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89 lines
2.8 KiB
C++
89 lines
2.8 KiB
C++
//===--- PersistentParserState.h - Parser State -----------------*- 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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// Parser state persistent across multiple parses.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SWIFT_PARSE_PERSISTENTPARSERSTATE_H
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#define SWIFT_PARSE_PERSISTENTPARSERSTATE_H
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#include "swift/Basic/SourceLoc.h"
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namespace swift {
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class SourceFile;
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class DeclContext;
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class IterableDeclContext;
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enum class IDEInspectionDelayedDeclKind {
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TopLevelCodeDecl,
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Decl,
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FunctionBody,
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};
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class IDEInspectionDelayedDeclState {
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public:
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IDEInspectionDelayedDeclKind Kind;
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DeclContext *ParentContext;
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unsigned StartOffset;
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unsigned EndOffset;
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unsigned PrevOffset;
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IDEInspectionDelayedDeclState(IDEInspectionDelayedDeclKind Kind,
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DeclContext *ParentContext,
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unsigned StartOffset, unsigned EndOffset,
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unsigned PrevOffset)
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: Kind(Kind), ParentContext(ParentContext), StartOffset(StartOffset),
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EndOffset(EndOffset), PrevOffset(PrevOffset) {}
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};
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/// Parser state persistent across multiple parses.
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class PersistentParserState {
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std::unique_ptr<IDEInspectionDelayedDeclState> IDEInspectionDelayedDeclStat;
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public:
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PersistentParserState();
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PersistentParserState(ASTContext &ctx) : PersistentParserState() { }
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~PersistentParserState();
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void setIDEInspectionDelayedDeclState(SourceManager &SM, unsigned BufferID,
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IDEInspectionDelayedDeclKind Kind,
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DeclContext *ParentContext,
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SourceRange BodyRange,
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SourceLoc PreviousLoc);
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void restoreIDEInspectionDelayedDeclState(
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const IDEInspectionDelayedDeclState &other);
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bool hasIDEInspectionDelayedDeclState() const {
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return IDEInspectionDelayedDeclStat.get() != nullptr;
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}
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IDEInspectionDelayedDeclState &getIDEInspectionDelayedDeclState() {
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return *IDEInspectionDelayedDeclStat.get();
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}
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const IDEInspectionDelayedDeclState &
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getIDEInspectionDelayedDeclState() const {
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return *IDEInspectionDelayedDeclStat.get();
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}
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std::unique_ptr<IDEInspectionDelayedDeclState>
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takeIDEInspectionDelayedDeclState() {
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assert(hasIDEInspectionDelayedDeclState());
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return std::move(IDEInspectionDelayedDeclStat);
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}
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};
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} // end namespace swift
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#endif
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