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[ConstraintSystem] Elevate TypedNode access helpers up to the namespace

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Originally such accessors were only useful for `FailureDiagnostic` but
now since `ConstraintLocator` is anchored with `TypedNode` it makes sense
to make them universally accessible.
This commit is contained in:
Pavel Yaskevich
2020-04-20 17:19:49 -07:00
parent 099379a05c
commit 398f37842a
4 changed files with 64 additions and 62 deletions
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24
lib/Sema/ConstraintSystem.cpp
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@@ -4447,3 +4447,27 @@ void ConstraintSystem::maybeProduceFallbackDiagnostic(
ctx.Diags.diagnose(target.getLoc(), diag::failed_to_produce_diagnostic);
}
SourceLoc constraints::getLoc(TypedNode anchor) {
if (auto *E = anchor.dyn_cast<const Expr *>()) {
return E->getLoc();
} else if (auto *T = anchor.dyn_cast<const TypeLoc *>()) {
return T->getLoc();
} else if (auto *V = anchor.dyn_cast<const VarDecl *>()) {
return V->getNameLoc();
} else {
return anchor.get<const Pattern *>()->getLoc();
}
}
SourceRange constraints::getSourceRange(TypedNode anchor) {
if (auto *E = anchor.dyn_cast<const Expr *>()) {
return E->getSourceRange();
} else if (auto *T = anchor.dyn_cast<const TypeLoc *>()) {
return T->getSourceRange();
} else if (auto *V = anchor.dyn_cast<const VarDecl *>()) {
return V->getSourceRange();
} else {
return anchor.get<const Pattern *>()->getSourceRange();
}
}