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. 15 class ScopePerFileProvider : public Scope::ProgrammaticProvider { 16 public: 17 ScopePerFileProvider(Scope* scope); 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* GetRootBuildDir(); 29 const Value* GetRootGenDir(); 30 const Value* GetRootOutDir(); 31 const Value* GetTargetGenDir(); 32 const Value* GetTargetOutDir(); 33 34 // All values are lazily created. 35 scoped_ptr<Value> current_toolchain_; 36 scoped_ptr<Value> default_toolchain_; 37 scoped_ptr<Value> python_path_; 38 scoped_ptr<Value> root_build_dir_; 39 scoped_ptr<Value> root_gen_dir_; 40 scoped_ptr<Value> root_out_dir_; 41 scoped_ptr<Value> target_gen_dir_; 42 scoped_ptr<Value> target_out_dir_; 43 44 DISALLOW_COPY_AND_ASSIGN(ScopePerFileProvider); 45 }; 46 47 #endif // TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ 48