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diff --git a/src/c-ares/test/gmock-1.7.0/scripts/fuse_gmock_files.py b/src/c-ares/test/gmock-1.7.0/scripts/fuse_gmock_files.py new file mode 100755 index 00000000..fc0baf79 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/fuse_gmock_files.py @@ -0,0 +1,240 @@ +#!/usr/bin/env python +# +# Copyright 2009, 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. + +"""fuse_gmock_files.py v0.1.0 +Fuses Google Mock and Google Test source code into two .h files and a .cc file. + +SYNOPSIS + fuse_gmock_files.py [GMOCK_ROOT_DIR] OUTPUT_DIR + + Scans GMOCK_ROOT_DIR for Google Mock and Google Test source + code, assuming Google Test is in the GMOCK_ROOT_DIR/gtest + sub-directory, and generates three files: + OUTPUT_DIR/gtest/gtest.h, OUTPUT_DIR/gmock/gmock.h, and + OUTPUT_DIR/gmock-gtest-all.cc. Then you can build your tests + by adding OUTPUT_DIR to the include search path and linking + with OUTPUT_DIR/gmock-gtest-all.cc. These three files contain + everything you need to use Google Mock. Hence you can + "install" Google Mock by copying them to wherever you want. + + GMOCK_ROOT_DIR can be omitted and defaults to the parent + directory of the directory holding this script. + +EXAMPLES + ./fuse_gmock_files.py fused_gmock + ./fuse_gmock_files.py path/to/unpacked/gmock fused_gmock + +This tool is experimental. In particular, it assumes that there is no +conditional inclusion of Google Mock or Google Test headers. Please +report any problems to googlemock@googlegroups.com. You can read +http://code.google.com/p/googlemock/wiki/CookBook for more +information. +""" + +__author__ = 'wan@google.com (Zhanyong Wan)' + +import os +import re +import sets +import sys + +# We assume that this file is in the scripts/ directory in the Google +# Mock root directory. +DEFAULT_GMOCK_ROOT_DIR = os.path.join(os.path.dirname(__file__), '..') + +# We need to call into gtest/scripts/fuse_gtest_files.py. +sys.path.append(os.path.join(DEFAULT_GMOCK_ROOT_DIR, 'gtest/scripts')) +import fuse_gtest_files +gtest = fuse_gtest_files + +# Regex for matching '#include "gmock/..."'. +INCLUDE_GMOCK_FILE_REGEX = re.compile(r'^\s*#\s*include\s*"(gmock/.+)"') + +# Where to find the source seed files. +GMOCK_H_SEED = 'include/gmock/gmock.h' +GMOCK_ALL_CC_SEED = 'src/gmock-all.cc' + +# Where to put the generated files. +GTEST_H_OUTPUT = 'gtest/gtest.h' +GMOCK_H_OUTPUT = 'gmock/gmock.h' +GMOCK_GTEST_ALL_CC_OUTPUT = 'gmock-gtest-all.cc' + + +def GetGTestRootDir(gmock_root): + """Returns the root directory of Google Test.""" + + return os.path.join(gmock_root, 'gtest') + + +def ValidateGMockRootDir(gmock_root): + """Makes sure gmock_root points to a valid gmock root directory. + + The function aborts the program on failure. + """ + + gtest.ValidateGTestRootDir(GetGTestRootDir(gmock_root)) + gtest.VerifyFileExists(gmock_root, GMOCK_H_SEED) + gtest.VerifyFileExists(gmock_root, GMOCK_ALL_CC_SEED) + + +def ValidateOutputDir(output_dir): + """Makes sure output_dir points to a valid output directory. + + The function aborts the program on failure. + """ + + gtest.VerifyOutputFile(output_dir, gtest.GTEST_H_OUTPUT) + gtest.VerifyOutputFile(output_dir, GMOCK_H_OUTPUT) + gtest.VerifyOutputFile(output_dir, GMOCK_GTEST_ALL_CC_OUTPUT) + + +def FuseGMockH(gmock_root, output_dir): + """Scans folder gmock_root to generate gmock/gmock.h in output_dir.""" + + output_file = file(os.path.join(output_dir, GMOCK_H_OUTPUT), 'w') + processed_files = sets.Set() # Holds all gmock headers we've processed. + + def ProcessFile(gmock_header_path): + """Processes the given gmock header file.""" + + # We don't process the same header twice. + if gmock_header_path in processed_files: + return + + processed_files.add(gmock_header_path) + + # Reads each line in the given gmock header. + for line in file(os.path.join(gmock_root, gmock_header_path), 'r'): + m = INCLUDE_GMOCK_FILE_REGEX.match(line) + if m: + # It's '#include "gmock/..."' - let's process it recursively. + ProcessFile('include/' + m.group(1)) + else: + m = gtest.INCLUDE_GTEST_FILE_REGEX.match(line) + if m: + # It's '#include "gtest/foo.h"'. We translate it to + # "gtest/gtest.h", regardless of what foo is, since all + # gtest headers are fused into gtest/gtest.h. + + # There is no need to #include gtest.h twice. + if not gtest.GTEST_H_SEED in processed_files: + processed_files.add(gtest.GTEST_H_SEED) + output_file.write('#include "%s"\n' % (gtest.GTEST_H_OUTPUT,)) + else: + # Otherwise we copy the line unchanged to the output file. + output_file.write(line) + + ProcessFile(GMOCK_H_SEED) + output_file.close() + + +def FuseGMockAllCcToFile(gmock_root, output_file): + """Scans folder gmock_root to fuse gmock-all.cc into output_file.""" + + processed_files = sets.Set() + + def ProcessFile(gmock_source_file): + """Processes the given gmock source file.""" + + # We don't process the same #included file twice. + if gmock_source_file in processed_files: + return + + processed_files.add(gmock_source_file) + + # Reads each line in the given gmock source file. + for line in file(os.path.join(gmock_root, gmock_source_file), 'r'): + m = INCLUDE_GMOCK_FILE_REGEX.match(line) + if m: + # It's '#include "gmock/foo.h"'. We treat it as '#include + # "gmock/gmock.h"', as all other gmock headers are being fused + # into gmock.h and cannot be #included directly. + + # There is no need to #include "gmock/gmock.h" more than once. + if not GMOCK_H_SEED in processed_files: + processed_files.add(GMOCK_H_SEED) + output_file.write('#include "%s"\n' % (GMOCK_H_OUTPUT,)) + else: + m = gtest.INCLUDE_GTEST_FILE_REGEX.match(line) + if m: + # It's '#include "gtest/..."'. + # There is no need to #include gtest.h as it has been + # #included by gtest-all.cc. + pass + else: + m = gtest.INCLUDE_SRC_FILE_REGEX.match(line) + if m: + # It's '#include "src/foo"' - let's process it recursively. + ProcessFile(m.group(1)) + else: + # Otherwise we copy the line unchanged to the output file. + output_file.write(line) + + ProcessFile(GMOCK_ALL_CC_SEED) + + +def FuseGMockGTestAllCc(gmock_root, output_dir): + """Scans folder gmock_root to generate gmock-gtest-all.cc in output_dir.""" + + output_file = file(os.path.join(output_dir, GMOCK_GTEST_ALL_CC_OUTPUT), 'w') + # First, fuse gtest-all.cc into gmock-gtest-all.cc. + gtest.FuseGTestAllCcToFile(GetGTestRootDir(gmock_root), output_file) + # Next, append fused gmock-all.cc to gmock-gtest-all.cc. + FuseGMockAllCcToFile(gmock_root, output_file) + output_file.close() + + +def FuseGMock(gmock_root, output_dir): + """Fuses gtest.h, gmock.h, and gmock-gtest-all.h.""" + + ValidateGMockRootDir(gmock_root) + ValidateOutputDir(output_dir) + + gtest.FuseGTestH(GetGTestRootDir(gmock_root), output_dir) + FuseGMockH(gmock_root, output_dir) + FuseGMockGTestAllCc(gmock_root, output_dir) + + +def main(): + argc = len(sys.argv) + if argc == 2: + # fuse_gmock_files.py OUTPUT_DIR + FuseGMock(DEFAULT_GMOCK_ROOT_DIR, sys.argv[1]) + elif argc == 3: + # fuse_gmock_files.py GMOCK_ROOT_DIR OUTPUT_DIR + FuseGMock(sys.argv[1], sys.argv[2]) + else: + print __doc__ + sys.exit(1) + + +if __name__ == '__main__': + main() diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/LICENSE b/src/c-ares/test/gmock-1.7.0/scripts/generator/LICENSE new file mode 100644 index 00000000..87ea0636 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/LICENSE @@ -0,0 +1,203 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [2007] Neal Norwitz + Portions Copyright [2007] Google Inc. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/README b/src/c-ares/test/gmock-1.7.0/scripts/generator/README new file mode 100644 index 00000000..d6f95974 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/README @@ -0,0 +1,35 @@ + +The Google Mock class generator is an application that is part of cppclean. +For more information about cppclean, see the README.cppclean file or +visit http://code.google.com/p/cppclean/ + +cppclean requires Python 2.3.5 or later. If you don't have Python installed +on your system, you will also need to install it. You can download Python +from: http://www.python.org/download/releases/ + +To use the Google Mock class generator, you need to call it +on the command line passing the header file and class for which you want +to generate a Google Mock class. + +Make sure to install the scripts somewhere in your path. Then you can +run the program. + + gmock_gen.py header-file.h [ClassName]... + +If no ClassNames are specified, all classes in the file are emitted. + +To change the indentation from the default of 2, set INDENT in +the environment. For example to use an indent of 4 spaces: + +INDENT=4 gmock_gen.py header-file.h ClassName + +This version was made from SVN revision 281 in the cppclean repository. + +Known Limitations +----------------- +Not all code will be generated properly. For example, when mocking templated +classes, the template information is lost. You will need to add the template +information manually. + +Not all permutations of using multiple pointers/references will be rendered +properly. These will also have to be fixed manually. diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/README.cppclean b/src/c-ares/test/gmock-1.7.0/scripts/generator/README.cppclean new file mode 100644 index 00000000..65431b61 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/README.cppclean @@ -0,0 +1,115 @@ +Goal: +----- + CppClean attempts to find problems in C++ source that slow development + in large code bases, for example various forms of unused code. + Unused code can be unused functions, methods, data members, types, etc + to unnecessary #include directives. Unnecessary #includes can cause + considerable extra compiles increasing the edit-compile-run cycle. + + The project home page is: http://code.google.com/p/cppclean/ + + +Features: +--------- + * Find and print C++ language constructs: classes, methods, functions, etc. + * Find classes with virtual methods, no virtual destructor, and no bases + * Find global/static data that are potential problems when using threads + * Unnecessary forward class declarations + * Unnecessary function declarations + * Undeclared function definitions + * (planned) Find unnecessary header files #included + - No direct reference to anything in the header + - Header is unnecessary if classes were forward declared instead + * (planned) Source files that reference headers not directly #included, + ie, files that rely on a transitive #include from another header + * (planned) Unused members (private, protected, & public) methods and data + * (planned) Store AST in a SQL database so relationships can be queried + +AST is Abstract Syntax Tree, a representation of parsed source code. +http://en.wikipedia.org/wiki/Abstract_syntax_tree + + +System Requirements: +-------------------- + * Python 2.4 or later (2.3 probably works too) + * Works on Windows (untested), Mac OS X, and Unix + + +How to Run: +----------- + For all examples, it is assumed that cppclean resides in a directory called + /cppclean. + + To print warnings for classes with virtual methods, no virtual destructor and + no base classes: + + /cppclean/run.sh nonvirtual_dtors.py file1.h file2.h file3.cc ... + + To print all the functions defined in header file(s): + + /cppclean/run.sh functions.py file1.h file2.h ... + + All the commands take multiple files on the command line. Other programs + include: find_warnings, headers, methods, and types. Some other programs + are available, but used primarily for debugging. + + run.sh is a simple wrapper that sets PYTHONPATH to /cppclean and then + runs the program in /cppclean/cpp/PROGRAM.py. There is currently + no equivalent for Windows. Contributions for a run.bat file + would be greatly appreciated. + + +How to Configure: +----------------- + You can add a siteheaders.py file in /cppclean/cpp to configure where + to look for other headers (typically -I options passed to a compiler). + Currently two values are supported: _TRANSITIVE and GetIncludeDirs. + _TRANSITIVE should be set to a boolean value (True or False) indicating + whether to transitively process all header files. The default is False. + + GetIncludeDirs is a function that takes a single argument and returns + a sequence of directories to include. This can be a generator or + return a static list. + + def GetIncludeDirs(filename): + return ['/some/path/with/other/headers'] + + # Here is a more complicated example. + def GetIncludeDirs(filename): + yield '/path1' + yield os.path.join('/path2', os.path.dirname(filename)) + yield '/path3' + + +How to Test: +------------ + For all examples, it is assumed that cppclean resides in a directory called + /cppclean. The tests require + + cd /cppclean + make test + # To generate expected results after a change: + make expected + + +Current Status: +--------------- + The parser works pretty well for header files, parsing about 99% of Google's + header files. Anything which inspects structure of C++ source files should + work reasonably well. Function bodies are not transformed to an AST, + but left as tokens. Much work is still needed on finding unused header files + and storing an AST in a database. + + +Non-goals: +---------- + * Parsing all valid C++ source + * Handling invalid C++ source gracefully + * Compiling to machine code (or anything beyond an AST) + + +Contact: +-------- + If you used cppclean, I would love to hear about your experiences + cppclean@googlegroups.com. Even if you don't use cppclean, I'd like to + hear from you. :-) (You can contact me directly at: nnorwitz@gmail.com) diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/__init__.py b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/__init__.py new file mode 100755 index 00000000..e69de29b --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/__init__.py diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/ast.py b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/ast.py new file mode 100755 index 00000000..bb8226d7 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/ast.py @@ -0,0 +1,1723 @@ +#!/usr/bin/env python +# +# Copyright 2007 Neal Norwitz +# Portions Copyright 2007 Google Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Generate an Abstract Syntax Tree (AST) for C++.""" + +__author__ = 'nnorwitz@google.com (Neal Norwitz)' + + +# TODO: +# * Tokens should never be exported, need to convert to Nodes +# (return types, parameters, etc.) +# * Handle static class data for templatized classes +# * Handle casts (both C++ and C-style) +# * Handle conditions and loops (if/else, switch, for, while/do) +# +# TODO much, much later: +# * Handle #define +# * exceptions + + +try: + # Python 3.x + import builtins +except ImportError: + # Python 2.x + import __builtin__ as builtins + +import sys +import traceback + +from cpp import keywords +from cpp import tokenize +from cpp import utils + + +if not hasattr(builtins, 'reversed'): + # Support Python 2.3 and earlier. + def reversed(seq): + for i in range(len(seq)-1, -1, -1): + yield seq[i] + +if not hasattr(builtins, 'next'): + # Support Python 2.5 and earlier. + def next(obj): + return obj.next() + + +VISIBILITY_PUBLIC, VISIBILITY_PROTECTED, VISIBILITY_PRIVATE = range(3) + +FUNCTION_NONE = 0x00 +FUNCTION_CONST = 0x01 +FUNCTION_VIRTUAL = 0x02 +FUNCTION_PURE_VIRTUAL = 0x04 +FUNCTION_CTOR = 0x08 +FUNCTION_DTOR = 0x10 +FUNCTION_ATTRIBUTE = 0x20 +FUNCTION_UNKNOWN_ANNOTATION = 0x40 +FUNCTION_THROW = 0x80 + +""" +These are currently unused. Should really handle these properly at some point. + +TYPE_MODIFIER_INLINE = 0x010000 +TYPE_MODIFIER_EXTERN = 0x020000 +TYPE_MODIFIER_STATIC = 0x040000 +TYPE_MODIFIER_CONST = 0x080000 +TYPE_MODIFIER_REGISTER = 0x100000 +TYPE_MODIFIER_VOLATILE = 0x200000 +TYPE_MODIFIER_MUTABLE = 0x400000 + +TYPE_MODIFIER_MAP = { + 'inline': TYPE_MODIFIER_INLINE, + 'extern': TYPE_MODIFIER_EXTERN, + 'static': TYPE_MODIFIER_STATIC, + 'const': TYPE_MODIFIER_CONST, + 'register': TYPE_MODIFIER_REGISTER, + 'volatile': TYPE_MODIFIER_VOLATILE, + 'mutable': TYPE_MODIFIER_MUTABLE, + } +""" + +_INTERNAL_TOKEN = 'internal' +_NAMESPACE_POP = 'ns-pop' + + +# TODO(nnorwitz): use this as a singleton for templated_types, etc +# where we don't want to create a new empty dict each time. It is also const. +class _NullDict(object): + __contains__ = lambda self: False + keys = values = items = iterkeys = itervalues = iteritems = lambda self: () + + +# TODO(nnorwitz): move AST nodes into a separate module. +class Node(object): + """Base AST node.""" + + def __init__(self, start, end): + self.start = start + self.end = end + + def IsDeclaration(self): + """Returns bool if this node is a declaration.""" + return False + + def IsDefinition(self): + """Returns bool if this node is a definition.""" + return False + + def IsExportable(self): + """Returns bool if this node exportable from a header file.""" + return False + + def Requires(self, node): + """Does this AST node require the definition of the node passed in?""" + return False + + def XXX__str__(self): + return self._StringHelper(self.__class__.__name__, '') + + def _StringHelper(self, name, suffix): + if not utils.DEBUG: + return '%s(%s)' % (name, suffix) + return '%s(%d, %d, %s)' % (name, self.start, self.end, suffix) + + def __repr__(self): + return str(self) + + +class Define(Node): + def __init__(self, start, end, name, definition): + Node.__init__(self, start, end) + self.name = name + self.definition = definition + + def __str__(self): + value = '%s %s' % (self.name, self.definition) + return self._StringHelper(self.__class__.__name__, value) + + +class Include(Node): + def __init__(self, start, end, filename, system): + Node.__init__(self, start, end) + self.filename = filename + self.system = system + + def __str__(self): + fmt = '"%s"' + if self.system: + fmt = '<%s>' + return self._StringHelper(self.__class__.__name__, fmt % self.filename) + + +class Goto(Node): + def __init__(self, start, end, label): + Node.__init__(self, start, end) + self.label = label + + def __str__(self): + return self._StringHelper(self.__class__.__name__, str(self.label)) + + +class Expr(Node): + def __init__(self, start, end, expr): + Node.__init__(self, start, end) + self.expr = expr + + def Requires(self, node): + # TODO(nnorwitz): impl. + return False + + def __str__(self): + return self._StringHelper(self.__class__.__name__, str(self.expr)) + + +class Return(Expr): + pass + + +class Delete(Expr): + pass + + +class Friend(Expr): + def __init__(self, start, end, expr, namespace): + Expr.__init__(self, start, end, expr) + self.namespace = namespace[:] + + +class Using(Node): + def __init__(self, start, end, names): + Node.__init__(self, start, end) + self.names = names + + def __str__(self): + return self._StringHelper(self.__class__.__name__, str(self.names)) + + +class Parameter(Node): + def __init__(self, start, end, name, parameter_type, default): + Node.__init__(self, start, end) + self.name = name + self.type = parameter_type + self.default = default + + def Requires(self, node): + # TODO(nnorwitz): handle namespaces, etc. + return self.type.name == node.name + + def __str__(self): + name = str(self.type) + suffix = '%s %s' % (name, self.name) + if self.default: + suffix += ' = ' + ''.join([d.name for d in self.default]) + return self._StringHelper(self.__class__.__name__, suffix) + + +class _GenericDeclaration(Node): + def __init__(self, start, end, name, namespace): + Node.__init__(self, start, end) + self.name = name + self.namespace = namespace[:] + + def FullName(self): + prefix = '' + if self.namespace and self.namespace[-1]: + prefix = '::'.join(self.namespace) + '::' + return prefix + self.name + + def _TypeStringHelper(self, suffix): + if self.namespace: + names = [n or '<anonymous>' for n in self.namespace] + suffix += ' in ' + '::'.join(names) + return self._StringHelper(self.__class__.__name__, suffix) + + +# TODO(nnorwitz): merge with Parameter in some way? +class VariableDeclaration(_GenericDeclaration): + def __init__(self, start, end, name, var_type, initial_value, namespace): + _GenericDeclaration.__init__(self, start, end, name, namespace) + self.type = var_type + self.initial_value = initial_value + + def Requires(self, node): + # TODO(nnorwitz): handle namespaces, etc. + return self.type.name == node.name + + def ToString(self): + """Return a string that tries to reconstitute the variable decl.""" + suffix = '%s %s' % (self.type, self.name) + if self.initial_value: + suffix += ' = ' + self.initial_value + return suffix + + def __str__(self): + return self._StringHelper(self.__class__.__name__, self.ToString()) + + +class Typedef(_GenericDeclaration): + def __init__(self, start, end, name, alias, namespace): + _GenericDeclaration.__init__(self, start, end, name, namespace) + self.alias = alias + + def IsDefinition(self): + return True + + def IsExportable(self): + return True + + def Requires(self, node): + # TODO(nnorwitz): handle namespaces, etc. + name = node.name + for token in self.alias: + if token is not None and name == token.name: + return True + return False + + def __str__(self): + suffix = '%s, %s' % (self.name, self.alias) + return self._TypeStringHelper(suffix) + + +class _NestedType(_GenericDeclaration): + def __init__(self, start, end, name, fields, namespace): + _GenericDeclaration.__init__(self, start, end, name, namespace) + self.fields = fields + + def IsDefinition(self): + return True + + def IsExportable(self): + return True + + def __str__(self): + suffix = '%s, {%s}' % (self.name, self.fields) + return self._TypeStringHelper(suffix) + + +class Union(_NestedType): + pass + + +class Enum(_NestedType): + pass + + +class Class(_GenericDeclaration): + def __init__(self, start, end, name, bases, templated_types, body, namespace): + _GenericDeclaration.__init__(self, start, end, name, namespace) + self.bases = bases + self.body = body + self.templated_types = templated_types + + def IsDeclaration(self): + return self.bases is None and self.body is None + + def IsDefinition(self): + return not self.IsDeclaration() + + def IsExportable(self): + return not self.IsDeclaration() + + def Requires(self, node): + # TODO(nnorwitz): handle namespaces, etc. + if self.bases: + for token_list in self.bases: + # TODO(nnorwitz): bases are tokens, do name comparision. + for token in token_list: + if token.name == node.name: + return True + # TODO(nnorwitz): search in body too. + return False + + def __str__(self): + name = self.name + if self.templated_types: + name += '<%s>' % self.templated_types + suffix = '%s, %s, %s' % (name, self.bases, self.body) + return self._TypeStringHelper(suffix) + + +class Struct(Class): + pass + + +class Function(_GenericDeclaration): + def __init__(self, start, end, name, return_type, parameters, + modifiers, templated_types, body, namespace): + _GenericDeclaration.__init__(self, start, end, name, namespace) + converter = TypeConverter(namespace) + self.return_type = converter.CreateReturnType(return_type) + self.parameters = converter.ToParameters(parameters) + self.modifiers = modifiers + self.body = body + self.templated_types = templated_types + + def IsDeclaration(self): + return self.body is None + + def IsDefinition(self): + return self.body is not None + + def IsExportable(self): + if self.return_type and 'static' in self.return_type.modifiers: + return False + return None not in self.namespace + + def Requires(self, node): + if self.parameters: + # TODO(nnorwitz): parameters are tokens, do name comparision. + for p in self.parameters: + if p.name == node.name: + return True + # TODO(nnorwitz): search in body too. + return False + + def __str__(self): + # TODO(nnorwitz): add templated_types. + suffix = ('%s %s(%s), 0x%02x, %s' % + (self.return_type, self.name, self.parameters, + self.modifiers, self.body)) + return self._TypeStringHelper(suffix) + + +class Method(Function): + def __init__(self, start, end, name, in_class, return_type, parameters, + modifiers, templated_types, body, namespace): + Function.__init__(self, start, end, name, return_type, parameters, + modifiers, templated_types, body, namespace) + # TODO(nnorwitz): in_class could also be a namespace which can + # mess up finding functions properly. + self.in_class = in_class + + +class Type(_GenericDeclaration): + """Type used for any variable (eg class, primitive, struct, etc).""" + + def __init__(self, start, end, name, templated_types, modifiers, + reference, pointer, array): + """ + Args: + name: str name of main type + templated_types: [Class (Type?)] template type info between <> + modifiers: [str] type modifiers (keywords) eg, const, mutable, etc. + reference, pointer, array: bools + """ + _GenericDeclaration.__init__(self, start, end, name, []) + self.templated_types = templated_types + if not name and modifiers: + self.name = modifiers.pop() + self.modifiers = modifiers + self.reference = reference + self.pointer = pointer + self.array = array + + def __str__(self): + prefix = '' + if self.modifiers: + prefix = ' '.join(self.modifiers) + ' ' + name = str(self.name) + if self.templated_types: + name += '<%s>' % self.templated_types + suffix = prefix + name + if self.reference: + suffix += '&' + if self.pointer: + suffix += '*' + if self.array: + suffix += '[]' + return self._TypeStringHelper(suffix) + + # By definition, Is* are always False. A Type can only exist in + # some sort of variable declaration, parameter, or return value. + def IsDeclaration(self): + return False + + def IsDefinition(self): + return False + + def IsExportable(self): + return False + + +class TypeConverter(object): + + def __init__(self, namespace_stack): + self.namespace_stack = namespace_stack + + def _GetTemplateEnd(self, tokens, start): + count = 1 + end = start + while 1: + token = tokens[end] + end += 1 + if token.name == '<': + count += 1 + elif token.name == '>': + count -= 1 + if count == 0: + break + return tokens[start:end-1], end + + def ToType(self, tokens): + """Convert [Token,...] to [Class(...), ] useful for base classes. + For example, code like class Foo : public Bar<x, y> { ... }; + the "Bar<x, y>" portion gets converted to an AST. + + Returns: + [Class(...), ...] + """ + result = [] + name_tokens = [] + reference = pointer = array = False + + def AddType(templated_types): + # Partition tokens into name and modifier tokens. + names = [] + modifiers = [] + for t in name_tokens: + if keywords.IsKeyword(t.name): + modifiers.append(t.name) + else: + names.append(t.name) + name = ''.join(names) + result.append(Type(name_tokens[0].start, name_tokens[-1].end, + name, templated_types, modifiers, + reference, pointer, array)) + del name_tokens[:] + + i = 0 + end = len(tokens) + while i < end: + token = tokens[i] + if token.name == '<': + new_tokens, new_end = self._GetTemplateEnd(tokens, i+1) + AddType(self.ToType(new_tokens)) + # If there is a comma after the template, we need to consume + # that here otherwise it becomes part of the name. + i = new_end + reference = pointer = array = False + elif token.name == ',': + AddType([]) + reference = pointer = array = False + elif token.name == '*': + pointer = True + elif token.name == '&': + reference = True + elif token.name == '[': + pointer = True + elif token.name == ']': + pass + else: + name_tokens.append(token) + i += 1 + + if name_tokens: + # No '<' in the tokens, just a simple name and no template. + AddType([]) + return result + + def DeclarationToParts(self, parts, needs_name_removed): + name = None + default = [] + if needs_name_removed: + # Handle default (initial) values properly. + for i, t in enumerate(parts): + if t.name == '=': + default = parts[i+1:] + name = parts[i-1].name + if name == ']' and parts[i-2].name == '[': + name = parts[i-3].name + i -= 1 + parts = parts[:i-1] + break + else: + if parts[-1].token_type == tokenize.NAME: + name = parts.pop().name + else: + # TODO(nnorwitz): this is a hack that happens for code like + # Register(Foo<T>); where it thinks this is a function call + # but it's actually a declaration. + name = '???' + modifiers = [] + type_name = [] + other_tokens = [] + templated_types = [] + i = 0 + end = len(parts) + while i < end: + p = parts[i] + if keywords.IsKeyword(p.name): + modifiers.append(p.name) + elif p.name == '<': + templated_tokens, new_end = self._GetTemplateEnd(parts, i+1) + templated_types = self.ToType(templated_tokens) + i = new_end - 1 + # Don't add a spurious :: to data members being initialized. + next_index = i + 1 + if next_index < end and parts[next_index].name == '::': + i += 1 + elif p.name in ('[', ']', '='): + # These are handled elsewhere. + other_tokens.append(p) + elif p.name not in ('*', '&', '>'): + # Ensure that names have a space between them. + if (type_name and type_name[-1].token_type == tokenize.NAME and + p.token_type == tokenize.NAME): + type_name.append(tokenize.Token(tokenize.SYNTAX, ' ', 0, 0)) + type_name.append(p) + else: + other_tokens.append(p) + i += 1 + type_name = ''.join([t.name for t in type_name]) + return name, type_name, templated_types, modifiers, default, other_tokens + + def ToParameters(self, tokens): + if not tokens: + return [] + + result = [] + name = type_name = '' + type_modifiers = [] + pointer = reference = array = False + first_token = None + default = [] + + def AddParameter(): + if default: + del default[0] # Remove flag. + end = type_modifiers[-1].end + parts = self.DeclarationToParts(type_modifiers, True) + (name, type_name, templated_types, modifiers, + unused_default, unused_other_tokens) = parts + parameter_type = Type(first_token.start, first_token.end, + type_name, templated_types, modifiers, + reference, pointer, array) + p = Parameter(first_token.start, end, name, + parameter_type, default) + result.append(p) + + template_count = 0 + for s in tokens: + if not first_token: + first_token = s + if s.name == '<': + template_count += 1 + elif s.name == '>': + template_count -= 1 + if template_count > 0: + type_modifiers.append(s) + continue + + if s.name == ',': + AddParameter() + name = type_name = '' + type_modifiers = [] + pointer = reference = array = False + first_token = None + default = [] + elif s.name == '*': + pointer = True + elif s.name == '&': + reference = True + elif s.name == '[': + array = True + elif s.name == ']': + pass # Just don't add to type_modifiers. + elif s.name == '=': + # Got a default value. Add any value (None) as a flag. + default.append(None) + elif default: + default.append(s) + else: + type_modifiers.append(s) + AddParameter() + return result + + def CreateReturnType(self, return_type_seq): + if not return_type_seq: + return None + start = return_type_seq[0].start + end = return_type_seq[-1].end + _, name, templated_types, modifiers, default, other_tokens = \ + self.DeclarationToParts(return_type_seq, False) + names = [n.name for n in other_tokens] + reference = '&' in names + pointer = '*' in names + array = '[' in names + return Type(start, end, name, templated_types, modifiers, + reference, pointer, array) + + def GetTemplateIndices(self, names): + # names is a list of strings. + start = names.index('<') + end = len(names) - 1 + while end > 0: + if names[end] == '>': + break + end -= 1 + return start, end+1 + +class AstBuilder(object): + def __init__(self, token_stream, filename, in_class='', visibility=None, + namespace_stack=[]): + self.tokens = token_stream + self.filename = filename + # TODO(nnorwitz): use a better data structure (deque) for the queue. + # Switching directions of the "queue" improved perf by about 25%. + # Using a deque should be even better since we access from both sides. + self.token_queue = [] + self.namespace_stack = namespace_stack[:] + self.in_class = in_class + if in_class is None: + self.in_class_name_only = None + else: + self.in_class_name_only = in_class.split('::')[-1] + self.visibility = visibility + self.in_function = False + self.current_token = None + # Keep the state whether we are currently handling a typedef or not. + self._handling_typedef = False + + self.converter = TypeConverter(self.namespace_stack) + + def HandleError(self, msg, token): + printable_queue = list(reversed(self.token_queue[-20:])) + sys.stderr.write('Got %s in %s @ %s %s\n' % + (msg, self.filename, token, printable_queue)) + + def Generate(self): + while 1: + token = self._GetNextToken() + if not token: + break + + # Get the next token. + self.current_token = token + + # Dispatch on the next token type. + if token.token_type == _INTERNAL_TOKEN: + if token.name == _NAMESPACE_POP: + self.namespace_stack.pop() + continue + + try: + result = self._GenerateOne(token) + if result is not None: + yield result + except: + self.HandleError('exception', token) + raise + + def _CreateVariable(self, pos_token, name, type_name, type_modifiers, + ref_pointer_name_seq, templated_types, value=None): + reference = '&' in ref_pointer_name_seq + pointer = '*' in ref_pointer_name_seq + array = '[' in ref_pointer_name_seq + var_type = Type(pos_token.start, pos_token.end, type_name, + templated_types, type_modifiers, + reference, pointer, array) + return VariableDeclaration(pos_token.start, pos_token.end, + name, var_type, value, self.namespace_stack) + + def _GenerateOne(self, token): + if token.token_type == tokenize.NAME: + if (keywords.IsKeyword(token.name) and + not keywords.IsBuiltinType(token.name)): + method = getattr(self, 'handle_' + token.name) + return method() + elif token.name == self.in_class_name_only: + # The token name is the same as the class, must be a ctor if + # there is a paren. Otherwise, it's the return type. + # Peek ahead to get the next token to figure out which. + next = self._GetNextToken() + self._AddBackToken(next) + if next.token_type == tokenize.SYNTAX and next.name == '(': + return self._GetMethod([token], FUNCTION_CTOR, None, True) + # Fall through--handle like any other method. + + # Handle data or function declaration/definition. + syntax = tokenize.SYNTAX + temp_tokens, last_token = \ + self._GetVarTokensUpTo(syntax, '(', ';', '{', '[') + temp_tokens.insert(0, token) + if last_token.name == '(': + # If there is an assignment before the paren, + # this is an expression, not a method. + expr = bool([e for e in temp_tokens if e.name == '=']) + if expr: + new_temp = self._GetTokensUpTo(tokenize.SYNTAX, ';') + temp_tokens.append(last_token) + temp_tokens.extend(new_temp) + last_token = tokenize.Token(tokenize.SYNTAX, ';', 0, 0) + + if last_token.name == '[': + # Handle array, this isn't a method, unless it's an operator. + # TODO(nnorwitz): keep the size somewhere. + # unused_size = self._GetTokensUpTo(tokenize.SYNTAX, ']') + temp_tokens.append(last_token) + if temp_tokens[-2].name == 'operator': + temp_tokens.append(self._GetNextToken()) + else: + temp_tokens2, last_token = \ + self._GetVarTokensUpTo(tokenize.SYNTAX, ';') + temp_tokens.extend(temp_tokens2) + + if last_token.name == ';': + # Handle data, this isn't a method. + parts = self.converter.DeclarationToParts(temp_tokens, True) + (name, type_name, templated_types, modifiers, default, + unused_other_tokens) = parts + + t0 = temp_tokens[0] + names = [t.name for t in temp_tokens] + if templated_types: + start, end = self.converter.GetTemplateIndices(names) + names = names[:start] + names[end:] + default = ''.join([t.name for t in default]) + return self._CreateVariable(t0, name, type_name, modifiers, + names, templated_types, default) + if last_token.name == '{': + self._AddBackTokens(temp_tokens[1:]) + self._AddBackToken(last_token) + method_name = temp_tokens[0].name + method = getattr(self, 'handle_' + method_name, None) + if not method: + # Must be declaring a variable. + # TODO(nnorwitz): handle the declaration. + return None + return method() + return self._GetMethod(temp_tokens, 0, None, False) + elif token.token_type == tokenize.SYNTAX: + if token.name == '~' and self.in_class: + # Must be a dtor (probably not in method body). + token = self._GetNextToken() + # self.in_class can contain A::Name, but the dtor will only + # be Name. Make sure to compare against the right value. + if (token.token_type == tokenize.NAME and + token.name == self.in_class_name_only): + return self._GetMethod([token], FUNCTION_DTOR, None, True) + # TODO(nnorwitz): handle a lot more syntax. + elif token.token_type == tokenize.PREPROCESSOR: + # TODO(nnorwitz): handle more preprocessor directives. + # token starts with a #, so remove it and strip whitespace. + name = token.name[1:].lstrip() + if name.startswith('include'): + # Remove "include". + name = name[7:].strip() + assert name + # Handle #include \<newline> "header-on-second-line.h". + if name.startswith('\\'): + name = name[1:].strip() + assert name[0] in '<"', token + assert name[-1] in '>"', token + system = name[0] == '<' + filename = name[1:-1] + return Include(token.start, token.end, filename, system) + if name.startswith('define'): + # Remove "define". + name = name[6:].strip() + assert name + value = '' + for i, c in enumerate(name): + if c.isspace(): + value = name[i:].lstrip() + name = name[:i] + break + return Define(token.start, token.end, name, value) + if name.startswith('if') and name[2:3].isspace(): + condition = name[3:].strip() + if condition.startswith('0') or condition.startswith('(0)'): + self._SkipIf0Blocks() + return None + + def _GetTokensUpTo(self, expected_token_type, expected_token): + return self._GetVarTokensUpTo(expected_token_type, expected_token)[0] + + def _GetVarTokensUpTo(self, expected_token_type, *expected_tokens): + last_token = self._GetNextToken() + tokens = [] + while (last_token.token_type != expected_token_type or + last_token.name not in expected_tokens): + tokens.append(last_token) + last_token = self._GetNextToken() + return tokens, last_token + + # TODO(nnorwitz): remove _IgnoreUpTo() it shouldn't be necesary. + def _IgnoreUpTo(self, token_type, token): + unused_tokens = self._GetTokensUpTo(token_type, token) + + def _SkipIf0Blocks(self): + count = 1 + while 1: + token = self._GetNextToken() + if token.token_type != tokenize.PREPROCESSOR: + continue + + name = token.name[1:].lstrip() + if name.startswith('endif'): + count -= 1 + if count == 0: + break + elif name.startswith('if'): + count += 1 + + def _GetMatchingChar(self, open_paren, close_paren, GetNextToken=None): + if GetNextToken is None: + GetNextToken = self._GetNextToken + # Assumes the current token is open_paren and we will consume + # and return up to the close_paren. + count = 1 + token = GetNextToken() + while 1: + if token.token_type == tokenize.SYNTAX: + if token.name == open_paren: + count += 1 + elif token.name == close_paren: + count -= 1 + if count == 0: + break + yield token + token = GetNextToken() + yield token + + def _GetParameters(self): + return self._GetMatchingChar('(', ')') + + def GetScope(self): + return self._GetMatchingChar('{', '}') + + def _GetNextToken(self): + if self.token_queue: + return self.token_queue.pop() + return next(self.tokens) + + def _AddBackToken(self, token): + if token.whence == tokenize.WHENCE_STREAM: + token.whence = tokenize.WHENCE_QUEUE + self.token_queue.insert(0, token) + else: + assert token.whence == tokenize.WHENCE_QUEUE, token + self.token_queue.append(token) + + def _AddBackTokens(self, tokens): + if tokens: + if tokens[-1].whence == tokenize.WHENCE_STREAM: + for token in tokens: + token.whence = tokenize.WHENCE_QUEUE + self.token_queue[:0] = reversed(tokens) + else: + assert tokens[-1].whence == tokenize.WHENCE_QUEUE, tokens + self.token_queue.extend(reversed(tokens)) + + def GetName(self, seq=None): + """Returns ([tokens], next_token_info).""" + GetNextToken = self._GetNextToken + if seq is not None: + it = iter(seq) + GetNextToken = lambda: next(it) + next_token = GetNextToken() + tokens = [] + last_token_was_name = False + while (next_token.token_type == tokenize.NAME or + (next_token.token_type == tokenize.SYNTAX and + next_token.name in ('::', '<'))): + # Two NAMEs in a row means the identifier should terminate. + # It's probably some sort of variable declaration. + if last_token_was_name and next_token.token_type == tokenize.NAME: + break + last_token_was_name = next_token.token_type == tokenize.NAME + tokens.append(next_token) + # Handle templated names. + if next_token.name == '<': + tokens.extend(self._GetMatchingChar('<', '>', GetNextToken)) + last_token_was_name = True + next_token = GetNextToken() + return tokens, next_token + + def GetMethod(self, modifiers, templated_types): + return_type_and_name = self._GetTokensUpTo(tokenize.SYNTAX, '(') + assert len(return_type_and_name) >= 1 + return self._GetMethod(return_type_and_name, modifiers, templated_types, + False) + + def _GetMethod(self, return_type_and_name, modifiers, templated_types, + get_paren): + template_portion = None + if get_paren: + token = self._GetNextToken() + assert token.token_type == tokenize.SYNTAX, token + if token.name == '<': + # Handle templatized dtors. + template_portion = [token] + template_portion.extend(self._GetMatchingChar('<', '>')) + token = self._GetNextToken() + assert token.token_type == tokenize.SYNTAX, token + assert token.name == '(', token + + name = return_type_and_name.pop() + # Handle templatized ctors. + if name.name == '>': + index = 1 + while return_type_and_name[index].name != '<': + index += 1 + template_portion = return_type_and_name[index:] + [name] + del return_type_and_name[index:] + name = return_type_and_name.pop() + elif name.name == ']': + rt = return_type_and_name + assert rt[-1].name == '[', return_type_and_name + assert rt[-2].name == 'operator', return_type_and_name + name_seq = return_type_and_name[-2:] + del return_type_and_name[-2:] + name = tokenize.Token(tokenize.NAME, 'operator[]', + name_seq[0].start, name.end) + # Get the open paren so _GetParameters() below works. + unused_open_paren = self._GetNextToken() + + # TODO(nnorwitz): store template_portion. + return_type = return_type_and_name + indices = name + if return_type: + indices = return_type[0] + + # Force ctor for templatized ctors. + if name.name == self.in_class and not modifiers: + modifiers |= FUNCTION_CTOR + parameters = list(self._GetParameters()) + del parameters[-1] # Remove trailing ')'. + + # Handling operator() is especially weird. + if name.name == 'operator' and not parameters: + token = self._GetNextToken() + assert token.name == '(', token + parameters = list(self._GetParameters()) + del parameters[-1] # Remove trailing ')'. + + token = self._GetNextToken() + while token.token_type == tokenize.NAME: + modifier_token = token + token = self._GetNextToken() + if modifier_token.name == 'const': + modifiers |= FUNCTION_CONST + elif modifier_token.name == '__attribute__': + # TODO(nnorwitz): handle more __attribute__ details. + modifiers |= FUNCTION_ATTRIBUTE + assert token.name == '(', token + # Consume everything between the (parens). + unused_tokens = list(self._GetMatchingChar('(', ')')) + token = self._GetNextToken() + elif modifier_token.name == 'throw': + modifiers |= FUNCTION_THROW + assert token.name == '(', token + # Consume everything between the (parens). + unused_tokens = list(self._GetMatchingChar('(', ')')) + token = self._GetNextToken() + elif modifier_token.name == modifier_token.name.upper(): + # HACK(nnorwitz): assume that all upper-case names + # are some macro we aren't expanding. + modifiers |= FUNCTION_UNKNOWN_ANNOTATION + else: + self.HandleError('unexpected token', modifier_token) + + assert token.token_type == tokenize.SYNTAX, token + # Handle ctor initializers. + if token.name == ':': + # TODO(nnorwitz): anything else to handle for initializer list? + while token.name != ';' and token.name != '{': + token = self._GetNextToken() + + # Handle pointer to functions that are really data but look + # like method declarations. + if token.name == '(': + if parameters[0].name == '*': + # name contains the return type. + name = parameters.pop() + # parameters contains the name of the data. + modifiers = [p.name for p in parameters] + # Already at the ( to open the parameter list. + function_parameters = list(self._GetMatchingChar('(', ')')) + del function_parameters[-1] # Remove trailing ')'. + # TODO(nnorwitz): store the function_parameters. + token = self._GetNextToken() + assert token.token_type == tokenize.SYNTAX, token + assert token.name == ';', token + return self._CreateVariable(indices, name.name, indices.name, + modifiers, '', None) + # At this point, we got something like: + # return_type (type::*name_)(params); + # This is a data member called name_ that is a function pointer. + # With this code: void (sq_type::*field_)(string&); + # We get: name=void return_type=[] parameters=sq_type ... field_ + # TODO(nnorwitz): is return_type always empty? + # TODO(nnorwitz): this isn't even close to being correct. + # Just put in something so we don't crash and can move on. + real_name = parameters[-1] + modifiers = [p.name for p in self._GetParameters()] + del modifiers[-1] # Remove trailing ')'. + return self._CreateVariable(indices, real_name.name, indices.name, + modifiers, '', None) + + if token.name == '{': + body = list(self.GetScope()) + del body[-1] # Remove trailing '}'. + else: + body = None + if token.name == '=': + token = self._GetNextToken() + assert token.token_type == tokenize.CONSTANT, token + assert token.name == '0', token + modifiers |= FUNCTION_PURE_VIRTUAL + token = self._GetNextToken() + + if token.name == '[': + # TODO(nnorwitz): store tokens and improve parsing. + # template <typename T, size_t N> char (&ASH(T (&seq)[N]))[N]; + tokens = list(self._GetMatchingChar('[', ']')) + token = self._GetNextToken() + + assert token.name == ';', (token, return_type_and_name, parameters) + + # Looks like we got a method, not a function. + if len(return_type) > 2 and return_type[-1].name == '::': + return_type, in_class = \ + self._GetReturnTypeAndClassName(return_type) + return Method(indices.start, indices.end, name.name, in_class, + return_type, parameters, modifiers, templated_types, + body, self.namespace_stack) + return Function(indices.start, indices.end, name.name, return_type, + parameters, modifiers, templated_types, body, + self.namespace_stack) + + def _GetReturnTypeAndClassName(self, token_seq): + # Splitting the return type from the class name in a method + # can be tricky. For example, Return::Type::Is::Hard::To::Find(). + # Where is the return type and where is the class name? + # The heuristic used is to pull the last name as the class name. + # This includes all the templated type info. + # TODO(nnorwitz): if there is only One name like in the + # example above, punt and assume the last bit is the class name. + + # Ignore a :: prefix, if exists so we can find the first real name. + i = 0 + if token_seq[0].name == '::': + i = 1 + # Ignore a :: suffix, if exists. + end = len(token_seq) - 1 + if token_seq[end-1].name == '::': + end -= 1 + + # Make a copy of the sequence so we can append a sentinel + # value. This is required for GetName will has to have some + # terminating condition beyond the last name. + seq_copy = token_seq[i:end] + seq_copy.append(tokenize.Token(tokenize.SYNTAX, '', 0, 0)) + names = [] + while i < end: + # Iterate through the sequence parsing out each name. + new_name, next = self.GetName(seq_copy[i:]) + assert new_name, 'Got empty new_name, next=%s' % next + # We got a pointer or ref. Add it to the name. + if next and next.token_type == tokenize.SYNTAX: + new_name.append(next) + names.append(new_name) + i += len(new_name) + + # Now that we have the names, it's time to undo what we did. + + # Remove the sentinel value. + names[-1].pop() + # Flatten the token sequence for the return type. + return_type = [e for seq in names[:-1] for e in seq] + # The class name is the last name. + class_name = names[-1] + return return_type, class_name + + def handle_bool(self): + pass + + def handle_char(self): + pass + + def handle_int(self): + pass + + def handle_long(self): + pass + + def handle_short(self): + pass + + def handle_double(self): + pass + + def handle_float(self): + pass + + def handle_void(self): + pass + + def handle_wchar_t(self): + pass + + def handle_unsigned(self): + pass + + def handle_signed(self): + pass + + def _GetNestedType(self, ctor): + name = None + name_tokens, token = self.GetName() + if name_tokens: + name = ''.join([t.name for t in name_tokens]) + + # Handle forward declarations. + if token.token_type == tokenize.SYNTAX and token.name == ';': + return ctor(token.start, token.end, name, None, + self.namespace_stack) + + if token.token_type == tokenize.NAME and self._handling_typedef: + self._AddBackToken(token) + return ctor(token.start, token.end, name, None, + self.namespace_stack) + + # Must be the type declaration. + fields = list(self._GetMatchingChar('{', '}')) + del fields[-1] # Remove trailing '}'. + if token.token_type == tokenize.SYNTAX and token.name == '{': + next = self._GetNextToken() + new_type = ctor(token.start, token.end, name, fields, + self.namespace_stack) + # A name means this is an anonymous type and the name + # is the variable declaration. + if next.token_type != tokenize.NAME: + return new_type + name = new_type + token = next + + # Must be variable declaration using the type prefixed with keyword. + assert token.token_type == tokenize.NAME, token + return self._CreateVariable(token, token.name, name, [], '', None) + + def handle_struct(self): + # Special case the handling typedef/aliasing of structs here. + # It would be a pain to handle in the class code. + name_tokens, var_token = self.GetName() + if name_tokens: + next_token = self._GetNextToken() + is_syntax = (var_token.token_type == tokenize.SYNTAX and + var_token.name[0] in '*&') + is_variable = (var_token.token_type == tokenize.NAME and + next_token.name == ';') + variable = var_token + if is_syntax and not is_variable: + variable = next_token + temp = self._GetNextToken() + if temp.token_type == tokenize.SYNTAX and temp.name == '(': + # Handle methods declared to return a struct. + t0 = name_tokens[0] + struct = tokenize.Token(tokenize.NAME, 'struct', + t0.start-7, t0.start-2) + type_and_name = [struct] + type_and_name.extend(name_tokens) + type_and_name.extend((var_token, next_token)) + return self._GetMethod(type_and_name, 0, None, False) + assert temp.name == ';', (temp, name_tokens, var_token) + if is_syntax or (is_variable and not self._handling_typedef): + modifiers = ['struct'] + type_name = ''.join([t.name for t in name_tokens]) + position = name_tokens[0] + return self._CreateVariable(position, variable.name, type_name, + modifiers, var_token.name, None) + name_tokens.extend((var_token, next_token)) + self._AddBackTokens(name_tokens) + else: + self._AddBackToken(var_token) + return self._GetClass(Struct, VISIBILITY_PUBLIC, None) + + def handle_union(self): + return self._GetNestedType(Union) + + def handle_enum(self): + return self._GetNestedType(Enum) + + def handle_auto(self): + # TODO(nnorwitz): warn about using auto? Probably not since it + # will be reclaimed and useful for C++0x. + pass + + def handle_register(self): + pass + + def handle_const(self): + pass + + def handle_inline(self): + pass + + def handle_extern(self): + pass + + def handle_static(self): + pass + + def handle_virtual(self): + # What follows must be a method. + token = token2 = self._GetNextToken() + if token.name == 'inline': + # HACK(nnorwitz): handle inline dtors by ignoring 'inline'. + token2 = self._GetNextToken() + if token2.token_type == tokenize.SYNTAX and token2.name == '~': + return self.GetMethod(FUNCTION_VIRTUAL + FUNCTION_DTOR, None) + assert token.token_type == tokenize.NAME or token.name == '::', token + return_type_and_name = self._GetTokensUpTo(tokenize.SYNTAX, '(') + return_type_and_name.insert(0, token) + if token2 is not token: + return_type_and_name.insert(1, token2) + return self._GetMethod(return_type_and_name, FUNCTION_VIRTUAL, + None, False) + + def handle_volatile(self): + pass + + def handle_mutable(self): + pass + + def handle_public(self): + assert self.in_class + self.visibility = VISIBILITY_PUBLIC + + def handle_protected(self): + assert self.in_class + self.visibility = VISIBILITY_PROTECTED + + def handle_private(self): + assert self.in_class + self.visibility = VISIBILITY_PRIVATE + + def handle_friend(self): + tokens = self._GetTokensUpTo(tokenize.SYNTAX, ';') + assert tokens + t0 = tokens[0] + return Friend(t0.start, t0.end, tokens, self.namespace_stack) + + def handle_static_cast(self): + pass + + def handle_const_cast(self): + pass + + def handle_dynamic_cast(self): + pass + + def handle_reinterpret_cast(self): + pass + + def handle_new(self): + pass + + def handle_delete(self): + tokens = self._GetTokensUpTo(tokenize.SYNTAX, ';') + assert tokens + return Delete(tokens[0].start, tokens[0].end, tokens) + + def handle_typedef(self): + token = self._GetNextToken() + if (token.token_type == tokenize.NAME and + keywords.IsKeyword(token.name)): + # Token must be struct/enum/union/class. + method = getattr(self, 'handle_' + token.name) + self._handling_typedef = True + tokens = [method()] + self._handling_typedef = False + else: + tokens = [token] + + # Get the remainder of the typedef up to the semi-colon. + tokens.extend(self._GetTokensUpTo(tokenize.SYNTAX, ';')) + + # TODO(nnorwitz): clean all this up. + assert tokens + name = tokens.pop() + indices = name + if tokens: + indices = tokens[0] + if not indices: + indices = token + if name.name == ')': + # HACK(nnorwitz): Handle pointers to functions "properly". + if (len(tokens) >= 4 and + tokens[1].name == '(' and tokens[2].name == '*'): + tokens.append(name) + name = tokens[3] + elif name.name == ']': + # HACK(nnorwitz): Handle arrays properly. + if len(tokens) >= 2: + tokens.append(name) + name = tokens[1] + new_type = tokens + if tokens and isinstance(tokens[0], tokenize.Token): + new_type = self.converter.ToType(tokens)[0] + return Typedef(indices.start, indices.end, name.name, + new_type, self.namespace_stack) + + def handle_typeid(self): + pass # Not needed yet. + + def handle_typename(self): + pass # Not needed yet. + + def _GetTemplatedTypes(self): + result = {} + tokens = list(self._GetMatchingChar('<', '>')) + len_tokens = len(tokens) - 1 # Ignore trailing '>'. + i = 0 + while i < len_tokens: + key = tokens[i].name + i += 1 + if keywords.IsKeyword(key) or key == ',': + continue + type_name = default = None + if i < len_tokens: + i += 1 + if tokens[i-1].name == '=': + assert i < len_tokens, '%s %s' % (i, tokens) + default, unused_next_token = self.GetName(tokens[i:]) + i += len(default) + else: + if tokens[i-1].name != ',': + # We got something like: Type variable. + # Re-adjust the key (variable) and type_name (Type). + key = tokens[i-1].name + type_name = tokens[i-2] + + result[key] = (type_name, default) + return result + + def handle_template(self): + token = self._GetNextToken() + assert token.token_type == tokenize.SYNTAX, token + assert token.name == '<', token + templated_types = self._GetTemplatedTypes() + # TODO(nnorwitz): for now, just ignore the template params. + token = self._GetNextToken() + if token.token_type == tokenize.NAME: + if token.name == 'class': + return self._GetClass(Class, VISIBILITY_PRIVATE, templated_types) + elif token.name == 'struct': + return self._GetClass(Struct, VISIBILITY_PUBLIC, templated_types) + elif token.name == 'friend': + return self.handle_friend() + self._AddBackToken(token) + tokens, last = self._GetVarTokensUpTo(tokenize.SYNTAX, '(', ';') + tokens.append(last) + self._AddBackTokens(tokens) + if last.name == '(': + return self.GetMethod(FUNCTION_NONE, templated_types) + # Must be a variable definition. + return None + + def handle_true(self): + pass # Nothing to do. + + def handle_false(self): + pass # Nothing to do. + + def handle_asm(self): + pass # Not needed yet. + + def handle_class(self): + return self._GetClass(Class, VISIBILITY_PRIVATE, None) + + def _GetBases(self): + # Get base classes. + bases = [] + while 1: + token = self._GetNextToken() + assert token.token_type == tokenize.NAME, token + # TODO(nnorwitz): store kind of inheritance...maybe. + if token.name not in ('public', 'protected', 'private'): + # If inheritance type is not specified, it is private. + # Just put the token back so we can form a name. + # TODO(nnorwitz): it would be good to warn about this. + self._AddBackToken(token) + else: + # Check for virtual inheritance. + token = self._GetNextToken() + if token.name != 'virtual': + self._AddBackToken(token) + else: + # TODO(nnorwitz): store that we got virtual for this base. + pass + base, next_token = self.GetName() + bases_ast = self.converter.ToType(base) + assert len(bases_ast) == 1, bases_ast + bases.append(bases_ast[0]) + assert next_token.token_type == tokenize.SYNTAX, next_token + if next_token.name == '{': + token = next_token + break + # Support multiple inheritance. + assert next_token.name == ',', next_token + return bases, token + + def _GetClass(self, class_type, visibility, templated_types): + class_name = None + class_token = self._GetNextToken() + if class_token.token_type != tokenize.NAME: + assert class_token.token_type == tokenize.SYNTAX, class_token + token = class_token + else: + # Skip any macro (e.g. storage class specifiers) after the + # 'class' keyword. + next_token = self._GetNextToken() + if next_token.token_type == tokenize.NAME: + self._AddBackToken(next_token) + else: + self._AddBackTokens([class_token, next_token]) + name_tokens, token = self.GetName() + class_name = ''.join([t.name for t in name_tokens]) + bases = None + if token.token_type == tokenize.SYNTAX: + if token.name == ';': + # Forward declaration. + return class_type(class_token.start, class_token.end, + class_name, None, templated_types, None, + self.namespace_stack) + if token.name in '*&': + # Inline forward declaration. Could be method or data. + name_token = self._GetNextToken() + next_token = self._GetNextToken() + if next_token.name == ';': + # Handle data + modifiers = ['class'] + return self._CreateVariable(class_token, name_token.name, + class_name, + modifiers, token.name, None) + else: + # Assume this is a method. + tokens = (class_token, token, name_token, next_token) + self._AddBackTokens(tokens) + return self.GetMethod(FUNCTION_NONE, None) + if token.name == ':': + bases, token = self._GetBases() + + body = None + if token.token_type == tokenize.SYNTAX and token.name == '{': + assert token.token_type == tokenize.SYNTAX, token + assert token.name == '{', token + + ast = AstBuilder(self.GetScope(), self.filename, class_name, + visibility, self.namespace_stack) + body = list(ast.Generate()) + + if not self._handling_typedef: + token = self._GetNextToken() + if token.token_type != tokenize.NAME: + assert token.token_type == tokenize.SYNTAX, token + assert token.name == ';', token + else: + new_class = class_type(class_token.start, class_token.end, + class_name, bases, None, + body, self.namespace_stack) + + modifiers = [] + return self._CreateVariable(class_token, + token.name, new_class, + modifiers, token.name, None) + else: + if not self._handling_typedef: + self.HandleError('non-typedef token', token) + self._AddBackToken(token) + + return class_type(class_token.start, class_token.end, class_name, + bases, templated_types, body, self.namespace_stack) + + def handle_namespace(self): + token = self._GetNextToken() + # Support anonymous namespaces. + name = None + if token.token_type == tokenize.NAME: + name = token.name + token = self._GetNextToken() + self.namespace_stack.append(name) + assert token.token_type == tokenize.SYNTAX, token + # Create an internal token that denotes when the namespace is complete. + internal_token = tokenize.Token(_INTERNAL_TOKEN, _NAMESPACE_POP, + None, None) + internal_token.whence = token.whence + if token.name == '=': + # TODO(nnorwitz): handle aliasing namespaces. + name, next_token = self.GetName() + assert next_token.name == ';', next_token + self._AddBackToken(internal_token) + else: + assert token.name == '{', token + tokens = list(self.GetScope()) + # Replace the trailing } with the internal namespace pop token. + tokens[-1] = internal_token + # Handle namespace with nothing in it. + self._AddBackTokens(tokens) + return None + + def handle_using(self): + tokens = self._GetTokensUpTo(tokenize.SYNTAX, ';') + assert tokens + return Using(tokens[0].start, tokens[0].end, tokens) + + def handle_explicit(self): + assert self.in_class + # Nothing much to do. + # TODO(nnorwitz): maybe verify the method name == class name. + # This must be a ctor. + return self.GetMethod(FUNCTION_CTOR, None) + + def handle_this(self): + pass # Nothing to do. + + def handle_operator(self): + # Pull off the next token(s?) and make that part of the method name. + pass + + def handle_sizeof(self): + pass + + def handle_case(self): + pass + + def handle_switch(self): + pass + + def handle_default(self): + token = self._GetNextToken() + assert token.token_type == tokenize.SYNTAX + assert token.name == ':' + + def handle_if(self): + pass + + def handle_else(self): + pass + + def handle_return(self): + tokens = self._GetTokensUpTo(tokenize.SYNTAX, ';') + if not tokens: + return Return(self.current_token.start, self.current_token.end, None) + return Return(tokens[0].start, tokens[0].end, tokens) + + def handle_goto(self): + tokens = self._GetTokensUpTo(tokenize.SYNTAX, ';') + assert len(tokens) == 1, str(tokens) + return Goto(tokens[0].start, tokens[0].end, tokens[0].name) + + def handle_try(self): + pass # Not needed yet. + + def handle_catch(self): + pass # Not needed yet. + + def handle_throw(self): + pass # Not needed yet. + + def handle_while(self): + pass + + def handle_do(self): + pass + + def handle_for(self): + pass + + def handle_break(self): + self._IgnoreUpTo(tokenize.SYNTAX, ';') + + def handle_continue(self): + self._IgnoreUpTo(tokenize.SYNTAX, ';') + + +def BuilderFromSource(source, filename): + """Utility method that returns an AstBuilder from source code. + + Args: + source: 'C++ source code' + filename: 'file1' + + Returns: + AstBuilder + """ + return AstBuilder(tokenize.GetTokens(source), filename) + + +def PrintIndentifiers(filename, should_print): + """Prints all identifiers for a C++ source file. + + Args: + filename: 'file1' + should_print: predicate with signature: bool Function(token) + """ + source = utils.ReadFile(filename, False) + if source is None: + sys.stderr.write('Unable to find: %s\n' % filename) + return + + #print('Processing %s' % actual_filename) + builder = BuilderFromSource(source, filename) + try: + for node in builder.Generate(): + if should_print(node): + print(node.name) + except KeyboardInterrupt: + return + except: + pass + + +def PrintAllIndentifiers(filenames, should_print): + """Prints all identifiers for each C++ source file in filenames. + + Args: + filenames: ['file1', 'file2', ...] + should_print: predicate with signature: bool Function(token) + """ + for path in filenames: + PrintIndentifiers(path, should_print) + + +def main(argv): + for filename in argv[1:]: + source = utils.ReadFile(filename) + if source is None: + continue + + print('Processing %s' % filename) + builder = BuilderFromSource(source, filename) + try: + entire_ast = filter(None, builder.Generate()) + except KeyboardInterrupt: + return + except: + # Already printed a warning, print the traceback and continue. + traceback.print_exc() + else: + if utils.DEBUG: + for ast in entire_ast: + print(ast) + + +if __name__ == '__main__': + main(sys.argv) diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/gmock_class.py b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/gmock_class.py new file mode 100755 index 00000000..3c8a877d --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/gmock_class.py @@ -0,0 +1,226 @@ +#!/usr/bin/env python +# +# Copyright 2008 Google Inc. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Generate Google Mock classes from base classes. + +This program will read in a C++ source file and output the Google Mock +classes for the specified classes. If no class is specified, all +classes in the source file are emitted. + +Usage: + gmock_class.py header-file.h [ClassName]... + +Output is sent to stdout. +""" + +__author__ = 'nnorwitz@google.com (Neal Norwitz)' + + +import os +import re +import sys + +from cpp import ast +from cpp import utils + +# Preserve compatibility with Python 2.3. +try: + _dummy = set +except NameError: + import sets + set = sets.Set + +_VERSION = (1, 0, 1) # The version of this script. +# How many spaces to indent. Can set me with the INDENT environment variable. +_INDENT = 2 + + +def _GenerateMethods(output_lines, source, class_node): + function_type = ast.FUNCTION_VIRTUAL | ast.FUNCTION_PURE_VIRTUAL + ctor_or_dtor = ast.FUNCTION_CTOR | ast.FUNCTION_DTOR + indent = ' ' * _INDENT + + for node in class_node.body: + # We only care about virtual functions. + if (isinstance(node, ast.Function) and + node.modifiers & function_type and + not node.modifiers & ctor_or_dtor): + # Pick out all the elements we need from the original function. + const = '' + if node.modifiers & ast.FUNCTION_CONST: + const = 'CONST_' + return_type = 'void' + if node.return_type: + # Add modifiers like 'const'. + modifiers = '' + if node.return_type.modifiers: + modifiers = ' '.join(node.return_type.modifiers) + ' ' + return_type = modifiers + node.return_type.name + template_args = [arg.name for arg in node.return_type.templated_types] + if template_args: + return_type += '<' + ', '.join(template_args) + '>' + if len(template_args) > 1: + for line in [ + '// The following line won\'t really compile, as the return', + '// type has multiple template arguments. To fix it, use a', + '// typedef for the return type.']: + output_lines.append(indent + line) + if node.return_type.pointer: + return_type += '*' + if node.return_type.reference: + return_type += '&' + num_parameters = len(node.parameters) + if len(node.parameters) == 1: + first_param = node.parameters[0] + if source[first_param.start:first_param.end].strip() == 'void': + # We must treat T(void) as a function with no parameters. + num_parameters = 0 + tmpl = '' + if class_node.templated_types: + tmpl = '_T' + mock_method_macro = 'MOCK_%sMETHOD%d%s' % (const, num_parameters, tmpl) + + args = '' + if node.parameters: + # Due to the parser limitations, it is impossible to keep comments + # while stripping the default parameters. When defaults are + # present, we choose to strip them and comments (and produce + # compilable code). + # TODO(nnorwitz@google.com): Investigate whether it is possible to + # preserve parameter name when reconstructing parameter text from + # the AST. + if len([param for param in node.parameters if param.default]) > 0: + args = ', '.join(param.type.name for param in node.parameters) + else: + # Get the full text of the parameters from the start + # of the first parameter to the end of the last parameter. + start = node.parameters[0].start + end = node.parameters[-1].end + # Remove // comments. + args_strings = re.sub(r'//.*', '', source[start:end]) + # Condense multiple spaces and eliminate newlines putting the + # parameters together on a single line. Ensure there is a + # space in an argument which is split by a newline without + # intervening whitespace, e.g.: int\nBar + args = re.sub(' +', ' ', args_strings.replace('\n', ' ')) + + # Create the mock method definition. + output_lines.extend(['%s%s(%s,' % (indent, mock_method_macro, node.name), + '%s%s(%s));' % (indent*3, return_type, args)]) + + +def _GenerateMocks(filename, source, ast_list, desired_class_names): + processed_class_names = set() + lines = [] + for node in ast_list: + if (isinstance(node, ast.Class) and node.body and + # desired_class_names being None means that all classes are selected. + (not desired_class_names or node.name in desired_class_names)): + class_name = node.name + parent_name = class_name + processed_class_names.add(class_name) + class_node = node + # Add namespace before the class. + if class_node.namespace: + lines.extend(['namespace %s {' % n for n in class_node.namespace]) # } + lines.append('') + + # Add template args for templated classes. + if class_node.templated_types: + # TODO(paulchang): The AST doesn't preserve template argument order, + # so we have to make up names here. + # TODO(paulchang): Handle non-type template arguments (e.g. + # template<typename T, int N>). + template_arg_count = len(class_node.templated_types.keys()) + template_args = ['T%d' % n for n in range(template_arg_count)] + template_decls = ['typename ' + arg for arg in template_args] + lines.append('template <' + ', '.join(template_decls) + '>') + parent_name += '<' + ', '.join(template_args) + '>' + + # Add the class prolog. + lines.append('class Mock%s : public %s {' # } + % (class_name, parent_name)) + lines.append('%spublic:' % (' ' * (_INDENT // 2))) + + # Add all the methods. + _GenerateMethods(lines, source, class_node) + + # Close the class. + if lines: + # If there are no virtual methods, no need for a public label. + if len(lines) == 2: + del lines[-1] + + # Only close the class if there really is a class. + lines.append('};') + lines.append('') # Add an extra newline. + + # Close the namespace. + if class_node.namespace: + for i in range(len(class_node.namespace)-1, -1, -1): + lines.append('} // namespace %s' % class_node.namespace[i]) + lines.append('') # Add an extra newline. + + if desired_class_names: + missing_class_name_list = list(desired_class_names - processed_class_names) + if missing_class_name_list: + missing_class_name_list.sort() + sys.stderr.write('Class(es) not found in %s: %s\n' % + (filename, ', '.join(missing_class_name_list))) + elif not processed_class_names: + sys.stderr.write('No class found in %s\n' % filename) + + return lines + + +def main(argv=sys.argv): + if len(argv) < 2: + sys.stderr.write('Google Mock Class Generator v%s\n\n' % + '.'.join(map(str, _VERSION))) + sys.stderr.write(__doc__) + return 1 + + global _INDENT + try: + _INDENT = int(os.environ['INDENT']) + except KeyError: + pass + except: + sys.stderr.write('Unable to use indent of %s\n' % os.environ.get('INDENT')) + + filename = argv[1] + desired_class_names = None # None means all classes in the source file. + if len(argv) >= 3: + desired_class_names = set(argv[2:]) + source = utils.ReadFile(filename) + if source is None: + return 1 + + builder = ast.BuilderFromSource(source, filename) + try: + entire_ast = filter(None, builder.Generate()) + except KeyboardInterrupt: + return + except: + # An error message was already printed since we couldn't parse. + pass + else: + lines = _GenerateMocks(filename, source, entire_ast, desired_class_names) + sys.stdout.write('\n'.join(lines)) + + +if __name__ == '__main__': + main(sys.argv) diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/keywords.py b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/keywords.py new file mode 100755 index 00000000..f694450e --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/keywords.py @@ -0,0 +1,59 @@ +#!/usr/bin/env python +# +# Copyright 2007 Neal Norwitz +# Portions Copyright 2007 Google Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""C++ keywords and helper utilities for determining keywords.""" + +__author__ = 'nnorwitz@google.com (Neal Norwitz)' + + +try: + # Python 3.x + import builtins +except ImportError: + # Python 2.x + import __builtin__ as builtins + + +if not hasattr(builtins, 'set'): + # Nominal support for Python 2.3. + from sets import Set as set + + +TYPES = set('bool char int long short double float void wchar_t unsigned signed'.split()) +TYPE_MODIFIERS = set('auto register const inline extern static virtual volatile mutable'.split()) +ACCESS = set('public protected private friend'.split()) + +CASTS = set('static_cast const_cast dynamic_cast reinterpret_cast'.split()) + +OTHERS = set('true false asm class namespace using explicit this operator sizeof'.split()) +OTHER_TYPES = set('new delete typedef struct union enum typeid typename template'.split()) + +CONTROL = set('case switch default if else return goto'.split()) +EXCEPTION = set('try catch throw'.split()) +LOOP = set('while do for break continue'.split()) + +ALL = TYPES | TYPE_MODIFIERS | ACCESS | CASTS | OTHERS | OTHER_TYPES | CONTROL | EXCEPTION | LOOP + + +def IsKeyword(token): + return token in ALL + +def IsBuiltinType(token): + if token in ('virtual', 'inline'): + # These only apply to methods, they can't be types by themselves. + return False + return token in TYPES or token in TYPE_MODIFIERS diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/tokenize.py b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/tokenize.py new file mode 100755 index 00000000..28c33452 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/tokenize.py @@ -0,0 +1,287 @@ +#!/usr/bin/env python +# +# Copyright 2007 Neal Norwitz +# Portions Copyright 2007 Google Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Tokenize C++ source code.""" + +__author__ = 'nnorwitz@google.com (Neal Norwitz)' + + +try: + # Python 3.x + import builtins +except ImportError: + # Python 2.x + import __builtin__ as builtins + + +import sys + +from cpp import utils + + +if not hasattr(builtins, 'set'): + # Nominal support for Python 2.3. + from sets import Set as set + + +# Add $ as a valid identifier char since so much code uses it. +_letters = 'abcdefghijklmnopqrstuvwxyz' +VALID_IDENTIFIER_CHARS = set(_letters + _letters.upper() + '_0123456789$') +HEX_DIGITS = set('0123456789abcdefABCDEF') +INT_OR_FLOAT_DIGITS = set('01234567890eE-+') + + +# C++0x string preffixes. +_STR_PREFIXES = set(('R', 'u8', 'u8R', 'u', 'uR', 'U', 'UR', 'L', 'LR')) + + +# Token types. +UNKNOWN = 'UNKNOWN' +SYNTAX = 'SYNTAX' +CONSTANT = 'CONSTANT' +NAME = 'NAME' +PREPROCESSOR = 'PREPROCESSOR' + +# Where the token originated from. This can be used for backtracking. +# It is always set to WHENCE_STREAM in this code. +WHENCE_STREAM, WHENCE_QUEUE = range(2) + + +class Token(object): + """Data container to represent a C++ token. + + Tokens can be identifiers, syntax char(s), constants, or + pre-processor directives. + + start contains the index of the first char of the token in the source + end contains the index of the last char of the token in the source + """ + + def __init__(self, token_type, name, start, end): + self.token_type = token_type + self.name = name + self.start = start + self.end = end + self.whence = WHENCE_STREAM + + def __str__(self): + if not utils.DEBUG: + return 'Token(%r)' % self.name + return 'Token(%r, %s, %s)' % (self.name, self.start, self.end) + + __repr__ = __str__ + + +def _GetString(source, start, i): + i = source.find('"', i+1) + while source[i-1] == '\\': + # Count the trailing backslashes. + backslash_count = 1 + j = i - 2 + while source[j] == '\\': + backslash_count += 1 + j -= 1 + # When trailing backslashes are even, they escape each other. + if (backslash_count % 2) == 0: + break + i = source.find('"', i+1) + return i + 1 + + +def _GetChar(source, start, i): + # NOTE(nnorwitz): may not be quite correct, should be good enough. + i = source.find("'", i+1) + while source[i-1] == '\\': + # Need to special case '\\'. + if (i - 2) > start and source[i-2] == '\\': + break + i = source.find("'", i+1) + # Try to handle unterminated single quotes (in a #if 0 block). + if i < 0: + i = start + return i + 1 + + +def GetTokens(source): + """Returns a sequence of Tokens. + + Args: + source: string of C++ source code. + + Yields: + Token that represents the next token in the source. + """ + # Cache various valid character sets for speed. + valid_identifier_chars = VALID_IDENTIFIER_CHARS + hex_digits = HEX_DIGITS + int_or_float_digits = INT_OR_FLOAT_DIGITS + int_or_float_digits2 = int_or_float_digits | set('.') + + # Only ignore errors while in a #if 0 block. + ignore_errors = False + count_ifs = 0 + + i = 0 + end = len(source) + while i < end: + # Skip whitespace. + while i < end and source[i].isspace(): + i += 1 + if i >= end: + return + + token_type = UNKNOWN + start = i + c = source[i] + if c.isalpha() or c == '_': # Find a string token. + token_type = NAME + while source[i] in valid_identifier_chars: + i += 1 + # String and character constants can look like a name if + # they are something like L"". + if (source[i] == "'" and (i - start) == 1 and + source[start:i] in 'uUL'): + # u, U, and L are valid C++0x character preffixes. + token_type = CONSTANT + i = _GetChar(source, start, i) + elif source[i] == "'" and source[start:i] in _STR_PREFIXES: + token_type = CONSTANT + i = _GetString(source, start, i) + elif c == '/' and source[i+1] == '/': # Find // comments. + i = source.find('\n', i) + if i == -1: # Handle EOF. + i = end + continue + elif c == '/' and source[i+1] == '*': # Find /* comments. */ + i = source.find('*/', i) + 2 + continue + elif c in ':+-<>&|*=': # : or :: (plus other chars). + token_type = SYNTAX + i += 1 + new_ch = source[i] + if new_ch == c: + i += 1 + elif c == '-' and new_ch == '>': + i += 1 + elif new_ch == '=': + i += 1 + elif c in '()[]{}~!?^%;/.,': # Handle single char tokens. + token_type = SYNTAX + i += 1 + if c == '.' and source[i].isdigit(): + token_type = CONSTANT + i += 1 + while source[i] in int_or_float_digits: + i += 1 + # Handle float suffixes. + for suffix in ('l', 'f'): + if suffix == source[i:i+1].lower(): + i += 1 + break + elif c.isdigit(): # Find integer. + token_type = CONSTANT + if c == '0' and source[i+1] in 'xX': + # Handle hex digits. + i += 2 + while source[i] in hex_digits: + i += 1 + else: + while source[i] in int_or_float_digits2: + i += 1 + # Handle integer (and float) suffixes. + for suffix in ('ull', 'll', 'ul', 'l', 'f', 'u'): + size = len(suffix) + if suffix == source[i:i+size].lower(): + i += size + break + elif c == '"': # Find string. + token_type = CONSTANT + i = _GetString(source, start, i) + elif c == "'": # Find char. + token_type = CONSTANT + i = _GetChar(source, start, i) + elif c == '#': # Find pre-processor command. + token_type = PREPROCESSOR + got_if = source[i:i+3] == '#if' and source[i+3:i+4].isspace() + if got_if: + count_ifs += 1 + elif source[i:i+6] == '#endif': + count_ifs -= 1 + if count_ifs == 0: + ignore_errors = False + + # TODO(nnorwitz): handle preprocessor statements (\ continuations). + while 1: + i1 = source.find('\n', i) + i2 = source.find('//', i) + i3 = source.find('/*', i) + i4 = source.find('"', i) + # NOTE(nnorwitz): doesn't handle comments in #define macros. + # Get the first important symbol (newline, comment, EOF/end). + i = min([x for x in (i1, i2, i3, i4, end) if x != -1]) + + # Handle #include "dir//foo.h" properly. + if source[i] == '"': + i = source.find('"', i+1) + 1 + assert i > 0 + continue + # Keep going if end of the line and the line ends with \. + if not (i == i1 and source[i-1] == '\\'): + if got_if: + condition = source[start+4:i].lstrip() + if (condition.startswith('0') or + condition.startswith('(0)')): + ignore_errors = True + break + i += 1 + elif c == '\\': # Handle \ in code. + # This is different from the pre-processor \ handling. + i += 1 + continue + elif ignore_errors: + # The tokenizer seems to be in pretty good shape. This + # raise is conditionally disabled so that bogus code + # in an #if 0 block can be handled. Since we will ignore + # it anyways, this is probably fine. So disable the + # exception and return the bogus char. + i += 1 + else: + sys.stderr.write('Got invalid token in %s @ %d token:%s: %r\n' % + ('?', i, c, source[i-10:i+10])) + raise RuntimeError('unexpected token') + + if i <= 0: + print('Invalid index, exiting now.') + return + yield Token(token_type, source[start:i], start, i) + + +if __name__ == '__main__': + def main(argv): + """Driver mostly for testing purposes.""" + for filename in argv[1:]: + source = utils.ReadFile(filename) + if source is None: + continue + + for token in GetTokens(source): + print('%-12s: %s' % (token.token_type, token.name)) + # print('\r%6.2f%%' % (100.0 * index / token.end),) + sys.stdout.write('\n') + + + main(sys.argv) diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/utils.py b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/utils.py new file mode 100755 index 00000000..eab36eec --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/cpp/utils.py @@ -0,0 +1,41 @@ +#!/usr/bin/env python +# +# Copyright 2007 Neal Norwitz +# Portions Copyright 2007 Google Inc. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Generic utilities for C++ parsing.""" + +__author__ = 'nnorwitz@google.com (Neal Norwitz)' + + +import sys + + +# Set to True to see the start/end token indices. +DEBUG = True + + +def ReadFile(filename, print_error=True): + """Returns the contents of a file.""" + try: + fp = open(filename) + try: + return fp.read() + finally: + fp.close() + except IOError: + if print_error: + print('Error reading %s: %s' % (filename, sys.exc_info()[1])) + return None diff --git a/src/c-ares/test/gmock-1.7.0/scripts/generator/gmock_gen.py b/src/c-ares/test/gmock-1.7.0/scripts/generator/gmock_gen.py new file mode 100755 index 00000000..8cc0d135 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/generator/gmock_gen.py @@ -0,0 +1,31 @@ +#!/usr/bin/env python +# +# Copyright 2008 Google Inc. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +"""Driver for starting up Google Mock class generator.""" + +__author__ = 'nnorwitz@google.com (Neal Norwitz)' + +import os +import sys + +if __name__ == '__main__': + # Add the directory of this script to the path so we can import gmock_class. + sys.path.append(os.path.dirname(__file__)) + + from cpp import gmock_class + # Fix the docstring in case they require the usage. + gmock_class.__doc__ = gmock_class.__doc__.replace('gmock_class.py', __file__) + gmock_class.main() diff --git a/src/c-ares/test/gmock-1.7.0/scripts/gmock-config.in b/src/c-ares/test/gmock-1.7.0/scripts/gmock-config.in new file mode 100755 index 00000000..2baefe94 --- /dev/null +++ b/src/c-ares/test/gmock-1.7.0/scripts/gmock-config.in @@ -0,0 +1,303 @@ +#!/bin/sh + +# These variables are automatically filled in by the configure script. +name="@PACKAGE_TARNAME@" +version="@PACKAGE_VERSION@" + +show_usage() +{ + echo "Usage: gmock-config [OPTIONS...]" +} + +show_help() +{ + show_usage + cat <<\EOF + +The `gmock-config' script provides access to the necessary compile and linking +flags to connect with Google C++ Mocking Framework, both in a build prior to +installation, and on the system proper after installation. The installation +overrides may be issued in combination with any other queries, but will only +affect installation queries if called on a built but not installed gmock. The +installation queries may not be issued with any other types of queries, and +only one installation query may be made at a time. The version queries and +compiler flag queries may be combined as desired but not mixed. Different +version queries are always combined with logical "and" semantics, and only the +last of any particular query is used while all previous ones ignored. All +versions must be specified as a sequence of numbers separated by periods. +Compiler flag queries output the union of the sets of flags when combined. + + Examples: + gmock-config --min-version=1.0 || echo "Insufficient Google Mock version." + + g++ $(gmock-config --cppflags --cxxflags) -o foo.o -c foo.cpp + g++ $(gmock-config --ldflags --libs) -o foo foo.o + + # When using a built but not installed Google Mock: + g++ $(../../my_gmock_build/scripts/gmock-config ...) ... + + # When using an installed Google Mock, but with installation overrides: + export GMOCK_PREFIX="/opt" + g++ $(gmock-config --libdir="/opt/lib64" ...) ... + + Help: + --usage brief usage information + --help display this help message + + Installation Overrides: + --prefix=<dir> overrides the installation prefix + --exec-prefix=<dir> overrides the executable installation prefix + --libdir=<dir> overrides the library installation prefix + --includedir=<dir> overrides the header file installation prefix + + Installation Queries: + --prefix installation prefix + --exec-prefix executable installation prefix + --libdir library installation directory + --includedir header file installation directory + --version the version of the Google Mock installation + + Version Queries: + --min-version=VERSION return 0 if the version is at least VERSION + --exact-version=VERSION return 0 if the version is exactly VERSION + --max-version=VERSION return 0 if the version is at most VERSION + + Compilation Flag Queries: + --cppflags compile flags specific to the C-like preprocessors + --cxxflags compile flags appropriate for C++ programs + --ldflags linker flags + --libs libraries for linking + +EOF +} + +# This function bounds our version with a min and a max. It uses some clever +# POSIX-compliant variable expansion to portably do all the work in the shell +# and avoid any dependency on a particular "sed" or "awk" implementation. +# Notable is that it will only ever compare the first 3 components of versions. +# Further components will be cleanly stripped off. All versions must be +# unadorned, so "v1.0" will *not* work. The minimum version must be in $1, and +# the max in $2. TODO(chandlerc@google.com): If this ever breaks, we should +# investigate expanding this via autom4te from AS_VERSION_COMPARE rather than +# continuing to maintain our own shell version. +check_versions() +{ + major_version=${version%%.*} + minor_version="0" + point_version="0" + if test "${version#*.}" != "${version}"; then + minor_version=${version#*.} + minor_version=${minor_version%%.*} + fi + if test "${version#*.*.}" != "${version}"; then + point_version=${version#*.*.} + point_version=${point_version%%.*} + fi + + min_version="$1" + min_major_version=${min_version%%.*} + min_minor_version="0" + min_point_version="0" + if test "${min_version#*.}" != "${min_version}"; then + min_minor_version=${min_version#*.} + min_minor_version=${min_minor_version%%.*} + fi + if test "${min_version#*.*.}" != "${min_version}"; then + min_point_version=${min_version#*.*.} + min_point_version=${min_point_version%%.*} + fi + + max_version="$2" + max_major_version=${max_version%%.*} + max_minor_version="0" + max_point_version="0" + if test "${max_version#*.}" != "${max_version}"; then + max_minor_version=${max_version#*.} + max_minor_version=${max_minor_version%%.*} + fi + if test "${max_version#*.*.}" != "${max_version}"; then + max_point_version=${max_version#*.*.} + max_point_version=${max_point_version%%.*} + fi + + test $(($major_version)) -lt $(($min_major_version)) && exit 1 + if test $(($major_version)) -eq $(($min_major_version)); then + test $(($minor_version)) -lt $(($min_minor_version)) && exit 1 + if test $(($minor_version)) -eq $(($min_minor_version)); then + test $(($point_version)) -lt $(($min_point_version)) && exit 1 + fi + fi + + test $(($major_version)) -gt $(($max_major_version)) && exit 1 + if test $(($major_version)) -eq $(($max_major_version)); then + test $(($minor_version)) -gt $(($max_minor_version)) && exit 1 + if test $(($minor_version)) -eq $(($max_minor_version)); then + test $(($point_version)) -gt $(($max_point_version)) && exit 1 + fi + fi + + exit 0 +} + +# Show the usage line when no arguments are specified. +if test $# -eq 0; then + show_usage + exit 1 +fi + +while test $# -gt 0; do + case $1 in + --usage) show_usage; exit 0;; + --help) show_help; exit 0;; + + # Installation overrides + --prefix=*) GMOCK_PREFIX=${1#--prefix=};; + --exec-prefix=*) GMOCK_EXEC_PREFIX=${1#--exec-prefix=};; + --libdir=*) GMOCK_LIBDIR=${1#--libdir=};; + --includedir=*) GMOCK_INCLUDEDIR=${1#--includedir=};; + + # Installation queries + --prefix|--exec-prefix|--libdir|--includedir|--version) + if test -n "${do_query}"; then + show_usage + exit 1 + fi + do_query=${1#--} + ;; + + # Version checking + --min-version=*) + do_check_versions=yes + min_version=${1#--min-version=} + ;; + --max-version=*) + do_check_versions=yes + max_version=${1#--max-version=} + ;; + --exact-version=*) + do_check_versions=yes + exact_version=${1#--exact-version=} + ;; + + # Compiler flag output + --cppflags) echo_cppflags=yes;; + --cxxflags) echo_cxxflags=yes;; + --ldflags) echo_ldflags=yes;; + --libs) echo_libs=yes;; + + # Everything else is an error + *) show_usage; exit 1;; + esac + shift +done + +# These have defaults filled in by the configure script but can also be +# overridden by environment variables or command line parameters. +prefix="${GMOCK_PREFIX:-@prefix@}" +exec_prefix="${GMOCK_EXEC_PREFIX:-@exec_prefix@}" +libdir="${GMOCK_LIBDIR:-@libdir@}" +includedir="${GMOCK_INCLUDEDIR:-@includedir@}" + +# We try and detect if our binary is not located at its installed location. If +# it's not, we provide variables pointing to the source and build tree rather +# than to the install tree. We also locate Google Test using the configured +# gtest-config script rather than searching the PATH and our bindir for one. +# This allows building against a just-built gmock rather than an installed +# gmock. +bindir="@bindir@" +this_relative_bindir=`dirname $0` +this_bindir=`cd ${this_relative_bindir}; pwd -P` +if test "${this_bindir}" = "${this_bindir%${bindir}}"; then + # The path to the script doesn't end in the bindir sequence from Autoconf, + # assume that we are in a build tree. + build_dir=`dirname ${this_bindir}` + src_dir=`cd ${this_bindir}/@top_srcdir@; pwd -P` + + # TODO(chandlerc@google.com): This is a dangerous dependency on libtool, we + # should work to remove it, and/or remove libtool altogether, replacing it + # with direct references to the library and a link path. + gmock_libs="${build_dir}/lib/libgmock.la" + gmock_ldflags="" + + # We provide hooks to include from either the source or build dir, where the + # build dir is always preferred. This will potentially allow us to write + # build rules for generated headers and have them automatically be preferred + # over provided versions. + gmock_cppflags="-I${build_dir}/include -I${src_dir}/include" + gmock_cxxflags="" + + # Directly invoke the gtest-config script used during the build process. + gtest_config="@GTEST_CONFIG@" +else + # We're using an installed gmock, although it may be staged under some + # prefix. Assume (as our own libraries do) that we can resolve the prefix, + # and are present in the dynamic link paths. + gmock_ldflags="-L${libdir}" + gmock_libs="-l${name}" + gmock_cppflags="-I${includedir}" + gmock_cxxflags="" + + # We also prefer any gtest-config script installed in our prefix. Lacking + # one, we look in the PATH for one. + gtest_config="${bindir}/gtest-config" + if test ! -x "${gtest_config}"; then + gtest_config=`which gtest-config` + fi +fi + +# Ensure that we have located a Google Test to link against. +if ! test -x "${gtest_config}"; then + echo "Unable to locate Google Test, check your Google Mock configuration" \ + "and installation" >&2 + exit 1 +elif ! "${gtest_config}" "--exact-version=@GTEST_VERSION@"; then + echo "The Google Test found is not the same version as Google Mock was " \ + "built against" >&2 + exit 1 +fi + +# Add the necessary Google Test bits into the various flag variables +gmock_cppflags="${gmock_cppflags} `${gtest_config} --cppflags`" +gmock_cxxflags="${gmock_cxxflags} `${gtest_config} --cxxflags`" +gmock_ldflags="${gmock_ldflags} `${gtest_config} --ldflags`" +gmock_libs="${gmock_libs} `${gtest_config} --libs`" + +# Do an installation query if requested. +if test -n "$do_query"; then + case $do_query in + prefix) echo $prefix; exit 0;; + exec-prefix) echo $exec_prefix; exit 0;; + libdir) echo $libdir; exit 0;; + includedir) echo $includedir; exit 0;; + version) echo $version; exit 0;; + *) show_usage; exit 1;; + esac +fi + +# Do a version check if requested. +if test "$do_check_versions" = "yes"; then + # Make sure we didn't receive a bad combination of parameters. + test "$echo_cppflags" = "yes" && show_usage && exit 1 + test "$echo_cxxflags" = "yes" && show_usage && exit 1 + test "$echo_ldflags" = "yes" && show_usage && exit 1 + test "$echo_libs" = "yes" && show_usage && exit 1 + + if test "$exact_version" != ""; then + check_versions $exact_version $exact_version + # unreachable + else + check_versions ${min_version:-0.0.0} ${max_version:-9999.9999.9999} + # unreachable + fi +fi + +# Do the output in the correct order so that these can be used in-line of +# a compiler invocation. +output="" +test "$echo_cppflags" = "yes" && output="$output $gmock_cppflags" +test "$echo_cxxflags" = "yes" && output="$output $gmock_cxxflags" +test "$echo_ldflags" = "yes" && output="$output $gmock_ldflags" +test "$echo_libs" = "yes" && output="$output $gmock_libs" +echo $output + +exit 0 |