Examples with CompileException org.mvel2.CompileException used on opensource projects

Example 6 with CompileException

use of org.mvel2.CompileException in project mvel by mikebrock.

the class ASMAccessorOptimizer method optimizeObjectCreation.

public Accessor optimizeObjectCreation(ParserContext pCtx, char[] property, int start, int offset, Object ctx, Object thisRef, VariableResolverFactory factory) {
    _initJIT();
    compiledInputs = new ArrayList<ExecutableStatement>();
    this.start = cursor = start;
    this.end = start + offset;
    this.length = this.end - this.start;
    this.ctx = ctx;
    this.thisRef = thisRef;
    this.variableFactory = factory;
    this.pCtx = pCtx;
    String[] cnsRes = captureContructorAndResidual(property, start, offset);
    List<char[]> constructorParms = parseMethodOrConstructor(cnsRes[0].toCharArray());
    try {
        if (constructorParms != null) {
            for (char[] constructorParm : constructorParms) {
                compiledInputs.add((ExecutableStatement) subCompileExpression(constructorParm, pCtx));
            }
            Class cls = findClass(factory, new String(subset(property, 0, findFirst('(', start, length, property))), pCtx);
            assert debug("NEW " + getInternalName(cls));
            mv.visitTypeInsn(NEW, getInternalName(cls));
            assert debug("DUP");
            mv.visitInsn(DUP);
            Object[] parms = new Object[constructorParms.size()];
            int i = 0;
            for (ExecutableStatement es : compiledInputs) {
                parms[i++] = es.getValue(ctx, factory);
            }
            Constructor cns = getBestConstructorCandidate(parms, cls, pCtx.isStrongTyping());
            if (cns == null) {
                StringBuilder error = new StringBuilder();
                for (int x = 0; x < parms.length; x++) {
                    error.append(parms[x].getClass().getName());
                    if (x + 1 < parms.length)
                        error.append(", ");
                }
                throw new CompileException("unable to find constructor: " + cls.getName() + "(" + error.toString() + ")", expr, st);
            }
            this.returnType = cns.getDeclaringClass();
            Class tg;
            for (i = 0; i < constructorParms.size(); i++) {
                assert debug("ALOAD 0");
                mv.visitVarInsn(ALOAD, 0);
                assert debug("GETFIELD p" + i);
                mv.visitFieldInsn(GETFIELD, className, "p" + i, "L" + NAMESPACE + "compiler/ExecutableStatement;");
                assert debug("ALOAD 2");
                mv.visitVarInsn(ALOAD, 2);
                assert debug("ALOAD 3");
                mv.visitVarInsn(ALOAD, 3);
                assert debug("INVOKEINTERFACE " + NAMESPACE + "compiler/ExecutableStatement.getValue");
                mv.visitMethodInsn(INVOKEINTERFACE, "" + NAMESPACE + "compiler/ExecutableStatement", "getValue", "(Ljava/lang/Object;L" + NAMESPACE + "integration/VariableResolverFactory;)Ljava/lang/Object;");
                tg = cns.getParameterTypes()[i].isPrimitive() ? getWrapperClass(cns.getParameterTypes()[i]) : cns.getParameterTypes()[i];
                if (parms[i] != null && !parms[i].getClass().isAssignableFrom(cns.getParameterTypes()[i])) {
                    ldcClassConstant(tg);
                    assert debug("INVOKESTATIC " + NAMESPACE + "DataConversion.convert");
                    mv.visitMethodInsn(INVOKESTATIC, "" + NAMESPACE + "DataConversion", "convert", "(Ljava/lang/Object;Ljava/lang/Class;)Ljava/lang/Object;");
                    if (cns.getParameterTypes()[i].isPrimitive()) {
                        unwrapPrimitive(cns.getParameterTypes()[i]);
                    } else {
                        assert debug("CHECKCAST " + getInternalName(tg));
                        mv.visitTypeInsn(CHECKCAST, getInternalName(tg));
                    }
                } else {
                    assert debug("CHECKCAST " + getInternalName(cns.getParameterTypes()[i]));
                    mv.visitTypeInsn(CHECKCAST, getInternalName(cns.getParameterTypes()[i]));
                }
            }
            assert debug("INVOKESPECIAL " + getInternalName(cls) + ".<init> : " + getConstructorDescriptor(cns));
            mv.visitMethodInsn(INVOKESPECIAL, getInternalName(cls), "<init>", getConstructorDescriptor(cns));
            _finishJIT();
            Accessor acc = _initializeAccessor();
            if (cnsRes.length > 1 && cnsRes[1] != null && !cnsRes[1].trim().equals("")) {
                return new Union(acc, cnsRes[1].toCharArray(), 0, cnsRes[1].length());
            }
            return acc;
        } else {
            Class cls = findClass(factory, new String(property), pCtx);
            assert debug("NEW " + getInternalName(cls));
            mv.visitTypeInsn(NEW, getInternalName(cls));
            assert debug("DUP");
            mv.visitInsn(DUP);
            Constructor cns = cls.getConstructor(EMPTYCLS);
            assert debug("INVOKESPECIAL <init>");
            mv.visitMethodInsn(INVOKESPECIAL, getInternalName(cls), "<init>", getConstructorDescriptor(cns));
            _finishJIT();
            Accessor acc = _initializeAccessor();
            if (cnsRes.length > 1 && cnsRes[1] != null && !cnsRes[1].trim().equals("")) {
                return new Union(acc, cnsRes[1].toCharArray(), 0, cnsRes[1].length());
            }
            return acc;
        }
    } catch (ClassNotFoundException e) {
        throw new CompileException("class or class reference not found: " + new String(property), property, st);
    } catch (Exception e) {
        throw new OptimizationFailure("could not optimize construtor: " + new String(property), e);
    }
}

Example 7 with CompileException

use of org.mvel2.CompileException in project mvel by mikebrock.

the class ReflectiveAccessorOptimizer method getCollectionProperty.

/**
   * Handle accessing a property embedded in a collections, map, or array
   *
   * @param ctx  -
   * @param prop -
   * @return -
   * @throws Exception -
   */
private Object getCollectionProperty(Object ctx, String prop) throws Exception {
    if (prop.length() > 0) {
        ctx = getBeanProperty(ctx, prop);
    }
    if (ctx == null)
        return null;
    int start = ++cursor;
    skipWhitespace();
    if (cursor == end)
        throw new CompileException("unterminated '['", this.expr, this.start);
    String item;
    if (scanTo(']'))
        throw new CompileException("unterminated '['", this.expr, this.start);
    item = new String(expr, start, cursor - start);
    boolean itemSubExpr = true;
    Object idx = null;
    try {
        idx = parseInt(item);
        itemSubExpr = false;
    } catch (Exception e) {
    // not a number;
    }
    ExecutableStatement itemStmt = null;
    if (itemSubExpr) {
        try {
            idx = (itemStmt = (ExecutableStatement) subCompileExpression(item.toCharArray(), pCtx)).getValue(ctx, thisRef, variableFactory);
        } catch (CompileException e) {
            e.setExpr(this.expr);
            e.setCursor(start);
            throw e;
        }
    }
    ++cursor;
    if (ctx instanceof Map) {
        if (itemSubExpr) {
            addAccessorNode(new MapAccessorNest(itemStmt, null));
        } else {
            addAccessorNode(new MapAccessor(parseInt(item)));
        }
        return ((Map) ctx).get(idx);
    } else if (ctx instanceof List) {
        if (itemSubExpr) {
            addAccessorNode(new ListAccessorNest(itemStmt, null));
        } else {
            addAccessorNode(new ListAccessor(parseInt(item)));
        }
        return ((List) ctx).get((Integer) idx);
    } else if (ctx.getClass().isArray()) {
        if (itemSubExpr) {
            addAccessorNode(new ArrayAccessorNest(itemStmt));
        } else {
            addAccessorNode(new ArrayAccessor(parseInt(item)));
        }
        return Array.get(ctx, (Integer) idx);
    } else if (ctx instanceof CharSequence) {
        if (itemSubExpr) {
            addAccessorNode(new IndexedCharSeqAccessorNest(itemStmt));
        } else {
            addAccessorNode(new IndexedCharSeqAccessor(parseInt(item)));
        }
        return ((CharSequence) ctx).charAt((Integer) idx);
    } else {
        TypeDescriptor tDescr = new TypeDescriptor(expr, this.start, length, 0);
        if (tDescr.isArray()) {
            Class cls = getClassReference((Class) ctx, tDescr, variableFactory, pCtx);
            rootNode = new StaticReferenceAccessor(cls);
            return cls;
        }
        throw new CompileException("illegal use of []: unknown type: " + ctx.getClass().getName(), this.expr, this.start);
    }
}

Example 8 with CompileException

use of org.mvel2.CompileException in project mvel by mikebrock.

the class ReflectiveAccessorOptimizer method getCollectionPropertyAO.

private Object getCollectionPropertyAO(Object ctx, String prop) throws Exception {
    if (prop.length() > 0) {
        ctx = getBeanPropertyAO(ctx, prop);
    }
    if (ctx == null)
        return null;
    int _start = ++cursor;
    skipWhitespace();
    if (cursor == end)
        throw new CompileException("unterminated '['", this.expr, this.start);
    String item;
    if (scanTo(']'))
        throw new CompileException("unterminated '['", this.expr, this.start);
    item = new String(expr, _start, cursor - _start);
    boolean itemSubExpr = true;
    Object idx = null;
    try {
        idx = parseInt(item);
        itemSubExpr = false;
    } catch (Exception e) {
    // not a number;
    }
    ExecutableStatement itemStmt = null;
    if (itemSubExpr) {
        idx = (itemStmt = (ExecutableStatement) subCompileExpression(item.toCharArray(), pCtx)).getValue(ctx, thisRef, variableFactory);
    }
    ++cursor;
    if (ctx instanceof Map) {
        if (hasPropertyHandler(Map.class)) {
            return propHandler(item, ctx, Map.class);
        } else {
            if (itemSubExpr) {
                addAccessorNode(new MapAccessorNest(itemStmt, null));
            } else {
                addAccessorNode(new MapAccessor(parseInt(item)));
            }
            return ((Map) ctx).get(idx);
        }
    } else if (ctx instanceof List) {
        if (hasPropertyHandler(List.class)) {
            return propHandler(item, ctx, List.class);
        } else {
            if (itemSubExpr) {
                addAccessorNode(new ListAccessorNest(itemStmt, null));
            } else {
                addAccessorNode(new ListAccessor(parseInt(item)));
            }
            return ((List) ctx).get((Integer) idx);
        }
    } else if (ctx.getClass().isArray()) {
        if (hasPropertyHandler(Array.class)) {
            return propHandler(item, ctx, Array.class);
        } else {
            if (itemSubExpr) {
                addAccessorNode(new ArrayAccessorNest(itemStmt));
            } else {
                addAccessorNode(new ArrayAccessor(parseInt(item)));
            }
            return Array.get(ctx, (Integer) idx);
        }
    } else if (ctx instanceof CharSequence) {
        if (hasPropertyHandler(CharSequence.class)) {
            return propHandler(item, ctx, CharSequence.class);
        } else {
            if (itemSubExpr) {
                addAccessorNode(new IndexedCharSeqAccessorNest(itemStmt));
            } else {
                addAccessorNode(new IndexedCharSeqAccessor(parseInt(item)));
            }
            return ((CharSequence) ctx).charAt((Integer) idx);
        }
    } else {
        TypeDescriptor tDescr = new TypeDescriptor(expr, this.start, end - this.start, 0);
        if (tDescr.isArray()) {
            Class cls = getClassReference((Class) ctx, tDescr, variableFactory, pCtx);
            rootNode = new StaticReferenceAccessor(cls);
            return cls;
        }
        throw new CompileException("illegal use of []: unknown type: " + ctx.getClass().getName(), this.expr, this.st);
    }
}

Example 9 with CompileException

use of org.mvel2.CompileException in project mvel by mikebrock.

the class ReflectiveAccessorOptimizer method compileConstructor.

@SuppressWarnings({ "WeakerAccess" })
public AccessorNode compileConstructor(char[] expression, Object ctx, VariableResolverFactory vars) throws InstantiationException, IllegalAccessException, InvocationTargetException, ClassNotFoundException, NoSuchMethodException {
    String[] cnsRes = captureContructorAndResidual(expression, start, length);
    List<char[]> constructorParms = parseMethodOrConstructor(cnsRes[0].toCharArray());
    if (constructorParms != null) {
        String s = new String(subset(expression, 0, ArrayTools.findFirst('(', start, length, expression)));
        Class cls = ParseTools.findClass(vars, s, pCtx);
        ExecutableStatement[] cStmts = new ExecutableStatement[constructorParms.size()];
        for (int i = 0; i < constructorParms.size(); i++) {
            cStmts[i] = (ExecutableStatement) subCompileExpression(constructorParms.get(i), pCtx);
        }
        Object[] parms = new Object[constructorParms.size()];
        for (int i = 0; i < constructorParms.size(); i++) {
            parms[i] = cStmts[i].getValue(ctx, vars);
        }
        Constructor cns = getBestConstructorCandidate(parms, cls, pCtx.isStrongTyping());
        if (cns == null) {
            StringBuilder error = new StringBuilder();
            for (int i = 0; i < parms.length; i++) {
                error.append(parms[i].getClass().getName());
                if (i + 1 < parms.length)
                    error.append(", ");
            }
            throw new CompileException("unable to find constructor: " + cls.getName() + "(" + error.toString() + ")", this.expr, this.start);
        }
        for (int i = 0; i < parms.length; i++) {
            //noinspection unchecked
            parms[i] = convert(parms[i], cns.getParameterTypes()[i]);
        }
        AccessorNode ca = new ConstructorAccessor(cns, cStmts);
        if (cnsRes.length > 1) {
            ReflectiveAccessorOptimizer compiledOptimizer = new ReflectiveAccessorOptimizer(pCtx, cnsRes[1].toCharArray(), 0, cnsRes[1].length(), cns.newInstance(parms), ctx, vars);
            compiledOptimizer.ingressType = cns.getDeclaringClass();
            compiledOptimizer.setRootNode(ca);
            compiledOptimizer.compileGetChain();
            ca = compiledOptimizer.getRootNode();
            this.val = compiledOptimizer.getResultOptPass();
        }
        return ca;
    } else {
        Constructor<?> cns = Class.forName(new String(expression), true, Thread.currentThread().getContextClassLoader()).getConstructor(EMPTYCLS);
        AccessorNode ca = new ConstructorAccessor(cns, null);
        if (cnsRes.length > 1) {
            //noinspection NullArgumentToVariableArgMethod
            ReflectiveAccessorOptimizer compiledOptimizer = new ReflectiveAccessorOptimizer(getCurrentThreadParserContext(), cnsRes[1].toCharArray(), 0, cnsRes[1].length(), cns.newInstance(null), ctx, vars);
            compiledOptimizer.setRootNode(ca);
            compiledOptimizer.compileGetChain();
            ca = compiledOptimizer.getRootNode();
            this.val = compiledOptimizer.getResultOptPass();
        }
        return ca;
    }
}

Example 10 with CompileException

use of org.mvel2.CompileException in project mvel by mikebrock.

the class ASTNode method setName.

@SuppressWarnings({ "SuspiciousMethodCalls" })
protected void setName(char[] name) {
    if (isNumber(name, start, offset)) {
        egressType = (literal = handleNumericConversion(name, start, offset)).getClass();
        if (((fields |= NUMERIC | LITERAL | IDENTIFIER) & INVERT) != 0) {
            try {
                literal = ~((Integer) literal);
            } catch (ClassCastException e) {
                throw new CompileException("bitwise (~) operator can only be applied to integers", expr, start);
            }
        }
        return;
    }
    this.literal = new String(name, start, offset);
    int end = start + offset;
    Scan: for (int i = start; i < end; i++) {
        switch(name[i]) {
            case '.':
                if (firstUnion == 0) {
                    firstUnion = i;
                }
                break;
            case '[':
            case '(':
                if (firstUnion == 0) {
                    firstUnion = i;
                }
                if (endOfName == 0) {
                    endOfName = i;
                    if (i < name.length && name[i + 1] == ']')
                        fields |= ARRAY_TYPE_LITERAL;
                    break Scan;
                }
        }
    }
    if ((fields & INLINE_COLLECTION) != 0) {
        return;
    }
    if (firstUnion > start) {
        fields |= DEEP_PROPERTY | IDENTIFIER;
    } else {
        fields |= IDENTIFIER;
    }
}