/*******************************************************************************
* Copyright (c) 2000, 2009 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
* Wind River Systems - Modified for new DSF Reference Implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.mi.service.command.output;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.dsf.debug.service.command.ICommand;
import org.eclipse.cdt.dsf.debug.service.command.ICommandResult;
import org.eclipse.cdt.dsf.mi.service.command.commands.MIDataListRegisterValues;
/**
* GDB/MI data list register values extraction.
*/
public class MIDataListRegisterValuesInfo extends MIInfo {
MIRegisterValue[] registers;
public MIDataListRegisterValuesInfo(MIOutput rr) {
super(rr);
registers = null;
if (isDone()) {
MIOutput out = getMIOutput();
MIResultRecord outr = out.getMIResultRecord();
if (outr != null) {
MIResult[] results = outr.getMIResults();
for (int i = 0; i < results.length; i++) {
String var = results[i].getVariable();
if (var.equals("register-values")) { //$NON-NLS-1$
MIValue value = results[i].getMIValue();
if (value instanceof MIList) {
registers = MIRegisterValue.getMIRegisterValues((MIList)value);
}
}
}
}
}
if (registers == null) {
registers = new MIRegisterValue[0];
}
}
/*
* Returns the array of registers values.
*/
public MIRegisterValue[] getMIRegisterValues() {
/*
* The expectation is that we return an empty list. The
* constructor quarantees this so we are good here.
*/
return registers;
}
/**
* Returns the desired subset of results. When this function is being called
* the data here represents a coalesced request which is a superset of at
* least two original requests. We are extracting the data associated with
* the specified original request which we know is contained in this result.
*/
@Override
public <V extends ICommandResult> V getSubsetResult(ICommand<V> cmd) {
if (cmd instanceof MIDataListRegisterValues) {
MIDataListRegisterValues command = (MIDataListRegisterValues) cmd;
List<MIRegisterValue> aList = new ArrayList<MIRegisterValue>();
int[] wantedRegNos = command.getRegList();
/*
* Search through the larger answer set finding the ones we want.
*/
for (MIRegisterValue regVal : registers) {
for ( int curRegNo : wantedRegNos ) {
if ( regVal.getNumber() == curRegNo ) {
aList.add( regVal );
}
}
}
/*
* Now construct a new complete answer.
*/
MIRegisterValue[] finalRegSet = aList.toArray(new MIRegisterValue[aList.size()]);
MIDataListRegisterValuesInfo finalSubset = new MIDataListRegisterValuesInfo( getMIOutput());
finalSubset.registers = finalRegSet;
@SuppressWarnings("unchecked")
V vFinalSubset = (V)finalSubset;
return vFinalSubset ;
} else {
return super.getSubsetResult(cmd);
}
}
}