mirror of
https://github.com/classilla/tenfourfox.git
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88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef Logging_h
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#define Logging_h
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#include "mozilla/Likely.h"
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#ifdef ANDROID
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#include <android/log.h>
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#define LOG(...) __android_log_print(ANDROID_LOG_INFO, "GeckoLinker", __VA_ARGS__)
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#define WARN(...) __android_log_print(ANDROID_LOG_WARN, "GeckoLinker", __VA_ARGS__)
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#define ERROR(...) __android_log_print(ANDROID_LOG_ERROR, "GeckoLinker", __VA_ARGS__)
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#else
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#include <cstdio>
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/* Expand to 1 or m depending on whether there is one argument or more
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* given. */
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#define MOZ_ONE_OR_MORE_ARGS_IMPL2(_1, _2, _3, _4, _5, _6, _7, _8, _9, N, ...) \
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N
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#define MOZ_ONE_OR_MORE_ARGS_IMPL(args) MOZ_ONE_OR_MORE_ARGS_IMPL2 args
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#define MOZ_ONE_OR_MORE_ARGS(...) \
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MOZ_ONE_OR_MORE_ARGS_IMPL((__VA_ARGS__, m, m, m, m, m, m, m, m, 1, 0))
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#define MOZ_MACRO_GLUE(a, b) a b
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#define MOZ_CONCAT2(a, b) a ## b
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#define MOZ_CONCAT1(a, b) MOZ_CONCAT2(a, b)
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#define MOZ_CONCAT(a, b) MOZ_CONCAT1(a, b)
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/* Some magic to choose between LOG1 and LOGm depending on the number of
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* arguments */
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#define MOZ_CHOOSE_LOG(...) \
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MOZ_MACRO_GLUE(MOZ_CONCAT(LOG, MOZ_ONE_OR_MORE_ARGS(__VA_ARGS__)), \
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(__VA_ARGS__))
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#define LOG1(format) fprintf(stderr, format "\n")
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#define LOGm(format, ...) fprintf(stderr, format "\n", __VA_ARGS__)
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#define LOG(...) MOZ_CHOOSE_LOG(__VA_ARGS__)
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#define WARN(...) MOZ_CHOOSE_LOG("Warning: " __VA_ARGS__)
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#define ERROR(...) MOZ_CHOOSE_LOG("Error: " __VA_ARGS__)
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#endif
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class Logging
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{
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public:
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static bool isVerbose()
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{
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return Singleton.verbose;
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}
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private:
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bool verbose;
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public:
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static void Init()
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{
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const char *env = getenv("MOZ_DEBUG_LINKER");
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if (env && *env == '1')
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Singleton.verbose = true;
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}
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private:
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static Logging Singleton;
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};
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#define DEBUG_LOG(...) \
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do { \
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if (MOZ_UNLIKELY(Logging::isVerbose())) { \
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LOG(__VA_ARGS__); \
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} \
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} while(0)
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#if defined(__LP64__)
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# define PRIxAddr "lx"
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# define PRIxSize "lx"
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# define PRIdSize "ld"
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# define PRIuSize "lu"
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#else
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# define PRIxAddr "x"
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# define PRIxSize "x"
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# define PRIdSize "d"
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# define PRIuSize "u"
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#endif
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#endif /* Logging_h */
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