1// Copyright (c) 2013 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ 6#define TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ 7 8#include "base/basictypes.h" 9#include "base/memory/scoped_ptr.h" 10#include "tools/gn/scope.h" 11#include "tools/gn/source_file.h" 12 13// ProgrammaticProvider for a scope to provide it with per-file built-in 14// variable support. 15class ScopePerFileProvider : public Scope::ProgrammaticProvider { 16 public: 17 ScopePerFileProvider(Scope* scope, const SourceFile& source_file); 18 virtual ~ScopePerFileProvider(); 19 20 // ProgrammaticProvider implementation. 21 virtual const Value* GetProgrammaticValue( 22 const base::StringPiece& ident) OVERRIDE; 23 24 private: 25 const Value* GetCurrentToolchain(); 26 const Value* GetDefaultToolchain(); 27 const Value* GetPythonPath(); 28 const Value* GetRelativeRootOutputDir(); 29 const Value* GetRelativeRootGenDir(); 30 const Value* GetRelativeTargetOutputDir(); 31 const Value* GetRelativeTargetGenDir(); 32 33 static std::string GetRootOutputDirWithNoLastSlash(const Settings* settings); 34 static std::string GetRootGenDirWithNoLastSlash(const Settings* settings); 35 36 std::string GetFileDirWithNoLastSlash() const; 37 std::string GetRelativeRootWithNoLastSlash() const; 38 39 SourceFile source_file_; 40 41 // All values are lazily created. 42 scoped_ptr<Value> current_toolchain_; 43 scoped_ptr<Value> default_toolchain_; 44 scoped_ptr<Value> python_path_; 45 scoped_ptr<Value> relative_root_output_dir_; 46 scoped_ptr<Value> relative_root_gen_dir_; 47 scoped_ptr<Value> relative_target_output_dir_; 48 scoped_ptr<Value> relative_target_gen_dir_; 49 50 DISALLOW_COPY_AND_ASSIGN(ScopePerFileProvider); 51}; 52 53#endif // TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ 54