Class: Opal::Nodes::NodeWithArgs

Inherits:
ScopeNode show all
Defined in:
opal/lib/opal/nodes/node_with_args.rb

Direct Known Subclasses

DefNode, IterNode

Instance Attribute Summary collapse

Attributes inherited from ScopeNode

#block_name, #catch_return, #defs, #gvars, #has_break, #identity, #ivars, #locals, #methods, #mid, #name, #parent, #rescue_else_sexp, #scope_name, #uses_super, #uses_zuper

Attributes inherited from Base

#compiler, #type

Instance Method Summary collapse

Methods inherited from ScopeNode

#add_arg, #add_proto_ivar, #add_scope_gvar, #add_scope_ivar, #add_scope_local, #add_scope_temp, #class?, #class_scope?, #def?, #def_in_class?, #find_parent_def, #has_local?, #has_rescue_else?, #has_temp?, #identify!, #in_ensure, #in_ensure?, #in_scope, #in_while?, #iter?, #module?, #new_temp, #next_temp, #pop_while, #push_while, #queue_temp, #sclass?, #super_chain, #to_vars, #top?, #uses_block!, #uses_block?

Methods inherited from Base

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

Methods included from Helpers

#conditional_send, #current_indent, #empty_line, #indent, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #mid_to_jsid, #property, #valid_name?

Constructor Details

#initializeNodeWithArgs

Returns a new instance of NodeWithArgs.


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 13

def initialize(*)
  super

  @original_args = @sexp.meta[:original_args]
  @used_kwargs = []
  @arity = 0
end

Instance Attribute Details

#arityObject

Returns the value of attribute arity.


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 10

def arity
  @arity
end

#original_argsObject (readonly)

Returns the value of attribute original_args.


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 11

def original_args
  @original_args
end

#used_kwargsObject (readonly)

Returns the value of attribute used_kwargs.


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 9

def used_kwargs
  @used_kwargs
end

Instance Method Details

#arity_check_nodeObject


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 21

def arity_check_node
  s(:arity_check, original_args)
end

#compile_arity_checkObject

Returns code used in debug mode to check arity of method call


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 26

def compile_arity_check
  push process(arity_check_node)
end

#compile_block_argObject


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 30

def compile_block_arg
  if scope.uses_block?
    scope_name  = scope.identity
    yielder     = scope.block_name || '$yield'

    add_temp "$iter = #{scope_name}.$$p"
    add_temp "#{yielder} = $iter || nil"

    line "if ($iter) #{scope_name}.$$p = null;"
  end
end

#parameters_codeObject


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# File 'opal/lib/opal/nodes/node_with_args.rb', line 42

def parameters_code
  Args::Parameters.new(original_args).to_code
end