Class: Y2R::AST::YCP::Compare

Inherits:
Node
  • Object
show all
Defined in:
lib/y2r/ast/ycp.rb

Constant Summary collapse

OPS_TO_OPS = 
{
  "==" => "==",
  "!=" => "!="
}
OPS_TO_METHODS = 
{
  "<"  => "less_than",
  ">"  => "greater_than",
  "<=" => "less_or_equal",
  ">=" => "greater_or_equal"
}

Instance Method Summary collapse

Methods inherited from Node

#always_returns?, #compile_as_copy_if_needed, #compile_statements, #compile_statements_inside_block, #compile_statements_with_whitespace, #creates_local_scope?, #needs_copy?, #never_nil?, #optimize_last_statement, #optimize_next, #optimize_return, #remove_duplicate_imports, transfers_comments

Instance Method Details

#compile(context) ⇒ Object 



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# File 'lib/y2r/ast/ycp.rb', line 1062

def compile(context)
  if OPS_TO_OPS[op]
    Ruby::BinaryOperator.new(
      :op       => OPS_TO_OPS[op],
      :lhs      => lhs.compile(context),
      :rhs      => rhs.compile(context)
    )
  elsif OPS_TO_METHODS[op]
    Ruby::MethodCall.new(
      :receiver => Ruby::Variable.new(:name => "Ops"),
      :name     => OPS_TO_METHODS[op],
      :args     => [lhs.compile(context), rhs.compile(context)],
      :block    => nil,
      :parens   => true
    )
  else
    raise "Unknown compare operator #{op}."
  end
end