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-rw-r--r--tools/gn/scope_per_file_provider.h79
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diff --git a/tools/gn/scope_per_file_provider.h b/tools/gn/scope_per_file_provider.h
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--- a/tools/gn/scope_per_file_provider.h
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-// 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:
- ScopePerFileProvider(Scope* scope, const SourceFile& source_file);
- virtual ~ScopePerFileProvider();
-
- // ProgrammaticProvider implementation.
- virtual const Value* GetProgrammaticValue(
- const base::StringPiece& ident) OVERRIDE;
-
- // Returns the value to expose to script for the given thing. These values
- // are acually set globally, but are put here so we can keep all logic
- // for converting paths to built-in values in this one file.
- static Value GetRootOutputDir(const Settings* settings);
- static Value GetRootGenDir(const Settings* settings);
-
- // Variable names. These two should be set globally independent of the file
- // being processed.
- static const char* kRootOutputDirName;
- static const char* kRootGenDirName;
-
- // Variable names. These are provided by this class as needed.
- static const char* kDefaultToolchain;
- static const char* kPythonPath;
- static const char* kToolchain;
- static const char* kTargetOutputDirName;
- static const char* kTargetGenDirName;
- static const char* kRelativeRootOutputDirName;
- static const char* kRelativeRootGenDirName;
- static const char* kRelativeTargetOutputDirName;
- static const char* kRelativeTargetGenDirName;
-
- private:
- const Value* GetDefaultToolchain();
- const Value* GetPythonPath();
- const Value* GetToolchain();
- const Value* GetTargetOutputDir();
- const Value* GetTargetGenDir();
- const Value* GetRelativeRootOutputDir();
- const Value* GetRelativeRootGenDir();
- const Value* GetRelativeTargetOutputDir();
- const Value* GetRelativeTargetGenDir();
-
- static std::string GetRootOutputDirWithNoLastSlash(const Settings* settings);
- static std::string GetRootGenDirWithNoLastSlash(const Settings* settings);
-
- std::string GetFileDirWithNoLastSlash() const;
- std::string GetRelativeRootWithNoLastSlash() const;
-
- SourceFile source_file_;
-
- // All values are lazily created.
- scoped_ptr<Value> default_toolchain_;
- scoped_ptr<Value> python_path_;
- scoped_ptr<Value> toolchain_;
- scoped_ptr<Value> target_output_dir_;
- scoped_ptr<Value> target_gen_dir_;
- scoped_ptr<Value> relative_root_output_dir_;
- scoped_ptr<Value> relative_root_gen_dir_;
- scoped_ptr<Value> relative_target_output_dir_;
- scoped_ptr<Value> relative_target_gen_dir_;
-
- DISALLOW_COPY_AND_ASSIGN(ScopePerFileProvider);
-};
-
-#endif // TOOLS_GN_SCOPE_PER_FILE_PROVIDER_H_