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-rw-r--r--absl/base/BUILD.bazel1
-rw-r--r--absl/base/CMakeLists.txt2
-rw-r--r--absl/base/internal/raw_logging.cc16
-rw-r--r--absl/base/internal/raw_logging.h43
-rw-r--r--absl/base/raw_logging_test.cc29
5 files changed, 90 insertions, 1 deletions
diff --git a/absl/base/BUILD.bazel b/absl/base/BUILD.bazel
index 35414a25..06d092eb 100644
--- a/absl/base/BUILD.bazel
+++ b/absl/base/BUILD.bazel
@@ -362,6 +362,7 @@ cc_test(
copts = ABSL_TEST_COPTS,
deps = [
":base",
+ "//absl/strings",
"@com_google_googletest//:gtest_main",
],
)
diff --git a/absl/base/CMakeLists.txt b/absl/base/CMakeLists.txt
index 303533e2..01d2af08 100644
--- a/absl/base/CMakeLists.txt
+++ b/absl/base/CMakeLists.txt
@@ -310,7 +310,7 @@ absl_test(
# test raw_logging_test
set(RAW_LOGGING_TEST_SRC "raw_logging_test.cc")
-set(RAW_LOGGING_TEST_PUBLIC_LIBRARIES absl::base)
+set(RAW_LOGGING_TEST_PUBLIC_LIBRARIES absl::base absl::strings)
absl_test(
TARGET
diff --git a/absl/base/internal/raw_logging.cc b/absl/base/internal/raw_logging.cc
index 1ce13888..41101bd7 100644
--- a/absl/base/internal/raw_logging.cc
+++ b/absl/base/internal/raw_logging.cc
@@ -206,6 +206,15 @@ void RawLog(absl::LogSeverity severity, const char* file, int line,
va_end(ap);
}
+// Non-formatting version of RawLog().
+//
+// TODO(gfalcon): When string_view no longer depends on base, change this
+// interface to take its message as a string_view instead.
+static void DefaultInternalLog(absl::LogSeverity severity, const char* file,
+ int line, const std::string& message) {
+ RawLog(severity, file, line, "%s", message.c_str());
+}
+
bool RawLoggingFullySupported() {
#ifdef ABSL_LOW_LEVEL_WRITE_SUPPORTED
return true;
@@ -214,5 +223,12 @@ bool RawLoggingFullySupported() {
#endif // !ABSL_LOW_LEVEL_WRITE_SUPPORTED
}
+ABSL_CONST_INIT absl::base_internal::AtomicHook<InternalLogFunction>
+ internal_log_function(DefaultInternalLog);
+
+void RegisterInternalLogFunction(InternalLogFunction func) {
+ internal_log_function.Store(func);
+}
+
} // namespace raw_logging_internal
} // namespace absl
diff --git a/absl/base/internal/raw_logging.h b/absl/base/internal/raw_logging.h
index a2b7207a..67abfd30 100644
--- a/absl/base/internal/raw_logging.h
+++ b/absl/base/internal/raw_logging.h
@@ -19,7 +19,10 @@
#ifndef ABSL_BASE_INTERNAL_RAW_LOGGING_H_
#define ABSL_BASE_INTERNAL_RAW_LOGGING_H_
+#include <string>
+
#include "absl/base/attributes.h"
+#include "absl/base/internal/atomic_hook.h"
#include "absl/base/log_severity.h"
#include "absl/base/macros.h"
#include "absl/base/port.h"
@@ -57,6 +60,34 @@
} \
} while (0)
+// ABSL_INTERNAL_LOG and ABSL_INTERNAL_CHECK work like the RAW variants above,
+// except that if the richer log library is linked into the binary, we dispatch
+// to that instead. This is potentially useful for internal logging and
+// assertions, where we are using RAW_LOG neither for its async-signal-safety
+// nor for its non-allocating nature, but rather because raw logging has very
+// few other dependencies.
+//
+// The API is a subset of the above: each macro only takes two arguments. Use
+// StrCat if you need to build a richer message.
+#define ABSL_INTERNAL_LOG(severity, message) \
+ do { \
+ constexpr const char* absl_raw_logging_internal_basename = \
+ ::absl::raw_logging_internal::Basename(__FILE__, \
+ sizeof(__FILE__) - 1); \
+ ::absl::raw_logging_internal::internal_log_function( \
+ ABSL_RAW_LOGGING_INTERNAL_##severity, \
+ absl_raw_logging_internal_basename, __LINE__, message); \
+ } while (0)
+
+#define ABSL_INTERNAL_CHECK(condition, message) \
+ do { \
+ if (ABSL_PREDICT_FALSE(!(condition))) { \
+ std::string death_message = "Check " #condition " failed: "; \
+ death_message += std::string(message); \
+ ABSL_INTERNAL_LOG(FATAL, death_message); \
+ } \
+ } while (0)
+
#define ABSL_RAW_LOGGING_INTERNAL_INFO ::absl::LogSeverity::kInfo
#define ABSL_RAW_LOGGING_INTERNAL_WARNING ::absl::LogSeverity::kWarning
#define ABSL_RAW_LOGGING_INTERNAL_ERROR ::absl::LogSeverity::kError
@@ -131,6 +162,18 @@ using LogPrefixHook = bool (*)(absl::LogSeverity severity, const char* file,
using AbortHook = void (*)(const char* file, int line, const char* buf_start,
const char* prefix_end, const char* buf_end);
+// Internal logging function for ABSL_INTERNAL_LOG to dispatch to.
+//
+// TODO(gfalcon): When string_view no longer depends on base, change this
+// interface to take its message as a string_view instead.
+using InternalLogFunction = void (*)(absl::LogSeverity severity,
+ const char* file, int line,
+ const std::string& message);
+
+extern base_internal::AtomicHook<InternalLogFunction> internal_log_function;
+
+void RegisterInternalLogFunction(InternalLogFunction func);
+
} // namespace raw_logging_internal
} // namespace absl
diff --git a/absl/base/raw_logging_test.cc b/absl/base/raw_logging_test.cc
index dae4b351..ebbc5db9 100644
--- a/absl/base/raw_logging_test.cc
+++ b/absl/base/raw_logging_test.cc
@@ -18,12 +18,20 @@
#include "absl/base/internal/raw_logging.h"
+#include <tuple>
+
#include "gtest/gtest.h"
+#include "absl/strings/str_cat.h"
namespace {
TEST(RawLoggingCompilationTest, Log) {
ABSL_RAW_LOG(INFO, "RAW INFO: %d", 1);
+ ABSL_RAW_LOG(INFO, "RAW INFO: %d %d", 1, 2);
+ ABSL_RAW_LOG(INFO, "RAW INFO: %d %d %d", 1, 2, 3);
+ ABSL_RAW_LOG(INFO, "RAW INFO: %d %d %d %d", 1, 2, 3, 4);
+ ABSL_RAW_LOG(INFO, "RAW INFO: %d %d %d %d %d", 1, 2, 3, 4, 5);
+ ABSL_RAW_LOG(WARNING, "RAW WARNING: %d", 1);
ABSL_RAW_LOG(ERROR, "RAW ERROR: %d", 1);
}
@@ -47,4 +55,25 @@ TEST(RawLoggingDeathTest, LogFatal) {
kExpectedDeathOutput);
}
+TEST(InternalLog, CompilationTest) {
+ ABSL_INTERNAL_LOG(INFO, "Internal Log");
+ std::string log_msg = "Internal Log";
+ ABSL_INTERNAL_LOG(INFO, log_msg);
+
+ ABSL_INTERNAL_LOG(INFO, log_msg + " 2");
+
+ float d = 1.1f;
+ ABSL_INTERNAL_LOG(INFO, absl::StrCat("Internal log ", 3, " + ", d));
+}
+
+TEST(InternalLogDeathTest, FailingCheck) {
+ EXPECT_DEATH_IF_SUPPORTED(ABSL_INTERNAL_CHECK(1 == 0, "explanation"),
+ kExpectedDeathOutput);
+}
+
+TEST(InternalLogDeathTest, LogFatal) {
+ EXPECT_DEATH_IF_SUPPORTED(ABSL_INTERNAL_LOG(FATAL, "my dog has fleas"),
+ kExpectedDeathOutput);
+}
+
} // namespace