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, 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
