Examples with Type org.mvel2.asm.Type used on opensource projects

Example 66 with Type

use of org.mvel2.asm.Type in project drools by kiegroup.

the class DefaultBeanClassBuilder method initializeDynamicTypeStructures.

/**
 * Initializes the trait map and dynamic property map to empty values
 * @param mv
 * @param classDef
 */
protected void initializeDynamicTypeStructures(MethodVisitor mv, ClassDefinition classDef) {
    if (classDef.isFullTraiting()) {
        mv.visitVarInsn(ALOAD, 0);
        mv.visitTypeInsn(NEW, Type.getInternalName(TraitFieldTMSImpl.class));
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(TraitFieldTMSImpl.class), "<init>", "()V");
        mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(classDef.getClassName()), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class));
        for (FactField hardField : classDef.getFields()) {
            FieldDefinition fld = (FieldDefinition) hardField;
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(classDef.getClassName()), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class));
            mv.visitLdcInsn(Type.getType(BuildUtils.getTypeDescriptor(classDef.getClassName())));
            mv.visitLdcInsn(fld.resolveAlias());
            if (BuildUtils.isPrimitive(fld.getTypeName())) {
                // mv.visitFieldInsn( GETSTATIC, BuildUtils.getInternalType( BuildUtils.box( fld.getTypeName() ) ), "TYPE", Type.getDescriptor( Class.class ) );
                mv.visitLdcInsn(Type.getType(BuildUtils.getTypeDescriptor(BuildUtils.box(fld.getTypeName()))));
            } else {
                mv.visitLdcInsn(Type.getType(BuildUtils.getTypeDescriptor(fld.getTypeName())));
            }
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(classDef.getClassName()), BuildUtils.getterName(fld.getName(), fld.getTypeName()), "()" + BuildUtils.getTypeDescriptor(fld.getTypeName()));
            if (BuildUtils.isPrimitive(fld.getTypeName())) {
                mv.visitMethodInsn(INVOKESTATIC, BuildUtils.getInternalType(BuildUtils.box(fld.getTypeName())), "valueOf", "(" + BuildUtils.getTypeDescriptor(fld.getTypeName()) + ")" + BuildUtils.getTypeDescriptor(BuildUtils.box(fld.getTypeName())));
            }
            if (fld.getInitExpr() != null) {
                mv.visitLdcInsn(fld.getInitExpr());
            } else {
                mv.visitInsn(ACONST_NULL);
            }
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(TraitFieldTMS.class), "registerField", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(Class.class), Type.getType(String.class), Type.getType(Class.class), Type.getType(Object.class), Type.getType(String.class) }));
        }
    }
}

Example 67 with Type

use of org.mvel2.asm.Type in project drools by kiegroup.

the class DefaultBeanClassBuilder method buildDynamicPropertyMap.

/**
 * A traitable class is a special class with support for dynamic properties and types.
 *
 * This method builds the property map, containing the key/values pairs to implement
 * any property defined in a trait interface but not supported by the traited class
 * fields.
 *
 * @param cw
 * @param def
 */
protected void buildDynamicPropertyMap(ClassWriter cw, ClassDefinition def) {
    FieldVisitor fv = cw.visitField(Opcodes.ACC_PRIVATE, TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class), "Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;", null);
    fv.visitEnd();
    MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "_getDynamicProperties", Type.getMethodDescriptor(Type.getType(Map.class), new Type[] {}), "()Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;", null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(def.getName()), TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class));
    mv.visitInsn(ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
    mv = cw.visitMethod(ACC_PUBLIC, "_setDynamicProperties", Type.getMethodDescriptor(Type.getType(void.class), new Type[] { Type.getType(Map.class) }), "(Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;)V", null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(def.getName()), TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class));
    mv.visitInsn(RETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 68 with Type

use of org.mvel2.asm.Type in project drools by kiegroup.

the class AbstractProxyClassBuilderImpl method logicalSetter.

protected void logicalSetter(MethodVisitor mv, FieldDefinition field, String masterName, ClassDefinition core) {
    String fieldType = field.getTypeName();
    int reg = 1 + BuildUtils.sizeOf(fieldType);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(masterName), "object", Type.getDescriptor(core.getDefinedClass()));
    mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitableBean.class));
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(TraitableBean.class), "_getFieldTMS", Type.getMethodDescriptor(Type.getType(TraitFieldTMS.class)), true);
    mv.visitVarInsn(ASTORE, reg);
    mv.visitVarInsn(ALOAD, reg);
    mv.visitLdcInsn(field.resolveAlias());
    if (BuildUtils.isPrimitive(fieldType)) {
        mv.visitVarInsn(BuildUtils.varType(fieldType), 1);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, BuildUtils.getInternalType(BuildUtils.box(fieldType)), "valueOf", Type.getMethodDescriptor(Type.getType(BuildUtils.getTypeDescriptor(BuildUtils.box(fieldType))), Type.getType(BuildUtils.getTypeDescriptor(fieldType))), false);
    } else {
        mv.visitVarInsn(ALOAD, 1);
    }
    if (BuildUtils.isPrimitive(fieldType)) {
        // mv.visitFieldInsn( GETSTATIC, BuildUtils.getInternalType( BuildUtils.box( fieldType ) ), "TYPE", Type.getDescriptor( Class.class ) );
        mv.visitLdcInsn(Type.getType(BuildUtils.getTypeDescriptor(BuildUtils.box(field.getTypeName()))));
    } else {
        mv.visitLdcInsn(Type.getType(Type.getDescriptor(field.getType())));
    }
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(TraitFieldTMS.class), "set", Type.getMethodDescriptor(Type.getType(Object.class), Type.getType(String.class), Type.getType(Object.class), Type.getType(Class.class)), true);
    mv.visitVarInsn(ASTORE, 1);
    mv.visitVarInsn(ALOAD, 1);
    if (BuildUtils.isPrimitive(fieldType)) {
        Label l0 = new Label();
        mv.visitJumpInsn(IFNULL, l0);
        mv.visitVarInsn(ALOAD, 1);
        Label l1 = new Label();
        mv.visitJumpInsn(GOTO, l1);
        mv.visitLabel(l0);
        mv.visitInsn(BuildUtils.zero(fieldType));
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, BuildUtils.getInternalType(BuildUtils.box(fieldType)), "valueOf", Type.getMethodDescriptor(Type.getType(BuildUtils.getTypeDescriptor(BuildUtils.box(fieldType))), Type.getType(BuildUtils.getTypeDescriptor(fieldType))), false);
        mv.visitLabel(l1);
        mv.visitTypeInsn(CHECKCAST, BuildUtils.getInternalType(BuildUtils.box(fieldType)));
        mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(BuildUtils.box(fieldType)), BuildUtils.numericMorph(BuildUtils.box(fieldType)), Type.getMethodDescriptor(Type.getType(field.getType())), false);
        mv.visitVarInsn(BuildUtils.storeType(fieldType), 1);
    }
}

Example 69 with Type

use of org.mvel2.asm.Type in project drools by kiegroup.

the class AbstractProxyClassBuilderImpl method buildLogicalGetter.

protected void buildLogicalGetter(ClassVisitor cw, FieldDefinition field, String proxy, ClassDefinition core) {
    String fieldName = field.getName();
    String fieldType = field.getTypeName();
    String getter = BuildUtils.getterName(fieldName, fieldType);
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, getter, "()" + BuildUtils.getTypeDescriptor(fieldType), null, null);
    mv.visitCode();
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(proxy), "object", Type.getDescriptor(core.getDefinedClass()));
    mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitableBean.class));
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(TraitableBean.class), "_getFieldTMS", Type.getMethodDescriptor(Type.getType(TraitFieldTMS.class)), true);
    mv.visitLdcInsn(field.resolveAlias());
    if (BuildUtils.isPrimitive(fieldType)) {
        // mv.visitFieldInsn( GETSTATIC, BuildUtils.getInternalType( BuildUtils.box( fieldType ) ), "TYPE", Type.getDescriptor( Class.class ) );
        mv.visitLdcInsn(Type.getType(BuildUtils.getTypeDescriptor(BuildUtils.box(field.getTypeName()))));
    } else {
        mv.visitLdcInsn(Type.getType(Type.getDescriptor(field.getType())));
    }
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(TraitFieldTMS.class), "get", Type.getMethodDescriptor(Type.getType(Object.class), Type.getType(String.class), Type.getType(Class.class)), true);
    mv.visitVarInsn(ASTORE, 1);
    mv.visitVarInsn(ALOAD, 1);
    if (BuildUtils.isPrimitive(fieldType)) {
        Label l0 = new Label();
        mv.visitJumpInsn(IFNULL, l0);
        mv.visitVarInsn(ALOAD, 1);
        Label l1 = new Label();
        mv.visitJumpInsn(GOTO, l1);
        mv.visitLabel(l0);
        mv.visitInsn(BuildUtils.zero(fieldType));
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, BuildUtils.getInternalType(BuildUtils.box(fieldType)), "valueOf", Type.getMethodDescriptor(Type.getType(BuildUtils.getTypeDescriptor(BuildUtils.box(fieldType))), Type.getType(BuildUtils.getTypeDescriptor(fieldType))), false);
        mv.visitLabel(l1);
        mv.visitTypeInsn(CHECKCAST, BuildUtils.getInternalType(BuildUtils.box(fieldType)));
        mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(BuildUtils.box(fieldType)), BuildUtils.numericMorph(BuildUtils.box(fieldType)), Type.getMethodDescriptor(Type.getType(field.getType())), false);
        mv.visitInsn(BuildUtils.returnType(fieldType));
    } else {
        mv.visitTypeInsn(CHECKCAST, BuildUtils.getInternalType(fieldType));
        mv.visitInsn(ARETURN);
    }
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 70 with Type

use of org.mvel2.asm.Type in project drools by kiegroup.

the class JavaFunctionBuilder method build.

/* (non-Javadoc)
     * @see org.kie.rule.builder.dialect.java.JavaFunctionBuilder#build(org.kie.rule.Package, org.kie.lang.descr.FunctionDescr, org.codehaus.jfdi.interpreter.TypeResolver, java.util.Map)
     */
public String build(final InternalKnowledgePackage pkg, final FunctionDescr functionDescr, final TypeResolver typeResolver, final Map<String, LineMappings> lineMappings, final List<KnowledgeBuilderResult> errors) {
    final Map<String, Object> vars = new HashMap<String, Object>();
    vars.put("package", pkg.getName());
    vars.put("imports", pkg.getImports().keySet());
    final List<String> staticImports = new LinkedList<String>();
    for (String staticImport : pkg.getStaticImports()) {
        if (!staticImport.endsWith(functionDescr.getName())) {
            staticImports.add(staticImport);
        }
    }
    vars.put("staticImports", staticImports);
    vars.put("className", StringUtils.ucFirst(functionDescr.getName()));
    vars.put("methodName", functionDescr.getName());
    vars.put("returnType", functionDescr.getReturnType());
    vars.put("parameterTypes", functionDescr.getParameterTypes());
    vars.put("parameterNames", functionDescr.getParameterNames());
    vars.put("hashCode", functionDescr.getText().hashCode());
    // Check that all the parameters are resolvable
    final List<String> names = functionDescr.getParameterNames();
    final List<String> types = functionDescr.getParameterTypes();
    for (int i = 0, size = names.size(); i < size; i++) {
        try {
            typeResolver.resolveType(types.get(i));
        } catch (final ClassNotFoundException e) {
            errors.add(new FunctionError(functionDescr, e, "Unable to resolve type " + types.get(i) + " while building function."));
            break;
        }
    }
    vars.put("text", functionDescr.getText());
    final String text = String.valueOf(TemplateRuntime.eval(template, null, new MapVariableResolverFactory(vars)));
    final BufferedReader reader = new BufferedReader(new StringReader(text));
    final String lineStartsWith = "    public static " + functionDescr.getReturnType() + " " + functionDescr.getName();
    try {
        String line;
        int offset = 0;
        while ((line = reader.readLine()) != null) {
            offset++;
            if (line.startsWith(lineStartsWith)) {
                break;
            }
        }
        functionDescr.setOffset(offset);
    } catch (final IOException e) {
        // won't ever happen, it's just reading over a string.
        throw new RuntimeException("Error determining start offset with function");
    }
    final String name = pkg.getName() + "." + StringUtils.ucFirst(functionDescr.getName());
    final LineMappings mapping = new LineMappings(name);
    mapping.setStartLine(functionDescr.getLine());
    mapping.setOffset(functionDescr.getOffset());
    lineMappings.put(name, mapping);
    return text;
}