[GR-68833] Fix impossible-redundant-condition warnings from Parfait.

alexjordan · matneu · commit 029d3119123a · 2025-10-13T21:32:05.000Z
PullRequest: graal/22324
diff --git a/compiler/src/jdk.graal.compiler.libgraal/src/jdk/graal/compiler/libgraal/LibGraalFeature.java b/compiler/src/jdk.graal.compiler.libgraal/src/jdk/graal/compiler/libgraal/LibGraalFeature.java
@@ -131,7 +131,7 @@ private static Path readLibgraalJavaHome(ClassLoader cl) {
                 throw new GraalError(cl.getClass().getName() + " does not support META-INF/libgraal.java.home protocol (see javadoc of HostedLibGraalClassLoader)");
             }
             return Path.of(new String(in.readAllBytes()));
-        } catch (IOException e) {
+        } catch (IOException e) { // Parfait_ALLOW impossible-redundant-condition (PARSEC-7191)
             throw new GraalError(e);
         }
     }
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/asm/amd64/AMD64BaseAssembler.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/asm/amd64/AMD64BaseAssembler.java
@@ -667,7 +667,7 @@ private void emitOperandHelper(int reg, AMD64Address addr, boolean force4Byte, i
                             int newDisp = disp / evexDisp8Scale;
                             if (isByte(newDisp)) {
                                 disp = newDisp;
-                                assert isByte(disp) && !overriddenForce4Byte : disp;
+                                assert isByte(disp) : disp;
                             }
                         } else {
                             overriddenForce4Byte = true;
@@ -703,7 +703,7 @@ private void emitOperandHelper(int reg, AMD64Address addr, boolean force4Byte, i
                             int newDisp = disp / evexDisp8Scale;
                             if (isByte(newDisp)) {
                                 disp = newDisp;
-                                assert isByte(disp) && !overriddenForce4Byte : disp;
+                                assert isByte(disp) : disp;
                             }
                         } else {
                             overriddenForce4Byte = true;
@@ -737,7 +737,7 @@ private void emitOperandHelper(int reg, AMD64Address addr, boolean force4Byte, i
                             int newDisp = disp / evexDisp8Scale;
                             if (isByte(newDisp)) {
                                 disp = newDisp;
-                                assert isByte(disp) && !overriddenForce4Byte : disp;
+                                assert isByte(disp) : disp;
                             }
                         } else {
                             overriddenForce4Byte = true;
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/graph/Graph.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/graph/Graph.java
@@ -898,7 +898,6 @@ public void close() {
                     cur = cur.next;
                 }
 
-                assert cur == listener : "Listener not found";
                 last.next = listener.next;
             }
 
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/lir/amd64/AMD64ConvertFloatToIntegerOp.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/lir/amd64/AMD64ConvertFloatToIntegerOp.java
@@ -134,7 +134,7 @@ public AMD64ConvertFloatToIntegerOp(LIRGeneratorTool tool, OpcodeEmitter opcodeE
     }
 
     private static boolean needZeroTmp(boolean canOverflow, boolean canBeNaN, Signedness signedness, AMD64SIMDInstructionEncoding encoding) {
-        return canOverflow || (signedness == Signedness.UNSIGNED && encoding == AMD64SIMDInstructionEncoding.EVEX && (canOverflow || canBeNaN));
+        return canOverflow || (signedness == Signedness.UNSIGNED && encoding == AMD64SIMDInstructionEncoding.EVEX && canBeNaN);
     }
 
     @Override
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/loop/phases/SpeculativeGuardMovementPhase.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/loop/phases/SpeculativeGuardMovementPhase.java
@@ -622,8 +622,6 @@ private OptimizedCompareTests shouldOptimizeCompare(CompareNode compare, Inducti
             if (l == null) {
                 return null;
             }
-            assert l != null : "Loop for guard anchor block must not be null:" + guardAnchorBlock.getBeginNode() + " loop " + iv.getLoop() + " inverted?" +
-                            isInverted(iv.getLoop());
             do {
                 if (!allowsSpeculativeGuardMovement(guard.getReason(), (LoopBeginNode) l.getHeader().getBeginNode(), true)) {
                     debug.log("shouldOptimizeCompare(%s):The guard would not hoist", guard);
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/nodes/FrameState.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/nodes/FrameState.java
@@ -611,7 +611,6 @@ public FrameState duplicateModified(StructuredGraph graph,
             }
         }
         if (newStackState == StackState.Rethrow && stackState != StackState.Rethrow && popKind == JavaKind.Void) {
-            assert popKind == JavaKind.Void : Assertions.errorMessage(popKind);
             copyStackSize = 0;
         } else {
             if (popKind != JavaKind.Void) {
diff --git a/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/replacements/classfile/ClassfileBytecodeProvider.java b/compiler/src/jdk.graal.compiler/src/jdk/graal/compiler/replacements/classfile/ClassfileBytecodeProvider.java
@@ -110,6 +110,7 @@ private synchronized Classfile getClassfile(Class<?> c) {
         if (classfile == null) {
             try {
                 ResolvedJavaType type = metaAccess.lookupJavaType(c);
+                // Parfait_ALLOW impossible-redundant-condition (Parfait bug PARSEC-7191)
                 try (InputStream in = GraalServices.getClassfileAsStream(c)) {
                     if (in != null) {
                         DataInputStream stream = new DataInputStream(in);
diff --git a/truffle/src/com.oracle.truffle.api.dsl/src/com/oracle/truffle/api/dsl/SpecializationStatistics.java b/truffle/src/com.oracle.truffle.api.dsl/src/com/oracle/truffle/api/dsl/SpecializationStatistics.java
@@ -406,6 +406,7 @@ void accept(EnabledNodeStatistics statistics) {
             }
             combinationSumStat.accept(combinationSum, sourceSection);
 
+            // Parfait_ALLOW impossible-redundant-condition
             if (nodeSum != 0) {
                 nodeStat.accept(nodeSum, sourceSection);
             }
diff --git a/truffle/src/com.oracle.truffle.api.instrumentation/src/com/oracle/truffle/api/instrumentation/EventBinding.java b/truffle/src/com.oracle.truffle.api.instrumentation/src/com/oracle/truffle/api/instrumentation/EventBinding.java
@@ -511,7 +511,7 @@ boolean isInstrumentedFull(Set<Class<?>> providedTags, RootNode rootNode, Node n
             if (!instrumentedLeaf || rootNode == null) {
                 return false;
             }
-            if (!isProbe || nearestSourceSections == null || isProbe && isNearestSection(nodeSourceSection)) {
+            if (!isProbe || nearestSourceSections == null || isNearestSection(nodeSourceSection)) {
                 return isInstrumentedRoot(providedTags, rootNode, rootNode.getSourceSection(), 0);
             }
             return false;
diff --git a/truffle/src/com.oracle.truffle.api.instrumentation/src/com/oracle/truffle/api/instrumentation/ProbeNode.java b/truffle/src/com.oracle.truffle.api.instrumentation/src/com/oracle/truffle/api/instrumentation/ProbeNode.java
@@ -718,7 +718,6 @@ ProbeNode findParentProbe() {
             } else if (node instanceof InstrumentableNode instrumentable) {
                 probe = instrumentable.findProbe();
                 if (probe != null && probe.eagerProbe && probe != this) {
-                    assert probe != this;
                     return probe;
                 }
             } else if (node instanceof RootNode) {
diff --git a/truffle/src/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/InteropLibrary.java b/truffle/src/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/InteropLibrary.java
@@ -5125,7 +5125,6 @@ public boolean isMetaObject(Object receiver) {
                 assert assertMetaObject(receiver);
             } else {
                 assert assertNoMetaObject(receiver);
-                assert !result || notOtherType(receiver, Type.META_OBJECT);
             }
             assert validProtocolReturn(receiver, result);
             return result;
diff --git a/truffle/src/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/TriePropertyMap.java b/truffle/src/com.oracle.truffle.api.object/src/com/oracle/truffle/api/object/TriePropertyMap.java
@@ -245,7 +245,7 @@ private TriePropertyMap copyAndPutImpl(Object key, Property value) {
                 newHead = newTail = newEntry;
             } else {
                 // inserting at the end
-                assert tail != null && head != null;
+                assert head != null;
                 Object tailKey = tail.getKey();
                 newEntry = new LinkedPropertyEntry(value, tailKey, null);
                 // old tail needs to point to the new key
diff --git a/truffle/src/com.oracle.truffle.api.strings/src/com/oracle/truffle/api/strings/TruffleString.java b/truffle/src/com.oracle.truffle.api.strings/src/com/oracle/truffle/api/strings/TruffleString.java
@@ -3167,8 +3167,7 @@ final int calculateHash(AbstractTruffleString a, Encoding expectedEncoding,
         static int maskZero(int rawHashCode) {
             int h = rawHashCode;
             if (h == 0) {
-                h--;
-                assert h == MASKED_ZERO_HASH_CODE;
+                h = MASKED_ZERO_HASH_CODE;
             }
             return h;
         }
diff --git a/truffle/src/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java b/truffle/src/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java
@@ -790,9 +790,7 @@ private ExecutableNode getExecutableNode() {
             }
             node = node.getParent();
         }
-        if (node == null) {
-            checkAdoptable();
-        }
+        checkAdoptable();
         return null;
     }
 
diff --git a/truffle/src/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/bytecode/parser/BytecodeDSLParser.java b/truffle/src/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/bytecode/parser/BytecodeDSLParser.java
@@ -1273,61 +1273,59 @@ private List<QuickenDecision> parseForceQuickenings(BytecodeDSLModel model) {
                 continue;
             }
             Set<Element> processedElements = new HashSet<>();
-            if (node != null) {
-                // order map for determinism
-                Map<String, Set<SpecializationData>> grouping = new LinkedHashMap<>();
-                for (SpecializationData specialization : node.getSpecializations()) {
-                    if (specialization.getMethod() == null) {
-                        continue;
-                    }
-                    ExecutableElement method = specialization.getMethod();
-                    processedElements.add(method);
+            // order map for determinism
+            Map<String, Set<SpecializationData>> grouping = new LinkedHashMap<>();
+            for (SpecializationData specialization : node.getSpecializations()) {
+                if (specialization.getMethod() == null) {
+                    continue;
+                }
+                ExecutableElement method = specialization.getMethod();
+                processedElements.add(method);
 
-                    Map<String, List<SpecializationData>> seenNames = new LinkedHashMap<>();
-                    for (AnnotationMirror forceQuickening : ElementUtils.getRepeatedAnnotation(method.getAnnotationMirrors(), types.ForceQuickening)) {
-                        String name = ElementUtils.getAnnotationValue(String.class, forceQuickening, "value", false);
+                Map<String, List<SpecializationData>> seenNames = new LinkedHashMap<>();
+                for (AnnotationMirror forceQuickening : ElementUtils.getRepeatedAnnotation(method.getAnnotationMirrors(), types.ForceQuickening)) {
+                    String name = ElementUtils.getAnnotationValue(String.class, forceQuickening, "value", false);
 
-                        if (!model.enableQuickening) {
-                            model.addError(method, "Cannot use @%s if quickening is not enabled for @%s. Enable quickening in @%s to resolve this.", ElementUtils.getSimpleName(types.ForceQuickening),
-                                            ElementUtils.getSimpleName(types.GenerateBytecode), ElementUtils.getSimpleName(types.ForceQuickening));
-                            break;
-                        }
-
-                        if (name == null) {
-                            name = "";
-                        } else if (name.equals("")) {
-                            model.addError(method, "Identifier for @%s must not be an empty string.", ElementUtils.getSimpleName(types.ForceQuickening));
-                            continue;
-                        }
+                    if (!model.enableQuickening) {
+                        model.addError(method, "Cannot use @%s if quickening is not enabled for @%s. Enable quickening in @%s to resolve this.", ElementUtils.getSimpleName(types.ForceQuickening),
+                                        ElementUtils.getSimpleName(types.GenerateBytecode), ElementUtils.getSimpleName(types.ForceQuickening));
+                        break;
+                    }
 
-                        seenNames.computeIfAbsent(name, (v) -> new ArrayList<>()).add(specialization);
-                        grouping.computeIfAbsent(name, (v) -> new LinkedHashSet<>()).add(specialization);
+                    if (name == null) {
+                        name = "";
+                    } else if (name.equals("")) {
+                        model.addError(method, "Identifier for @%s must not be an empty string.", ElementUtils.getSimpleName(types.ForceQuickening));
+                        continue;
                     }
 
-                    for (var entry : seenNames.entrySet()) {
-                        if (entry.getValue().size() > 1) {
-                            model.addError(method, "Multiple @%s with the same value are not allowed for one specialization.", ElementUtils.getSimpleName(types.ForceQuickening));
-                            break;
-                        }
+                    seenNames.computeIfAbsent(name, (v) -> new ArrayList<>()).add(specialization);
+                    grouping.computeIfAbsent(name, (v) -> new LinkedHashSet<>()).add(specialization);
+                }
+
+                for (var entry : seenNames.entrySet()) {
+                    if (entry.getValue().size() > 1) {
+                        model.addError(method, "Multiple @%s with the same value are not allowed for one specialization.", ElementUtils.getSimpleName(types.ForceQuickening));
+                        break;
                     }
                 }
+            }
 
-                for (var entry : grouping.entrySet()) {
-                    if (entry.getKey().equals("")) {
-                        for (SpecializationData specialization : entry.getValue()) {
-                            decisions.add(new QuickenDecision(operation, Set.of(specialization)));
-                        }
-                    } else {
-                        if (entry.getValue().size() == 1) {
-                            SpecializationData s = entry.getValue().iterator().next();
-                            model.addError(s.getMethod(), "@%s with name '%s' does only match a single quickening, but must match more than one. " +
-                                            "Specify additional quickenings with the same name or remove the value from the annotation to resolve this.",
-                                            ElementUtils.getSimpleName(types.ForceQuickening),
-                                            entry.getKey());
-                            continue;
-                        }
-                        decisions.add(new QuickenDecision(operation, entry.getValue()));
+            for (var entry : grouping.entrySet()) {
+                if (entry.getKey().equals("")) {
+                    for (SpecializationData specialization : entry.getValue()) {
+                        decisions.add(new QuickenDecision(operation, Set.of(specialization)));
+                    }
+                } else {
+                    if (entry.getValue().size() == 1) {
+                        SpecializationData s = entry.getValue().iterator().next();
+                        model.addError(s.getMethod(), "@%s with name '%s' does only match a single quickening, but must match more than one. " +
+                                        "Specify additional quickenings with the same name or remove the value from the annotation to resolve this.",
+                                        ElementUtils.getSimpleName(types.ForceQuickening),
+                                        entry.getKey());
+                        continue;
                     }
+                    decisions.add(new QuickenDecision(operation, entry.getValue()));
                 }
             }
 
diff --git a/truffle/src/com.oracle.truffle.host/src/com/oracle/truffle/host/HostExecuteNode.java b/truffle/src/com.oracle.truffle.host/src/com/oracle/truffle/host/HostExecuteNode.java
@@ -166,7 +166,6 @@ static Object doVarArgs(Node node, SingleMethod method, Object obj, Object[] arg
                             null, hostContext, HostToTypeNode.COERCE,
                             varArgsMappingInterop, varArgsMappingNode);
         } else {
-            assert args.length != parameterCount;
             asVarArgs = true;
         }
         int minArity = parameterCount - 1;
@@ -514,7 +513,6 @@ static boolean asVarArgs(Object[] args, SingleMethod overload, HostContext hostC
                                 null, hostContext, HostToTypeNode.COERCE,
                                 InteropLibrary.getFactory().getUncached(), HostTargetMappingNode.getUncached());
             } else {
-                assert args.length != parameterCount;
                 return true;
             }
         } else {
diff --git a/truffle/src/com.oracle.truffle.host/src/com/oracle/truffle/host/HostMethodScope.java b/truffle/src/com.oracle.truffle.host/src/com/oracle/truffle/host/HostMethodScope.java
@@ -245,7 +245,6 @@ Object send(Message message, Object[] args,
                                 "Avoid accessing scoped objects after their corresponding method has finished execution. " +
                                 "Alternatively, use Value.pin() to prevent a scoped object from being released after the host call completed.");
             }
-            assert d != null : "delegate must not be null here";
             Object returnValue = library.send(d, message, args);
             if (message.getReturnType() == Object.class && !(d instanceof PinnedObject)) {
                 /*
diff --git a/truffle/src/com.oracle.truffle.polyglot/src/com/oracle/truffle/polyglot/PolyglotEngineImpl.java b/truffle/src/com.oracle.truffle.polyglot/src/com/oracle/truffle/polyglot/PolyglotEngineImpl.java
@@ -1621,6 +1621,7 @@ static boolean cancelOrExitOrInterrupt(PolyglotContextImpl context, List<Future<
             for (Future<Void> future : futures) {
                 boolean timedOut = false;
                 try {
+                    // Parfait_ALLOW impossible-redundant-condition
                     if (timeout != null && timeout != Duration.ZERO) {
                         long timeElapsed = System.currentTimeMillis() - startMillis;
                         long timeoutMillis = timeout.toMillis();
diff --git a/truffle/src/com.oracle.truffle.runtime/src/com/oracle/truffle/runtime/OptimizedCallTarget.java b/truffle/src/com.oracle.truffle.runtime/src/com/oracle/truffle/runtime/OptimizedCallTarget.java
@@ -1162,7 +1162,7 @@ public boolean cancelCompilation(CharSequence reason) {
 
         CompilationTask task = this.compilationTask;
         if (task != null && cancelAndResetCompilationTask()) {
-            runtime().getListener().onCompilationDequeued(this, null, reason, task != null ? task.tier() : 0);
+            runtime().getListener().onCompilationDequeued(this, null, reason, task.tier());
             return true;
         }
         return false;
diff --git a/truffle/src/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLStackTraceBuiltin.java b/truffle/src/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLStackTraceBuiltin.java
@@ -112,7 +112,7 @@ public Integer visitFrame(FrameInstance frameInstance) {
                         Object value = values[i];
                         if (value != null) {
                             str.appendStringUncached(SEPARATOR);
-                            str.appendStringUncached(slotName == null ? UNKNOWN : slotName);
+                            str.appendStringUncached(slotName);
                             str.appendStringUncached(EQUALS);
                             str.appendStringUncached(SLStrings.fromObject(value));
                         }

Original file line number	Diff line number	Diff line change
`@@ -131,7 +131,7 @@ private static Path readLibgraalJavaHome(ClassLoader cl) {`
`131`	`131`	`throw new GraalError(cl.getClass().getName() + " does not support META-INF/libgraal.java.home protocol (see javadoc of HostedLibGraalClassLoader)");`
`132`	`132`	`}`
`133`	`133`	`return Path.of(new String(in.readAllBytes()));`
`134`		`- } catch (IOException e) {`
	`134`	`+ } catch (IOException e) { // Parfait_ALLOW impossible-redundant-condition (PARSEC-7191)`
`135`	`135`	`throw new GraalError(e);`
`136`	`136`	`}`
`137`	`137`	`}`
Original file line number	Diff line number	Diff line change
`@@ -898,7 +898,6 @@ public void close() {`
`898`	`898`	`cur = cur.next;`
`899`	`899`	`}`
`900`	`900`
`901`		`- assert cur == listener : "Listener not found";`
`902`	`901`	`last.next = listener.next;`
`903`	`902`	`}`
`904`	`903`
Original file line number	Diff line number	Diff line change
`@@ -134,7 +134,7 @@ public AMD64ConvertFloatToIntegerOp(LIRGeneratorTool tool, OpcodeEmitter opcodeE`
`134`	`134`	`}`
`135`	`135`
`136`	`136`	`private static boolean needZeroTmp(boolean canOverflow, boolean canBeNaN, Signedness signedness, AMD64SIMDInstructionEncoding encoding) {`
`137`		`- return canOverflow \|\| (signedness == Signedness.UNSIGNED && encoding == AMD64SIMDInstructionEncoding.EVEX && (canOverflow \|\| canBeNaN));`
	`137`	`+ return canOverflow \|\| (signedness == Signedness.UNSIGNED && encoding == AMD64SIMDInstructionEncoding.EVEX && canBeNaN);`
`138`	`138`	`}`
`139`	`139`
`140`	`140`	`@Override`
Original file line number	Diff line number	Diff line change
`@@ -622,8 +622,6 @@ private OptimizedCompareTests shouldOptimizeCompare(CompareNode compare, Inducti`
`622`	`622`	`if (l == null) {`
`623`	`623`	`return null;`
`624`	`624`	`}`
`625`		`- assert l != null : "Loop for guard anchor block must not be null:" + guardAnchorBlock.getBeginNode() + " loop " + iv.getLoop() + " inverted?" +`
`626`		`- isInverted(iv.getLoop());`
`627`	`625`	`do {`
`628`	`626`	`if (!allowsSpeculativeGuardMovement(guard.getReason(), (LoopBeginNode) l.getHeader().getBeginNode(), true)) {`
`629`	`627`	`debug.log("shouldOptimizeCompare(%s):The guard would not hoist", guard);`
Original file line number	Diff line number	Diff line change
`@@ -611,7 +611,6 @@ public FrameState duplicateModified(StructuredGraph graph,`
`611`	`611`	`}`
`612`	`612`	`}`
`613`	`613`	`if (newStackState == StackState.Rethrow && stackState != StackState.Rethrow && popKind == JavaKind.Void) {`
`614`		`- assert popKind == JavaKind.Void : Assertions.errorMessage(popKind);`
`615`	`614`	`copyStackSize = 0;`
`616`	`615`	`} else {`
`617`	`616`	`if (popKind != JavaKind.Void) {`
Original file line number	Diff line number	Diff line change
`@@ -406,6 +406,7 @@ void accept(EnabledNodeStatistics statistics) {`
`406`	`406`	`}`
`407`	`407`	`combinationSumStat.accept(combinationSum, sourceSection);`
`408`	`408`
	`409`	`+ // Parfait_ALLOW impossible-redundant-condition`
`409`	`410`	`if (nodeSum != 0) {`
`410`	`411`	`nodeStat.accept(nodeSum, sourceSection);`
`411`	`412`	`}`
Original file line number	Diff line number	Diff line change
`@@ -511,7 +511,7 @@ boolean isInstrumentedFull(Set<Class<?>> providedTags, RootNode rootNode, Node n`
`511`	`511`	`if (!instrumentedLeaf \|\| rootNode == null) {`
`512`	`512`	`return false;`
`513`	`513`	`}`
`514`		`- if (!isProbe \|\| nearestSourceSections == null \|\| isProbe && isNearestSection(nodeSourceSection)) {`
	`514`	`+ if (!isProbe \|\| nearestSourceSections == null \|\| isNearestSection(nodeSourceSection)) {`
`515`	`515`	`return isInstrumentedRoot(providedTags, rootNode, rootNode.getSourceSection(), 0);`
`516`	`516`	`}`
`517`	`517`	`return false;`
Original file line number	Diff line number	Diff line change
`@@ -718,7 +718,6 @@ ProbeNode findParentProbe() {`
`718`	`718`	`} else if (node instanceof InstrumentableNode instrumentable) {`
`719`	`719`	`probe = instrumentable.findProbe();`
`720`	`720`	`if (probe != null && probe.eagerProbe && probe != this) {`
`721`		`- assert probe != this;`
`722`	`721`	`return probe;`
`723`	`722`	`}`
`724`	`723`	`} else if (node instanceof RootNode) {`