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fixes JASSIST-255 Primitive array return values cause invalid cast to Object

tags/rel_3_21_0-java9-ea
chibash 8 år sedan
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4cf21faf54

+ 1
- 1
Readme.html Visa fil

@@ -283,7 +283,7 @@ see javassist.Dump.

<p>-version 3.21
<ul>
<li>JIRA JASSIST-244, 248
<li>JIRA JASSIST-244, 248, 255
</ul>
</p>


+ 2
- 1
src/main/javassist/compiler/CodeGen.java Visa fil

@@ -1420,12 +1420,13 @@ public abstract class CodeGen extends Visitor implements Opcode, TokenId {
int type = expr.getType();
oprand.accept(this);
int srcType = exprType;
int srcDim = arrayDim;
if (invalidDim(srcType, arrayDim, className, type, dim, name, true)
|| srcType == VOID || type == VOID)
throw new CompileError(msg);

if (type == CLASS) {
if (!isRefType(srcType))
if (!isRefType(srcType) && srcDim == 0)
throw new CompileError(msg);

return toJvmArrayName(name, dim);

+ 7
- 0
src/test/javassist/JvstTest5.java Visa fil

@@ -135,4 +135,11 @@ public class JvstTest5 extends JvstTestRoot {
Object obj = make(cc.getName());
assertEquals(40271, invoke(obj, "run"));
}

public void testInvalidCastWithDollar() throws Exception {
String code = "{ new JavassistInvalidCastTest().inspectReturn((Object) ($w) $_); } ";
CtClass c = sloader.get("test5.InvalidCastDollar");
for (CtMethod method : c.getDeclaredMethods())
method.insertAfter(code);
}
}

+ 11
- 0
src/test/test5/InvalidCastDollar.java Visa fil

@@ -0,0 +1,11 @@
package test5;

public class InvalidCastDollar {
public static byte[] arrayReturn() {
return new byte[12];
}

public static int intReturn() {
return 23;
}
}

+ 1
- 1
tutorial/tutorial2.html Visa fil

@@ -481,7 +481,7 @@ compiled code at the end of the method. In the statement given to
available.

<p>The variable <code>$_</code> represents the resulting value of the
method. So it is a write-only variable.
method.
The type of that variable is the type of the result type (the
return type) of the method. If the result type is <code>void</code>,
then the type of <code>$_</code> is <code>Object</code> and the value

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