63 lines
1.9 KiB
Ruby
Executable file
63 lines
1.9 KiB
Ruby
Executable file
module Mm2ep
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module Depend
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class Parser < Rly::Yacc
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rule 'statement : expr' do |st, e|
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st.value = e.value
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end
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rule 'expr : NOT_OP SPACE expr' do |ex, l, s, e|
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ex.value = "#{l.value} #{s.value} #{e.value}"
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end
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rule 'expr : expr SPACE AND_OP SPACE expr' do |ex, l, s, e, sp, r|
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ex.value = "#{l.value} #{s.value} #{e.value} #{sp.value} #{r.value}"
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end
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rule 'expr : expr SPACE OR_OP SPACE expr' do |ex, l, s, e, sp, r|
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ex.value = "#{l.value} #{s.value} #{e.value} #{sp.value} #{r.value}"
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end
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rule 'expr : L_PAR SPACE expr SPACE R_PAR' do |ex, l, s, e, sp, r|
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ex.value = "#{l.value} #{s.value} #{e.value} #{sp.value} #{r.value}"
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end
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rule 'expr : VAR SPACE EQ_OP SPACE F_BOOL' do |ex, v, s, eq, _, n|
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ex.value = "#{v.value} #{s.value} #{eq.value} #{s.value} #{n.value}"
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end
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rule 'expr : VAR SPACE EQ_OP SPACE T_BOOL' do |ex, v, s, eq, _, n|
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ex.value = "#{v.value} #{s.value} #{eq.value} #{s.value} #{n.value}"
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end
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rule 'expr : VAR SPACE EQ_OP SPACE STRING' do |ex, v, s, eq, _, n|
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ex.value = "#{v.value} #{s.value} #{eq.value} #{s.value} #{n.value}"
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end
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rule 'expr : VAR SPACE EQ_OP SPACE NUMBER' do |ex, v, s, eq, _, n|
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ex.value = "#{v.value} #{s.value} #{eq.value} #{s.value} #{n.value}"
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end
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# lexer do
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#
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# end
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#
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# def initialize
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# @tokens = []
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# end
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#
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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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