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9732442628
As it is no longer ever instantiated, and since Syntax nodes are being plumbed through the parser, the LegacyASTTransformer no longer needs to exist.
58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
//===--- SyntaxASTMap.h - Swift Container for Semantic Info -----*- C++ -*-===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the interface for SyntaxASTMap, a container mapping Syntax
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// nodes to the Semantic AST.
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_AST_SYNTAXASTMAP_H
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#define SWIFT_AST_SYNTAXASTMAP_H
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#include "swift/AST/ASTNode.h"
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#include "swift/Syntax/Syntax.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/Optional.h"
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namespace swift {
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/// The top-level container and manager for semantic analysis.
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///
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/// Eventually, this should contain cached semantic information such as
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/// resolved symbols and types for Syntax nodes. For now, it only maintains
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/// a mapping from lib/AST nodes to lib/Syntax nodes while we integrate
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/// the infrastructure into the compiler.
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class SyntaxASTMap final {
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llvm::DenseMap<RC<syntax::SyntaxData>, ASTNode> SyntaxMap;
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public:
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/// Record a syntax node -> semantic node mapping for later retrieval.
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///
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/// This is a temporary measure to get a syntax node's Type or resolved
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/// underlying declaration reference after semantic analysis is done.
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void recordSyntaxMapping(RC<syntax::SyntaxData> FromNode,
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ASTNode ToNode);
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/// Get the semantic node for a piece of syntax. This must have been
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/// previously recorded with a call to `recordSyntaxMapping`.
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llvm::Optional<ASTNode> getNodeForSyntax(syntax::Syntax SyntaxNode) const;
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/// Clear any associations between syntax nodes and semantic nodes.
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void clearSyntaxMap();
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/// Dump the entire syntax node -> semantic node map for debugging purposes.
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void dumpSyntaxMap() const;
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};
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} // end namespace swift
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#endif // SWIFT_AST_SYNTAXASTMAP_H
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