Class: Opal::Nodes::ClassNode

Inherits:
ModuleNode show all
Defined in:
lib/opal/nodes/class.rb

Constant Summary

Constants included from Helpers

Helpers::BASIC_IDENTIFIER_RULES, Helpers::ES3_RESERVED_WORD_EXCLUSIVE, Helpers::ES51_RESERVED_WORD, Helpers::IMMUTABLE_PROPS

Instance Attribute Summary

Attributes inherited from ScopeNode

#block_name, #catch_return, #defs, #gvars, #ivars, #methods, #mid, #name, #parent, #scope_name, #uses_super, #uses_zuper

Attributes inherited from Base

#compiler, #type

Instance Method Summary collapse

Methods inherited from ModuleNode

#name_and_base

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

Methods included from Helpers

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

Constructor Details

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

Instance Method Details

#body_codeObject


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# File 'lib/opal/nodes/class.rb', line 37

def body_code
  stmt(compiler.returns(body || s(:nil)))
end

#compileObject


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

def compile
  name, base = name_and_base
  helper :klass

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

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

    body_code = self.body_code
    empty_line

    line scope.to_vars
    line body_code
  end

  line "})(", base, ", ", self.super_code, ")"
end

#super_codeObject


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# File 'lib/opal/nodes/class.rb', line 33

def super_code
  sup ? expr(sup) : 'null'
end