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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "tools/gn/ninja_action_target_writer.h" | 5 #include "tools/gn/ninja_action_target_writer.h" |
| 6 | 6 |
| 7 #include "base/strings/string_util.h" | 7 #include "base/strings/string_util.h" |
| 8 #include "tools/gn/deps_iterator.h" |
| 8 #include "tools/gn/err.h" | 9 #include "tools/gn/err.h" |
| 9 #include "tools/gn/settings.h" | 10 #include "tools/gn/settings.h" |
| 10 #include "tools/gn/string_utils.h" | 11 #include "tools/gn/string_utils.h" |
| 11 #include "tools/gn/substitution_writer.h" | 12 #include "tools/gn/substitution_writer.h" |
| 12 #include "tools/gn/target.h" | 13 #include "tools/gn/target.h" |
| 13 | 14 |
| 14 NinjaActionTargetWriter::NinjaActionTargetWriter(const Target* target, | 15 NinjaActionTargetWriter::NinjaActionTargetWriter(const Target* target, |
| 15 std::ostream& out) | 16 std::ostream& out) |
| 16 : NinjaTargetWriter(target, out), | 17 : NinjaTargetWriter(target, out), |
| 17 path_output_no_escaping_( | 18 path_output_no_escaping_( |
| 18 target->settings()->build_settings()->build_dir(), | 19 target->settings()->build_settings()->build_dir(), |
| 19 ESCAPE_NONE) { | 20 ESCAPE_NONE) { |
| 20 } | 21 } |
| 21 | 22 |
| 22 NinjaActionTargetWriter::~NinjaActionTargetWriter() { | 23 NinjaActionTargetWriter::~NinjaActionTargetWriter() { |
| 23 } | 24 } |
| 24 | 25 |
| 25 void NinjaActionTargetWriter::Run() { | 26 void NinjaActionTargetWriter::Run() { |
| 26 std::string custom_rule_name = WriteRuleDefinition(); | 27 std::string custom_rule_name = WriteRuleDefinition(); |
| 27 | 28 |
| 28 // Collect our deps to pass as "extra hard dependencies" for input deps. This | 29 // Collect our deps to pass as "extra hard dependencies" for input deps. This |
| 29 // will force all of the action's dependencies to be completed before the | 30 // will force all of the action's dependencies to be completed before the |
| 30 // action is run. Usually, if an action has a dependency, it will be | 31 // action is run. Usually, if an action has a dependency, it will be |
| 31 // operating on the result of that previous step, so we need to be sure to | 32 // operating on the result of that previous step, so we need to be sure to |
| 32 // serialize these. | 33 // serialize these. |
| 33 std::vector<const Target*> extra_hard_deps; | 34 std::vector<const Target*> extra_hard_deps; |
| 34 for (size_t i = 0; i < target_->deps().size(); i++) | 35 for (DepsIterator iter(target_, DepsIterator::LINKED_ONLY); |
| 35 extra_hard_deps.push_back(target_->deps()[i].ptr); | 36 !iter.done(); iter.Advance()) |
| 37 extra_hard_deps.push_back(iter.target()); |
| 36 | 38 |
| 37 // For ACTIONs this is a bit inefficient since it creates an input dep | 39 // For ACTIONs this is a bit inefficient since it creates an input dep |
| 38 // stamp file even though we're only going to use it once. It would save a | 40 // stamp file even though we're only going to use it once. It would save a |
| 39 // build step to skip this and write the order-only deps directly on the | 41 // build step to skip this and write the order-only deps directly on the |
| 40 // build rule. This should probably be handled by WriteInputDepsStampAndGetDep | 42 // build rule. This should probably be handled by WriteInputDepsStampAndGetDep |
| 41 // automatically if we supply a count of sources (so it can optimize based on | 43 // automatically if we supply a count of sources (so it can optimize based on |
| 42 // how many times things would be duplicated). | 44 // how many times things would be duplicated). |
| 43 OutputFile input_dep = WriteInputDepsStampAndGetDep(extra_hard_deps); | 45 OutputFile input_dep = WriteInputDepsStampAndGetDep(extra_hard_deps); |
| 44 out_ << std::endl; | 46 out_ << std::endl; |
| 45 | 47 |
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| 68 } | 70 } |
| 69 out_ << std::endl; | 71 out_ << std::endl; |
| 70 if (target_->action_values().has_depfile()) { | 72 if (target_->action_values().has_depfile()) { |
| 71 out_ << " depfile = "; | 73 out_ << " depfile = "; |
| 72 WriteDepfile(SourceFile()); | 74 WriteDepfile(SourceFile()); |
| 73 out_ << std::endl; | 75 out_ << std::endl; |
| 74 } | 76 } |
| 75 } | 77 } |
| 76 out_ << std::endl; | 78 out_ << std::endl; |
| 77 | 79 |
| 78 // Write the stamp, which also depends on all datadeps. These are needed at | 80 // Write the stamp, which also depends on all data deps. These are needed at |
| 79 // runtime and should be compiled when the action is, but don't need to be | 81 // runtime and should be compiled when the action is, but don't need to be |
| 80 // done before we run the action. | 82 // done before we run the action. |
| 81 std::vector<OutputFile> data_outs; | 83 std::vector<OutputFile> data_outs; |
| 82 for (size_t i = 0; i < target_->datadeps().size(); i++) | 84 for (size_t i = 0; i < target_->data_deps().size(); i++) |
| 83 data_outs.push_back(target_->datadeps()[i].ptr->dependency_output_file()); | 85 data_outs.push_back(target_->data_deps()[i].ptr->dependency_output_file()); |
| 84 WriteStampForTarget(output_files, data_outs); | 86 WriteStampForTarget(output_files, data_outs); |
| 85 } | 87 } |
| 86 | 88 |
| 87 std::string NinjaActionTargetWriter::WriteRuleDefinition() { | 89 std::string NinjaActionTargetWriter::WriteRuleDefinition() { |
| 88 // Make a unique name for this rule. | 90 // Make a unique name for this rule. |
| 89 // | 91 // |
| 90 // Use a unique name for the response file when there are multiple build | 92 // Use a unique name for the response file when there are multiple build |
| 91 // steps so that they don't stomp on each other. When there are no sources, | 93 // steps so that they don't stomp on each other. When there are no sources, |
| 92 // there will be only one invocation so we can use a simple name. | 94 // there will be only one invocation so we can use a simple name. |
| 93 std::string target_label = target_->label().GetUserVisibleName(true); | 95 std::string target_label = target_->label().GetUserVisibleName(true); |
| (...skipping 113 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 207 out_ << " "; | 209 out_ << " "; |
| 208 path_output_.WriteFile(out_, (*output_files)[i]); | 210 path_output_.WriteFile(out_, (*output_files)[i]); |
| 209 } | 211 } |
| 210 } | 212 } |
| 211 | 213 |
| 212 void NinjaActionTargetWriter::WriteDepfile(const SourceFile& source) { | 214 void NinjaActionTargetWriter::WriteDepfile(const SourceFile& source) { |
| 213 path_output_.WriteFile(out_, | 215 path_output_.WriteFile(out_, |
| 214 SubstitutionWriter::ApplyPatternToSourceAsOutputFile( | 216 SubstitutionWriter::ApplyPatternToSourceAsOutputFile( |
| 215 settings_, target_->action_values().depfile(), source)); | 217 settings_, target_->action_values().depfile(), source)); |
| 216 } | 218 } |
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