Examples with OnFinally lucee.transformer.bytecode.visitor.OnFinally used on opensource projects

Example 6 with OnFinally

use of lucee.transformer.bytecode.visitor.OnFinally in project Lucee by lucee.

the class ForEach method _writeOut.

@Override
public void _writeOut(BytecodeContext bc) throws TransformerException {
    GeneratorAdapter adapter = bc.getAdapter();
    final int it = adapter.newLocal(Types.ITERATOR);
    final int item = adapter.newLocal(Types.REFERENCE);
    // Value
    // ForEachUtil.toIterator(value)
    value.writeOut(bc, Expression.MODE_REF);
    adapter.invokeStatic(FOR_EACH_UTIL, FOR_EACH);
    // adapter.invokeStatic(COLLECTION_UTIL, TO_ITERATOR);
    // Iterator it=...
    adapter.storeLocal(it);
    TryFinallyVisitor tfv = new TryFinallyVisitor(new OnFinally() {

        @Override
        public void _writeOut(BytecodeContext bc) throws TransformerException {
            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);
}

Example 7 with OnFinally

use of lucee.transformer.bytecode.visitor.OnFinally in project Lucee by lucee.

the class Return method _writeOut.

@Override
public void _writeOut(BytecodeContext bc) throws TransformerException {
    GeneratorAdapter adapter = bc.getAdapter();
    if (expr == null)
        ASMConstants.NULL(adapter);
    else
        expr.writeOut(bc, Expression.MODE_REF);
    Stack<OnFinally> finallies = bc.getOnFinallyStack();
    int len = finallies.size();
    OnFinally onFinally;
    if (len > 0) {
        int rtn = adapter.newLocal(Types.OBJECT);
        adapter.storeLocal(rtn, Types.OBJECT);
        for (int i = len - 1; i >= 0; i--) {
            onFinally = finallies.get(i);
            if (!bc.insideFinally(onFinally))
                onFinally.writeOut(bc);
        }
        adapter.loadLocal(rtn, Types.OBJECT);
    }
    if (bc.getMethod().getReturnType().equals(Types.VOID)) {
        adapter.pop();
        adapter.visitInsn(Opcodes.RETURN);
    } else
        adapter.visitInsn(Opcodes.ARETURN);
}

Example 8 with OnFinally

use of lucee.transformer.bytecode.visitor.OnFinally in project Lucee by lucee.

the class TagLoop method writeOutTypeFile.

/**
 * write out file loop
 * @param adapter
 * @throws TemplateException
 */
private void writeOutTypeFile(BytecodeContext bc) throws TransformerException {
    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");
    // CF8
    if (attrStartLine == null)
        attrStartLine = getAttribute("from");
    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() {

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

Example 9 with OnFinally

use of lucee.transformer.bytecode.visitor.OnFinally in project Lucee by lucee.

the class TagSilent method _writeOut.

/**
 * @see lucee.transformer.bytecode.statement.tag.TagBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter)
 */
@Override
public void _writeOut(BytecodeContext bc) throws TransformerException {
    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() {

        @Override
        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);
}

Example 10 with OnFinally

use of lucee.transformer.bytecode.visitor.OnFinally in project Lucee by lucee.

the class TagTry method _writeOut.

@Override
public void _writeOut(BytecodeContext bc) throws TransformerException {
    final GeneratorAdapter adapter = bc.getAdapter();
    adapter.visitLabel(begin);
    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;
    }
    final int old = adapter.newLocal(Types.PAGE_EXCEPTION);
    adapter.loadArg(0);
    adapter.invokeVirtual(Types.PAGE_CONTEXT, GET_CATCH);
    adapter.storeLocal(old);
    TryCatchFinallyVisitor tcfv = new TryCatchFinallyVisitor(new OnFinally() {

        @Override
        public void _writeOut(BytecodeContext bc) throws TransformerException {
            adapter.loadArg(0);
            adapter.loadLocal(old);
            adapter.invokeVirtual(Types.PAGE_CONTEXT, SET_CATCH_PE);
            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();
    // 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 = 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);
        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();
    tcfv.visitCatchEnd(bc);
}