static clang::CanQualType getClangDecayedVaListType(
const clang::ASTContext &clangCtx) {
clang::QualType clangType =
clangCtx.getCanonicalType(clangCtx.getBuiltinVaListType());
if (clangType->isConstantArrayType())
clangType = clangCtx.getDecayedType(clangType);
return clangCtx.getCanonicalType(clangType);
}
static clang::CanQualType getClangMetatypeType(
const clang::ASTContext &clangCtx) {
clang::QualType clangType =
clangCtx.getObjCObjectType(clangCtx.ObjCBuiltinClassTy, 0, 0);
clangType = clangCtx.getObjCObjectPointerType(clangType);
return clangCtx.getCanonicalType(clangType);
}
static clang::CanQualType getClangIdType(
const clang::ASTContext &clangCtx) {
clang::QualType clangType =
clangCtx.getObjCObjectType(clangCtx.ObjCBuiltinIdTy, nullptr, 0);
clangType = clangCtx.getObjCObjectPointerType(clangType);
return clangCtx.getCanonicalType(clangType);
}
static clang::CanQualType getClangVectorType(const clang::ASTContext &ctx,
clang::BuiltinType::Kind eltKind,
clang::VectorType::VectorKind vecKind,
StringRef numEltsString) {
unsigned numElts;
bool failedParse = numEltsString.getAsInteger<unsigned>(10, numElts);
assert(!failedParse && "vector type name didn't end in count?");
(void) failedParse;
auto eltTy = getClangBuiltinTypeFromKind(ctx, eltKind);
auto vecTy = ctx.getVectorType(eltTy, numElts, vecKind);
return ctx.getCanonicalType(vecTy);
}