/**
* Traverse the statements in the given body, looking for aggregation possibilities; that is,
* given a def d and a use u, d has no other uses, u has no other defs, collapse d and u.
*
* <p>option: only-stack-locals; if this is true, only aggregate variables starting with $
*/
protected void internalTransform(Body b, String phaseName, Map<String, String> options) {
StmtBody body = (StmtBody) b;
boolean onlyStackVars = PhaseOptions.getBoolean(options, "only-stack-locals");
int aggregateCount = 1;
if (Options.v().time()) Timers.v().aggregationTimer.start();
boolean changed = false;
Map<ValueBox, Zone> boxToZone =
new HashMap<ValueBox, Zone>(body.getUnits().size() * 2 + 1, 0.7f);
// Determine the zone of every box
{
Zonation zonation = new Zonation(body);
for (Unit u : body.getUnits()) {
Zone zone = zonation.getZoneOf(u);
for (ValueBox box : u.getUseBoxes()) {
boxToZone.put(box, zone);
}
for (ValueBox box : u.getDefBoxes()) {
boxToZone.put(box, zone);
}
}
}
do {
if (Options.v().verbose())
G.v()
.out
.println(
"["
+ body.getMethod().getName()
+ "] Aggregating iteration "
+ aggregateCount
+ "...");
// body.printTo(new java.io.PrintWriter(G.v().out, true));
changed = internalAggregate(body, boxToZone, onlyStackVars);
aggregateCount++;
} while (changed);
if (Options.v().time()) Timers.v().aggregationTimer.end();
}
// This method is deprecated. Use soot.util.JasminOutputStream instead.
public void writeXXXDeprecated(SootClass cl, String outputDir) {
String outputDirWithSep = "";
if (!outputDir.equals("")) outputDirWithSep = outputDir + fileSeparator;
try {
File tempFile = new File(outputDirWithSep + cl.getName() + ".jasmin");
FileOutputStream streamOut = new FileOutputStream(tempFile);
PrintWriter writerOut = new PrintWriter(new EscapedWriter(new OutputStreamWriter(streamOut)));
if (cl.containsBafBody()) new soot.baf.JasminClass(cl).print(writerOut);
else new soot.jimple.JasminClass(cl).print(writerOut);
writerOut.close();
if (Options.v().time()) Timers.v().assembleJasminTimer.start();
// Invoke jasmin
{
String[] args;
if (outputDir.equals("")) {
args = new String[1];
args[0] = cl.getName() + ".jasmin";
} else {
args = new String[3];
args[0] = "-d";
args[1] = outputDir;
args[2] = outputDirWithSep + cl.getName() + ".jasmin";
}
jasmin.Main.main(args);
}
tempFile.delete();
if (Options.v().time()) Timers.v().assembleJasminTimer.end();
} catch (IOException e) {
throw new RuntimeException("Could not produce new classfile! (" + e + ")");
}
}
