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AbstractUnitPrinter.java
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169 lines (144 loc) · 3.38 KB
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package soot;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2003 - 2004 Ondrej Lhotak
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 2.1 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import java.util.HashSet;
import soot.jimple.Constant;
import soot.jimple.Jimple;
/**
* Partial default UnitPrinter implementation.
*/
public abstract class AbstractUnitPrinter implements UnitPrinter {
protected boolean startOfLine = true;
protected String indent = " ";
protected StringBuffer output = new StringBuffer();
protected AttributesUnitPrinter pt;
protected HashSet<String> quotableLocals;
@Override
public void setPositionTagger(AttributesUnitPrinter pt) {
this.pt = pt;
pt.setUnitPrinter(this);
}
@Override
public AttributesUnitPrinter getPositionTagger() {
return pt;
}
@Override
public void startUnit(Unit u) {
handleIndent();
if (pt != null) {
pt.startUnit(u);
}
}
@Override
public void endUnit(Unit u) {
if (pt != null) {
pt.endUnit(u);
}
}
@Override
public void startUnitBox(UnitBox ub) {
handleIndent();
}
@Override
public void endUnitBox(UnitBox ub) {
}
@Override
public void startValueBox(ValueBox vb) {
handleIndent();
if (pt != null) {
pt.startValueBox(vb);
}
}
@Override
public void endValueBox(ValueBox vb) {
if (pt != null) {
pt.endValueBox(vb);
}
}
@Override
public void noIndent() {
startOfLine = false;
}
@Override
public void incIndent() {
indent += " ";
}
@Override
public void decIndent() {
if (indent.length() >= 4) {
indent = indent.substring(4);
}
}
@Override
public void setIndent(String indent) {
this.indent = indent;
}
@Override
public String getIndent() {
return indent;
}
@Override
public void newline() {
output.append('\n');
startOfLine = true;
if (pt != null) {
pt.newline();
}
}
@Override
public void local(Local l) {
handleIndent();
if (quotableLocals == null) {
initializeQuotableLocals();
}
String name = l.getName();
if (quotableLocals.contains(name)) {
output.append('\'').append(name).append('\'');
} else {
output.append(name);
}
}
@Override
public void constant(Constant c) {
handleIndent();
output.append(c.toString());
}
@Override
public String toString() {
String ret = output.toString();
output = new StringBuffer();
return ret;
}
@Override
public StringBuffer output() {
return output;
}
protected void handleIndent() {
if (startOfLine) {
output.append(indent);
}
startOfLine = false;
}
protected void initializeQuotableLocals() {
quotableLocals = new HashSet<String>(Jimple.jimpleKeywordList());
}
}