Files
swift-mirror/include/swift/Parse/SyntaxParsingCache.h

36 lines
1.0 KiB
C++

//===----------- SyntaxParsingCache.h -================----------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#ifndef SWIFT_PARSE_SYNTAXPARSINGCACHE_H
#define SWIFT_PARSE_SYNTAXPARSINGCACHE_H
#include "swift/Syntax/SyntaxNodes.h"
namespace swift {
using namespace swift::syntax;
class SyntaxParsingCache {
/// The syntax tree prior to the edit
SourceFileSyntax OldSyntaxTree;
public:
SyntaxParsingCache(SourceFileSyntax OldSyntaxTree)
: OldSyntaxTree(OldSyntaxTree) {}
llvm::Optional<Syntax> lookUp(size_t NewPosition, SyntaxKind Kind) const;
};
} // namespace swift
#endif // SWIFT_SYNTAX_PARSING_CACHE_H