| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "tools/gn/gyp_script_target_writer.h" |
| |
| #include "tools/gn/builder_record.h" |
| #include "tools/gn/err.h" |
| #include "tools/gn/file_template.h" |
| #include "tools/gn/filesystem_utils.h" |
| #include "tools/gn/settings.h" |
| #include "tools/gn/target.h" |
| |
| // Write script targets as GYP actions that just invoke Ninja. This allows us |
| // to not have to worry about duplicating the precise GN script execution |
| // semantices in GYP for each platform (GYP varies a bit). |
| |
| GypScriptTargetWriter::GypScriptTargetWriter(const TargetGroup& group, |
| const Toolchain* toolchain, |
| const SourceDir& gyp_dir, |
| std::ostream& out) |
| : GypTargetWriter(group.debug->item()->AsTarget(), toolchain, |
| gyp_dir, out) { |
| } |
| |
| GypScriptTargetWriter::~GypScriptTargetWriter() { |
| } |
| |
| void GypScriptTargetWriter::Run() { |
| int indent = 4; |
| std::string name = helper_.GetNameForTarget(target_); |
| |
| // Put the ninja build for this script target in this directory. |
| SourceDir ninja_dir(GetTargetOutputDir(target_).value() + name + "_ninja/"); |
| |
| Indent(indent) << "{\n"; |
| |
| Indent(indent + kExtraIndent) << "'target_name': '" << name << "',\n"; |
| Indent(indent + kExtraIndent) << "'type': 'none',\n"; |
| Indent(indent + kExtraIndent) << "'actions': [{\n"; |
| |
| Indent(indent + kExtraIndent * 2) << "'action_name': '" << name |
| << " action',\n"; |
| |
| Indent(indent + kExtraIndent * 2) << "'action': [\n"; |
| Indent(indent + kExtraIndent * 3) << "'ninja',\n"; |
| Indent(indent + kExtraIndent * 3) << "'-C', '"; |
| path_output_.WriteDir(out_, ninja_dir, PathOutput::DIR_NO_LAST_SLASH); |
| out_ << "',\n"; |
| Indent(indent + kExtraIndent * 3) << "'" << name << "',\n"; |
| Indent(indent + kExtraIndent * 2) << "],\n"; |
| |
| WriteActionInputs(indent + kExtraIndent * 2); |
| WriteActionOutputs(indent + kExtraIndent * 2); |
| |
| Indent(indent + kExtraIndent) << "}],\n"; |
| Indent(indent) << "},\n"; |
| } |
| |
| void GypScriptTargetWriter::WriteActionInputs(int indent) { |
| Indent(indent) << "'inputs': [\n"; |
| |
| // Write everything that should be considered an input for dependency |
| // purposes, which is all sources as well as the prereqs. |
| const Target::FileList& sources = target_->sources(); |
| for (size_t i = 0; i < sources.size(); i++) { |
| Indent(indent + kExtraIndent) << "'"; |
| path_output_.WriteFile(out_, sources[i]); |
| out_ << "',\n"; |
| } |
| |
| const Target::FileList& prereqs = target_->source_prereqs(); |
| for (size_t i = 0; i < prereqs.size(); i++) { |
| Indent(indent + kExtraIndent) << "'"; |
| path_output_.WriteFile(out_, prereqs[i]); |
| out_ << "',\n"; |
| } |
| |
| Indent(indent) << "],\n"; |
| } |
| |
| void GypScriptTargetWriter::WriteActionOutputs(int indent) { |
| Indent(indent) << "'outputs': [\n"; |
| |
| const Target::FileList& sources = target_->sources(); |
| if (sources.empty()) { |
| // Just write outputs directly if there are no sources. |
| const Target::FileList& output = target_->script_values().outputs(); |
| for (size_t output_i = 0; output_i < output.size(); output_i++) { |
| Indent(indent + kExtraIndent) << "'"; |
| path_output_.WriteFile(out_, output[output_i]); |
| out_ << "',\n"; |
| } |
| } else { |
| // There are sources, the outputs should be a template to apply to each. |
| FileTemplate output_template = FileTemplate::GetForTargetOutputs(target_); |
| |
| std::vector<std::string> output; |
| for (size_t source_i = 0; source_i < sources.size(); source_i++) { |
| output_template.ApplyString(sources[source_i].value(), &output); |
| for (size_t output_i = 0; output_i < output.size(); output_i++) { |
| Indent(indent + kExtraIndent) << "'"; |
| path_output_.WriteFile(out_, SourceFile(output[output_i])); |
| out_ << "',\n"; |
| } |
| } |
| } |
| |
| Indent(indent) << "],\n"; |
| } |