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/*******************************************************************************
* Copyright (c) 2009 STMicroelectronics.
* 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:
* Xavier Raynaud <xavier.raynaud@st.com> - initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.internal.gcov.parser;
import java.io.Serializable;
import java.util.ArrayList;
public class GcnoFunction implements Serializable, Comparable<GcnoFunction> {
/**
*
*/
private static final long serialVersionUID = -4159055012321132651L;
private final long ident;
private final long cheksum;
private final long firstLineNmbr;
private final String name;
private final String srcFile;
private ArrayList<Block> functionBlocks = new ArrayList<>();
private int numCounts = 0, numBlocks = 0;
private final CoverageInfo cvrge = new CoverageInfo();
public GcnoFunction(long fnctnIdent, long fnctnChksm, String fnctnName, String fnctnSrcFle, long fnctnFrstLnNmbr) {
this.ident = fnctnIdent;
this.cheksum = fnctnChksm;
this.name = fnctnName;
this.srcFile = fnctnSrcFle;
this.firstLineNmbr = fnctnFrstLnNmbr;
}
@Override
public int compareTo(GcnoFunction o) {
if (getFirstLineNmbr() > o.getFirstLineNmbr())
return 1;
else if (getFirstLineNmbr() < o.getFirstLineNmbr())
return -1;
return 0;
}
public void addLineCounts(ArrayList<SourceFile> srcs) {
for (int i = 0; i != numBlocks; i++) {
Block blk = functionBlocks.get(i);
SourceFile fileSrc = null;
long[] enc = blk.getEncoding();
for (int j = 0, k = 0; j != blk.getLineNum(); j++, k++) {
if (enc[k] == 0) {
int srcn = (int) enc[++k];
for (SourceFile sf : srcs) {
if (sf.getIndex() == srcn) {
fileSrc = sf;
break;
}
}
j++;
} else if ((fileSrc != null) && enc[k] < fileSrc.getLines().size()) {
Line line = fileSrc.getLines().get((int) enc[k]);
if (line.exists() == false)
cvrge.incLinesInstrumented();
if ((line.getCount() == 0) && (blk.getCount() != 0))
cvrge.incLinesExecuted();
line.setExists(true);
line.setCount(line.getCount() + blk.getCount());
}
}
}
}
public void solveGraphFnctn() {
ArrayList<Block> fnctnBlcks = this.functionBlocks;
ArrayList<Block> validBlocks = new ArrayList<>();
ArrayList<Block> invalidBlocks = new ArrayList<>();
// Function should contain at least one block
if (fnctnBlcks.size() >= 2) {
if (fnctnBlcks.get(0).getNumPreds() == 0)
fnctnBlcks.get(0).setNumPreds(50000);
if (fnctnBlcks.get(fnctnBlcks.size() - 1).getNumSuccs() == 0)
fnctnBlcks.get(fnctnBlcks.size() - 1).setNumSuccs(50000);
}
for (Block b: fnctnBlcks) {
b.setInvalidChain(true);
invalidBlocks.add(b);
}
while (validBlocks.isEmpty() == false || invalidBlocks.isEmpty() == false) {
if (invalidBlocks.isEmpty() == false) {
for (int i = invalidBlocks.size() - 1; i >= 0; i--) {
Block invb = invalidBlocks.get(i);
long total = 0;
invalidBlocks.remove(i);
invb.setInvalidChain(false);
if (invb.getNumSuccs() == 0) {
ArrayList<Arc> extArcs = invb.getExitArcs();
for (Arc arc : extArcs) {
total += arc.getCount();
}
} else if (invb.getNumPreds() == 0) {
ArrayList<Arc> entrArcs = invb.getEntryArcs();
for (Arc arc : entrArcs) {
total += arc.getCount();
}
} else {
continue;
}
invb.setCount(total);
invb.setCountValid(true);
invb.setValidChain(true);
validBlocks.add(invb);
}
}/*
* else System.out.println("NO, invalid blocks = 0");
*/
while (validBlocks.isEmpty() == false) {
int last = validBlocks.size() - 1;
Block vb = validBlocks.get(last);
Arc invarc = null;
int total = 0;
validBlocks.remove(last);
vb.setValidChain(false);
if (vb.getNumSuccs() == 1) {
Block blcksdst;
total = (int) vb.getCount();
for (Arc extAr : vb.getExitArcs()) {
total -= extAr.getCount();
if (extAr.isCountValid() == false) {
invarc = extAr;
}
}
blcksdst = invarc.getDstnatnBlock();
invarc.setCountValid(true);
invarc.setCount(total);
vb.decNumSuccs();
blcksdst.decNumPreds();
if (blcksdst.isCountValid() == true) {
if (blcksdst.getNumPreds() == 1 && blcksdst.isValidChain() == false) {
blcksdst.setValidChain(true);
validBlocks.add(blcksdst);
}
} else {
if (blcksdst.getNumPreds() == 0 && blcksdst.isInvalidChain() == false) {
blcksdst.setInvalidChain(true);
invalidBlocks.add(blcksdst);
}
}
}
if (vb.getNumPreds() == 1) {
Block blcksrc;
total = (int) vb.getCount();
invarc = null;
for (Arc entrAr : vb.getEntryArcs()) {
total -= entrAr.getCount();
if (entrAr.isCountValid() == false) {
invarc = entrAr;
}
}
blcksrc = invarc.getSrcBlock();
invarc.setCountValid(true);
invarc.setCount(total);
vb.decNumPreds();
blcksrc.decNumSuccs();
if (blcksrc.isCountValid() == true) {
if (blcksrc.getNumSuccs() == 1 && blcksrc.isInvalidChain() == false) {
blcksrc.setValidChain(true);
validBlocks.add(blcksrc);
}
} else if (blcksrc.getNumSuccs() == 0 && blcksrc.isInvalidChain() == false) {
blcksrc.setInvalidChain(true);
invalidBlocks.add(blcksrc);
}
}
}
}
}
/* getters & setters */
public long getIdent() {
return ident;
}
public long getCheksum() {
return cheksum;
}
public String getName() {
return name;
}
public String getSrcFile() {
return srcFile;
}
public long getFirstLineNmbr() {
return firstLineNmbr;
}
public ArrayList<Block> getFunctionBlocks() {
return functionBlocks;
}
public Block getFunctionBlock(int i) {
return functionBlocks.get(i);
}
public void setFunctionBlocks(ArrayList<Block> functionBlocks) {
this.functionBlocks = functionBlocks;
}
public void incNumCounts() {
this.numCounts++;
}
public int getNumCounts() {
return numCounts;
}
public int getNumBlocks() {
return numBlocks;
}
public void setNumBlocks(int numBlocks) {
this.numBlocks = numBlocks;
}
public CoverageInfo getCvrge() {
return cvrge;
}
}
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