Example usage for org.objectweb.asm Opcodes IFEQ

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

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Prototype

int IFEQ

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Usage

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

License:Open Source License

/**
 * write out file loop// w ww  .j a v  a2  s  .  c  o  m
 * @param adapter
 * @throws TemplateException
 */
private void writeOutTypeFile(BytecodeContext bc) throws BytecodeException {
    WhileVisitor whileVisitor = new WhileVisitor();
    loopVisitor = whileVisitor;
    GeneratorAdapter adapter = bc.getAdapter();

    // charset=@charset
    int charset = adapter.newLocal(Types.STRING);
    Attribute attrCharset = getAttribute("charset");
    if (attrCharset == null)
        adapter.visitInsn(Opcodes.ACONST_NULL);
    else
        attrCharset.getValue().writeOut(bc, Expression.MODE_REF);
    adapter.storeLocal(charset);

    // startline=@startline
    int startline = adapter.newLocal(Types.INT_VALUE);
    Attribute attrStartLine = getAttribute("startline");
    if (attrStartLine == null)
        attrStartLine = getAttribute("from"); // CF8
    if (attrStartLine == null)
        adapter.push(1);
    else {
        attrStartLine.getValue().writeOut(bc, Expression.MODE_VALUE);
        adapter.visitInsn(Opcodes.D2I);
    }
    adapter.storeLocal(startline);

    // endline=@endline
    int endline = adapter.newLocal(Types.INT_VALUE);
    Attribute attrEndLine = getAttribute("endline");
    if (attrEndLine == null)
        attrEndLine = getAttribute("to");
    if (attrEndLine == null)
        adapter.push(-1);
    else {
        attrEndLine.getValue().writeOut(bc, Expression.MODE_VALUE);
        adapter.visitInsn(Opcodes.D2I);
    }
    adapter.storeLocal(endline);

    //VariableReference index=VariableInterpreter.getVariableReference(pc,@index);
    int index = -1, item = -1;

    // item
    Attribute attrItem = getAttribute("item");
    if (attrItem != null) {
        item = adapter.newLocal(Types.VARIABLE_REFERENCE);
        adapter.loadArg(0);
        attrItem.getValue().writeOut(bc, Expression.MODE_REF);
        adapter.invokeStatic(Types.VARIABLE_INTERPRETER, GET_VARIABLE_REFERENCE);
        adapter.storeLocal(item);
    }

    // index
    Attribute attrIndex = getAttribute("index");
    if (attrIndex != null) {
        index = adapter.newLocal(Types.VARIABLE_REFERENCE);
        adapter.loadArg(0);
        attrIndex.getValue().writeOut(bc, Expression.MODE_REF);
        adapter.invokeStatic(Types.VARIABLE_INTERPRETER, GET_VARIABLE_REFERENCE);
        adapter.storeLocal(index);
    }

    //java.io.File file=FileUtil.toResourceExisting(pc,@file);
    int resource = adapter.newLocal(Types.RESOURCE);
    adapter.loadArg(0);
    getAttribute("file").getValue().writeOut(bc, Expression.MODE_REF);
    adapter.invokeStatic(RESOURCE_UTIL, TO_RESOURCE_EXISTING);
    adapter.storeLocal(resource);

    // pc.getConfig().getSecurityManager().checkFileLocation(resource);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_CONFIG);
    adapter.invokeInterface(Types.CONFIG_WEB, GET_SECURITY_MANAGER);
    adapter.loadLocal(resource);
    adapter.invokeInterface(Types.SECURITY_MANAGER, CHECK_FILE_LOCATION);

    // char[] carr=new char[characters];
    Attribute attr = getAttribute("characters");
    int carr = -1;
    if (attr != null) {
        carr = adapter.newLocal(Types.CHAR_ARRAY);
        attr.getValue().writeOut(bc, Expression.MODE_VALUE);
        adapter.cast(Types.DOUBLE_VALUE, Types.INT_VALUE);
        adapter.newArray(Types.CHAR);
        adapter.storeLocal(carr);
    }

    // BufferedReader reader = IOUtil.getBufferedReader(resource,charset);
    final int br = adapter.newLocal(Types.BUFFERED_READER);
    adapter.loadLocal(resource);
    adapter.loadLocal(charset);
    adapter.invokeStatic(IO_UTIL, GET_BUFFERED_READER);
    adapter.storeLocal(br);

    // String line;
    int line = adapter.newLocal(Types.STRING);

    // int count=0;  
    int count = adapter.newLocal(Types.INT_VALUE);
    adapter.push(0);
    adapter.storeLocal(count);

    TryFinallyVisitor tfv = new TryFinallyVisitor(new OnFinally() {
        public void _writeOut(BytecodeContext bc) {
            bc.getAdapter().loadLocal(br);
            bc.getAdapter().invokeStatic(IO_UTIL, CLOSE_EL);
        }
    }, null);
    //TryFinallyVisitor tcfv=new TryFinallyVisitor();

    // try
    tfv.visitTryBegin(bc);
    //tcfv.visitTryBegin(bc);
    // while((line=br.readLine())!=null) { 
    //WhileVisitor wv=new WhileVisitor();
    whileVisitor.visitBeforeExpression(bc);
    DecisionObjectVisitor dv = new DecisionObjectVisitor();
    dv.visitBegin();
    if (attr != null) {
        // IOUtil.read(bufferedreader,12)
        adapter.loadLocal(br);
        adapter.loadLocal(carr);
        adapter.arrayLength();
        adapter.invokeStatic(Types.IOUTIL, READ);
    } else {
        // br.readLine()
        adapter.loadLocal(br);
        adapter.invokeVirtual(Types.BUFFERED_READER, READ_LINE);
    }
    adapter.dup();
    adapter.storeLocal(line);

    dv.visitNEQ();
    adapter.visitInsn(Opcodes.ACONST_NULL);
    dv.visitEnd(bc);

    whileVisitor.visitAfterExpressionBeforeBody(bc);
    //if(++count < startLine) continue; 
    DecisionIntVisitor dv2 = new DecisionIntVisitor();
    dv2.visitBegin();
    adapter.iinc(count, 1);
    adapter.loadLocal(count);
    dv2.visitLT();
    adapter.loadLocal(startline);
    dv2.visitEnd(bc);
    Label end = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, end);
    whileVisitor.visitContinue(bc);
    adapter.visitLabel(end);

    // if(endLine!=-1 && count > endLine) break; 
    DecisionIntVisitor div = new DecisionIntVisitor();
    div.visitBegin();
    adapter.loadLocal(endline);
    div.visitNEQ();
    adapter.push(-1);
    div.visitEnd(bc);
    Label end2 = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, end2);

    DecisionIntVisitor div2 = new DecisionIntVisitor();
    div2.visitBegin();
    adapter.loadLocal(count);
    div2.visitGT();
    adapter.loadLocal(endline);
    div2.visitEnd(bc);
    Label end3 = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, end3);
    whileVisitor.visitBreak(bc);
    adapter.visitLabel(end3);
    adapter.visitLabel(end2);

    // index and item
    if (index != -1 && item != -1) {
        // index.set(pc,line); 
        adapter.loadLocal(index);
        adapter.loadArg(0);
        adapter.loadLocal(count);
        adapter.cast(Types.INT_VALUE, Types.DOUBLE_VALUE);
        adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_DOUBLE_FROM_DOUBLE);

        adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET);
        adapter.pop();

        // item.set(pc,line); 
        adapter.loadLocal(item);
        adapter.loadArg(0);
        adapter.loadLocal(line);
        adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET);
        adapter.pop();

    }
    // only index
    else if (index != -1) {
        // index.set(pc,line); 
        adapter.loadLocal(index);
        adapter.loadArg(0);
        adapter.loadLocal(line);
        adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET);
        adapter.pop();

    }
    // only item
    else {
        // item.set(pc,line); 
        adapter.loadLocal(item);
        adapter.loadArg(0);
        adapter.loadLocal(line);
        adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET);
        adapter.pop();
    }

    getBody().writeOut(bc);

    whileVisitor.visitAfterBody(bc, getEnd());

    tfv.visitTryEnd(bc);

}

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

License:Open Source License

/**
 * write out index loop//ww  w.jav  a2s . c o m
 * @param adapter
 * @throws TemplateException
 */
private void writeOutTypeFromTo(BytecodeContext bc) throws BytecodeException {
    ForDoubleVisitor forDoubleVisitor = new ForDoubleVisitor();
    loopVisitor = forDoubleVisitor;
    GeneratorAdapter adapter = bc.getAdapter();

    // int from=(int)@from;
    int from = adapter.newLocal(Types.DOUBLE_VALUE);
    ExpressionUtil.writeOutSilent(getAttribute("from").getValue(), bc, Expression.MODE_VALUE);
    adapter.storeLocal(from);

    // int to=(int)@to;
    int to = adapter.newLocal(Types.DOUBLE_VALUE);
    ExpressionUtil.writeOutSilent(getAttribute("to").getValue(), bc, Expression.MODE_VALUE);
    adapter.storeLocal(to);

    // int step=(int)@step;
    int step = adapter.newLocal(Types.DOUBLE_VALUE);
    Attribute attrStep = getAttribute("step");
    if (attrStep != null) {
        ExpressionUtil.writeOutSilent(attrStep.getValue(), bc, Expression.MODE_VALUE);
    } else {
        adapter.push(1D);
    }
    adapter.storeLocal(step);

    // boolean dirPlus=(step > 0);
    int dirPlus = adapter.newLocal(Types.BOOLEAN_VALUE);
    DecisionDoubleVisitor div = new DecisionDoubleVisitor();
    div.visitBegin();
    adapter.loadLocal(step);
    div.visitGT();
    adapter.push(0D);
    div.visitEnd(bc);
    adapter.storeLocal(dirPlus);

    //if(step!=0) {
    div = new DecisionDoubleVisitor();
    div.visitBegin();
    adapter.loadLocal(step);
    div.visitNEQ();
    adapter.push(0D);
    div.visitEnd(bc);
    Label ifEnd = new Label();
    adapter.ifZCmp(Opcodes.IFEQ, ifEnd);

    // VariableReference index>=VariableInterpreter.getVariableReference(pc,@index));
    int index = adapter.newLocal(Types.VARIABLE_REFERENCE);
    adapter.loadArg(0);
    Attribute attr = getAttribute("index");
    if (attr == null)
        attr = getAttribute("item");
    ExpressionUtil.writeOutSilent(attr.getValue(), bc, Expression.MODE_REF);
    adapter.invokeStatic(Types.VARIABLE_INTERPRETER, GET_VARIABLE_REFERENCE);
    adapter.storeLocal(index);

    // index.set(from);
    adapter.loadLocal(index);
    adapter.loadLocal(from);
    adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET_DOUBLE);

    // for

    //int i=forConditionVisitor.visitBeforeExpression(adapter,from,step,true);

    // init
    adapter.visitLabel(forDoubleVisitor.beforeInit);
    forDoubleVisitor.forInit(adapter, from, true);
    adapter.goTo(forDoubleVisitor.beforeExpr);

    // update
    adapter.visitLabel(forDoubleVisitor.beforeUpdate);
    adapter.loadLocal(index);
    //forConditionVisitor.forUpdate(adapter, step, true);
    adapter.visitVarInsn(Opcodes.DLOAD, forDoubleVisitor.i);
    adapter.loadLocal(step);
    adapter.visitInsn(Opcodes.DADD);
    adapter.visitInsn(Opcodes.DUP2);
    adapter.visitVarInsn(Opcodes.DSTORE, forDoubleVisitor.i);

    adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET_DOUBLE);

    // expression
    adapter.visitLabel(forDoubleVisitor.beforeExpr);
    int i = forDoubleVisitor.i;

    adapter.loadLocal(dirPlus);
    Label l1 = new Label();
    adapter.visitJumpInsn(Opcodes.IFEQ, l1);

    div = new DecisionDoubleVisitor();
    div.visitBegin();
    adapter.visitVarInsn(Opcodes.DLOAD, i);
    div.visitLTE();
    adapter.loadLocal(to);
    div.visitEnd(bc);

    Label l2 = new Label();
    adapter.visitJumpInsn(Opcodes.GOTO, l2);
    adapter.visitLabel(l1);

    div = new DecisionDoubleVisitor();
    div.visitBegin();
    adapter.visitVarInsn(Opcodes.DLOAD, i);
    div.visitGTE();
    adapter.loadLocal(to);
    div.visitEnd(bc);

    adapter.visitLabel(l2);
    forDoubleVisitor.visitAfterExpressionBeginBody(adapter);

    //adapter.loadLocal(index);
    //adapter.visitVarInsn(Opcodes.DLOAD, i);
    //adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET_DOUBLE);

    getBody().writeOut(bc);

    forDoubleVisitor.visitEndBody(bc, getEnd());

    ////// set i after usage
    //adapter.loadLocal(index);
    //adapter.visitVarInsn(Opcodes.DLOAD, i);
    //adapter.invokeVirtual(Types.VARIABLE_REFERENCE, SET_DOUBLE);

    adapter.visitLabel(ifEnd);

}

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

License:Open Source License

/**
 *
 * @see lucee.transformer.bytecode.statement.tag.TagBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter)
 *///from w  w w .  ja  v  a 2 s  . com
public void _writeOut(BytecodeContext bc) throws BytecodeException {
    final GeneratorAdapter adapter = bc.getAdapter();

    final int silentMode = adapter.newLocal(Types.BOOLEAN_VALUE);

    // boolean silentMode= pc.setSilent();
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, SET_SILENT);
    adapter.storeLocal(silentMode);

    // call must be 
    TryFinallyVisitor tfv = new TryFinallyVisitor(new OnFinally() {
        public void _writeOut(BytecodeContext bc) {
            //if(fcf!=null && fcf.getAfterFinalGOTOLabel()!=null)ASMUtil.visitLabel(adapter,fcf.getFinalEntryLabel());
            // if(!silentMode)pc.unsetSilent();
            Label _if = new Label();
            adapter.loadLocal(silentMode);
            NotVisitor.visitNot(bc);
            adapter.ifZCmp(Opcodes.IFEQ, _if);
            adapter.loadArg(0);
            adapter.invokeVirtual(Types.PAGE_CONTEXT, UNSET_SILENT);
            adapter.pop();

            adapter.visitLabel(_if);
            /*if(fcf!=null) {
               Label l = fcf.getAfterFinalGOTOLabel();
               if(l!=null)adapter.visitJumpInsn(Opcodes.GOTO, l);
            }*/
        }
    }, getFlowControlFinal());
    tfv.visitTryBegin(bc);
    getBody().writeOut(bc);
    tfv.visitTryEnd(bc);

}

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

License:Open Source License

/**
 *
 * @see lucee.transformer.bytecode.statement.tag.TagBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter)
 *///www  . ja v a 2s.c om
public void _writeOut(BytecodeContext bc) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    adapter.visitLabel(begin);
    Body tryBody = new BodyBase();
    List<Tag> catches = new ArrayList<Tag>();
    Tag tmpFinal = null;

    tryBody.setParent(getBody().getParent());

    List<Statement> statements = getBody().getStatements();
    Statement stat;
    Tag tag;
    {
        Iterator<Statement> it = statements.iterator();
        while (it.hasNext()) {
            stat = it.next();
            if (stat instanceof Tag) {
                tag = (Tag) stat;
                if (tag.getTagLibTag().getTagClassName().equals("lucee.runtime.tag.Catch")) {
                    catches.add(tag);
                    continue;
                } else if (tag.getTagLibTag().getTagClassName().equals("lucee.runtime.tag.Finally")) {
                    tmpFinal = tag;
                    continue;
                }
            }
            tryBody.addStatement(stat);
        }
        ;
    }
    final Tag _finally = tmpFinal;

    // has no try body, if there is no try body, no catches are executed, only finally 
    if (!tryBody.hasStatements()) {

        if (_finally != null && _finally.getBody() != null) {
            BodyBase.writeOut(bc, _finally.getBody());
            //ExpressionUtil.writeOut(_finally.getBody(), bc);
        }
        return;
    }
    TryCatchFinallyVisitor tcfv = new TryCatchFinallyVisitor(new OnFinally() {

        public void _writeOut(BytecodeContext bc) throws BytecodeException {
            if (_finally != null) {

                ExpressionUtil.visitLine(bc, _finally.getStart());
                BodyBase.writeOut(bc, _finally.getBody());
                //ExpressionUtil.writeOut(_finally.getBody(), bc);
            }
        }
    }, getFlowControlFinal());

    // Try
    tcfv.visitTryBegin(bc);
    BodyBase.writeOut(bc, tryBody);
    //ExpressionUtil.writeOut(tryBody, bc);
    int e = tcfv.visitTryEndCatchBeging(bc);
    // if(e instanceof lucee.runtime.exp.Abort) throw e;
    Label abortEnd = new Label();
    adapter.loadLocal(e);
    // Abort.isAbort(t);
    adapter.invokeStatic(Types.ABORT, TryCatchFinally.IS_ABORT);
    //adapter.instanceOf(Types.ABORT);

    adapter.ifZCmp(Opcodes.IFEQ, abortEnd);
    adapter.loadLocal(e);
    adapter.throwException();
    adapter.visitLabel(abortEnd);

    // PageExceptionImpl old=pc.getCatch();
    int old = adapter.newLocal(Types.PAGE_EXCEPTION);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_CATCH);
    adapter.storeLocal(old);

    // PageException pe=Caster.toPageEception(e);
    int pe = adapter.newLocal(Types.PAGE_EXCEPTION);
    adapter.loadLocal(e);
    adapter.invokeStatic(Types.CASTER, TO_PAGE_EXCEPTION);
    adapter.storeLocal(pe);

    Iterator<Tag> it = catches.iterator();
    Attribute attrType;
    Expression type;
    Label endAllIfs = new Label();
    Tag tagElse = null;
    while (it.hasNext()) {
        tag = it.next();
        Label endIf = new Label();
        attrType = tag.getAttribute("type");
        type = ANY;
        if (attrType != null)
            type = attrType.getValue();

        if (type instanceof LitString && ((LitString) type).getString().equalsIgnoreCase("any")) {
            tagElse = tag;
            continue;
        }

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

        // if(pe.typeEqual(@type)
        adapter.loadLocal(pe);
        type.writeOut(bc, Expression.MODE_REF);
        adapter.invokeVirtual(Types.PAGE_EXCEPTION, TYPE_EQUAL);

        adapter.ifZCmp(Opcodes.IFEQ, endIf);
        catchBody(bc, adapter, tag, pe, true, true);

        adapter.visitJumpInsn(Opcodes.GOTO, endAllIfs);

        adapter.visitLabel(endIf);

    }
    // else 
    if (tagElse != null) {
        catchBody(bc, adapter, tagElse, pe, true, true);
    } else {
        // pc.setCatch(pe,true);
        adapter.loadArg(0);
        adapter.loadLocal(pe);
        adapter.push(false);
        adapter.push(true);
        adapter.invokeVirtual(Types.PAGE_CONTEXT, SET_CATCH3);

        //throw pe;
        adapter.loadLocal(pe);
        adapter.throwException();
    }
    adapter.visitLabel(endAllIfs);

    // PageExceptionImpl old=pc.getCatch();
    adapter.loadArg(0);
    adapter.loadLocal(old);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, SET_CATCH_PE);

    tcfv.visitCatchEnd(bc);
}

From source file:lucee.transformer.bytecode.statement.tag.TagTry2.java

License:Open Source License

@Override
public void _writeOut(BytecodeContext bc) throws TransformerException {
    GeneratorAdapter adapter = bc.getAdapter();
    adapter.visitLabel(begin);//  w w w. j  a v a  2  s.c o  m
    Body tryBody = new BodyBase(getFactory());
    List<Tag> catches = new ArrayList<Tag>();
    Tag tmpFinal = null;

    tryBody.setParent(getBody().getParent());

    List<Statement> statements = getBody().getStatements();
    Statement stat;
    Tag tag;
    {
        Iterator<Statement> it = statements.iterator();
        while (it.hasNext()) {
            stat = it.next();
            if (stat instanceof Tag) {
                tag = (Tag) stat;
                if (tag.getTagLibTag().getTagClassDefinition().isClassNameEqualTo("lucee.runtime.tag.Catch")) {
                    catches.add(tag);
                    continue;
                } else if (tag.getTagLibTag().getTagClassDefinition()
                        .isClassNameEqualTo("lucee.runtime.tag.Finally")) {
                    tmpFinal = tag;
                    continue;
                }
            }
            tryBody.addStatement(stat);
        }
        ;
    }
    final Tag _finally = tmpFinal;

    // has no try body, if there is no try body, no catches are executed, only finally 
    if (!tryBody.hasStatements()) {

        if (_finally != null && _finally.getBody() != null) {
            BodyBase.writeOut(bc, _finally.getBody());
            //ExpressionUtil.writeOut(_finally.getBody(), bc);
        }
        return;
    }
    TryCatchFinallyVisitor tcfv = new TryCatchFinallyVisitor(new OnFinally() {

        @Override
        public void _writeOut(BytecodeContext bc) throws TransformerException {
            if (_finally != null) {

                ExpressionUtil.visitLine(bc, _finally.getStart());
                BodyBase.writeOut(bc, _finally.getBody());
                //ExpressionUtil.writeOut(_finally.getBody(), bc);
            }
        }
    }, getFlowControlFinal());

    // Try
    tcfv.visitTryBegin(bc);
    BodyBase.writeOut(bc, tryBody);
    //ExpressionUtil.writeOut(tryBody, bc);
    int e = tcfv.visitTryEndCatchBeging(bc);
    // if(e instanceof lucee.runtime.exp.Abort) throw e;
    Label abortEnd = new Label();
    adapter.loadLocal(e);
    // Abort.isAbort(t);
    adapter.invokeStatic(Types.ABORT, TryCatchFinally.IS_ABORT);
    //adapter.instanceOf(Types.ABORT);

    adapter.ifZCmp(Opcodes.IFEQ, abortEnd);
    adapter.loadLocal(e);
    adapter.throwException();
    adapter.visitLabel(abortEnd);

    // PageExceptionImpl old=pc.getCatch();
    int oldPE = adapter.newLocal(Types.PAGE_EXCEPTION);
    int oldName = adapter.newLocal(Types.STRING);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_CATCH);
    adapter.storeLocal(oldPE);

    adapter.loadArg(0);
    adapter.checkCast(Types.PAGE_CONTEXT_IMPL);
    adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, GET_CATCH_NAME);
    adapter.storeLocal(oldName);

    // PageException pe=Caster.toPageEception(e);
    int pe = adapter.newLocal(Types.PAGE_EXCEPTION);
    adapter.loadLocal(e);
    adapter.invokeStatic(Types.CASTER, TO_PAGE_EXCEPTION);
    adapter.storeLocal(pe);

    Iterator<Tag> it = catches.iterator();
    Attribute attrType;
    Expression type;
    Label endAllIfs = new Label();
    Tag tagElse = null;
    while (it.hasNext()) {
        tag = it.next();
        Label endIf = new Label();

        // type
        attrType = tag.getAttribute("type");
        type = bc.getFactory().createLitString("any");
        if (attrType != null)
            type = attrType.getValue();
        if (type instanceof LitString && ((LitString) type).getString().equalsIgnoreCase("any")) {
            tagElse = tag;
            continue;
        }

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

        // if(pe.typeEqual(@type)
        adapter.loadLocal(pe);
        type.writeOut(bc, Expression.MODE_REF);
        adapter.invokeVirtual(Types.PAGE_EXCEPTION, TYPE_EQUAL);

        adapter.ifZCmp(Opcodes.IFEQ, endIf);
        catchBody(bc, adapter, tag, pe, true, true, extractName(tag));

        adapter.visitJumpInsn(Opcodes.GOTO, endAllIfs);

        adapter.visitLabel(endIf);

    }
    // else 
    if (tagElse != null) {
        catchBody(bc, adapter, tagElse, pe, true, true, extractName(tagElse));
    } else {
        // pc.setCatch(pe,true);
        adapter.loadArg(0);
        adapter.loadLocal(pe);
        adapter.push(false);
        adapter.push(true);
        adapter.invokeVirtual(Types.PAGE_CONTEXT, SET_CATCH3);

        //throw pe;
        adapter.loadLocal(pe);
        adapter.throwException();
    }
    adapter.visitLabel(endAllIfs);

    adapter.loadLocal(oldName);
    Label notNull = new Label();
    adapter.visitJumpInsn(Opcodes.IFNONNULL, notNull);
    // NULL
    adapter.loadArg(0);
    adapter.loadLocal(oldPE);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, SET_CATCH_PE);

    Label end = new Label();
    adapter.visitJumpInsn(Opcodes.GOTO, end);
    adapter.visitLabel(notNull);
    // NOT NULL
    adapter.loadArg(0);
    adapter.checkCast(Types.PAGE_CONTEXT_IMPL);
    adapter.loadLocal(oldPE);
    adapter.loadLocal(oldName);
    adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, SET_CATCH_PE2);

    adapter.visitLabel(end);

    tcfv.visitCatchEnd(bc);
}

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

License:Open Source License

private void _writeOutCatch(BytecodeContext bc, int lRef, int lThrow) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    int pe = adapter.newLocal(Types.PAGE_EXCEPTION);

    // instance of Abort
    Label abortEnd = new Label();
    adapter.loadLocal(lThrow);/*from   ww w .  j  av a2 s.  c o m*/
    adapter.invokeStatic(Types.ABORT, TryCatchFinally.IS_ABORT);
    //adapter.instanceOf(Types.ABORT);
    adapter.ifZCmp(Opcodes.IFEQ, abortEnd);
    adapter.loadLocal(lThrow);
    adapter.throwException();
    adapter.visitLabel(abortEnd);

    // PageExceptionImpl old=pc.getCatch();
    int old = adapter.newLocal(Types.PAGE_EXCEPTION);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.GET_CATCH);
    adapter.storeLocal(old);

    // cast to PageException  Caster.toPagException(t);
    adapter.loadLocal(lThrow);
    adapter.invokeStatic(Types.CASTER, TO_PAGE_EXCEPTION);

    // PageException pe=...
    adapter.storeLocal(pe);

    // catch loop
    Label endAllIf = new Label();
    Iterator<Catch> it = catches.iterator();
    Catch ctElse = null;
    while (it.hasNext()) {
        Catch ct = it.next();
        // store any for else
        if (ct.type != null && ct.type instanceof LitString
                && ((LitString) ct.type).getString().equalsIgnoreCase("any")) {
            ctElse = ct;
            continue;
        }

        ExpressionUtil.visitLine(bc, ct.line);

        // pe.typeEqual(type)
        if (ct.type == null) {
            LitBoolean.TRUE.writeOut(bc, Expression.MODE_VALUE);
        } else {
            adapter.loadLocal(pe);
            ct.type.writeOut(bc, Expression.MODE_REF);
            adapter.invokeVirtual(Types.PAGE_EXCEPTION, TYPE_EQUAL);
        }

        Label endIf = new Label();
        adapter.ifZCmp(Opcodes.IFEQ, endIf);

        catchBody(bc, adapter, ct, pe, lRef, true, true);

        adapter.visitJumpInsn(Opcodes.GOTO, endAllIf);
        adapter.visitLabel(endIf);

    }

    if (ctElse != null) {
        catchBody(bc, adapter, ctElse, pe, lRef, true, true);
    } else {
        // pc.setCatch(pe,true);
        adapter.loadArg(0);
        adapter.loadLocal(pe);
        adapter.push(false);
        adapter.push(false);
        adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH3);

        adapter.loadLocal(pe);
        adapter.throwException();
    }
    adapter.visitLabel(endAllIf);

    // PageExceptionImpl old=pc.setCatch(old);
    adapter.loadArg(0);
    adapter.loadLocal(old);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH_PE);

}

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

License:Open Source License

@Override
public void _writeOut(BytecodeContext bc) throws BytecodeException {
    GeneratorAdapter adapter = bc.getAdapter();
    adapter.visitLabel(begin);/*from w w  w.j a v  a  2  s.c  om*/

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

    body.writeOut(bc);
    adapter.visitJumpInsn(Opcodes.GOTO, begin);

    adapter.visitLabel(end);
}

From source file:lucee.transformer.bytecode.visitor.AndVisitor.java

License:Open Source License

public void visitMiddle(BytecodeContext bc) {
    bc.getAdapter().ifZCmp(Opcodes.IFEQ, end);

}

From source file:lucee.transformer.bytecode.visitor.AndVisitor.java

License:Open Source License

public void visitEnd(BytecodeContext bc) {
    GeneratorAdapter adapter = bc.getAdapter();
    adapter.ifZCmp(Opcodes.IFEQ, end);
    adapter.push(true);// w w  w .  ja v a  2 s. co m

    adapter.visitJumpInsn(Opcodes.GOTO, l2);
    adapter.visitLabel(end);

    adapter.push(false);
    adapter.visitLabel(l2);
}

From source file:lucee.transformer.bytecode.visitor.ConditionVisitor.java

License:Open Source License

public void visitWhenAfterExprBeforeBody(BytecodeContext bc) {
    endIf = new Label();
    bc.getAdapter().ifZCmp(Opcodes.IFEQ, endIf);
}