diff options
-rw-r--r-- | manual.asciidoc | 4 | ||||
-rw-r--r-- | src/ninja.cc | 19 |
2 files changed, 22 insertions, 1 deletions
diff --git a/manual.asciidoc b/manual.asciidoc index 8bfc2e7..53d6416 100644 --- a/manual.asciidoc +++ b/manual.asciidoc @@ -326,6 +326,10 @@ several times. If used like this +ninja -t targets all+ it prints all the targets available without indentation and it is way faster than the _depth_ mode. It returns non-zero if an error occurs. +`rules`:: output the list of all rules with their description if they have +one. It can be used to know which rule name to pass to ++ninja -t targets rule _name_+. + Ninja file reference -------------------- diff --git a/src/ninja.cc b/src/ninja.cc index 0bd51d5..3912139 100644 --- a/src/ninja.cc +++ b/src/ninja.cc @@ -59,7 +59,8 @@ void usage(const BuildConfig& config) { " browse browse dependency graph in a web browser\n" " graph output graphviz dot file for targets\n" " query show inputs/outputs for a path\n" -" targets list targets by their rule or depth in the DAG\n", +" targets list targets by their rule or depth in the DAG\n" +" rules list all rules\n", config.parallelism); } @@ -261,6 +262,20 @@ int CmdTargets(State* state, int argc, char* argv[]) { } } +int CmdRules(State* state, int argc, char* argv[]) { + for (map<string, const Rule*>::iterator i = state->rules_.begin(); + i != state->rules_.end(); + ++i) { + if (i->second->description_.unparsed_.empty()) + printf("%s\n", i->first.c_str()); + else + printf("%s: %s\n", + i->first.c_str(), + i->second->description_.unparsed_.c_str()); + } + return 0; +} + int main(int argc, char** argv) { BuildConfig config; const char* input_file = "build.ninja"; @@ -328,6 +343,8 @@ int main(int argc, char** argv) { return CmdBrowse(&state, argc, argv); if (tool == "targets") return CmdTargets(&state, argc, argv); + if (tool == "rules") + return CmdRules(&state, argc, argv); Error("unknown tool '%s'", tool.c_str()); } |