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authorDavid Walter Seikel2012-01-17 13:15:32 +1000
committerDavid Walter Seikel2012-01-17 13:15:32 +1000
commit14023eed3e31aa7f857f26cff5d2d3d39b82035f (patch)
treecf86854c71014ea78e29f473ac8723102d999ac4 /LuaSL/README
parentUse EFL logging. (diff)
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Cleanups for EFL.
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@@ -5,6 +5,10 @@ compatability first, then adding Lua extensions. It aims to replace the
5woeful XEngine from OpenSim, and at a later stage, be the basis for a 5woeful XEngine from OpenSim, and at a later stage, be the basis for a
6client side scripting engine. 6client side scripting engine.
7 7
8To compile this, you will need Enlightenment Foundation Libraries (EFL)
9installed in either /opt/e17 or /usr. These are typical places it get's
10installed in.
11
8 12
9Design. 13Design.
10------- 14-------
@@ -61,23 +65,3 @@ etc.
61 65
62Performance testing will have to be done on 5000 scripts, to see how 66Performance testing will have to be done on 5000 scripts, to see how
63that compares against XEngine. 67that compares against XEngine.
64
65
66Parser.
67-------
68
69The SL viewer code includes a flex/bison based parser that generates C++
70code that depends on various other bits of LL source code. It's GPL 2,
71though the flex and bison source files includes no license text.
72
73Flex is BSD and written in C. Bison is GNU (GPL 3 since 2.4.1, 2.3 is
74GPL2) and written in C. It used to include info that stuff generated by
75bison had to be GPL. Berkeley YACC is public domain, and written in C.
76There is also btyacc, based on the berkeley version, but with some
77useful extras. btyacc version 3 (the version coming from my version of
78Ubuntu) apparently no longer supports C, only C++. It's written in C
79though.
80
81Let's see if flex and btyacc will do the trick, and output C. Might be
82best to have the LSL to Lua converter as a seperate executable. Think
83I'll end up writing my own parser.