Files
swift-mirror/lib/Parse/PersistentParserState.cpp
Rintaro Ishizaki ff97c06e8d [CodeCompletion] Use offsets in the buffer for second pass state
So that we can use the different the buffer for the second pass from the
first pass.
2019-12-18 21:52:20 -08:00

54 lines
2.0 KiB
C++

//===--- PersistentParserState.cpp - Parser State Implementation ----------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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
//
//===----------------------------------------------------------------------===//
//
// This file implements parser state persistent across multiple parses.
//
//===----------------------------------------------------------------------===//
#include "swift/AST/ASTContext.h"
#include "swift/AST/Decl.h"
#include "swift/AST/Expr.h"
#include "swift/Basic/SourceManager.h"
#include "swift/Parse/PersistentParserState.h"
using namespace swift;
PersistentParserState::PersistentParserState() { }
PersistentParserState::~PersistentParserState() { }
void PersistentParserState::setCodeCompletionDelayedDeclState(
SourceManager &SM, unsigned BufferID,
CodeCompletionDelayedDeclKind Kind, unsigned Flags,
DeclContext *ParentContext, SourceRange BodyRange, SourceLoc PreviousLoc) {
assert(!CodeCompletionDelayedDeclStat.get() &&
"only one decl can be delayed for code completion");
unsigned startOffset = SM.getLocOffsetInBuffer(BodyRange.Start, BufferID);
unsigned endOffset = SM.getLocOffsetInBuffer(BodyRange.End, BufferID);
unsigned prevOffset = ~0U;
if (PreviousLoc.isValid())
prevOffset = SM.getLocOffsetInBuffer(PreviousLoc, BufferID);
CodeCompletionDelayedDeclStat.reset(new CodeCompletionDelayedDeclState(
Kind, Flags, ParentContext, ScopeInfo.saveCurrentScope(),
startOffset, endOffset, prevOffset));
}
void PersistentParserState::delayDeclList(IterableDeclContext *D) {
DelayedDeclLists.push_back(D);
}
void PersistentParserState::parseAllDelayedDeclLists() {
for (auto IDC : DelayedDeclLists)
IDC->loadAllMembers();
}