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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /toolkit/crashreporter/google-breakpad/src/common/language.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/common/language.h')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/common/language.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/common/language.h b/toolkit/crashreporter/google-breakpad/src/common/language.h new file mode 100644 index 0000000000..2d2dbcd9e9 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/common/language.h @@ -0,0 +1,105 @@ +// -*- mode: c++ -*- + +// Copyright (c) 2010 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> + +// language.h: Define google_breakpad::Language. Instances of +// subclasses of this class provide language-appropriate operations +// for the Breakpad symbol dumper. + +#ifndef COMMON_LINUX_LANGUAGE_H__ +#define COMMON_LINUX_LANGUAGE_H__ + +#include <string> + +#include "common/using_std_string.h" + +namespace google_breakpad { + +// An abstract base class for language-specific operations. We choose +// an instance of a subclass of this when we find the CU's language. +// This class's definitions are appropriate for CUs with no specified +// language. +class Language { + public: + // A base class destructor should be either public and virtual, + // or protected and nonvirtual. + virtual ~Language() {} + + // Return true if this language has functions to which we can assign + // line numbers. (Debugging info for assembly language, for example, + // can have source location information, but does not have functions + // recorded using DW_TAG_subprogram DIEs.) + virtual bool HasFunctions() const { return true; } + + // Construct a fully-qualified, language-appropriate form of NAME, + // given that PARENT_NAME is the name of the construct enclosing + // NAME. If PARENT_NAME is the empty string, then NAME is a + // top-level name. + // + // This API sort of assumes that a fully-qualified name is always + // some simple textual composition of the unqualified name and its + // parent's name, and that we don't need to know anything else about + // the parent or the child (say, their DIEs' tags) to do the job. + // This is true for the languages we support at the moment, and + // keeps things concrete. Perhaps a more refined operation would + // take into account the parent and child DIE types, allow languages + // to use their own data type for complex parent names, etc. But if + // C++ doesn't need all that, who would? + virtual string MakeQualifiedName (const string &parent_name, + const string &name) const = 0; + + enum DemangleResult { + // Demangling was not performed because it’s not appropriate to attempt. + kDontDemangle = -1, + + kDemangleSuccess, + kDemangleFailure, + }; + + // Wraps abi::__cxa_demangle() or similar for languages where appropriate. + virtual DemangleResult DemangleName(const string& mangled, + string* demangled) const { + demangled->clear(); + return kDontDemangle; + } + + // Instances for specific languages. + static const Language * const CPlusPlus, + * const Java, + * const Swift, + * const Rust, + * const Assembler; +}; + +} // namespace google_breakpad + +#endif // COMMON_LINUX_LANGUAGE_H__ |