/* * Copyright (C) 2012 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 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 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. */ #ifndef VMInspector_h #define VMInspector_h #define ENABLE_VMINSPECTOR 0 #include "CallFrame.h" #include "JSCJSValue.h" #include <stdarg.h> #include <stdio.h> #include <wtf/text/WTFString.h> namespace JSC { #if ENABLE(VMINSPECTOR) class VMInspector { public: static JS_EXPORT_PRIVATE const char* getTypeName(JSValue); static JS_EXPORT_PRIVATE void dumpFrame0(CallFrame*); static JS_EXPORT_PRIVATE void dumpFrame(CallFrame*, const char* prefix = 0, const char* funcName = 0, const char* file = 0, int line = -1); static JS_EXPORT_PRIVATE int countFrames(CallFrame*); // Special family of ...printf() functions that support, in addition to the // standard % formats (e.g. %d, %s, etc), the following extra JSC formatting // options, %J<x>, where <x> consists of: // // + - verbose mode modifier. // Used in combination with other options. Must come after the %J. // s - WTF::String* // // Examples of usage: // // WTF::String str("My WTF String"); // // // Printing the string. Will print: // // The wtf string says: "My WTF String" and is NOT EMPTY. // // VMInspector::printf("The wtf string says: \"%Js\" and is %s\n", // &str, str.isEmpty()?"EMPTY":"NOT EMPTY"); // // // Printing the string with verbose mode. Will print: // // <WTF::String "My WTF String"> // // VMInspector::printf("<%J+s>\n", &str); // // Also added some convenience non-JS formats: // // %b - boolean (va_args will look for an int). // Prints TRUE if non-zero, else prints FALSE. // // Caution: the user is expected to pass the correctly matched arguments // to pair with the corresponding % fomatting. static JS_EXPORT_PRIVATE void fprintf(FILE*, const char* format, ...); static JS_EXPORT_PRIVATE void printf(const char* format, ...); static JS_EXPORT_PRIVATE void sprintf(char*, const char* format, ...); static JS_EXPORT_PRIVATE void snprintf(char*, size_t, const char* format, ...); }; #endif // ENABLE(VMINSPECTOR) } // namespace JSC #endif // VMInspector.h