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Revert "Merge pull request #32628 from benlangmuir/sema-repeat"

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This reverts commit 35eab3e3a8, reversing
changes made to d5a549a9e4.

This caused an unexpected regression.

rdar://65554791
This commit is contained in:
Ben Langmuir
2020-07-14 17:00:02 -07:00
parent 6ea2034e33
commit 209a7b3813
3 changed files with 9 additions and 87 deletions
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20
tools/SourceKit/lib/SwiftLang/SwiftEditor.cpp
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@@ -659,7 +659,7 @@ public:
}
private:
std::vector<SwiftSemanticToken> getSemanticTokens(
std::vector<SwiftSemanticToken> takeSemanticTokens(
ImmutableTextSnapshotRef NewSnapshot);
Optional<std::vector<DiagnosticEntryInfo>> getSemanticDiagnostics(
@@ -760,12 +760,12 @@ void SwiftDocumentSemanticInfo::readSemanticInfo(
llvm::sys::ScopedLock L(Mtx);
Tokens = getSemanticTokens(NewSnapshot);
Tokens = takeSemanticTokens(NewSnapshot);
Diags = getSemanticDiagnostics(NewSnapshot, ParserDiags);
}
std::vector<SwiftSemanticToken>
SwiftDocumentSemanticInfo::getSemanticTokens(
SwiftDocumentSemanticInfo::takeSemanticTokens(
ImmutableTextSnapshotRef NewSnapshot) {
llvm::sys::ScopedLock L(Mtx);
@@ -773,15 +773,13 @@ SwiftDocumentSemanticInfo::getSemanticTokens(
if (SemaToks.empty())
return {};
auto result = SemaToks;
// Adjust the position of the tokens.
TokSnapshot->foreachReplaceUntil(NewSnapshot,
[&](ReplaceImmutableTextUpdateRef Upd) -> bool {
if (result.empty())
if (SemaToks.empty())
return false;
auto ReplaceBegin = std::lower_bound(result.begin(), result.end(),
auto ReplaceBegin = std::lower_bound(SemaToks.begin(), SemaToks.end(),
Upd->getByteOffset(),
[&](const SwiftSemanticToken &Tok, unsigned StartOffset) -> bool {
return Tok.ByteOffset+Tok.Length < StartOffset;
@@ -791,7 +789,7 @@ SwiftDocumentSemanticInfo::getSemanticTokens(
if (Upd->getLength() == 0) {
ReplaceEnd = ReplaceBegin;
} else {
ReplaceEnd = std::upper_bound(ReplaceBegin, result.end(),
ReplaceEnd = std::upper_bound(ReplaceBegin, SemaToks.end(),
Upd->getByteOffset() + Upd->getLength(),
[&](unsigned EndOffset, const SwiftSemanticToken &Tok) -> bool {
return EndOffset < Tok.ByteOffset;
@@ -802,14 +800,14 @@ SwiftDocumentSemanticInfo::getSemanticTokens(
int Delta = InsertLen - Upd->getLength();
if (Delta != 0) {
for (std::vector<SwiftSemanticToken>::iterator
I = ReplaceEnd, E = result.end(); I != E; ++I)
I = ReplaceEnd, E = SemaToks.end(); I != E; ++I)
I->ByteOffset += Delta;
}
result.erase(ReplaceBegin, ReplaceEnd);
SemaToks.erase(ReplaceBegin, ReplaceEnd);
return true;
});
return result;
return std::move(SemaToks);
}
Optional<std::vector<DiagnosticEntryInfo>>