Remove code.h header and move ParameterCount class.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/1302293002

Cr-Commit-Position: refs/heads/master@{#30291}

BUILD.gn

@@ -682,7 +682,6 @@ source_set("v8_base") {
     "src/code-stubs.cc",
     "src/code-stubs.h",
     "src/code-stubs-hydrogen.cc",
-    "src/code.h",
     "src/codegen.cc",
     "src/codegen.h",
     "src/compilation-cache.cc",

src/code.h

-// Copyright 2006-2008 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_CODE_H_
-#define V8_CODE_H_
-
-#include "src/allocation.h"
-#include "src/handles.h"
-#include "src/objects.h"
-
-namespace v8 {
-namespace internal {
-
-
-// Wrapper class for passing expected and actual parameter counts as
-// either registers or immediate values. Used to make sure that the
-// caller provides exactly the expected number of parameters to the
-// callee.
-class ParameterCount BASE_EMBEDDED {
- public:
-  explicit ParameterCount(Register reg)
-      : reg_(reg), immediate_(0) { }
-  explicit ParameterCount(int immediate)
-      : reg_(no_reg), immediate_(immediate) { }
-  explicit ParameterCount(Handle<JSFunction> f)
-      : reg_(no_reg),
-        immediate_(f->shared()->internal_formal_parameter_count()) {}
-
-  bool is_reg() const { return !reg_.is(no_reg); }
-  bool is_immediate() const { return !is_reg(); }
-
-  Register reg() const {
-    DCHECK(is_reg());
-    return reg_;
-  }
-  int immediate() const {
-    DCHECK(is_immediate());
-    return immediate_;
-  }
-
- private:
-  const Register reg_;
-  const int immediate_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ParameterCount);
-};
-
-
-} }  // namespace v8::internal
-
-#endif  // V8_CODE_H_

src/globals.h

@@ -431,6 +431,7 @@ class MarkCompactCollector;
 class NewSpace;
 class Object;
 class OldSpace;
+class ParameterCount;
 class Foreign;
 class Scope;
 class ScopeInfo;

src/macro-assembler.h

@@ -39,20 +39,17 @@ const int kInvalidProtoDepth = -1;
 #include "src/assembler.h"
 #include "src/ia32/assembler-ia32.h"
 #include "src/ia32/assembler-ia32-inl.h"
-#include "src/code.h"  // NOLINT, must be after assembler_*.h
 #include "src/ia32/macro-assembler-ia32.h"
 #elif V8_TARGET_ARCH_X64
 #include "src/assembler.h"
 #include "src/x64/assembler-x64.h"
 #include "src/x64/assembler-x64-inl.h"
-#include "src/code.h"  // NOLINT, must be after assembler_*.h
 #include "src/x64/macro-assembler-x64.h"
 #elif V8_TARGET_ARCH_ARM64
 #include "src/arm64/constants-arm64.h"
 #include "src/assembler.h"
 #include "src/arm64/assembler-arm64.h"  // NOLINT
 #include "src/arm64/assembler-arm64-inl.h"
-#include "src/code.h"  // NOLINT, must be after assembler_*.h
 #include "src/arm64/macro-assembler-arm64.h"  // NOLINT
 #include "src/arm64/macro-assembler-arm64-inl.h"
 #elif V8_TARGET_ARCH_ARM
@@ -60,34 +57,29 @@ const int kInvalidProtoDepth = -1;
 #include "src/assembler.h"
 #include "src/arm/assembler-arm.h"  // NOLINT
 #include "src/arm/assembler-arm-inl.h"
-#include "src/code.h"                     // NOLINT, must be after assembler_*.h
 #include "src/arm/macro-assembler-arm.h"  // NOLINT
 #elif V8_TARGET_ARCH_PPC
 #include "src/ppc/constants-ppc.h"
 #include "src/assembler.h"          // NOLINT
 #include "src/ppc/assembler-ppc.h"  // NOLINT
 #include "src/ppc/assembler-ppc-inl.h"
-#include "src/code.h"  // NOLINT, must be after assembler_*.h
 #include "src/ppc/macro-assembler-ppc.h"
 #elif V8_TARGET_ARCH_MIPS
 #include "src/mips/constants-mips.h"
 #include "src/assembler.h"            // NOLINT
 #include "src/mips/assembler-mips.h"  // NOLINT
 #include "src/mips/assembler-mips-inl.h"
-#include "src/code.h"  // NOLINT, must be after assembler_*.h
 #include "src/mips/macro-assembler-mips.h"
 #elif V8_TARGET_ARCH_MIPS64
 #include "src/mips64/constants-mips64.h"
 #include "src/assembler.h"                // NOLINT
 #include "src/mips64/assembler-mips64.h"  // NOLINT
 #include "src/mips64/assembler-mips64-inl.h"
-#include "src/code.h"  // NOLINT, must be after assembler_*.h
 #include "src/mips64/macro-assembler-mips64.h"
 #elif V8_TARGET_ARCH_X87
 #include "src/assembler.h"
 #include "src/x87/assembler-x87.h"
 #include "src/x87/assembler-x87-inl.h"
-#include "src/code.h"  // NOLINT, must be after assembler_*.h
 #include "src/x87/macro-assembler-x87.h"
 #else
 #error Unsupported target architecture.
@@ -245,6 +237,35 @@ class Comment {
 #endif  // DEBUG
 
 
+// Wrapper class for passing expected and actual parameter counts as
+// either registers or immediate values. Used to make sure that the
+// caller provides exactly the expected number of parameters to the
+// callee.
+class ParameterCount BASE_EMBEDDED {
+ public:
+  explicit ParameterCount(Register reg) : reg_(reg), immediate_(0) {}
+  explicit ParameterCount(int imm) : reg_(no_reg), immediate_(imm) {}
+
+  bool is_reg() const { return !reg_.is(no_reg); }
+  bool is_immediate() const { return !is_reg(); }
+
+  Register reg() const {
+    DCHECK(is_reg());
+    return reg_;
+  }
+  int immediate() const {
+    DCHECK(is_immediate());
+    return immediate_;
+  }
+
+ private:
+  const Register reg_;
+  const int immediate_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ParameterCount);
+};
+
+
 class AllocationUtils {
  public:
   static ExternalReference GetAllocationTopReference(

tools/gyp/v8.gyp

@@ -439,7 +439,6 @@
         '../../src/code-stubs.cc',
         '../../src/code-stubs.h',
         '../../src/code-stubs-hydrogen.cc',
-        '../../src/code.h',
         '../../src/codegen.cc',
         '../../src/codegen.h',
         '../../src/compilation-cache.cc',