lua-users home
lua-l archive

[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index] [Thread Index]


I've been working on a toy tool to allow C code to be embedded inline in Lua. So you can write code like this:

:	-- example.clua
:	x=1
:	y=2
:	cfunction add
:	{
:		float a = luaL_checknumber(L, 1);
:		float b = luaL_checknumber(L, 2);
:		lua_pushnumber(L, a+b);
:		return 1;
:	} end
:	print(add(x,y))

To run this example, you would run this code through the attached tool 'clua':

$ clua example.clua example

and it would produce two output files: "example.out.lua" and "libexample.out.c". Then you would compile "libexample.out.c" into a shared library called "" and run "example.out.lua" using a normal Lua interpreter.

I'm not sure what this is good for. The current version doesn't allow any header files other than <lua.h> and <lauxlib.h>, so at present it's useless for interfacing with C libraries. However, that would be an easy feature to add if anybody is interested in this tool.

Tim Maxwell

Attachment: clua.c
Description: Binary data

Attachment: clua.lex
Description: Binary data

Attachment: tokens.h
Description: Binary data