C++ (Cpp) Sema::LazilyCreateBuiltin Examples

Example #1

File: SemaLookup.cpp Project: YabinHu/mlang

/// LookupBuiltin - Lookup for built-in functions
static bool LookupBuiltin(Sema &S, LookupResult &R) {
	Sema::LookupNameKind NameKind = R.getLookupKind();

	// If we didn't find a use of this identifier, and if the identifier
	// corresponds to a compiler builtin, create the defn object for the builtin
	// now, injecting it into system scope, and return it.
	if (NameKind == Sema::LookupOrdinaryName) {
		IdentifierInfo *II = R.getLookupName().getAsIdentifierInfo();
		if (II) {
			// If this is a builtin on this (or all) targets, create the defn.
			if (unsigned BuiltinID = II->getBuiltinID()) {
				if (NamedDefn *D = S.LazilyCreateBuiltin((IdentifierInfo *)II,
	                                                BuiltinID, S.BaseWorkspace,
	                                                /*R.isForRedeclaration()*/false,
	                                                R.getNameLoc())) {
					R.addDefn(D);
					return true;
				}

				//FIXME yabin
				// should i deal with this situation in gmat?
//				if (R.isForRedeclaration()) {
//					// If we're redeclaring this function anyway, forget that
//					// this was a builtin at all.
//					S.Context.BuiltinInfo.ForgetBuiltin(BuiltinID,
//							S.Context.Idents);
//				}

				return false;
			}
		}
	}

	return false;
}