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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/scope_per_file_provider.h"
#include "tools/gn/filesystem_utils.h"
#include "tools/gn/settings.h"
#include "tools/gn/source_file.h"
#include "tools/gn/toolchain_manager.h"
#include "tools/gn/value.h"
const char* ScopePerFileProvider::kDefaultToolchain =
"default_toolchain";
const char* ScopePerFileProvider::kPythonPath =
"python_path";
const char* ScopePerFileProvider::kToolchain =
"toolchain";
const char* ScopePerFileProvider::kRootOutputDirName =
"root_output_dir";
const char* ScopePerFileProvider::kRootGenDirName =
"root_gen_dir";
const char* ScopePerFileProvider::kTargetOutputDirName =
"target_output_dir";
const char* ScopePerFileProvider::kTargetGenDirName =
"target_gen_dir";
const char* ScopePerFileProvider::kRelativeRootOutputDirName =
"relative_root_output_dir";
const char* ScopePerFileProvider::kRelativeRootGenDirName =
"relative_root_gen_dir";
const char* ScopePerFileProvider::kRelativeTargetOutputDirName =
"relative_target_output_dir";
const char* ScopePerFileProvider::kRelativeTargetGenDirName =
"relative_target_gen_dir";
ScopePerFileProvider::ScopePerFileProvider(Scope* scope,
const SourceFile& source_file)
: ProgrammaticProvider(scope),
source_file_(source_file) {
}
ScopePerFileProvider::~ScopePerFileProvider() {
}
const Value* ScopePerFileProvider::GetProgrammaticValue(
const base::StringPiece& ident) {
if (ident == kDefaultToolchain)
return GetDefaultToolchain();
if (ident == kPythonPath)
return GetPythonPath();
if (ident == kTargetOutputDirName)
return GetTargetOutputDir();
if (ident == kTargetGenDirName)
return GetTargetGenDir();
if (ident == kRelativeRootOutputDirName)
return GetRelativeRootOutputDir();
if (ident == kRelativeRootGenDirName)
return GetRelativeRootGenDir();
if (ident == kRelativeTargetOutputDirName)
return GetRelativeTargetOutputDir();
if (ident == kRelativeTargetGenDirName)
return GetRelativeTargetGenDir();
return NULL;
}
// static
Value ScopePerFileProvider::GetRootOutputDir(const Settings* settings) {
return Value(NULL, GetRootOutputDirWithNoLastSlash(settings));
}
// static
Value ScopePerFileProvider::GetRootGenDir(const Settings* settings) {
return Value(NULL, GetRootGenDirWithNoLastSlash(settings));
}
const Value* ScopePerFileProvider::GetDefaultToolchain() {
if (!default_toolchain_) {
const ToolchainManager& toolchain_manager =
scope_->settings()->build_settings()->toolchain_manager();
default_toolchain_.reset(new Value(NULL,
toolchain_manager.GetDefaultToolchainUnlocked().GetUserVisibleName(
false)));
}
return default_toolchain_.get();
}
const Value* ScopePerFileProvider::GetPythonPath() {
if (!python_path_) {
python_path_.reset(new Value(NULL,
FilePathToUTF8(scope_->settings()->build_settings()->python_path())));
}
return python_path_.get();
}
const Value* ScopePerFileProvider::GetToolchain() {
if (!toolchain_) {
toolchain_.reset(new Value(NULL,
scope_->settings()->toolchain()->label().GetUserVisibleName(false)));
}
return toolchain_.get();
}
const Value* ScopePerFileProvider::GetTargetOutputDir() {
if (!target_output_dir_) {
target_output_dir_.reset(new Value(NULL,
GetRootOutputDirWithNoLastSlash(scope_->settings()) +
GetFileDirWithNoLastSlash()));
}
return target_output_dir_.get();
}
const Value* ScopePerFileProvider::GetTargetGenDir() {
if (!target_output_dir_) {
target_gen_dir_.reset(new Value(NULL,
GetRootGenDirWithNoLastSlash(scope_->settings()) +
GetFileDirWithNoLastSlash()));
}
return target_gen_dir_.get();
}
const Value* ScopePerFileProvider::GetRelativeRootOutputDir() {
if (!relative_root_output_dir_) {
relative_root_output_dir_.reset(new Value(NULL,
GetRelativeRootWithNoLastSlash() +
GetRootOutputDirWithNoLastSlash(scope_->settings())));
}
return relative_root_output_dir_.get();
}
const Value* ScopePerFileProvider::GetRelativeRootGenDir() {
if (!relative_root_gen_dir_) {
relative_root_gen_dir_.reset(new Value(NULL,
GetRelativeRootWithNoLastSlash() +
GetRootGenDirWithNoLastSlash(scope_->settings())));
}
return relative_root_gen_dir_.get();
}
const Value* ScopePerFileProvider::GetRelativeTargetOutputDir() {
if (!relative_target_output_dir_) {
relative_target_output_dir_.reset(new Value(NULL,
GetRelativeRootWithNoLastSlash() +
GetRootOutputDirWithNoLastSlash(scope_->settings()) + "obj/" +
GetFileDirWithNoLastSlash()));
}
return relative_target_output_dir_.get();
}
const Value* ScopePerFileProvider::GetRelativeTargetGenDir() {
if (!relative_target_gen_dir_) {
relative_target_gen_dir_.reset(new Value(NULL,
GetRelativeRootWithNoLastSlash() +
GetRootGenDirWithNoLastSlash(scope_->settings()) +
GetFileDirWithNoLastSlash()));
}
return relative_target_gen_dir_.get();
}
// static
std::string ScopePerFileProvider::GetRootOutputDirWithNoLastSlash(
const Settings* settings) {
const std::string& output_dir =
settings->build_settings()->build_dir().value();
CHECK(!output_dir.empty());
return output_dir.substr(0, output_dir.size() - 1);
}
// static
std::string ScopePerFileProvider::GetRootGenDirWithNoLastSlash(
const Settings* settings) {
return GetRootOutputDirWithNoLastSlash(settings) + "/gen";
}
std::string ScopePerFileProvider::GetFileDirWithNoLastSlash() const {
std::string dir_value = source_file_.GetDir().value();
return dir_value.substr(0, dir_value.size() - 1);
}
std::string ScopePerFileProvider::GetRelativeRootWithNoLastSlash() const {
std::string inverted = InvertDir(source_file_.GetDir());
if (inverted.empty())
return ".";
return inverted.substr(0, inverted.size() - 1);
}
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