/** Add back 'this' in all HashSet in which it should be registered. */
void notifyTargetChanged() {
// hashCode depends on 'index', 'start', and 'end'.
// Therefore before changing any of these values we
// need to unregister 'this' from any HashSet where
// this is registered, and then we need to add it
// back...
// Register 'this' in the HashSet held by start.
BranchInstruction.notifyTargetChanged(this.start, this);
if (this.end != this.start) {
// Since hashCode() has changed we need to register
// 'this' again in 'end'.
// Add back 'this' in the HashSet held by 'end'.
BranchInstruction.notifyTargetChanged(this.end, this);
}
}
/** Remove this from any known HashSet in which it might be registered. */
void notifyTargetChanging() {
// hashCode depends on 'index', 'start', and 'end'.
// Therefore before changing any of these values we
// need to unregister 'this' from any HashSet where
// this is registered, and then we need to add it
// back...
// Unregister 'this' from the HashSet held by 'start'.
BranchInstruction.notifyTargetChanging(this.start, this);
if (this.end != this.start) {
// Since hashCode() is going to change we need to unregister
// 'this' both form 'start' and 'end'.
// Unregister 'this' from the HashSet held by 'end'.
BranchInstruction.notifyTargetChanging(this.end, this);
}
}
/* Set end of handler
* @param end_pc End of handled region (inclusive)
*/
public final void setEndPC(InstructionHandle end_pc) {
BranchInstruction.notifyTargetChanging(this.end_pc, this);
this.end_pc = end_pc;
BranchInstruction.notifyTargetChanged(this.end_pc, this);
}
/* Set handler code
* @param handler_pc Start of handler
*/
public final void setHandlerPC(InstructionHandle handler_pc) {
BranchInstruction.notifyTargetChanging(this.handler_pc, this);
this.handler_pc = handler_pc;
BranchInstruction.notifyTargetChanged(this.handler_pc, this);
}
/* Set start of handler
* @param start_pc Start of handled region (inclusive)
*/
public final void setStartPC(InstructionHandle start_pc) {
BranchInstruction.notifyTargetChanging(this.start_pc, this);
this.start_pc = start_pc;
BranchInstruction.notifyTargetChanged(this.start_pc, this);
}