Examples of OperandStack

org.apache.bcel.verifier.structurals.OperandStack
This class implements a stack used for symbolic JVM stack simulation. [It's used an an operand stack substitute.] Elements of this stack are org.apache.bcel.generic.Type objects. @version $Id: OperandStack.java 386056 2006-03-15 11:31:56Z tcurdt $ @author Enver Haase
org.aspectj.apache.bcel.verifier.structurals.OperandStack
u-berlin.de/~ehaase"/>Enver Haase
org.codehaus.groovy.classgen.asm.OperandStack
org.freud.analysed.classbytecode.method.instruction.OperandStack

Examples of org.apache.bcel.verifier.structurals.OperandStack

                    // duplicate stack before invokespecial to insert uninitialized object
                    frame = context.getInFrame();
                    InvokeInstruction invoke = (InvokeInstruction)ins.getInstruction();
                    Type[] arguments = invoke.getArgumentTypes(method.getConstantPool());
    
                    OperandStack os = frame.getStack();
                    Type type = os.peek(arguments.length);
                    if (type instanceof UninitializedObjectType) {
                        ObjectType objecttype = ((UninitializedObjectType) type).getInitialized();
                        InstructionList duplicator = duplicateStack(method, invoke, objecttype);
                        InstructionTargeter[] targeter = ins.getTargeters();

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Examples of org.apache.bcel.verifier.structurals.OperandStack

            insList.insert(InstructionFactory.createPop(returnType.getSize()));
        }
        boolean skipFirst = returnType.getSize() > 0;


        // save stack
        OperandStack os = frame.getStack();
        for (int i = skipFirst ? 1 : 0; i < os.size(); i++) {
            Type type = os.peek(i);
            if (type instanceof BasicType) {
                if (type.getSize() < 2 && !type.equals(Type.FLOAT)) {
                    type = Type.INT;
                }
                insList.append(InstructionFactory.createLoad(STACK_TYPE, method.getMaxLocals()+1));

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Examples of org.apache.bcel.verifier.structurals.OperandStack

        InvokeInstruction inv = (InvokeInstruction) handle.getInstruction();
        Type returnType = getReturnType(method.getConstantPool().getConstantPool(), inv.getIndex());
        boolean skipFirst = returnType.getSize() > 0;


        // restore stack
        OperandStack os = frame.getStack();
        for (int i = os.size() - 1; i >= (skipFirst ? 1 : 0); i--) {
            Type type = os.peek(i);
            if (type instanceof BasicType) {
                if (type.getSize() < 2 && !type.equals(Type.FLOAT)) {
                    type = Type.INT;
                }
                insList.append(InstructionFactory.createLoad(STACK_TYPE, method.getMaxLocals()+1));

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Examples of org.aspectj.apache.bcel.verifier.structurals.OperandStack

                // new OperandStack (u.getOutFrame().getStack().maxStack(),
                // (exc_hds[s].getExceptionType()==null? Type.THROWABLE :
                // exc_hds[s].getExceptionType())) ), newchain), icv, ev){
                // icq.add(v, (ArrayList) newchain.clone());
                if (v.execute(new Frame(u.getOutFrame(oldchain).getLocals(),
                        new OperandStack(u.getOutFrame(oldchain)
                                .getStack()
                                .maxStack(),
                                (exc_hds[s].getExceptionType() == null
                                        ? Type.THROWABLE
                                        : exc_hds[s].getExceptionType()))),

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Examples of org.aspectj.apache.bcel.verifier.structurals.OperandStack

                // new OperandStack (u.getOutFrame().getStack().maxStack(),
                // (exc_hds[s].getExceptionType()==null? Type.THROWABLE :
                // exc_hds[s].getExceptionType())) ), newchain), icv, ev){
                // icq.add(v, (ArrayList) newchain.clone());
                if (v.execute(new Frame(u.getOutFrame(oldchain).getLocals(),
                        new OperandStack(u.getOutFrame(oldchain)
                                .getStack()
                                .maxStack(),
                                (exc_hds[s].getExceptionType() == null
                                        ? Type.THROWABLE
                                        : exc_hds[s].getExceptionType()))),

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Examples of org.codehaus.groovy.classgen.asm.OperandStack

        }


        @Override
        public void visit(final MethodVisitor mv) {
            final WriterController controller = acg.getController();
            final OperandStack operandStack = controller.getOperandStack();
            final CompileStack compileStack = controller.getCompileStack();


            // create a temporary variable to store the constructed object
            final int tmpObj = compileStack.defineTemporaryVariable("tmpObj", declaringClass, false);
            String classInternalName = BytecodeHelper.getClassInternalName(declaringClass);
            mv.visitTypeInsn(NEW, classInternalName);
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, classInternalName, "<init>", "()V", false);
            mv.visitVarInsn(ASTORE, tmpObj); // store it into tmp variable


            // load every field
            for (MapEntryExpression entryExpression : map.getMapEntryExpressions()) {
                int line = entryExpression.getLineNumber();
                int col = entryExpression.getColumnNumber();
                Expression keyExpression = staticCompilationTransformer.transform(entryExpression.getKeyExpression());
                Expression valueExpression = staticCompilationTransformer.transform(entryExpression.getValueExpression());
                BinaryExpression bexp = new BinaryExpression(new PropertyExpression(new BytecodeExpression() {
                            @Override
                            public void visit(final MethodVisitor mv) {
                                mv.visitVarInsn(ALOAD, tmpObj);
                            }


                            @Override
                            public ClassNode getType() {
                                return declaringClass;
                            }
                        }, keyExpression),
                        Token.newSymbol("=", line, col),
                        valueExpression
                );
                bexp.setSourcePosition(entryExpression);
                bexp.visit(acg);
                operandStack.pop(); // consume argument
            }


            // load object
            mv.visitVarInsn(ALOAD, tmpObj);

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Examples of org.codehaus.groovy.classgen.asm.OperandStack

        return controller.isStaticContext() && isThisOrSuper(objectExpression);
    }


    public void visitPropertyExpression(PropertyExpression expression) {
        Expression objectExpression = expression.getObjectExpression();
        OperandStack operandStack = controller.getOperandStack();
        int mark = operandStack.getStackLength()-1;
        MethodCallerMultiAdapter adapter;
        if (controller.getCompileStack().isLHS()) {
            //operandStack.box();
            adapter = setProperty;
            if (isGroovyObject(objectExpression)) adapter = setGroovyObjectProperty;
            if (isThisOrSuperInStaticContext(objectExpression)) adapter = setProperty;
        } else {
            adapter = getProperty;
            if (isGroovyObject(objectExpression)) adapter = getGroovyObjectProperty;
            if (isThisOrSuperInStaticContext(objectExpression)) adapter = getProperty;
        }
        visitAttributeOrProperty(expression, adapter);
        if (controller.getCompileStack().isLHS()) {
            // remove surplus values
            operandStack.remove(operandStack.getStackLength()-mark);
        } else {
            controller.getAssertionWriter().record(expression.getProperty());
        }
    }

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Examples of org.codehaus.groovy.classgen.asm.OperandStack

    }


    public void visitAttributeExpression(AttributeExpression expression) {
        Expression objectExpression = expression.getObjectExpression();
        MethodCallerMultiAdapter adapter;
        OperandStack operandStack = controller.getOperandStack();
        int mark = operandStack.getStackLength()-1;
        if (controller.getCompileStack().isLHS()) {
            adapter = setField;
            if (isGroovyObject(objectExpression)) adapter = setGroovyObjectField;
            if (usesSuper(expression)) adapter = setFieldOnSuper;
        } else {
            adapter = getField;
            if (isGroovyObject(objectExpression)) adapter = getGroovyObjectField;
            if (usesSuper(expression)) adapter = getFieldOnSuper;
        }
        visitAttributeOrProperty(expression, adapter);
        if (!controller.getCompileStack().isLHS()) {
            controller.getAssertionWriter().record(expression.getProperty());
        } else {
            operandStack.remove(operandStack.getStackLength() - mark);
        }
    }

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Examples of org.codehaus.groovy.classgen.asm.OperandStack

        @Override
        public void visit(final GroovyCodeVisitor visitor) {
            if (visitor instanceof AsmClassGenerator) {
                AsmClassGenerator acg = (AsmClassGenerator) visitor;
                WriterController controller = acg.getController();
                OperandStack os = controller.getOperandStack();


                if (type.equals(ClassHelper.boolean_TYPE)) {
                    expression.visit(visitor);
                    os.doGroovyCast(ClassHelper.boolean_TYPE);
                    return;
                }
                if (type.equals(ClassHelper.Boolean_TYPE)) {
                    MethodVisitor mv = controller.getMethodVisitor();
                    expression.visit(visitor);
                    Label unbox = new Label();
                    Label exit = new Label();
                    // check for null
                    mv.visitInsn(DUP);
                    mv.visitJumpInsn(IFNONNULL, unbox);
                    mv.visitInsn(POP);
                    mv.visitInsn(ICONST_0);
                    mv.visitJumpInsn(GOTO, exit);
                    mv.visitLabel(unbox);
                    // unbox
                    // GROOVY-6270
                    if (!os.getTopOperand().equals(type)) BytecodeHelper.doCast(mv, type);
                    mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Boolean", "booleanValue", "()Z", false);
                    mv.visitLabel(exit);
                    os.replace(ClassHelper.boolean_TYPE);
                    return;
                }
                ClassNode top = type;
                if (ClassHelper.isPrimitiveType(top)) {
                    expression.visit(visitor);

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Examples of org.codehaus.groovy.classgen.asm.OperandStack

        FieldNode field = expression.getField();


        boolean setReferenceFromReference = field.isHolder() && expression.isUseReferenceDirectly();
        String ownerName = (field.getOwner().equals(controller.getClassNode())) ?
                controller.getInternalClassName() : BytecodeHelper.getClassInternalName(field.getOwner());
        OperandStack operandStack = controller.getOperandStack();


        if (setReferenceFromReference) {
            // rhs is ready to use reference, just put it in the field
            mv.visitVarInsn(ALOAD, 0);
            operandStack.push(controller.getClassNode());
            operandStack.swap();
            mv.visitFieldInsn(PUTFIELD, ownerName, field.getName(), BytecodeHelper.getTypeDescription(field.getType()));
        } else if (field.isHolder()){
            // rhs is normal value, set the value in the Reference
            operandStack.doGroovyCast(field.getOriginType());
            operandStack.box();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, ownerName, expression.getFieldName(), BytecodeHelper.getTypeDescription(field.getType()));
            mv.visitInsn(SWAP);
            mv.visitMethodInsn(INVOKEVIRTUAL, "groovy/lang/Reference", "set", "(Ljava/lang/Object;)V", false);
        } else {
            // rhs is normal value, set normal value
            operandStack.doGroovyCast(field.getOriginType());
            mv.visitVarInsn(ALOAD, 0);
            operandStack.push(controller.getClassNode());
            operandStack.swap();
            mv.visitFieldInsn(PUTFIELD, ownerName, field.getName(), BytecodeHelper.getTypeDescription(field.getType()));
        }
    }

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