58 lines
1.7 KiB
Ruby
Executable file
58 lines
1.7 KiB
Ruby
Executable file
module Mm2ep
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module Depend
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class Parser < Rly::Yacc
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precedence :left, 'OR_OP', 'EQ_OP'
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precedence :right, 'AND_OP', 'NOT_OP'
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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 : VAR' do |ex, l|
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ex.value = l.value
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end
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rule 'expr : T_BOOL' do |ex, l|
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ex.value = l.value
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end
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rule 'expr : F_BOOL' do |ex, l|
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ex.value = l.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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end # class
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end # module
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end # module
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