webengine/osswebengine/JavaScriptCore/wtf/Assertions.cpp
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/JavaScriptCore/wtf/Assertions.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,189 @@
+// -*- mode: c++; c-basic-offset: 4 -*-
+/*
+ * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. 
+ */
+
+#include "config.h"
+#include "Assertions.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+
+#if PLATFORM(MAC)
+#include <CoreFoundation/CFString.h>
+#endif
+
+#if PLATFORM(WIN)
+#ifndef WINVER
+#define WINVER 0x0500
+#endif
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0500
+#endif
+#include <windows.h>
+#include <crtdbg.h>
+#endif
+
+extern "C" {
+
+// This is to work around the "you should use a printf format attribute" warning on GCC
+// We can't use _attribute__ ((format (printf, 2, 3))) since we allow %@
+static int (* vfprintf_no_warning)(FILE *, const char*, va_list) = vfprintf;
+
+static void vprintf_stderr_common(const char* format, va_list args)
+{
+#if PLATFORM(MAC)
+    if (strstr(format, "%@")) {
+        CFStringRef cfFormat = CFStringCreateWithCString(NULL, format, kCFStringEncodingUTF8);
+        CFStringRef str = CFStringCreateWithFormatAndArguments(NULL, NULL, cfFormat, args);
+        
+        int length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
+        char* buffer = (char*)malloc(length + 1);
+
+        CFStringGetCString(str, buffer, length, kCFStringEncodingUTF8);
+
+        fputs(buffer, stderr);
+
+        free(buffer);
+        CFRelease(str);
+        CFRelease(cfFormat);
+    } else
+#elif PLATFORM(WIN)
+    if (IsDebuggerPresent()) {
+        size_t size = 1024;
+
+        do {
+            char* buffer = (char*)malloc(size);
+
+            if (buffer == NULL)
+                break;
+
+            if (_vsnprintf(buffer, size, format, args) != -1) {
+                OutputDebugStringA(buffer);
+                free(buffer);
+                break;
+            }
+
+            free(buffer);
+            size *= 2;
+        } while (size > 1024);
+    }
+#endif
+        vfprintf_no_warning(stderr, format, args);
+}
+
+static void printf_stderr_common(const char* format, ...)
+{
+    va_list args;
+    va_start(args, format);
+    vprintf_stderr_common(format, args);
+    va_end(args);
+}
+
+static void printCallSite(const char* file, int line, const char* function)
+{
+#if PLATFORM(WIN) && defined _DEBUG
+    _CrtDbgReport(_CRT_WARN, file, line, NULL, "%s\n", function);
+#else
+    printf_stderr_common("(%s:%d %s)\n", file, line, function);
+#endif
+}
+
+void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion)
+{
+    if (assertion)
+        printf_stderr_common("ASSERTION FAILED: %s\n", assertion);
+    else
+        printf_stderr_common("SHOULD NEVER BE REACHED\n");
+    printCallSite(file, line, function);
+}
+
+void WTFReportAssertionFailureWithMessage(const char* file, int line, const char* function, const char* assertion, const char* format, ...)
+{
+    printf_stderr_common("ASSERTION FAILED: ");
+    va_list args;
+    va_start(args, format);
+    vprintf_stderr_common(format, args);
+    va_end(args);
+    printf_stderr_common("\n%s\n", assertion);
+    printCallSite(file, line, function);
+}
+
+void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion)
+{
+    printf_stderr_common("ARGUMENT BAD: %s, %s\n", argName, assertion);
+    printCallSite(file, line, function);
+}
+
+void WTFReportFatalError(const char* file, int line, const char* function, const char* format, ...)
+{
+    printf_stderr_common("FATAL ERROR: ");
+    va_list args;
+    va_start(args, format);
+    vprintf_stderr_common(format, args);
+    va_end(args);
+    printf_stderr_common("\n");
+    printCallSite(file, line, function);
+}
+
+void WTFReportError(const char* file, int line, const char* function, const char* format, ...)
+{
+    printf_stderr_common("ERROR: ");
+    va_list args;
+    va_start(args, format);
+    vprintf_stderr_common(format, args);
+    va_end(args);
+    printf_stderr_common("\n");
+    printCallSite(file, line, function);
+}
+
+void WTFLog(WTFLogChannel* channel, const char* format, ...)
+{
+    if (channel->state != WTFLogChannelOn)
+        return;
+
+    va_list args;
+    va_start(args, format);
+    vprintf_stderr_common(format, args);
+    va_end(args);
+    if (format[strlen(format) - 1] != '\n')
+        printf_stderr_common("\n");
+}
+
+void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel* channel, const char* format, ...)
+{
+    if (channel->state != WTFLogChannelOn)
+        return;
+
+    va_list args;
+    va_start(args, format);
+    vprintf_stderr_common(format, args);
+    va_end(args);
+    if (format[strlen(format) - 1] != '\n')
+        printf_stderr_common("\n");
+    printCallSite(file, line, function);
+}
+
+} // extern "C"