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56 lines
2.3 KiB
C++
56 lines
2.3 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 - 2015 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 http://swift.org/LICENSE.txt for license information
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// See http://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/Decl.h"
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#include "swift/AST/Expr.h"
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#include "swift/Parse/PersistentParserState.h"
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using namespace swift;
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void PersistentParserState::delayFunctionBodyParsing(AbstractFunctionDecl *AFD,
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SourceRange BodyRange,
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SourceLoc PreviousLoc) {
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std::unique_ptr<FunctionBodyState> State;
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State.reset(new FunctionBodyState(BodyRange, PreviousLoc,
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ScopeInfo.saveCurrentScope()));
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assert(DelayedBodies.find(AFD) == DelayedBodies.end() &&
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"Already recorded state for this body");
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DelayedBodies[AFD] = std::move(State);
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}
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std::unique_ptr<PersistentParserState::FunctionBodyState>
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PersistentParserState::takeBodyState(AbstractFunctionDecl *AFD) {
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assert(AFD->getBodyKind() == AbstractFunctionDecl::BodyKind::Unparsed);
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DelayedBodiesTy::iterator I = DelayedBodies.find(AFD);
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assert(I != DelayedBodies.end() && "State should be saved");
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std::unique_ptr<FunctionBodyState> State = std::move(I->second);
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DelayedBodies.erase(I);
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return State;
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}
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void PersistentParserState::delayDecl(DelayedDeclKind Kind,
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unsigned Flags,
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DeclContext *ParentContext,
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SourceRange BodyRange,
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SourceLoc PreviousLoc) {
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assert(!CodeCompletionDelayedDeclState.get() &&
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"only one decl can be delayed for code completion");
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CodeCompletionDelayedDeclState.reset(new DelayedDeclState(
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Kind, Flags, ParentContext, BodyRange, PreviousLoc,
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ScopeInfo.saveCurrentScope()));
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}
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