mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
//===--- ParsedSyntax.h - Base class for ParsedSyntax hierarchy -*- C++ -*-===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2019 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_PARSEDSYNTAX_H
|
|
#define SWIFT_PARSE_PARSEDSYNTAX_H
|
|
|
|
#include "swift/Parse/ParsedRawSyntaxNode.h"
|
|
#include "swift/Syntax/SyntaxKind.h"
|
|
|
|
namespace swift {
|
|
|
|
class ParsedSyntax {
|
|
ParsedRawSyntaxNode RawNode;
|
|
|
|
public:
|
|
explicit ParsedSyntax(ParsedRawSyntaxNode &&rawNode)
|
|
: RawNode(std::move(rawNode)) {}
|
|
|
|
const ParsedRawSyntaxNode &getRaw() const { return RawNode; }
|
|
ParsedRawSyntaxNode &&takeRaw() { return std::move(RawNode); }
|
|
syntax::SyntaxKind getKind() const { return RawNode.getKind(); }
|
|
|
|
/// Returns true if the syntax node is of the given type.
|
|
template <typename T>
|
|
bool is() const {
|
|
return T::classof(this);
|
|
}
|
|
|
|
/// Cast this Syntax node to a more specific type, asserting it's of the
|
|
/// right kind.
|
|
template <typename T>
|
|
T castTo() && {
|
|
assert(is<T>() && "castTo<T>() node of incompatible type!");
|
|
return T(std::move(RawNode));
|
|
}
|
|
|
|
static bool kindof(syntax::SyntaxKind Kind) {
|
|
return true;
|
|
}
|
|
|
|
static bool classof(const ParsedSyntax *S) {
|
|
// Trivially true.
|
|
return true;
|
|
}
|
|
};
|
|
|
|
class ParsedTokenSyntax final : public ParsedSyntax {
|
|
public:
|
|
explicit ParsedTokenSyntax(ParsedRawSyntaxNode &&rawNode)
|
|
: ParsedSyntax(std::move(rawNode)) {}
|
|
|
|
tok getTokenKind() const {
|
|
return getRaw().getTokenKind();
|
|
}
|
|
|
|
static bool kindof(syntax::SyntaxKind Kind) {
|
|
return isTokenKind(Kind);
|
|
}
|
|
|
|
static bool classof(const ParsedSyntax *S) {
|
|
return kindof(S->getKind());
|
|
}
|
|
};
|
|
|
|
/// A generic unbounded collection of syntax nodes
|
|
template <syntax::SyntaxKind CollectionKind>
|
|
class ParsedSyntaxCollection : public ParsedSyntax {
|
|
|
|
public:
|
|
explicit ParsedSyntaxCollection(ParsedRawSyntaxNode rawNode)
|
|
: ParsedSyntax(std::move(rawNode)) {}
|
|
|
|
static bool kindof(syntax::SyntaxKind Kind) {
|
|
return Kind == CollectionKind;
|
|
}
|
|
|
|
static bool classof(const ParsedSyntax *S) {
|
|
return kindof(S->getKind());
|
|
}
|
|
};
|
|
|
|
} // end namespace swift
|
|
|
|
#endif
|