
115 | } luaY:adjust_assign | ||
116 | luaY:adjustlocalvars (table,1) { | ||
117 | luaY:getlocvar (table,0) { | ||
118 | } luaY:getlocvar = table | ||
119 | } luaY:adjustlocalvars | ||
120 | } luaY:localstat | ||
121 | } luaY:statement = false | ||
122 | luaY:testnext (table,';') { | ||
123 | } luaY:testnext = false | ||
124 | luaY:block_follow ('TK_EOS') { | ||
125 | } luaY:block_follow = true | ||
126 | luaY:leavelevel (table) { | ||
127 | } luaY:leavelevel | ||
128 | } luaY:chunk | ||
129 | luaY:check_condition (table,true,'<eof> expected') { | ||
130 | } luaY:check_condition | ||
131 | luaY:close_func (table) { | ||
132 | luaY:removevars (table,0) { | ||
133 | luaY:getlocvar (table,0) { | ||
134 | } luaY:getlocvar = table | ||
135 | } luaY:removevars | ||
136 | luaK:codeABC (table,'OP_RETURN',0,1,0) { | ||
137 | luaK:code (table,table,1) { | ||
138 | luaK:dischargejpc (table) { | ||
139 | luaK:patchlistaux (table,-1,1,255,1,255,1) { | ||
140 | } luaK:patchlistaux | ||
141 | } luaK:dischargejpc | ||
142 | luaY:growvector (table,table,1,0) { | ||
143 | } luaY:growvector | ||
144 | luaY:growvector (table,table,1,0) { | ||
145 | } luaY:growvector | ||
146 | } luaK:code = 1 | ||
147 | } luaK:codeABC = 1 | ||
148 | } luaY:close_func | ||
149 | } luaY:parser = table | ||
150 | |||
151 | -- end of log -- | ||
152 | |||
diff --git a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/sample_expr.lua b/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/sample_expr.lua deleted file mode 100644 index 519cd4c..0000000 --- a/LuaSL/testLua/yueliang-0.4.1/orig-5.0.3/tools/sample_expr.lua +++ /dev/null | |||
@@ -1,195 +0,0 @@ | |||
1 | --[[-------------------------------------------------------------------- | ||
2 | |||
3 | sample_expr.lua | ||
4 | Stand-alone expression parsing demonstrator. | ||
5 | This file is part of Yueliang. | ||
6 | |||
7 | Copyright (c) 2005 Kein-Hong Man <khman@users.sf.net> | ||
8 | The COPYRIGHT file describes the conditions | ||
9 | under which this software may be distributed. | ||
10 | |||
11 | See the ChangeLog for more information. | ||
12 | |||
13 | ----------------------------------------------------------------------]] | ||
14 | |||
15 | --[[-------------------------------------------------------------------- | ||
16 | -- Notes: | ||
17 | -- * this is an interactive demonstrator for implementing expression | ||
18 | -- parsing in ChunkBake, a Lua assembler | ||
19 | -- * evaluation is immediate, and a result is immediately generated | ||
20 | ----------------------------------------------------------------------]] | ||
21 | |||
22 | require("../lzio.lua") | ||
23 | require("../llex.lua") | ||
24 | luaX:init() | ||
25 | |||
26 | ------------------------------------------------------------------------ | ||
27 | -- expression parser | ||
28 | ------------------------------------------------------------------------ | ||
29 | |||
30 | expr = {} | ||
31 | |||
32 | expr.unop = { | ||
33 | ["TK_NOT"] = true, | ||
34 | ["-"] = true, | ||
35 | } | ||
36 | expr.binop = { | ||
37 | ["^"] = 10, | ||
38 | ["*"] = 7, | ||
39 | ["/"] = 7, | ||
40 | ["+"] = 6, | ||
41 | ["-"] = 6, | ||
42 | ["TK_CONCAT"] = 5, | ||
43 | ["TK_NE"] = 3, | ||
44 | ["TK_EQ"] = 3, | ||
45 | ["<"] = 3, | ||
46 | ["TK_LE"] = 3, | ||
47 | [">"] = 3, | ||
48 | ["TK_GE"] = 3, | ||
49 | ["TK_AND"] = 2, | ||
50 | ["TK_OR"] = 1, | ||
51 | } | ||
52 | expr.binop_r = { | ||
53 | ["^"] = 9, | ||
54 | ["*"] = 7, | ||
55 | ["/"] = 7, | ||
56 | ["+"] = 6, | ||
57 | ["-"] = 6, | ||
58 | ["TK_CONCAT"] = 4, | ||
59 | ["TK_NE"] = 3, | ||
60 | ["TK_EQ"] = 3, | ||
61 | ["<"] = 3, | ||
62 | ["TK_LE"] = 3, | ||
63 | [">"] = 3, | ||
64 | ["TK_GE"] = 3, | ||
65 | ["TK_AND"] = 2, | ||
66 | ["TK_OR"] = 1, | ||
67 | } | ||
68 | |||
69 | function expr:parse(str) | ||
70 | self.LS = {} | ||
71 | self.L = {} | ||
72 | self.z = luaZ:init(luaZ:make_getS(str), nil, "=string") | ||
73 | luaX:setinput(self.L, self.LS, self.z, self.z.name) | ||
74 | self:token() | ||
75 | local v = self:expr() | ||
76 | if self.tok ~= "TK_EOS" then | ||
77 | io.stderr:write("parse error: some tokens unparsed\n") | ||
78 | end | ||
79 | return v | ||
80 | end | ||
81 | |||
82 | function expr:token() | ||
83 | self.tok = luaX:lex(self.LS, self.LS.t) | ||
84 | self.seminfo = self.LS.t.seminfo | ||
85 | return self.tok | ||
86 | end | ||
87 | |||
88 | function expr:simpleexpr() | ||
89 | local tok = self.tok | ||
90 | if tok == "TK_NIL" then | ||
91 | self:token() | ||
92 | return nil | ||
93 | elseif tok == "TK_TRUE" then | ||
94 | self:token() | ||
95 | return true | ||
96 | elseif tok == "TK_FALSE" then | ||
97 | self:token() | ||
98 | return false | ||
99 | elseif tok == "TK_NUMBER" or tok == "TK_STRING" then | ||
100 | self:token() | ||
101 | return self.seminfo | ||
102 | elseif tok == "(" then | ||
103 | self:token() | ||
104 | local v = self:expr() | ||
105 | if self.tok ~= ")" then | ||
106 | io.stderr:write("parse error: expecting ')' to delimit\n") | ||
107 | else | ||
108 | self:token() | ||
109 | return v | ||
110 | end | ||
111 | end | ||
112 | self:token() | ||
113 | io.stderr:write("parse error: "..tok.." encountered, substituting nil\n") | ||
114 | return nil | ||
115 | end | ||
116 | |||
117 | function expr:subexpr(prev_op) | ||
118 | local v, op | ||
119 | if self.unop[self.tok] then | ||
120 | op = self.tok | ||
121 | self:token() | ||
122 | v = self:subexpr(8) | ||
123 | if op == "TK_NOT" then | ||
124 | v = not v | ||
125 | else-- op == "-" then | ||
126 | v = -v | ||
127 | end | ||
128 | else | ||
129 | v = self:simpleexpr() | ||
130 | end | ||
131 | op = self.tok | ||
132 | if self.binop[op] then | ||
133 | while self.binop[op] and self.binop[op] > prev_op do | ||
134 | self:token() | ||
135 | local v2, next_op = self:subexpr(self.binop_r[op]) | ||
136 | if op == "^" then | ||
137 | v = v ^ v2 | ||
138 | elseif op == "*" then | ||
139 | v = v * v2 | ||
140 | elseif op == "/" then | ||
141 | v = v / v2 | ||
142 | elseif op == "+" then | ||
143 | v = v + v2 | ||
144 | elseif op == "-" then | ||
145 | v = v - v2 | ||
146 | elseif op == "TK_CONCAT" then | ||
147 | v = v .. v2 | ||
148 | elseif op == "TK_NE" then | ||
149 | v = v ~= v2 | ||
150 | elseif op == "TK_EQ" then | ||
151 | v = v == v2 | ||
152 | elseif op == "<" then | ||
153 | v = v < v2 | ||
154 | elseif op == "TK_LE" then | ||
155 | v = v <= v2 | ||
156 | elseif op == ">" then | ||
157 | v = v > v2 | ||
158 | elseif op == "TK_GE" then | ||
159 | v = v >= v2 | ||
160 | elseif op == "TK_AND" then | ||
161 | v = v and v2 | ||
162 | else-- op == "TK_OR" then | ||
163 | v = v or v2 | ||
164 | end | ||
165 | op = next_op | ||
166 | end | ||
167 | end | ||
168 | return v, op | ||
169 | end | ||
170 | |||
171 | function expr:expr() | ||
172 | return self:subexpr(-1) | ||
173 | end | ||
174 | |||
175 | ------------------------------------------------------------------------ | ||
176 | -- interactive test code | ||
177 | ------------------------------------------------------------------------ | ||
178 | |||
179 | io.stdout:write([[ | ||
180 | Lua-style expression parsing demonstrator. | ||
181 | Type 'exit' or 'quit' at the prompt to terminate session. | ||
182 | ]]) | ||
183 | local done = false | ||
184 | while not done do | ||
185 | io.stdout:write(":>") | ||
186 | io.stdout:flush() | ||
187 | local l = io.stdin:read("*l") | ||
188 | if l == nil or (l == "exit" or l == "quit" and not prevline) then | ||
189 | done = true | ||
190 | else | ||
191 | local v = tostring(expr:parse(l)) | ||
192 | io.stdout:write(v, "\n") | ||
193 | end | ||
194 | end--while | ||
195 | --end | ||