blob: e53e28eb24593006d8bef2150fd4549bb0d7ce5c [file] [log] [blame]
// 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 "gn/c_tool.h"
#include "gn/config_values.h"
#include "gn/ninja_target_writer.h"
#include "gn/toolchain.h"
#include "gn/unique_vector.h"
struct EscapeOptions;
// Writes a .ninja file for a binary target type (an executable, a shared
// library, or a static library).
class NinjaBinaryTargetWriter : public NinjaTargetWriter {
NinjaBinaryTargetWriter(const Target* target, std::ostream& out);
~NinjaBinaryTargetWriter() override;
void Run() override;
// Structure used to return the classified deps from |GetDeps| method.
struct ClassifiedDeps {
UniqueVector<OutputFile> extra_object_files;
UniqueVector<const Target*> linkable_deps;
UniqueVector<const Target*> non_linkable_deps;
UniqueVector<const Target*> framework_deps;
UniqueVector<const Target*> swiftmodule_deps;
// Writes to the output stream a stamp rule for inputs, and
// returns the file to be appended to source rules that encodes the
// implicit dependencies for the current target.
// If num_stamp_uses is small, this might return all input dependencies
// directly, without writing a stamp file.
// If there are no implicit dependencies and no extra target dependencies
// are passed in, this returns an empty vector.
std::vector<OutputFile> WriteInputsStampAndGetDep(
size_t num_stamp_uses) const;
// Writes the stamp line for a source set. These are not linked.
void WriteSourceSetStamp(const std::vector<OutputFile>& object_files);
// Gets all target dependencies and classifies them, as well as accumulates
// object files from source sets we need to link.
ClassifiedDeps GetClassifiedDeps() const;
// Classifies the dependency as linkable or nonlinkable with the current
// target, adding it to the appropriate vector of |classified_deps|. If the
// dependency is a source set we should link in, the source set's object
// files will be appended to |classified_deps.extra_object_files|.
void ClassifyDependency(const Target* dep,
ClassifiedDeps* classified_deps) const;
OutputFile WriteStampAndGetDep(const UniqueVector<const SourceFile*>& files,
const std::string& stamp_ext) const;
void WriteCompilerBuildLine(const std::vector<SourceFile>& sources,
const std::vector<OutputFile>& extra_deps,
const std::vector<OutputFile>& order_only_deps,
const char* tool_name,
const std::vector<OutputFile>& outputs);
void WriteLinkerFlags(std::ostream& out,
const Tool* tool,
const SourceFile* optional_def_file);
void WriteCustomLinkerFlags(std::ostream& out, const Tool* tool);
void WriteLibrarySearchPath(std::ostream& out, const Tool* tool);
void WriteLibs(std::ostream& out, const Tool* tool);
void WriteFrameworks(std::ostream& out, const Tool* tool);
void WriteSwiftModules(std::ostream& out,
const Tool* tool,
const std::vector<OutputFile>& swiftmodules);
void AddSourceSetFiles(const Target* source_set,
UniqueVector<OutputFile>* obj_files) const;
// Cached version of the prefix used for rule types for this toolchain.
std::string rule_prefix_;
NinjaBinaryTargetWriter(const NinjaBinaryTargetWriter&) = delete;
NinjaBinaryTargetWriter& operator=(const NinjaBinaryTargetWriter&) = delete;