toolkit/crashreporter/google-breakpad/src/common/language.h@6474c204b198 (annotated)
toolkit/crashreporter/google-breakpad/src/common/language.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // -*- mode: c++ -*- |
| michael@0 | 2 | |
| michael@0 | 3 | // Copyright (c) 2010 Google Inc. |
| michael@0 | 4 | // All rights reserved. |
| michael@0 | 5 | // |
| michael@0 | 6 | // Redistribution and use in source and binary forms, with or without |
| michael@0 | 7 | // modification, are permitted provided that the following conditions are |
| michael@0 | 8 | // met: |
| michael@0 | 9 | // |
| michael@0 | 10 | // * Redistributions of source code must retain the above copyright |
| michael@0 | 11 | // notice, this list of conditions and the following disclaimer. |
| michael@0 | 12 | // * Redistributions in binary form must reproduce the above |
| michael@0 | 13 | // copyright notice, this list of conditions and the following disclaimer |
| michael@0 | 14 | // in the documentation and/or other materials provided with the |
| michael@0 | 15 | // distribution. |
| michael@0 | 16 | // * Neither the name of Google Inc. nor the names of its |
| michael@0 | 17 | // contributors may be used to endorse or promote products derived from |
| michael@0 | 18 | // this software without specific prior written permission. |
| michael@0 | 19 | // |
| michael@0 | 20 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| michael@0 | 21 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| michael@0 | 22 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| michael@0 | 23 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| michael@0 | 24 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| michael@0 | 25 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| michael@0 | 26 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| michael@0 | 27 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| michael@0 | 28 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| michael@0 | 29 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| michael@0 | 30 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 31 | |
| michael@0 | 32 | // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> |
| michael@0 | 33 | |
| michael@0 | 34 | // language.h: Define google_breakpad::Language. Instances of |
| michael@0 | 35 | // subclasses of this class provide language-appropriate operations |
| michael@0 | 36 | // for the Breakpad symbol dumper. |
| michael@0 | 37 | |
| michael@0 | 38 | #ifndef COMMON_LINUX_LANGUAGE_H__ |
| michael@0 | 39 | #define COMMON_LINUX_LANGUAGE_H__ |
| michael@0 | 40 | |
| michael@0 | 41 | #include <string> |
| michael@0 | 42 | |
| michael@0 | 43 | #include "common/using_std_string.h" |
| michael@0 | 44 | |
| michael@0 | 45 | namespace google_breakpad { |
| michael@0 | 46 | |
| michael@0 | 47 | // An abstract base class for language-specific operations. We choose |
| michael@0 | 48 | // an instance of a subclass of this when we find the CU's language. |
| michael@0 | 49 | // This class's definitions are appropriate for CUs with no specified |
| michael@0 | 50 | // language. |
| michael@0 | 51 | class Language { |
| michael@0 | 52 | public: |
| michael@0 | 53 | // A base class destructor should be either public and virtual, |
| michael@0 | 54 | // or protected and nonvirtual. |
| michael@0 | 55 | virtual ~Language() {} |
| michael@0 | 56 | |
| michael@0 | 57 | // Return true if this language has functions to which we can assign |
| michael@0 | 58 | // line numbers. (Debugging info for assembly language, for example, |
| michael@0 | 59 | // can have source location information, but does not have functions |
| michael@0 | 60 | // recorded using DW_TAG_subprogram DIEs.) |
| michael@0 | 61 | virtual bool HasFunctions() const { return true; } |
| michael@0 | 62 | |
| michael@0 | 63 | // Construct a fully-qualified, language-appropriate form of NAME, |
| michael@0 | 64 | // given that PARENT_NAME is the name of the construct enclosing |
| michael@0 | 65 | // NAME. If PARENT_NAME is the empty string, then NAME is a |
| michael@0 | 66 | // top-level name. |
| michael@0 | 67 | // |
| michael@0 | 68 | // This API sort of assumes that a fully-qualified name is always |
| michael@0 | 69 | // some simple textual composition of the unqualified name and its |
| michael@0 | 70 | // parent's name, and that we don't need to know anything else about |
| michael@0 | 71 | // the parent or the child (say, their DIEs' tags) to do the job. |
| michael@0 | 72 | // This is true for the languages we support at the moment, and |
| michael@0 | 73 | // keeps things concrete. Perhaps a more refined operation would |
| michael@0 | 74 | // take into account the parent and child DIE types, allow languages |
| michael@0 | 75 | // to use their own data type for complex parent names, etc. But if |
| michael@0 | 76 | // C++ doesn't need all that, who would? |
| michael@0 | 77 | virtual string MakeQualifiedName (const string &parent_name, |
| michael@0 | 78 | const string &name) const = 0; |
| michael@0 | 79 | |
| michael@0 | 80 | // Instances for specific languages. |
| michael@0 | 81 | static const Language * const CPlusPlus, |
| michael@0 | 82 | * const Java, |
| michael@0 | 83 | * const Assembler; |
| michael@0 | 84 | }; |
| michael@0 | 85 | |
| michael@0 | 86 | } // namespace google_breakpad |
| michael@0 | 87 | |
| michael@0 | 88 | #endif // COMMON_LINUX_LANGUAGE_H__ |
