mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
//===--- AbsoluteRawSyntax.cpp ----------------------------------*- C++ -*-===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2020 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "swift/Syntax/AbsoluteRawSyntax.h"
|
|
|
|
using namespace swift;
|
|
using namespace swift::syntax;
|
|
|
|
std::atomic<SyntaxIdentifier::RootIdType> SyntaxIdentifier::NextUnusedRootId(0);
|
|
|
|
SyntaxIndexInTree
|
|
SyntaxIndexInTree::advancedBy(const RC<RawSyntax> &Raw) const {
|
|
auto NewIndexInTree = IndexInTree;
|
|
if (Raw) {
|
|
NewIndexInTree += Raw->getTotalNodes();
|
|
}
|
|
return SyntaxIndexInTree(NewIndexInTree);
|
|
}
|
|
|
|
SyntaxIndexInTree
|
|
SyntaxIndexInTree::reversedBy(const RC<RawSyntax> &Raw) const {
|
|
auto NewIndexInTree = IndexInTree;
|
|
if (Raw) {
|
|
NewIndexInTree -= Raw->getTotalNodes();
|
|
}
|
|
return SyntaxIndexInTree(NewIndexInTree);
|
|
}
|
|
|
|
SyntaxIndexInTree SyntaxIndexInTree::advancedToFirstChild() const {
|
|
auto NewIndexInTree = IndexInTree + 1;
|
|
return SyntaxIndexInTree(NewIndexInTree);
|
|
}
|
|
|
|
AbsoluteSyntaxPosition
|
|
AbsoluteSyntaxPosition::advancedBy(const RC<RawSyntax> &Raw) const {
|
|
OffsetType NewOffset = Offset;
|
|
if (Raw) {
|
|
NewOffset += Raw->getTextLength();
|
|
}
|
|
IndexInParentType NewIndexInParent = IndexInParent + 1;
|
|
return AbsoluteSyntaxPosition(NewOffset, NewIndexInParent);
|
|
}
|
|
|
|
AbsoluteSyntaxPosition
|
|
AbsoluteSyntaxPosition::reversedBy(const RC<RawSyntax> &Raw) const {
|
|
OffsetType NewOffset = Offset;
|
|
if (Raw) {
|
|
NewOffset -= Raw->getTextLength();
|
|
}
|
|
IndexInParentType NewIndexInParent = IndexInParent - 1;
|
|
return AbsoluteSyntaxPosition(NewOffset, NewIndexInParent);
|
|
}
|
|
|
|
raw_ostream &llvm::operator<<(raw_ostream &OS,
|
|
swift::syntax::AbsoluteOffsetPosition Pos) {
|
|
OS << "Offset " << Pos.getOffset();
|
|
return OS;
|
|
}
|