Version 1.8 of gecko-sdk. Downloaded from here:...

gecko-sdk/include/nsDebug.h

Index: gecko-sdk/include/nsDebug.h
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--- gecko-sdk/include/nsDebug.h	(revision 0)
+++ gecko-sdk/include/nsDebug.h	(revision 0)
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef nsDebug_h___
+#define nsDebug_h___
+
+#ifndef nscore_h___
+#include "nscore.h"
+#endif
+
+#ifndef nsError_h__
+#include "nsError.h"
+#endif 
+
+#ifdef DEBUG
+#define NS_DEBUG
+#endif
+
+/**
+ * Namespace for debugging methods. Note that your code must use the
+ * macros defined later in this file so that the debug code can be
+ * conditionally compiled out.
+ */
+
+PR_BEGIN_EXTERN_C
+
+/**
+ * Log a warning message to the debug log.
+ */
+NS_COM_GLUE void NS_FASTCALL
+NSGlue_Warning(const char *aMessage, const char *aFile, PRIntn aLine);
+
+/**
+ * Abort the executing program. This works on all architectures.
+ */
+NS_COM_GLUE void NS_FASTCALL
+NSGlue_Abort(const char *aFile, PRIntn aLine);
+
+/**
+ * Break the executing program into the debugger. 
+ */
+NS_COM_GLUE void NS_FASTCALL
+NSGlue_Break(const char* aFile, PRIntn aLine);
+
+/**
+ * Log an assertion message to the debug log
+ */
+NS_COM_GLUE void NS_FASTCALL
+NSGlue_Assertion(const char* aStr, const char* aExpr,
+                 const char* aFile, PRIntn aLine);
+
+PR_END_EXTERN_C
+
+#ifdef DEBUG
+
+/**
+ * Abort the execution of the program if the expression evaluates to
+ * false.
+ *
+ * There is no status value returned from the macro.
+ *
+ * Note that the non-debug version of this macro does <b>not</b>
+ * evaluate the expression argument. Hence side effect statements
+ * as arguments to the macro will yield improper execution in a
+ * non-debug build. For example:
+ *
+ *      NS_ABORT_IF_FALSE(0 == foo++, "yikes foo should be zero");
+ *
+ * Note also that the non-debug version of this macro does <b>not</b>
+ * evaluate the message argument.
+ */
+#define NS_ABORT_IF_FALSE(_expr, _msg)                        \
+  PR_BEGIN_MACRO                                              \
+    if (!(_expr)) {                                           \
+      NSGlue_Assertion(_msg, #_expr, __FILE__, __LINE__);     \
+    }                                                         \
+  PR_END_MACRO
+
+/**
+ * Warn if a given condition is false.
+ *
+ * Program execution continues past the usage of this macro.
+ *
+ * Note also that the non-debug version of this macro does <b>not</b>
+ * evaluate the message argument.
+ */
+#define NS_WARN_IF_FALSE(_expr,_msg)                          \
+  PR_BEGIN_MACRO                                              \
+    if (!(_expr)) {                                           \
+      NSGlue_Assertion(_msg, #_expr, __FILE__, __LINE__);     \
+    }                                                         \
+  PR_END_MACRO
+
+/**
+ * Test a precondition for truth. If the expression is not true then
+ * trigger a program failure.
+ */
+#define NS_PRECONDITION(expr, str)                            \
+  PR_BEGIN_MACRO                                              \
+    if (!(expr)) {                                            \
+      NSGlue_Assertion(str, #expr, __FILE__, __LINE__);       \
+    }                                                         \
+  PR_END_MACRO
+
+/**
+ * Test an assertion for truth. If the expression is not true then
+ * trigger a program failure.
+ */
+#define NS_ASSERTION(expr, str)                               \
+  PR_BEGIN_MACRO                                              \
+    if (!(expr)) {                                            \
+      NSGlue_Assertion(str, #expr, __FILE__, __LINE__);       \
+    }                                                         \
+  PR_END_MACRO
+
+/**
+ * Test a post-condition for truth. If the expression is not true then
+ * trigger a program failure.
+ */
+#define NS_POSTCONDITION(expr, str)                           \
+  PR_BEGIN_MACRO                                              \
+    if (!(expr)) {                                            \
+      NSGlue_Assertion(str, #expr, __FILE__, __LINE__);       \
+    }                                                         \
+  PR_END_MACRO
+
+/**
+ * This macros triggers a program failure if executed. It indicates that
+ * an attempt was made to execute some unimplemented functionality.
+ */
+#define NS_NOTYETIMPLEMENTED(str)                             \
+  NSGlue_Assertion(str, "NotYetImplemented", __FILE__, __LINE__)
+
+/**
+ * This macros triggers a program failure if executed. It indicates that
+ * an attempt was made to execute some unimplemented functionality.
+ */
+#define NS_NOTREACHED(str)                                    \
+  NSGlue_Assertion(str, "Not Reached", __FILE__, __LINE__)
+
+/**
+ * Log an error message.
+ */
+#define NS_ERROR(str)                                         \
+  NSGlue_Assertion(str, "Error", __FILE__, __LINE__)
+
+/**
+ * Log a warning message.
+ */
+#define NS_WARNING(str)                                       \
+  NSGlue_Warning(str, __FILE__, __LINE__)
+
+/**
+ * Trigger an abort
+ */
+#define NS_ABORT()                                            \
+  NSGlue_Abort(__FILE__, __LINE__)
+
+/**
+ * Cause a break
+ */
+#define NS_BREAK()                                            \
+  NSGlue_Break(__FILE__, __LINE__)
+
+#else /* NS_DEBUG */
+
+/**
+ * The non-debug version of these macros do not evaluate the
+ * expression or the message arguments to the macro.
+ */
+#define NS_ABORT_IF_FALSE(_expr, _msg) PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_WARN_IF_FALSE(_expr, _msg)  PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_PRECONDITION(expr, str)     PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_ASSERTION(expr, str)        PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_POSTCONDITION(expr, str)    PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_NOTYETIMPLEMENTED(str)      PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_NOTREACHED(str)             PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_ERROR(str)                  PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_WARNING(str)                PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_ABORT()                     PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+#define NS_BREAK()                     PR_BEGIN_MACRO /* nothing */ PR_END_MACRO
+
+#endif /* ! NS_DEBUG */
+
+/* Macros for checking the trueness of an expression passed in within an 
+ * interface implementation.  These need to be compiled regardless of the */
+/* NS_DEBUG flag
+******************************************************************************/
+
+#define NS_ENSURE_TRUE(x, ret)                                \
+  PR_BEGIN_MACRO                                              \
+    if (NS_UNLIKELY(!(x))) {                                  \
+       NS_WARNING("NS_ENSURE_TRUE(" #x ") failed");           \
+       return ret;                                            \
+    }                                                         \
+  PR_END_MACRO
+
+#define NS_ENSURE_FALSE(x, ret)                               \
+  NS_ENSURE_TRUE(!(x), ret)
+
+/******************************************************************************
+** Macros for checking results
+******************************************************************************/
+
+#define NS_ENSURE_SUCCESS(res, ret) \
+  NS_ENSURE_TRUE(NS_SUCCEEDED(res), ret)
+
+/******************************************************************************
+** Macros for checking state and arguments upon entering interface boundaries
+******************************************************************************/
+
+#define NS_ENSURE_ARG(arg)                                    \
+  NS_ENSURE_TRUE(arg, NS_ERROR_INVALID_ARG)
+
+#define NS_ENSURE_ARG_POINTER(arg)                            \
+  NS_ENSURE_TRUE(arg, NS_ERROR_INVALID_POINTER)
+
+#define NS_ENSURE_ARG_MIN(arg, min)                           \
+  NS_ENSURE_TRUE((arg) >= min, NS_ERROR_INVALID_ARG)
+
+#define NS_ENSURE_ARG_MAX(arg, max)                           \
+  NS_ENSURE_TRUE((arg) <= max, NS_ERROR_INVALID_ARG)
+
+#define NS_ENSURE_ARG_RANGE(arg, min, max)                    \
+  NS_ENSURE_TRUE(((arg) >= min) && ((arg) <= max), NS_ERROR_INVALID_ARG)
+
+#define NS_ENSURE_STATE(state)                                \
+  NS_ENSURE_TRUE(state, NS_ERROR_UNEXPECTED)
+
+#define NS_ENSURE_NO_AGGREGATION(outer)                       \
+  NS_ENSURE_FALSE(outer, NS_ERROR_NO_AGGREGATION)
+
+#define NS_ENSURE_PROPER_AGGREGATION(outer, iid)              \
+  NS_ENSURE_FALSE(outer && !iid.Equals(NS_GET_IID(nsISupports)), NS_ERROR_INVALID_ARG)
+
+/*****************************************************************************/
+
+#ifdef XPCOM_GLUE
+#define NS_CheckThreadSafe
+#else
+#define NS_CheckThreadSafe(owningThread, msg)                 \
+  NS_ASSERTION(owningThread == PR_GetCurrentThread(), msg)
+#endif
+
+#endif /* nsDebug_h___ */
Property changes on: gecko-sdk\include\nsDebug.h
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