1 // Copyright 2011 Google Inc. All Rights Reserved.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
16 #include <direct.h> // Has to be before util.h is included.
30 #include "build_log.h"
32 #include "manifest_parser.h"
39 /// mingw has no mktemp. Implement one with the same type as the one
40 /// found in the Windows API.
41 int _mktemp_s(char* templ) {
42 char* ofs = strchr(templ, 'X');
43 sprintf(ofs, "%d", rand() % 1000000);
48 /// Windows has no mkdtemp. Implement it in terms of _mktemp_s.
49 char* mkdtemp(char* name_template) {
50 int err = _mktemp_s(name_template);
56 err = _mkdir(name_template);
66 string GetSystemTempDir() {
69 if (!GetTempPath(sizeof(buf), buf))
73 const char* tempdir = getenv("TMPDIR");
80 } // anonymous namespace
82 StateTestWithBuiltinRules::StateTestWithBuiltinRules() {
86 void StateTestWithBuiltinRules::AddCatRule(State* state) {
89 " command = cat $in > $out\n");
92 Node* StateTestWithBuiltinRules::GetNode(const string& path) {
93 EXPECT_FALSE(strpbrk(path.c_str(), "/\\"));
94 return state_.GetNode(path, 0);
97 void AssertParse(State* state, const char* input) {
98 ManifestParser parser(state, NULL, kDupeEdgeActionWarn);
100 EXPECT_TRUE(parser.ParseTest(input, &err));
105 void AssertHash(const char* expected, uint64_t actual) {
106 ASSERT_EQ(BuildLog::LogEntry::HashCommand(expected), actual);
109 void VerifyGraph(const State& state) {
110 for (vector<Edge*>::const_iterator e = state.edges_.begin();
111 e != state.edges_.end(); ++e) {
112 // All edges need at least one output.
113 EXPECT_FALSE((*e)->outputs_.empty());
114 // Check that the edge's inputs have the edge as out-edge.
115 for (vector<Node*>::const_iterator in_node = (*e)->inputs_.begin();
116 in_node != (*e)->inputs_.end(); ++in_node) {
117 const vector<Edge*>& out_edges = (*in_node)->out_edges();
118 EXPECT_NE(find(out_edges.begin(), out_edges.end(), *e),
121 // Check that the edge's outputs have the edge as in-edge.
122 for (vector<Node*>::const_iterator out_node = (*e)->outputs_.begin();
123 out_node != (*e)->outputs_.end(); ++out_node) {
124 EXPECT_EQ((*out_node)->in_edge(), *e);
128 // The union of all in- and out-edges of each nodes should be exactly edges_.
129 set<const Edge*> node_edge_set;
130 for (State::Paths::const_iterator p = state.paths_.begin();
131 p != state.paths_.end(); ++p) {
132 const Node* n = p->second;
134 node_edge_set.insert(n->in_edge());
135 node_edge_set.insert(n->out_edges().begin(), n->out_edges().end());
137 set<const Edge*> edge_set(state.edges_.begin(), state.edges_.end());
138 EXPECT_EQ(node_edge_set, edge_set);
141 void VirtualFileSystem::Create(const string& path,
142 const string& contents) {
143 files_[path].mtime = now_;
144 files_[path].contents = contents;
145 files_created_.insert(path);
148 TimeStamp VirtualFileSystem::Stat(const string& path, string* err) const {
149 FileMap::const_iterator i = files_.find(path);
150 if (i != files_.end()) {
151 *err = i->second.stat_error;
152 return i->second.mtime;
157 bool VirtualFileSystem::WriteFile(const string& path, const string& contents) {
158 Create(path, contents);
162 bool VirtualFileSystem::MakeDir(const string& path) {
163 directories_made_.push_back(path);
164 return true; // success
167 FileReader::Status VirtualFileSystem::ReadFile(const string& path,
170 files_read_.push_back(path);
171 FileMap::iterator i = files_.find(path);
172 if (i != files_.end()) {
173 *contents = i->second.contents;
176 *err = strerror(ENOENT);
180 int VirtualFileSystem::RemoveFile(const string& path) {
181 if (find(directories_made_.begin(), directories_made_.end(), path)
182 != directories_made_.end())
184 FileMap::iterator i = files_.find(path);
185 if (i != files_.end()) {
187 files_removed_.insert(path);
194 void ScopedTempDir::CreateAndEnter(const string& name) {
195 // First change into the system temp dir and save it for cleanup.
196 start_dir_ = GetSystemTempDir();
197 if (start_dir_.empty())
198 Fatal("couldn't get system temp dir");
199 if (chdir(start_dir_.c_str()) < 0)
200 Fatal("chdir: %s", strerror(errno));
202 // Create a temporary subdirectory of that.
203 char name_template[1024];
204 strcpy(name_template, name.c_str());
205 strcat(name_template, "-XXXXXX");
206 char* tempname = mkdtemp(name_template);
208 Fatal("mkdtemp: %s", strerror(errno));
209 temp_dir_name_ = tempname;
211 // chdir into the new temporary directory.
212 if (chdir(temp_dir_name_.c_str()) < 0)
213 Fatal("chdir: %s", strerror(errno));
216 void ScopedTempDir::Cleanup() {
217 if (temp_dir_name_.empty())
218 return; // Something went wrong earlier.
220 // Move out of the directory we're about to clobber.
221 if (chdir(start_dir_.c_str()) < 0)
222 Fatal("chdir: %s", strerror(errno));
225 string command = "rmdir /s /q " + temp_dir_name_;
227 string command = "rm -rf " + temp_dir_name_;
229 if (system(command.c_str()) < 0)
230 Fatal("system: %s", strerror(errno));
232 temp_dir_name_.clear();