Fix: transform exception in ctx_Float_AsDouble and ctxFloatAsDouble

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/hpy/GraalHPyContext.java

@@ -1452,9 +1452,13 @@ public final double ctxFloatAsDouble(long handle) {
             return GraalHPyBoxing.unboxInt(handle);
         } else {
             Object object = getObjectForHPyHandle(GraalHPyBoxing.unboxHandle(handle)).getDelegate();
-            return PyFloatAsDoubleNodeGen.getUncached().execute(null, object);
+            try {
+                return PyFloatAsDoubleNodeGen.getUncached().execute(null, object);
+            } catch (PException e) {
+                HPyTransformExceptionToNativeNodeGen.getUncached().execute(this, e);
+                return -1.0;
+            }
         }
-
     }
 
     public final long ctxLongAsLong(long handle) {

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/hpy/GraalHPyContextFunctions.java

@@ -872,6 +872,7 @@ Object execute(Object[] arguments,
                         @Cached HPyAsHandleNode asHandleNode) throws ArityException {
             checkArity(arguments, 2);
             GraalHPyContext context = asContextNode.execute(arguments[0]);
+            // note: node 'CastToJavaDoubleNode' cannot throw a PException
             double value = castToJavaDoubleNode.execute(arguments[1]);
             return asHandleNode.execute(context, value);
         }
@@ -884,10 +885,16 @@ public static final class GraalHPyFloatAsDouble extends GraalHPyContextFunction
         Object execute(Object[] arguments,
                         @Cached HPyAsContextNode asContextNode,
                         @Cached HPyAsPythonObjectNode asPythonObjectNode,
-                        @Cached PyFloatAsDoubleNode asDoubleNode) throws ArityException {
+                        @Cached PyFloatAsDoubleNode asDoubleNode,
+                        @Cached HPyTransformExceptionToNativeNode transformExceptionToNativeNode) throws ArityException {
             checkArity(arguments, 2);
             GraalHPyContext context = asContextNode.execute(arguments[0]);
-            return asDoubleNode.execute(null, asPythonObjectNode.execute(context, arguments[1]));
+            try {
+                return asDoubleNode.execute(null, asPythonObjectNode.execute(context, arguments[1]));
+            } catch (PException e) {
+                transformExceptionToNativeNode.execute(context, e);
+                return -1.0;
+            }
         }
     }