41 lines
907 B
Ruby
41 lines
907 B
Ruby
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module Mm2ep
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module Depend
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class Parser
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attr_reader :tokens
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TOKEN = {
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'L_PAR' => "(",
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'NUMBER' => /[0-9]+(\.[0-9]+)?/,
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'STRING' => /"[^"]*"/,
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'EQ_OP' => "=",
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'T_BOOL' => /[tT]rue/,
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'F_BOOL' => /[fF]alse/,
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'VAR' => /[a-z][a-zA-Z0-9_]+/,
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'AND_OP' => "AND",
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'OR_OP' => "OR",
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'NOT_OP' => "NOT",
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'SPACE' => /\s+/,
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'R_PAR' => ")"
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}.freeze
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def initialize
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@tokens = []
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end
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def parse s
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s = s.split(' ')
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s.each_with_index do |element, idx|
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TOKEN.each do |token, regex|
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next if element.sub!(regex, '').nil?
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@tokens << token
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break if element.nil?
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end
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@tokens <<'SPACE' unless idx == s.length-1
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end
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puts @tokens
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end # def
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end # class
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end # module
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end # module
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