[es6] Make ParseSuperExpression uses scopes instead

src/scopes.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/bootstrapper.h"
 #include "src/messages.h"
 #include "src/parser.h"
@@ skipping 156 matching lines @@
   scope_uses_super_property_ = false;
   scope_uses_this_ = false;
   asm_module_ = false;
   asm_function_ = outer_scope != NULL && outer_scope->asm_module_;
   // Inherit the language mode from the parent scope.
   language_mode_ = outer_scope != NULL ? outer_scope->language_mode_ : SLOPPY;
   outer_scope_calls_sloppy_eval_ = false;
   inner_scope_calls_eval_ = false;
   inner_scope_uses_arguments_ = false;
   inner_scope_uses_this_ = false;
-  inner_scope_uses_super_property_ = false;
   force_eager_compilation_ = false;
   force_context_allocation_ = (outer_scope != NULL && !is_function_scope())
       ? outer_scope->has_forced_context_allocation() : false;
   num_var_or_const_ = 0;
   num_stack_slots_ = 0;
   num_heap_slots_ = 0;
   num_modules_ = 0;
   module_var_ = NULL,
   rest_parameter_ = NULL;
   rest_index_ = -1;
@@ skipping 739 matching lines @@
   if (scope_inside_with_) Indent(n1, "// scope inside 'with'\n");
   if (scope_contains_with_) Indent(n1, "// scope contains 'with'\n");
   if (scope_calls_eval_) Indent(n1, "// scope calls 'eval'\n");
   if (scope_uses_arguments_) Indent(n1, "// scope uses 'arguments'\n");
   if (scope_uses_super_property_)
     Indent(n1, "// scope uses 'super' property\n");
   if (scope_uses_this_) Indent(n1, "// scope uses 'this'\n");
   if (inner_scope_uses_arguments_) {
     Indent(n1, "// inner scope uses 'arguments'\n");
   }
-  if (inner_scope_uses_super_property_)
-    Indent(n1, "// inner scope uses 'super' property\n");
   if (inner_scope_uses_this_) Indent(n1, "// inner scope uses 'this'\n");
   if (outer_scope_calls_sloppy_eval_) {
     Indent(n1, "// outer scope calls 'eval' in sloppy context\n");
   }
   if (inner_scope_calls_eval_) Indent(n1, "// inner scope calls 'eval'\n");
   if (num_stack_slots_ > 0) { Indent(n1, "// ");
   PrintF("%d stack slots\n", num_stack_slots_); }
   if (num_heap_slots_ > 0) { Indent(n1, "// ");
   PrintF("%d heap slots\n", num_heap_slots_); }
 
@@ skipping 340 matching lines @@
     if (inner->scope_calls_eval_ || inner->inner_scope_calls_eval_) {
       inner_scope_calls_eval_ = true;
     }
     // If the inner scope is an arrow function, propagate the flags tracking
     // usage of arguments/super/this, but do not propagate them out from normal
     // functions.
     if (!inner->is_function_scope() || inner->is_arrow_scope()) {
       if (inner->scope_uses_arguments_ || inner->inner_scope_uses_arguments_) {
         inner_scope_uses_arguments_ = true;
       }
-      if (inner->scope_uses_super_property_ ||
-          inner->inner_scope_uses_super_property_) {
-        inner_scope_uses_super_property_ = true;
-      }
       if (inner->scope_uses_this_ || inner->inner_scope_uses_this_) {
         inner_scope_uses_this_ = true;
       }
     }
     if (inner->force_eager_compilation_) {
       force_eager_compilation_ = true;
     }
     if (asm_module_ && inner->scope_type() == FUNCTION_SCOPE) {
       inner->asm_function_ = true;
     }
@@ skipping 238 matching lines @@
       (function_ != NULL && function_->proxy()->var()->IsStackLocal() ? 1 : 0);
 }
 
 
 int Scope::ContextLocalCount() const {
   if (num_heap_slots() == 0) return 0;
   return num_heap_slots() - Context::MIN_CONTEXT_SLOTS -
       (function_ != NULL && function_->proxy()->var()->IsContextSlot() ? 1 : 0);
 }
 } }  // namespace v8::internal