Package org.mvel2.asm

Examples of org.mvel2.asm.Type

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            mv.visitLdcInsn(msg);
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
        }

        protected final void printRegistryValue(int reg) {
            Type type = storedTypes.get(reg);
            if (type == null) {
                printRegistryValue(reg, Object.class);
                return;
            }

            String typeName = type.getClassName();
            if (typeName.equals("int"))
                printRegistryValue(reg, int.class);
            else if (typeName.equals("boolean"))
                printRegistryValue(reg, boolean.class);
            else if (typeName.equals("char"))
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            mv.visitVarInsn(Type.getType(clazz).getOpcode(ILOAD), reg);
            invokeVirtual(PrintStream.class, "print", null, clazz);
        }

        protected final void printLastRegistry(Class<?> clazz) {
            Type t = Type.getType(clazz);
            mv.visitVarInsn(t.getOpcode(ISTORE), 100);
            mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
            mv.visitVarInsn(t.getOpcode(ILOAD), 100);
            invokeVirtual(PrintStream.class, "print", null, clazz);
        }
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        Content content = null;
        if ( taskData.getDocumentAccessType() == AccessType.Inline ) {
            content = em.find( Content.class,
                               taskData.getDocumentContentId() );
        }
        ExpressionCompiler compiler = new ExpressionCompiler( new String( content.getContent() ) );
        Serializable expr = compiler.compile();
        Object object = MVEL.executeExpression( expr );
       
        Map<String, Object> vars = new HashMap<String, Object>();
        vars.put( docVar, object );
        // for now will have to assume the recipient is a User, we need to figure out if Groups have an alias
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                                 final Object invokerLookup,
                                 final BaseDescr descrLookup) {
        TemplateRegistry registry = getRuleTemplateRegistry();

        context.getMethods().add(
                TemplateRuntime.execute(registry.getNamedTemplate(ruleTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        registry = getInvokerTemplateRegistry();
        final String invokerClassName = context.getPkg().getName() + "." + context.getProcessDescr().getClassName() + StringUtils.ucFirst(className) + "Invoker";

        context.getInvokers().put(invokerClassName,
                TemplateRuntime.execute(registry.getNamedTemplate(invokerTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        context.getInvokerLookups().put(invokerClassName,
                invokerLookup);
        context.getDescrLookups().put(invokerClassName,
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                                 final ProcessBuildContext context,
                                 final String className,
                                 final Map vars,
                                 final Object invokerLookup,
                                 final BaseDescr descrLookup) {
        TemplateRegistry registry = getRuleTemplateRegistry();

        context.getMethods().add(
                TemplateRuntime.execute(registry.getNamedTemplate(ruleTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        registry = getInvokerTemplateRegistry();
        final String invokerClassName = context.getPkg().getName() + "." + context.getProcessDescr().getClassName() + StringUtils.ucFirst(className) + "Invoker";

        context.getInvokers().put(invokerClassName,
                TemplateRuntime.execute(registry.getNamedTemplate(invokerTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        context.getInvokerLookups().put(invokerClassName,
                invokerLookup);
        context.getDescrLookups().put(invokerClassName,
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        }
        return "Type.getType(\"" + desc + "\")";
    }

    static String getMethod(final String name, final String desc) {
        Type rt = Type.getReturnType(desc);
        Type[] argt = Type.getArgumentTypes(desc);
        StringBuffer buf = new StringBuffer();
        buf.append("Method.getMethod(\"");
        buf.append(rt.getClassName()).append(' ');
        buf.append(name).append('(');
        for (int i = 0; i < argt.length; ++i) {
            if (i > 0) {
                buf.append(',');
            }
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    private MethodNode mn;

    @Override
    protected void setUp() {
        Type c = Type.getType("LC;");
        Type d = Type.getType("Ljava/lang/Number;");
        a = new Analyzer<BasicValue>(new SimpleVerifier(c, d, false));
        mn = new MethodNode(ACC_PUBLIC, "m", "()V", null, null);
    }
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        final String signature,
        final Object value)
    {
        FieldVisitor fv = super.visitField(access, name, desc, signature, value);
        if ((access & ACC_STATIC) == 0) {
            Type t = Type.getType(desc);
            int size = t.getSize();

            // generates getter method
            String gDesc = "()" + desc;
            MethodVisitor gv = cv.visitMethod(ACC_PRIVATE,
                    "_get" + name,
                    gDesc,
                    null,
                    null);
            gv.visitFieldInsn(GETSTATIC,
                    "java/lang/System",
                    "err",
                    "Ljava/io/PrintStream;");
            gv.visitLdcInsn("_get" + name + " called");
            gv.visitMethodInsn(INVOKEVIRTUAL,
                    "java/io/PrintStream",
                    "println",
                    "(Ljava/lang/String;)V");
            gv.visitVarInsn(ALOAD, 0);
            gv.visitFieldInsn(GETFIELD, owner, name, desc);
            gv.visitInsn(t.getOpcode(IRETURN));
            gv.visitMaxs(1 + size, 1);
            gv.visitEnd();

            // generates setter method
            String sDesc = "(" + desc + ")V";
            MethodVisitor sv = cv.visitMethod(ACC_PRIVATE,
                    "_set" + name,
                    sDesc,
                    null,
                    null);
            sv.visitFieldInsn(GETSTATIC,
                    "java/lang/System",
                    "err",
                    "Ljava/io/PrintStream;");
            sv.visitLdcInsn("_set" + name + " called");
            sv.visitMethodInsn(INVOKEVIRTUAL,
                    "java/io/PrintStream",
                    "println",
                    "(Ljava/lang/String;)V");
            sv.visitVarInsn(ALOAD, 0);
            sv.visitVarInsn(t.getOpcode(ILOAD), 1);
            sv.visitFieldInsn(PUTFIELD, owner, name, desc);
            sv.visitInsn(RETURN);
            sv.visitMaxs(1 + size, 1 + size);
            sv.visitEnd();
        }
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            double val = ((Double) cst).doubleValue();
            return newDouble(val);
        } else if (cst instanceof String) {
            return newString((String) cst);
        } else if (cst instanceof Type) {
            Type t = (Type) cst;
            int s = t.getSort();
            if (s == Type.OBJECT) {
                return newClass(t.getInternalName());
            } else if (s == Type.ARRAY) {
                return newClass(t.getDescriptor());
            } else if (s == Type.METHOD) {
                return newMethodType(t.getDescriptor());
            } else {
                throw new IllegalArgumentException("value " + cst);
            }
        } else if (cst instanceof Handle) {
            Handle h = (Handle) cst;
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    }

    public String fix(final String desc) {
        if (desc.startsWith("(")) {
            Type[] arguments = Type.getArgumentTypes(desc);
            Type result = Type.getReturnType(desc);
            for (int i = 0; i < arguments.length; ++i) {
                arguments[i] = fix(arguments[i]);
            }
            result = fix(result);
            return Type.getMethodDescriptor(result, arguments);
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Related Classes of org.mvel2.asm.Type

  • loop.AsmMvelPerformanceBenchmark
  • org.drools.adventures.GameEngine
  • org.drools.base.ClassFieldAccessorFactory
  • org.drools.base.extractors.MVELObjectClassFieldReader
  • org.drools.base.ModifyInterceptor
  • org.drools.base.mvel.DroolsMVELFactory
  • org.drools.base.mvel.DroolsProcessMVELFactory
  • org.drools.base.mvel.MVELAccumulator
  • org.drools.base.mvel.MVELAction
  • org.drools.base.mvel.MVELCompilationUnit
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