Attachment #29255 for bug #114855




/**
 * Add a forward refrence for the array.
 */
void addForwardReference(int pos) {
	int[] refs = this.forwardReferences;
	for (int i = 0, count = this.forwardReferenceCount; i < count; i++) {
		if (refs[i] == pos) return; // already recorded
	}
	int length;
	if (forwardReferenceCount >= (length = refs.length))
		System.arraycopy(refs, 0, (this.forwardReferences = new int[2*length]), 0, length);
	this.forwardReferences[this.forwardReferenceCount++] = pos;
}

/**

public void appendForwardReferencesFrom(Label otherLabel) {
	int otherCount = otherLabel.forwardReferenceCount;
	if (otherCount == 0) return;
	int count = this.forwardReferenceCount;
	int[] refs = this.forwardReferences;
	int neededSpace = count + otherCount;
	if (neededSpace >= refs.length){
		System.arraycopy(refs, 0, (this.forwardReferences = refs = new int[neededSpace]), 0, count);
	}
	// append other forward references at the end, so they will get updated as well
	int[] otherRefs = otherLabel.forwardReferences;
	otherLoop: for (int i = 0; i < otherCount; i++) {
		int otherRef = otherRefs[i];
		for (int j = 0; j < count; j++) {
			if (refs[j] == otherRef) continue otherLoop; // already recorded
		}
		refs[count++] = otherRef;
	}
	this.forwardReferenceCount = count;
}

/*

	if (position == POS_NOT_SET) {
		addForwardReference(codeStream.position);
		// Leave 4 bytes free to generate the jump offset afterwards
		this.tagBits |= WIDE; 
		codeStream.position += 4;
		codeStream.classFileOffset += 4;
	} else { //Position is set. Write it!

Return to bug 114855

Lines 43-53 Link Here

(-)compiler/org/eclipse/jdt/internal/compiler/codegen/Label.java (-11 / +23 lines)
43	/**	43	/**
44	* Add a forward refrence for the array.	44	* Add a forward refrence for the array.
45	*/	45	*/
46	void addForwardReference(int iPos) {	46	void addForwardReference(int pos) {
		47	int[] refs = this.forwardReferences;
		48	for (int i = 0, count = this.forwardReferenceCount; i < count; i++) {
		49	if (refs[i] == pos) return; // already recorded
		50	}
47	int length;	51	int length;
48	if (forwardReferenceCount >= (length = forwardReferences.length))	52	if (forwardReferenceCount >= (length = refs.length))
49	System.arraycopy(forwardReferences, 0, (forwardReferences = new int[2*length]), 0, length);	53	System.arraycopy(refs, 0, (this.forwardReferences = new int[2*length]), 0, length);
50	forwardReferences[forwardReferenceCount++] = iPos;	54	this.forwardReferences[this.forwardReferenceCount++] = pos;
51	}	55	}
52		56
53	/**	57	/**
Lines 56-69 Link Here
56	public void appendForwardReferencesFrom(Label otherLabel) {	60	public void appendForwardReferencesFrom(Label otherLabel) {
57	int otherCount = otherLabel.forwardReferenceCount;	61	int otherCount = otherLabel.forwardReferenceCount;
58	if (otherCount == 0) return;	62	if (otherCount == 0) return;
59	int length = forwardReferences.length;	63	int count = this.forwardReferenceCount;
60	int neededSpace = otherCount + forwardReferenceCount;	64	int[] refs = this.forwardReferences;
61	if (neededSpace >= length){	65	int neededSpace = count + otherCount;
62	System.arraycopy(forwardReferences, 0, (forwardReferences = new int[neededSpace]), 0, forwardReferenceCount);	66	if (neededSpace >= refs.length){
		67	System.arraycopy(refs, 0, (this.forwardReferences = refs = new int[neededSpace]), 0, count);
63	}	68	}
64	// append other forward references at the end, so they will get updated as well	69	// append other forward references at the end, so they will get updated as well
65	System.arraycopy(otherLabel.forwardReferences, 0, forwardReferences, forwardReferenceCount, otherCount);	70	int[] otherRefs = otherLabel.forwardReferences;
66	forwardReferenceCount = neededSpace;	71	otherLoop: for (int i = 0; i < otherCount; i++) {
		72	int otherRef = otherRefs[i];
		73	for (int j = 0; j < count; j++) {
		74	if (refs[j] == otherRef) continue otherLoop; // already recorded
		75	}
		76	refs[count++] = otherRef;
		77	}
		78	this.forwardReferenceCount = count;
67	}	79	}
68		80
69	/*	81	/*
Lines 94-100 Link Here
94	if (position == POS_NOT_SET) {	106	if (position == POS_NOT_SET) {
95	addForwardReference(codeStream.position);	107	addForwardReference(codeStream.position);
96	// Leave 4 bytes free to generate the jump offset afterwards	108	// Leave 4 bytes free to generate the jump offset afterwards
97	this.tagBits \|= WIDE;	109	this.tagBits \|= WIDE;
98	codeStream.position += 4;	110	codeStream.position += 4;
99	codeStream.classFileOffset += 4;	111	codeStream.classFileOffset += 4;
100	} else { //Position is set. Write it!	112	} else { //Position is set. Write it!