| // Copyright 2012 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/debug/crash_logging.h" |
| |
| #include "base/strings/string_piece.h" |
| #include "build/build_config.h" |
| |
| namespace gurl_base::debug { |
| |
| namespace { |
| |
| CrashKeyImplementation* g_crash_key_impl = nullptr; |
| |
| } // namespace |
| |
| CrashKeyString* AllocateCrashKeyString(const char name[], |
| CrashKeySize value_length) { |
| if (!g_crash_key_impl) |
| return nullptr; |
| |
| // TODO(https://crbug.com/1341077): It would be great if the DCHECKs below |
| // could also be enabled on Android, but debugging tryjob failures was a bit |
| // difficult... :-/ |
| #if GURL_DCHECK_IS_ON() && !BUILDFLAG(IS_ANDROID) |
| gurl_base::StringPiece name_piece = name; |
| |
| // Some `CrashKeyImplementation`s reserve certain characters and disallow |
| // using them in crash key names. See also https://crbug.com/1341077. |
| GURL_DCHECK_EQ(gurl_base::StringPiece::npos, name_piece.find(':')) |
| << "; name_piece = " << name_piece; |
| |
| // Some `CrashKeyImplementation`s support only short crash key names (e.g. see |
| // the GURL_DCHECK in crash_reporter::internal::CrashKeyStringImpl::Set). |
| // Enforcing this restrictions here ensures that crash keys will work for all |
| // `CrashKeyStringImpl`s. |
| GURL_DCHECK_LT(name_piece.size(), 40u); |
| #endif |
| |
| return g_crash_key_impl->Allocate(name, value_length); |
| } |
| |
| void SetCrashKeyString(CrashKeyString* crash_key, gurl_base::StringPiece value) { |
| if (!g_crash_key_impl || !crash_key) |
| return; |
| |
| g_crash_key_impl->Set(crash_key, value); |
| } |
| |
| void ClearCrashKeyString(CrashKeyString* crash_key) { |
| if (!g_crash_key_impl || !crash_key) |
| return; |
| |
| g_crash_key_impl->Clear(crash_key); |
| } |
| |
| void OutputCrashKeysToStream(std::ostream& out) { |
| if (!g_crash_key_impl) |
| return; |
| |
| g_crash_key_impl->OutputCrashKeysToStream(out); |
| } |
| |
| ScopedCrashKeyString::ScopedCrashKeyString(CrashKeyString* crash_key, |
| gurl_base::StringPiece value) |
| : crash_key_(crash_key) { |
| SetCrashKeyString(crash_key_, value); |
| } |
| |
| ScopedCrashKeyString::ScopedCrashKeyString(ScopedCrashKeyString&& other) |
| : crash_key_(std::exchange(other.crash_key_, nullptr)) {} |
| |
| ScopedCrashKeyString::~ScopedCrashKeyString() { |
| ClearCrashKeyString(crash_key_); |
| } |
| |
| void SetCrashKeyImplementation(std::unique_ptr<CrashKeyImplementation> impl) { |
| delete g_crash_key_impl; |
| g_crash_key_impl = impl.release(); |
| } |
| |
| } // namespace gurl_base::debug |