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Class: Opal::Nodes::OpAsgn2Node

Inherits:
Base
  • Object
  • Base
  • Opal::Nodes::OpAsgn2Node
show all
Defined in:
opal/lib/opal/nodes/call_special.rb

Overview

lhs.b += rhs s(:op_asgn2, lhs, :b=, :+, rhs)

Constant Summary

Constants included from Helpers

Helpers::BASIC_IDENTIFIER_RULES , Helpers::ES3_RESERVED_WORD_EXCLUSIVE , Helpers::ES51_RESERVED_WORD , Helpers::IMMUTABLE_PROPS , Helpers::PROTO_SPECIAL_METHODS , Helpers::PROTO_SPECIAL_PROPS

Instance Attribute Summary

Attributes inherited from Base

#compiler , #type

Instance Method Summary collapse

Methods inherited from Base

#add_gvar , #add_ivar , #add_local , #add_temp , children , #children , #compile_to_fragments , #error , #expr , #expr? , #expr_or_nil , #fragment , handle , handlers , #helper , #in_while? , #initialize , #process , #push , #recv , #recv? , #s , #scope , #stmt , #stmt? , truthy_optimize? , #unshift , #while_loop , #with_temp , #wrap

Methods included from Helpers

#current_indent , #empty_line , #indent , #ivar , #js_falsy , #js_truthy , #js_truthy_optimize , #line , #lvar_to_js , #mid_to_jsid , #property , #valid_ivar_name? , #valid_name? , #variable

Constructor Details

This class inherits a constructor from Opal::Nodes::Base

Instance Method Details

#compileObject

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# File 'opal/lib/opal/nodes/call_special.rb', line 213
def compile
 case op.to_s
 when '||' then compile_or
 when '&&' then compile_and
 else compile_operator
 end
end

#compile_andObject

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# File 'opal/lib/opal/nodes/call_special.rb', line 231
def compile_and
 with_temp do |tmp|
 getr = s(:call, s(:js_tmp, tmp), meth, s(:arglist))
 asgn = s(:call, s(:js_tmp, tmp), mid, s(:arglist, rhs))
 andop = s(:and, getr, asgn)
 push "(#{tmp} = ", expr(lhs), ", ", expr(andop), ")"
 end
end

#compile_operatorObject

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# File 'opal/lib/opal/nodes/call_special.rb', line 241
def compile_operator
 with_temp do |tmp|
 getr = s(:call, s(:js_tmp, tmp), meth, s(:arglist))
 oper = s(:call, getr, op, s(:arglist, rhs))
 asgn = s(:call, s(:js_tmp, tmp), mid, s(:arglist, oper))
 push "(#{tmp} = ", expr(lhs), ", ", expr(asgn), ")"
 end
end

#compile_orObject

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# File 'opal/lib/opal/nodes/call_special.rb', line 221
def compile_or
 with_temp do |tmp|
 getr = s(:call, s(:js_tmp, tmp), meth, s(:arglist))
 asgn = s(:call, s(:js_tmp, tmp), mid, s(:arglist, rhs))
 orop = s(:or, getr, asgn)
 push "(#{tmp} = ", expr(lhs), ", ", expr(orop), ")"
 end
end

#methObject

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# File 'opal/lib/opal/nodes/call_special.rb', line 209
def meth
 mid.to_s[0..-2]
end

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