objects.h splitting: move ModuleInfo

Including a fix: object-macros.h needs to be the last include: otherwise
we'll have a problem when a file does this:

#include "object-macros.h"
#include "x.h" // x.h also includes object-macros.h

BUG=v8:5402

Review-Url: https://codereview.chromium.org/2623573003
Cr-Commit-Position: refs/heads/master@{#42187}

BUILD.gn

@@ -1544,6 +1544,7 @@ v8_source_set("v8_base") {
     "src/objects-printer.cc",
     "src/objects.cc",
     "src/objects.h",
+    "src/objects/module-info.h",
     "src/objects/object-macros-undef.h",
     "src/objects/object-macros.h",
     "src/objects/scope-info.h",

src/ast/modules.cc

@@ -6,6 +6,7 @@
 #include "src/ast/ast-value-factory.h"
 #include "src/ast/scopes.h"
 #include "src/objects-inl.h"
+#include "src/objects/module-info.h"
 
 namespace v8 {
 namespace internal {

src/ast/scopes.cc

@@ -9,9 +9,10 @@
 #include "src/accessors.h"
 #include "src/ast/ast.h"
 #include "src/bootstrapper.h"
+#include "src/counters.h"
 #include "src/messages.h"
 #include "src/objects-inl.h"
-#include "src/objects/scope-info.h"
+#include "src/objects/module-info.h"
 #include "src/parsing/parse-info.h"
 
 namespace v8 {

src/ast/scopes.h

@@ -9,6 +9,7 @@
 #include "src/base/hashmap.h"
 #include "src/globals.h"
 #include "src/objects.h"
+#include "src/objects/scope-info.h"
 #include "src/zone/zone.h"
 
 namespace v8 {

src/factory.cc

@@ -13,6 +13,8 @@
 #include "src/conversions.h"
 #include "src/isolate-inl.h"
 #include "src/macro-assembler.h"
+#include "src/objects/module-info.h"
+#include "src/objects/scope-info.h"
 
 namespace v8 {
 namespace internal {

src/objects-inl.h

@@ -30,6 +30,7 @@
 #include "src/lookup-cache-inl.h"
 #include "src/lookup.h"
 #include "src/objects.h"
+#include "src/objects/module-info.h"
 #include "src/objects/scope-info.h"
 #include "src/property.h"
 #include "src/prototype.h"
@@ -8083,35 +8084,6 @@ SMI_ACCESSORS(ModuleInfoEntry, cell_index, kCellIndexOffset)
 SMI_ACCESSORS(ModuleInfoEntry, beg_pos, kBegPosOffset)
 SMI_ACCESSORS(ModuleInfoEntry, end_pos, kEndPosOffset)
 
-FixedArray* ModuleInfo::module_requests() const {
-  return FixedArray::cast(get(kModuleRequestsIndex));
-}
-
-FixedArray* ModuleInfo::special_exports() const {
-  return FixedArray::cast(get(kSpecialExportsIndex));
-}
-
-FixedArray* ModuleInfo::regular_exports() const {
-  return FixedArray::cast(get(kRegularExportsIndex));
-}
-
-FixedArray* ModuleInfo::regular_imports() const {
-  return FixedArray::cast(get(kRegularImportsIndex));
-}
-
-FixedArray* ModuleInfo::namespace_imports() const {
-  return FixedArray::cast(get(kNamespaceImportsIndex));
-}
-
-#ifdef DEBUG
-bool ModuleInfo::Equals(ModuleInfo* other) const {
-  return regular_exports() == other->regular_exports() &&
-         regular_imports() == other->regular_imports() &&
-         special_exports() == other->special_exports() &&
-         namespace_imports() == other->namespace_imports();
-}
-#endif
-
 void Map::ClearCodeCache(Heap* heap) {
   // No write barrier is needed since empty_fixed_array is not in new space.
   // Please note this function is used during marking:

src/objects.h

@@ -19,7 +19,6 @@
 #include "src/flags.h"
 #include "src/list.h"
 #include "src/messages.h"
-#include "src/objects/object-macros.h"
 #include "src/property-details.h"
 #include "src/unicode-decoder.h"
 #include "src/unicode.h"
@@ -39,6 +38,8 @@
 #include "src/s390/constants-s390.h"  // NOLINT
 #endif
 
+// Has to be the last include (doesn't have include guards):
+#include "src/objects/object-macros.h"
 
 //
 // Most object types in the V8 JavaScript are described in this file.
@@ -168,6 +169,7 @@
 namespace v8 {
 namespace internal {
 
+class ModuleInfo;
 struct InliningPosition;
 
 enum KeyedAccessStoreMode {
@@ -7960,52 +7962,6 @@ class ModuleInfoEntry : public Struct {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ModuleInfoEntry);
 };
 
-// ModuleInfo is to ModuleDescriptor what ScopeInfo is to Scope.
-class ModuleInfo : public FixedArray {
- public:
-  DECLARE_CAST(ModuleInfo)
-
-  static Handle<ModuleInfo> New(Isolate* isolate, Zone* zone,
-                                ModuleDescriptor* descr);
-
-  inline FixedArray* module_requests() const;
-  inline FixedArray* special_exports() const;
-  inline FixedArray* regular_exports() const;
-  inline FixedArray* namespace_imports() const;
-  inline FixedArray* regular_imports() const;
-
-  // Accessors for [regular_exports].
-  int RegularExportCount() const;
-  String* RegularExportLocalName(int i) const;
-  int RegularExportCellIndex(int i) const;
-  FixedArray* RegularExportExportNames(int i) const;
-
-  static Handle<ModuleInfoEntry> LookupRegularImport(Handle<ModuleInfo> info,
-                                                     Handle<String> local_name);
-
-#ifdef DEBUG
-  inline bool Equals(ModuleInfo* other) const;
-#endif
-
- private:
-  friend class Factory;
-  friend class ModuleDescriptor;
-  enum {
-    kModuleRequestsIndex,
-    kSpecialExportsIndex,
-    kRegularExportsIndex,
-    kNamespaceImportsIndex,
-    kRegularImportsIndex,
-    kLength
-  };
-  enum {
-    kRegularExportLocalNameOffset,
-    kRegularExportCellIndexOffset,
-    kRegularExportExportNamesOffset,
-    kRegularExportLength
-  };
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ModuleInfo);
-};
 // When importing a module namespace (import * as foo from "bar"), a
 // JSModuleNamespace object (representing module "bar") is created and bound to
 // the declared variable (foo).  A module can have at most one namespace object.

src/objects/module-info.h

@@ -0,0 +1,95 @@
+// Copyright 2017 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.
+
+#ifndef V8_OBJECTS_MODULE_INFO_H_
+#define V8_OBJECTS_MODULE_INFO_H_
+
+#include "src/objects.h"
+
+// Has to be the last include (doesn't have include guards):
+#include "src/objects/object-macros.h"
+
+namespace v8 {
+namespace internal {
+
+template <typename T>
+class Handle;
+class Isolate;
+class ModuleDescriptor;
+class ModuleInfoEntry;
+class String;
+class Zone;
+
+// ModuleInfo is to ModuleDescriptor what ScopeInfo is to Scope.
+class ModuleInfo : public FixedArray {
+ public:
+  DECLARE_CAST(ModuleInfo)
+
+  static Handle<ModuleInfo> New(Isolate* isolate, Zone* zone,
+                                ModuleDescriptor* descr);
+
+  inline FixedArray* module_requests() const {
+    return FixedArray::cast(get(kModuleRequestsIndex));
+  }
+
+  inline FixedArray* special_exports() const {
+    return FixedArray::cast(get(kSpecialExportsIndex));
+  }
+
+  inline FixedArray* regular_exports() const {
+    return FixedArray::cast(get(kRegularExportsIndex));
+  }
+
+  inline FixedArray* regular_imports() const {
+    return FixedArray::cast(get(kRegularImportsIndex));
+  }
+
+  inline FixedArray* namespace_imports() const {
+    return FixedArray::cast(get(kNamespaceImportsIndex));
+  }
+
+  // Accessors for [regular_exports].
+  int RegularExportCount() const;
+  String* RegularExportLocalName(int i) const;
+  int RegularExportCellIndex(int i) const;
+  FixedArray* RegularExportExportNames(int i) const;
+
+  static Handle<ModuleInfoEntry> LookupRegularImport(Handle<ModuleInfo> info,
+                                                     Handle<String> local_name);
+
+#ifdef DEBUG
+  inline bool Equals(ModuleInfo* other) const {
+    return regular_exports() == other->regular_exports() &&
+           regular_imports() == other->regular_imports() &&
+           special_exports() == other->special_exports() &&
+           namespace_imports() == other->namespace_imports();
+  }
+#endif
+
+ private:
+  friend class Factory;
+  friend class ModuleDescriptor;
+  enum {
+    kModuleRequestsIndex,
+    kSpecialExportsIndex,
+    kRegularExportsIndex,
+    kNamespaceImportsIndex,
+    kRegularImportsIndex,
+    kLength
+  };
+  enum {
+    kRegularExportLocalNameOffset,
+    kRegularExportCellIndexOffset,
+    kRegularExportExportNamesOffset,
+    kRegularExportLength
+  };
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ModuleInfo);
+};
+
+}  // namespace internal
+}  // namespace v8
+
+#include "src/objects/object-macros-undef.h"
+
+#endif  // V8_OBJECTS_MODULE_INFO_H_

src/objects/scope-info.h

@@ -8,9 +8,11 @@
 #include "src/globals.h"
 #include "src/handles.h"
 #include "src/objects.h"
-#include "src/objects/object-macros.h"
 #include "src/utils.h"
 
+// Has to be the last include (doesn't have include guards):
+#include "src/objects/object-macros.h"
+
 namespace v8 {
 namespace internal {
 

src/v8.gyp

@@ -1075,6 +1075,7 @@
         'objects-printer.cc',
         'objects.cc',
         'objects.h',
+        'objects/module-info.h',
         'objects/object-macros.h',
         'objects/object-macros-undef.h',
         'objects/scope-info.h',