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52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_
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#define TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_
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#include <memory>
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#include "base/macros.h"
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#include "tools/gn/scope.h"
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// ProgrammaticProvider for a scope to provide it with per-file built-in
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// variable support.
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class ScopePerFileProvider : public Scope::ProgrammaticProvider {
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public:
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// allow_target_vars allows the target-related variables to get resolved.
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// When allow_target_vars is unset, the target-related values will be
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// undefined to GN script.
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ScopePerFileProvider(Scope* scope, bool allow_target_vars);
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~ScopePerFileProvider() override;
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// ProgrammaticProvider implementation.
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const Value* GetProgrammaticValue(const base::StringPiece& ident) override;
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private:
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const Value* GetCurrentToolchain();
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const Value* GetDefaultToolchain();
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const Value* GetPythonPath();
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const Value* GetRootBuildDir();
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const Value* GetRootGenDir();
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const Value* GetRootOutDir();
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const Value* GetTargetGenDir();
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const Value* GetTargetOutDir();
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bool allow_target_vars_;
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// All values are lazily created.
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std::unique_ptr<Value> current_toolchain_;
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std::unique_ptr<Value> default_toolchain_;
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std::unique_ptr<Value> python_path_;
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std::unique_ptr<Value> root_build_dir_;
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std::unique_ptr<Value> root_gen_dir_;
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std::unique_ptr<Value> root_out_dir_;
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std::unique_ptr<Value> target_gen_dir_;
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std::unique_ptr<Value> target_out_dir_;
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DISALLOW_COPY_AND_ASSIGN(ScopePerFileProvider);
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};
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#endif // TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_
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