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comparison: toolkit/crashreporter/google-breakpad/src/common/language.h
toolkit/crashreporter/google-breakpad/src/common/language.h
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- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:1fc1f635d95a |
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| 1 // -*- mode: c++ -*- | |
| 2 | |
| 3 // Copyright (c) 2010 Google Inc. | |
| 4 // All rights reserved. | |
| 5 // | |
| 6 // Redistribution and use in source and binary forms, with or without | |
| 7 // modification, are permitted provided that the following conditions are | |
| 8 // met: | |
| 9 // | |
| 10 // * Redistributions of source code must retain the above copyright | |
| 11 // notice, this list of conditions and the following disclaimer. | |
| 12 // * Redistributions in binary form must reproduce the above | |
| 13 // copyright notice, this list of conditions and the following disclaimer | |
| 14 // in the documentation and/or other materials provided with the | |
| 15 // distribution. | |
| 16 // * Neither the name of Google Inc. nor the names of its | |
| 17 // contributors may be used to endorse or promote products derived from | |
| 18 // this software without specific prior written permission. | |
| 19 // | |
| 20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 31 | |
| 32 // Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com> | |
| 33 | |
| 34 // language.h: Define google_breakpad::Language. Instances of | |
| 35 // subclasses of this class provide language-appropriate operations | |
| 36 // for the Breakpad symbol dumper. | |
| 37 | |
| 38 #ifndef COMMON_LINUX_LANGUAGE_H__ | |
| 39 #define COMMON_LINUX_LANGUAGE_H__ | |
| 40 | |
| 41 #include <string> | |
| 42 | |
| 43 #include "common/using_std_string.h" | |
| 44 | |
| 45 namespace google_breakpad { | |
| 46 | |
| 47 // An abstract base class for language-specific operations. We choose | |
| 48 // an instance of a subclass of this when we find the CU's language. | |
| 49 // This class's definitions are appropriate for CUs with no specified | |
| 50 // language. | |
| 51 class Language { | |
| 52 public: | |
| 53 // A base class destructor should be either public and virtual, | |
| 54 // or protected and nonvirtual. | |
| 55 virtual ~Language() {} | |
| 56 | |
| 57 // Return true if this language has functions to which we can assign | |
| 58 // line numbers. (Debugging info for assembly language, for example, | |
| 59 // can have source location information, but does not have functions | |
| 60 // recorded using DW_TAG_subprogram DIEs.) | |
| 61 virtual bool HasFunctions() const { return true; } | |
| 62 | |
| 63 // Construct a fully-qualified, language-appropriate form of NAME, | |
| 64 // given that PARENT_NAME is the name of the construct enclosing | |
| 65 // NAME. If PARENT_NAME is the empty string, then NAME is a | |
| 66 // top-level name. | |
| 67 // | |
| 68 // This API sort of assumes that a fully-qualified name is always | |
| 69 // some simple textual composition of the unqualified name and its | |
| 70 // parent's name, and that we don't need to know anything else about | |
| 71 // the parent or the child (say, their DIEs' tags) to do the job. | |
| 72 // This is true for the languages we support at the moment, and | |
| 73 // keeps things concrete. Perhaps a more refined operation would | |
| 74 // take into account the parent and child DIE types, allow languages | |
| 75 // to use their own data type for complex parent names, etc. But if | |
| 76 // C++ doesn't need all that, who would? | |
| 77 virtual string MakeQualifiedName (const string &parent_name, | |
| 78 const string &name) const = 0; | |
| 79 | |
| 80 // Instances for specific languages. | |
| 81 static const Language * const CPlusPlus, | |
| 82 * const Java, | |
| 83 * const Assembler; | |
| 84 }; | |
| 85 | |
| 86 } // namespace google_breakpad | |
| 87 | |
| 88 #endif // COMMON_LINUX_LANGUAGE_H__ |
