diff options
Diffstat (limited to 'chromium/v8/src/arguments.h')
| -rw-r--r-- | chromium/v8/src/arguments.h | 59 |
1 files changed, 22 insertions, 37 deletions
diff --git a/chromium/v8/src/arguments.h b/chromium/v8/src/arguments.h index b7137c3175a..320b6ad6d7d 100644 --- a/chromium/v8/src/arguments.h +++ b/chromium/v8/src/arguments.h @@ -1,34 +1,11 @@ // Copyright 2012 the V8 project authors. All rights reserved. -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following -// disclaimer in the documentation and/or other materials provided -// with the distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived -// from this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. #ifndef V8_ARGUMENTS_H_ #define V8_ARGUMENTS_H_ -#include "allocation.h" +#include "src/allocation.h" namespace v8 { namespace internal { @@ -44,6 +21,9 @@ namespace internal { // Object* Runtime_function(Arguments args) { // ... use args[i] here ... // } +// +// Note that length_ (whose value is in the integer range) is defined +// as intptr_t to provide endian-neutrality on 64-bit archs. class Arguments BASE_EMBEDDED { public: @@ -73,12 +53,12 @@ class Arguments BASE_EMBEDDED { } // Get the total number of arguments including the receiver. - int length() const { return length_; } + int length() const { return static_cast<int>(length_); } Object** arguments() { return arguments_; } private: - int length_; + intptr_t length_; Object** arguments_; }; @@ -299,18 +279,23 @@ double ClobberDoubleRegisters(double x1, double x2, double x3, double x4); #endif -#define DECLARE_RUNTIME_FUNCTION(Type, Name) \ -Type Name(int args_length, Object** args_object, Isolate* isolate) +#define DECLARE_RUNTIME_FUNCTION(Name) \ +Object* Name(int args_length, Object** args_object, Isolate* isolate) -#define RUNTIME_FUNCTION(Type, Name) \ -static Type __RT_impl_##Name(Arguments args, Isolate* isolate); \ -Type Name(int args_length, Object** args_object, Isolate* isolate) { \ - CLOBBER_DOUBLE_REGISTERS(); \ - Arguments args(args_length, args_object); \ - return __RT_impl_##Name(args, isolate); \ -} \ +#define RUNTIME_FUNCTION_RETURNS_TYPE(Type, Name) \ +static INLINE(Type __RT_impl_##Name(Arguments args, Isolate* isolate)); \ +Type Name(int args_length, Object** args_object, Isolate* isolate) { \ + CLOBBER_DOUBLE_REGISTERS(); \ + Arguments args(args_length, args_object); \ + return __RT_impl_##Name(args, isolate); \ +} \ static Type __RT_impl_##Name(Arguments args, Isolate* isolate) + +#define RUNTIME_FUNCTION(Name) RUNTIME_FUNCTION_RETURNS_TYPE(Object*, Name) +#define RUNTIME_FUNCTION_RETURN_PAIR(Name) \ + RUNTIME_FUNCTION_RETURNS_TYPE(ObjectPair, Name) + #define RUNTIME_ARGUMENTS(isolate, args) \ args.length(), args.arguments(), isolate |