60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
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// 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 "base/basictypes.h"
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#include "base/memory/scoped_ptr.h"
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#include "tools/gn/scope.h"
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#include "tools/gn/source_file.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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ScopePerFileProvider(Scope* scope, const SourceFile& source_file);
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virtual ~ScopePerFileProvider();
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// ProgrammaticProvider implementation.
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virtual const Value* GetProgrammaticValue(
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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* GetRelativeBuildToSourceRootDir();
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const Value* GetRelativeRootOutputDir();
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const Value* GetRelativeRootGenDir();
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const Value* GetRelativeTargetOutputDir();
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const Value* GetRelativeTargetGenDir();
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static std::string GetRootOutputDirWithNoLastSlash(const Settings* settings);
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static std::string GetRootGenDirWithNoLastSlash(const Settings* settings);
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std::string GetFileDirWithNoLastSlash() const;
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std::string GetRelativeRootWithNoLastSlash() const;
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// Inverts the given directory, returning it with no trailing slash. If the
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// result would be empty, "." is returned to indicate the current dir.
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static std::string InvertDirWithNoLastSlash(const SourceDir& dir);
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SourceFile source_file_;
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// All values are lazily created.
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scoped_ptr<Value> current_toolchain_;
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scoped_ptr<Value> default_toolchain_;
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scoped_ptr<Value> python_path_;
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scoped_ptr<Value> relative_build_to_source_root_dir_;
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scoped_ptr<Value> relative_root_output_dir_;
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scoped_ptr<Value> relative_root_gen_dir_;
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scoped_ptr<Value> relative_target_output_dir_;
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scoped_ptr<Value> relative_target_gen_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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