[GR-61178] Adopt new StackValue API

graalpython/com.oracle.graal.python.test/src/tests/test_compare-multiple.py

@@ -1,4 +1,4 @@
-# Copyright (c) 2018, 2021, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2018, 2026, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # The Universal Permissive License (UPL), Version 1.0
@@ -47,3 +47,11 @@ def foo():
 def test_cmp_multiple():
     assert not (11 == 12 == foo() == 11)
     assert a == 10
+
+def test_cmp_multiple_is_none():
+    x = None
+    assert x is None is x
+
+def test_cmp_multiple_is_not_none():
+    x = object()
+    assert x is not None is not x

graalpython/com.oracle.graal.python.test/src/tests/test_patmat.py

@@ -265,6 +265,29 @@ def test_multiple_or_pattern_creates_locals():
     assert y == 6
 
 
+def test_multiline_pattern_bindings():
+    def sequence(value):
+        match value:
+            case (
+                x,
+                y,
+            ):
+                return x + y
+
+    def alternatives(value):
+        match value:
+            case (
+            [x]
+            | {"x": x}
+            ):
+                return x
+
+    assert sequence((20, 22)) == 42
+    assert alternatives([42]) == 42
+    assert alternatives({"x": 43}) == 43
+
+
+
 class TestErrors(unittest.TestCase):
     def assert_syntax_error(self, code: str):
         with self.assertRaises(SyntaxError):

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/compiler/bytecode_dsl/BaseBytecodeDSLVisitor.java

@@ -54,12 +54,12 @@
 import com.oracle.graal.python.pegparser.sst.SSTreeVisitor;
 import com.oracle.graal.python.pegparser.sst.StmtTy;
 import com.oracle.graal.python.pegparser.sst.TypeIgnoreTy.TypeIgnore;
+import com.oracle.graal.python.pegparser.sst.TypeParamTy;
 import com.oracle.graal.python.pegparser.sst.WithItemTy;
 
 /**
- * This interface provides default implementations of all {@code SSTreeVisitor} methods, which makes
- * it easier to incrementally add support to the Bytecode DSL compiler. Once the compiler is stable,
- * this interface should be removed.
+ * This interface provides default throwing implementations of all {@code SSTreeVisitor} methods.
+ * It is useful for visitors that only support a subset of {@code SSTNode}s.
  */
 public interface BaseBytecodeDSLVisitor<T> extends SSTreeVisitor<T> {
 
@@ -510,4 +510,20 @@ default T visit(StmtTy.Pass node) {
     default T visit(TypeIgnore node) {
         return defaultValue(node);
     }
+
+    default T visit(StmtTy.TypeAlias node) {
+        return defaultValue(node);
+    }
+
+    default T visit(TypeParamTy.TypeVar node) {
+        return defaultValue(node);
+    }
+
+    default T visit(TypeParamTy.ParamSpec node) {
+        return defaultValue(node);
+    }
+
+    default T visit(TypeParamTy.TypeVarTuple node) {
+        return defaultValue(node);
+    }
 }