Create ast/ and parsing/ subdirectories and move appropriate files

src/variables.cc

-// Copyright 2011 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/variables.h"
-
-#include "src/ast.h"
-#include "src/scopes.h"
-
-namespace v8 {
-namespace internal {
-
-// ----------------------------------------------------------------------------
-// Implementation Variable.
-
-const char* Variable::Mode2String(VariableMode mode) {
-  switch (mode) {
-    case VAR: return "VAR";
-    case CONST_LEGACY: return "CONST_LEGACY";
-    case LET: return "LET";
-    case CONST: return "CONST";
-    case IMPORT: return "IMPORT";
-    case DYNAMIC: return "DYNAMIC";
-    case DYNAMIC_GLOBAL: return "DYNAMIC_GLOBAL";
-    case DYNAMIC_LOCAL: return "DYNAMIC_LOCAL";
-    case TEMPORARY: return "TEMPORARY";
-  }
-  UNREACHABLE();
-  return NULL;
-}
-
-
-Variable::Variable(Scope* scope, const AstRawString* name, VariableMode mode,
-                   Kind kind, InitializationFlag initialization_flag,
-                   MaybeAssignedFlag maybe_assigned_flag)
-    : scope_(scope),
-      name_(name),
-      mode_(mode),
-      kind_(kind),
-      location_(VariableLocation::UNALLOCATED),
-      index_(-1),
-      initializer_position_(RelocInfo::kNoPosition),
-      has_strong_mode_reference_(false),
-      strong_mode_reference_start_position_(RelocInfo::kNoPosition),
-      strong_mode_reference_end_position_(RelocInfo::kNoPosition),
-      local_if_not_shadowed_(NULL),
-      is_from_eval_(false),
-      force_context_allocation_(false),
-      is_used_(false),
-      initialization_flag_(initialization_flag),
-      maybe_assigned_(maybe_assigned_flag) {
-  // Var declared variables never need initialization.
-  DCHECK(!(mode == VAR && initialization_flag == kNeedsInitialization));
-}
-
-
-bool Variable::IsGlobalObjectProperty() const {
-  // Temporaries are never global, they must always be allocated in the
-  // activation frame.
-  return (IsDynamicVariableMode(mode_) ||
-          (IsDeclaredVariableMode(mode_) && !IsLexicalVariableMode(mode_))) &&
-         scope_ != NULL && scope_->is_script_scope() && !is_this();
-}
-
-
-bool Variable::IsStaticGlobalObjectProperty() const {
-  // Temporaries are never global, they must always be allocated in the
-  // activation frame.
-  return (IsDeclaredVariableMode(mode_) && !IsLexicalVariableMode(mode_)) &&
-         scope_ != NULL && scope_->is_script_scope() && !is_this();
-}
-
-
-int Variable::CompareIndex(Variable* const* v, Variable* const* w) {
-  int x = (*v)->index();
-  int y = (*w)->index();
-  // Consider sorting them according to type as well?
-  return x - y;
-}
-
-}  // namespace internal
-}  // namespace v8