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

Example 1 with ConstrBytecodeContext

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

the class ComponentUtil method createMethod.

private static int createMethod(ConstrBytecodeContext constr, java.util.List<LitString> keys, ClassWriter cw, String className, Object member, int max, boolean writeLog, boolean suppressWSbeforeArg, boolean output, boolean returnValue) throws PageException {
    boolean hasOptionalArgs = false;
    if (member instanceof UDF) {
        UDF udf = (UDF) member;
        FunctionArgument[] args = udf.getFunctionArguments();
        Type[] types = new Type[max < 0 ? args.length : max];
        for (int y = 0; y < types.length; y++) {
            types[y] = toType(args[y].getTypeAsString(), true);
            if (!args[y].isRequired())
                hasOptionalArgs = true;
        }
        Type rtnType = toType(udf.getReturnTypeAsString(), true);
        Method method = new Method(udf.getFunctionName(), rtnType, types);
        GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL, method, null, null, cw);
        BytecodeContext bc = new BytecodeContext(null, constr, getPage(constr), keys, cw, className, adapter, method, writeLog, suppressWSbeforeArg, output, returnValue);
        Label start = adapter.newLabel();
        adapter.visitLabel(start);
        // ComponentController.invoke(name, args);
        // name
        adapter.push(udf.getFunctionName());
        // args
        ArrayVisitor av = new ArrayVisitor();
        av.visitBegin(adapter, Types.OBJECT, types.length);
        for (int y = 0; y < types.length; y++) {
            av.visitBeginItem(adapter, y);
            adapter.loadArg(y);
            av.visitEndItem(bc.getAdapter());
        }
        av.visitEnd();
        adapter.invokeStatic(Types.COMPONENT_CONTROLLER, INVOKE);
        adapter.checkCast(rtnType);
        // ASMConstants.NULL(adapter);
        adapter.returnValue();
        Label end = adapter.newLabel();
        adapter.visitLabel(end);
        for (int y = 0; y < types.length; y++) {
            adapter.visitLocalVariable(args[y].getName().getString(), types[y].getDescriptor(), null, start, end, y + 1);
        }
        adapter.endMethod();
        if (hasOptionalArgs) {
            if (max == -1)
                max = args.length - 1;
            else
                max--;
            return max;
        }
    }
    return -1;
}

Example 2 with ConstrBytecodeContext

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

the class ComponentUtil method getComponentJavaAccess.

// private static final Method INVOKE_PROPERTY = new Method("invoke",Types.OBJECT,new Type[]{Types.STRING,Types.OBJECT_ARRAY});
/**
 * generate a ComponentJavaAccess (CJA) class from a component
 * a CJA is a dynamic genarted java class that has all method defined inside a component as java methods.
 *
 * This is used to generated server side Webservices.
 * @param component
 * @param isNew
 * @return
 * @throws PageException
 */
public static Class getComponentJavaAccess(PageContext pc, Component component, RefBoolean isNew, boolean create, boolean writeLog, boolean suppressWSbeforeArg, boolean output, boolean returnValue) throws PageException {
    isNew.setValue(false);
    String classNameOriginal = component.getPageSource().getClassName();
    String className = getClassname(component, null).concat("_wrap");
    String real = className.replace('.', '/');
    String realOriginal = classNameOriginal.replace('.', '/');
    Mapping mapping = component.getPageSource().getMapping();
    PhysicalClassLoader cl = null;
    try {
        cl = (PhysicalClassLoader) ((PageContextImpl) pc).getRPCClassLoader(false);
    } catch (IOException e) {
        throw Caster.toPageException(e);
    }
    Resource classFile = cl.getDirectory().getRealResource(real.concat(".class"));
    Resource classFileOriginal = mapping.getClassRootDirectory().getRealResource(realOriginal.concat(".class"));
    // check last Mod
    if (classFile.lastModified() >= classFileOriginal.lastModified()) {
        try {
            Class clazz = cl.loadClass(className);
            if (clazz != null && !hasChangesOfChildren(classFile.lastModified(), clazz))
                return registerTypeMapping(clazz);
        } catch (Throwable t) {
            ExceptionUtil.rethrowIfNecessary(t);
        }
    }
    if (!create)
        return null;
    isNew.setValue(true);
    // print.out("new");
    // CREATE CLASS
    ClassWriter cw = ASMUtil.getClassWriter();
    cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, real, null, "java/lang/Object", null);
    // GeneratorAdapter ga = new GeneratorAdapter(Opcodes.ACC_PUBLIC,Page.STATIC_CONSTRUCTOR,null,null,cw);
    // StaticConstrBytecodeContext statConstr = null;//new BytecodeContext(null,null,null,cw,real,ga,Page.STATIC_CONSTRUCTOR);
    // /ga = new GeneratorAdapter(Opcodes.ACC_PUBLIC,Page.CONSTRUCTOR,null,null,cw);
    // new BytecodeContext(null,null,null,cw,real,ga,Page.CONSTRUCTOR);
    ConstrBytecodeContext constr = null;
    // field component
    // FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, "c", "Llucee/runtime/ComponentImpl;", null, null);
    // fv.visitEnd();
    java.util.List<LitString> _keys = new ArrayList<LitString>();
    // remote methods
    Collection.Key[] keys = component.keys(Component.ACCESS_REMOTE);
    int max;
    for (int i = 0; i < keys.length; i++) {
        max = -1;
        while ((max = createMethod(constr, _keys, cw, real, component.get(keys[i]), max, writeLog, suppressWSbeforeArg, output, returnValue)) != -1) {
            // for overload remove this
            break;
        }
    }
    // Constructor
    GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, CONSTRUCTOR_OBJECT, null, null, cw);
    adapter.loadThis();
    adapter.invokeConstructor(Types.OBJECT, CONSTRUCTOR_OBJECT);
    lucee.transformer.bytecode.Page.registerFields(new BytecodeContext(null, constr, getPage(constr), _keys, cw, real, adapter, CONSTRUCTOR_OBJECT, writeLog, suppressWSbeforeArg, output, returnValue), _keys);
    adapter.returnValue();
    adapter.endMethod();
    cw.visitEnd();
    byte[] barr = cw.toByteArray();
    try {
        ResourceUtil.touch(classFile);
        IOUtil.copy(new ByteArrayInputStream(barr), classFile, true);
        cl = (PhysicalClassLoader) ((PageContextImpl) pc).getRPCClassLoader(true);
        return registerTypeMapping(cl.loadClass(className, barr));
    } catch (Throwable t) {
        ExceptionUtil.rethrowIfNecessary(t);
        throw Caster.toPageException(t);
    }
}

Example 3 with ConstrBytecodeContext

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

the class Function method loadUDFProperties.

public final void loadUDFProperties(BytecodeContext bc, int valueIndex, int arrayIndex, int type) {
    ConstrBytecodeContext constr = bc.getConstructor();
    // GeneratorAdapter cga = constr.getAdapter();
    GeneratorAdapter ga = bc.getAdapter();
    // store to construction method
    constr.addUDFProperty(this, arrayIndex, valueIndex, type);
    /*cga.visitVarInsn(ALOAD, 0);
		cga.visitFieldInsn(GETFIELD, bc.getClassName(), "udfs", Types.UDF_PROPERTIES_ARRAY.toString());
		cga.push(arrayIndex);
		createUDFProperties(constr,valueIndex,type);
		cga.visitInsn(AASTORE);*/
    // load in execution method
    ga.visitVarInsn(ALOAD, 0);
    ga.visitFieldInsn(GETFIELD, bc.getClassName(), "udfs", Types.UDF_PROPERTIES_ARRAY.toString());
    ga.push(arrayIndex);
    ga.visitInsn(AALOAD);
}