Class: Opal::Rewriters::MlhsArgs::Arguments
- Defined in:
- opal/lib/opal/rewriters/mlhs_args.rb
Constant Summary
Constants inherited from Base
Instance Attribute Summary collapse
-
#initialization ⇒ Object
readonly
Returns the value of attribute initialization.
-
#rewritten ⇒ Object
readonly
Returns the value of attribute rewritten.
Attributes inherited from Base
Instance Method Summary collapse
-
#initialize(args) ⇒ Arguments
constructor
A new instance of Arguments.
- #new_mlhs_tmp ⇒ Object
- #reset_tmp_counter! ⇒ Object
- #split! ⇒ Object
Methods inherited from Base
#append_to_body, #begin_with_stmts, #error, #prepend_to_body, #process, #s, s, #stmts_of
Constructor Details
#initialize(args) ⇒ Arguments
Returns a new instance of Arguments.
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# File 'opal/lib/opal/rewriters/mlhs_args.rb', line 70 def initialize(args) @args = args @rewritten = [] @initialization = [] @rewriter = MlhsRewriter.new split! end |
Instance Attribute Details
#initialization ⇒ Object (readonly)
Returns the value of attribute initialization.
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# File 'opal/lib/opal/rewriters/mlhs_args.rb', line 68 def initialization @initialization end |
#rewritten ⇒ Object (readonly)
Returns the value of attribute rewritten.
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# File 'opal/lib/opal/rewriters/mlhs_args.rb', line 68 def rewritten @rewritten end |
Instance Method Details
#new_mlhs_tmp ⇒ Object
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# File 'opal/lib/opal/rewriters/mlhs_args.rb', line 83 def new_mlhs_tmp @counter ||= 0 @counter += 1 :"$mlhs_tmp#{@counter}" end |
#reset_tmp_counter! ⇒ Object
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# File 'opal/lib/opal/rewriters/mlhs_args.rb', line 79 def reset_tmp_counter! @counter = 0 end |
#split! ⇒ Object
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# File 'opal/lib/opal/rewriters/mlhs_args.rb', line 89 def split! @args.children.each do |arg| if arg.type == :mlhs var_name = new_mlhs_tmp rhs = s(:lvar, var_name) mlhs = @rewriter.process(arg) @initialization << s(:masgn, mlhs, rhs) @rewritten << s(:arg, var_name).updated(nil, nil, meta: { arg_name: var_name }) else @rewritten << arg end end if @initialization.length == 1 @initialization = @initialization[0] elsif @initialization.empty? @initialization = nil else @initialization = s(:begin, *@initialization) end end |