Repo created

TMessagesProj/jni/voip/webrtc/third_party/jni_zero/logging.h

@@ -0,0 +1,90 @@
+// Copyright 2023 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef JNI_ZERO_LOGGING_H_
+#define JNI_ZERO_LOGGING_H_
+
+#include "third_party/jni_zero/jni_export.h"
+
+#if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON)
+#define JNI_ZERO_DCHECK_IS_ON() false
+#else
+#define JNI_ZERO_DCHECK_IS_ON() true
+#endif
+
+// Simplified version of Google's logging. Adapted from perfetto's
+// implementation.
+namespace jni_zero {
+
+// Constexpr functions to extract basename(__FILE__), e.g.: ../foo/f.c -> f.c .
+constexpr const char* StrEnd(const char* s) {
+  return *s ? StrEnd(s + 1) : s;
+}
+
+constexpr const char* BasenameRecursive(const char* s,
+                                        const char* begin,
+                                        const char* end) {
+  return (*s == '/' && s < end)
+             ? (s + 1)
+             : ((s > begin) ? BasenameRecursive(s - 1, begin, end) : s);
+}
+
+constexpr const char* Basename(const char* str) {
+  return BasenameRecursive(StrEnd(str), str, StrEnd(str));
+}
+
+enum LogLev { kLogInfo = 0, kLogError, kLogFatal };
+
+struct LogMessageCallbackArgs {
+  LogLev level;
+  int line;
+  const char* filename;
+  const char* message;
+};
+
+using LogMessageCallback = void (*)(LogMessageCallbackArgs);
+
+// This is not thread safe and must be called before using tracing from other
+// threads.
+JNI_ZERO_COMPONENT_BUILD_EXPORT void SetLogMessageCallback(
+    LogMessageCallback callback);
+
+JNI_ZERO_COMPONENT_BUILD_EXPORT void LogMessage(LogLev,
+                                                const char* fname,
+                                                int line,
+                                                const char* fmt,
+                                                ...)
+    __attribute__((__format__(__printf__, 4, 5)));
+
+#define JNI_ZERO_IMMEDIATE_CRASH() \
+  do {                             \
+    __builtin_trap();              \
+    __builtin_unreachable();       \
+  } while (0)
+#define JNI_ZERO_XLOG(level, fmt, ...)                                         \
+  ::jni_zero::LogMessage(level, ::jni_zero::Basename(__FILE__), __LINE__, fmt, \
+                         ##__VA_ARGS__)
+#define JNI_ZERO_ILOG(fmt, ...) \
+  JNI_ZERO_XLOG(::jni_zero::kLogInfo, fmt, ##__VA_ARGS__)
+#define JNI_ZERO_ELOG(fmt, ...) \
+  JNI_ZERO_XLOG(::jni_zero::kLogError, fmt, ##__VA_ARGS__)
+#define JNI_ZERO_FLOG(fmt, ...) \
+  JNI_ZERO_XLOG(::jni_zero::kLogFatal, fmt, ##__VA_ARGS__)
+
+#define JNI_ZERO_CHECK(x)                            \
+  do {                                               \
+    if (__builtin_expect(!(x), 0)) {                 \
+      JNI_ZERO_FLOG("%s", "JNI_ZERO_CHECK(" #x ")"); \
+    }                                                \
+  } while (0)
+#if JNI_ZERO_DCHECK_IS_ON()
+#define JNI_ZERO_DCHECK(x) JNI_ZERO_CHECK(x)
+#else
+#define JNI_ZERO_DCHECK(x) \
+  do {                     \
+  } while (false && (x))
+#endif
+}  // namespace jni_zero
+
+#endif  // JNI_ZERO_LOGGING_H_