Examples with Statement lucee.transformer.bytecode.Statement used on opensource projects

Example 11 with Statement

use of lucee.transformer.bytecode.Statement in project Lucee by lucee.

the class ASMUtil method getAncestorTag.

/**
 * Gibt ein uebergeordnetes Tag mit dem uebergebenen Full-Name (Namespace und Name) zurueck,
 * falls ein solches existiert, andernfalls wird null zurueckgegeben.
 * @param el Startelement, von wo aus gesucht werden soll.
 * @param fullName Name des gesuchten Tags.
 * @return uebergeornetes Element oder null.
 */
public static Tag getAncestorTag(Statement stat, String fullName) {
    Statement parent = stat;
    Tag tag;
    while (true) {
        parent = parent.getParent();
        if (parent == null)
            return null;
        if (parent instanceof Tag) {
            tag = (Tag) parent;
            if (tag.getFullname().equalsIgnoreCase(fullName))
                return tag;
        }
    }
}

Example 12 with Statement

use of lucee.transformer.bytecode.Statement in project Lucee by lucee.

the class AbstrCFMLScriptTransformer method statement.

private boolean statement(ExprData data, Body parent, short context) throws TemplateException {
    short prior = data.context;
    data.context = context;
    comments(data);
    Statement child = null;
    if (data.srcCode.forwardIfCurrent(';')) {
        return true;
    } else if ((child = ifStatement(data)) != null)
        parent.addStatement(child);
    else if ((child = propertyStatement(data, parent)) != null)
        parent.addStatement(child);
    else if ((child = paramStatement(data, parent)) != null)
        parent.addStatement(child);
    else // else if(funcStatement(data,parent)); // do nothing, happen already inside the method
    if ((child = funcStatement(data, parent)) != null)
        parent.addStatement(child);
    else if ((child = whileStatement(data)) != null)
        parent.addStatement(child);
    else if ((child = doStatement(data)) != null)
        parent.addStatement(child);
    else if ((child = forStatement(data)) != null)
        parent.addStatement(child);
    else if ((child = returnStatement(data)) != null)
        parent.addStatement(child);
    else if ((child = switchStatement(data)) != null)
        parent.addStatement(child);
    else if ((child = tryStatement(data)) != null)
        parent.addStatement(child);
    else // else if(staticStatement(data,parent)) ; // do nothing, happen already inside the method
    if ((child = staticStatement(data, parent)) != null)
        parent.addStatement(child);
    else if ((child = componentStatement(data, parent)) != null)
        parent.addStatement(child);
    else if ((child = tagStatement(data, parent)) != null)
        parent.addStatement(child);
    else if ((child = cftagStatement(data, parent)) != null)
        parent.addStatement(child);
    else if (block(data, parent)) {
    } else
        parent.addStatement(expressionStatement(data, parent));
    data.docComment = null;
    data.context = prior;
    return false;
}

Example 13 with Statement

use of lucee.transformer.bytecode.Statement in project Lucee by lucee.

the class TagIf method _writeOut.

@Override
public void _writeOut(BytecodeContext bc) throws TransformerException {
    GeneratorAdapter adapter = bc.getAdapter();
    Label end = new Label();
    List<Statement> tmp = new ArrayList<Statement>();
    Iterator<Statement> it = getBody().getStatements().iterator();
    Tag t;
    Label endIf = writeOutElseIfStart(bc, this);
    boolean hasElse = false;
    while (it.hasNext()) {
        Statement stat = it.next();
        if (!hasElse && stat instanceof Tag) {
            t = (Tag) stat;
            if (t.getTagLibTag().getTagClassDefinition().isClassNameEqualTo("lucee.runtime.tag.ElseIf")) {
                __writeOut(bc, tmp);
                writeOutElseIfEnd(adapter, endIf, end);
                endIf = writeOutElseIfStart(bc, t);
                continue;
            } else if (t.getTagLibTag().getTagClassDefinition().isClassNameEqualTo("lucee.runtime.tag.Else")) {
                __writeOut(bc, tmp);
                ExpressionUtil.visitLine(bc, t.getStart());
                hasElse = true;
                writeOutElseIfEnd(adapter, endIf, end);
                continue;
            }
        }
        tmp.add(stat);
    // ExpressionUtil.writeOut(stat, bc);
    }
    __writeOut(bc, tmp);
    if (!hasElse)
        writeOutElseIfEnd(adapter, endIf, end);
    adapter.visitLabel(end);
}

Example 14 with Statement

use of lucee.transformer.bytecode.Statement in project Lucee by lucee.

the class TagSwitch method _writeOut.

/**
 * @see lucee.transformer.bytecode.statement.tag.TagBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter)
 */
@Override
public void _writeOut(BytecodeContext bc) throws TransformerException {
    GeneratorAdapter adapter = bc.getAdapter();
    // expression
    int expression = adapter.newLocal(Types.STRING);
    getAttribute("expression").getValue().writeOut(bc, Expression.MODE_REF);
    adapter.storeLocal(expression);
    List statements = getBody().getStatements();
    Statement stat;
    Tag tag;
    ConditionVisitor cv = new ConditionVisitor();
    cv.visitBefore();
    // cases
    Iterator it = statements.iterator();
    Tag def = null;
    while (it.hasNext()) {
        stat = (Statement) it.next();
        if (stat instanceof Tag) {
            tag = (Tag) stat;
            if (tag.getTagLibTag().getTagClassDefinition().isClassNameEqualTo("lucee.runtime.tag.Case")) {
                addCase(bc, cv, tag, expression);
                continue;
            } else if (tag.getTagLibTag().getTagClassDefinition().isClassNameEqualTo("lucee.runtime.tag.Defaultcase")) {
                if (def != null)
                    throw new TransformerException("multiple defaultcases are not allowed", getStart());
                def = tag;
            // setDefaultCase(bc,cv,tag);
            // break;
            }
        }
    }
    // default
    if (def != null)
        setDefaultCase(bc, cv, def);
    cv.visitAfter(bc);
}

Example 15 with Statement

use of lucee.transformer.bytecode.Statement 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);
}