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Posted to commits@groovy.apache.org by pa...@apache.org on 2018/11/16 10:50:16 UTC
[2/2] groovy git commit: GROOVY-8881: Inner class - qualified "this"
reference cast exception inside 2 or more closures
GROOVY-8881: Inner class - qualified "this" reference cast exception inside 2 or more closures
Project: http://git-wip-us.apache.org/repos/asf/groovy/repo
Commit: http://git-wip-us.apache.org/repos/asf/groovy/commit/4912730b
Tree: http://git-wip-us.apache.org/repos/asf/groovy/tree/4912730b
Diff: http://git-wip-us.apache.org/repos/asf/groovy/diff/4912730b
Branch: refs/heads/GROOVY_2_5_X
Commit: 4912730ba1643644b989208e604195871da37e49
Parents: eaae558
Author: Paul King <pa...@asert.com.au>
Authored: Fri Nov 16 20:49:09 2018 +1000
Committer: Paul King <pa...@asert.com.au>
Committed: Fri Nov 16 20:50:04 2018 +1000
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.../groovy/classgen/AsmClassGenerator.java | 4 ++
src/test/groovy/bugs/Groovy8881Bug.groovy | 47 ++++++++++++++++++++
2 files changed, 51 insertions(+)
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http://git-wip-us.apache.org/repos/asf/groovy/blob/4912730b/src/main/java/org/codehaus/groovy/classgen/AsmClassGenerator.java
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diff --git a/src/main/java/org/codehaus/groovy/classgen/AsmClassGenerator.java b/src/main/java/org/codehaus/groovy/classgen/AsmClassGenerator.java
index 5390614..cd200ff 100644
--- a/src/main/java/org/codehaus/groovy/classgen/AsmClassGenerator.java
+++ b/src/main/java/org/codehaus/groovy/classgen/AsmClassGenerator.java
@@ -1061,6 +1061,10 @@ public class AsmClassGenerator extends ClassGenerator {
iterType = iterType.getOuterClass();
if (thisField == null) {
// closure within inner class
+ while (iterType.isDerivedFrom(ClassHelper.CLOSURE_TYPE)) {
+ // GROOVY-8881: cater for closures within closures - getThisObject is already outer class of all closures
+ iterType = iterType.getOuterClass();
+ }
mv.visitMethodInsn(INVOKEVIRTUAL, BytecodeHelper.getClassInternalName(ClassHelper.CLOSURE_TYPE), "getThisObject", "()Ljava/lang/Object;", false);
mv.visitTypeInsn(CHECKCAST, BytecodeHelper.getClassInternalName(iterType));
} else {
http://git-wip-us.apache.org/repos/asf/groovy/blob/4912730b/src/test/groovy/bugs/Groovy8881Bug.groovy
----------------------------------------------------------------------
diff --git a/src/test/groovy/bugs/Groovy8881Bug.groovy b/src/test/groovy/bugs/Groovy8881Bug.groovy
new file mode 100644
index 0000000..0e1d2e2
--- /dev/null
+++ b/src/test/groovy/bugs/Groovy8881Bug.groovy
@@ -0,0 +1,47 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package groovy.bugs
+
+class Groovy8881Bug extends GroovyTestCase {
+ void testClosureWithinClosureInInnerClassReferencesThisCorrectly() {
+ assertScript '''
+ class OuterClass {
+ class InnerClass {
+ def innerMethod() {
+ Closure closureOne = {
+ Closure closureTwo = {
+ 'outer=' + OuterClass.this.class.name + ', inner=' + InnerClass.this.class.name
+ }
+ return closureTwo.call()
+ }
+ return closureOne.call()
+ }
+ }
+
+ void doit() {
+ assert new InnerClass().innerMethod() == 'outer=OuterClass, inner=OuterClass$InnerClass'
+ }
+
+ static void main(args) {
+ new OuterClass().doit()
+ }
+ }
+ '''
+ }
+}