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authorchiba <chiba@30ef5769-5b8d-40dd-aea6-55b5d6557bb3>2012-11-04 13:51:12 +0000
committerchiba <chiba@30ef5769-5b8d-40dd-aea6-55b5d6557bb3>2012-11-04 13:51:12 +0000
commit4453e36043b556dabbf22662904f7985a76bb445 (patch)
tree6355ae32f1ed69d20c08dfb75df99488add9e129 /src
parenta904f21c6dead5d668205119241bc4206d70d064 (diff)
downloadjavassist-4453e36043b556dabbf22662904f7985a76bb445.tar.gz
javassist-4453e36043b556dabbf22662904f7985a76bb445.zip
fixed JASSIST-176
git-svn-id: http://anonsvn.jboss.org/repos/javassist/trunk@677 30ef5769-5b8d-40dd-aea6-55b5d6557bb3
Diffstat (limited to 'src')
-rw-r--r--src/main/javassist/bytecode/stackmap/TypeData.java15
-rw-r--r--src/test/javassist/bytecode/StackMapTest.java72
2 files changed, 83 insertions, 4 deletions
diff --git a/src/main/javassist/bytecode/stackmap/TypeData.java b/src/main/javassist/bytecode/stackmap/TypeData.java
index e45fee0e..363aa241 100644
--- a/src/main/javassist/bytecode/stackmap/TypeData.java
+++ b/src/main/javassist/bytecode/stackmap/TypeData.java
@@ -388,17 +388,24 @@ public abstract class TypeData {
* by considering array types.
*/
public static CtClass commonSuperClassEx(CtClass one, CtClass two) throws NotFoundException {
- if (one.isArray() && two.isArray()) {
+ if (one == two)
+ return one;
+ else if (one.isArray() && two.isArray()) {
CtClass ele1 = one.getComponentType();
CtClass ele2 = two.getComponentType();
- CtClass element = commonSuperClassEx(ele1, ele2);
+ CtClass element = commonSuperClassEx(ele1, ele2);
if (element == ele1)
return one;
else if (element == ele2)
return two;
-
- return one.getClassPool().get(element.getName() + "[]");
+ else
+ return one.getClassPool().get(element == null ? "java.lang.Object"
+ : element.getName() + "[]");
}
+ else if (one.isPrimitive() || two.isPrimitive())
+ return null; // TOP
+ else if (one.isArray() || two.isArray()) // but !(one.isArray() && two.isArray())
+ return one.getClassPool().get("java.lang.Object");
else
return commonSuperClass(one, two);
}
diff --git a/src/test/javassist/bytecode/StackMapTest.java b/src/test/javassist/bytecode/StackMapTest.java
index 0fdcf2cd..c3be2231 100644
--- a/src/test/javassist/bytecode/StackMapTest.java
+++ b/src/test/javassist/bytecode/StackMapTest.java
@@ -707,6 +707,78 @@ public class StackMapTest extends TestCase {
}
}
+ public void testForHibernate() throws Exception {
+ ClassFile cf = loader.makeClass("javassist.bytecode.StackMapTestHibTest").getClassFile();
+ ConstPool cp = cf.getConstPool();
+ MethodInfo mi = new MethodInfo(cp, "foo", "()V");
+ Bytecode code = new Bytecode(cp, 0, 0);
+ code.add(Opcode.RETURN);
+ CodeAttribute ca = code.toCodeAttribute();
+ mi.addAttribute(ca);
+ cf.addMethod(mi);
+
+ int pc = 111;
+ int throwableType_index = cp.addClassInfo(Throwable.class.getName());
+
+ StackMapTable.Writer writer = new StackMapTable.Writer(32);
+ int[] localTags = { StackMapTable.OBJECT, StackMapTable.OBJECT, StackMapTable.OBJECT, StackMapTable.INTEGER };
+ int[] localData = { cp.getThisClassInfo(), cp.addClassInfo("java/lang/Object"),
+ cp.addClassInfo("[Ljava/lang/Object;"), 0};
+ int[] stackTags = { StackMapTable.OBJECT };
+ int[] stackData = { throwableType_index };
+ writer.fullFrame(pc, localTags, localData, stackTags, stackData);
+
+ ca.setAttribute(writer.toStackMapTable(cp));
+ cf.write(new java.io.DataOutputStream(new java.io.FileOutputStream("./test-hibernate.class")));
+ }
+
+ public void testCommonSuperclass() throws Exception {
+ CtClass obj = loader.get("java.lang.Object");
+ CtClass objarray = loader.get("java.lang.Object[]");
+
+ CtClass one = loader.get("byte[]");
+ CtClass two = loader.get("byte[][]");
+ assertEquals("java.lang.Object", TypeData.commonSuperClassEx(one, two).getName());
+ assertTrue(one.subtypeOf(obj));
+ assertTrue(two.subtypeOf(obj));
+ assertFalse(one.subtypeOf(objarray));
+ assertTrue(two.subtypeOf(objarray));
+
+ one = loader.get("int[][]");
+ two = loader.get("java.lang.Object[]");
+ assertEquals("java.lang.Object[]", TypeData.commonSuperClassEx(one, two).getName());
+ assertTrue(one.subtypeOf(objarray));
+ assertTrue(two.subtypeOf(objarray));
+
+ one = loader.get("int[]");
+ two = loader.get("java.lang.String");
+ assertEquals("java.lang.Object", TypeData.commonSuperClassEx(one, two).getName());
+ assertTrue(one.subtypeOf(obj));
+ assertTrue(two.subtypeOf(obj));
+ assertFalse(one.subtypeOf(objarray));
+ assertFalse(two.subtypeOf(objarray));
+
+ one = loader.get("int[]");
+ two = loader.get("int[]");
+ assertEquals("int[]", TypeData.commonSuperClassEx(one, two).getName());
+ assertTrue(one.subtypeOf(obj));
+ assertFalse(one.subtypeOf(objarray));
+
+ one = loader.get("int[]");
+ two = loader.get("java.lang.String[]");
+ assertEquals("java.lang.Object", TypeData.commonSuperClassEx(one, two).getName());
+ assertTrue(one.subtypeOf(obj));
+ assertTrue(two.subtypeOf(obj));
+ assertFalse(one.subtypeOf(objarray));
+ assertTrue(two.subtypeOf(objarray));
+
+ one = loader.get("java.lang.String[]");
+ two = loader.get("java.lang.Class[]");
+ assertEquals("java.lang.Object[]", TypeData.commonSuperClassEx(one, two).getName());
+ assertTrue(one.subtypeOf(objarray));
+ assertTrue(two.subtypeOf(objarray));
+ }
+
public void tstCtClassType() throws Exception {
ClassPool cp = ClassPool.getDefault();
CtClass cc = cp.get("javassist.CtClassType");