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@ -62,13 +62,26 @@ public class GrowableConstantPool extends ConstantPool { |
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if (index != null) |
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return index.intValue(); |
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int newIndex = count; |
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grow(count+(tag == DOUBLE || tag == LONG ? 2 : 1)); |
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grow(count + 1); |
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tags[newIndex] = tag; |
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constants[newIndex] = constant; |
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entryToIndex.put(key, new Integer(newIndex)); |
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count++; |
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if (tag == DOUBLE || tag == LONG) |
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count++; |
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return newIndex; |
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} |
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int putLongConstant(int tag, Object constant) { |
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String key = "" + (char)tag + constant; |
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Integer index = (Integer) entryToIndex.get(key); |
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if (index != null) |
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return index.intValue(); |
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int newIndex = count; |
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grow(count + 2); |
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tags[newIndex] = tag; |
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tags[newIndex+1] = -tag; |
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constants[newIndex] = constant; |
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entryToIndex.put(key, new Integer(newIndex)); |
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count += 2; |
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return newIndex; |
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} |
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@ -129,17 +142,31 @@ public class GrowableConstantPool extends ConstantPool { |
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tag = INTEGER; |
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else if (c instanceof Float) |
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tag = FLOAT; |
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else if (c instanceof Long) |
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tag = LONG; |
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else if (c instanceof Double) |
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tag = DOUBLE; |
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else |
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throw new IllegalArgumentException("illegal constant "+c |
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+" of type: "+ c.getClass()); |
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throw new IllegalArgumentException |
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("illegal constant " + c + " of type: " + c.getClass()); |
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return putConstant(tag, c); |
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} |
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} |
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/** |
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* Puts a constant into this constant pool |
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* @param c the constant, must be of type |
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* Integer, Long, Float, Double or String |
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* @return the index into the pool of this constant. |
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*/ |
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public int putLongConstant(Object c) { |
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int tag; |
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if (c instanceof Long) |
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tag = LONG; |
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else if (c instanceof Double) |
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tag = DOUBLE; |
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else |
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throw new IllegalArgumentException |
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("illegal long constant " + c + " of type: " + c.getClass()); |
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return putLongConstant(tag, c); |
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} |
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/** |
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* Reserve an entry in this constant pool for a constant (for ldc). |
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* @param c the constant, must be of type |
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@ -155,6 +182,16 @@ public class GrowableConstantPool extends ConstantPool { |
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} |
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} |
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/** |
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* Reserve an entry in this constant pool for a constant (for ldc). |
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* @param c the constant, must be of type |
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* Integer, Long, Float, Double or String |
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* @return the reserved index into the pool of this constant. |
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*/ |
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public int reserveLongConstant(Object c) { |
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return putLongConstant(c); |
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} |
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public int copyConstant(ConstantPool cp, int index) |
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throws ClassFormatException { |
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return putConstant(cp.getConstant(index)); |
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