aaron/ispc
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[WIP] typechecking for casts to polymorphic types

Browse Source
This commit is contained in:
Aaron Gutierrez
2017-04-29 15:56:43 -04:00
parent 148c333943
commit 0887760de1
1 changed files with 16 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
expr.cpp
View File

@@ -276,6 +276,8 @@ lDoTypeConv(const Type *fromType, const Type *toType, Expr **expr,
const AtomicType *fromAtomicType = CastType<AtomicType>(fromType); const AtomicType *fromAtomicType = CastType<AtomicType>(fromType);
const PointerType *fromPointerType = CastType<PointerType>(fromType); const PointerType *fromPointerType = CastType<PointerType>(fromType);
const PointerType *toPointerType = CastType<PointerType>(toType); const PointerType *toPointerType = CastType<PointerType>(toType);
const PolyType *fromPolyType = CastType<PolyType>(fromType);
const PolyType *toPolyType = CastType<PolyType>(toType);
// Do this early, since for the case of a conversion like // Do this early, since for the case of a conversion like
// "float foo[10]" -> "float * uniform foo", we have what's seemingly // "float foo[10]" -> "float * uniform foo", we have what's seemingly
@@ -544,6 +546,20 @@ lDoTypeConv(const Type *fromType, const Type *toType, Expr **expr,
goto typecast_ok; goto typecast_ok;
} }
// atomic -> polymorphic
if ((fromAtomicType || fromPolyType) && toPolyType) {
if (toPolyType->CanBeType(fromType)) {
goto typecast_ok;
} else {
if (!failureOk) {
Error(pos, "Can't convert between \"%s\" and polymorphic type "
"\"%s\" for %s", fromType->GetString().c_str(),
toPolyType->GetString().c_str(), errorMsgBase);
}
}
}
// from here on out, the from type can only be atomic something or // from here on out, the from type can only be atomic something or
// other... // other...
if (fromAtomicType == NULL) { if (fromAtomicType == NULL) {