When version 50 classes are read, javap should print StackMapTable attribute contents in a more readable format.

===============================
Test.java:
class Test {
  void runIt(int i) {
    if (i==0) { zeroTest(); }
  }
  void zeroTest() { }
}
    
> javac -target 6 Test.java
> javap -verbose Test | more
Compiled from "Test.java"
class Test extends java.lang.Object
  SourceFile: "Test.java"
  minor version: 0
  major version: 50
  Constant pool:
const #1 = Method #4.#15; // java/lang/Object."<init>":()V
const #2 = Method #3.#16; // Test.zeroTest:()V
const #3 = class #17; // Test
const #4 = class #18; // java/lang/Object
const #5 = Asciz <init>;
const #6 = Asciz ()V;
const #7 = Asciz Code;
const #8 = Asciz LineNumberTable;
const #9 = Asciz runIt;
const #10 = Asciz (I)V;
const #11 = Asciz StackMapTable;
const #12 = Asciz zeroTest;
const #13 = Asciz SourceFile;
const #14 = Asciz Test.java;
const #15 = NameAndType #5:#6;// "<init>":()V
const #16 = NameAndType #12:#6;// zeroTest:()V
const #17 = Asciz Test;
const #18 = Asciz java/lang/Object;

{
Test();
  Code:
   Stack=1, Locals=1, Args_size=1
   0: aload_0
   1: invokespecial #1; //Method java/lang/Object."<init>":()V
   4: return
  LineNumberTable:
   line 1: 0

void runIt(int);
  Code:
   Stack=1, Locals=2, Args_size=2
   0: iload_1
   1: ifne 8
   4: aload_0
   5: invokevirtual #2; //Method zeroTest:()V
   8: return
  LineNumberTable:
   line 3: 0
   line 4: 8
  StackMapTable: length = 0x3
   00 01 08

void zeroTest();
  Code:
   Stack=0, Locals=1, Args_size=1
   0: return
  LineNumberTable:
   line 6: 0

}

###@###.### 2005-05-16 23:15:24 GMT