84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "tools/gn/ninja_target_writer.h"
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#include <fstream>
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#include <sstream>
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#include "base/file_util.h"
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#include "tools/gn/err.h"
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#include "tools/gn/ninja_binary_target_writer.h"
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#include "tools/gn/ninja_copy_target_writer.h"
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#include "tools/gn/ninja_group_target_writer.h"
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#include "tools/gn/ninja_script_target_writer.h"
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#include "tools/gn/scheduler.h"
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#include "tools/gn/target.h"
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NinjaTargetWriter::NinjaTargetWriter(const Target* target, std::ostream& out)
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: settings_(target->settings()),
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target_(target),
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out_(out),
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path_output_(settings_->build_settings()->build_dir(),
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ESCAPE_NINJA, true),
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helper_(settings_->build_settings()) {
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}
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NinjaTargetWriter::~NinjaTargetWriter() {
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}
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// static
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void NinjaTargetWriter::RunAndWriteFile(const Target* target) {
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const Settings* settings = target->settings();
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NinjaHelper helper(settings->build_settings());
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base::FilePath ninja_file(settings->build_settings()->GetFullPath(
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helper.GetNinjaFileForTarget(target).GetSourceFile(
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settings->build_settings())));
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if (g_scheduler->verbose_logging())
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g_scheduler->Log("Writing", FilePathToUTF8(ninja_file));
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file_util::CreateDirectory(ninja_file.DirName());
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// It's rediculously faster to write to a string and then write that to
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// disk in one operation than to use an fstream here.
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std::stringstream file;
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if (file.fail()) {
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g_scheduler->FailWithError(
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Err(Location(), "Error writing ninja file.",
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"Unable to open \"" + FilePathToUTF8(ninja_file) + "\"\n"
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"for writing."));
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return;
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}
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// Call out to the correct sub-type of writer.
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if (target->output_type() == Target::COPY_FILES) {
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NinjaCopyTargetWriter writer(target, file);
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writer.Run();
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} else if (target->output_type() == Target::CUSTOM) {
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NinjaScriptTargetWriter writer(target, file);
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writer.Run();
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} else if (target->output_type() == Target::GROUP) {
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NinjaGroupTargetWriter writer(target, file);
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writer.Run();
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} else if (target->output_type() == Target::EXECUTABLE ||
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target->output_type() == Target::STATIC_LIBRARY ||
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target->output_type() == Target::SHARED_LIBRARY) {
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NinjaBinaryTargetWriter writer(target, file);
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writer.Run();
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} else {
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CHECK(0);
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}
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std::string contents = file.str();
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file_util::WriteFile(ninja_file, contents.c_str(), contents.size());
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}
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void NinjaTargetWriter::WriteEnvironment() {
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// TODO(brettw) have a better way to do the environment setup on Windows.
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if (target_->settings()->IsWin())
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out_ << "arch = environment.x86\n";
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}
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