From fad15f79b1230b3076be515d6894c8919562809b Mon Sep 17 00:00:00 2001 From: mitchell Date: Sat, 25 Apr 2020 16:26:31 -0400 Subject: Reformatted Lua LPeg lexers and added new convenience functions and pattern. `lexer.range()` replaces `lexer.delimited_range()` and `lexer.nested_pair()`. `lexer.to_eol()` replaces `patt * lexer.nonnewline^0` constructs. `lexer.number` replaces `lexer.float + lexer.integer`. Also added unit tests for lexer functions. --- lexlua/rstats.lua | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'lexlua/rstats.lua') diff --git a/lexlua/rstats.lua b/lexlua/rstats.lua index 978a73c25..d499dc500 100644 --- a/lexlua/rstats.lua +++ b/lexlua/rstats.lua @@ -26,15 +26,15 @@ lex:add_rule('type', token(lexer.TYPE, word_match[[ lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word)) -- Strings. -lex:add_rule('string', token(lexer.STRING, lexer.delimited_range("'", true) + - lexer.delimited_range('"', true))) +local sq_str = lexer.range("'", true) +local dq_str = lexer.range('"', true) +lex:add_rule('string', token(lexer.STRING, sq_str + dq_str)) -- Comments. -lex:add_rule('comment', token(lexer.COMMENT, '#' * lexer.nonnewline^0)) +lex:add_rule('comment', token(lexer.COMMENT, lexer.to_eol('#'))) -- Numbers. -lex:add_rule('number', token(lexer.NUMBER, (lexer.float + lexer.integer) * - P('i')^-1)) +lex:add_rule('number', token(lexer.NUMBER, lexer.number * P('i')^-1)) -- Operators. lex:add_rule('operator', token(lexer.OPERATOR, S('<->+*/^=.,:;|$()[]{}'))) -- cgit v1.2.3