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match a Lua string, comment, or expression by loose parsing in pure Lua
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davidm/lua-balanced
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== Description == This module can, for example, match a Lua string, Lua comment, or Lua expression. It is useful in particular for source filters or parsing Lua snippets embedded in another language. It is inspired by Damian Conway's Text::Balanced [2] in Perl. The unique feature of this implementation is that that it does not rigorously lex and parse the Lua grammar. It doesn't need to. It assumes during the parse that the Lua code is syntactically correct (which can be verified later using loadstring). By assuming this, extraction of delimited sequences is significantly simplified yet can still be robust, and it also supports supersets of the Lua grammar. The code, which is written entirely in Lua, is just under 200 lines of Lua code (compare to Yueliang used in MetaLua, where the lexer alone is a few hundred lines). == Project Page == Home page: http://lua-users.org/wiki/LuaBalanced == Author == (c) 2008-2011, David Manura, Licensed under the same terms as Lua (MIT license). == References == [1] http://lua-users.org/wiki/LuaBalanced [2] http://search.cpan.org/dist/Text-Balanced/lib/Text/Balanced.pm
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match a Lua string, comment, or expression by loose parsing in pure Lua
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