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Diffstat (limited to 'OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/CSCodeGenerator.cs')
-rw-r--r-- | OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/CSCodeGenerator.cs | 946 |
1 files changed, 0 insertions, 946 deletions
diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/CSCodeGenerator.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/CSCodeGenerator.cs deleted file mode 100644 index c4b0fd4..0000000 --- a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/CSCodeGenerator.cs +++ /dev/null | |||
@@ -1,946 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) Contributors, http://opensimulator.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions are met: | ||
7 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * * Neither the name of the OpenSim Project nor the | ||
13 | * names of its contributors may be used to endorse or promote products | ||
14 | * derived from this software without specific prior written permission. | ||
15 | * | ||
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | using System; | ||
29 | using System.IO; | ||
30 | using System.Collections.Generic; | ||
31 | using Tools; | ||
32 | |||
33 | namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL | ||
34 | { | ||
35 | public class CSCodeGenerator | ||
36 | { | ||
37 | private SYMBOL m_astRoot = null; | ||
38 | private Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>> m_positionMap; | ||
39 | private int m_indentWidth = 4; // for indentation | ||
40 | private int m_braceCount; // for indentation | ||
41 | private int m_CSharpLine; // the current line of generated C# code | ||
42 | private int m_CSharpCol; // the current column of generated C# code | ||
43 | |||
44 | /// <summary> | ||
45 | /// Creates an 'empty' CSCodeGenerator instance. | ||
46 | /// </summary> | ||
47 | public CSCodeGenerator() | ||
48 | { | ||
49 | ResetCounters(); | ||
50 | } | ||
51 | |||
52 | /// <summary> | ||
53 | /// Get the mapping between LSL and C# line/column number. | ||
54 | /// </summary> | ||
55 | /// <returns>Dictionary\<KeyValuePair\<int, int\>, KeyValuePair\<int, int\>\>.</returns> | ||
56 | public Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>> PositionMap | ||
57 | { | ||
58 | get { return m_positionMap; } | ||
59 | } | ||
60 | |||
61 | /// <summary> | ||
62 | /// Get the mapping between LSL and C# line/column number. | ||
63 | /// </summary> | ||
64 | /// <returns>SYMBOL pointing to root of the abstract syntax tree.</returns> | ||
65 | public SYMBOL ASTRoot | ||
66 | { | ||
67 | get { return m_astRoot; } | ||
68 | } | ||
69 | |||
70 | /// <summary> | ||
71 | /// Resets various counters and metadata. | ||
72 | /// </summary> | ||
73 | private void ResetCounters() | ||
74 | { | ||
75 | m_braceCount = 0; | ||
76 | m_CSharpLine = 0; | ||
77 | m_CSharpCol = 1; | ||
78 | m_positionMap = new Dictionary<KeyValuePair<int, int>, KeyValuePair<int, int>>(); | ||
79 | m_astRoot = null; | ||
80 | } | ||
81 | |||
82 | /// <summary> | ||
83 | /// Generate the code from the AST we have. | ||
84 | /// </summary> | ||
85 | /// <param name="script">The LSL source as a string.</param> | ||
86 | /// <returns>String containing the generated C# code.</returns> | ||
87 | public string Convert(string script) | ||
88 | { | ||
89 | ResetCounters(); | ||
90 | Parser p = new LSLSyntax(new yyLSLSyntax(), new ErrorHandler(true)); | ||
91 | // Obviously this needs to be in a try/except block. | ||
92 | LSL2CSCodeTransformer codeTransformer = new LSL2CSCodeTransformer(p.Parse(script)); | ||
93 | m_astRoot = codeTransformer.Transform(); | ||
94 | |||
95 | string retstr = String.Empty; | ||
96 | |||
97 | // standard preamble | ||
98 | //retstr = GenerateLine("using OpenSim.Region.ScriptEngine.Common;"); | ||
99 | //retstr += GenerateLine("using System.Collections.Generic;"); | ||
100 | //retstr += GenerateLine(""); | ||
101 | //retstr += GenerateLine("namespace SecondLife"); | ||
102 | //retstr += GenerateLine("{"); | ||
103 | m_braceCount++; | ||
104 | //retstr += GenerateIndentedLine("public class Script : OpenSim.Region.ScriptEngine.Common"); | ||
105 | //retstr += GenerateIndentedLine("{"); | ||
106 | m_braceCount++; | ||
107 | |||
108 | // line number | ||
109 | m_CSharpLine += 3; | ||
110 | |||
111 | // here's the payload | ||
112 | retstr += GenerateLine(); | ||
113 | foreach (SYMBOL s in m_astRoot.kids) | ||
114 | retstr += GenerateNode(s); | ||
115 | |||
116 | // close braces! | ||
117 | m_braceCount--; | ||
118 | //retstr += GenerateIndentedLine("}"); | ||
119 | m_braceCount--; | ||
120 | //retstr += GenerateLine("}"); | ||
121 | |||
122 | return retstr; | ||
123 | } | ||
124 | |||
125 | /// <summary> | ||
126 | /// Recursively called to generate each type of node. Will generate this | ||
127 | /// node, then all it's children. | ||
128 | /// </summary> | ||
129 | /// <param name="s">The current node to generate code for.</param> | ||
130 | /// <returns>String containing C# code for SYMBOL s.</returns> | ||
131 | private string GenerateNode(SYMBOL s) | ||
132 | { | ||
133 | string retstr = String.Empty; | ||
134 | |||
135 | // make sure to put type lower in the inheritance hierarchy first | ||
136 | // ie: since IdentArgument and ExpressionArgument inherit from | ||
137 | // Argument, put IdentArgument and ExpressionArgument before Argument | ||
138 | if (s is GlobalFunctionDefinition) | ||
139 | retstr += GenerateGlobalFunctionDefinition((GlobalFunctionDefinition) s); | ||
140 | else if (s is GlobalVariableDeclaration) | ||
141 | retstr += GenerateGlobalVariableDeclaration((GlobalVariableDeclaration) s); | ||
142 | else if (s is State) | ||
143 | retstr += GenerateState((State) s); | ||
144 | else if (s is CompoundStatement) | ||
145 | retstr += GenerateCompoundStatement((CompoundStatement) s); | ||
146 | else if (s is Declaration) | ||
147 | retstr += GenerateDeclaration((Declaration) s); | ||
148 | else if (s is Statement) | ||
149 | retstr += GenerateStatement((Statement) s); | ||
150 | else if (s is ReturnStatement) | ||
151 | retstr += GenerateReturnStatement((ReturnStatement) s); | ||
152 | else if (s is JumpLabel) | ||
153 | retstr += GenerateJumpLabel((JumpLabel) s); | ||
154 | else if (s is JumpStatement) | ||
155 | retstr += GenerateJumpStatement((JumpStatement) s); | ||
156 | else if (s is StateChange) | ||
157 | retstr += GenerateStateChange((StateChange) s); | ||
158 | else if (s is IfStatement) | ||
159 | retstr += GenerateIfStatement((IfStatement) s); | ||
160 | else if (s is WhileStatement) | ||
161 | retstr += GenerateWhileStatement((WhileStatement) s); | ||
162 | else if (s is DoWhileStatement) | ||
163 | retstr += GenerateDoWhileStatement((DoWhileStatement) s); | ||
164 | else if (s is ForLoop) | ||
165 | retstr += GenerateForLoop((ForLoop) s); | ||
166 | else if (s is ArgumentList) | ||
167 | retstr += GenerateArgumentList((ArgumentList) s); | ||
168 | else if (s is Assignment) | ||
169 | retstr += GenerateAssignment((Assignment) s); | ||
170 | else if (s is BinaryExpression) | ||
171 | retstr += GenerateBinaryExpression((BinaryExpression) s); | ||
172 | else if (s is ParenthesisExpression) | ||
173 | retstr += GenerateParenthesisExpression((ParenthesisExpression) s); | ||
174 | else if (s is UnaryExpression) | ||
175 | retstr += GenerateUnaryExpression((UnaryExpression) s); | ||
176 | else if (s is IncrementDecrementExpression) | ||
177 | retstr += GenerateIncrementDecrementExpression((IncrementDecrementExpression) s); | ||
178 | else if (s is TypecastExpression) | ||
179 | retstr += GenerateTypecastExpression((TypecastExpression) s); | ||
180 | else if (s is FunctionCall) | ||
181 | retstr += GenerateFunctionCall((FunctionCall) s); | ||
182 | else if (s is VectorConstant) | ||
183 | retstr += GenerateVectorConstant((VectorConstant) s); | ||
184 | else if (s is RotationConstant) | ||
185 | retstr += GenerateRotationConstant((RotationConstant) s); | ||
186 | else if (s is ListConstant) | ||
187 | retstr += GenerateListConstant((ListConstant) s); | ||
188 | else if (s is Constant) | ||
189 | retstr += GenerateConstant((Constant) s); | ||
190 | else if (s is IdentDotExpression) | ||
191 | retstr += Generate(((IdentDotExpression) s).Name + "." + ((IdentDotExpression) s).Member, s); | ||
192 | else if (s is IdentExpression) | ||
193 | retstr += Generate(((IdentExpression) s).Name, s); | ||
194 | else if (s is IDENT) | ||
195 | retstr += Generate(((TOKEN) s).yytext, s); | ||
196 | else | ||
197 | { | ||
198 | foreach (SYMBOL kid in s.kids) | ||
199 | retstr += GenerateNode(kid); | ||
200 | } | ||
201 | |||
202 | return retstr; | ||
203 | } | ||
204 | |||
205 | /// <summary> | ||
206 | /// Generates the code for a GlobalFunctionDefinition node. | ||
207 | /// </summary> | ||
208 | /// <param name="gf">The GlobalFunctionDefinition node.</param> | ||
209 | /// <returns>String containing C# code for GlobalFunctionDefinition gf.</returns> | ||
210 | private string GenerateGlobalFunctionDefinition(GlobalFunctionDefinition gf) | ||
211 | { | ||
212 | string retstr = String.Empty; | ||
213 | |||
214 | // we need to separate the argument declaration list from other kids | ||
215 | List<SYMBOL> argumentDeclarationListKids = new List<SYMBOL>(); | ||
216 | List<SYMBOL> remainingKids = new List<SYMBOL>(); | ||
217 | |||
218 | foreach (SYMBOL kid in gf.kids) | ||
219 | if (kid is ArgumentDeclarationList) | ||
220 | argumentDeclarationListKids.Add(kid); | ||
221 | else | ||
222 | remainingKids.Add(kid); | ||
223 | |||
224 | retstr += GenerateIndented(String.Format("{0} {1}(", gf.ReturnType, gf.Name), gf); | ||
225 | |||
226 | // print the state arguments, if any | ||
227 | foreach (SYMBOL kid in argumentDeclarationListKids) | ||
228 | retstr += GenerateArgumentDeclarationList((ArgumentDeclarationList) kid); | ||
229 | |||
230 | retstr += GenerateLine(")"); | ||
231 | |||
232 | foreach (SYMBOL kid in remainingKids) | ||
233 | retstr += GenerateNode(kid); | ||
234 | |||
235 | return retstr; | ||
236 | } | ||
237 | |||
238 | /// <summary> | ||
239 | /// Generates the code for a GlobalVariableDeclaration node. | ||
240 | /// </summary> | ||
241 | /// <param name="gv">The GlobalVariableDeclaration node.</param> | ||
242 | /// <returns>String containing C# code for GlobalVariableDeclaration gv.</returns> | ||
243 | private string GenerateGlobalVariableDeclaration(GlobalVariableDeclaration gv) | ||
244 | { | ||
245 | string retstr = String.Empty; | ||
246 | |||
247 | foreach (SYMBOL s in gv.kids) | ||
248 | { | ||
249 | retstr += Indent(); | ||
250 | retstr += GenerateNode(s); | ||
251 | retstr += GenerateLine(";"); | ||
252 | } | ||
253 | |||
254 | return retstr; | ||
255 | } | ||
256 | |||
257 | /// <summary> | ||
258 | /// Generates the code for a State node. | ||
259 | /// </summary> | ||
260 | /// <param name="s">The State node.</param> | ||
261 | /// <returns>String containing C# code for State s.</returns> | ||
262 | private string GenerateState(State s) | ||
263 | { | ||
264 | string retstr = String.Empty; | ||
265 | |||
266 | foreach (SYMBOL kid in s.kids) | ||
267 | if (kid is StateEvent) | ||
268 | retstr += GenerateStateEvent((StateEvent) kid, s.Name); | ||
269 | |||
270 | return retstr; | ||
271 | } | ||
272 | |||
273 | /// <summary> | ||
274 | /// Generates the code for a StateEvent node. | ||
275 | /// </summary> | ||
276 | /// <param name="se">The StateEvent node.</param> | ||
277 | /// <param name="parentStateName">The name of the parent state.</param> | ||
278 | /// <returns>String containing C# code for StateEvent se.</returns> | ||
279 | private string GenerateStateEvent(StateEvent se, string parentStateName) | ||
280 | { | ||
281 | string retstr = String.Empty; | ||
282 | |||
283 | // we need to separate the argument declaration list from other kids | ||
284 | List<SYMBOL> argumentDeclarationListKids = new List<SYMBOL>(); | ||
285 | List<SYMBOL> remainingKids = new List<SYMBOL>(); | ||
286 | |||
287 | foreach (SYMBOL kid in se.kids) | ||
288 | if (kid is ArgumentDeclarationList) | ||
289 | argumentDeclarationListKids.Add(kid); | ||
290 | else | ||
291 | remainingKids.Add(kid); | ||
292 | |||
293 | // "state" (function) declaration | ||
294 | retstr += GenerateIndented(String.Format("public void {0}_event_{1}(", parentStateName, se.Name), se); | ||
295 | |||
296 | // print the state arguments, if any | ||
297 | foreach (SYMBOL kid in argumentDeclarationListKids) | ||
298 | retstr += GenerateArgumentDeclarationList((ArgumentDeclarationList) kid); | ||
299 | |||
300 | retstr += GenerateLine(")"); | ||
301 | |||
302 | foreach (SYMBOL kid in remainingKids) | ||
303 | retstr += GenerateNode(kid); | ||
304 | |||
305 | return retstr; | ||
306 | } | ||
307 | |||
308 | /// <summary> | ||
309 | /// Generates the code for an ArgumentDeclarationList node. | ||
310 | /// </summary> | ||
311 | /// <param name="adl">The ArgumentDeclarationList node.</param> | ||
312 | /// <returns>String containing C# code for ArgumentDeclarationList adl.</returns> | ||
313 | private string GenerateArgumentDeclarationList(ArgumentDeclarationList adl) | ||
314 | { | ||
315 | string retstr = String.Empty; | ||
316 | |||
317 | int comma = adl.kids.Count - 1; // tells us whether to print a comma | ||
318 | |||
319 | foreach (Declaration d in adl.kids) | ||
320 | { | ||
321 | retstr += Generate(String.Format("{0} {1}", d.Datatype, d.Id), d); | ||
322 | if (0 < comma--) | ||
323 | retstr += Generate(", "); | ||
324 | } | ||
325 | |||
326 | return retstr; | ||
327 | } | ||
328 | |||
329 | /// <summary> | ||
330 | /// Generates the code for an ArgumentList node. | ||
331 | /// </summary> | ||
332 | /// <param name="al">The ArgumentList node.</param> | ||
333 | /// <returns>String containing C# code for ArgumentList al.</returns> | ||
334 | private string GenerateArgumentList(ArgumentList al) | ||
335 | { | ||
336 | string retstr = String.Empty; | ||
337 | |||
338 | int comma = al.kids.Count - 1; // tells us whether to print a comma | ||
339 | |||
340 | foreach (SYMBOL s in al.kids) | ||
341 | { | ||
342 | retstr += GenerateNode(s); | ||
343 | if (0 < comma--) | ||
344 | retstr += Generate(", "); | ||
345 | } | ||
346 | |||
347 | return retstr; | ||
348 | } | ||
349 | |||
350 | /// <summary> | ||
351 | /// Generates the code for a CompoundStatement node. | ||
352 | /// </summary> | ||
353 | /// <param name="cs">The CompoundStatement node.</param> | ||
354 | /// <returns>String containing C# code for CompoundStatement cs.</returns> | ||
355 | private string GenerateCompoundStatement(CompoundStatement cs) | ||
356 | { | ||
357 | string retstr = String.Empty; | ||
358 | |||
359 | // opening brace | ||
360 | retstr += GenerateIndentedLine("{"); | ||
361 | m_braceCount++; | ||
362 | |||
363 | foreach (SYMBOL kid in cs.kids) | ||
364 | retstr += GenerateNode(kid); | ||
365 | |||
366 | // closing brace | ||
367 | m_braceCount--; | ||
368 | retstr += GenerateIndentedLine("}"); | ||
369 | |||
370 | return retstr; | ||
371 | } | ||
372 | |||
373 | /// <summary> | ||
374 | /// Generates the code for a Declaration node. | ||
375 | /// </summary> | ||
376 | /// <param name="d">The Declaration node.</param> | ||
377 | /// <returns>String containing C# code for Declaration d.</returns> | ||
378 | private string GenerateDeclaration(Declaration d) | ||
379 | { | ||
380 | return Generate(String.Format("{0} {1}", d.Datatype, d.Id), d); | ||
381 | } | ||
382 | |||
383 | /// <summary> | ||
384 | /// Generates the code for a Statement node. | ||
385 | /// </summary> | ||
386 | /// <param name="s">The Statement node.</param> | ||
387 | /// <returns>String containing C# code for Statement s.</returns> | ||
388 | private string GenerateStatement(Statement s) | ||
389 | { | ||
390 | string retstr = String.Empty; | ||
391 | bool printSemicolon = true; | ||
392 | |||
393 | retstr += Indent(); | ||
394 | |||
395 | if (0 < s.kids.Count) | ||
396 | { | ||
397 | // Jump label prints its own colon, we don't need a semicolon. | ||
398 | printSemicolon = !(s.kids.Top is JumpLabel); | ||
399 | |||
400 | foreach (SYMBOL kid in s.kids) | ||
401 | retstr += GenerateNode(kid); | ||
402 | } | ||
403 | |||
404 | if (printSemicolon) | ||
405 | retstr += GenerateLine(";"); | ||
406 | |||
407 | return retstr; | ||
408 | } | ||
409 | |||
410 | /// <summary> | ||
411 | /// Generates the code for an Assignment node. | ||
412 | /// </summary> | ||
413 | /// <param name="a">The Assignment node.</param> | ||
414 | /// <returns>String containing C# code for Assignment a.</returns> | ||
415 | private string GenerateAssignment(Assignment a) | ||
416 | { | ||
417 | string retstr = String.Empty; | ||
418 | |||
419 | retstr += GenerateNode((SYMBOL) a.kids.Pop()); | ||
420 | retstr += Generate(String.Format(" {0} ", a.AssignmentType), a); | ||
421 | foreach (SYMBOL kid in a.kids) | ||
422 | retstr += GenerateNode(kid); | ||
423 | |||
424 | return retstr; | ||
425 | } | ||
426 | |||
427 | /// <summary> | ||
428 | /// Generates the code for a ReturnStatement node. | ||
429 | /// </summary> | ||
430 | /// <param name="rs">The ReturnStatement node.</param> | ||
431 | /// <returns>String containing C# code for ReturnStatement rs.</returns> | ||
432 | private string GenerateReturnStatement(ReturnStatement rs) | ||
433 | { | ||
434 | string retstr = String.Empty; | ||
435 | |||
436 | retstr += Generate("return ", rs); | ||
437 | |||
438 | foreach (SYMBOL kid in rs.kids) | ||
439 | retstr += GenerateNode(kid); | ||
440 | |||
441 | return retstr; | ||
442 | } | ||
443 | |||
444 | /// <summary> | ||
445 | /// Generates the code for a JumpLabel node. | ||
446 | /// </summary> | ||
447 | /// <param name="jl">The JumpLabel node.</param> | ||
448 | /// <returns>String containing C# code for JumpLabel jl.</returns> | ||
449 | private string GenerateJumpLabel(JumpLabel jl) | ||
450 | { | ||
451 | return Generate(String.Format("{0}:\n", jl.LabelName), jl); | ||
452 | } | ||
453 | |||
454 | /// <summary> | ||
455 | /// Generates the code for a JumpStatement node. | ||
456 | /// </summary> | ||
457 | /// <param name="js">The JumpStatement node.</param> | ||
458 | /// <returns>String containing C# code for JumpStatement js.</returns> | ||
459 | private string GenerateJumpStatement(JumpStatement js) | ||
460 | { | ||
461 | return Generate(String.Format("goto {0}", js.TargetName), js); | ||
462 | } | ||
463 | |||
464 | /// <summary> | ||
465 | /// Generates the code for an IfStatement node. | ||
466 | /// </summary> | ||
467 | /// <param name="ifs">The IfStatement node.</param> | ||
468 | /// <returns>String containing C# code for IfStatement ifs.</returns> | ||
469 | private string GenerateIfStatement(IfStatement ifs) | ||
470 | { | ||
471 | string retstr = String.Empty; | ||
472 | |||
473 | retstr += GenerateIndented("if (", ifs); | ||
474 | retstr += GenerateNode((SYMBOL) ifs.kids.Pop()); | ||
475 | retstr += GenerateLine(")"); | ||
476 | |||
477 | // CompoundStatement handles indentation itself but we need to do it | ||
478 | // otherwise. | ||
479 | bool indentHere = ifs.kids.Top is Statement; | ||
480 | if (indentHere) m_braceCount++; | ||
481 | retstr += GenerateNode((SYMBOL) ifs.kids.Pop()); | ||
482 | if (indentHere) m_braceCount--; | ||
483 | |||
484 | if (0 < ifs.kids.Count) // do it again for an else | ||
485 | { | ||
486 | retstr += GenerateIndentedLine("else", ifs); | ||
487 | |||
488 | indentHere = ifs.kids.Top is Statement; | ||
489 | if (indentHere) m_braceCount++; | ||
490 | retstr += GenerateNode((SYMBOL) ifs.kids.Pop()); | ||
491 | if (indentHere) m_braceCount--; | ||
492 | } | ||
493 | |||
494 | return retstr; | ||
495 | } | ||
496 | |||
497 | /// <summary> | ||
498 | /// Generates the code for a StateChange node. | ||
499 | /// </summary> | ||
500 | /// <param name="sc">The StateChange node.</param> | ||
501 | /// <returns>String containing C# code for StateChange sc.</returns> | ||
502 | private string GenerateStateChange(StateChange sc) | ||
503 | { | ||
504 | return Generate(String.Format("state(\"{0}\")", sc.NewState), sc); | ||
505 | } | ||
506 | |||
507 | /// <summary> | ||
508 | /// Generates the code for a WhileStatement node. | ||
509 | /// </summary> | ||
510 | /// <param name="ws">The WhileStatement node.</param> | ||
511 | /// <returns>String containing C# code for WhileStatement ws.</returns> | ||
512 | private string GenerateWhileStatement(WhileStatement ws) | ||
513 | { | ||
514 | string retstr = String.Empty; | ||
515 | |||
516 | retstr += GenerateIndented("while (", ws); | ||
517 | retstr += GenerateNode((SYMBOL) ws.kids.Pop()); | ||
518 | retstr += GenerateLine(")"); | ||
519 | |||
520 | // CompoundStatement handles indentation itself but we need to do it | ||
521 | // otherwise. | ||
522 | bool indentHere = ws.kids.Top is Statement; | ||
523 | if (indentHere) m_braceCount++; | ||
524 | retstr += GenerateNode((SYMBOL) ws.kids.Pop()); | ||
525 | if (indentHere) m_braceCount--; | ||
526 | |||
527 | return retstr; | ||
528 | } | ||
529 | |||
530 | /// <summary> | ||
531 | /// Generates the code for a DoWhileStatement node. | ||
532 | /// </summary> | ||
533 | /// <param name="dws">The DoWhileStatement node.</param> | ||
534 | /// <returns>String containing C# code for DoWhileStatement dws.</returns> | ||
535 | private string GenerateDoWhileStatement(DoWhileStatement dws) | ||
536 | { | ||
537 | string retstr = String.Empty; | ||
538 | |||
539 | retstr += GenerateIndentedLine("do", dws); | ||
540 | |||
541 | // CompoundStatement handles indentation itself but we need to do it | ||
542 | // otherwise. | ||
543 | bool indentHere = dws.kids.Top is Statement; | ||
544 | if (indentHere) m_braceCount++; | ||
545 | retstr += GenerateNode((SYMBOL) dws.kids.Pop()); | ||
546 | if (indentHere) m_braceCount--; | ||
547 | |||
548 | retstr += GenerateIndented("while (", dws); | ||
549 | retstr += GenerateNode((SYMBOL) dws.kids.Pop()); | ||
550 | retstr += GenerateLine(");"); | ||
551 | |||
552 | return retstr; | ||
553 | } | ||
554 | |||
555 | /// <summary> | ||
556 | /// Generates the code for a ForLoop node. | ||
557 | /// </summary> | ||
558 | /// <param name="fl">The ForLoop node.</param> | ||
559 | /// <returns>String containing C# code for ForLoop fl.</returns> | ||
560 | private string GenerateForLoop(ForLoop fl) | ||
561 | { | ||
562 | string retstr = String.Empty; | ||
563 | |||
564 | retstr += GenerateIndented("for (", fl); | ||
565 | |||
566 | // for ( x = 0 ; x < 10 ; x++ ) | ||
567 | // ^^^^^^^ | ||
568 | retstr += GenerateForLoopStatement((ForLoopStatement) fl.kids.Pop()); | ||
569 | retstr += Generate("; "); | ||
570 | // for ( x = 0 ; x < 10 ; x++ ) | ||
571 | // ^^^^^^^^ | ||
572 | retstr += GenerateNode((SYMBOL) fl.kids.Pop()); | ||
573 | retstr += Generate("; "); | ||
574 | // for ( x = 0 ; x < 10 ; x++ ) | ||
575 | // ^^^^^ | ||
576 | retstr += GenerateForLoopStatement((ForLoopStatement) fl.kids.Pop()); | ||
577 | retstr += GenerateLine(")"); | ||
578 | |||
579 | // CompoundStatement handles indentation itself but we need to do it | ||
580 | // otherwise. | ||
581 | bool indentHere = fl.kids.Top is Statement; | ||
582 | if (indentHere) m_braceCount++; | ||
583 | retstr += GenerateNode((SYMBOL) fl.kids.Pop()); | ||
584 | if (indentHere) m_braceCount--; | ||
585 | |||
586 | return retstr; | ||
587 | } | ||
588 | |||
589 | /// <summary> | ||
590 | /// Generates the code for a ForLoopStatement node. | ||
591 | /// </summary> | ||
592 | /// <param name="fls">The ForLoopStatement node.</param> | ||
593 | /// <returns>String containing C# code for ForLoopStatement fls.</returns> | ||
594 | private string GenerateForLoopStatement(ForLoopStatement fls) | ||
595 | { | ||
596 | string retstr = String.Empty; | ||
597 | |||
598 | int comma = fls.kids.Count - 1; // tells us whether to print a comma | ||
599 | |||
600 | foreach (SYMBOL s in fls.kids) | ||
601 | { | ||
602 | retstr += GenerateNode(s); | ||
603 | if (0 < comma--) | ||
604 | retstr += Generate(", "); | ||
605 | } | ||
606 | |||
607 | return retstr; | ||
608 | } | ||
609 | |||
610 | /// <summary> | ||
611 | /// Generates the code for a BinaryExpression node. | ||
612 | /// </summary> | ||
613 | /// <param name="be">The BinaryExpression node.</param> | ||
614 | /// <returns>String containing C# code for BinaryExpression be.</returns> | ||
615 | private string GenerateBinaryExpression(BinaryExpression be) | ||
616 | { | ||
617 | string retstr = String.Empty; | ||
618 | |||
619 | retstr += GenerateNode((SYMBOL) be.kids.Pop()); | ||
620 | retstr += Generate(String.Format(" {0} ", be.ExpressionSymbol), be); | ||
621 | foreach (SYMBOL kid in be.kids) | ||
622 | retstr += GenerateNode(kid); | ||
623 | |||
624 | return retstr; | ||
625 | } | ||
626 | |||
627 | /// <summary> | ||
628 | /// Generates the code for a UnaryExpression node. | ||
629 | /// </summary> | ||
630 | /// <param name="ue">The UnaryExpression node.</param> | ||
631 | /// <returns>String containing C# code for UnaryExpression ue.</returns> | ||
632 | private string GenerateUnaryExpression(UnaryExpression ue) | ||
633 | { | ||
634 | string retstr = String.Empty; | ||
635 | |||
636 | retstr += Generate(ue.UnarySymbol, ue); | ||
637 | retstr += GenerateNode((SYMBOL) ue.kids.Pop()); | ||
638 | |||
639 | return retstr; | ||
640 | } | ||
641 | |||
642 | /// <summary> | ||
643 | /// Generates the code for a ParenthesisExpression node. | ||
644 | /// </summary> | ||
645 | /// <param name="pe">The ParenthesisExpression node.</param> | ||
646 | /// <returns>String containing C# code for ParenthesisExpression pe.</returns> | ||
647 | private string GenerateParenthesisExpression(ParenthesisExpression pe) | ||
648 | { | ||
649 | string retstr = String.Empty; | ||
650 | |||
651 | retstr += Generate("("); | ||
652 | foreach (SYMBOL kid in pe.kids) | ||
653 | retstr += GenerateNode(kid); | ||
654 | retstr += Generate(")"); | ||
655 | |||
656 | return retstr; | ||
657 | } | ||
658 | |||
659 | /// <summary> | ||
660 | /// Generates the code for a IncrementDecrementExpression node. | ||
661 | /// </summary> | ||
662 | /// <param name="ide">The IncrementDecrementExpression node.</param> | ||
663 | /// <returns>String containing C# code for IncrementDecrementExpression ide.</returns> | ||
664 | private string GenerateIncrementDecrementExpression(IncrementDecrementExpression ide) | ||
665 | { | ||
666 | string retstr = String.Empty; | ||
667 | |||
668 | if (0 < ide.kids.Count) | ||
669 | { | ||
670 | IdentDotExpression dot = (IdentDotExpression) ide.kids.Top; | ||
671 | retstr += Generate(String.Format("{0}", ide.PostOperation ? dot.Name + "." + dot.Member + ide.Operation : ide.Operation + dot.Name + "." + dot.Member), ide); | ||
672 | } | ||
673 | else | ||
674 | retstr += Generate(String.Format("{0}", ide.PostOperation ? ide.Name + ide.Operation : ide.Operation + ide.Name), ide); | ||
675 | |||
676 | return retstr; | ||
677 | } | ||
678 | |||
679 | /// <summary> | ||
680 | /// Generates the code for a TypecastExpression node. | ||
681 | /// </summary> | ||
682 | /// <param name="te">The TypecastExpression node.</param> | ||
683 | /// <returns>String containing C# code for TypecastExpression te.</returns> | ||
684 | private string GenerateTypecastExpression(TypecastExpression te) | ||
685 | { | ||
686 | string retstr = String.Empty; | ||
687 | |||
688 | // we wrap all typecasted statements in parentheses | ||
689 | retstr += Generate(String.Format("({0}) (", te.TypecastType), te); | ||
690 | retstr += GenerateNode((SYMBOL) te.kids.Pop()); | ||
691 | retstr += Generate(")"); | ||
692 | |||
693 | return retstr; | ||
694 | } | ||
695 | |||
696 | /// <summary> | ||
697 | /// Generates the code for a FunctionCall node. | ||
698 | /// </summary> | ||
699 | /// <param name="fc">The FunctionCall node.</param> | ||
700 | /// <returns>String containing C# code for FunctionCall fc.</returns> | ||
701 | private string GenerateFunctionCall(FunctionCall fc) | ||
702 | { | ||
703 | string retstr = String.Empty; | ||
704 | |||
705 | retstr += Generate(String.Format("{0}(", fc.Id), fc); | ||
706 | |||
707 | foreach (SYMBOL kid in fc.kids) | ||
708 | retstr += GenerateNode(kid); | ||
709 | |||
710 | retstr += Generate(")"); | ||
711 | |||
712 | return retstr; | ||
713 | } | ||
714 | |||
715 | /// <summary> | ||
716 | /// Generates the code for a Constant node. | ||
717 | /// </summary> | ||
718 | /// <param name="c">The Constant node.</param> | ||
719 | /// <returns>String containing C# code for Constant c.</returns> | ||
720 | private string GenerateConstant(Constant c) | ||
721 | { | ||
722 | string retstr = String.Empty; | ||
723 | |||
724 | // Supprt LSL's weird acceptance of floats with no trailing digits | ||
725 | // after the period. Turn float x = 10.; into float x = 10.0; | ||
726 | if ("LSL_Types.LSLFloat" == c.Type) | ||
727 | { | ||
728 | int dotIndex = c.Value.IndexOf('.') + 1; | ||
729 | if (0 < dotIndex && (dotIndex == c.Value.Length || !Char.IsDigit(c.Value[dotIndex]))) | ||
730 | c.Value = c.Value.Insert(dotIndex, "0"); | ||
731 | c.Value = "new LSL_Types.LSLFloat("+c.Value+")"; | ||
732 | } | ||
733 | else if ("LSL_Types.LSLInteger" == c.Type) | ||
734 | { | ||
735 | c.Value = "new LSL_Types.LSLInteger("+c.Value+")"; | ||
736 | } | ||
737 | else if ("LSL_Types.LSLString" == c.Type) | ||
738 | { | ||
739 | c.Value = "new LSL_Types.LSLString(\""+c.Value+"\")"; | ||
740 | } | ||
741 | |||
742 | retstr += Generate(c.Value, c); | ||
743 | |||
744 | return retstr; | ||
745 | } | ||
746 | |||
747 | /// <summary> | ||
748 | /// Generates the code for a VectorConstant node. | ||
749 | /// </summary> | ||
750 | /// <param name="vc">The VectorConstant node.</param> | ||
751 | /// <returns>String containing C# code for VectorConstant vc.</returns> | ||
752 | private string GenerateVectorConstant(VectorConstant vc) | ||
753 | { | ||
754 | string retstr = String.Empty; | ||
755 | |||
756 | retstr += Generate(String.Format("new {0}(", vc.Type), vc); | ||
757 | retstr += GenerateNode((SYMBOL) vc.kids.Pop()); | ||
758 | retstr += Generate(", "); | ||
759 | retstr += GenerateNode((SYMBOL) vc.kids.Pop()); | ||
760 | retstr += Generate(", "); | ||
761 | retstr += GenerateNode((SYMBOL) vc.kids.Pop()); | ||
762 | retstr += Generate(")"); | ||
763 | |||
764 | return retstr; | ||
765 | } | ||
766 | |||
767 | /// <summary> | ||
768 | /// Generates the code for a RotationConstant node. | ||
769 | /// </summary> | ||
770 | /// <param name="rc">The RotationConstant node.</param> | ||
771 | /// <returns>String containing C# code for RotationConstant rc.</returns> | ||
772 | private string GenerateRotationConstant(RotationConstant rc) | ||
773 | { | ||
774 | string retstr = String.Empty; | ||
775 | |||
776 | retstr += Generate(String.Format("new {0}(", rc.Type), rc); | ||
777 | retstr += GenerateNode((SYMBOL) rc.kids.Pop()); | ||
778 | retstr += Generate(", "); | ||
779 | retstr += GenerateNode((SYMBOL) rc.kids.Pop()); | ||
780 | retstr += Generate(", "); | ||
781 | retstr += GenerateNode((SYMBOL) rc.kids.Pop()); | ||
782 | retstr += Generate(", "); | ||
783 | retstr += GenerateNode((SYMBOL) rc.kids.Pop()); | ||
784 | retstr += Generate(")"); | ||
785 | |||
786 | return retstr; | ||
787 | } | ||
788 | |||
789 | /// <summary> | ||
790 | /// Generates the code for a ListConstant node. | ||
791 | /// </summary> | ||
792 | /// <param name="lc">The ListConstant node.</param> | ||
793 | /// <returns>String containing C# code for ListConstant lc.</returns> | ||
794 | private string GenerateListConstant(ListConstant lc) | ||
795 | { | ||
796 | string retstr = String.Empty; | ||
797 | |||
798 | retstr += Generate(String.Format("new {0}(", lc.Type), lc); | ||
799 | |||
800 | foreach (SYMBOL kid in lc.kids) | ||
801 | retstr += GenerateNode(kid); | ||
802 | |||
803 | retstr += Generate(")"); | ||
804 | |||
805 | return retstr; | ||
806 | } | ||
807 | |||
808 | /// <summary> | ||
809 | /// Prints a newline. | ||
810 | /// </summary> | ||
811 | /// <returns>A newline.</returns> | ||
812 | private string GenerateLine() | ||
813 | { | ||
814 | return GenerateLine(""); | ||
815 | } | ||
816 | |||
817 | /// <summary> | ||
818 | /// Prints text, followed by a newline. | ||
819 | /// </summary> | ||
820 | /// <param name="s">String of text to print.</param> | ||
821 | /// <returns>String s followed by newline.</returns> | ||
822 | private string GenerateLine(string s) | ||
823 | { | ||
824 | return GenerateLine(s, null); | ||
825 | } | ||
826 | |||
827 | /// <summary> | ||
828 | /// Prints text, followed by a newline. | ||
829 | /// </summary> | ||
830 | /// <param name="s">String of text to print.</param> | ||
831 | /// <param name="sym">Symbol being generated to extract original line | ||
832 | /// number and column from.</param> | ||
833 | /// <returns>String s followed by newline.</returns> | ||
834 | private string GenerateLine(string s, SYMBOL sym) | ||
835 | { | ||
836 | string retstr = Generate(s, sym) + "\n"; | ||
837 | |||
838 | m_CSharpLine++; | ||
839 | m_CSharpCol = 1; | ||
840 | |||
841 | return retstr; | ||
842 | } | ||
843 | |||
844 | /// <summary> | ||
845 | /// Prints text. | ||
846 | /// </summary> | ||
847 | /// <param name="s">String of text to print.</param> | ||
848 | /// <returns>String s.</returns> | ||
849 | private string Generate(string s) | ||
850 | { | ||
851 | return Generate(s, null); | ||
852 | } | ||
853 | |||
854 | /// <summary> | ||
855 | /// Prints text. | ||
856 | /// </summary> | ||
857 | /// <param name="s">String of text to print.</param> | ||
858 | /// <param name="sym">Symbol being generated to extract original line | ||
859 | /// number and column from.</param> | ||
860 | /// <returns>String s.</returns> | ||
861 | private string Generate(string s, SYMBOL sym) | ||
862 | { | ||
863 | if (null != sym) | ||
864 | m_positionMap.Add(new KeyValuePair<int, int>(m_CSharpLine, m_CSharpCol), new KeyValuePair<int, int>(sym.Line, sym.Position)); | ||
865 | |||
866 | m_CSharpCol += s.Length; | ||
867 | |||
868 | return s; | ||
869 | } | ||
870 | |||
871 | /// <summary> | ||
872 | /// Prints text correctly indented, followed by a newline. | ||
873 | /// </summary> | ||
874 | /// <param name="s">String of text to print.</param> | ||
875 | /// <returns>Properly indented string s followed by newline.</returns> | ||
876 | private string GenerateIndentedLine(string s) | ||
877 | { | ||
878 | return GenerateIndentedLine(s, null); | ||
879 | } | ||
880 | |||
881 | /// <summary> | ||
882 | /// Prints text correctly indented, followed by a newline. | ||
883 | /// </summary> | ||
884 | /// <param name="s">String of text to print.</param> | ||
885 | /// <param name="sym">Symbol being generated to extract original line | ||
886 | /// number and column from.</param> | ||
887 | /// <returns>Properly indented string s followed by newline.</returns> | ||
888 | private string GenerateIndentedLine(string s, SYMBOL sym) | ||
889 | { | ||
890 | string retstr = GenerateIndented(s, sym) + "\n"; | ||
891 | |||
892 | m_CSharpLine++; | ||
893 | m_CSharpCol = 1; | ||
894 | |||
895 | return retstr; | ||
896 | } | ||
897 | |||
898 | /// <summary> | ||
899 | /// Prints text correctly indented. | ||
900 | /// </summary> | ||
901 | /// <param name="s">String of text to print.</param> | ||
902 | /// <returns>Properly indented string s.</returns> | ||
903 | //private string GenerateIndented(string s) | ||
904 | //{ | ||
905 | // return GenerateIndented(s, null); | ||
906 | //} | ||
907 | // THIS FUNCTION IS COMMENTED OUT TO SUPPRESS WARNINGS | ||
908 | |||
909 | /// <summary> | ||
910 | /// Prints text correctly indented. | ||
911 | /// </summary> | ||
912 | /// <param name="s">String of text to print.</param> | ||
913 | /// <param name="sym">Symbol being generated to extract original line | ||
914 | /// number and column from.</param> | ||
915 | /// <returns>Properly indented string s.</returns> | ||
916 | private string GenerateIndented(string s, SYMBOL sym) | ||
917 | { | ||
918 | string retstr = Indent() + s; | ||
919 | |||
920 | if (null != sym) | ||
921 | m_positionMap.Add(new KeyValuePair<int, int>(m_CSharpLine, m_CSharpCol), new KeyValuePair<int, int>(sym.Line, sym.Position)); | ||
922 | |||
923 | m_CSharpCol += s.Length; | ||
924 | |||
925 | return retstr; | ||
926 | } | ||
927 | |||
928 | /// <summary> | ||
929 | /// Prints correct indentation. | ||
930 | /// </summary> | ||
931 | /// <returns>Indentation based on brace count.</returns> | ||
932 | private string Indent() | ||
933 | { | ||
934 | string retstr = String.Empty; | ||
935 | |||
936 | for (int i = 0; i < m_braceCount; i++) | ||
937 | for (int j = 0; j < m_indentWidth; j++) | ||
938 | { | ||
939 | retstr += " "; | ||
940 | m_CSharpCol++; | ||
941 | } | ||
942 | |||
943 | return retstr; | ||
944 | } | ||
945 | } | ||
946 | } | ||