-/* -*- mode: c++; c-basic-offset: 4 -*- */
/*
* Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved.
*
#include "Platform.h"
+#include <stdbool.h>
+
#if COMPILER(MSVC)
#include <stddef.h>
#else
#include <inttypes.h>
#endif
+#if OS(SYMBIAN)
+#include <e32def.h>
+#include <e32debug.h>
+#endif
+
#ifdef NDEBUG
+/* Disable ASSERT* macros in release mode. */
#define ASSERTIONS_DISABLED_DEFAULT 1
#else
#define ASSERTIONS_DISABLED_DEFAULT 0
#endif
+#if COMPILER(MSVC7_OR_LOWER) || COMPILER(WINSCW)
+#define HAVE_VARIADIC_MACRO 0
+#else
+#define HAVE_VARIADIC_MACRO 1
+#endif
+
#ifndef ASSERT_DISABLED
#define ASSERT_DISABLED ASSERTIONS_DISABLED_DEFAULT
#endif
+#ifndef ASSERT_MSG_DISABLED
+#if HAVE(VARIADIC_MACRO)
+#define ASSERT_MSG_DISABLED ASSERTIONS_DISABLED_DEFAULT
+#else
+#define ASSERT_MSG_DISABLED 1
+#endif
+#endif
+
#ifndef ASSERT_ARG_DISABLED
#define ASSERT_ARG_DISABLED ASSERTIONS_DISABLED_DEFAULT
#endif
#ifndef FATAL_DISABLED
+#if HAVE(VARIADIC_MACRO)
#define FATAL_DISABLED ASSERTIONS_DISABLED_DEFAULT
+#else
+#define FATAL_DISABLED 1
+#endif
#endif
#ifndef ERROR_DISABLED
+#if HAVE(VARIADIC_MACRO)
#define ERROR_DISABLED ASSERTIONS_DISABLED_DEFAULT
+#else
+#define ERROR_DISABLED 1
+#endif
#endif
#ifndef LOG_DISABLED
+#if HAVE(VARIADIC_MACRO)
#define LOG_DISABLED ASSERTIONS_DISABLED_DEFAULT
+#else
+#define LOG_DISABLED 1
+#endif
#endif
#if COMPILER(GCC)
#define WTF_PRETTY_FUNCTION __FUNCTION__
#endif
-// WTF logging functions can process %@ in the format string to log a NSObject* but the printf format attribute
-// emits a warning when %@ is used in the format string. Until <rdar://problem/5195437> is resolved we can't include
-// the attribute when being used from Objective-C code in case it decides to use %@.
+/* WTF logging functions can process %@ in the format string to log a NSObject* but the printf format attribute
+ emits a warning when %@ is used in the format string. Until <rdar://problem/5195437> is resolved we can't include
+ the attribute when being used from Objective-C code in case it decides to use %@. */
#if COMPILER(GCC) && !defined(__OBJC__)
#define WTF_ATTRIBUTE_PRINTF(formatStringArgument, extraArguments) __attribute__((__format__(printf, formatStringArgument, extraArguments)))
#else
#define WTF_ATTRIBUTE_PRINTF(formatStringArgument, extraArguments)
#endif
+/* This macro is needed to prevent the clang static analyzer from generating false-positive reports in ASSERT() macros. */
+#ifdef __clang__
+#define CLANG_ANALYZER_NORETURN __attribute__((analyzer_noreturn))
+#else
+#define CLANG_ANALYZER_NORETURN
+#endif
+
/* These helper functions are always declared, but not necessarily always defined if the corresponding function is disabled. */
#ifdef __cplusplus
WTFLogChannelState state;
} WTFLogChannel;
-void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion);
-void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...) WTF_ATTRIBUTE_PRINTF(5, 6);
-void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion);
-void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...) WTF_ATTRIBUTE_PRINTF(4, 5);
+void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion) CLANG_ANALYZER_NORETURN;
+void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...) CLANG_ANALYZER_NORETURN WTF_ATTRIBUTE_PRINTF(5, 6);
+void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion) CLANG_ANALYZER_NORETURN;
+void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...) CLANG_ANALYZER_NORETURN WTF_ATTRIBUTE_PRINTF(4, 5);
void WTFReportError(const char* file, int line, const char* function, const char* format, ...) WTF_ATTRIBUTE_PRINTF(4, 5);
void WTFLog(WTFLogChannel* channel, const char* format, ...) WTF_ATTRIBUTE_PRINTF(2, 3);
void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...) WTF_ATTRIBUTE_PRINTF(5, 6);
}
#endif
-/* CRASH -- gets us into the debugger or the crash reporter -- signals are ignored by the crash reporter so we must do better */
+/* CRASH() - Raises a fatal error resulting in program termination and triggering either the debugger or the crash reporter.
+
+ Use CRASH() in response to known, unrecoverable errors like out-of-memory.
+ Macro is enabled in both debug and release mode.
+ To test for unknown errors and verify assumptions, use ASSERT instead, to avoid impacting performance in release builds.
+ Signals are ignored by the crash reporter on OS X so we must do better.
+*/
#ifndef CRASH
-#define CRASH() *(int *)(uintptr_t)0xbbadbeef = 0
+#if OS(SYMBIAN)
+#define CRASH() do { \
+ __DEBUGGER(); \
+ User::Panic(_L("Webkit CRASH"),0); \
+ } while(false)
+#else
+#define CRASH() do { \
+ *(int *)(uintptr_t)0xbbadbeef = 0; \
+ ((void(*)())0)(); /* More reliable, but doesn't say BBADBEEF */ \
+} while(false)
+#endif
#endif
-/* ASSERT, ASSERT_WITH_MESSAGE, ASSERT_NOT_REACHED */
+/* ASSERT, ASSERT_NOT_REACHED, ASSERT_UNUSED
+
+ These macros are compiled out of release builds.
+ Expressions inside them are evaluated in debug builds only.
+*/
-#if PLATFORM(WIN_OS)
-/* FIXME: Change to use something other than ASSERT to avoid this conflict with win32. */
+#if OS(WINCE) && !PLATFORM(TORCHMOBILE)
+/* FIXME: We include this here only to avoid a conflict with the ASSERT macro. */
+#include <windows.h>
+#undef min
+#undef max
+#undef ERROR
+#endif
+
+#if OS(WINDOWS) || OS(SYMBIAN)
+/* FIXME: Change to use something other than ASSERT to avoid this conflict with the underlying platform */
#undef ASSERT
#endif
+#if PLATFORM(BREWMP)
+/* FIXME: We include this here only to avoid a conflict with the COMPILE_ASSERT macro. */
+#include <AEEClassIDs.h>
+
+/* FIXME: Change to use something other than COMPILE_ASSERT to avoid this conflict with the underlying platform */
+#undef COMPILE_ASSERT
+#endif
+
#if ASSERT_DISABLED
#define ASSERT(assertion) ((void)0)
-#define ASSERT_WITH_MESSAGE(assertion, ...) ((void)0)
#define ASSERT_NOT_REACHED() ((void)0)
+#define ASSERT_UNUSED(variable, assertion) ((void)variable)
#else
CRASH(); \
} \
while (0)
-#if COMPILER(MSVC7)
+
+#define ASSERT_NOT_REACHED() do { \
+ WTFReportAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, 0); \
+ CRASH(); \
+} while (0)
+
+#define ASSERT_UNUSED(variable, assertion) ASSERT(assertion)
+
+#endif
+
+/* ASSERT_WITH_MESSAGE */
+
+#if COMPILER(MSVC7_OR_LOWER)
#define ASSERT_WITH_MESSAGE(assertion) ((void)0)
+#elif COMPILER(WINSCW)
+#define ASSERT_WITH_MESSAGE(assertion, arg...) ((void)0)
+#elif ASSERT_MSG_DISABLED
+#define ASSERT_WITH_MESSAGE(assertion, ...) ((void)0)
#else
#define ASSERT_WITH_MESSAGE(assertion, ...) do \
if (!(assertion)) { \
CRASH(); \
} \
while (0)
-#endif // COMPILER(MSVC7)
-#define ASSERT_NOT_REACHED() do { \
- WTFReportAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, 0); \
- CRASH(); \
-} while (0)
-
#endif
-
+
+
/* ASSERT_ARG */
#if ASSERT_ARG_DISABLED
/* COMPILE_ASSERT */
#ifndef COMPILE_ASSERT
-#define COMPILE_ASSERT(exp, name) typedef int dummy##name [(exp) ? 1 : -1];
+#define COMPILE_ASSERT(exp, name) typedef int dummy##name [(exp) ? 1 : -1]
#endif
/* FATAL */
-#if FATAL_DISABLED
-#define FATAL(...) ((void)0)
-#elif COMPILER(MSVC7)
+#if COMPILER(MSVC7_OR_LOWER)
#define FATAL() ((void)0)
+#elif COMPILER(WINSCW)
+#define FATAL(arg...) ((void)0)
+#elif FATAL_DISABLED
+#define FATAL(...) ((void)0)
#else
#define FATAL(...) do { \
WTFReportFatalError(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, __VA_ARGS__); \
/* LOG_ERROR */
-#if ERROR_DISABLED
-#define LOG_ERROR(...) ((void)0)
-#elif COMPILER(MSVC7)
+#if COMPILER(MSVC7_OR_LOWER)
#define LOG_ERROR() ((void)0)
+#elif COMPILER(WINSCW)
+#define LOG_ERROR(arg...) ((void)0)
+#elif ERROR_DISABLED
+#define LOG_ERROR(...) ((void)0)
#else
#define LOG_ERROR(...) WTFReportError(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, __VA_ARGS__)
#endif
/* LOG */
-#if LOG_DISABLED
-#define LOG(channel, ...) ((void)0)
-#elif COMPILER(MSVC7)
+#if COMPILER(MSVC7_OR_LOWER)
#define LOG() ((void)0)
+#elif COMPILER(WINSCW)
+#define LOG(arg...) ((void)0)
+#elif LOG_DISABLED
+#define LOG(channel, ...) ((void)0)
#else
#define LOG(channel, ...) WTFLog(&JOIN_LOG_CHANNEL_WITH_PREFIX(LOG_CHANNEL_PREFIX, channel), __VA_ARGS__)
#define JOIN_LOG_CHANNEL_WITH_PREFIX(prefix, channel) JOIN_LOG_CHANNEL_WITH_PREFIX_LEVEL_2(prefix, channel)
/* LOG_VERBOSE */
-#if LOG_DISABLED
-#define LOG_VERBOSE(channel, ...) ((void)0)
-#elif COMPILER(MSVC7)
+#if COMPILER(MSVC7_OR_LOWER)
#define LOG_VERBOSE(channel) ((void)0)
+#elif COMPILER(WINSCW)
+#define LOG_VERBOSE(channel, arg...) ((void)0)
+#elif LOG_DISABLED
+#define LOG_VERBOSE(channel, ...) ((void)0)
#else
#define LOG_VERBOSE(channel, ...) WTFLogVerbose(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, &JOIN_LOG_CHANNEL_WITH_PREFIX(LOG_CHANNEL_PREFIX, channel), __VA_ARGS__)
#endif
-#endif // WTF_Assertions_h
+#endif /* WTF_Assertions_h */
projects / apple / javascriptcore.git / blobdiff