Class: Opal::Nodes::OpAsgn1Node
- Defined in:
- opal/lib/opal/nodes/call_special.rb
Overview
lhs[args] ||= rhs s(:op_asgn1, lhs, args, :||, 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
Instance Method Summary collapse
- #compile ⇒ Object
- #compile_and ⇒ Object
- #compile_operator ⇒ Object
- #compile_or ⇒ Object
- #first_arg ⇒ Object
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
#compile ⇒ Object
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# File 'opal/lib/opal/nodes/call_special.rb', line 154 def compile case op.to_s when '||' then compile_or when '&&' then compile_and else compile_operator end end
#compile_and ⇒ Object
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# File 'opal/lib/opal/nodes/call_special.rb', line 188 def compile_and with_temp do |a| # args with_temp do |r| # recv aref = s(:call, s(:js_tmp, r), :[], s(:arglist, s(:js_tmp, a))) aset = s(:call, s(:js_tmp, r), :[]=, s(:arglist, s(:js_tmp, a), rhs)) andop = s(:and, aref, aset) push "(#{a} = ", expr(first_arg), ", #{r} = ", expr(lhs) push ", ", expr(andop), ")" end end end
#compile_operator ⇒ Object
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# File 'opal/lib/opal/nodes/call_special.rb', line 162 def compile_operator with_temp do |a| # args with_temp do |r| # recv cur = s(:call, s(:js_tmp, r), :[], s(:arglist, s(:js_tmp, a))) rhs = s(:call, cur, op.to_sym, s(:arglist, self.rhs)) call = s(:call, s(:js_tmp, r), :[]=, s(:arglist, s(:js_tmp, a), rhs)) push "(#{a} = ", expr(first_arg), ", #{r} = ", expr(lhs) push ", ", expr(call), ")" end end end
#compile_or ⇒ Object
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# File 'opal/lib/opal/nodes/call_special.rb', line 175 def compile_or with_temp do |a| # args with_temp do |r| # recv aref = s(:call, s(:js_tmp, r), :[], s(:arglist, s(:js_tmp, a))) aset = s(:call, s(:js_tmp, r), :[]=, s(:arglist, s(:js_tmp, a), rhs)) orop = s(:or, aref, aset) push "(#{a} = ", expr(first_arg), ", #{r} = ", expr(lhs) push ", ", expr(orop), ")" end end end
#first_arg ⇒ Object
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# File 'opal/lib/opal/nodes/call_special.rb', line 150 def first_arg args[1] end