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[CodeCompletion] Disable module system headers validation #29180

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Merged
merged 1 commit into from
Jan 14, 2020
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[CodeCompletion] Disable module system headers validation #29180

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5 changes: 5 additions & 0 deletions lib/IDE/CompletionInstance.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -324,6 +324,11 @@ bool swift::ide::CompletionInstance::performOperation(
// source text. That breaks an invariant of syntax tree building.
Invocation.getLangOptions().BuildSyntaxTree = false;

// This validation may call stat(2) many times. Disable it to prevent
// performance regression.
Invocation.getSearchPathOptions().DisableModulesValidateSystemDependencies =
true;

// FIXME: ASTScopeLookup doesn't support code completion yet.
Invocation.disableASTScopeLookup();

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