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// 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 "tools/gn/gyp_target_writer.h"
#include <iostream>
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "tools/gn/build_settings.h"
#include "tools/gn/builder_record.h"
#include "tools/gn/filesystem_utils.h"
#include "tools/gn/gyp_binary_target_writer.h"
#include "tools/gn/gyp_script_target_writer.h"
#include "tools/gn/scheduler.h"
#include "tools/gn/settings.h"
#include "tools/gn/target.h"
GypTargetWriter::GypTargetWriter(const Target* target,
const SourceDir& gyp_dir,
std::ostream& out)
: settings_(target->settings()),
target_(target),
gyp_dir_(gyp_dir),
out_(out),
// All GYP paths are relative to GYP file.
path_output_(gyp_dir, ESCAPE_JSON, false) {
}
GypTargetWriter::~GypTargetWriter() {
}
// static
void GypTargetWriter::WriteFile(const SourceFile& gyp_file,
const std::vector<TargetGroup>& targets,
Err* err) {
if (targets.empty())
return;
const Settings* debug_settings =
targets[0].debug->item()->AsTarget()->settings();
const BuildSettings* debug_build_settings = debug_settings->build_settings();
base::FilePath gyp_file_path = debug_build_settings->GetFullPath(gyp_file);
file_util::CreateDirectory(gyp_file_path.DirName());
std::stringstream file;
file << "# Generated by GN. Do not edit.\n\n";
file << "{\n";
file << " 'skip_includes': 1,\n";
if (debug_settings->IsMac()) {
// Global settings for make/ninja. This must match common.gypi :(
file << " 'make_global_settings': [\n";
file << " ['CC', 'third_party/llvm-build/Release+Asserts/bin/clang'],\n";
file <<
" ['CXX', 'third_party/llvm-build/Release+Asserts/bin/clang++'],\n";
file << " ['CC.host', '$(CC)'],\n";
file << " ['CXX.host', '$(CXX)'],\n";
file << " ],\n";
}
// TODO(brettw) android.
file << " 'targets': [\n";
for (size_t i = 0; i < targets.size(); i++) {
const Target* cur = targets[i].debug->item()->AsTarget();
switch (cur->output_type()) {
case Target::COPY_FILES:
break; // TODO(brettw)
case Target::CUSTOM: {
GypScriptTargetWriter writer(targets[i], gyp_file.GetDir(), file);
writer.Run();
break;
}
case Target::GROUP:
break; // TODO(brettw)
case Target::EXECUTABLE:
case Target::STATIC_LIBRARY:
case Target::SHARED_LIBRARY:
case Target::SOURCE_SET: {
GypBinaryTargetWriter writer(targets[i], gyp_file.GetDir(), file);
writer.Run();
break;
}
default:
CHECK(0);
}
}
file << " ],\n}\n";
std::string contents = file.str();
file_util::WriteFile(gyp_file_path, contents.c_str(),
static_cast<int>(contents.size()));
}
std::ostream& GypTargetWriter::Indent(int spaces) {
return Indent(out_, spaces);
}
// static
std::ostream& GypTargetWriter::Indent(std::ostream& out, int spaces) {
const char kSpaces[81] =
" "
" ";
CHECK(static_cast<size_t>(spaces) <= arraysize(kSpaces) - 1);
out.write(kSpaces, spaces);
return out;
}
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