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/*******************************************************************************
* Copyright (c) 2007, 2008 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.internal.tcf.debug.ui.model;
import org.eclipse.debug.internal.ui.viewers.model.provisional.ILabelUpdate;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.tm.tcf.protocol.IToken;
import org.eclipse.tm.tcf.services.IRegisters;
//TODO: hierarchical registers
public class TCFNodeRegister extends TCFNode {
/**
* Presentation column IDs.
*/
public static final String
COL_NAME = "Name",
COL_HEX_VALUE = "HexValue",
COL_DEC_VALUE = "DecValue",
COL_DESCRIPTION = "Description",
COL_READBLE = "Readable",
COL_READ_ONCE = "ReadOnce",
COL_WRITEABLE = "Writeable",
COL_WRITE_ONCE = "WriteOnce",
COL_SIDE_EFFECTS = "SideEffects",
COL_VOLATILE = "Volatile",
COL_FLOAT = "Float",
COL_MNEMONIC = "Menimonic";
private IRegisters.RegistersContext context;
private String hex_value;
private String dec_value;
private Number num_value;
private boolean valid_context;
private boolean valid_hex_value;
private boolean valid_dec_value;
TCFNodeRegister(TCFNode parent, String id) {
super(parent, id);
}
@Override
protected void getData(ILabelUpdate result) {
result.setImageDescriptor(getImageDescriptor(getImageName()), 0);
if (context != null) {
String[] cols = result.getColumnIds();
if (cols == null) {
result.setLabel(context.getName() + " = " + hex_value, 0);
}
else {
for (int i = 0; i < cols.length; i++) {
String c = cols[i];
if (c.equals(COL_NAME)) result.setLabel(context.getName(), i);
else if (c.equals(COL_HEX_VALUE)) result.setLabel(hex_value, i);
else if (c.equals(COL_DEC_VALUE)) result.setLabel(dec_value, i);
else if (c.equals(COL_DESCRIPTION)) result.setLabel(context.getDescription(), i);
else if (c.equals(COL_READBLE)) result.setLabel(bool(context.isReadable()), i);
else if (c.equals(COL_READ_ONCE)) result.setLabel(bool(context.isReadOnce()), i);
else if (c.equals(COL_WRITEABLE)) result.setLabel(bool(context.isWriteable()), i);
else if (c.equals(COL_WRITE_ONCE)) result.setLabel(bool(context.isWriteOnce()), i);
else if (c.equals(COL_SIDE_EFFECTS)) result.setLabel(bool(context.hasSideEffects()), i);
else if (c.equals(COL_VOLATILE)) result.setLabel(bool(context.isVolatile()), i);
else if (c.equals(COL_FLOAT)) result.setLabel(bool(context.isFloat()), i);
else if (c.equals(COL_MNEMONIC)) result.setLabel(getMnemonic(), i);
}
}
}
else {
result.setLabel(id, 0);
}
}
private String bool(boolean b) {
return b ? "yes" : "no";
}
private String getMnemonic() {
if (num_value != null) {
IRegisters.NamedValue[] arr = context.getNamedValues();
if (arr != null) {
if (context.isFloat()) {
for (IRegisters.NamedValue n : arr) {
if (n.getValue().doubleValue() == num_value.doubleValue()) return n.getName();
}
}
else {
for (IRegisters.NamedValue n : arr) {
if (n.getValue().longValue() == num_value.longValue()) return n.getName();
}
}
}
}
return "";
}
void onValueChanged() {
onSuspended();
}
/**
* Invalidate register value only, keep cached register attributes.
*/
void onSuspended() {
super.invalidateNode();
valid_hex_value = false;
valid_dec_value = false;
hex_value = null;
dec_value = null;
num_value = null;
makeModelDelta(IModelDelta.STATE);
}
@Override
public void invalidateNode() {
super.invalidateNode();
valid_context = false;
valid_hex_value = false;
valid_dec_value = false;
hex_value = null;
dec_value = null;
num_value = null;
}
@Override
protected boolean validateNodeData() {
if (!valid_context && !validateRegisterContext()) return false;
if (!valid_hex_value && !validateRegisterHexValue()) return false;
if (!valid_dec_value && !validateRegisterDecValue()) return false;
return true;
}
private boolean validateRegisterContext() {
assert pending_command == null;
IRegisters regs = model.getLaunch().getService(IRegisters.class);
pending_command = regs.getContext(id, new IRegisters.DoneGetContext() {
public void doneGetContext(IToken token, Exception error, IRegisters.RegistersContext context) {
if (pending_command != token) return;
pending_command = null;
if (error != null) {
node_error = error;
}
else {
TCFNodeRegister.this.context = context;
}
valid_context = true;
validateNode();
}
});
return false;
}
private boolean validateRegisterHexValue() {
assert pending_command == null;
String[] fmts = context.getAvailableFormats();
String fmt = null;
for (String s : fmts) {
if (s.equals(IRegisters.FORMAT_HEX)) fmt = s;
}
if (fmt == null) {
valid_hex_value = true;
return true;
}
pending_command = context.get(fmt, new IRegisters.DoneGet() {
public void doneGet(IToken token, Exception error, String value) {
if (pending_command != token) return;
pending_command = null;
if (error != null) {
node_error = error;
}
else {
hex_value = value;
if (!context.isFloat()) num_value = Long.valueOf(value, 16);
}
valid_hex_value = true;
validateNode();
}
});
return false;
}
private boolean validateRegisterDecValue() {
assert pending_command == null;
String[] fmts = context.getAvailableFormats();
String fmt = null;
for (String s : fmts) {
if (s.equals(IRegisters.FORMAT_DECIMAL)) fmt = s;
}
if (fmt == null) {
valid_dec_value = true;
return true;
}
pending_command = context.get(fmt, new IRegisters.DoneGet() {
public void doneGet(IToken token, Exception error, String value) {
if (pending_command != token) return;
pending_command = null;
if (error != null) {
node_error = error;
}
else {
dec_value = value;
if (!context.isFloat()) num_value = Long.valueOf(value, 10);
else num_value = Double.valueOf(value);
}
valid_dec_value = true;
validateNode();
}
});
return false;
}
@Override
protected String getImageName() {
return "icons/full/obj16/genericregister_obj.gif";
}
}
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