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Lift Requirement and Parameter Accessors up to GenericSignature

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Start treating the null {Can}GenericSignature as a regular signature
with no requirements and no parameters. This not only makes for a much
safer abstraction, but allows us to simplify a lot of the clients of
GenericSignature that would previously have to check for null before
using the abstraction.
This commit is contained in:
Robert Widmann
2021-07-14 19:05:28 -07:00
parent 9a1d18ae4f
commit d86551de67
61 changed files with 283 additions and 247 deletions
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4
tools/SourceKit/lib/SwiftLang/SwiftDocSupport.cpp
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@@ -290,7 +290,7 @@ static void initDocGenericParams(const Decl *D, DocEntityInfo &Info,
// FIXME: Not right for extensions of nested generic types
if (GC->isGeneric()) {
for (auto *GP : GenericSig->getInnermostGenericParams()) {
for (auto *GP : GenericSig.getInnermostGenericParams()) {
if (GP->getDecl()->isImplicit())
continue;
Type TypeToPrint = GP;
@@ -314,7 +314,7 @@ static void initDocGenericParams(const Decl *D, DocEntityInfo &Info,
if (auto *typeDC = GC->getInnermostTypeContext())
Proto = typeDC->getSelfProtocolDecl();
for (auto Req: GenericSig->getRequirements()) {
for (auto Req: GenericSig.getRequirements()) {
if (Proto &&
Req.getKind() == RequirementKind::Conformance &&
Req.getFirstType()->isEqual(Proto->getSelfInterfaceType()) &&