// now we change the size of the line number attribute
attributeNumber++;
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP_TABLE) != 0) {
StackMapFrameCodeStream stackMapFrameCodeStream = (StackMapFrameCodeStream) this.codeStream;
stackMapFrameCodeStream.removeFramePosition(code_length);
if (stackMapFrameCodeStream.hasFramePositions()) {
ArrayList frames = new ArrayList();
traverse(binding, max_locals, this.contents, codeAttributeOffset + 14, code_length, frames, false);
int numberOfFrames = frames.size();
if (numberOfFrames > 1) {
int stackMapTableAttributeOffset = localContentsOffset;
// add the stack map table attribute
if (localContentsOffset + 8 >= this.contents.length) {
resizeContents(8);
}
int stackMapTableAttributeNameIndex =
this.constantPool.literalIndex(AttributeNamesConstants.StackMapTableName);
this.contents[localContentsOffset++] = (byte) (stackMapTableAttributeNameIndex >> 8);
this.contents[localContentsOffset++] = (byte) stackMapTableAttributeNameIndex;
int stackMapTableAttributeLengthOffset = localContentsOffset;
// generate the attribute
localContentsOffset += 4;
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
numberOfFrames = 0;
int numberOfFramesOffset = localContentsOffset;
localContentsOffset += 2;
if (localContentsOffset + 2 >= this.contents.length) {
resizeContents(2);
}
StackMapFrame currentFrame = (StackMapFrame) frames.get(0);
StackMapFrame prevFrame = null;
for (int j = 1; j < numberOfFrames; j++) {
// select next frame
prevFrame = currentFrame;
currentFrame = (StackMapFrame) frames.get(j);
// generate current frame
// need to find differences between the current frame and the previous frame
numberOfFrames++;
int offsetDelta = currentFrame.getOffsetDelta(prevFrame);
switch (currentFrame.getFrameType(prevFrame)) {
case StackMapFrame.APPEND_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
int numberOfDifferentLocals = currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 + numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int index = currentFrame.getIndexOfDifferentLocals(numberOfDifferentLocals);
int numberOfLocals = currentFrame.getNumberOfLocals();
for (int i = index; i < currentFrame.locals.length && numberOfDifferentLocals > 0; i++) {
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = this.constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfDifferentLocals--;
}
}
break;
case StackMapFrame.SAME_FRAME :
if (localContentsOffset + 1 >= this.contents.length) {
resizeContents(1);
}
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_FRAME_EXTENDED :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
this.contents[localContentsOffset++] = (byte) 251;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.CHOP_FRAME :
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
numberOfDifferentLocals = -currentFrame.numberOfDifferentLocals(prevFrame);
this.contents[localContentsOffset++] = (byte) (251 - numberOfDifferentLocals);
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS :
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[localContentsOffset++] = (byte) (offsetDelta + 64);
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
byte tag = (byte) info.tag;
this.contents[localContentsOffset++] = tag;
switch (tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = this.constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
case StackMapFrame.SAME_LOCALS_1_STACK_ITEMS_EXTENDED :
if (localContentsOffset + 6 >= this.contents.length) {
resizeContents(6);
}
this.contents[localContentsOffset++] = (byte) 247;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
if (currentFrame.stackItems[0] == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(currentFrame.stackItems[0].id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
VerificationTypeInfo info = currentFrame.stackItems[0];
byte tag = (byte) info.tag;
this.contents[localContentsOffset++] = tag;
switch (tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = this.constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
break;
default :
// FULL_FRAME
if (localContentsOffset + 5 >= this.contents.length) {
resizeContents(5);
}
this.contents[localContentsOffset++] = (byte) 255;
this.contents[localContentsOffset++] = (byte) (offsetDelta >> 8);
this.contents[localContentsOffset++] = (byte) offsetDelta;
int numberOfLocalOffset = localContentsOffset;
localContentsOffset += 2; // leave two spots for number of locals
int numberOfLocalEntries = 0;
numberOfLocals = currentFrame.getNumberOfLocals();
int numberOfEntries = 0;
int localsLength = currentFrame.locals == null ? 0 : currentFrame.locals.length;
for (int i = 0; i < localsLength && numberOfLocalEntries < numberOfLocals; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.locals[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
i++;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
i++;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = this.constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
numberOfLocalEntries++;
}
numberOfEntries++;
}
if (localContentsOffset + 4 >= this.contents.length) {
resizeContents(4);
}
this.contents[numberOfLocalOffset++] = (byte) (numberOfEntries >> 8);
this.contents[numberOfLocalOffset] = (byte) numberOfEntries;
int numberOfStackItems = currentFrame.numberOfStackItems;
this.contents[localContentsOffset++] = (byte) (numberOfStackItems >> 8);
this.contents[localContentsOffset++] = (byte) numberOfStackItems;
for (int i = 0; i < numberOfStackItems; i++) {
if (localContentsOffset + 3 >= this.contents.length) {
resizeContents(3);
}
VerificationTypeInfo info = currentFrame.stackItems[i];
if (info == null) {
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_TOP;
} else {
switch(info.id()) {
case T_boolean :
case T_byte :
case T_char :
case T_int :
case T_short :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_INTEGER;
break;
case T_float :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_FLOAT;
break;
case T_long :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_LONG;
break;
case T_double :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_DOUBLE;
break;
case T_null :
this.contents[localContentsOffset++] = (byte) VerificationTypeInfo.ITEM_NULL;
break;
default:
this.contents[localContentsOffset++] = (byte) info.tag;
switch (info.tag) {
case VerificationTypeInfo.ITEM_UNINITIALIZED :
int offset = info.offset;
this.contents[localContentsOffset++] = (byte) (offset >> 8);
this.contents[localContentsOffset++] = (byte) offset;
break;
case VerificationTypeInfo.ITEM_OBJECT :
int indexForType = this.constantPool.literalIndexForType(info.constantPoolName());
this.contents[localContentsOffset++] = (byte) (indexForType >> 8);
this.contents[localContentsOffset++] = (byte) indexForType;
}
}
}
}
}
}
if (numberOfFrames != 0) {
this.contents[numberOfFramesOffset++] = (byte) (numberOfFrames >> 8);
this.contents[numberOfFramesOffset] = (byte) numberOfFrames;
int attributeLength = localContentsOffset - stackMapTableAttributeLengthOffset - 4;
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 24);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 16);
this.contents[stackMapTableAttributeLengthOffset++] = (byte) (attributeLength >> 8);
this.contents[stackMapTableAttributeLengthOffset] = (byte) attributeLength;
attributeNumber++;
} else {
localContentsOffset = stackMapTableAttributeOffset;
}
}
}
}
if ((this.produceAttributes & ClassFileConstants.ATTR_STACK_MAP) != 0) {
StackMapFrameCodeStream stackMapFrameCodeStream = (StackMapFrameCodeStream) this.codeStream;
stackMapFrameCodeStream.removeFramePosition(code_length);
if (stackMapFrameCodeStream.hasFramePositions()) {
ArrayList frames = new ArrayList();
traverse(this.codeStream.methodDeclaration.binding, max_locals, this.contents, codeAttributeOffset + 14, code_length, frames, false);
int numberOfFrames = frames.size();
if (numberOfFrames > 1) {
int stackMapTableAttributeOffset = localContentsOffset;