40 lines
835 B
Ruby
Executable file
40 lines
835 B
Ruby
Executable file
module Mm2ep
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module Depend
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class Lexer < Rly::Lex
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attr_reader :logger
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ignore "\t\n "
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# token :SPACE, /\s+/
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token :L_PAR, /\(/
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token :R_PAR, /\)/
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token :NUMBER, /[0-9]+(\.[0-9]+)?/
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token :STRING, /"([^"]*)"/ do |s|
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s.value.gsub!(/"(.*)"/, '\1')
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s
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end
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token :EQ_OP, /\=/
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token :T_BOOL, /true/i
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token :F_BOOL, /false/i
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token :VAR, /[a-z][a-zA-Z0-9_]+/
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token :AND_OP, /AND/
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token :OR_OP, /OR/
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token :NOT_OP, /NOT/
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def initialize(logger = nil)
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@logger = logger
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super()
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end
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on_error do |t|
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unless t.lexer.logger.nil?
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t.lexer.logger.error "Illegal character #{t.value}"
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end
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t.lexer.pos += 1
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nil
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end
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end # class
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end # module
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end # module
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