Example usage for org.objectweb.asm Opcodes IFEQ

List of usage examples for org.objectweb.asm Opcodes IFEQ

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In this page you can find the example usage for org.objectweb.asm Opcodes IFEQ.

Prototype

int IFEQ

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Usage

From source file:lucee.transformer.bytecode.op.OpBool.java

License:Open Source License

/**
 *
 * @see lucee.transformer.bytecode.expression.ExpressionBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
 */// w  ww .  j a v a2  s  .  c om
public Type _writeOut(BytecodeContext bc, int mode) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();

    if (mode == MODE_REF) {
        _writeOut(bc, MODE_VALUE);
        adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_FROM_BOOLEAN);
        return Types.BOOLEAN;
    }

    Label doFalse = new Label();
    Label end = new Label();

    if (operation == AND) {
        left.writeOut(bc, MODE_VALUE);
        adapter.ifZCmp(Opcodes.IFEQ, doFalse);

        right.writeOut(bc, MODE_VALUE);
        adapter.ifZCmp(Opcodes.IFEQ, doFalse);
        adapter.push(true);

        adapter.visitJumpInsn(Opcodes.GOTO, end);
        adapter.visitLabel(doFalse);

        adapter.push(false);
        adapter.visitLabel(end);
    }
    if (operation == OR) {
        left.writeOut(bc, MODE_VALUE);
        adapter.ifZCmp(Opcodes.IFNE, doFalse);

        right.writeOut(bc, MODE_VALUE);
        adapter.ifZCmp(Opcodes.IFNE, doFalse);

        adapter.push(false);
        adapter.visitJumpInsn(Opcodes.GOTO, end);
        adapter.visitLabel(doFalse);

        adapter.push(true);
        adapter.visitLabel(end);
    } else if (operation == XOR) {
        left.writeOut(bc, MODE_VALUE);
        right.writeOut(bc, MODE_VALUE);
        adapter.visitInsn(Opcodes.IXOR);
    } else if (operation == EQV) {

        left.writeOut(bc, MODE_VALUE);
        right.writeOut(bc, MODE_VALUE);
        adapter.invokeStatic(Types.OPERATOR, Methods_Operator.OPERATOR_EQV_BV_BV);
    } else if (operation == IMP) {

        left.writeOut(bc, MODE_VALUE);
        right.writeOut(bc, MODE_VALUE);
        adapter.invokeStatic(Types.OPERATOR, Methods_Operator.OPERATOR_IMP_BV_BV);
    }
    return Types.BOOLEAN_VALUE;

}

From source file:lucee.transformer.bytecode.op.OpContional.java

License:Open Source License

/**
 *
 * @see lucee.transformer.bytecode.expression.ExpressionBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
 *///  w  w w . ja v a  2  s  .  c  o m
public Type _writeOut(BytecodeContext bc, int mode) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();

    Label yes = new Label();
    Label end = new Label();

    // cont
    ExpressionUtil.visitLine(bc, cont.getStart());
    cont.writeOut(bc, MODE_VALUE);
    ExpressionUtil.visitLine(bc, cont.getEnd());
    adapter.visitJumpInsn(Opcodes.IFEQ, yes);

    // left
    ExpressionUtil.visitLine(bc, left.getStart());
    left.writeOut(bc, MODE_REF);
    ExpressionUtil.visitLine(bc, left.getEnd());
    adapter.visitJumpInsn(Opcodes.GOTO, end);

    // right
    ExpressionUtil.visitLine(bc, right.getStart());
    adapter.visitLabel(yes);
    right.writeOut(bc, MODE_REF);
    ExpressionUtil.visitLine(bc, right.getEnd());
    adapter.visitLabel(end);

    return Types.OBJECT;

}

From source file:lucee.transformer.bytecode.op.OpElvis.java

License:Open Source License

public Type _writeOutPureDataMember(BytecodeContext bc, int mode) throws BytecodeException {
    // TODO use function isNull for this
    GeneratorAdapter adapter = bc.getAdapter();

    Label yes = new Label();
    Label end = new Label();

    List<Member> members = left.getMembers();

    // to array/* w w  w .j a  va  2s.  c  o m*/
    Iterator<Member> it = members.iterator();
    List<DataMember> list = new ArrayList<DataMember>();
    while (it.hasNext()) {
        list.add((DataMember) it.next());
    }
    DataMember[] arr = list.toArray(new DataMember[members.size()]);

    ExpressionUtil.visitLine(bc, left.getStart());

    // public static boolean call(PageContext pc , double scope,String[] varNames)
    // pc
    adapter.loadArg(0);
    // scope
    adapter.push((double) left.getScope());
    //varNames

    // all literal string?
    boolean allLiteral = true;
    for (int i = 0; i < arr.length; i++) {
        if (!(arr[i].getName() instanceof Literal))
            allLiteral = false;
    }

    ArrayVisitor av = new ArrayVisitor();
    if (!allLiteral) {
        // String Array
        av.visitBegin(adapter, Types.STRING, arr.length);
        for (int i = 0; i < arr.length; i++) {
            av.visitBeginItem(adapter, i);
            arr[i].getName().writeOut(bc, MODE_REF);
            av.visitEndItem(adapter);
        }
    } else {
        // Collection.Key Array
        av.visitBegin(adapter, Types.COLLECTION_KEY, arr.length);
        for (int i = 0; i < arr.length; i++) {
            av.visitBeginItem(adapter, i);
            Variable.registerKey(bc, arr[i].getName());
            av.visitEndItem(adapter);
        }
    }
    av.visitEnd();

    // allowNull
    //adapter.push(false);

    //ASMConstants.NULL(adapter);

    // call IsDefined.invoke
    adapter.invokeStatic(ELVIS, allLiteral ? INVOKE_KEY : INVOKE_STR);
    ExpressionUtil.visitLine(bc, left.getEnd());

    adapter.visitJumpInsn(Opcodes.IFEQ, yes);

    // left
    ExpressionUtil.visitLine(bc, left.getStart());
    left.writeOut(bc, MODE_REF);
    ExpressionUtil.visitLine(bc, left.getEnd());
    adapter.visitJumpInsn(Opcodes.GOTO, end);

    // right
    ExpressionUtil.visitLine(bc, right.getStart());
    adapter.visitLabel(yes);
    right.writeOut(bc, MODE_REF);
    ExpressionUtil.visitLine(bc, right.getEnd());
    adapter.visitLabel(end);

    return Types.OBJECT;

}

From source file:lucee.transformer.bytecode.op.OpNegate.java

License:Open Source License

/**
 *
 * @see lucee.transformer.bytecode.expression.ExpressionBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, int)
 *//* w  ww  .ja  v  a 2 s . com*/
public Type _writeOut(BytecodeContext bc, int mode) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    if (mode == MODE_REF) {
        _writeOut(bc, MODE_VALUE);
        adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_FROM_BOOLEAN);
        return Types.BOOLEAN;
    }

    Label l1 = new Label();
    Label l2 = new Label();

    expr.writeOut(bc, MODE_VALUE);
    adapter.ifZCmp(Opcodes.IFEQ, l1);

    adapter.visitInsn(Opcodes.ICONST_0);
    adapter.visitJumpInsn(Opcodes.GOTO, l2);
    adapter.visitLabel(l1);
    adapter.visitInsn(Opcodes.ICONST_1);
    adapter.visitLabel(l2);

    return Types.BOOLEAN_VALUE;

}

From source file:lucee.transformer.bytecode.statement.ForEach.java

License:Open Source License

@Override
public void _writeOut(BytecodeContext bc) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    final int it = adapter.newLocal(Types.ITERATOR);
    final int item = adapter.newLocal(Types.REFERENCE);

    //Value/* w ww  .  j  a  v a 2s  .  c  om*/
    // ForEachUtil.toIterator(value)
    value.writeOut(bc, Expression.MODE_REF);
    adapter.invokeStatic(FOR_EACH_UTIL, TO_ITERATOR);
    //adapter.invokeStatic(COLLECTION_UTIL, TO_ITERATOR);
    // Iterator it=...
    adapter.storeLocal(it);
    TryFinallyVisitor tfv = new TryFinallyVisitor(new OnFinally() {

        @Override
        public void _writeOut(BytecodeContext bc) throws BytecodeException {
            GeneratorAdapter a = bc.getAdapter();
            //if(fcf!=null && fcf.getAfterFinalGOTOLabel()!=null)ASMUtil.visitLabel(a,fcf.getFinalEntryLabel());
            a.loadLocal(it);
            a.invokeStatic(FOR_EACH_UTIL, RESET);
            /*if(fcf!=null){
               Label l=fcf.getAfterFinalGOTOLabel();
               if(l!=null)a.visitJumpInsn(Opcodes.GOTO, l);
            }*/
        }
    }, getFlowControlFinal());
    tfv.visitTryBegin(bc);
    // Key
    // new VariableReference(...)
    key.writeOut(bc, Expression.MODE_REF);
    // VariableReference item=...
    adapter.storeLocal(item);

    // while
    ExpressionUtil.visitLine(bc, getStart());
    adapter.visitLabel(begin);

    // hasNext
    adapter.loadLocal(it);
    adapter.invokeInterface(Types.ITERATOR, HAS_NEXT);
    adapter.ifZCmp(Opcodes.IFEQ, end);

    // item.set(pc,it.next());
    adapter.loadLocal(item);
    adapter.loadArg(0);
    adapter.loadLocal(it);
    adapter.invokeInterface(Types.ITERATOR, NEXT);
    adapter.invokeInterface(Types.REFERENCE, SET);
    adapter.pop();

    // Body
    body.writeOut(bc);
    adapter.visitJumpInsn(Opcodes.GOTO, begin);
    adapter.visitLabel(end);
    tfv.visitTryEnd(bc);

}

From source file:lucee.transformer.bytecode.statement.tag.TagGroupUtil.java

License:Open Source License

public static void writeOutTypeQuery(final TagGroup tag, BytecodeContext bc) throws BytecodeException {
    final GeneratorAdapter adapter = bc.getAdapter();

    tag.setNumberIterator(adapter.newLocal(NUMBER_ITERATOR));
    boolean isOutput = tag.getType() == TagGroup.TAG_OUTPUT;
    ParseBodyVisitor pbv = isOutput ? new ParseBodyVisitor() : null;
    if (isOutput)
        pbv.visitBegin(bc);//from   w w w . ja  v a2 s  . c o m

    // Query query=pc.getQuery(@query);
    tag.setQuery(adapter.newLocal(Types.QUERY));
    adapter.loadArg(0);
    Expression val = tag.getAttribute("query").getValue();
    val.writeOut(bc, Expression.MODE_REF);
    if (val instanceof LitString)
        adapter.invokeVirtual(Types.PAGE_CONTEXT, TagLoop.GET_QUERY_STRING);
    else
        adapter.invokeVirtual(Types.PAGE_CONTEXT, TagLoop.GET_QUERY_OBJ);

    adapter.storeLocal(tag.getQuery());

    tag.setPID(adapter.newLocal(Types.INT_VALUE));
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, TagLoop.GET_ID);
    adapter.storeLocal(tag.getPID());

    // int startAt=query.getCurrentrow();
    final int startAt = adapter.newLocal(Types.INT_VALUE);
    adapter.loadLocal(tag.getQuery());

    adapter.loadLocal(tag.getPID());
    //adapter.loadArg(0);
    //adapter.invokeVirtual(Types.PAGE_CONTEXT, TagLoop.GET_ID);
    adapter.invokeInterface(Types.QUERY, TagLoop.GET_CURRENTROW_1);

    adapter.storeLocal(startAt);

    // if(query.getRecordcount()>0) {
    DecisionIntVisitor div = new DecisionIntVisitor();
    div.visitBegin();
    adapter.loadLocal(tag.getQuery());
    adapter.invokeInterface(Types.QUERY, GET_RECORDCOUNT);
    div.visitGT();
    adapter.push(0);
    div.visitEnd(bc);
    Label ifRecCount = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, ifRecCount);

    // startrow
    int from = adapter.newLocal(Types.INT_VALUE);
    Attribute attrStartRow = tag.getAttribute("startrow");
    if (attrStartRow != null) {
        // NumberRange.range(@startrow,1)
        //attrStartRow.getValue().writeOut(bc, Expression.MODE_VALUE);
        CastInt.toExprInt(attrStartRow.getValue()).writeOut(bc, Expression.MODE_VALUE);
        //adapter.visitInsn(Opcodes.D2I);
        adapter.push(1);
        adapter.invokeStatic(Types.NUMBER_RANGE, RANGE);
        //adapter.visitInsn(Opcodes.D2I);
    } else {
        adapter.push(1);
    }
    adapter.storeLocal(from);

    // numberIterator

    adapter.loadLocal(from);
    adapter.loadLocal(tag.getQuery());
    adapter.invokeInterface(Types.QUERY, GET_RECORDCOUNT);
    //adapter.visitInsn(Opcodes.I2D);

    Attribute attrMaxRow = tag.getAttribute("maxrows");
    Attribute attrEndRow = tag.getAttribute("endrow");
    if (attrMaxRow != null) {
        CastInt.toExprInt(attrMaxRow.getValue()).writeOut(bc, Expression.MODE_VALUE);
        adapter.invokeStatic(NUMBER_ITERATOR, LOAD_MAX);
    } else if (attrEndRow != null) {
        CastInt.toExprInt(attrEndRow.getValue()).writeOut(bc, Expression.MODE_VALUE);
        adapter.invokeStatic(NUMBER_ITERATOR, LOAD_END);
    } else {
        adapter.invokeStatic(NUMBER_ITERATOR, LOAD_2);
    }
    adapter.storeLocal(tag.getNumberIterator());

    // Group
    Attribute attrGroup = tag.getAttribute("group");
    Attribute attrGroupCS = tag.getAttribute("groupcasesensitive");
    tag.setGroup(adapter.newLocal(Types.STRING));
    final int groupCaseSensitive = adapter.newLocal(Types.BOOLEAN_VALUE);
    if (attrGroup != null) {
        attrGroup.getValue().writeOut(bc, Expression.MODE_REF);
        adapter.storeLocal(tag.getGroup());

        if (attrGroupCS != null)
            attrGroupCS.getValue().writeOut(bc, Expression.MODE_VALUE);
        else
            adapter.push(false);
        adapter.storeLocal(groupCaseSensitive);
    }

    // pc.us().addQuery(query);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, US);
    adapter.loadLocal(tag.getQuery());
    adapter.invokeInterface(UNDEFINED, ADD_QUERY);

    // current
    final int current = adapter.newLocal(Types.INT_VALUE);
    adapter.loadLocal(from);
    adapter.push(1);
    adapter.visitInsn(Opcodes.ISUB);
    adapter.storeLocal(current);

    // Try
    TryFinallyVisitor tfv = new TryFinallyVisitor(new OnFinally() {
        public void _writeOut(BytecodeContext bc) {
            // query.reset();

            // query.go(startAt);
            adapter.loadLocal(tag.getQuery());
            adapter.loadLocal(startAt);

            adapter.loadLocal(tag.getPID());
            //adapter.loadArg(0);
            //adapter.invokeVirtual(Types.PAGE_CONTEXT, TagLoop.GET_ID);
            adapter.invokeInterface(Types.QUERY, TagLoop.GO);
            adapter.pop();

            // pc.us().removeQuery();
            adapter.loadArg(0);
            adapter.invokeVirtual(Types.PAGE_CONTEXT, US);
            adapter.invokeInterface(UNDEFINED, REMOVE_QUERY);

            // NumberIterator.release(ni);
            adapter.loadLocal(tag.getNumberIterator());
            adapter.invokeStatic(NUMBER_ITERATOR, REALEASE);
        }
    }, null);
    tfv.visitTryBegin(bc);
    WhileVisitor wv = new WhileVisitor();
    if (tag instanceof TagLoop)
        ((TagLoop) tag).setLoopVisitor(wv);
    wv.visitBeforeExpression(bc);

    //while(ni.isValid()) {
    adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(current);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, IS_VALID_1);

    wv.visitAfterExpressionBeforeBody(bc);

    // if(!query.go(ni.current()))break; 
    adapter.loadLocal(tag.getQuery());
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);

    adapter.loadLocal(tag.getPID());
    adapter.invokeInterface(Types.QUERY, TagLoop.GO);

    NotVisitor.visitNot(bc);
    Label _if = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, _if);
    wv.visitBreak(bc);
    adapter.visitLabel(_if);

    if (attrGroup != null) {
        // NumberIterator oldNi=numberIterator;
        int oldNi = adapter.newLocal(NUMBER_ITERATOR);
        adapter.loadLocal(tag.getNumberIterator());
        adapter.storeLocal(oldNi);

        // numberIterator=NumberIterator.load(ni,query,group,grp_case);
        adapter.loadArg(0);
        adapter.loadLocal(tag.getNumberIterator());
        adapter.loadLocal(tag.getQuery());
        adapter.loadLocal(tag.getGroup());
        adapter.loadLocal(groupCaseSensitive);
        adapter.invokeStatic(NUMBER_ITERATOR, LOAD_5);
        adapter.storeLocal(tag.getNumberIterator());

        // current=oldNi.current();
        adapter.loadLocal(oldNi);
        adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
        adapter.storeLocal(current);

        tag.getBody().writeOut(bc);

        //tmp(adapter,current);

        // NumberIterator.release(ni);
        adapter.loadLocal(tag.getNumberIterator());
        adapter.invokeStatic(NUMBER_ITERATOR, REALEASE);

        // numberIterator=oldNi;
        adapter.loadLocal(oldNi);
        adapter.storeLocal(tag.getNumberIterator());
    } else {
        // current=ni.current();
        adapter.loadLocal(tag.getNumberIterator());
        adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
        adapter.storeLocal(current);

        tag.getBody().writeOut(bc);
    }

    // ni.setCurrent(current+1);
    /*adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(current);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, SET_CURRENT);*/

    wv.visitAfterBody(bc, tag.getEnd());

    tfv.visitTryEnd(bc);

    adapter.visitLabel(ifRecCount);

    if (isOutput)
        pbv.visitEnd(bc);
}

From source file:lucee.transformer.bytecode.statement.tag.TagGroupUtil.java

License:Open Source License

public static void writeOutTypeGroup(TagGroup tag, BytecodeContext bc) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    boolean isOutput = tag.getType() == TagGroup.TAG_OUTPUT;
    ParseBodyVisitor pbv = isOutput ? new ParseBodyVisitor() : null;
    if (isOutput)
        pbv.visitBegin(bc);//  w  w w  . j  ava2 s .c  om

    // Group
    Attribute attrGroup = tag.getAttribute("group");
    tag.setGroup(adapter.newLocal(Types.STRING));
    attrGroup.getValue().writeOut(bc, Expression.MODE_REF);
    adapter.storeLocal(tag.getGroup());

    // Group Case Sensitve
    Attribute attrGroupCS = tag.getAttribute("groupcasesensitive");
    int groupCaseSensitive = adapter.newLocal(Types.BOOLEAN_VALUE);
    if (attrGroupCS != null)
        attrGroupCS.getValue().writeOut(bc, Expression.MODE_VALUE);
    else
        adapter.push(true);
    adapter.storeLocal(groupCaseSensitive);

    TagGroup parent = getParentTagGroupQuery(tag, tag.getType());
    tag.setNumberIterator(parent.getNumberIterator());
    tag.setQuery(parent.getQuery());
    //queryImpl = parent.getQueryImpl();

    // current
    int current = adapter.newLocal(Types.INT_VALUE);
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
    adapter.storeLocal(current);

    // current
    int icurrent = adapter.newLocal(Types.INT_VALUE);

    adapter.loadLocal(current);
    adapter.push(1);
    adapter.visitInsn(Opcodes.ISUB);
    adapter.storeLocal(icurrent);

    WhileVisitor wv = new WhileVisitor();
    if (tag instanceof TagLoop)
        ((TagLoop) tag).setLoopVisitor(wv);
    wv.visitBeforeExpression(bc);

    //while(ni.isValid()) {
    adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(icurrent);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, IS_VALID_1);

    wv.visitAfterExpressionBeforeBody(bc);

    // if(!query.go(ni.current()))break; 
    adapter.loadLocal(tag.getQuery());
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);

    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_ID);
    adapter.invokeInterface(Types.QUERY, TagLoop.GO);

    NotVisitor.visitNot(bc);
    Label _if = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, _if);
    wv.visitBreak(bc);
    adapter.visitLabel(_if);

    // NumberIterator oldNi=numberIterator;
    int oldNi = adapter.newLocal(NUMBER_ITERATOR);

    adapter.loadLocal(tag.getNumberIterator());
    adapter.storeLocal(oldNi);

    // numberIterator=NumberIterator.load(ni,query,group,grp_case);
    adapter.loadArg(0);
    adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(tag.getQuery());
    adapter.loadLocal(tag.getGroup());
    adapter.loadLocal(groupCaseSensitive);
    adapter.invokeStatic(NUMBER_ITERATOR, LOAD_5);
    adapter.storeLocal(tag.getNumberIterator());

    // current=oldNi.current();
    adapter.loadLocal(oldNi);
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
    adapter.storeLocal(icurrent);

    tag.getBody().writeOut(bc);

    //tmp(adapter,current);

    // NumberIterator.release(ni);
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeStatic(NUMBER_ITERATOR, REALEASE);

    // numberIterator=oldNi;
    adapter.loadLocal(oldNi);
    adapter.storeLocal(tag.getNumberIterator());

    // ni.setCurrent(current+1);
    /*adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(icurrent);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, SET_CURRENT);
    */
    wv.visitAfterBody(bc, tag.getEnd());

    //query.go(ni.current(),pc.getId())
    resetCurrentrow(adapter, tag, current);

    // ni.first();
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, FIRST);
    adapter.pop();

    if (isOutput)
        pbv.visitEnd(bc);
}

From source file:lucee.transformer.bytecode.statement.tag.TagGroupUtil.java

License:Open Source License

public static void writeOutTypeInnerGroup(TagGroup tag, BytecodeContext bc) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();

    TagGroup parent = getParentTagGroupQuery(tag, tag.getType());
    tag.setNumberIterator(parent.getNumberIterator());
    tag.setQuery(parent.getQuery());//from w  w  w.  ja va 2  s  .  c o m
    //queryImpl = parent.getQueryImpl();

    int current = adapter.newLocal(Types.INT_VALUE);
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
    adapter.storeLocal(current);

    // inner current
    int icurrent = adapter.newLocal(Types.INT_VALUE);

    adapter.loadLocal(current);
    adapter.push(1);
    adapter.visitInsn(Opcodes.ISUB);
    adapter.storeLocal(icurrent);

    WhileVisitor wv = new WhileVisitor();
    if (tag instanceof TagLoop)
        ((TagLoop) tag).setLoopVisitor(wv);
    wv.visitBeforeExpression(bc);

    //while(ni.isValid()) {
    adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(icurrent);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, IS_VALID_1);

    wv.visitAfterExpressionBeforeBody(bc);

    // if(!query.go(ni.current()))break; 

    adapter.loadLocal(tag.getQuery());
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);

    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_ID);
    adapter.invokeInterface(Types.QUERY, TagLoop.GO);

    /*OLD
    adapter.invokeInterface(Types.QUERY, TagLoop.GO_1);
    */
    NotVisitor.visitNot(bc);
    Label _if = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, _if);
    wv.visitBreak(bc);
    adapter.visitLabel(_if);

    // current=ni.current();
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
    adapter.storeLocal(icurrent);

    tag.getBody().writeOut(bc);

    // ni.setCurrent(current+1);
    /*adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(icurrent);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, SET_CURRENT);*/

    wv.visitAfterBody(bc, tag.getEnd());

    resetCurrentrow(adapter, tag, current);

    // ni.first();
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, FIRST);
    adapter.pop();
}

From source file:lucee.transformer.bytecode.statement.tag.TagGroupUtil.java

License:Open Source License

public static void writeOutTypeInnerQuery(TagGroup tag, BytecodeContext bc) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    //if(tr ue)return ;
    TagGroup parent = getParentTagGroupQuery(tag, tag.getType());
    tag.setNumberIterator(parent.getNumberIterator());
    tag.setQuery(parent.getQuery());// www .j  av a  2  s.co  m
    tag.setPID(parent.getPID());
    //queryImpl = parent.getQueryImpl();

    //int currentOuter=ni.current();
    int current = adapter.newLocal(Types.INT_VALUE);
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
    adapter.storeLocal(current);

    // current
    int icurrent = adapter.newLocal(Types.INT_VALUE);

    adapter.loadLocal(current);
    adapter.push(1);
    adapter.visitInsn(Opcodes.ISUB);
    adapter.storeLocal(icurrent);

    WhileVisitor wv = new WhileVisitor();
    if (tag instanceof TagLoop)
        ((TagLoop) tag).setLoopVisitor(wv);
    wv.visitBeforeExpression(bc);

    //while(ni.isValid()) {
    adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(icurrent);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, IS_VALID_1);

    wv.visitAfterExpressionBeforeBody(bc);

    // if(!query.go(ni.current()))break; 
    adapter.loadLocal(tag.getQuery());
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);

    adapter.loadLocal(tag.getPID());
    adapter.invokeInterface(Types.QUERY, TagLoop.GO);

    NotVisitor.visitNot(bc);
    Label _if = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, _if);
    wv.visitBreak(bc);
    adapter.visitLabel(_if);

    // current=ni.current();
    adapter.loadLocal(tag.getNumberIterator());
    adapter.invokeVirtual(NUMBER_ITERATOR, CURRENT);
    adapter.storeLocal(icurrent);

    tag.getBody().writeOut(bc);

    // ni.setCurrent(current+1);
    /*adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(icurrent);
    adapter.push(1);
    adapter.visitInsn(Opcodes.IADD);
    adapter.invokeVirtual(NUMBER_ITERATOR, SET_CURRENT);*/

    wv.visitAfterBody(bc, tag.getEnd());

    // ni.setCurrent(currentOuter);
    adapter.loadLocal(tag.getNumberIterator());
    adapter.loadLocal(current);
    adapter.invokeVirtual(NUMBER_ITERATOR, SET_CURRENT);

    adapter.loadLocal(tag.getQuery());
    adapter.loadLocal(current);

    adapter.loadLocal(tag.getPID());
    //adapter.loadArg(0);
    //adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_ID);
    adapter.invokeInterface(Types.QUERY, TagLoop.GO);
    adapter.pop();
    //adapter.pop();
}

From source file:lucee.transformer.bytecode.statement.tag.TagIf.java

License:Open Source License

private static Label writeOutElseIfStart(BytecodeContext bc, Tag tag) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();

    ExprBoolean cont = CastBoolean.toExprBoolean(tag.getAttribute("condition").getValue());

    Label endIf = new Label();

    ExpressionUtil.visitLine(bc, tag.getStart());
    cont.writeOut(bc, Expression.MODE_VALUE);
    adapter.ifZCmp(Opcodes.IFEQ, endIf);
    return endIf;
}