Class: Opal::Nodes::RuntimeHelpers

Inherits:
Base
  • Object
show all
Defined in:
opal/lib/opal/nodes/runtime_helpers.rb

Constant Summary

HELPERS = 
Set.new

Instance Attribute Summary

Attributes inherited from Base

#compiler, #type

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#add_gvar, #add_ivar, #add_local, #add_temp, #children, children, #class_variable_owner, #class_variable_owner_nesting_level, #comments, #compile_to_fragments, #error, #expr, #expr?, #expr_or_nil, #fragment, handle, handlers, #has_rescue_else?, #helper, #in_ensure, #in_ensure?, #in_while?, #initialize, #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

This class inherits a constructor from Opal::Nodes::Base

Class Method Details

.compatible?(recvr, meth) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'opal/lib/opal/nodes/runtime_helpers.rb', line 17

def self.compatible?(recvr, meth)
  recvr == s(:const, nil, :Opal) && HELPERS.include?(meth.to_sym)
end

.helper(name, &block) ⇒ Object 



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

def self.helper(name, &block)
  HELPERS << name
  define_method("compile_#{name}", &block)
end

.s(type, *children) ⇒ Object 



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

def self.s(type, *children)
  ::Opal::AST::Node.new(type, children)
end

Instance Method Details

#compile ⇒ Object 



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

def compile
  if HELPERS.include?(meth.to_sym)
    __send__("compile_#{meth}")
  else
    raise "Helper not supported: #{meth}"
  end
end