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
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?, #unshift, #while_loop, #with_temp, #wrap
Methods included from Helpers
#current_indent, #empty_line, #indent, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #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 80 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 114 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 88 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 101 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 76 def first_arg args[1] end |