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50 lines
2.0 KiB
C++
50 lines
2.0 KiB
C++
//===--- PersistentParserState.cpp - Parser State Implementation ----------===//
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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 implements parser state persistent across multiple parses.
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//
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//===----------------------------------------------------------------------===//
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#include "swift/AST/ASTContext.h"
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#include "swift/AST/Decl.h"
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#include "swift/AST/Expr.h"
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#include "swift/Basic/SourceManager.h"
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#include "swift/Parse/PersistentParserState.h"
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using namespace swift;
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PersistentParserState::PersistentParserState() { }
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PersistentParserState::~PersistentParserState() { }
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void PersistentParserState::setIDEInspectionDelayedDeclState(
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SourceManager &SM, unsigned BufferID, IDEInspectionDelayedDeclKind Kind,
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DeclContext *ParentContext, SourceRange BodyRange, SourceLoc PreviousLoc) {
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assert(!IDEInspectionDelayedDeclStat.get() &&
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"only one decl can be delayed for code completion");
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unsigned startOffset = SM.getLocOffsetInBuffer(BodyRange.Start, BufferID);
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unsigned endOffset = SM.getLocOffsetInBuffer(BodyRange.End, BufferID);
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unsigned prevOffset = ~0U;
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if (PreviousLoc.isValid())
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prevOffset = SM.getLocOffsetInBuffer(PreviousLoc, BufferID);
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IDEInspectionDelayedDeclStat.reset(new IDEInspectionDelayedDeclState(
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Kind, ParentContext, startOffset, endOffset, prevOffset));
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}
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void PersistentParserState::restoreIDEInspectionDelayedDeclState(
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const IDEInspectionDelayedDeclState &other) {
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IDEInspectionDelayedDeclStat.reset(new IDEInspectionDelayedDeclState(
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other.Kind, other.ParentContext, other.StartOffset, other.EndOffset,
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other.PrevOffset));
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}
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