soot.AbstractUnitPrinter Maven / Gradle / Ivy
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
* .
* #L%
*/
import java.util.HashSet;
import soot.jimple.Constant;
import soot.jimple.IdentityRef;
import soot.jimple.Jimple;
/**
* Partial default UnitPrinter implementation.
*/
public abstract class AbstractUnitPrinter implements UnitPrinter {
public void setPositionTagger(AttributesUnitPrinter pt) {
this.pt = pt;
pt.setUnitPrinter(this);
}
public AttributesUnitPrinter getPositionTagger() {
return pt;
}
public void startUnit(Unit u) {
handleIndent();
if (pt != null) {
pt.startUnit(u);
}
}
public void endUnit(Unit u) {
if (pt != null) {
pt.endUnit(u);
}
}
public void startUnitBox(UnitBox ub) {
handleIndent();
}
public void endUnitBox(UnitBox ub) {
}
public void startValueBox(ValueBox vb) {
handleIndent();
if (pt != null) {
pt.startValueBox(vb);
}
}
public void endValueBox(ValueBox vb) {
if (pt != null) {
pt.endValueBox(vb);
}
}
public void noIndent() {
startOfLine = false;
}
public void incIndent() {
indent = indent + " ";
}
public void decIndent() {
if (indent.length() >= 4) {
indent = indent.substring(4);
}
}
public void setIndent(String indent) {
this.indent = indent;
}
public String getIndent() {
return indent;
}
public abstract void literal(String s);
public abstract void type(Type t);
public abstract void methodRef(SootMethodRef m);
public abstract void fieldRef(SootFieldRef f);
public abstract void identityRef(IdentityRef r);
public abstract void unitRef(Unit u, boolean branchTarget);
public void newline() {
output.append("\n");
startOfLine = true;
if (pt != null) {
pt.newline();
}
}
public void local(Local l) {
handleIndent();
if (quotableLocals == null) {
initializeQuotableLocals();
}
if (quotableLocals.contains(l.getName())) {
output.append("'" + l.getName() + "'");
} else {
output.append(l.getName());
}
}
public void constant(Constant c) {
handleIndent();
output.append(c.toString());
}
public String toString() {
String ret = output.toString();
output = new StringBuffer();
return ret;
}
public StringBuffer output() {
return output;
}
protected void handleIndent() {
if (startOfLine) {
output.append(indent);
}
startOfLine = false;
}
protected void initializeQuotableLocals() {
quotableLocals = new HashSet();
quotableLocals.addAll(Jimple.jimpleKeywordList());
}
protected boolean startOfLine = true;
protected String indent = " ";
protected StringBuffer output = new StringBuffer();
protected AttributesUnitPrinter pt;
protected HashSet quotableLocals;
}