| // Copyright 2020 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 "gn/swift_values.h" |
| |
| #include "gn/deps_iterator.h" |
| #include "gn/err.h" |
| #include "gn/settings.h" |
| #include "gn/substitution_writer.h" |
| #include "gn/target.h" |
| |
| SwiftValues::SwiftValues() = default; |
| |
| SwiftValues::~SwiftValues() = default; |
| |
| // static |
| bool SwiftValues::OnTargetResolved(Target* target, Err* err) { |
| if (!FillModuleOutputFile(target, err)) |
| return false; |
| |
| FillModuleDependencies(target); |
| return true; |
| } |
| |
| // static |
| void SwiftValues::FillModuleDependencies(Target* target) { |
| for (const auto& pair : target->GetDeps(Target::DEPS_LINKED)) { |
| if (!pair.ptr->has_swift_values()) |
| continue; |
| |
| if (pair.ptr->toolchain() == target->toolchain() || |
| pair.ptr->toolchain()->propagates_configs()) { |
| target->swift_values().modules_.Append( |
| pair.ptr->swift_values().public_modules().begin(), |
| pair.ptr->swift_values().public_modules().end()); |
| } |
| } |
| |
| for (const auto& pair : target->public_deps()) { |
| if (!pair.ptr->has_swift_values()) |
| continue; |
| |
| if (pair.ptr->toolchain() == target->toolchain() || |
| pair.ptr->toolchain()->propagates_configs()) |
| target->swift_values().public_modules_.Append( |
| pair.ptr->swift_values().public_modules().begin(), |
| pair.ptr->swift_values().public_modules().end()); |
| } |
| |
| if (target->swift_values().builds_module()) |
| target->swift_values().public_modules_.push_back(target); |
| } |
| |
| // static |
| bool SwiftValues::FillModuleOutputFile(Target* target, Err* err) { |
| if (!target->IsBinary() || !target->source_types_used().SwiftSourceUsed()) |
| return true; |
| |
| const Tool* tool = |
| target->toolchain()->GetToolForSourceType(SourceFile::SOURCE_SWIFT); |
| CHECK(tool->outputs().list().size() >= 1); |
| |
| OutputFile module_output_file = |
| SubstitutionWriter::ApplyPatternToLinkerAsOutputFile( |
| target, tool, tool->outputs().list()[0]); |
| |
| const SourceFile module_output_file_as_source = |
| module_output_file.AsSourceFile(target->settings()->build_settings()); |
| if (!module_output_file_as_source.IsSwiftModuleType()) { |
| *err = Err(tool->defined_from(), "Incorrect outputs for tool", |
| "The first output of tool " + std::string(tool->name()) + |
| " must be a .swiftmodule file."); |
| return false; |
| } |
| |
| SwiftValues& swift_values = target->swift_values(); |
| swift_values.module_output_file_ = std::move(module_output_file); |
| swift_values.module_output_dir_ = module_output_file_as_source.GetDir(); |
| |
| return true; |
| } |