private static void computeVariants(
final MoJo mojo, final IMethod im, final MethodInfo nfo, final String outDir)
throws IllegalArgumentException, FileNotFoundException, CancelException, PDGFormatException,
WalaException {
final boolean ignoreExceptions = true;
final Aliasing minMax = mojo.computeMinMaxAliasing(im);
computeAliasVariants(mojo, minMax, im, ignoreExceptions, outDir + File.separator + "minmax");
if (nfo.hasIFCStmts()) {
int num = 0;
for (IFCStmt ifc : nfo.getIFCStmts()) {
num++;
if (ifc.hasAliasStmt()) {
try {
final Aliasing stmtAlias = mojo.computeMayAliasGraphs(nfo, ifc);
computeAliasVariants(
mojo, stmtAlias, im, ignoreExceptions, outDir + File.separator + "ifc" + num);
} catch (AliasGraphException exc) {
System.err.println("Could not compute alias graph for " + nfo);
System.err.println(exc.getMessage());
exc.printStackTrace();
} catch (NoSuchElementException exc) {
System.err.println("Could not compute alias graph for " + nfo);
System.err.println(exc.getMessage());
exc.printStackTrace();
} catch (FlowAstException exc) {
System.err.println("Could not compute alias graph for " + nfo);
System.err.println(exc.getMessage());
exc.printStackTrace();
}
}
}
}
// TODO do pair method param alias
}
/**
* @param args
* @throws CancelException
* @throws UnsoundGraphException
* @throws IOException
* @throws WalaException
* @throws PDGFormatException
* @throws IllegalArgumentException
*/
public static void main(String[] args)
throws IOException, UnsoundGraphException, CancelException, IllegalArgumentException,
PDGFormatException, WalaException {
// check for ifc annotations
System.out.print("Parsing source files for ifc annotations... ");
List<ClassInfo> clsInfos = MoJo.parseSourceFiles("../joana.wala.modular.testdata/src");
System.out.println("done.");
System.out.print("Checking for syntactic errors... ");
final int errors = MoJo.prepareFlowLessStmts(clsInfos);
if (errors > 0) {
System.out.print("(" + errors + " errors) ");
}
System.out.println("done.");
// prepare base sdg
MethodListCheck mlc = new MethodListCheck(null, "./out/", /* do debug output */ false);
for (ClassInfo cls : clsInfos) {
for (MethodInfo m : cls.getMethods()) {
if (m.hasIFCStmts()) {
// mark as external call targets
// System.err.println(m.toString());
mlc.addMethod(m);
}
}
}
// mlc.addMethod("module.Module.encrypt(II)I");
// mlc.addMethod("module.Module.encrypt(Lmodule/Module$Message;I)Lmodule/Module$Message;");
Config cfg =
new Config(
"program",
"program.Program.main([Ljava/lang/String;)V",
"../joana.wala.modular.testdata/dist/mojo-test-program.jar",
PointsToPrecision.CONTEXT_SENSITIVE,
ExceptionAnalysis.INTRAPROC,
false,
Main.STD_EXCLUSION_REG_EXP,
"../../contrib/lib/stubs/natives_empty.xml",
"../../contrib/lib/stubs/jSDG-stubs-jre1.4.jar",
mlc,
"./out/",
FieldPropagation.FLAT);
Main.run(System.out, cfg);
// precompute library methods
final String binlib1 = "../joana.wala.modular.testdata/dist/mojo-test-modules1.jar";
runComputeModule(binlib1, cfg, "./out/lib_module1");
final String binlib2 = "../joana.wala.modular.testdata/dist/mojo-test-modules2.jar";
runComputeModule(binlib2, cfg, "./out/lib_module2");
// merge precomputed dependency graphs
final ModuleCFG mainModule =
new ModuleCFG(
"program.Program.main([Ljava/lang/String;)V",
"../joana.wala.modular.testdata/dist/mojo-test-program.jar");
final ModuleCFG[] otherModules1 =
new ModuleCFG[] {
new ModuleCFG("module1", "../joana.wala.modular.testdata/dist/mojo-test-modules1.jar")
};
MergeModules.runMergeModules("merge_modules1", "./out/", mainModule, otherModules1, mlc);
final ModuleCFG[] otherModules2 =
new ModuleCFG[] {
new ModuleCFG("module2", "../joana.wala.modular.testdata/dist/mojo-test-modules2.jar")
};
MergeModules.runMergeModules("merge_modules2", "./out/", mainModule, otherModules2, mlc);
}