Correct some operator in parser
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1 changed files with 33 additions and 12 deletions
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@ -3,24 +3,41 @@ module Mm2ep
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class And_op
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attr_reader :expr1, :expr2
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def initialize expr1, expr2
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@expr1 = expr1
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@expr2 = expr2
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unless expr1.value.to_s.match(/true/).nil?
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@expr1 = true
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else
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@expr1 = false
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end
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unless expr2.value.to_s.match(/true/).nil?
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@expr2 = true
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else
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@expr2 = false
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end
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end
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def and_op
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return expr1 && expr2
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binding.pry
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return @expr1 && @expr2
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end
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end
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class Or_op
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attr_reader :expr1, :expr2
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def initialize expr1, expr2
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@expr1 = expr1
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@expr2 = expr2
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unless expr1.value.to_s.match(/true/).nil?
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@expr1 = true
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else
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@expr1 = false
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end
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unless expr2.value.to_s.match(/true/).nil?
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@expr2 = true
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else
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@expr2 = false
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end
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end
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def or_op
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return expr1 || expr2
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return @expr1 || @expr2
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end
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end
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@ -32,7 +49,7 @@ module Mm2ep
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def not_op
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# binding.pry
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return true unless expr.value.to_s.eql? 'true'
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return true unless @expr.value.to_s.eql? 'true'
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return false
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end
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end
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@ -40,19 +57,23 @@ module Mm2ep
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class Eq_op
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attr_reader :val, :other
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def initialize val, other
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@val = val
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@other = other
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@val = val.value.to_s
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if other.value.to_s.match(/true/).nil?
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@other = true
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else
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@other = false
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end
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end
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def eq_op
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return val = other
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return val = @other
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end
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end
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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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precedence :left, '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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