private void initialize(Map<String, String> options) {
if (drawer == null) {
drawer = new CFGToDotGraph();
drawer.setBriefLabels(PhaseOptions.getBoolean(options, briefLabelOptionName));
drawer.setOnePage(!PhaseOptions.getBoolean(options, multipageOptionName));
drawer.setUnexceptionalControlFlowAttr("color", "black");
drawer.setExceptionalControlFlowAttr("color", "red");
drawer.setExceptionEdgeAttr("color", "lightgray");
drawer.setShowExceptions(Options.v().show_exception_dests());
ir = CFGIntermediateRep.getIR(PhaseOptions.getString(options, irOptionName));
graphtype = CFGGraphType.getGraphType(PhaseOptions.getString(options, graphTypeOptionName));
AltClassLoader.v().setAltClassPath(PhaseOptions.getString(options, altClassPathOptionName));
AltClassLoader.v()
.setAltClasses(
new String[] {
"soot.toolkits.graph.ArrayRefBlockGraph",
"soot.toolkits.graph.Block",
"soot.toolkits.graph.Block$AllMapTo",
"soot.toolkits.graph.BlockGraph",
"soot.toolkits.graph.BriefBlockGraph",
"soot.toolkits.graph.BriefUnitGraph",
"soot.toolkits.graph.CompleteBlockGraph",
"soot.toolkits.graph.CompleteUnitGraph",
"soot.toolkits.graph.TrapUnitGraph",
"soot.toolkits.graph.UnitGraph",
"soot.toolkits.graph.ZonedBlockGraph",
});
}
}
/**
* 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();
}