Mercurial > jdk8-mips64-public > langtools / file diff

     1.1 --- a/src/share/classes/com/sun/tools/classfile/Code_attribute.java	Wed Mar 25 10:29:28 2009 +0000
     1.2 +++ b/src/share/classes/com/sun/tools/classfile/Code_attribute.java	Mon Mar 30 15:08:09 2009 -0700
     1.3 @@ -26,6 +26,8 @@
     1.4  package com.sun.tools.classfile;
     1.5  
     1.6  import java.io.IOException;
     1.7 +import java.util.Iterator;
     1.8 +import java.util.NoSuchElementException;
     1.9  
    1.10  /**
    1.11   * See JVMS3, section 4.8.3.
    1.12 @@ -100,6 +102,39 @@
    1.13          return visitor.visitCode(this, data);
    1.14      }
    1.15  
    1.16 +    public Iterable<Instruction> getInstructions() {
    1.17 +        return new Iterable<Instruction>() {
    1.18 +            public Iterator<Instruction> iterator() {
    1.19 +                return new Iterator<Instruction>() {
    1.20 +
    1.21 +                    public boolean hasNext() {
    1.22 +                        return (next != null);
    1.23 +                    }
    1.24 +
    1.25 +                    public Instruction next() {
    1.26 +                        if (next == null)
    1.27 +                            throw new NoSuchElementException();
    1.28 +
    1.29 +                        current = next;
    1.30 +                        pc += current.length();
    1.31 +                        next = (pc < code.length ? new Instruction(code, pc) : null);
    1.32 +                        return current;
    1.33 +                    }
    1.34 +
    1.35 +                    public void remove() {
    1.36 +                        throw new UnsupportedOperationException("Not supported.");
    1.37 +                    }
    1.38 +
    1.39 +                    Instruction current = null;
    1.40 +                    int pc = 0;
    1.41 +                    Instruction next = new Instruction(code, pc);
    1.42 +
    1.43 +                };
    1.44 +            }
    1.45 +
    1.46 +        };
    1.47 +    }
    1.48 +
    1.49      public final int max_stack;
    1.50      public final int max_locals;
    1.51      public final int code_length;