| // Copyright (c) 2016 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 <set> |
| |
| #include "base/memory/ptr_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "tools/gn/commands.h" |
| #include "tools/gn/config.h" |
| #include "tools/gn/config_values_extractors.h" |
| #include "tools/gn/deps_iterator.h" |
| #include "tools/gn/desc_builder.h" |
| #include "tools/gn/input_file.h" |
| #include "tools/gn/parse_tree.h" |
| #include "tools/gn/runtime_deps.h" |
| #include "tools/gn/settings.h" |
| #include "tools/gn/substitution_writer.h" |
| #include "tools/gn/variables.h" |
| |
| // Example structure of Value for single target |
| // (not applicable or empty fields will be ommitted depending on target type) |
| // |
| // target_properties = { |
| // "type" : "output_type", // matching Target::GetStringForOutputType |
| // "toolchain" : "toolchain_name", |
| // "visibility" : [ list of visibility pattern descriptions ], |
| // "test_only" : true or false, |
| // "check_includes": true or false, |
| // "allow_circular_includes_from": [ list of target names ], |
| // "sources" : [ list of source files ], |
| // "public" : either "*" or [ list of public headers], |
| // "inputs" : [ list of inputs for target ], |
| // "configs" : [ list of configs for this target ], |
| // "public_configs" : [ list of public configs for this taget], |
| // "all_dependent_configs", [ list of all dependent configs for this target], |
| // "script" : "script for action targets", |
| // "args" : [ argument list for action targets ], |
| // "depfile : "file name for action input dependencies", |
| // "outputs" : [ list of target outputs ], |
| // "arflags", "asmflags", "cflags", "cflags_c", |
| // "clfags_cc", "cflags_objc", "clfags_objcc" : [ list of flags], |
| // "defines" : [ list of preprocessor definitions ], |
| // "include_dirs" : [ list of include directories ], |
| // "precompiled_header" : "name of precompiled header file", |
| // "precompiled_source" : "path to precompiled source", |
| // "deps : [ list of target dependencies ], |
| // "libs" : [ list of libraries ], |
| // "lib_dirs" : [ list of library directories ] |
| // } |
| // |
| // Optionally, if "what" is specified while generating description, two other |
| // properties can be requested that are not included by default |
| // |
| // "runtime_deps" : [list of computed runtime dependencies] |
| // "source_outputs" : { |
| // "source_file x" : [ list of outputs for source file x ] |
| // "source_file y" : [ list of outputs for source file y ] |
| // ... |
| // } |
| |
| namespace { |
| |
| std::string FormatSourceDir(const SourceDir& dir) { |
| #if defined(OS_WIN) |
| // On Windows we fix up system absolute paths to look like native ones. |
| // Internally, they'll look like "/C:\foo\bar/" |
| if (dir.is_system_absolute()) { |
| std::string buf = dir.value(); |
| if (buf.size() > 3 && buf[2] == ':') { |
| buf.erase(buf.begin()); // Erase beginning slash. |
| return buf; |
| } |
| } |
| #endif |
| return dir.value(); |
| } |
| |
| void RecursiveCollectChildDeps(const Target* target, |
| std::set<const Target*>* result); |
| |
| void RecursiveCollectDeps(const Target* target, |
| std::set<const Target*>* result) { |
| if (result->find(target) != result->end()) |
| return; // Already did this target. |
| result->insert(target); |
| |
| RecursiveCollectChildDeps(target, result); |
| } |
| |
| void RecursiveCollectChildDeps(const Target* target, |
| std::set<const Target*>* result) { |
| for (const auto& pair : target->GetDeps(Target::DEPS_ALL)) |
| RecursiveCollectDeps(pair.ptr, result); |
| } |
| |
| // Common functionality for target and config description builder |
| class BaseDescBuilder { |
| public: |
| typedef std::unique_ptr<base::Value> ValuePtr; |
| |
| BaseDescBuilder(const std::set<std::string>& what, |
| bool all, |
| bool tree, |
| bool blame) |
| : what_(what), all_(all), tree_(tree), blame_(blame) {} |
| |
| protected: |
| virtual Label GetToolchainLabel() const = 0; |
| |
| bool what(const std::string& w) const { |
| return what_.empty() || what_.find(w) != what_.end(); |
| } |
| |
| template <typename T> |
| ValuePtr RenderValue(const std::vector<T>& vector) { |
| auto res = base::MakeUnique<base::ListValue>(); |
| for (const auto& v : vector) |
| res->Append(RenderValue(v)); |
| |
| return std::move(res); |
| } |
| |
| ValuePtr RenderValue(const std::string& s, bool optional = false) { |
| return (s.empty() && optional) ? base::Value::CreateNullValue() |
| : ValuePtr(new base::StringValue(s)); |
| } |
| |
| ValuePtr RenderValue(const SourceDir& d) { |
| return d.is_null() ? base::Value::CreateNullValue() |
| : ValuePtr(new base::StringValue(FormatSourceDir(d))); |
| } |
| |
| ValuePtr RenderValue(const SourceFile& f) { |
| return f.is_null() ? base::Value::CreateNullValue() |
| : ValuePtr(new base::StringValue(f.value())); |
| } |
| |
| ValuePtr RenderValue(const LibFile& lib) { |
| if (lib.is_source_file()) |
| return RenderValue(lib.source_file()); |
| return RenderValue(lib.value()); |
| } |
| |
| template <class VectorType> |
| void FillInConfigVector(base::ListValue* out, |
| const VectorType& configs, |
| int indent = 0) { |
| for (const auto& config : configs) { |
| std::string name(indent * 2, ' '); |
| name.append(config.label.GetUserVisibleName(GetToolchainLabel())); |
| out->AppendString(name); |
| if (tree_) |
| FillInConfigVector(out, config.ptr->configs(), indent + 1); |
| } |
| } |
| |
| void FillInPrecompiledHeader(base::DictionaryValue* out, |
| const ConfigValues& values) { |
| if (what(variables::kPrecompiledHeader) && |
| !values.precompiled_header().empty()) { |
| out->Set(variables::kPrecompiledHeader, |
| RenderValue(values.precompiled_header(), true)); |
| } |
| if (what(variables::kPrecompiledSource) && |
| !values.precompiled_source().is_null()) { |
| out->Set(variables::kPrecompiledSource, |
| RenderValue(values.precompiled_source())); |
| } |
| } |
| |
| std::set<std::string> what_; |
| bool all_; |
| bool tree_; |
| bool blame_; |
| }; |
| |
| class ConfigDescBuilder : public BaseDescBuilder { |
| public: |
| ConfigDescBuilder(const Config* config, const std::set<std::string>& what) |
| : BaseDescBuilder(what, false, false, false), config_(config) {} |
| |
| std::unique_ptr<base::DictionaryValue> BuildDescription() { |
| auto res = base::MakeUnique<base::DictionaryValue>(); |
| const ConfigValues& values = config_->resolved_values(); |
| |
| if (what_.empty()) |
| res->SetString( |
| "toolchain", |
| config_->label().GetToolchainLabel().GetUserVisibleName(false)); |
| |
| if (what(variables::kConfigs) && !config_->configs().empty()) { |
| auto configs = base::MakeUnique<base::ListValue>(); |
| FillInConfigVector(configs.get(), config_->configs().vector()); |
| res->Set(variables::kConfigs, std::move(configs)); |
| } |
| |
| #define CONFIG_VALUE_ARRAY_HANDLER(name, type) \ |
| if (what(#name)) { \ |
| ValuePtr ptr = \ |
| render_config_value_array<type>(values, &ConfigValues::name); \ |
| if (ptr) { \ |
| res->Set(#name, std::move(ptr)); \ |
| } \ |
| } |
| CONFIG_VALUE_ARRAY_HANDLER(arflags, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(asmflags, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_c, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_cc, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_objc, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_objcc, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(defines, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(include_dirs, SourceDir) |
| CONFIG_VALUE_ARRAY_HANDLER(ldflags, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(lib_dirs, SourceDir) |
| CONFIG_VALUE_ARRAY_HANDLER(libs, LibFile) |
| |
| #undef CONFIG_VALUE_ARRAY_HANDLER |
| |
| FillInPrecompiledHeader(res.get(), values); |
| |
| return res; |
| } |
| |
| protected: |
| Label GetToolchainLabel() const override { |
| return config_->label().GetToolchainLabel(); |
| } |
| |
| private: |
| template <typename T> |
| ValuePtr render_config_value_array( |
| const ConfigValues& values, |
| const std::vector<T>& (ConfigValues::*getter)() const) { |
| auto res = base::MakeUnique<base::ListValue>(); |
| |
| for (const T& cur : (values.*getter)()) |
| res->Append(RenderValue(cur)); |
| |
| return res->empty() ? nullptr : std::move(res); |
| } |
| |
| const Config* config_; |
| }; |
| |
| class TargetDescBuilder : public BaseDescBuilder { |
| public: |
| TargetDescBuilder(const Target* target, |
| const std::set<std::string>& what, |
| bool all, |
| bool tree, |
| bool blame) |
| : BaseDescBuilder(what, all, tree, blame), target_(target) {} |
| |
| std::unique_ptr<base::DictionaryValue> BuildDescription() { |
| auto res = base::MakeUnique<base::DictionaryValue>(); |
| bool is_binary_output = target_->IsBinary(); |
| |
| if (what_.empty()) { |
| res->SetString("type", |
| Target::GetStringForOutputType(target_->output_type())); |
| res->SetString( |
| "toolchain", |
| target_->label().GetToolchainLabel().GetUserVisibleName(false)); |
| } |
| |
| // General target meta variables. |
| if (what(variables::kVisibility)) |
| res->Set(variables::kVisibility, target_->visibility().AsValue()); |
| |
| if (what(variables::kTestonly)) |
| res->SetBoolean(variables::kTestonly, target_->testonly()); |
| |
| if (is_binary_output) { |
| if (what(variables::kCheckIncludes)) |
| res->SetBoolean(variables::kCheckIncludes, target_->check_includes()); |
| |
| if (what(variables::kAllowCircularIncludesFrom)) { |
| auto labels = base::MakeUnique<base::ListValue>(); |
| for (const auto& cur : target_->allow_circular_includes_from()) |
| labels->AppendString(cur.GetUserVisibleName(GetToolchainLabel())); |
| |
| res->Set(variables::kAllowCircularIncludesFrom, std::move(labels)); |
| } |
| } |
| |
| if (what(variables::kSources) && !target_->sources().empty()) |
| res->Set(variables::kSources, RenderValue(target_->sources())); |
| |
| if (what(variables::kOutputName) && !target_->output_name().empty()) |
| res->SetString(variables::kOutputName, target_->output_name()); |
| |
| if (what(variables::kOutputDir) && !target_->output_dir().is_null()) |
| res->Set(variables::kOutputDir, RenderValue(target_->output_dir())); |
| |
| if (what(variables::kOutputExtension) && target_->output_extension_set()) |
| res->SetString(variables::kOutputExtension, target_->output_extension()); |
| |
| if (what(variables::kPublic)) { |
| if (target_->all_headers_public()) |
| res->SetString(variables::kPublic, "*"); |
| else |
| res->Set(variables::kPublic, RenderValue(target_->public_headers())); |
| } |
| |
| if (what(variables::kInputs) && !target_->inputs().empty()) |
| res->Set(variables::kInputs, RenderValue(target_->inputs())); |
| |
| if (is_binary_output && what(variables::kConfigs) && |
| !target_->configs().empty()) { |
| auto configs = base::MakeUnique<base::ListValue>(); |
| FillInConfigVector(configs.get(), target_->configs().vector()); |
| res->Set(variables::kConfigs, std::move(configs)); |
| } |
| |
| if (what(variables::kPublicConfigs) && !target_->public_configs().empty()) { |
| auto configs = base::MakeUnique<base::ListValue>(); |
| FillInConfigVector(configs.get(), target_->public_configs()); |
| res->Set(variables::kPublicConfigs, std::move(configs)); |
| } |
| |
| if (what(variables::kAllDependentConfigs) && |
| !target_->all_dependent_configs().empty()) { |
| auto configs = base::MakeUnique<base::ListValue>(); |
| FillInConfigVector(configs.get(), target_->all_dependent_configs()); |
| res->Set(variables::kAllDependentConfigs, std::move(configs)); |
| } |
| |
| // Action |
| if (target_->output_type() == Target::ACTION || |
| target_->output_type() == Target::ACTION_FOREACH) { |
| if (what(variables::kScript)) |
| res->SetString(variables::kScript, |
| target_->action_values().script().value()); |
| |
| if (what(variables::kArgs)) { |
| auto args = base::MakeUnique<base::ListValue>(); |
| for (const auto& elem : target_->action_values().args().list()) |
| args->AppendString(elem.AsString()); |
| |
| res->Set(variables::kArgs, std::move(args)); |
| } |
| if (what(variables::kDepfile) && |
| !target_->action_values().depfile().empty()) { |
| res->SetString(variables::kDepfile, |
| target_->action_values().depfile().AsString()); |
| } |
| } |
| |
| if (target_->output_type() != Target::SOURCE_SET && |
| target_->output_type() != Target::GROUP && |
| target_->output_type() != Target::BUNDLE_DATA) { |
| if (what(variables::kOutputs)) |
| FillInOutputs(res.get()); |
| } |
| |
| // Source outputs are only included when specifically asked for it |
| if (what_.find("source_outputs") != what_.end()) |
| FillInSourceOutputs(res.get()); |
| |
| if (target_->output_type() == Target::CREATE_BUNDLE && what("bundle_data")) |
| FillInBundle(res.get()); |
| |
| if (is_binary_output) { |
| #define CONFIG_VALUE_ARRAY_HANDLER(name, type) \ |
| if (what(#name)) { \ |
| ValuePtr ptr = RenderConfigValues<type>(&ConfigValues::name); \ |
| if (ptr) { \ |
| res->Set(#name, std::move(ptr)); \ |
| } \ |
| } |
| CONFIG_VALUE_ARRAY_HANDLER(arflags, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(asmflags, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_c, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_cc, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_objc, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(cflags_objcc, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(defines, std::string) |
| CONFIG_VALUE_ARRAY_HANDLER(include_dirs, SourceDir) |
| CONFIG_VALUE_ARRAY_HANDLER(ldflags, std::string) |
| #undef CONFIG_VALUE_ARRAY_HANDLER |
| |
| // Libs and lib_dirs are handled specially below. |
| |
| FillInPrecompiledHeader(res.get(), target_->config_values()); |
| } |
| |
| if (what(variables::kDeps)) |
| res->Set(variables::kDeps, RenderDeps()); |
| |
| // Runtime deps are special, print only when explicitly asked for and not in |
| // overview mode. |
| if (what_.find("runtime_deps") != what_.end()) |
| res->Set("runtime_deps", RenderRuntimeDeps()); |
| |
| // libs and lib_dirs are special in that they're inherited. We don't |
| // currently |
| // implement a blame feature for this since the bottom-up inheritance makes |
| // this difficult. |
| |
| // Libs can be part of any target and get recursively pushed up the chain, |
| // so display them regardless of target type. |
| if (what(variables::kLibs)) { |
| const OrderedSet<LibFile>& all_libs = target_->all_libs(); |
| if (!all_libs.empty()) { |
| auto libs = base::MakeUnique<base::ListValue>(); |
| for (size_t i = 0; i < all_libs.size(); i++) |
| libs->AppendString(all_libs[i].value()); |
| res->Set(variables::kLibs, std::move(libs)); |
| } |
| } |
| |
| if (what(variables::kLibDirs)) { |
| const OrderedSet<SourceDir>& all_lib_dirs = target_->all_lib_dirs(); |
| if (!all_lib_dirs.empty()) { |
| auto lib_dirs = base::MakeUnique<base::ListValue>(); |
| for (size_t i = 0; i < all_lib_dirs.size(); i++) |
| lib_dirs->AppendString(FormatSourceDir(all_lib_dirs[i])); |
| res->Set(variables::kLibDirs, std::move(lib_dirs)); |
| } |
| } |
| |
| return res; |
| } |
| |
| private: |
| // Prints dependencies of the given target (not the target itself). If the |
| // set is non-null, new targets encountered will be added to the set, and if |
| // a dependency is in the set already, it will not be recused into. When the |
| // set is null, all dependencies will be printed. |
| void RecursivePrintDeps(base::ListValue* out, |
| const Target* target, |
| std::set<const Target*>* seen_targets, |
| int indent_level) { |
| // Combine all deps into one sorted list. |
| std::vector<LabelTargetPair> sorted_deps; |
| for (const auto& pair : target->GetDeps(Target::DEPS_ALL)) |
| sorted_deps.push_back(pair); |
| std::sort(sorted_deps.begin(), sorted_deps.end(), |
| LabelPtrLabelLess<Target>()); |
| |
| std::string indent(indent_level * 2, ' '); |
| |
| for (const auto& pair : sorted_deps) { |
| const Target* cur_dep = pair.ptr; |
| std::string str = |
| indent + cur_dep->label().GetUserVisibleName(GetToolchainLabel()); |
| |
| bool print_children = true; |
| if (seen_targets) { |
| if (seen_targets->find(cur_dep) == seen_targets->end()) { |
| // New target, mark it visited. |
| seen_targets->insert(cur_dep); |
| } else { |
| // Already seen. |
| print_children = false; |
| // Only print "..." if something is actually elided, which means that |
| // the current target has children. |
| if (!cur_dep->public_deps().empty() || |
| !cur_dep->private_deps().empty() || !cur_dep->data_deps().empty()) |
| str += "..."; |
| } |
| } |
| |
| out->AppendString(str); |
| |
| if (print_children) |
| RecursivePrintDeps(out, cur_dep, seen_targets, indent_level + 1); |
| } |
| } |
| |
| ValuePtr RenderDeps() { |
| auto res = base::MakeUnique<base::ListValue>(); |
| |
| // Tree mode is separate. |
| if (tree_) { |
| if (all_) { |
| // Show all tree deps with no eliding. |
| RecursivePrintDeps(res.get(), target_, nullptr, 0); |
| } else { |
| // Don't recurse into duplicates. |
| std::set<const Target*> seen_targets; |
| RecursivePrintDeps(res.get(), target_, &seen_targets, 0); |
| } |
| } else { // not tree |
| |
| // Collect the deps to display. |
| if (all_) { |
| // Show all dependencies. |
| std::set<const Target*> all_deps; |
| RecursiveCollectChildDeps(target_, &all_deps); |
| commands::FilterAndPrintTargetSet(all_deps, res.get()); |
| } else { |
| // Show direct dependencies only. |
| std::vector<const Target*> deps; |
| for (const auto& pair : target_->GetDeps(Target::DEPS_ALL)) |
| deps.push_back(pair.ptr); |
| std::sort(deps.begin(), deps.end()); |
| commands::FilterAndPrintTargets(&deps, res.get()); |
| } |
| } |
| |
| return std::move(res); |
| } |
| |
| ValuePtr RenderRuntimeDeps() { |
| auto res = base::MakeUnique<base::ListValue>(); |
| |
| const Target* previous_from = NULL; |
| for (const auto& pair : ComputeRuntimeDeps(target_)) { |
| std::string str; |
| if (blame_) { |
| // Generally a target's runtime deps will be listed sequentially, so |
| // group them and don't duplicate the "from" label for two in a row. |
| if (previous_from == pair.second) { |
| str = " "; |
| } else { |
| previous_from = pair.second; |
| res->AppendString( |
| str + "From " + |
| pair.second->label().GetUserVisibleName(GetToolchainLabel())); |
| str = " "; |
| } |
| } |
| |
| res->AppendString(str + pair.first.value()); |
| } |
| |
| return std::move(res); |
| } |
| |
| void FillInSourceOutputs(base::DictionaryValue* res) { |
| auto dict = base::MakeUnique<base::DictionaryValue>(); |
| for (const auto& source : target_->sources()) { |
| std::vector<OutputFile> outputs; |
| Toolchain::ToolType tool_type = Toolchain::TYPE_NONE; |
| if (target_->GetOutputFilesForSource(source, &tool_type, &outputs)) { |
| auto list = base::MakeUnique<base::ListValue>(); |
| for (const auto& output : outputs) |
| list->AppendString(output.value()); |
| |
| dict->SetWithoutPathExpansion(source.value(), std::move(list)); |
| } |
| } |
| res->Set("source_outputs", std::move(dict)); |
| } |
| |
| void FillInBundle(base::DictionaryValue* res) { |
| auto data = base::MakeUnique<base::DictionaryValue>(); |
| const BundleData& bundle_data = target_->bundle_data(); |
| const Settings* settings = target_->settings(); |
| BundleData::SourceFiles sources; |
| bundle_data.GetSourceFiles(&sources); |
| data->Set("source_files", RenderValue(sources)); |
| data->SetString("root_dir_output", |
| bundle_data.GetBundleRootDirOutput(settings).value()); |
| data->Set("root_dir", RenderValue(bundle_data.root_dir())); |
| data->Set("resources_dir", RenderValue(bundle_data.resources_dir())); |
| data->Set("executable_dir", RenderValue(bundle_data.executable_dir())); |
| data->Set("plugins_dir", RenderValue(bundle_data.plugins_dir())); |
| data->SetString("product_type", bundle_data.product_type()); |
| |
| auto deps = base::MakeUnique<base::ListValue>(); |
| for (const auto* dep : bundle_data.bundle_deps()) |
| deps->AppendString(dep->label().GetUserVisibleName(GetToolchainLabel())); |
| |
| data->Set("deps", std::move(deps)); |
| res->Set("bundle_data", std::move(data)); |
| } |
| |
| void FillInOutputs(base::DictionaryValue* res) { |
| if (target_->output_type() == Target::ACTION) { |
| auto list = base::MakeUnique<base::ListValue>(); |
| for (const auto& elem : target_->action_values().outputs().list()) |
| list->AppendString(elem.AsString()); |
| |
| res->Set(variables::kOutputs, std::move(list)); |
| } else if (target_->output_type() == Target::CREATE_BUNDLE) { |
| std::vector<SourceFile> output_files; |
| target_->bundle_data().GetOutputsAsSourceFiles(target_->settings(), |
| &output_files); |
| res->Set(variables::kOutputs, RenderValue(output_files)); |
| } else if (target_->output_type() == Target::ACTION_FOREACH || |
| target_->output_type() == Target::COPY_FILES) { |
| const SubstitutionList& outputs = target_->action_values().outputs(); |
| if (!outputs.required_types().empty()) { |
| auto patterns = base::MakeUnique<base::ListValue>(); |
| for (const auto& elem : outputs.list()) |
| patterns->AppendString(elem.AsString()); |
| |
| res->Set("output_patterns", std::move(patterns)); |
| } |
| std::vector<SourceFile> output_files; |
| SubstitutionWriter::ApplyListToSources(target_->settings(), outputs, |
| target_->sources(), &output_files); |
| res->Set(variables::kOutputs, RenderValue(output_files)); |
| } else { |
| DCHECK(target_->IsBinary()); |
| const Tool* tool = |
| target_->toolchain()->GetToolForTargetFinalOutput(target_); |
| |
| std::vector<OutputFile> output_files; |
| SubstitutionWriter::ApplyListToLinkerAsOutputFile( |
| target_, tool, tool->outputs(), &output_files); |
| std::vector<SourceFile> output_files_as_source_file; |
| for (const OutputFile& output_file : output_files) |
| output_files_as_source_file.push_back( |
| output_file.AsSourceFile(target_->settings()->build_settings())); |
| |
| res->Set(variables::kOutputs, RenderValue(output_files_as_source_file)); |
| } |
| } |
| |
| // Writes a given config value type to the string, optionally with |
| // attribution. |
| // This should match RecursiveTargetConfigToStream in the order it traverses. |
| template <class T> |
| ValuePtr RenderConfigValues(const std::vector<T>& (ConfigValues::*getter)() |
| const) { |
| auto res = base::MakeUnique<base::ListValue>(); |
| for (ConfigValuesIterator iter(target_); !iter.done(); iter.Next()) { |
| const std::vector<T>& vec = (iter.cur().*getter)(); |
| |
| if (vec.empty()) |
| continue; |
| |
| if (blame_) { |
| const Config* config = iter.GetCurrentConfig(); |
| if (config) { |
| // Source of this value is a config. |
| std::string from = |
| "From " + config->label().GetUserVisibleName(false); |
| res->AppendString(from); |
| if (iter.origin()) { |
| Location location = iter.origin()->GetRange().begin(); |
| from = " (Added by " + location.file()->name().value() + ":" + |
| base::IntToString(location.line_number()) + ")"; |
| res->AppendString(from); |
| } |
| } else { |
| // Source of this value is the target itself. |
| std::string from = |
| "From " + target_->label().GetUserVisibleName(false); |
| res->AppendString(from); |
| } |
| } |
| |
| for (const T& val : vec) { |
| ValuePtr rendered = RenderValue(val); |
| std::string str; |
| // Indent string values in blame mode |
| if (blame_ && rendered->GetAsString(&str)) { |
| str = " " + str; |
| rendered = base::MakeUnique<base::StringValue>(str); |
| } |
| res->Append(std::move(rendered)); |
| } |
| } |
| return res->empty() ? nullptr : std::move(res); |
| } |
| |
| Label GetToolchainLabel() const override { |
| return target_->label().GetToolchainLabel(); |
| } |
| |
| const Target* target_; |
| }; |
| |
| } // namespace |
| |
| std::unique_ptr<base::DictionaryValue> DescBuilder::DescriptionForTarget( |
| const Target* target, |
| const std::string& what, |
| bool all, |
| bool tree, |
| bool blame) { |
| std::set<std::string> w; |
| if (!what.empty()) |
| w.insert(what); |
| TargetDescBuilder b(target, w, all, tree, blame); |
| return b.BuildDescription(); |
| } |
| |
| std::unique_ptr<base::DictionaryValue> DescBuilder::DescriptionForConfig( |
| const Config* config, |
| const std::string& what) { |
| std::set<std::string> w; |
| if (!what.empty()) |
| w.insert(what); |
| ConfigDescBuilder b(config, w); |
| return b.BuildDescription(); |
| } |