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Merge pull request #27210 from brentdax/it-is-known

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[NFC] Centralize lookup of NSCopying
This commit is contained in:
Brent Royal-Gordon
2019-09-20 16:45:54 -07:00
committed by GitHub
parent 9ec00d5ec1 0ce2434d43
commit 96e023d79b
9 changed files with 24 additions and 68 deletions
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23
lib/AST/ASTContext.cpp
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@@ -100,9 +100,10 @@ using AssociativityCacheType =
Associativity>;
#define FOR_KNOWN_FOUNDATION_TYPES(MACRO) \
MACRO(NSError) \
MACRO(NSNumber) \
MACRO(NSValue)
MACRO(NSCopying, ProtocolDecl) \
MACRO(NSError, ClassDecl) \
MACRO(NSNumber, ClassDecl) \
MACRO(NSValue, ClassDecl)
struct OverrideSignatureKey {
GenericSignature *baseMethodSig;
@@ -219,9 +220,9 @@ struct ASTContext::Implementation {
/// The declaration of ObjectiveC.ObjCBool.
StructDecl *ObjCBoolDecl = nullptr;
#define CACHE_FOUNDATION_DECL(NAME) \
#define CACHE_FOUNDATION_DECL(NAME, DECLTYPE) \
/** The declaration of Foundation.NAME. */ \
ClassDecl *NAME##Decl = nullptr;
DECLTYPE *NAME##Decl = nullptr;
FOR_KNOWN_FOUNDATION_TYPES(CACHE_FOUNDATION_DECL)
#undef CACHE_FOUNDATION_DECL
@@ -850,18 +851,18 @@ StructDecl *ASTContext::getObjCBoolDecl() const {
return getImpl().ObjCBoolDecl;
}
#define GET_FOUNDATION_DECL(NAME) \
ClassDecl *ASTContext::get##NAME##Decl() const { \
#define GET_FOUNDATION_DECL(NAME, DECLTYPE) \
DECLTYPE *ASTContext::get##NAME##Decl() const { \
if (!getImpl().NAME##Decl) { \
if (ModuleDecl *M = getLoadedModule(Id_Foundation)) { \
/* Note: lookupQualified() will search both the Foundation module \
* and the Clang Foundation module it imports. */ \
SmallVector<ValueDecl *, 1> decls; \
M->lookupQualified(M, getIdentifier(#NAME), NL_OnlyTypes, decls); \
if (decls.size() == 1 && isa<ClassDecl>(decls[0])) { \
auto classDecl = cast<ClassDecl>(decls[0]); \
if (classDecl->getGenericParams() == nullptr) { \
getImpl().NAME##Decl = classDecl; \
if (decls.size() == 1 && isa<DECLTYPE>(decls[0])) { \
auto decl = cast<DECLTYPE>(decls[0]); \
if (isa<ProtocolDecl>(decl) || decl->getGenericParams() == nullptr) { \
getImpl().NAME##Decl = decl; \
} \
} \
} \