| // 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 <memory> |
| #include <string_view> |
| |
| #include "base/macros.h" |
| #include "gn/scope.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); |
| ~ScopePerFileProvider() override; |
| |
| // ProgrammaticProvider implementation. |
| const Value* GetProgrammaticValue(std::string_view ident) override; |
| |
| private: |
| const Value* GetCurrentToolchain(); |
| const Value* GetDefaultToolchain(); |
| const Value* GetGnVersion(); |
| 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. |
| std::unique_ptr<Value> current_toolchain_; |
| std::unique_ptr<Value> default_toolchain_; |
| std::unique_ptr<Value> gn_version_; |
| std::unique_ptr<Value> python_path_; |
| std::unique_ptr<Value> root_build_dir_; |
| std::unique_ptr<Value> root_gen_dir_; |
| std::unique_ptr<Value> root_out_dir_; |
| std::unique_ptr<Value> target_gen_dir_; |
| std::unique_ptr<Value> target_out_dir_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopePerFileProvider); |
| }; |
| |
| #endif // TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_ |