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fix operators, only binary

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This commit is contained in:
Torsten Ruger
2015-10-09 17:25:09 +03:00
parent ba7ecbfa7b
commit af8febe456
17 changed files with 81 additions and 82 deletions
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51
lib/parser/operators.rb
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@ -1,48 +1,15 @@
module Parser
module Operators
include Parslet
rule(:exponent) { str('**') >> space?}
rule(:multiply) { match['*/%'] >> space? }
rule(:plus) { match['+-'] >> space? }
rule(:shift) { str(">>") | str("<<") >> space?}
rule(:bit_and) { str('&') >> space?}
rule(:bit_or) { str('|') >> space?}
rule(:greater_equal) { str('>=') >> space?}
rule(:less_or_equal) { str('<=') >> space?}
rule(:larger) { str('>') >> space?}
rule(:smaller) { str('<') >> space?}
rule(:identity) { str('===') >> space?}
rule(:equal) { str('==') >> space?}
rule(:not_equal) { str('!=') >> space?}
rule(:boolean_and) { str('&&') | str("and") >> space?}
rule(:boolean_or) { str('||') | str("or") >> space?}
rule(:assign) { str('=') >> space?}
rule(:op_assign) { str('+=')|str('-=')|str('*=')|str('/=')|str('%=') >> space?}
rule(:eclipse) { str('..') |str("...") >> space?}
rule(:assign) { str('=') >> space?}
#infix doing the heavy lifting here,
# is defined as an expressions and array of [atoms,priority,binding] triples
rule(:operator_expression) do infix_expression(r_value,
[exponent, 120, :left] ,
[multiply, 120, :left] ,
[plus, 110, :left],
[shift, 100, :left],
[bit_and, 90, :left],
[bit_or, 90, :right],
[greater_equal, 80, :left],
[less_or_equal, 80, :left],
[larger, 80, :left],
[smaller, 80, :left],
[identity, 70, :right],
[equal, 70, :right],
[not_equal, 70, :right],
[boolean_and, 60, :left],
[boolean_or, 50, :right],
[eclipse, 40, :right],
[keyword_rescue, 30, :right],
[assign, 20, :right],
[op_assign, 20, :right] ) >> space?
end
rule(:operator_sym) {
str('**') | str('*') | str('/') | str('/') | str('%') |
str('+') | str('-') | str('<<')| str('>>') |
str('|') | str('&') |
str('>=') | str('<=') | str('>') | str('<') |
str('==') | str('!=') }
rule(:operator_value) { (field_access|basic_type).as(:left) >>
operator_sym.as(:operator) >> space? >> (field_access|basic_type).as(:right) }
end
end