| // 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. |
| |
| #ifndef TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ |
| #define TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "tools/gn/scope.h" |
| #include "tools/gn/source_file.h" |
| |
| // ProgrammaticProvider for a scope to provide it with per-file built-in |
| // variable support. |
| class ScopePerFileProvider : public Scope::ProgrammaticProvider { |
| public: |
| // allow_target_vars allows the target-related variables to get resolved. |
| // When allow_target_vars is unset, the target-related values will be |
| // undefined to GN script. |
| ScopePerFileProvider(Scope* scope, bool allow_target_vars); |
| virtual ~ScopePerFileProvider(); |
| |
| // ProgrammaticProvider implementation. |
| virtual const Value* GetProgrammaticValue( |
| const base::StringPiece& ident) OVERRIDE; |
| |
| private: |
| const Value* GetCurrentToolchain(); |
| const Value* GetDefaultToolchain(); |
| const Value* GetPythonPath(); |
| const Value* GetRootBuildDir(); |
| const Value* GetRootGenDir(); |
| const Value* GetRootOutDir(); |
| const Value* GetTargetGenDir(); |
| const Value* GetTargetOutDir(); |
| |
| bool allow_target_vars_; |
| |
| // All values are lazily created. |
| scoped_ptr<Value> current_toolchain_; |
| scoped_ptr<Value> default_toolchain_; |
| scoped_ptr<Value> python_path_; |
| scoped_ptr<Value> root_build_dir_; |
| scoped_ptr<Value> root_gen_dir_; |
| scoped_ptr<Value> root_out_dir_; |
| scoped_ptr<Value> target_gen_dir_; |
| scoped_ptr<Value> target_out_dir_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopePerFileProvider); |
| }; |
| |
| #endif // TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ |