Skip to content

Port https://github.com/Microsoft/TypeScript/pull/10703 to release-2.0 #10726

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Sep 6, 2016
Merged

Port https://github.com/Microsoft/TypeScript/pull/10703 to release-2.0 #10726

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b728972
Introduce resolvingSignature to ensure caching works for anySignature
ahejlsberg Sep 4, 2016
9adc26c
Add repro from #10697
ahejlsberg Sep 4, 2016
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions src/compiler/checker.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,7 @@ namespace ts {

const anySignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasLiteralTypes*/ false);
const unknownSignature = createSignature(undefined, undefined, undefined, emptyArray, unknownType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasLiteralTypes*/ false);
const resolvingSignature = createSignature(undefined, undefined, undefined, emptyArray, anyType, /*typePredicate*/ undefined, 0, /*hasRestParameter*/ false, /*hasLiteralTypes*/ false);

const enumNumberIndexInfo = createIndexInfo(stringType, /*isReadonly*/ true);

Expand Down Expand Up @@ -12205,10 +12206,10 @@ namespace ts {
// or that a different candidatesOutArray was passed in. Therefore, we need to redo the work
// to correctly fill the candidatesOutArray.
const cached = links.resolvedSignature;
if (cached && cached !== anySignature && !candidatesOutArray) {
if (cached && cached !== resolvingSignature && !candidatesOutArray) {
return cached;
}
links.resolvedSignature = anySignature;
links.resolvedSignature = resolvingSignature;
const result = resolveSignature(node, candidatesOutArray);
// If signature resolution originated in control flow type analysis (for example to compute the
// assigned type in a flow assignment) we don't cache the result as it may be based on temporary
Expand All @@ -12220,7 +12221,7 @@ namespace ts {
function getResolvedOrAnySignature(node: CallLikeExpression) {
// If we're already in the process of resolving the given signature, don't resolve again as
// that could cause infinite recursion. Instead, return anySignature.
return getNodeLinks(node).resolvedSignature === anySignature ? anySignature : getResolvedSignature(node);
return getNodeLinks(node).resolvedSignature === resolvingSignature ? resolvingSignature : getResolvedSignature(node);
}

function getInferredClassType(symbol: Symbol) {
Expand Down
Loading