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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); |
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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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