1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/crashreporter/google-breakpad/src/common/language.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,88 @@
1.4 +// -*- mode: c++ -*-
1.5 +
1.6 +// Copyright (c) 2010 Google Inc.
1.7 +// All rights reserved.
1.8 +//
1.9 +// Redistribution and use in source and binary forms, with or without
1.10 +// modification, are permitted provided that the following conditions are
1.11 +// met:
1.12 +//
1.13 +// * Redistributions of source code must retain the above copyright
1.14 +// notice, this list of conditions and the following disclaimer.
1.15 +// * Redistributions in binary form must reproduce the above
1.16 +// copyright notice, this list of conditions and the following disclaimer
1.17 +// in the documentation and/or other materials provided with the
1.18 +// distribution.
1.19 +// * Neither the name of Google Inc. nor the names of its
1.20 +// contributors may be used to endorse or promote products derived from
1.21 +// this software without specific prior written permission.
1.22 +//
1.23 +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.25 +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.26 +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.27 +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.28 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.29 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.30 +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.31 +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.32 +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.33 +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.34 +
1.35 +// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
1.36 +
1.37 +// language.h: Define google_breakpad::Language. Instances of
1.38 +// subclasses of this class provide language-appropriate operations
1.39 +// for the Breakpad symbol dumper.
1.40 +
1.41 +#ifndef COMMON_LINUX_LANGUAGE_H__
1.42 +#define COMMON_LINUX_LANGUAGE_H__
1.43 +
1.44 +#include <string>
1.45 +
1.46 +#include "common/using_std_string.h"
1.47 +
1.48 +namespace google_breakpad {
1.49 +
1.50 +// An abstract base class for language-specific operations. We choose
1.51 +// an instance of a subclass of this when we find the CU's language.
1.52 +// This class's definitions are appropriate for CUs with no specified
1.53 +// language.
1.54 +class Language {
1.55 + public:
1.56 + // A base class destructor should be either public and virtual,
1.57 + // or protected and nonvirtual.
1.58 + virtual ~Language() {}
1.59 +
1.60 + // Return true if this language has functions to which we can assign
1.61 + // line numbers. (Debugging info for assembly language, for example,
1.62 + // can have source location information, but does not have functions
1.63 + // recorded using DW_TAG_subprogram DIEs.)
1.64 + virtual bool HasFunctions() const { return true; }
1.65 +
1.66 + // Construct a fully-qualified, language-appropriate form of NAME,
1.67 + // given that PARENT_NAME is the name of the construct enclosing
1.68 + // NAME. If PARENT_NAME is the empty string, then NAME is a
1.69 + // top-level name.
1.70 + //
1.71 + // This API sort of assumes that a fully-qualified name is always
1.72 + // some simple textual composition of the unqualified name and its
1.73 + // parent's name, and that we don't need to know anything else about
1.74 + // the parent or the child (say, their DIEs' tags) to do the job.
1.75 + // This is true for the languages we support at the moment, and
1.76 + // keeps things concrete. Perhaps a more refined operation would
1.77 + // take into account the parent and child DIE types, allow languages
1.78 + // to use their own data type for complex parent names, etc. But if
1.79 + // C++ doesn't need all that, who would?
1.80 + virtual string MakeQualifiedName (const string &parent_name,
1.81 + const string &name) const = 0;
1.82 +
1.83 + // Instances for specific languages.
1.84 + static const Language * const CPlusPlus,
1.85 + * const Java,
1.86 + * const Assembler;
1.87 +};
1.88 +
1.89 +} // namespace google_breakpad
1.90 +
1.91 +#endif // COMMON_LINUX_LANGUAGE_H__
