public static Preset finalize(Preset empty, AnalysisScope scope, IClassHierarchy cha) {
Preset p = empty;
p.scfg.cha = cha;
// The preliminary settings of WALAs AnalysisOptions
p.options.setReflectionOptions(ReflectionOptions.FULL);
AndroidEntryPointManager.MANAGER.setInstantiationBehavior(
new DefaultInstantiationBehavior(cha));
Util.addDefaultSelectors(p.options, cha);
Util.addDefaultBypassLogic(p.options, scope, Util.class.getClassLoader(), cha); // ??
// No changes to the settings of AndroidEntypointManager...
// p.aem
// p.entrypointLocatorFlags = EnumSet.of(LocatorFlags.EP_HEURISTIC, LocatorFlags.WITH_SUPER,
// LocatorFlags.INCLUDE_CALLBACKS, LocatorFlags.CB_HEURISTIC);
p.entrypointLocatorFlags =
EnumSet.of(
LocatorFlags.EP_HEURISTIC, LocatorFlags.CB_HEURISTIC, LocatorFlags.INCLUDE_CALLBACKS);
// The following selectors will be injected when Joana generates its new
// AnalysisOptions
// TODO: Add ReflectionContext ?
p.ctxSel = new DefaultContextSelector(p.options, p.scfg.cha);
p.ctxIpr = new DefaultSSAInterpreter(p.options, p.scfg.cache);
p.instKeys = new ZeroXInstanceKeys(p.options, p.scfg.cha, p.ctxIpr, ZeroXInstanceKeys.NONE);
return p;
}
/**
* Make the analysis as cheap as possible.
*
* <p>These settings barely respect context. They are intended for testing purposes. Remember to
* call {@link #regenerate(Preset)} when you alter these settings outside.
*
* @param p preset to alter
* @return altered preset
*/
public static Preset applyFast(final Preset p) {
// Let the model use a single global instance for each type..
p.scfg.fieldPropagation = FieldPropagation.FLAT;
p.scfg.pts = PointsToPrecision.TYPE_BASED;
Preset.aem.setDoBootSequence(false);
// The setting of entrypointLocatorFlags causes missed entrypoints!
p.entrypointLocatorFlags = EnumSet.noneOf(LocatorFlags.class);
// Create a dummy Context Selector and interpreter...
p.options.setReflectionOptions(ReflectionOptions.NONE);
p.ctxSel = ReflectionContextSelector.createReflectionContextSelector(p.options);
p.ctxIpr =
ReflectionContextInterpreter.createReflectionContextInterpreter(
p.scfg.cha, p.options, p.scfg.cache);
return p;
}
/**
* Default settings as described below.
*
* <p>These settings contain: * a relatively basic setting for the context-sensitivity * no
* entrypoints have been set(!)
*
* @return a bunch of settings
*/
public static Preset makeDefault(AnalysisScope scope, IClassHierarchy cha) {
final Preset p = new Preset(scope);
// The following settings are used by Joana. Based on them new settings of
// WALAs AnalysisOptions will be generated by Joana.
applyPrettyCLIOutput(p);
p.scfg.cache = new AnalysisCache((IRFactory<IMethod>) new DexIRFactory());
p.scfg.cha = cha;
// On external stuff. These settings have little effect on the result.
p.scfg.ext = makeStandardExternalCallCheck();
p.scfg.accessPath = false; // Setting this to true overrides other settings
// On debugging
p.scfg.showTypeNameInValue = false; // on true: Second type-inference often breaks
p.scfg.debugManyGraphsDotOutput = false;
p.scfg.immutableNoOut = Main.IMMUTABLE_NO_OUT;
p.scfg.immutableStubs = Main.IMMUTABLE_STUBS;
p.scfg.ignoreStaticFields = Main.IGNORE_STATIC_FIELDS;
// What to considder
// p.scfg.exceptions = ExceptionAnalysis.ALL_NO_ANALYSIS;
p.scfg.exceptions = ExceptionAnalysis.IGNORE_ALL;
p.scfg.staticInitializers =
StaticInitializationTreatment.SIMPLE; // Do not use ACCURATE: Is defunct
// Precision
p.scfg.pts = PointsToPrecision.INSTANCE_BASED;
p.scfg.prunecg = Main.DEFAULT_PRUNE_CG;
// p.scfg.fieldPropagation = FieldPropagation.OBJ_GRAPH; // Do not use OBJ_TREE: Is outdated
// p.scfg.fieldPropagation = FieldPropagation.OBJ_GRAPH_SIMPLE_PROPAGATION;
p.scfg.fieldPropagation = FieldPropagation.OBJ_GRAPH_NO_FIELD_MERGE;
p.scfg.computeInterference = false;
// The preliminary settings of WALAs AnalysisOptions
p.options.setReflectionOptions(ReflectionOptions.FULL);
AndroidEntryPointManager.MANAGER.setInstantiationBehavior(
new DefaultInstantiationBehavior(cha));
Util.addDefaultSelectors(p.options, cha);
Util.addDefaultBypassLogic(p.options, scope, Util.class.getClassLoader(), cha); // ??
// No changes to the settings of AndroidEntypointManager...
// p.aem
// p.entrypointLocatorFlags = EnumSet.of(LocatorFlags.EP_HEURISTIC, LocatorFlags.WITH_SUPER,
// LocatorFlags.INCLUDE_CALLBACKS, LocatorFlags.CB_HEURISTIC);
p.entrypointLocatorFlags =
EnumSet.of(
LocatorFlags.EP_HEURISTIC, LocatorFlags.CB_HEURISTIC, LocatorFlags.INCLUDE_CALLBACKS);
// The following selectors will be injected when Joana generates its new
// AnalysisOptions
// TODO: Add ReflectionContext ?
p.ctxSel = new DefaultContextSelector(p.options, p.scfg.cha);
p.ctxIpr = new DefaultSSAInterpreter(p.options, p.scfg.cache);
p.instKeys = new ZeroXInstanceKeys(p.options, p.scfg.cha, p.ctxIpr, ZeroXInstanceKeys.NONE);
LogLevels.setLevels();
Preset.aem.setOverrides(AndroidEntryPointManager.DEFAULT_INTENT_OVERRIDES);
// XXX TEMP:
Preset.aem.setDoBootSequence(false);
return p;
}