Index: testing/gmock/scripts/generator/cpp/gmock_class.py |
diff --git a/testing/gmock/scripts/generator/cpp/gmock_class.py b/testing/gmock/scripts/generator/cpp/gmock_class.py |
new file mode 100755 |
index 0000000000000000000000000000000000000000..2920424758f61d83b624e906e68345baaa4a364f |
--- /dev/null |
+++ b/testing/gmock/scripts/generator/cpp/gmock_class.py |
@@ -0,0 +1,171 @@ |
+#!/usr/bin/env python |
+# |
+# Copyright 2008 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 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 sets |
+import sys |
+ |
+from cpp import ast |
+from cpp import utils |
+ |
+_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 |
+ |
+ 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 |
+ if node.return_type.pointer: |
+ return_type += '*' |
+ if node.return_type.reference: |
+ return_type += '&' |
+ prefix = 'MOCK_%sMETHOD%d' % (const, len(node.parameters)) |
+ args = '' |
+ if node.parameters: |
+ # 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 |
+ args = re.sub(' +', ' ', source[start:end].replace('\n', '')) |
+ |
+ # Create the prototype. |
+ indent = ' ' * _INDENT |
+ line = ('%s%s(%s,\n%s%s(%s));' % |
+ (indent, prefix, node.name, indent*3, return_type, args)) |
+ output_lines.append(line) |
+ |
+ |
+def _GenerateMocks(filename, source, ast_list, desired_class_names): |
+ processed_class_names = sets.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 |
+ 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 the class prolog. |
+ lines.append('class Mock%s : public %s {' % (class_name, class_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. |
+ |
+ sys.stdout.write('\n'.join(lines)) |
+ |
+ 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) |
+ |
+ |
+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 = sets.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: |
+ _GenerateMocks(filename, source, entire_ast, desired_class_names) |
+ |
+ |
+if __name__ == '__main__': |
+ main(sys.argv) |