Keep only base/extractor.[cc|h].

third_party/breakpad/src/google_breakpad/processor/symbol_supplier.h

-// Copyright (c) 2006, Google Inc.
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// The caller may implement the SymbolSupplier abstract base class
-// to provide symbols for a given module.
-
-#ifndef GOOGLE_BREAKPAD_PROCESSOR_SYMBOL_SUPPLIER_H__
-#define GOOGLE_BREAKPAD_PROCESSOR_SYMBOL_SUPPLIER_H__
-
-#include <string>
-
-namespace google_breakpad {
-
-using std::string;
-class CodeModule;
-class SystemInfo;
-
-class SymbolSupplier {
- public:
-  // Result type for GetSymbolFile
-  enum SymbolResult {
-    // no symbols were found, but continue processing
-    NOT_FOUND,
-
-    // symbols were found, and the path has been placed in symbol_file
-    FOUND,
-
-    // stops processing the minidump immediately
-    INTERRUPT
-  };
-
-  virtual ~SymbolSupplier() {}
-
-  // Retrieves the symbol file for the given CodeModule, placing the
-  // path in symbol_file if successful.  system_info contains strings
-  // identifying the operating system and CPU; SymbolSupplier may use
-  // to help locate the symbol file.  system_info may be NULL or its
-  // fields may be empty if these values are unknown.  symbol_file
-  // must be a pointer to a valid string
-  virtual SymbolResult GetSymbolFile(const CodeModule *module,
-                                     const SystemInfo *system_info,
-                                     string *symbol_file) = 0;
-  // Same as above, except also places symbol data into symbol_data.
-  // If symbol_data is NULL, the data is not returned.
-  // TODO(nealsid) Once we have symbol data caching behavior implemented
-  // investigate making all symbol suppliers implement all methods,
-  // and make this pure virtual
-  virtual SymbolResult GetSymbolFile(const CodeModule *module,
-                                     const SystemInfo *system_info,
-                                     string *symbol_file,
-                                     string *symbol_data) = 0;
-
-  // Same as above, except allocates data buffer on heap and then places the
-  // symbol data into the buffer as C-string.
-  // SymbolSupplier is responsible for deleting the data buffer. After the call
-  // to GetCStringSymbolData(), the caller should call FreeSymbolData(const
-  // Module *module) once the data buffer is no longer needed.
-  // If symbol_data is not NULL, symbol supplier won't return FOUND unless it
-  // returns a valid buffer in symbol_data, e.g., returns INTERRUPT on memory
-  // allocation failure.
-  virtual SymbolResult GetCStringSymbolData(const CodeModule *module,
-                                            const SystemInfo *system_info,
-                                            string *symbol_file,
-                                            char **symbol_data) = 0;
-
-  // Frees the data buffer allocated for the module in GetCStringSymbolData.
-  virtual void FreeSymbolData(const CodeModule *module) = 0;
-};
-
-}  // namespace google_breakpad
-
-#endif  // GOOGLE_BREAKPAD_PROCESSOR_SYMBOL_SUPPLIER_H__