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Example 1 with GThrowStmt

use of soot.grimp.internal.GThrowStmt in project soot by Sable.

the class MethodCallFinder method inInvokeStmt.

/*
	 * some ASTConstuct{ ASTConstruct{ Some bodies Some Bodies Statement
	 * SequenceNode New Stmt seq node with some stmts some stmts ---------->
	 * Body of method to inline the invoke stmt New Stmt seq node with other
	 * stmts some other stmts Some other bodies Some other bodies End
	 * ASTConstruct End ASTConstruct
	 */
/*
	 * Notice that since this class is only invoked for clinit methods this
	 * invoke statement is some invocation that occured within the clinit method
	 */
public void inInvokeStmt(InvokeStmt s) {
    InvokeExpr invokeExpr = s.getInvokeExpr();
    SootMethod maybeInline = invokeExpr.getMethod();
    // check whether we want to inline
    ASTMethodNode toInlineASTMethod = cleaner.inline(maybeInline);
    if (toInlineASTMethod == null) {
        // not to inline
        return;
    } else {
        // yes we want to inline
        // we know that the method to be inlined has no declarations.
        List<Object> subBodies = toInlineASTMethod.get_SubBodies();
        if (subBodies.size() != 1) {
            throw new RuntimeException("Found ASTMEthod node with more than one subBodies");
        }
        List body = (List) subBodies.get(0);
        ASTParentNodeFinder finder = new ASTParentNodeFinder();
        underAnalysis.apply(finder);
        List<ASTStatementSequenceNode> newChangedBodyPart = createChangedBodyPart(s, body, finder);
        boolean replaced = replaceSubBody(s, newChangedBodyPart, finder);
        if (replaced) {
            // so the invoke stmt has been replaced with the body of the
            // method invoked
            /*
				 * if the inlined method contained an assignment to a static
				 * field we want to replace that with a throw stmt
				 */
            StaticDefinitionFinder defFinder = new StaticDefinitionFinder(maybeInline);
            toInlineASTMethod.apply(defFinder);
            if (defFinder.anyFinalFieldDefined()) {
                // create throw stmt to be added to inlined method
                // create a SootMethodRef
                SootClass runtime = Scene.v().loadClassAndSupport("java.lang.RuntimeException");
                if (runtime.declaresMethod("void <init>(java.lang.String)")) {
                    SootMethod sootMethod = runtime.getMethod("void <init>(java.lang.String)");
                    SootMethodRef methodRef = sootMethod.makeRef();
                    RefType myRefType = RefType.v(runtime);
                    StringConstant tempString = StringConstant.v("This method used to have a definition of a final variable. " + "Dava inlined the definition into the static initializer");
                    List list = new ArrayList();
                    list.add(tempString);
                    GNewInvokeExpr newInvokeExpr = new GNewInvokeExpr(myRefType, methodRef, list);
                    GThrowStmt throwStmt = new GThrowStmt(newInvokeExpr);
                    AugmentedStmt augStmt = new AugmentedStmt(throwStmt);
                    List<AugmentedStmt> sequence = new ArrayList<AugmentedStmt>();
                    sequence.add(augStmt);
                    ASTStatementSequenceNode seqNode = new ASTStatementSequenceNode(sequence);
                    List<Object> subBody = new ArrayList<Object>();
                    subBody.add(seqNode);
                    toInlineASTMethod.replaceBody(subBody);
                }
            }
        }
    }
}
Also used : ASTParentNodeFinder(soot.dava.toolkits.base.AST.traversals.ASTParentNodeFinder) SootMethodRef(soot.SootMethodRef) ArrayList(java.util.ArrayList) ASTStatementSequenceNode(soot.dava.internal.AST.ASTStatementSequenceNode) SootClass(soot.SootClass) AugmentedStmt(soot.dava.internal.asg.AugmentedStmt) RefType(soot.RefType) GNewInvokeExpr(soot.grimp.internal.GNewInvokeExpr) InvokeExpr(soot.jimple.InvokeExpr) GNewInvokeExpr(soot.grimp.internal.GNewInvokeExpr) GThrowStmt(soot.grimp.internal.GThrowStmt) SootMethod(soot.SootMethod) ASTMethodNode(soot.dava.internal.AST.ASTMethodNode) ArrayList(java.util.ArrayList) List(java.util.List) StringConstant(soot.jimple.StringConstant)

Aggregations

ArrayList (java.util.ArrayList)1 List (java.util.List)1 RefType (soot.RefType)1 SootClass (soot.SootClass)1 SootMethod (soot.SootMethod)1 SootMethodRef (soot.SootMethodRef)1 ASTMethodNode (soot.dava.internal.AST.ASTMethodNode)1 ASTStatementSequenceNode (soot.dava.internal.AST.ASTStatementSequenceNode)1 AugmentedStmt (soot.dava.internal.asg.AugmentedStmt)1 ASTParentNodeFinder (soot.dava.toolkits.base.AST.traversals.ASTParentNodeFinder)1 GNewInvokeExpr (soot.grimp.internal.GNewInvokeExpr)1 GThrowStmt (soot.grimp.internal.GThrowStmt)1 InvokeExpr (soot.jimple.InvokeExpr)1 StringConstant (soot.jimple.StringConstant)1