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Fixed performance issue that affected long if/elif chains. This addresses https://github.com/microsoft/pyright/issues/4728.

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This commit is contained in:
Eric Traut 2023-03-05 00:44:50 -07:00
parent a36c24c39f
commit 58db719c67
1 changed files with 2 additions and 2 deletions
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packages/pyright-internal/src/analyzer/typeEvaluator.ts
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@ -20018,7 +20018,7 @@ export function createTypeEvaluator(importLookup: ImportLookup, evaluatorOptions
if (symbolWithScope && honorCodeFlow && scopeTypeHonorsCodeFlow) {
// Filter the declarations based on flow reachability.
const reachableDecls = symbolWithScope.symbol.getDeclarations().filter((decl) => {
const reachableDecl = symbolWithScope.symbol.getDeclarations().find((decl) => {
if (decl.type !== DeclarationType.Alias && decl.type !== DeclarationType.Intrinsic) {
// Is the declaration in the same execution scope as the "usageNode" node?
const usageScope = ParseTreeUtils.getExecutionScopeNode(node);
@ -20051,7 +20051,7 @@ export function createTypeEvaluator(importLookup: ImportLookup, evaluatorOptions
// If none of the declarations are reachable from the current node,
// search for the symbol in outer scopes.
if (reachableDecls.length === 0) {
if (!reachableDecl) {
if (symbolWithScope.scope.type !== ScopeType.Function) {
let nextScopeToSearch = symbolWithScope.scope.parent;
const isOutsideCallerModule =