objects.h splitting: Move RegExpMatchInfo.

BUG=v8:5402

Review-Url: https://codereview.chromium.org/2642353002
Cr-Commit-Position: refs/heads/master@{#42552}

BUILD.gn

@@ -1573,6 +1573,7 @@ v8_source_set("v8_base") {
     "src/objects/module-info.h",
     "src/objects/object-macros-undef.h",
     "src/objects/object-macros.h",
+    "src/objects/regexp-match-info.h",
     "src/objects/scope-info.cc",
     "src/objects/scope-info.h",
     "src/ostreams.cc",

src/contexts-inl.h

@@ -7,6 +7,7 @@
 
 #include "src/contexts.h"
 #include "src/objects-inl.h"
+#include "src/objects/regexp-match-info.h"
 
 namespace v8 {
 namespace internal {

src/contexts.h

@@ -11,6 +11,7 @@
 namespace v8 {
 namespace internal {
 
+class RegExpMatchInfo;
 
 enum ContextLookupFlags {
   FOLLOW_CONTEXT_CHAIN = 1 << 0,

src/objects-inl.h

@@ -31,6 +31,7 @@
 #include "src/lookup.h"
 #include "src/objects.h"
 #include "src/objects/module-info.h"
+#include "src/objects/regexp-match-info.h"
 #include "src/objects/scope-info.h"
 #include "src/property.h"
 #include "src/prototype.h"

src/objects.h

@@ -3060,57 +3060,6 @@ class ArrayList : public FixedArray {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ArrayList);
 };
 
-// The property RegExpMatchInfo includes the matchIndices
-// array of the last successful regexp match (an array of start/end index
-// pairs for the match and all the captured substrings), the invariant is
-// that there are at least two capture indices.  The array also contains
-// the subject string for the last successful match.
-// After creation the result must be treated as a FixedArray in all regards.
-class V8_EXPORT_PRIVATE RegExpMatchInfo : NON_EXPORTED_BASE(public FixedArray) {
- public:
-  // Returns the number of captures, which is defined as the length of the
-  // matchIndices objects of the last match. matchIndices contains two indices
-  // for each capture (including the match itself), i.e. 2 * #captures + 2.
-  inline int NumberOfCaptureRegisters();
-  inline void SetNumberOfCaptureRegisters(int value);
-
-  // Returns the subject string of the last match.
-  inline String* LastSubject();
-  inline void SetLastSubject(String* value);
-
-  // Like LastSubject, but modifiable by the user.
-  inline Object* LastInput();
-  inline void SetLastInput(Object* value);
-
-  // Returns the i'th capture index, 0 <= i < NumberOfCaptures(). Capture(0) and
-  // Capture(1) determine the start- and endpoint of the match itself.
-  inline int Capture(int i);
-  inline void SetCapture(int i, int value);
-
-  // Reserves space for captures.
-  static Handle<RegExpMatchInfo> ReserveCaptures(
-      Handle<RegExpMatchInfo> match_info, int capture_count);
-
-  DECLARE_CAST(RegExpMatchInfo)
-
-  static const int kNumberOfCapturesIndex = 0;
-  static const int kLastSubjectIndex = 1;
-  static const int kLastInputIndex = 2;
-  static const int kFirstCaptureIndex = 3;
-  static const int kLastMatchOverhead = kFirstCaptureIndex;
-
-  static const int kNumberOfCapturesOffset = FixedArray::kHeaderSize;
-  static const int kLastSubjectOffset = kNumberOfCapturesOffset + kPointerSize;
-  static const int kLastInputOffset = kLastSubjectOffset + kPointerSize;
-  static const int kFirstCaptureOffset = kLastInputOffset + kPointerSize;
-
-  // Every match info is guaranteed to have enough space to store two captures.
-  static const int kInitialCaptureIndices = 2;
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(RegExpMatchInfo);
-};
-
 #define FRAME_ARRAY_FIELD_LIST(V) \
   V(WasmInstance, Object)         \
   V(WasmFunctionIndex, Smi)       \

src/objects/regexp-match-info.h

@@ -0,0 +1,76 @@
+// 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_REGEXP_MATCH_INFO_H_
+#define V8_OBJECTS_REGEXP_MATCH_INFO_H_
+
+#include "src/base/compiler-specific.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 {
+
+class Object;
+class String;
+
+// The property RegExpMatchInfo includes the matchIndices
+// array of the last successful regexp match (an array of start/end index
+// pairs for the match and all the captured substrings), the invariant is
+// that there are at least two capture indices.  The array also contains
+// the subject string for the last successful match.
+// After creation the result must be treated as a FixedArray in all regards.
+class V8_EXPORT_PRIVATE RegExpMatchInfo : NON_EXPORTED_BASE(public FixedArray) {
+ public:
+  // Returns the number of captures, which is defined as the length of the
+  // matchIndices objects of the last match. matchIndices contains two indices
+  // for each capture (including the match itself), i.e. 2 * #captures + 2.
+  inline int NumberOfCaptureRegisters();
+  inline void SetNumberOfCaptureRegisters(int value);
+
+  // Returns the subject string of the last match.
+  inline String* LastSubject();
+  inline void SetLastSubject(String* value);
+
+  // Like LastSubject, but modifiable by the user.
+  inline Object* LastInput();
+  inline void SetLastInput(Object* value);
+
+  // Returns the i'th capture index, 0 <= i < NumberOfCaptures(). Capture(0) and
+  // Capture(1) determine the start- and endpoint of the match itself.
+  inline int Capture(int i);
+  inline void SetCapture(int i, int value);
+
+  // Reserves space for captures.
+  static Handle<RegExpMatchInfo> ReserveCaptures(
+      Handle<RegExpMatchInfo> match_info, int capture_count);
+
+  DECLARE_CAST(RegExpMatchInfo)
+
+  static const int kNumberOfCapturesIndex = 0;
+  static const int kLastSubjectIndex = 1;
+  static const int kLastInputIndex = 2;
+  static const int kFirstCaptureIndex = 3;
+  static const int kLastMatchOverhead = kFirstCaptureIndex;
+
+  static const int kNumberOfCapturesOffset = FixedArray::kHeaderSize;
+  static const int kLastSubjectOffset = kNumberOfCapturesOffset + kPointerSize;
+  static const int kLastInputOffset = kLastSubjectOffset + kPointerSize;
+  static const int kFirstCaptureOffset = kLastInputOffset + kPointerSize;
+
+  // Every match info is guaranteed to have enough space to store two captures.
+  static const int kInitialCaptureIndices = 2;
+
+ private:
+  DISALLOW_IMPLICIT_CONSTRUCTORS(RegExpMatchInfo);
+};
+
+}  // namespace internal
+}  // namespace v8
+
+#include "src/objects/object-macros-undef.h"
+
+#endif  // V8_OBJECTS_REGEXP_MATCH_INFO_H_

src/regexp/regexp-utils.h

@@ -10,6 +10,8 @@
 namespace v8 {
 namespace internal {
 
+class RegExpMatchInfo;
+
 // Helper methods for C++ regexp builtins.
 class RegExpUtils : public AllStatic {
  public:

src/v8.gyp

@@ -1082,6 +1082,7 @@
         'objects/module-info.h',
         'objects/object-macros.h',
         'objects/object-macros-undef.h',
+        'objects/regexp-match-info.h',
         'objects/scope-info.cc',
         'objects/scope-info.h',
         'ostreams.cc',