fix for missing Java 8 feature
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583cf37e59
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@ -0,0 +1,30 @@
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package special;
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class A {
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String name;
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A() {
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setX("silly");
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}
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public void setX(String name) {
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this.name = name;
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}
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@Override
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public
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String toString() {
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return name;
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}
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interface Ctor<T> {
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T make();
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}
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public static void main(String[] args) {
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Ctor<A> o = A::new;
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Object a = o.make();
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a.toString();
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}
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}
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@ -41,6 +41,26 @@ import com.ibm.wala.util.strings.Atom;
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*/
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public class LambdaTest extends WalaTestCase {
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@Test public void testStreamExample_137() throws IOException, ClassHierarchyException, IllegalArgumentException, CancelException {
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AnalysisScope scope = CallGraphTestUtil.makeJ2SEAnalysisScope(TestConstants.WALA_TESTDATA, CallGraphTestUtil.REGRESSION_EXCLUSIONS);
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ClassHierarchy cha = ClassHierarchyFactory.make(scope);
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Iterable<Entrypoint> entrypoints = com.ibm.wala.ipa.callgraph.impl.Util.makeMainEntrypoints(scope, cha,
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"Lspecial/A");
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AnalysisOptions options = CallGraphTestUtil.makeAnalysisOptions(scope, entrypoints);
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CallGraph cg = CallGraphTestUtil.buildZeroCFA(options, new AnalysisCacheImpl(), cha, scope, false);
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TypeReference A = TypeReference.findOrCreate(ClassLoaderReference.Application, "Lspecial/A");
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MethodReference ct = MethodReference.findOrCreate(A, Atom.findOrCreateUnicodeAtom("<init>"), Descriptor.findOrCreateUTF8("()V"));
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Set<CGNode> ctnodes = cg.getNodes(ct);
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Assert.assertEquals(1, ctnodes.size());
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MethodReference ts = MethodReference.findOrCreate(A, Atom.findOrCreateUnicodeAtom("toString"), Descriptor.findOrCreateUTF8("()Ljava/lang/String;"));
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Set<CGNode> tsnodes = cg.getNodes(ts);
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Assert.assertEquals(1, tsnodes.size());
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}
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@Test public void testSortingExample() throws ClassHierarchyException, IllegalArgumentException, CancelException, IOException {
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AnalysisScope scope = CallGraphTestUtil.makeJ2SEAnalysisScope(TestConstants.WALA_TESTDATA, CallGraphTestUtil.REGRESSION_EXCLUSIONS);
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@ -20,6 +20,7 @@ import com.ibm.wala.classLoader.CallSiteReference;
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import com.ibm.wala.classLoader.IClass;
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import com.ibm.wala.classLoader.IField;
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import com.ibm.wala.classLoader.IMethod;
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import com.ibm.wala.classLoader.NewSiteReference;
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import com.ibm.wala.classLoader.SyntheticClass;
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import com.ibm.wala.ipa.callgraph.CGNode;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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@ -257,27 +258,39 @@ public class LambdaSummaryClass extends SyntheticClass {
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MethodReference callee = MethodReference.findOrCreate(ClassLoaderReference.Application, getLambdaCalleeClass(), getLambdaCalleeName(), getLambdaCalleeSignature());
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Dispatch code;
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boolean isNew = false;
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int new_v = -1;
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int kind = getLambdaCalleeKind();
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switch (kind) {
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case 5: code = Dispatch.VIRTUAL; break;
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case 6: code = Dispatch.STATIC; break;
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case 7: code = Dispatch.SPECIAL; break;
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case 8: code = Dispatch.SPECIAL; isNew = true; break;
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case 9: code = Dispatch.INTERFACE; break;
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default:
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throw new Error("unexpected dynamic invoke type " + kind);
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}
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int numParams = getClassHierarchy().resolveMethod(callee).getNumberOfParameters();
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int params[] = new int[ numParams ];
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for(int i = 0; i < invoke.getNumberOfParameters(); i++) {
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for(int i = isNew? 1: 0; i < invoke.getNumberOfParameters(); i++) {
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params[i] = args + i + 1;
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}
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for(int n = 2, i = invoke.getNumberOfParameters(); i < numParams; i++) {
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params[i] = n++;
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}
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if (isNew) {
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v++;
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summary.addStatement(insts.NewInstruction(inst++, new_v=v++, NewSiteReference.make(inst, callee.getDeclaringClass())));
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params[0] = new_v;
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}
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if (callee.getReturnType().equals(TypeReference.Void)) {
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summary.addStatement(insts.InvokeInstruction(inst++, params, v++, CallSiteReference.make(inst, callee, code), null));
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if (isNew) {
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summary.addStatement(insts.ReturnInstruction(inst++, new_v, false));
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}
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} else {
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int ret = v++;
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summary.addStatement(insts.InvokeInstruction(inst++, ret, params, v++, CallSiteReference.make(inst, callee, code), null));
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