Examples with Expression lucee.transformer.expression.Expression used on opensource projects

Example 46 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class VT method _writeOutFirstDataMember.

Type _writeOutFirstDataMember(BytecodeContext bc, DataMember member, int scope, boolean last, boolean doOnlyScope, Expression defaultValue, RefInteger startIndex) throws TransformerException {
    GeneratorAdapter adapter = bc.getAdapter();
    if (startIndex != null)
        startIndex.setValue(doOnlyScope ? 0 : 1);
    // this/static
    if (scope == Scope.SCOPE_UNDEFINED) {
        ExprString name = member.getName();
        if (ASMUtil.isDotKey(name)) {
            LitString ls = (LitString) name;
            // THIS
            if (ls.getString().equalsIgnoreCase("THIS")) {
                if (startIndex != null)
                    startIndex.setValue(1);
                adapter.loadArg(0);
                adapter.checkCast(Types.PAGE_CONTEXT_IMPL);
                if (defaultValue != null) {
                    defaultValue.writeOut(bc, MODE_REF);
                    adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, (countFM + countDM) == 1 ? THIS_GET1 : THIS_TOUCH1);
                } else
                    adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, (countFM + countDM) == 1 ? THIS_GET0 : THIS_TOUCH0);
                return Types.OBJECT;
            }
            // STATIC
            if (ls.getString().equalsIgnoreCase("STATIC")) {
                if (startIndex != null)
                    startIndex.setValue(1);
                adapter.loadArg(0);
                adapter.checkCast(Types.PAGE_CONTEXT_IMPL);
                if (defaultValue != null) {
                    defaultValue.writeOut(bc, MODE_REF);
                    adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, (countFM + countDM) == 1 ? STATIC_GET1 : STATIC_TOUCH1);
                } else
                    adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, (countFM + countDM) == 1 ? STATIC_GET0 : STATIC_TOUCH0);
                return Types.OBJECT;
            }
        }
    }
    if (member.getSafeNavigated())
        adapter.loadArg(0);
    // collection
    Type rtn;
    if (scope == Scope.SCOPE_LOCAL && defaultValue != null) {
        // local
        adapter.loadArg(0);
        adapter.checkCast(Types.PAGE_CONTEXT_IMPL);
        getFactory().FALSE().writeOut(bc, MODE_VALUE);
        defaultValue.writeOut(bc, MODE_VALUE);
        adapter.invokeVirtual(Types.PAGE_CONTEXT_IMPL, TypeScope.METHOD_LOCAL_EL);
        rtn = Types.OBJECT;
    } else {
        // all other scopes
        adapter.loadArg(0);
        rtn = TypeScope.invokeScope(adapter, scope);
    }
    if (doOnlyScope)
        return rtn;
    getFactory().registerKey(bc, member.getName(), false);
    boolean _last = !last && scope == Scope.SCOPE_UNDEFINED;
    if (!member.getSafeNavigated()) {
        adapter.invokeInterface(TypeScope.SCOPES[scope], _last ? METHOD_SCOPE_GET_COLLECTION_KEY : METHOD_SCOPE_GET_KEY);
    } else {
        // LDEV-1201
        Expression val = member.getSafeNavigatedValue();
        if (val == null)
            ASMConstants.NULL(bc.getAdapter());
        else
            val.writeOut(bc, Expression.MODE_REF);
        adapter.invokeVirtual(Types.PAGE_CONTEXT, _last ? GET_COLLECTION[THREE] : GET[THREE]);
    }
    return Types.OBJECT;
}

Example 47 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class VT method _writeOutUDF.

private static Type _writeOutUDF(BytecodeContext bc, UDF udf) throws TransformerException {
    bc.getFactory().registerKey(bc, udf.getName(), false);
    Argument[] args = udf.getArguments();
    // no arguments
    if (args.length == 0) {
        bc.getAdapter().getStatic(Types.CONSTANTS, "EMPTY_OBJECT_ARRAY", Types.OBJECT_ARRAY);
    } else
        ExpressionUtil.writeOutExpressionArray(bc, Types.OBJECT, args);
    int type;
    if (udf.getSafeNavigated()) {
        type = THREE;
        Expression val = udf.getSafeNavigatedValue();
        if (val == null) {
            ASMConstants.NULL(bc.getAdapter());
            type = THREE;
        } else {
            val.writeOut(bc, Expression.MODE_REF);
            type = THREE2;
        }
    } else
        type = TWO;
    bc.getAdapter().invokeVirtual(udf.getSafeNavigated() ? Types.PAGE_CONTEXT_IMPL : Types.PAGE_CONTEXT, udf.hasNamedArgs() ? GET_FUNCTION_WITH_NAMED_ARGS[type] : GET_FUNCTION[type]);
    return Types.OBJECT;
}

Example 48 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class VariableString method variableToStringArray.

public static String[] variableToStringArray(Variable var, boolean rawIfPossible) throws TransformerException {
    List<Member> members = var.getMembers();
    List<String> arr = new ArrayList<String>();
    if (var.getScope() != Scope.SCOPE_UNDEFINED)
        arr.add(ScopeFactory.toStringScope(var.getScope(), "undefined"));
    Iterator<Member> it = members.iterator();
    DataMember dm;
    Expression n;
    while (it.hasNext()) {
        Object o = it.next();
        if (!(o instanceof DataMember))
            throw new TransformerException("can't translate Variable to a String", var.getStart());
        dm = (DataMember) o;
        n = dm.getName();
        if (n instanceof Literal) {
            if (rawIfPossible && n instanceof Identifier) {
                arr.add(((Identifier) n).getRaw());
            } else {
                arr.add(((Literal) n).getString());
            }
        } else
            throw new TransformerException("argument name must be a constant value", var.getStart());
    }
    return arr.toArray(new String[arr.size()]);
}

Example 49 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class CFMLTransformer method transform.

/**
 * Startmethode zum transfomieren einer CFML Datei.
 * <br />
 * EBNF:<br />
 * <code>{body}</code>
 * @param config
 * @param ps CFML File
 * @param tlibs Tag Library Deskriptoren, nach denen innerhalb der CFML Datei geprueft werden soll.
 * @param flibs Function Library Deskriptoren, nach denen innerhalb der Expressions der CFML Datei geprueft werden soll.
 * @param returnValue if true the method returns the value of the last expression executed inside when you call the method "call"
 * @return uebersetztes CFXD Dokument Element.
 * @throws TemplateException
 * @throws IOException
 */
public Page transform(Factory factory, ConfigImpl config, PageSource ps, TagLib[] tlibs, FunctionLib[] flibs, boolean returnValue, boolean ignoreScopes) throws TemplateException, IOException {
    Page p;
    SourceCode sc;
    boolean writeLog = config.getExecutionLogEnabled();
    Charset charset = config.getTemplateCharset();
    boolean dotUpper = ps.getDialect() == CFMLEngine.DIALECT_CFML && ((MappingImpl) ps.getMapping()).getDotNotationUpperCase();
    // parse regular
    while (true) {
        try {
            sc = new PageSourceCode(ps, charset, writeLog);
            p = transform(factory, config, sc, tlibs, flibs, ps.getResource().lastModified(), dotUpper, returnValue, ignoreScopes);
            break;
        } catch (ProcessingDirectiveException pde) {
            if (pde.getWriteLog() != null)
                writeLog = pde.getWriteLog().booleanValue();
            if (pde.getDotNotationUpperCase() != null)
                dotUpper = pde.getDotNotationUpperCase().booleanValue();
            if (!StringUtil.isEmpty(pde.getCharset()))
                charset = pde.getCharset();
        }
    }
    // could it be a component?
    boolean isCFML = ps.getDialect() == CFMLEngine.DIALECT_CFML;
    boolean isCFMLCompExt = isCFML && Constants.isCFMLComponentExtension(ResourceUtil.getExtension(ps.getResource(), ""));
    boolean possibleUndetectedComponent = false;
    // we don't have a component or interface
    if (p.isPage()) {
        if (isCFML)
            possibleUndetectedComponent = isCFMLCompExt;
        else if (Constants.isLuceeComponentExtension(ResourceUtil.getExtension(ps.getResource(), ""))) {
            Expression expr;
            Statement stat;
            PrintOut po;
            LitString ls;
            List<Statement> statements = p.getStatements();
            // check the root statements for component
            Iterator<Statement> it = statements.iterator();
            String str;
            while (it.hasNext()) {
                stat = it.next();
                if (stat instanceof PrintOut && (expr = ((PrintOut) stat).getExpr()) instanceof LitString) {
                    ls = (LitString) expr;
                    str = ls.getString();
                    if (str.indexOf(Constants.LUCEE_COMPONENT_TAG_NAME) != -1 || str.indexOf(Constants.LUCEE_INTERFACE_TAG_NAME) != -1 || // cfml name is supported as alias
                    str.indexOf(Constants.CFML_COMPONENT_TAG_NAME) != -1) {
                        possibleUndetectedComponent = true;
                        break;
                    }
                }
            }
        }
    }
    /*if(p.isPage() && (isCFML?
				Constants.isCFMLComponentExtension(ResourceUtil.getExtension(ps.getResource(),"")):
				Constants.isLuceeComponentExtension(ResourceUtil.getExtension(ps.getResource(),""))) &&
				isPossibleRawScript(sc,config.getIdentification())){*/
    if (possibleUndetectedComponent) {
        Page _p;
        TagLibTag scriptTag = CFMLTransformer.getTLT(sc, isCFML ? Constants.CFML_SCRIPT_TAG_NAME : Constants.LUCEE_SCRIPT_TAG_NAME, config.getIdentification());
        sc.setPos(0);
        SourceCode original = sc;
        // try inside a cfscript
        String text = "<" + scriptTag.getFullName() + ">" + original.getText() + "\n</" + scriptTag.getFullName() + ">";
        sc = new PageSourceCode(ps, text, charset, writeLog);
        try {
            while (true) {
                if (sc == null) {
                    sc = new PageSourceCode(ps, charset, writeLog);
                    text = "<" + scriptTag.getFullName() + ">" + sc.getText() + "\n</" + scriptTag.getFullName() + ">";
                    sc = new PageSourceCode(ps, text, charset, writeLog);
                }
                try {
                    _p = transform(factory, config, sc, tlibs, flibs, ps.getResource().lastModified(), dotUpper, returnValue, ignoreScopes);
                    break;
                } catch (ProcessingDirectiveException pde) {
                    if (pde.getWriteLog() != null)
                        writeLog = pde.getWriteLog().booleanValue();
                    if (pde.getDotNotationUpperCase() != null)
                        dotUpper = pde.getDotNotationUpperCase().booleanValue();
                    if (!StringUtil.isEmpty(pde.getCharset()))
                        charset = pde.getCharset();
                    sc = null;
                }
            }
        } catch (ComponentTemplateException e) {
            throw e.getTemplateException();
        }
        // we only use that result if it is a component now
        if (_p != null && !_p.isPage())
            return _p;
    }
    if (isCFMLCompExt && !p.isComponent() && !p.isInterface()) {
        String msg = "template [" + ps.getDisplayPath() + "] must contain a component or an interface.";
        if (sc != null)
            throw new TemplateException(sc, msg);
        throw new TemplateException(msg);
    }
    return p;
}

Example 50 with Expression

use of lucee.transformer.expression.Expression in project Lucee by lucee.

the class CFMLTransformer method attribute.

/**
 * Liest ein einzelnes Atribut eines tag ein (nicht NONAME).
 * <br />
 * EBNF:<br />
 * <code>attribute-name  spaces "=" spaces attribute-value;</code>
 * @param tag Definition des Tag das dieses Attribut enthaelt.
 * @param args Container zum Speichern einzelner Attribute Namen zum nachtraeglichen Prufen gegen die Tag-Lib.
 * @return Element Attribute Element.
 * @throws TemplateException
 */
private static Attribute attribute(TagData data, TagLibTag tag, ArrayList<String> args, RefBoolean allowDefaultValue) throws TemplateException {
    Expression value = null;
    // Name
    StringBuffer sbType = new StringBuffer();
    RefBoolean dynamic = new RefBooleanImpl(false);
    boolean isDefaultValue = false;
    boolean[] parseExpression = new boolean[2];
    parseExpression[0] = true;
    parseExpression[1] = false;
    String name = attributeName(data.srcCode, dynamic, args, tag, sbType, parseExpression, allowDefaultValue.toBooleanValue());
    // mixed in a noname attribute
    if (StringUtil.isEmpty(name)) {
        allowDefaultValue.setValue(false);
        TagLibTagAttr attr = tag.getDefaultAttribute();
        if (attr == null)
            throw new TemplateException(data.srcCode, "Invalid Identifier.");
        name = attr.getName();
        sbType.append(attr.getType());
        isDefaultValue = true;
    }
    comment(data.srcCode, true);
    if (isDefaultValue || data.srcCode.forwardIfCurrent('=')) {
        comment(data.srcCode, true);
        // Value
        value = attributeValue(data, tag, sbType.toString(), parseExpression[0], false, data.factory.createLitString(""));
    } else // default value boolean true
    {
        TagLibTagAttr attr = tag.getAttribute(name);
        if (attr != null)
            value = attr.getUndefinedValue(data.factory);
        else
            value = tag.getAttributeUndefinedValue(data.factory);
        if (sbType.toString().length() > 0) {
            value = CastOther.toExpression(value, sbType.toString());
        }
    }
    comment(data.srcCode, true);
    return new Attribute(dynamic.toBooleanValue(), name, value, sbType.toString());
}