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

Example 1 with BodyBase

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

the class TagFunction method _writeOut.

public void _writeOut(BytecodeContext bc, int type) throws TransformerException {
    // private static final Expression EMPTY = LitString.toExprString("");
    Body functionBody = new BodyBase(bc.getFactory());
    RefBoolean isStatic = new RefBooleanImpl();
    Function func = createFunction(bc.getPage(), functionBody, isStatic, bc.getOutput());
    // ScriptBody sb=new ScriptBody(bc.getFactory());
    func.setParent(getParent());
    List<Statement> statements = getBody().getStatements();
    Statement stat;
    Tag tag;
    // suppress WS between cffunction and the last cfargument
    Tag last = null;
    if (bc.getSupressWSbeforeArg()) {
        // check if there is a cfargument at all
        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.Argument")) {
                    last = tag;
                }
            }
        }
        // check if there are only literal WS printouts
        if (last != null) {
            it = statements.iterator();
            while (it.hasNext()) {
                stat = it.next();
                if (stat == last)
                    break;
                if (stat instanceof PrintOut) {
                    PrintOut po = (PrintOut) stat;
                    Expression expr = po.getExpr();
                    if (!(expr instanceof LitString) || !StringUtil.isWhiteSpace(((LitString) expr).getString())) {
                        last = null;
                        break;
                    }
                }
            }
        }
    }
    Iterator<Statement> it = statements.iterator();
    boolean beforeLastArgument = last != null;
    while (it.hasNext()) {
        stat = it.next();
        if (beforeLastArgument) {
            if (stat == last) {
                beforeLastArgument = false;
            } else if (stat instanceof PrintOut) {
                PrintOut po = (PrintOut) stat;
                Expression expr = po.getExpr();
                if (expr instanceof LitString) {
                    LitString ls = (LitString) expr;
                    if (StringUtil.isWhiteSpace(ls.getString()))
                        continue;
                }
            }
        }
        if (stat instanceof Tag) {
            tag = (Tag) stat;
            if (tag.getTagLibTag().getTagClassDefinition().isClassNameEqualTo("lucee.runtime.tag.Argument")) {
                addArgument(func, tag);
                continue;
            }
        }
        functionBody.addStatement(stat);
    }
    func._writeOut(bc, type);
}

Example 2 with BodyBase

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

the class AbstrCFMLScriptTransformer method tryStatement.

/**
 * Liest eine try Block ein
 * <br />
 * EBNF:<br />
 * <code>;</code>
 * @return Try Block
 * @throws TemplateException
 */
private final TryCatchFinally tryStatement(ExprData data) throws TemplateException {
    if (!data.srcCode.forwardIfCurrent("try", '{') && !data.srcCode.forwardIfCurrent("try ") && !data.srcCode.forwardIfCurrent("try", '/'))
        return null;
    data.srcCode.previous();
    Body body = new BodyBase(data.factory);
    TryCatchFinally tryCatchFinally = new TryCatchFinally(data.factory, body, data.srcCode.getPosition(), null);
    statement(data, body, CTX_TRY);
    comments(data);
    // catches
    short catchCount = 0;
    while (data.srcCode.forwardIfCurrent("catch", '(')) {
        catchCount++;
        comments(data);
        // type
        int pos = data.srcCode.getPos();
        Position line = data.srcCode.getPosition();
        Expression name = null, type = null;
        StringBuffer sbType = new StringBuffer();
        String id;
        while (true) {
            id = identifier(data, false);
            if (id == null)
                break;
            sbType.append(id);
            data.srcCode.removeSpace();
            if (!data.srcCode.forwardIfCurrent('.'))
                break;
            sbType.append('.');
            data.srcCode.removeSpace();
        }
        if (sbType.length() == 0) {
            type = string(data);
            if (type == null)
                throw new TemplateException(data.srcCode, "a catch statement must begin with the throwing type (query, application ...).");
        } else {
            type = data.factory.createLitString(sbType.toString());
        }
        // name = expression();
        comments(data);
        // name
        if (!data.srcCode.isCurrent(')')) {
            name = expression(data);
        } else {
            data.srcCode.setPos(pos);
            name = expression(data);
            type = data.factory.createLitString("any");
        }
        comments(data);
        Body b = new BodyBase(data.factory);
        try {
            tryCatchFinally.addCatch(type, name, b, line);
        } catch (TransformerException e) {
            throw new TemplateException(data.srcCode, e.getMessage());
        }
        comments(data);
        if (!data.srcCode.forwardIfCurrent(')'))
            throw new TemplateException(data.srcCode, "invalid catch statement, missing closing )");
        statement(data, b, CTX_CATCH);
        comments(data);
    }
    // finally
    if (finallyStatement(data, tryCatchFinally)) {
        comments(data);
    } else if (catchCount == 0)
        throw new TemplateException(data.srcCode, "a try statement must have at least one catch statement");
    // if(body.isEmpty()) return null;
    tryCatchFinally.setEnd(data.srcCode.getPosition());
    return tryCatchFinally;
}

Example 3 with BodyBase

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

the class AbstrCFMLScriptTransformer method caseStatement.

/**
 * Liest ein Case Statement ein
 * @return case Statement
 * @throws TemplateException
 */
private final boolean caseStatement(ExprData data, Switch swit) throws TemplateException {
    if (!data.srcCode.forwardIfCurrentAndNoWordAfter("case"))
        return false;
    // int line=data.srcCode.getLine();
    comments(data);
    Expression expr = super.expression(data);
    comments(data);
    if (!data.srcCode.forwardIfCurrent(':'))
        throw new TemplateException(data.srcCode, "case body must start with [:]");
    Body body = new BodyBase(data.factory);
    switchBlock(data, body);
    swit.addCase(expr, body);
    return true;
}

Example 4 with BodyBase

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

the class AbstrCFMLScriptTransformer method elseStatement.

/**
 * Liest ein else Statement ein.
 * <br />
 * EBNF:<br />
 * <code>block;</code>
 * @return else Statement
 * @throws TemplateException
 */
private final boolean elseStatement(ExprData data, Condition cont) throws TemplateException {
    if (!data.srcCode.forwardIfCurrent("else", '{') && !data.srcCode.forwardIfCurrent("else ") && !data.srcCode.forwardIfCurrent("else", '/'))
        return false;
    // start (
    data.srcCode.previous();
    // ex block
    Body body = new BodyBase(data.factory);
    Pair p = cont.setElse(body, data.srcCode.getPosition(), null);
    statement(data, body, CTX_ELSE);
    p.end = data.srcCode.getPosition();
    return true;
}

Example 5 with BodyBase

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

the class AbstrCFMLScriptTransformer method doStatement.

/**
 * Liest ein do Statement ein.
 * <br />
 * EBNF:<br />
 * <code>block spaces "while" spaces "(" spaces condition spaces ")";</code>
 * @return do Statement
 * @throws TemplateException
 */
private final DoWhile doStatement(ExprData data) throws TemplateException {
    int pos = data.srcCode.getPos();
    // id
    String id = variableDec(data, false);
    if (id == null) {
        data.srcCode.setPos(pos);
        return null;
    }
    if (id.equalsIgnoreCase("do")) {
        id = null;
        if (!data.srcCode.isCurrent('{') && !data.srcCode.isCurrent(' ') && !data.srcCode.isCurrent('/')) {
            data.srcCode.setPos(pos);
            return null;
        }
    } else {
        data.srcCode.removeSpace();
        if (!data.srcCode.forwardIfCurrent(':')) {
            data.srcCode.setPos(pos);
            return null;
        }
        data.srcCode.removeSpace();
        if (!data.srcCode.forwardIfCurrent("do", '{') && !data.srcCode.forwardIfCurrent("do ") && !data.srcCode.forwardIfCurrent("do", '/')) {
            data.srcCode.setPos(pos);
            return null;
        }
        data.srcCode.previous();
    }
    // if(!data.srcCode.forwardIfCurrent("do",'{') && !data.srcCode.forwardIfCurrent("do ") && !data.srcCode.forwardIfCurrent("do",'/'))
    // return null;
    Position line = data.srcCode.getPosition();
    Body body = new BodyBase(data.factory);
    // data.srcCode.previous();
    statement(data, body, CTX_DO_WHILE);
    comments(data);
    if (!data.srcCode.forwardIfCurrent("while", '('))
        throw new TemplateException(data.srcCode, "do statement must have a while at the end");
    DoWhile doWhile = new DoWhile(condition(data), body, line, data.srcCode.getPosition(), id);
    if (!data.srcCode.forwardIfCurrent(')'))
        throw new TemplateException(data.srcCode, "do statement must end with a [)]");
    return doWhile;
}