Class: Opal::Nodes::ModuleNode

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

Direct Known Subclasses

ClassNode

Constant Summary

Constants included from Helpers

Helpers::BASIC_IDENTIFIER_RULES, Helpers::ES3_RESERVED_WORD_EXCLUSIVE, Helpers::ES51_RESERVED_WORD, Helpers::IMMUTABLE_PROPS, Helpers::PROTO_SPECIAL_METHODS, Helpers::PROTO_SPECIAL_PROPS

Instance Attribute Summary

Attributes inherited from ScopeNode

#block_name, #catch_return, #defs, #gvars, #ivars, #locals, #methods, #mid, #name, #parent, #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, #get_super_chain, #has_local?, #has_temp?, #identify!, #identity, #in_scope, #in_while?, #initialize, #iter?, #module?, #new_temp, #next_temp, #pop_while, #proto, #push_while, #queue_temp, #sclass?, #to_vars, #top?, #uses_block!, #uses_block?

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?, truthy_optimize?, #unshift, #while_loop, #with_temp, #wrap

Methods included from Helpers

#current_indent, #empty_line, #indent, #ivar, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #valid_ivar_name?, #valid_name?, #variable

Constructor Details

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

Instance Method Details

#compile ⇒ Object 



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

def compile
  name, base = name_and_base
  helper :module

  push "(function($base) {"
  line "  var $#{name}, self = $#{name} = $module($base, '#{name}');"

  in_scope do
    scope.name = name
    add_temp "#{scope.proto} = self.$$proto"
    add_temp '$scope = self.$$scope'

    body_code = stmt(body || s(:nil))
    empty_line

    line scope.to_vars
    line body_code
  end

  line "})(", base, ")"
end

#name_and_base ⇒ Object 



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# File 'opal/lib/opal/nodes/module.rb', line 32

def name_and_base
  if cid.type == :const
    # Using $scope.base, not self in case a class is created inside an anonymous class or block
    [cid[1].to_s, '$scope.base']
  elsif cid.type == :colon2
    [cid[2].to_s, expr(cid[1])]
  elsif cid.type == :colon3
    [cid[1].to_s, 'Opal.Object']
  else
    raise "Bad receiver in module"
  end
end