LCOV - app.info - toolkit/crashreporter/google-breakpad/src/common/language.h

LCOV - code coverage report
| Current view: | directory - toolkit/crashreporter/google-breakpad/src/common - language.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 2 | 2 | 100.0 %
| Date: | 2012-04-07 | Functions: | 2 | 2 | 100.0 %

           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                 : namespace google_breakpad {
          44                 :
          45                 : using std::string;
          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             372 : class Language {
          52                 :  public:
          53                 :   // Return true if this language has functions to which we can assign
          54                 :   // line numbers. (Debugging info for assembly language, for example,
          55                 :   // can have source location information, but does not have functions
          56                 :   // recorded using DW_TAG_subprogram DIEs.)
          57            4845 :   virtual bool HasFunctions() const { return true; }
          58                 :
          59                 :   // Construct a fully-qualified, language-appropriate form of NAME,
          60                 :   // given that PARENT_NAME is the name of the construct enclosing
          61                 :   // NAME. If PARENT_NAME is the empty string, then NAME is a
          62                 :   // top-level name.
          63                 :   //
          64                 :   // This API sort of assumes that a fully-qualified name is always
          65                 :   // some simple textual composition of the unqualified name and its
          66                 :   // parent's name, and that we don't need to know anything else about
          67                 :   // the parent or the child (say, their DIEs' tags) to do the job.
          68                 :   // This is true for the languages we support at the moment, and
          69                 :   // keeps things concrete. Perhaps a more refined operation would
          70                 :   // take into account the parent and child DIE types, allow languages
          71                 :   // to use their own data type for complex parent names, etc. But if
          72                 :   // C++ doesn't need all that, who would?
          73                 :   virtual string MakeQualifiedName (const string &parent_name,
          74                 :                                     const string &name) const = 0;
          75                 :
          76                 :   // Instances for specific languages.
          77                 :   static const Language * const CPlusPlus,
          78                 :                         * const Java,
          79                 :                         * const Assembler;
          80                 : };
          81                 :
          82                 : } // namespace google_breakpad
          83                 :
          84                 : #endif  // COMMON_LINUX_LANGUAGE_H__

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