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author | Evan Martin <martine@danga.com> | 2011-03-05 21:43:02 (GMT) |
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committer | Evan Martin <martine@danga.com> | 2011-03-05 21:43:02 (GMT) |
commit | 80fda9821765d2139a080a527ab66fcb9e272722 (patch) | |
tree | 978b48313aa178e28c3ff59dc777c5aca64f1e47 /src/browse.cc | |
parent | ad118104f0892e53a5bdabaf1ffdcd597bf1b476 (diff) | |
download | Ninja-80fda9821765d2139a080a527ab66fcb9e272722.zip Ninja-80fda9821765d2139a080a527ab66fcb9e272722.tar.gz Ninja-80fda9821765d2139a080a527ab66fcb9e272722.tar.bz2 |
factor browse out into its own file
Diffstat (limited to 'src/browse.cc')
-rw-r--r-- | src/browse.cc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/browse.cc b/src/browse.cc new file mode 100644 index 0000000..4507e0d --- /dev/null +++ b/src/browse.cc @@ -0,0 +1,53 @@ +// Copyright 2011 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. + +#include "browse.h" + +#include <stdio.h> + +#include "ninja.h" + +// Import browse.py as binary data. +asm( +".data\n" +"browse_data_begin:\n" +".incbin \"src/browse.py\"\n" +"browse_data_end:\n" +); +// Declare the symbols defined above. +extern const char browse_data_begin[]; +extern const char browse_data_end[]; + +void RunBrowsePython(State* state, const char* ninja_command) { + // Create a temporary file, dump the Python code into it, and + // delete the file, keeping our open handle to it. + char tmpl[] = "browsepy-XXXXXX"; + int fd = mkstemp(tmpl); + unlink(tmpl); + const int browse_data_len = browse_data_end - browse_data_begin; + int len = write(fd, browse_data_begin, browse_data_len); + if (len < browse_data_len) { + perror("write"); + return; + } + + // exec Python, telling it to use our script file. + const char* command[] = { + "python", "/proc/self/fd/3", ninja_command, NULL + }; + execvp(command[0], (char**)command); + + // If we get here, the exec failed. + printf("ERROR: Failed to spawn python for graph browsing, aborting.\n"); +} |