[GR-71886] Partial implementation of CremaPartialType.sameRuntimePackage

PullRequest: graal/22808

Author: gilles-duboscq

espresso-shared/src/com.oracle.truffle.espresso.classfile/src/com/oracle/truffle/espresso/classfile/descriptors/TypeSymbols.java

@@ -454,7 +454,11 @@ public static Symbol<Name> toClassNameEntry(Symbol<Type> type, ParserConstantPoo
         return symbolify.apply(className);
     }
 
-    public static ByteSequence getRuntimePackage(ByteSequence symbol) {
+    public static ByteSequence getRuntimePackage(Symbol<Type> symbol) {
+        return TypeSymbols.getRuntimePackage((ByteSequence) symbol);
+    }
+
+    private static ByteSequence getRuntimePackage(ByteSequence symbol) {
         if (symbol.byteAt(0) == '[') {
             int arrayDimensions = getArrayDimensions(symbol);
             return getRuntimePackage(symbol.subSequence(arrayDimensions));

substratevm/src/com.oracle.svm.interpreter/src/com/oracle/svm/interpreter/CremaSupportImpl.java

@@ -746,7 +746,9 @@ public List<CremaPartialMethod> getDeclaredMethodsList() {
         @Override
         public boolean sameRuntimePackage(InterpreterResolvedJavaType otherType) {
             // GR-62339 runtime packages
-            return false;
+            ByteSequence thisRuntimePackage = TypeSymbols.getRuntimePackage(parserKlass.getType());
+            Symbol<Name> thatRuntimePackage = otherType.getSymbolicRuntimePackage();
+            return thisRuntimePackage.equals(thatRuntimePackage);
         }
 
         @Override