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Class: Opal::Nodes::NodeWithArgs

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

Direct Known Subclasses

DefNode , IterNode

Defined Under Namespace

Classes: Shortcut

Instance Attribute Summary collapse

Attributes inherited from ScopeNode

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

Attributes inherited from Base

#compiler , #sexp , #type

Attributes included from Closure::NodeSupport

#closure

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ScopeNode

#accepts_using? , #add_arg , #add_proto_ivar , #add_scope_gvar , #add_scope_ivar , #add_scope_local , #add_scope_temp , #class? , #class_scope? , #collect_refinements_temps , #current_rescue , #def? , #def_in_class? , #defines_lambda , #find_parent_def , #gen_retry_id , #has_local? , #has_rescue_else? , #has_temp? , #identify! , #in_ensure , #in_ensure? , #in_resbody , #in_resbody? , #in_rescue , #in_scope , #in_while? , #is_lambda! , #iter? , #lambda? , #lambda_definition? , #module? , #nesting , #new_refinements_temp , #new_temp , #next_temp , #pop_while , #prepare_block , #prepend_scope_temp , #push_while , #queue_temp , #refinements_temp , #relative_access , #sclass? , #scope_locals , #self , #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_empty , #expr_or_nil , #fragment , handle , handlers , #has_rescue_else? , #helper , #in_ensure , #in_ensure? , #in_resbody , #in_resbody? , #in_rescue , #in_while? , #process , #push , #recv , #recv? , #s , #scope , #source_location , #stmt , #stmt? , #top_scope , truthy_optimize? , #unshift , #while_loop , #with_temp , #wrap

Methods included from Closure::NodeSupport

#closure_is? , #compile_catcher , #generate_thrower , #generate_thrower_without_catcher , #in_closure , #pop_closure , #push_closure , #select_closure , #thrower

Methods included from Helpers

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

Constructor Details

#initialize ⇒ NodeWithArgs

Returns a new instance of NodeWithArgs.

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# File 'opal/lib/opal/nodes/node_with_args.rb', line 14
def initialize(*)
 super
 @original_args = @sexp.meta[:original_args]
 @used_kwargs = []
 @arity = 0
end

Instance Attribute Details

#arity ⇒ Object

Returns the value of attribute arity.

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# File 'opal/lib/opal/nodes/node_with_args.rb', line 11
def arity
 @arity
end

#original_args ⇒ Object (readonly)

Returns the value of attribute original_args.

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# File 'opal/lib/opal/nodes/node_with_args.rb', line 12
def original_args
 @original_args
end

#used_kwargs ⇒ Object (readonly)

Returns the value of attribute used_kwargs.

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# File 'opal/lib/opal/nodes/node_with_args.rb', line 10
def used_kwargs
 @used_kwargs
end

Class Method Details

.define_shortcut(name, **kwargs, &block) ⇒ Object 

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# File 'opal/lib/opal/nodes/node_with_args/shortcuts.rb', line 20
def self.define_shortcut(name, **kwargs, &block)
 kwargs[:for] ||= :def
 @shortcuts << Shortcut .new (name, kwargs[:for], kwargs[:when], block)
end

.shortcuts_for(node_type) ⇒ Object 

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# File 'opal/lib/opal/nodes/node_with_args/shortcuts.rb', line 25
def self.shortcuts_for(node_type)
 @shortcuts_for[node_type] ||=
 @shortcuts.select do |shortcut|
 [node_type, :*].include? shortcut.for
 end
end

Instance Method Details

#arity_check_node ⇒ Object 

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# File 'opal/lib/opal/nodes/node_with_args.rb', line 22
def arity_check_node
 s(:arity_check, original_args)
end

#compile_arity_check ⇒ Object

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 27
def compile_arity_check
 push process(arity_check_node)
end

#compile_block_arg ⇒ Object 

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# File 'opal/lib/opal/nodes/node_with_args.rb', line 31
def compile_block_arg
 if scope.uses_block?
 scope.prepare_block
 end
end

#compile_body_or_shortcut ⇒ Object 

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# File 'opal/lib/opal/nodes/node_with_args/shortcuts.rb', line 32
def compile_body_or_shortcut
 # The shortcuts don't check arity. If we want to check arity,
 # we can't use them.
 return compile_body if compiler.arity_check?
 node_type = is_a?(DefNode ) ? :def : :iter
 NodeWithArgs .shortcuts_for (node_type).each do |shortcut|
 if shortcut.match?(self)
 if ENV['OPAL_DEBUG_SHORTCUTS']
 node_desc = node_type == :def ? "def #{mid}" : "iter"
 warn "* shortcut #{shortcut.name} used for #{node_desc}"
 end
 return shortcut.compile(self)
 end
 end
 compile_body
end

#parameters_code ⇒ Object 

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# File 'opal/lib/opal/nodes/node_with_args.rb', line 37
def parameters_code
 Args ::Parameters .new (original_args).to_code 
end

#simple_value?(node = stmts) ⇒ Boolean

Returns:

  • (Boolean) 
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# File 'opal/lib/opal/nodes/node_with_args/shortcuts.rb', line 61
def simple_value?(node = stmts)
 %i[truefalsenilintfloatstrsym].include?(node.type)
end

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