method
compile
Ruby latest stable (v2_5_5)
-
0 notes -
Class: TokenPattern
- 1_8_6_287
- 1_8_7_72
- 1_8_7_330
- 1_9_1_378 (0)
- 1_9_2_180 (0)
- 1_9_3_125 (0)
- 1_9_3_392 (0)
- 2_1_10 (0)
- 2_2_9 (0)
- 2_4_6 (0)
- 2_5_5 (0)
- 2_6_3 (0)
- What's this?
compile(pattern)
private
Hide source
# File ext/ripper/lib/ripper/lexer.rb, line 191 def compile(pattern) if m = /[^\w\s$()\[\]{}?*+\.]/.match(pattern) raise CompileError, "invalid char in pattern: #{m[0].inspect}" end buf = '' pattern.scan(/(?:\w+|\$\(|[()\[\]\{\}?*+\.]+)/) do |tok| case tok when /\w/ buf.concat map_token(tok) when '$(' buf.concat '(' when '(' buf.concat '(?:' when /[?*\[\])\.]/ buf.concat tok else raise 'must not happen' end end Regexp.compile(buf) rescue RegexpError => err raise CompileError, err.message end