Generalize certain IR data structures to be less Java-specific. Generalize annotations code to allow for reading annotation parameters. Various other fixes
git-svn-id: https://wala.svn.sourceforge.net/svnroot/wala/trunk@4290 f5eafffb-2e1d-0410-98e4-8ec43c5233c4
This commit is contained in:
parent
bd315e7718
commit
59e46916ce
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@ -138,7 +138,7 @@ public abstract class JavaIRTests extends IRTests {
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final IClass iClass = cg.getClassHierarchy().lookupClass(type);
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Assert.assertNotNull("Could not find class " + typeStr, iClass);
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final Collection<IClass> interfaces = iClass.getDirectInterfaces();
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final Collection<? extends IClass> interfaces = iClass.getDirectInterfaces();
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Assert.assertEquals("Expected one single interface.", interfaces.size(), 1);
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@ -321,7 +321,6 @@ public class JavaCAst2IRTranslator extends AstTranslator {
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setValue(n, result);
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return false;
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}
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protected void leaveCast(CAstNode n, Context c, CAstVisitor visitor) {
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WalkContext context = (WalkContext)c;
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int result = getValue(n);
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@ -332,29 +331,42 @@ public class JavaCAst2IRTranslator extends AstTranslator {
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TypeReference fromRef = makeType(fromType);
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if (toRef.isPrimitiveType()) {
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context.cfg().addInstruction(insts.ConversionInstruction(result, getValue(n.getChild(1)), fromRef, toRef, false));
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context.cfg().addInstruction(
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insts.ConversionInstruction(
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result,
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getValue(n.getChild(1)),
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fromRef,
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toRef,
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false));
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} else {
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context.cfg().addInstruction(insts.CheckCastInstruction(result, getValue(n.getChild(1)), toRef));
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context.cfg().addInstruction(
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insts.CheckCastInstruction(
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result,
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getValue(n.getChild(1)),
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toRef,
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true));
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processExceptions(n, context);
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}
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}
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protected boolean visitInstanceOf(CAstNode n, Context c, CAstVisitor visitor) {
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WalkContext context = (WalkContext)c;
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int result = context.currentScope().allocateTempValue();
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setValue(n, result);
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return false;
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}
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protected void leaveInstanceOf(CAstNode n, Context c, CAstVisitor visitor) {
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WalkContext context = (WalkContext)c;
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int result = getValue(n);
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CAstType type = (CAstType) n.getChild(0).getValue();
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TypeReference ref = makeType( type );
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context.cfg().addInstruction(insts.InstanceofInstruction(result, getValue(n.getChild(1)), ref));
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context.cfg().addInstruction(
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insts.InstanceofInstruction(
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result,
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getValue(n.getChild(1)),
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ref));
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}
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protected boolean doVisit(CAstNode n, Context context, CAstVisitor visitor) {
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@ -369,7 +381,6 @@ public class JavaCAst2IRTranslator extends AstTranslator {
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visitor.visit(n.getChild(0), wc, visitor);
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wc.cfg().addInstruction(insts.MonitorInstruction(getValue(n.getChild(0)), false));
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processExceptions(n, wc);
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return true;
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} else {
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return super.doVisit(n, wc, visitor);
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@ -39,4 +39,5 @@ public class FileMapping{
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ps.println(line + ": " + fnAndln);
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}
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}
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}
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@ -347,20 +347,22 @@ public class JavaScriptLoader extends CAstAbstractModuleLoader {
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};
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}
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference[] types) {
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference[] types, boolean isPEI) {
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throw new UnsupportedOperationException();
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}
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, int[] typeValues) {
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, int[] typeValues, boolean isPEI) {
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throw new UnsupportedOperationException();
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}
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, int typeValue) {
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return CheckCastInstruction(result, val, new int[] { typeValue });
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, int typeValue, boolean isPEI) {
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assert isPEI;
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return CheckCastInstruction(result, val, new int[]{ typeValue }, true);
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}
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference type) {
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return CheckCastInstruction(result, val, new TypeReference[] { type });
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public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference type, boolean isPEI) {
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assert isPEI;
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return CheckCastInstruction(result, val, new TypeReference[]{ type }, true);
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}
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public SSAComparisonInstruction ComparisonInstruction(Operator operator, int result, int val1, int val2) {
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@ -121,10 +121,10 @@ public class CrossLanguageCallGraph extends AstCallGraph {
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return root.addGetStatic(ref);
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}
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public int addCheckcast(TypeReference[] type, int rv) {
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public int addCheckcast(TypeReference[] type, int rv, boolean isPEI) {
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Atom language = type[0].getClassLoader().getLanguage();
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AbstractRootMethod root = getLanguageRoot(language);
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return root.addCheckcast(type, rv);
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return root.addCheckcast(type, rv, isPEI);
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}
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public SSANewInstruction addAllocation(TypeReference type) {
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@ -21,6 +21,7 @@ import java.util.Iterator;
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import org.junit.AfterClass;
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import org.junit.Assert;
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import org.junit.Ignore;
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import org.junit.Test;
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import com.ibm.wala.core.tests.callGraph.CallGraphTestUtil;
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@ -220,6 +221,7 @@ public class SlicerTest {
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* @throws IllegalArgumentException
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* @throws IOException
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*/
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@Ignore
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@Test
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public void testSlice7() throws ClassHierarchyException, IllegalArgumentException, CancelException, IOException {
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AnalysisScope scope = findOrCreateAnalysisScope();
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@ -150,7 +150,7 @@ public class ReflectiveInvocationInterpreter extends AbstractReflectionInterpret
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// insert a cast for v2 to filter out bogus types
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args[0] = nextLocal++;
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TypeReference type = target.getParameterType(0);
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SSACheckCastInstruction cast = insts.CheckCastInstruction(args[0], 2, type);
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SSACheckCastInstruction cast = insts.CheckCastInstruction(args[0], 2, type, true);
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m.addInstruction(null, cast, false);
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}
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}
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@ -170,7 +170,7 @@ public class ReflectiveInvocationInterpreter extends AbstractReflectionInterpret
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args[j] = nextLocal++;
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TypeReference type = target.getParameterType(j);
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// we insert a cast to filter out bogus types
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SSACheckCastInstruction cast = insts.CheckCastInstruction(args[j], temp, type);
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SSACheckCastInstruction cast = insts.CheckCastInstruction(args[j], temp, type, true);
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m.addInstruction(null, cast, false);
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pc++;
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}
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@ -85,16 +85,6 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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*/
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final private ShrikeCFG cfg;
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/**
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* The max height of the stack.
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*/
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final private int maxStackHeight;
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/**
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* the max number of locals in play
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*/
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final protected int maxLocals;
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/**
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* Should uninitialized variables be considered TOP (optimistic) or BOTTOM (pessimistic);
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*/
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@ -104,8 +94,6 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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if (G == null) {
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throw new IllegalArgumentException("G is null");
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}
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maxStackHeight = G.getMaxStackHeight();
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maxLocals = G.getMaxLocals();
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this.cfg = G;
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}
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@ -394,7 +382,7 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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// allocate lhs.stack if it's
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// not already allocated.
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if (L.stack == null) {
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L.allocateStack();
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L.allocateStack(1);
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L.stackHeight = 1;
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}
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@ -430,8 +418,8 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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// if there's any stack height to meet, allocate lhs.stack if it's
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// not already allocated.
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if (height > -1 && L.stack == null) {
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L.allocateStack();
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if (height > -1 && (L.stack == null || L.stack.length < height)) {
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L.allocateStack(height);
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L.stackHeight = height;
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changed = true;
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}
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@ -441,7 +429,7 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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int[] R = new int[rhs.length];
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for (int j = 0; j < R.length; j++) {
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MachineState m = (MachineState) rhs[j];
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if (m.stack == null) {
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if (m.stack == null || m.stack.length < i+1) {
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R[j] = TOP;
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} else {
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R[j] = m.stack[i];
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@ -478,8 +466,8 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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MachineState L = (MachineState) lhs;
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// need we allocate lhs.locals?
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int nLocals = computeMeetNLocals(rhs);
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if (nLocals > -1 && L.locals == null) {
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L.allocateLocals();
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if (nLocals > -1 && (L.locals == null || L.locals.length < nLocals)) {
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L.allocateLocals(nLocals);
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}
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// evaluate the element-wise meet over the locals.
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@ -577,6 +565,7 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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void setTOP() {
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stackHeight = -1;
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stack = null;
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}
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boolean isTOP() {
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@ -584,8 +573,8 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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}
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public void push(int i) {
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if (stack == null)
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allocateStack();
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if (stack == null || stackHeight >= stack.length)
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allocateStack(stackHeight+1);
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stack[stackHeight++] = i;
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}
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@ -607,13 +596,30 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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stack[stackHeight - 2] = temp;
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}
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private void allocateStack() {
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stack = new int[maxStackHeight + 1];
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stackHeight = 0;
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private void allocateStack(int stackHeight) {
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if (stack == null) {
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stack = new int[stackHeight + 1 ];
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this.stackHeight = 0;
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} else {
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int[] newStack = new int[ Math.max(stack.length, stackHeight) * 2 + 1 ];
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System.arraycopy(stack, 0, newStack, 0, stack.length);
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stack = newStack;
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}
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}
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private void allocateLocals() {
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locals = allocateNewLocalsArray();
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private void allocateLocals(int maxLocals) {
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int[] result = new int[maxLocals];
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int start = 0;
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if (locals != null) {
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System.arraycopy(locals, 0, result, 0, locals.length);
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start = locals.length;
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}
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for (int i = start; i < maxLocals; i++) {
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result[i] = OPTIMISTIC ? TOP : BOTTOM;
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}
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locals = result;
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}
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public void clearStack() {
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@ -627,11 +633,11 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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* @param j
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*/
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public void setLocal(int i, int j) {
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if (locals == null) {
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if (locals == null || locals.length < i+1) {
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if (OPTIMISTIC && (j == TOP)) {
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return;
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} else {
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allocateLocals();
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allocateLocals(i+1);
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}
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}
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locals[i] = j;
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@ -642,7 +648,7 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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* @return the number of the symbol corresponding to local i
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*/
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public int getLocal(int i) {
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if (locals == null) {
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if (locals == null || locals.length < i+1) {
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if (OPTIMISTIC) {
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return TOP;
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} else {
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@ -660,7 +666,7 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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stack[i] = to;
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if (locals != null)
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for (int i = 0; i < maxLocals; i++)
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for (int i = 0; i < locals.length; i++)
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if (locals[i] == from)
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locals[i] = to;
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}
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@ -672,7 +678,7 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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return true;
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if (locals != null)
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for (int i = 0; i < maxLocals; i++)
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for (int i = 0; i < locals.length; i++)
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if (locals[i] == val)
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return true;
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@ -692,7 +698,7 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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result.append(array2StringBuffer(stack, stackHeight));
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}
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result.append("L");
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result.append(array2StringBuffer(locals, maxLocals));
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result.append(array2StringBuffer(locals, locals.length));
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result.append(">");
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return result.toString();
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}
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@ -775,14 +781,6 @@ public abstract class AbstractIntStackMachine implements FixedPointConstants {
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}
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public int[] allocateNewLocalsArray() {
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int[] result = new int[maxLocals];
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for (int i = 0; i < maxLocals; i++) {
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result[i] = OPTIMISTIC ? TOP : BOTTOM;
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}
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return result;
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}
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/**
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* Interface which defines a flow function for a basic block
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*/
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@ -31,7 +31,7 @@ public class ConeType extends TypeAbstraction {
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if (type == null) {
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throw new IllegalArgumentException("type is null");
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}
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assert type.getReference().isReferenceType();
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assert type.getReference().isReferenceType() : type;
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this.type = type;
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}
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@ -33,7 +33,7 @@ public abstract class TypeAbstraction implements ContextItem {
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@Override
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public String toString() {
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return "JavaTypeAbstraction.TOP";
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return "WalaTypeAbstraction.TOP";
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}
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@Override
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@ -538,7 +538,9 @@ public class TypeInference extends SSAInference<TypeVariable> implements FixedPo
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TypeReference type = instruction.getDeclaredFieldType();
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if (doPrimitives && type.isPrimitiveType()) {
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result = new DeclaredTypeOperator(language.getPrimitive(type));
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PrimitiveType p = language.getPrimitive(type);
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assert p != null : "no type for " + type;
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result = new DeclaredTypeOperator(p);
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} else {
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IClass klass = cha.lookupClass(type);
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if (klass == null) {
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@ -593,10 +595,18 @@ public class TypeInference extends SSAInference<TypeVariable> implements FixedPo
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// be pessimistic
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typeAbs = BOTTOM;
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} else {
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TypeAbstraction x = null;
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if (doPrimitives && type.isPrimitiveType()) {
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x = language.getPrimitive(type);
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} else if (type.isReferenceType()) {
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x = new ConeType(klass);
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}
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if (x != null) {
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if (typeAbs == null) {
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typeAbs = new ConeType(klass);
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typeAbs = x;
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} else {
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typeAbs = typeAbs.meet(new ConeType(klass));
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typeAbs = typeAbs.meet(x);
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}
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}
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}
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}
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|
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@ -663,4 +663,5 @@ public abstract class AbstractCFG<I, T extends IBasicBlock<I>> implements Contro
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}
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return result;
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}
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}
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|
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@ -59,7 +59,11 @@ public class ShrikeCFG extends AbstractCFG<IInstruction, ShrikeCFG.BasicBlock> {
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*/
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final private Set<ExceptionHandler> exceptionHandlers = HashSetFactory.make(10);
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public ShrikeCFG(IBytecodeMethod method) throws IllegalArgumentException {
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public static ShrikeCFG make(IBytecodeMethod m) {
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return new ShrikeCFG(m);
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}
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private ShrikeCFG(IBytecodeMethod method) throws IllegalArgumentException {
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super(method);
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if (method == null) {
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throw new IllegalArgumentException("method cannot be null");
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@ -426,7 +430,11 @@ public class ShrikeCFG extends AbstractCFG<IInstruction, ShrikeCFG.BasicBlock> {
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// this is the last non-exit block
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return getInstructions().length - 1;
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} else {
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BasicBlock next = getNode(getNumber() + 1);
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int i = 1;
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BasicBlock next;
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do {
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next = getNode(getNumber() + i);
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} while (next == null);
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return next.getFirstInstructionIndex() - 1;
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}
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}
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@ -502,14 +510,6 @@ public class ShrikeCFG extends AbstractCFG<IInstruction, ShrikeCFG.BasicBlock> {
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return s.toString();
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}
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public int getMaxStackHeight() {
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return method.getMaxStackHeight();
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}
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public int getMaxLocals() {
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return method.getMaxLocals();
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}
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public Set<ExceptionHandler> getExceptionHandlers() {
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return exceptionHandlers;
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}
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@ -17,7 +17,6 @@ import java.util.HashSet;
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import com.ibm.wala.ipa.cha.IClassHierarchy;
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import com.ibm.wala.shrikeBT.Constants;
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import com.ibm.wala.types.ClassLoaderReference;
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import com.ibm.wala.types.Selector;
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import com.ibm.wala.types.TypeName;
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import com.ibm.wala.types.TypeReference;
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|
@ -50,7 +49,7 @@ public class ArrayClass implements IClass, Constants {
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Assertions.UNREACHABLE("caller should not attempt to create an array with type " + type);
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}
|
||||
} else {
|
||||
assert loader.getReference().equals(ClassLoaderReference.Primordial);
|
||||
// assert loader.getReference().equals(ClassLoaderReference.Primordial);
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -123,7 +122,7 @@ public class ArrayClass implements IClass, Constants {
|
|||
* @see com.ibm.wala.classLoader.IClass#getMethod(com.ibm.wala.classLoader.Selector)
|
||||
*/
|
||||
public IMethod getMethod(Selector sig) {
|
||||
return loader.lookupClass(getClassLoader().getLanguage().getRootType().getName()).getMethod(sig);
|
||||
return cha.lookupClass(getClassLoader().getLanguage().getRootType()).getMethod(sig);
|
||||
}
|
||||
|
||||
public IField getField(Atom name) {
|
||||
|
|
|
@ -12,6 +12,10 @@ package com.ibm.wala.classLoader;
|
|||
|
||||
import java.io.File;
|
||||
|
||||
import com.ibm.wala.shrikeCT.InvalidClassFileException;
|
||||
import com.ibm.wala.util.warnings.Warning;
|
||||
import com.ibm.wala.util.warnings.Warnings;
|
||||
|
||||
/**
|
||||
* Module representing a directory of .class files
|
||||
*/
|
||||
|
@ -27,8 +31,19 @@ public class BinaryDirectoryTreeModule extends DirectoryTreeModule {
|
|||
}
|
||||
|
||||
@Override
|
||||
protected FileModule makeFile(File file) {
|
||||
protected FileModule makeFile(final File file) {
|
||||
try {
|
||||
return new ClassFileModule(file);
|
||||
} catch (InvalidClassFileException e) {
|
||||
Warnings.add(new Warning(Warning.MODERATE) {
|
||||
|
||||
@Override
|
||||
public String getMsg() {
|
||||
return "Invalid class file at path " + file.getAbsolutePath();
|
||||
}
|
||||
});
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
@ -279,7 +279,7 @@ public abstract class BytecodeClass<T extends IClassLoader> implements IClass {
|
|||
/*
|
||||
* @see com.ibm.wala.classLoader.IClass#getDirectInterfaces()
|
||||
*/
|
||||
public Collection<IClass> getDirectInterfaces() {
|
||||
public Collection<? extends IClass> getDirectInterfaces() {
|
||||
return array2IClassSet(interfaceNames);
|
||||
}
|
||||
|
||||
|
@ -416,9 +416,9 @@ public abstract class BytecodeClass<T extends IClassLoader> implements IClass {
|
|||
* @return Collection of IClasses, representing the interfaces this class implements.
|
||||
*/
|
||||
protected Collection<IClass> computeAllInterfacesAsCollection() {
|
||||
Collection<IClass> c = getDirectInterfaces();
|
||||
Collection<? extends IClass> c = getDirectInterfaces();
|
||||
Set<IClass> result = HashSetFactory.make();
|
||||
for (Iterator<IClass> it = c.iterator(); it.hasNext();) {
|
||||
for (Iterator<? extends IClass> it = c.iterator(); it.hasNext();) {
|
||||
IClass klass = it.next();
|
||||
if (klass.isInterface()) {
|
||||
result.add(klass);
|
||||
|
|
|
@ -14,7 +14,6 @@ package com.ibm.wala.classLoader;
|
|||
import java.io.File;
|
||||
|
||||
import com.ibm.wala.shrikeCT.InvalidClassFileException;
|
||||
import com.ibm.wala.util.debug.Assertions;
|
||||
import com.ibm.wala.util.shrike.ShrikeClassReaderHandle;
|
||||
import com.ibm.wala.util.strings.ImmutableByteArray;
|
||||
|
||||
|
@ -25,18 +24,10 @@ public class ClassFileModule extends FileModule {
|
|||
|
||||
private final String className;
|
||||
|
||||
public ClassFileModule(File f) {
|
||||
public ClassFileModule(File f) throws InvalidClassFileException {
|
||||
super(f);
|
||||
// this is delicate: TODO, clean it up a bit.
|
||||
ShrikeClassReaderHandle reader = new ShrikeClassReaderHandle(this);
|
||||
ImmutableByteArray name = null;
|
||||
try {
|
||||
name = ImmutableByteArray.make(reader.get().getName());
|
||||
} catch (InvalidClassFileException e) {
|
||||
System.err.println("Invalid class file: " + f.getAbsolutePath());
|
||||
e.printStackTrace();
|
||||
Assertions.UNREACHABLE();
|
||||
}
|
||||
ImmutableByteArray name = ImmutableByteArray.make(reader.get().getName());
|
||||
className = name.toString();
|
||||
}
|
||||
|
||||
|
|
|
@ -157,7 +157,6 @@ public class ClassLoaderImpl implements IClassLoader {
|
|||
}
|
||||
TreeSet<ModuleEntry> sortedEntries = new TreeSet<ModuleEntry>(HashCodeComparator.instance());
|
||||
sortedEntries.addAll(Iterator2Collection.toSet(M.getEntries()));
|
||||
|
||||
HashSet<ModuleEntry> result = HashSetFactory.make();
|
||||
for (Iterator it = sortedEntries.iterator(); it.hasNext();) {
|
||||
ModuleEntry entry = (ModuleEntry) it.next();
|
||||
|
|
|
@ -36,6 +36,9 @@ public abstract class DirectoryTreeModule implements Module {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* returns null if unsuccessful in creating FileModule
|
||||
*/
|
||||
protected abstract FileModule makeFile(File file);
|
||||
|
||||
protected abstract boolean includeFile(File file);
|
||||
|
@ -48,7 +51,10 @@ public abstract class DirectoryTreeModule implements Module {
|
|||
if (files[i].isDirectory()) {
|
||||
result.addAll(getEntriesRecursive(files[i]));
|
||||
} else if (includeFile(files[i])) {
|
||||
result.add(makeFile(files[i]));
|
||||
FileModule fileModule = makeFile(files[i]);
|
||||
if (fileModule != null) {
|
||||
result.add(fileModule);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
|
|
|
@ -70,7 +70,7 @@ public interface IClass extends IClassHierarchyDweller {
|
|||
* @return Collection of (IClass) interfaces this class directly implements. If this class is an interface, returns the interfaces
|
||||
* it immediately extends.
|
||||
*/
|
||||
Collection<IClass> getDirectInterfaces();
|
||||
Collection<? extends IClass> getDirectInterfaces();
|
||||
|
||||
/**
|
||||
* @return Collection of (IClass) interfaces this class implements, including all ancestors of interfaces immediately implemented.
|
||||
|
|
|
@ -82,16 +82,6 @@ public interface IMethod extends IMember, ContextItem {
|
|||
*/
|
||||
MethodReference getReference();
|
||||
|
||||
/**
|
||||
* @return maximum number of JVM locals used by this method
|
||||
*/
|
||||
int getMaxLocals();
|
||||
|
||||
/**
|
||||
* @return maximum height of JVM stack used by this method
|
||||
*/
|
||||
int getMaxStackHeight();
|
||||
|
||||
/**
|
||||
* @return true iff this method has at least one exception handler
|
||||
*/
|
||||
|
|
|
@ -128,13 +128,14 @@ public class JavaLanguage extends LanguageImpl implements BytecodeLanguage, Cons
|
|||
};
|
||||
}
|
||||
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, int[] typeValues) {
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, int[] typeValues, boolean isPEI) {
|
||||
throw new UnsupportedOperationException();
|
||||
}
|
||||
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference[] types) {
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference[] types, boolean isPEI) {
|
||||
assert types.length == 1;
|
||||
return new SSACheckCastInstruction(result, val, types) {
|
||||
assert isPEI;
|
||||
return new SSACheckCastInstruction(result, val, types, true) {
|
||||
@Override
|
||||
public Collection<TypeReference> getExceptionTypes() {
|
||||
return getClassCastException();
|
||||
|
@ -142,12 +143,14 @@ public class JavaLanguage extends LanguageImpl implements BytecodeLanguage, Cons
|
|||
};
|
||||
}
|
||||
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, int typeValue) {
|
||||
return CheckCastInstruction(result, val, new int[]{ typeValue });
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, int typeValue, boolean isPEI) {
|
||||
assert isPEI;
|
||||
return CheckCastInstruction(result, val, new int[]{ typeValue }, true);
|
||||
}
|
||||
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference type) {
|
||||
return CheckCastInstruction(result, val, new TypeReference[]{ type });
|
||||
public SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference type, boolean isPEI) {
|
||||
assert isPEI;
|
||||
return CheckCastInstruction(result, val, new TypeReference[]{ type }, true);
|
||||
}
|
||||
|
||||
public SSAComparisonInstruction ComparisonInstruction(IComparisonInstruction.Operator operator, int result, int val1, int val2) {
|
||||
|
|
|
@ -33,7 +33,7 @@ public class ShrikeIRFactory implements IRFactory<IBytecodeMethod> {
|
|||
public final static boolean buildLocalMap = true;
|
||||
|
||||
public ControlFlowGraph makeCFG(final IBytecodeMethod method, Context C) {
|
||||
return new ShrikeCFG(method);
|
||||
return ShrikeCFG.make(method);
|
||||
}
|
||||
|
||||
public IR makeIR(final IBytecodeMethod method, Context C, final SSAOptions options) throws IllegalArgumentException {
|
||||
|
|
|
@ -35,6 +35,7 @@ import com.ibm.wala.classLoader.Module;
|
|||
import com.ibm.wala.classLoader.SourceDirectoryTreeModule;
|
||||
import com.ibm.wala.classLoader.SourceFileModule;
|
||||
import com.ibm.wala.ipa.callgraph.impl.SetOfClasses;
|
||||
import com.ibm.wala.shrikeCT.InvalidClassFileException;
|
||||
import com.ibm.wala.types.ClassLoaderReference;
|
||||
import com.ibm.wala.types.Descriptor;
|
||||
import com.ibm.wala.types.MethodReference;
|
||||
|
@ -202,8 +203,9 @@ public class AnalysisScope {
|
|||
|
||||
/**
|
||||
* Add a class file to the scope for a loader
|
||||
* @throws InvalidClassFileException
|
||||
*/
|
||||
public void addClassFileToScope(ClassLoaderReference loader, File file) throws IllegalArgumentException {
|
||||
public void addClassFileToScope(ClassLoaderReference loader, File file) throws IllegalArgumentException, InvalidClassFileException {
|
||||
List<Module> s = MapUtil.findOrCreateList(moduleMap, loader);
|
||||
s.add(new ClassFileModule(file));
|
||||
}
|
||||
|
|
|
@ -330,10 +330,10 @@ public abstract class AbstractRootMethod extends SyntheticMethod {
|
|||
return result;
|
||||
}
|
||||
|
||||
public int addCheckcast(TypeReference[] types, int rv) {
|
||||
public int addCheckcast(TypeReference[] types, int rv, boolean isPEI) {
|
||||
int lv = nextLocal++;
|
||||
|
||||
statements.add(insts.CheckCastInstruction(lv, rv, types));
|
||||
statements.add(insts.CheckCastInstruction(lv, rv, types, isPEI));
|
||||
return lv;
|
||||
}
|
||||
|
||||
|
|
|
@ -747,13 +747,22 @@ public class ClassHierarchy implements IClassHierarchy {
|
|||
Assertions.UNREACHABLE();
|
||||
superB = null;
|
||||
}
|
||||
while (a != null) {
|
||||
if (superB.contains(a)) {
|
||||
return a;
|
||||
IClass aa = a;
|
||||
while (aa != null) {
|
||||
if (superB.contains(aa)) {
|
||||
return aa;
|
||||
}
|
||||
a = a.getSuperclass();
|
||||
aa = aa.getSuperclass();
|
||||
}
|
||||
Assertions.UNREACHABLE("getLeastCommonSuperclass " + tempA + " " + b);
|
||||
Set<IClass> superA;
|
||||
try {
|
||||
superA = getSuperclasses(a);
|
||||
} catch (ClassHierarchyException e1) {
|
||||
e1.printStackTrace();
|
||||
Assertions.UNREACHABLE();
|
||||
superA = null;
|
||||
}
|
||||
Assertions.UNREACHABLE("getLeastCommonSuperclass " + tempA + " " + b + ": " + superA + ", " + superB);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
|
|
@ -105,8 +105,8 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
private SSABuilder(IBytecodeMethod method, SSACFG cfg, ShrikeCFG scfg, SSAInstruction[] instructions, SymbolTable symbolTable,
|
||||
boolean buildLocalMap, SSAPiNodePolicy piNodePolicy) {
|
||||
super(scfg);
|
||||
localMap = buildLocalMap ? new SSA2LocalMap(scfg, instructions.length, cfg.getNumberOfNodes(), maxLocals) : null;
|
||||
init(new SymbolTableMeeter(symbolTable, cfg, instructions, scfg), new SymbolicPropagator(scfg, instructions, symbolTable,
|
||||
localMap = buildLocalMap ? new SSA2LocalMap(scfg, instructions.length, cfg.getNumberOfNodes()) : null;
|
||||
init(new SymbolTableMeeter(symbolTable, cfg, scfg), new SymbolicPropagator(scfg, instructions, symbolTable,
|
||||
localMap, cfg, piNodePolicy));
|
||||
this.method = method;
|
||||
this.symbolTable = symbolTable;
|
||||
|
@ -120,15 +120,13 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
|
||||
final SSACFG cfg;
|
||||
|
||||
final SSAInstruction[] instructions;
|
||||
|
||||
final SymbolTable symbolTable;
|
||||
|
||||
final ShrikeCFG shrikeCFG;
|
||||
|
||||
SymbolTableMeeter(SymbolTable symbolTable, SSACFG cfg, SSAInstruction[] instructions, ShrikeCFG shrikeCFG) {
|
||||
SymbolTableMeeter(SymbolTable symbolTable, SSACFG cfg, ShrikeCFG shrikeCFG) {
|
||||
this.cfg = cfg;
|
||||
this.instructions = instructions;
|
||||
this.symbolTable = symbolTable;
|
||||
this.shrikeCFG = shrikeCFG;
|
||||
}
|
||||
|
@ -328,6 +326,7 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
}
|
||||
|
||||
private void emitInstruction(SSAInstruction s) {
|
||||
if (s != null) {
|
||||
instructions[getCurrentInstructionIndex()] = s;
|
||||
for (int i = 0; i < s.getNumberOfDefs(); i++) {
|
||||
if (creators.length < (s.getDef(i) + 1)) {
|
||||
|
@ -341,6 +340,7 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
creators[s.getDef(i)] = s;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private SSAInstruction getCurrentInstruction() {
|
||||
return instructions[getCurrentInstructionIndex()];
|
||||
|
@ -451,7 +451,7 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
for(int i = 0; i < typeNames.length; i++) {
|
||||
t[i] = ShrikeUtil.makeTypeReference(loader, typeNames[i]);
|
||||
}
|
||||
emitInstruction(insts.CheckCastInstruction(result, val, t));
|
||||
emitInstruction(insts.CheckCastInstruction(result, val, t, instruction.isPEI()));
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -933,20 +933,14 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
*/
|
||||
private final int[][] block2LocalState;
|
||||
|
||||
/**
|
||||
* maximum number of locals used at any program point
|
||||
*/
|
||||
private final int maxLocals;
|
||||
|
||||
/**
|
||||
* @param nInstructions number of instructions in the bytecode for this method
|
||||
* @param nBlocks number of basic blocks in the CFG
|
||||
*/
|
||||
SSA2LocalMap(ShrikeCFG shrikeCfg, int nInstructions, int nBlocks, int maxLocals) {
|
||||
SSA2LocalMap(ShrikeCFG shrikeCfg, int nInstructions, int nBlocks) {
|
||||
shrikeCFG = shrikeCfg;
|
||||
localStoreMap = new IntPair[nInstructions];
|
||||
block2LocalState = new int[nBlocks][];
|
||||
this.maxLocals = maxLocals;
|
||||
}
|
||||
|
||||
/**
|
||||
|
@ -954,11 +948,6 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
* a particular local number
|
||||
*/
|
||||
void startRange(int pc, int localNumber, int valueNumber) {
|
||||
int max = shrikeCFG.getMethod().getMaxLocals();
|
||||
if (localNumber >= max) {
|
||||
assert false : "invalid local " + localNumber + ">" + max;
|
||||
}
|
||||
|
||||
localStoreMap[pc] = new IntPair(valueNumber, localNumber);
|
||||
}
|
||||
|
||||
|
@ -1002,6 +991,27 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
}
|
||||
}
|
||||
|
||||
public int[] allocateNewLocalsArray(int maxLocals) {
|
||||
int[] result = new int[maxLocals];
|
||||
for (int i = 0; i < maxLocals; i++) {
|
||||
result[i] = OPTIMISTIC ? TOP : BOTTOM;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
private int[] setLocal(int[] locals, int localNumber, int valueNumber) {
|
||||
if (locals == null) {
|
||||
locals = allocateNewLocalsArray(localNumber + 1);
|
||||
} else if (locals.length <= localNumber) {
|
||||
int[] newLocals = allocateNewLocalsArray(2 * Math.max(locals.length, localNumber) + 1);
|
||||
System.arraycopy(locals, 0, newLocals, 0, locals.length);
|
||||
locals = newLocals;
|
||||
}
|
||||
|
||||
locals[localNumber] = valueNumber;
|
||||
|
||||
return locals;
|
||||
}
|
||||
/**
|
||||
* @param pc a program counter (index into ShrikeBT instruction array)
|
||||
* @param vn a value number
|
||||
|
@ -1015,26 +1025,15 @@ public class SSABuilder extends AbstractIntStackMachine {
|
|||
// walk forward from the first instruction to reconstruct the
|
||||
// state of the locals at this pc
|
||||
int[] locals = block2LocalState[bb.getNumber()];
|
||||
if (locals == null) {
|
||||
locals = allocateNewLocalsArray();
|
||||
}
|
||||
for (int i = firstInstruction; i <= pc; i++) {
|
||||
if (localStoreMap[i] != null) {
|
||||
IntPair p = localStoreMap[i];
|
||||
locals[p.getY()] = p.getX();
|
||||
setLocal(locals, p.getY(), p.getX());
|
||||
}
|
||||
}
|
||||
return extractIndices(locals, vn);
|
||||
}
|
||||
|
||||
public int[] allocateNewLocalsArray() {
|
||||
int[] result = new int[maxLocals];
|
||||
for (int i = 0; i < maxLocals; i++) {
|
||||
result[i] = OPTIMISTIC ? TOP : BOTTOM;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the indices i s.t. x[i] == y, or null if none found.
|
||||
*/
|
||||
|
|
|
@ -38,16 +38,22 @@ public abstract class SSACheckCastInstruction extends SSAInstruction {
|
|||
*/
|
||||
private final TypeReference[] declaredResultTypes;
|
||||
|
||||
/**
|
||||
* whether the type test throws an exception
|
||||
*/
|
||||
private final boolean isPEI;
|
||||
|
||||
/**
|
||||
* @param result A new value number def'fed by this instruction when the type check succeeds.
|
||||
* @param val The value being checked by this instruction
|
||||
* @param type The type which this instruction checks
|
||||
*/
|
||||
protected SSACheckCastInstruction(int result, int val, TypeReference[] types) {
|
||||
protected SSACheckCastInstruction(int result, int val, TypeReference[] types, boolean isPEI) {
|
||||
super();
|
||||
this.result = result;
|
||||
this.val = val;
|
||||
this.declaredResultTypes = types;
|
||||
this.isPEI = isPEI;
|
||||
}
|
||||
|
||||
@Override
|
||||
|
@ -58,7 +64,7 @@ public abstract class SSACheckCastInstruction extends SSAInstruction {
|
|||
if (uses != null && uses.length == 0) {
|
||||
throw new IllegalArgumentException("(uses != null) and (uses.length == 0)");
|
||||
}
|
||||
return insts.CheckCastInstruction(defs == null ? result : defs[0], uses == null ? val : uses[0], declaredResultTypes);
|
||||
return insts.CheckCastInstruction(defs == null ? result : defs[0], uses == null ? val : uses[0], declaredResultTypes, isPEI);
|
||||
}
|
||||
|
||||
@Override
|
||||
|
@ -162,7 +168,7 @@ public abstract class SSACheckCastInstruction extends SSAInstruction {
|
|||
*/
|
||||
@Override
|
||||
public boolean isPEI() {
|
||||
return true;
|
||||
return isPEI;
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
@ -40,13 +40,13 @@ public interface SSAInstructionFactory {
|
|||
SSABinaryOpInstruction BinaryOpInstruction(IBinaryOpInstruction.IOperator operator, boolean overflow, boolean unsigned,
|
||||
int result, int val1, int val2, boolean mayBeInteger);
|
||||
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, int[] typeValues);
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, int[] typeValues, boolean isPEI);
|
||||
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, int typeValue);
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, int typeValue, boolean isPEI);
|
||||
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference[] types);
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference[] types, boolean isPEI);
|
||||
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference type);
|
||||
SSACheckCastInstruction CheckCastInstruction(int result, int val, TypeReference type, boolean isPEI);
|
||||
|
||||
SSAComparisonInstruction ComparisonInstruction(IComparisonInstruction.Operator operator, int result, int val1, int val2);
|
||||
|
||||
|
|
|
@ -261,7 +261,10 @@ public final class TypeName implements Serializable {
|
|||
}
|
||||
if (!innermostPrimitive) {
|
||||
result.append("L");
|
||||
} else if (packageName != null && innermostPrimitive) {
|
||||
result.append("P");
|
||||
}
|
||||
|
||||
if (packageName != null) {
|
||||
result.append(packageName.toString());
|
||||
result.append("/");
|
||||
|
@ -279,7 +282,10 @@ public final class TypeName implements Serializable {
|
|||
}
|
||||
if (!innermostPrimitive) {
|
||||
result.append("L");
|
||||
} else if (packageName != null && innermostPrimitive) {
|
||||
result.append("P");
|
||||
}
|
||||
|
||||
if (packageName != null) {
|
||||
result.append(packageName.toUnicodeString());
|
||||
result.append("/");
|
||||
|
|
|
@ -329,7 +329,11 @@ public final class TypeReference implements Serializable {
|
|||
public final static TypeReference Unknown = findOrCreate(ClassLoaderReference.Primordial, UnknownName);
|
||||
|
||||
private static TypeReference makePrimitive(TypeName n) {
|
||||
TypeReference t = new TypeReference(ClassLoaderReference.Primordial, n);
|
||||
return makePrimitive(ClassLoaderReference.Primordial, n);
|
||||
}
|
||||
|
||||
public static TypeReference makePrimitive(ClassLoaderReference cl, TypeName n) {
|
||||
TypeReference t = new TypeReference(cl, n);
|
||||
primitiveMap.put(t.name, t);
|
||||
return t;
|
||||
}
|
||||
|
|
|
@ -10,7 +10,10 @@
|
|||
*******************************************************************************/
|
||||
package com.ibm.wala.types.annotations;
|
||||
|
||||
import java.util.Arrays;
|
||||
|
||||
import com.ibm.wala.types.TypeReference;
|
||||
import com.ibm.wala.util.collections.Pair;
|
||||
|
||||
/**
|
||||
* Represents a Java 5.0 class file annotation
|
||||
|
@ -18,25 +21,40 @@ import com.ibm.wala.types.TypeReference;
|
|||
public class Annotation {
|
||||
|
||||
private final TypeReference type;
|
||||
private final Pair<TypeReference, Object>[] arguments;
|
||||
|
||||
private Annotation(TypeReference type) {
|
||||
private Annotation(TypeReference type, Pair<TypeReference, Object>[] arguments) {
|
||||
this.type = type;
|
||||
this.arguments = arguments;
|
||||
}
|
||||
|
||||
public static Annotation make(TypeReference t, Pair<TypeReference, Object>[] arguments) {
|
||||
return new Annotation(t, arguments);
|
||||
}
|
||||
|
||||
public static Annotation make(TypeReference t) {
|
||||
return new Annotation(t);
|
||||
return make(t, null);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Annotation type " + type;
|
||||
StringBuffer sb = new StringBuffer("Annotation type " + type);
|
||||
if (arguments != null) {
|
||||
sb.append("[");
|
||||
for(Pair<TypeReference, Object> arg : arguments) {
|
||||
sb.append(" " + arg.fst.getName().getClassName() + ":" + arg.snd);
|
||||
}
|
||||
sb.append(" ]");
|
||||
}
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
final int PRIME = 31;
|
||||
final int prime = 31;
|
||||
int result = 1;
|
||||
result = PRIME * result + ((type == null) ? 0 : type.hashCode());
|
||||
result = prime * result + Arrays.hashCode(arguments);
|
||||
result = prime * result + ((type == null) ? 0 : type.hashCode());
|
||||
return result;
|
||||
}
|
||||
|
||||
|
@ -48,7 +66,9 @@ public class Annotation {
|
|||
return false;
|
||||
if (getClass() != obj.getClass())
|
||||
return false;
|
||||
final Annotation other = (Annotation) obj;
|
||||
Annotation other = (Annotation) obj;
|
||||
if (!Arrays.equals(arguments, other.arguments))
|
||||
return false;
|
||||
if (type == null) {
|
||||
if (other.type != null)
|
||||
return false;
|
||||
|
@ -57,6 +77,9 @@ public class Annotation {
|
|||
return true;
|
||||
}
|
||||
|
||||
public Pair<TypeReference, Object>[] getArguments() {
|
||||
return arguments;
|
||||
}
|
||||
|
||||
public TypeReference getType() {
|
||||
return type;
|
||||
|
|
|
@ -26,6 +26,7 @@ import com.ibm.wala.classLoader.SourceDirectoryTreeModule;
|
|||
import com.ibm.wala.core.plugin.CorePlugin;
|
||||
import com.ibm.wala.ipa.callgraph.AnalysisScope;
|
||||
import com.ibm.wala.properties.WalaProperties;
|
||||
import com.ibm.wala.shrikeCT.InvalidClassFileException;
|
||||
import com.ibm.wala.types.ClassLoaderReference;
|
||||
import com.ibm.wala.util.debug.Assertions;
|
||||
import com.ibm.wala.util.io.FileProvider;
|
||||
|
@ -108,7 +109,11 @@ public class AnalysisScopeReader {
|
|||
String entryPathname = toks.nextToken();
|
||||
if ("classFile".equals(entryType)) {
|
||||
File cf = FileProvider.getFile(entryPathname, javaLoader);
|
||||
try {
|
||||
scope.addClassFileToScope(walaLoader, cf);
|
||||
} catch (InvalidClassFileException e) {
|
||||
Assertions.UNREACHABLE(e.toString());
|
||||
}
|
||||
} else if ("sourceFile".equals(entryType)) {
|
||||
File sf = FileProvider.getFile(entryPathname, javaLoader);
|
||||
scope.addSourceFileToScope(walaLoader, sf, entryPathname);
|
||||
|
@ -197,6 +202,8 @@ public class AnalysisScopeReader {
|
|||
}
|
||||
} catch (IOException e) {
|
||||
Assertions.UNREACHABLE(e.toString());
|
||||
} catch (InvalidClassFileException e) {
|
||||
Assertions.UNREACHABLE(e.toString());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
@ -13,6 +13,7 @@ package com.ibm.wala.util.io;// 5724-D15
|
|||
import java.io.File;
|
||||
import java.io.FileNotFoundException;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.lang.reflect.Method;
|
||||
import java.net.JarURLConnection;
|
||||
import java.net.MalformedURLException;
|
||||
|
@ -263,6 +264,23 @@ public class FileProvider {
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @throws FileNotFoundException
|
||||
*/
|
||||
public static InputStream getInputStreamFromClassLoader(String fileName, ClassLoader loader) throws FileNotFoundException {
|
||||
if (loader == null) {
|
||||
throw new IllegalArgumentException("null loader");
|
||||
}
|
||||
if (fileName == null) {
|
||||
throw new IllegalArgumentException("null fileName");
|
||||
}
|
||||
InputStream is = loader.getResourceAsStream(fileName);
|
||||
if (is == null) {
|
||||
throw new FileNotFoundException(fileName);
|
||||
}
|
||||
return is;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return the jar file packaged with this plug-in of the given name, or null
|
||||
* if not found: wrapped as a JarFileModule or a NestedJarFileModule
|
||||
|
|
|
@ -40,4 +40,11 @@ public class PlatformUtil {
|
|||
return osname.toLowerCase().contains("windows");
|
||||
}
|
||||
|
||||
/**
|
||||
* are we running on IKVM? see http://www.ikvm.net
|
||||
*/
|
||||
public static boolean onIKVM() {
|
||||
return "IKVM.NET".equals(System.getProperty("java.runtime.name"));
|
||||
}
|
||||
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue