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: 2012-06-02 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            4723 :   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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