[WIP ]reorganized dir structure

This commit is contained in:
2020-06-01 17:26:56 +02:00
parent 3e5ab7b0ac
commit 97693cd0c4
374 changed files with 43 additions and 390 deletions

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/*******************************************************************************
* Copyright (c) 2015 MINRES Technologies GmbH 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:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.database.vcd;
import com.minres.scviewer.database.BitVector;
/**
* The Interface IVCDDatabaseBuilder. It allows to add VCD events into the database
*/
public interface IVCDDatabaseBuilder {
/**
* Enter module.
*
* @param tokenString the token string
*/
public void enterModule(String tokenString);
/**
* Exit module.
*/
public void exitModule();
/**
* New net.
*
* @param netName the net name
* @param i the index of the net, -1 if a new one, otherwise the id if the referenced
* @param width the width, -1 equals real, 0... is a bit vector
* @return the net id
*/
public Integer newNet(String netName, int i, int width) ;
/**
* Gets the net width.
*
* @param intValue the net id
* @return the net width, -1 means a real-valued net
*/
public int getNetWidth(int netId);
/**
* Append transition.
*
* @param netId the int value
* @param currentTime the current time in ps
* @param decodedValues the decoded values
*/
public void appendTransition(int netId, long currentTime, BitVector decodedValue);
/**
* Append transition.
*
* @param netId the int value
* @param currentTime the current time in ps
* @param decodedValue the decoded values
*/
public void appendTransition(int netId, long currentTime, double decodedValue);
}

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/*******************************************************************************
* Copyright (c) 2015 MINRES Technologies GmbH 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:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.database.vcd;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.NavigableMap;
import java.util.Stack;
import java.util.TreeMap;
import java.util.Vector;
import java.util.zip.GZIPInputStream;
import com.minres.scviewer.database.BitVector;
import com.minres.scviewer.database.ISignal;
import com.minres.scviewer.database.IWaveform;
import com.minres.scviewer.database.IWaveformDb;
import com.minres.scviewer.database.IWaveformDbLoader;
import com.minres.scviewer.database.InputFormatException;
import com.minres.scviewer.database.RelationType;
/**
* The Class VCDDb.
*/
public class VCDDbLoader implements IWaveformDbLoader, IVCDDatabaseBuilder {
/** The Constant TIME_RES. */
private static final Long TIME_RES = 1000L; // ps;
/** The db. */
private IWaveformDb db;
/** The module stack. */
private Stack<String> moduleStack;
/** The signals. */
private List<IWaveform> signals;
/** The max time. */
private long maxTime;
/**
* Instantiates a new VCD db.
*/
public VCDDbLoader() {
}
private static boolean isGzipped(File f) {
InputStream is = null;
try {
is = new FileInputStream(f);
byte [] signature = new byte[2];
int nread = is.read( signature ); //read the gzip signature
return nread == 2 && signature[ 0 ] == (byte) 0x1f && signature[ 1 ] == (byte) 0x8b;
} catch (IOException e) {
return false;
} finally {
try { is.close();} catch (IOException e) { }
}
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.ITrDb#load(java.io.File)
*/
@SuppressWarnings("unchecked")
@Override
public boolean load(IWaveformDb db, File file) throws Exception {
if(file.isDirectory() || !file.exists()) return false;
this.db=db;
this.maxTime=0;
String name = file.getCanonicalFile().getName();
if(!(name.endsWith(".vcd") ||
name.endsWith(".vcdz") ||
name.endsWith(".vcdgz") ||
name.endsWith(".vcd.gz")) )
return false;
signals = new Vector<IWaveform>();
moduleStack= new Stack<String>();
FileInputStream fis = new FileInputStream(file);
boolean res = new VCDFileParser(false).load(isGzipped(file)?new GZIPInputStream(fis):fis, this);
moduleStack=null;
if(!res) throw new InputFormatException();
// calculate max time of database
for(IWaveform waveform:signals) {
NavigableMap<Long, ?> events =((ISignal<?>)waveform).getEvents();
if(events.size()>0)
maxTime= Math.max(maxTime, events.lastKey());
}
// extend signals to hav a last value set at max time
for(IWaveform s:signals){
if(s instanceof VCDSignal<?>) {
TreeMap<Long,?> events = (TreeMap<Long, ?>) ((VCDSignal<?>)s).getEvents();
if(events.size()>0 && events.lastKey()<maxTime){
Object val = events.lastEntry().getValue();
if(val instanceof BitVector) {
((VCDSignal<BitVector>)s).addSignalChange(maxTime, (BitVector) val);
} else if(val instanceof Double)
((VCDSignal<Double>)s).addSignalChange(maxTime, (Double) val);
}
}
}
return true;
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.ITrDb#getMaxTime()
*/
@Override
public Long getMaxTime() {
return maxTime;
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.ITrDb#getAllWaves()
*/
@Override
public Collection<IWaveform> getAllWaves() {
return signals;
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#enterModule(java.lang.String)
*/
@Override
public void enterModule(String tokenString) {
if(moduleStack.isEmpty()) {
if("SystemC".compareTo(tokenString)!=0) moduleStack.push(tokenString);
} else
moduleStack.push(moduleStack.peek()+"."+tokenString);
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#exitModule()
*/
@Override
public void exitModule() {
if(!moduleStack.isEmpty()) moduleStack.pop();
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#newNet(java.lang.String, int, int)
*/
@SuppressWarnings("unchecked")
@Override
public Integer newNet(String name, int i, int width) {
String netName = moduleStack.empty()? name: moduleStack.lastElement()+"."+name;
int id = signals.size();
assert(width>=0);
if(width==0) {
signals.add( i<0 ? new VCDSignal<Double>(db, id, netName, width) :
new VCDSignal<Double>((VCDSignal<Double>)signals.get(i), id, netName));
} else if(width>0){
signals.add( i<0 ? new VCDSignal<BitVector>(db, id, netName, width) :
new VCDSignal<BitVector>((VCDSignal<BitVector>)signals.get(i), id, netName));
}
return id;
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#getNetWidth(int)
*/
@Override
public int getNetWidth(int intValue) {
VCDSignal<?> signal = (VCDSignal<?>) signals.get(intValue);
return signal.getWidth();
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#appendTransition(int, long, com.minres.scviewer.database.vcd.BitVector)
*/
@SuppressWarnings("unchecked")
@Override
public void appendTransition(int signalId, long currentTime, BitVector value) {
VCDSignal<BitVector> signal = (VCDSignal<BitVector>) signals.get(signalId);
Long time = currentTime* TIME_RES;
signal.getEvents().put(time, value);
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.vcd.ITraceBuilder#appendTransition(int, long, com.minres.scviewer.database.vcd.BitVector)
*/
@SuppressWarnings("unchecked")
@Override
public void appendTransition(int signalId, long currentTime, double value) {
VCDSignal<?> signal = (VCDSignal<?>) signals.get(signalId);
Long time = currentTime* TIME_RES;
if(signal.getWidth()==0){
((VCDSignal<Double>)signal).getEvents().put(time, value);
}
}
/* (non-Javadoc)
* @see com.minres.scviewer.database.IWaveformDbLoader#getAllRelationTypes()
*/
@Override
public Collection<RelationType> getAllRelationTypes(){
return Collections.emptyList();
}
}

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/*******************************************************************************
* Copyright (c) 2015 MINRES Technologies GmbH 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:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.database.vcd;
import java.io.*;
import java.util.*;
import com.minres.scviewer.database.BitValue;
import com.minres.scviewer.database.BitVector;
class VCDFileParser {
private StreamTokenizer tokenizer;
private IVCDDatabaseBuilder traceBuilder;
private HashMap<String, Integer> nameToNetMap = new HashMap<String, Integer>();
private long picoSecondsPerIncrement;
private boolean stripNetWidth;
private boolean replaceColon;
long currentTime;
public VCDFileParser(boolean stripNetWidth) {
this.stripNetWidth=stripNetWidth;
this.replaceColon=false;
}
public boolean load(InputStream is, IVCDDatabaseBuilder builder) {
tokenizer = new StreamTokenizer(new BufferedReader(new InputStreamReader(is)));
tokenizer.resetSyntax();
tokenizer.wordChars(33, 126);
tokenizer.whitespaceChars('\r', '\r');
tokenizer.whitespaceChars('\n', '\n');
tokenizer.whitespaceChars(' ', ' ');
tokenizer.whitespaceChars('\t', '\t');
try {
traceBuilder = builder;
currentTime=0;
while (parseDefinition());
while (parseTransition());
return true;
} catch (Exception exc) {
exc.printStackTrace();
return false;
}
}
private void parseScope() throws Exception {
nextToken(); // Scope type (ignore)
nextToken();
traceBuilder.enterModule(tokenizer.sval);
match("$end");
}
private void parseUpscope() throws Exception {
match("$end");
traceBuilder.exitModule();
}
private void parseVar() throws Exception {
nextToken(); // type
String type = tokenizer.sval;
nextToken(); // size
int width = Integer.parseInt(tokenizer.sval);
if("real".equals(type))
width=0;
nextToken();
String id = tokenizer.sval;
nextToken();
String netName = tokenizer.sval;
while (nextToken() && !tokenizer.sval.equals("$end")) {
netName+=tokenizer.sval;
}
Integer net = nameToNetMap.get(id);
if (net == null) { // We've never seen this net before
int openBracket = netName.indexOf('[');
if(stripNetWidth){
if (openBracket != -1) netName = netName.substring(0, openBracket);
openBracket = -1;
}
if(replaceColon) {
if (openBracket != -1) {
netName = netName.substring(0, openBracket).replaceAll(":", ".")+netName.substring(openBracket);
} else
netName=netName.replaceAll(":", ".");
}
nameToNetMap.put(id, traceBuilder.newNet(netName, -1, width));
} else {
// Shares data with existing net. Add as clone.
traceBuilder.newNet(netName, net, width);
}
}
private void parseComment() throws Exception {
nextToken();
String s = tokenizer.sval;
nextToken();
while(!tokenizer.sval.equals("$end")){
s+=" "+tokenizer.sval;
nextToken();
}
replaceColon|=s.contains("ARTERIS Architecture");
}
private void parseTimescale() throws Exception {
nextToken();
String s = tokenizer.sval;
nextToken();
while(!tokenizer.sval.equals("$end")){
s+=" "+tokenizer.sval;
nextToken();
}
switch (s.charAt(s.length() - 2)){
case 'p': // Nano-seconds
picoSecondsPerIncrement = 1;
s = s.substring(0, s.length() - 2).trim();
break;
case 'n': // Nano-seconds
picoSecondsPerIncrement = 1000;
s = s.substring(0, s.length() - 2).trim();
break;
case 'u': // Microseconds
picoSecondsPerIncrement = 1000000;
s = s.substring(0, s.length() - 2).trim();
break;
case 'm': // Microseconds
picoSecondsPerIncrement = 1000000000;
s = s.substring(0, s.length() - 2).trim();
break;
default: // Seconds
picoSecondsPerIncrement = 1000000000000L;
s = s.substring(0, s.length() - 1);
break;
}
picoSecondsPerIncrement *= Long.parseLong(s);
}
private boolean parseDefinition() throws Exception {
nextToken();
if (tokenizer.sval.equals("$scope"))
parseScope();
else if (tokenizer.sval.equals("$var"))
parseVar();
else if (tokenizer.sval.equals("$upscope"))
parseUpscope();
else if (tokenizer.sval.equals("$timescale"))
parseTimescale();
else if (tokenizer.sval.equals("$comment"))
parseComment();
else if (tokenizer.sval.equals("$enddefinitions")) {
match("$end");
return false;
} else {
// Ignore this defintion
do {
if (!nextToken()) return false;
} while (!tokenizer.sval.equals("$end"));
}
return true;
}
private boolean parseTransition() throws Exception {
if (!nextToken()) return false;
if (tokenizer.sval.charAt(0) == '#') { // If the line begins with a #, this is a timestamp.
currentTime = Long.parseLong(tokenizer.sval.substring(1)) * picoSecondsPerIncrement;
} else {
if(tokenizer.sval.equals("$comment")){
do {
if (!nextToken()) return false;
} while (!tokenizer.sval.equals("$end"));
return true;
}
if (tokenizer.sval.equals("$dumpvars") || tokenizer.sval.equals("$end"))
return true;
String value, id;
if (tokenizer.sval.charAt(0) == 'b') {
// Multiple value net. Value appears first, followed by space,
// then identifier
value = tokenizer.sval.substring(1);
nextToken();
id = tokenizer.sval;
}else if (tokenizer.sval.charAt(0) == 'r') {
// Multiple value net. Value appears first, followed by space,
// then identifier
value = tokenizer.sval.substring(1);
nextToken();
id = tokenizer.sval;
} else {
// Single value net. identifier first, then value, no space.
value = tokenizer.sval.substring(0, 1);
id = tokenizer.sval.substring(1);
}
Integer net = nameToNetMap.get(id);
if (net == null) {
System.out.println("unknown net " + id + " value " + value);
return true;
}
int netWidth = traceBuilder.getNetWidth(net);
if(netWidth==0) {
if("nan".equals(value))
traceBuilder.appendTransition(net, currentTime, Double.NaN);
else
traceBuilder.appendTransition(net, currentTime, Double.parseDouble(value));
} else {
BitVector decodedValues = new BitVector(netWidth);
if (value.equals("z") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitValue.Z);
} else if (value.equals("x") && netWidth > 1) {
for (int i = 0; i < netWidth; i++)
decodedValues.setValue(i, BitValue.X);
} else {
int stringIndex = 0;
for (int convertedIndex = netWidth -1; convertedIndex >=0; convertedIndex--) {
if(convertedIndex<value.length()) {
switch (value.charAt(stringIndex++)) {
case 'z':
decodedValues.setValue(convertedIndex, BitValue.Z);
break;
case '1':
decodedValues.setValue(convertedIndex, BitValue.ONE);
break;
case '0':
decodedValues.setValue(convertedIndex, BitValue.ZERO);
break;
case 'x':
decodedValues.setValue(convertedIndex, BitValue.X);
break;
default:
decodedValues.setValue(convertedIndex, BitValue.X);
}
} else {
decodedValues.setValue(convertedIndex, BitValue.ZERO);
}
}
}
traceBuilder.appendTransition(net, currentTime, decodedValues);
}
}
return true;
}
private void match(String value) throws Exception {
nextToken();
if (!tokenizer.sval.equals(value))
throw new Exception("Line "+tokenizer.lineno()+": parse error, expected "+value+" got "+tokenizer.sval);
}
private boolean nextToken() throws IOException {
return tokenizer.nextToken() != StreamTokenizer.TT_EOF;
}
};

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/*******************************************************************************
* Copyright (c) 2015 MINRES Technologies GmbH 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:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.database.vcd;
import java.util.Map.Entry;
import java.util.NavigableMap;
import java.util.TreeMap;
import com.minres.scviewer.database.HierNode;
import com.minres.scviewer.database.ISignal;
import com.minres.scviewer.database.IWaveform;
import com.minres.scviewer.database.IWaveformDb;
import com.minres.scviewer.database.IWaveformEvent;
public class VCDSignal<T> extends HierNode implements ISignal<T> {
private long id;
private String fullName;
private final String kind = "signal";
private final int width;
private final T dummy = null;
private IWaveformDb db;
private TreeMap<Long, T> values;
public VCDSignal(IWaveformDb db, String name) {
this(db, 0, name, 1);
}
public VCDSignal(IWaveformDb db, int id, String name) {
this(db, id,name,1);
}
public VCDSignal(IWaveformDb db, int id, String name, int width) {
super(name);
this.db=db;
fullName=name;
this.id=id;
this.width=width;
this.values=new TreeMap<Long, T>();
}
@SuppressWarnings("unchecked")
public VCDSignal(ISignal<T> other, int id, String name) {
super(name);
fullName=name;
this.id=id;
assert(other instanceof VCDSignal<?>);
this.width=((VCDSignal<? extends IWaveformEvent>)other).width;
this.values=((VCDSignal<T>)other).values;
this.db=other.getDb();
}
@Override
public String getFullName() {
return fullName;
}
public void setId(int id) {
this.id=id;
}
@Override
public Long getId() {
return id;
}
@Override
public String getKind() {
return kind;
}
public int getWidth() {
return width;
}
@Override
public IWaveformDb getDb() {
return db;
}
public void addSignalChange(Long time, T value){
values.put(time, value);
}
@Override
public NavigableMap<Long, T> getEvents() {
return values;
}
@Override
public T getWaveformValueAtTime(Long time) {
return values.get(time);
}
@Override
public T getWaveformValueBeforeTime(Long time) {
Entry<Long, T> e = values.floorEntry(time);
if(e==null)
return null;
else
return values.floorEntry(time).getValue();
}
@Override
public Boolean equals(IWaveform other) {
return( other instanceof VCDSignal<?> && this.getId().equals(other.getId()));
}
@Override
public Class<?> getType() {
return dummy.getClass();
}
}