コード例 #1
0
  private Expression transformInlineConstants(Expression exp) {
    if (exp instanceof PropertyExpression) {
      PropertyExpression pe = (PropertyExpression) exp;
      if (pe.getObjectExpression() instanceof ClassExpression) {
        ClassExpression ce = (ClassExpression) pe.getObjectExpression();
        ClassNode type = ce.getType();
        if (type.isEnum()) return exp;
        Expression constant = findConstant(type.getField(pe.getPropertyAsString()));
        // GRECLIPSE edit
        // if (constant != null) return constant;
        if (constant != null) {
          String name = pe.getText().replace('$', '.');
          Object alias = pe.getNodeMetaData("static.import.alias");
          if (alias != null && !alias.equals(pe.getPropertyAsString())) {
            name += " as " + alias;
          }
          // store the qualified name to facilitate organizing static imports
          constant.setNodeMetaData("static.import", name);

          return constant;
        }
        // GRECLIPSE end
      }
    } else if (exp instanceof ListExpression) {
      ListExpression le = (ListExpression) exp;
      ListExpression result = new ListExpression();
      for (Expression e : le.getExpressions()) {
        result.addExpression(transformInlineConstants(e));
      }
      return result;
    }

    return exp;
  }
コード例 #2
0
  private Expression transformInlineConstants(Expression exp) {
    if (exp instanceof PropertyExpression) {
      PropertyExpression pe = (PropertyExpression) exp;
      if (pe.getObjectExpression() instanceof ClassExpression) {
        ClassExpression ce = (ClassExpression) pe.getObjectExpression();
        ClassNode type = ce.getType();
        if (type.isEnum()) return exp;
        Expression constant = findConstant(type.getField(pe.getPropertyAsString()));
        if (constant != null) return constant;
      }
    } else if (exp instanceof ListExpression) {
      ListExpression le = (ListExpression) exp;
      ListExpression result = new ListExpression();
      for (Expression e : le.getExpressions()) {
        result.addExpression(transformInlineConstants(e));
      }
      return result;
    }

    return exp;
  }
コード例 #3
0
  @Override
  public void makeGetPropertySite(
      Expression receiver,
      final String methodName,
      final boolean safe,
      final boolean implicitThis) {
    Object dynamic =
        receiver.getNodeMetaData(StaticCompilationMetadataKeys.RECEIVER_OF_DYNAMIC_PROPERTY);
    if (dynamic != null) {
      MethodNode target =
          safe ? INVOKERHELPER_GETPROPERTYSAFE_METHOD : INVOKERHELPER_GETPROPERTY_METHOD;
      MethodCallExpression mce =
          new MethodCallExpression(
              new ClassExpression(INVOKERHELPER_TYPE),
              target.getName(),
              new ArgumentListExpression(receiver, new ConstantExpression(methodName)));
      mce.setSafe(false);
      mce.setImplicitThis(false);
      mce.setMethodTarget(target);
      mce.visit(controller.getAcg());
      return;
    }
    TypeChooser typeChooser = controller.getTypeChooser();
    ClassNode classNode = controller.getClassNode();
    ClassNode receiverType =
        (ClassNode) receiver.getNodeMetaData(StaticCompilationMetadataKeys.PROPERTY_OWNER);
    if (receiverType == null) {
      receiverType = typeChooser.resolveType(receiver, classNode);
    }
    Object type = receiver.getNodeMetaData(StaticTypesMarker.INFERRED_TYPE);
    if (type == null && receiver instanceof VariableExpression) {
      Variable variable = ((VariableExpression) receiver).getAccessedVariable();
      if (variable instanceof Expression) {
        type = ((Expression) variable).getNodeMetaData(StaticTypesMarker.INFERRED_TYPE);
      }
    }
    if (type != null) {
      // in case a "flow type" is found, it is preferred to use it instead of
      // the declaration type
      receiverType = (ClassNode) type;
    }
    boolean isClassReceiver = false;
    if (isClassClassNodeWrappingConcreteType(receiverType)) {
      isClassReceiver = true;
      receiverType = receiverType.getGenericsTypes()[0].getType();
    }
    MethodVisitor mv = controller.getMethodVisitor();

    if (receiverType.isArray() && methodName.equals("length")) {
      receiver.visit(controller.getAcg());
      ClassNode arrayGetReturnType = typeChooser.resolveType(receiver, classNode);
      controller.getOperandStack().doGroovyCast(arrayGetReturnType);
      mv.visitInsn(ARRAYLENGTH);
      controller.getOperandStack().replace(int_TYPE);
      return;
    } else if ((receiverType.implementsInterface(COLLECTION_TYPE)
            || COLLECTION_TYPE.equals(receiverType))
        && ("size".equals(methodName) || "length".equals(methodName))) {
      MethodCallExpression expr =
          new MethodCallExpression(receiver, "size", ArgumentListExpression.EMPTY_ARGUMENTS);
      expr.setMethodTarget(COLLECTION_SIZE_METHOD);
      expr.setImplicitThis(implicitThis);
      expr.setSafe(safe);
      expr.visit(controller.getAcg());
      return;
    }
    if (makeGetPropertyWithGetter(receiver, receiverType, methodName, safe, implicitThis)) return;
    if (makeGetField(
        receiver,
        receiverType,
        methodName,
        implicitThis,
        samePackages(receiverType.getPackageName(), classNode.getPackageName()))) return;
    if (receiverType.isEnum()) {
      mv.visitFieldInsn(
          GETSTATIC,
          BytecodeHelper.getClassInternalName(receiverType),
          methodName,
          BytecodeHelper.getTypeDescription(receiverType));
      controller.getOperandStack().push(receiverType);
      return;
    }
    if (receiver instanceof ClassExpression) {
      if (makeGetField(
          receiver,
          receiver.getType(),
          methodName,
          implicitThis,
          samePackages(receiver.getType().getPackageName(), classNode.getPackageName()))) return;
      if (makeGetPropertyWithGetter(receiver, receiver.getType(), methodName, safe, implicitThis))
        return;
      if (makeGetPrivateFieldWithBridgeMethod(
          receiver, receiver.getType(), methodName, safe, implicitThis)) return;
    }
    if (isClassReceiver) {
      // we are probably looking for a property of the class
      if (makeGetPropertyWithGetter(receiver, CLASS_Type, methodName, safe, implicitThis)) return;
      if (makeGetField(receiver, CLASS_Type, methodName, false, true)) return;
    }
    if (makeGetPrivateFieldWithBridgeMethod(receiver, receiverType, methodName, safe, implicitThis))
      return;

    // GROOVY-5580, it is still possible that we're calling a superinterface property
    String getterName = "get" + MetaClassHelper.capitalize(methodName);
    if (receiverType.isInterface()) {
      Set<ClassNode> allInterfaces = receiverType.getAllInterfaces();
      MethodNode getterMethod = null;
      for (ClassNode anInterface : allInterfaces) {
        getterMethod = anInterface.getGetterMethod(getterName);
        if (getterMethod != null) break;
      }
      // GROOVY-5585
      if (getterMethod == null) {
        getterMethod = OBJECT_TYPE.getGetterMethod(getterName);
      }

      if (getterMethod != null) {
        MethodCallExpression call =
            new MethodCallExpression(receiver, getterName, ArgumentListExpression.EMPTY_ARGUMENTS);
        call.setMethodTarget(getterMethod);
        call.setImplicitThis(false);
        call.setSourcePosition(receiver);
        call.visit(controller.getAcg());
        return;
      }
    }

    // GROOVY-5568, we would be facing a DGM call, but instead of foo.getText(), have foo.text
    List<MethodNode> methods =
        findDGMMethodsByNameAndArguments(
            controller.getSourceUnit().getClassLoader(),
            receiverType,
            getterName,
            ClassNode.EMPTY_ARRAY);
    if (!methods.isEmpty()) {
      List<MethodNode> methodNodes = chooseBestMethod(receiverType, methods, ClassNode.EMPTY_ARRAY);
      if (methodNodes.size() == 1) {
        MethodNode getter = methodNodes.get(0);
        MethodCallExpression call =
            new MethodCallExpression(receiver, getterName, ArgumentListExpression.EMPTY_ARGUMENTS);
        call.setMethodTarget(getter);
        call.setImplicitThis(false);
        call.setSourcePosition(receiver);
        call.visit(controller.getAcg());
        return;
      }
    }

    boolean isStaticProperty =
        receiver instanceof ClassExpression
            && (receiverType.isDerivedFrom(receiver.getType())
                || receiverType.implementsInterface(receiver.getType()));

    if (!isStaticProperty) {
      if (receiverType.implementsInterface(MAP_TYPE) || MAP_TYPE.equals(receiverType)) {
        // for maps, replace map.foo with map.get('foo')
        writeMapDotProperty(receiver, methodName, mv, safe);
        return;
      }
      if (receiverType.implementsInterface(LIST_TYPE) || LIST_TYPE.equals(receiverType)) {
        writeListDotProperty(receiver, methodName, mv, safe);
        return;
      }
    }

    controller
        .getSourceUnit()
        .addError(
            new SyntaxException(
                "Access to "
                    + (receiver instanceof ClassExpression ? receiver.getType() : receiverType)
                        .toString(false)
                    + "#"
                    + methodName
                    + " is forbidden",
                receiver.getLineNumber(),
                receiver.getColumnNumber(),
                receiver.getLastLineNumber(),
                receiver.getLastColumnNumber()));
    controller.getMethodVisitor().visitInsn(ACONST_NULL);
    controller.getOperandStack().push(OBJECT_TYPE);
  }
コード例 #4
0
 private Expression findStaticMethodImportFromModule(Expression method, Expression args) {
   ModuleNode module = currentClass.getModule();
   if (module == null || !(method instanceof ConstantExpression)) return null;
   Map<String, ImportNode> importNodes = module.getStaticImports();
   ConstantExpression ce = (ConstantExpression) method;
   Expression expression;
   Object value = ce.getValue();
   // skip non-Strings, e.g. Integer
   if (!(value instanceof String)) return null;
   final String name = (String) value;
   // look for one of these:
   //   import static SomeClass.method [as otherName]
   // when resolving methodCall() or getProp() or setProp()
   if (importNodes.containsKey(name)) {
     ImportNode importNode = importNodes.get(name);
     expression = findStaticMethod(importNode.getType(), importNode.getFieldName(), args);
     if (expression != null) return expression;
     expression =
         findStaticPropertyAccessorGivenArgs(
             importNode.getType(), getPropNameForAccessor(importNode.getFieldName()), args);
     if (expression != null) {
       return new StaticMethodCallExpression(
           importNode.getType(), importNode.getFieldName(), args);
     }
   }
   // look for one of these:
   //   import static SomeClass.someProp [as otherName]
   // when resolving getProp() or setProp()
   if (validPropName(name)) {
     String propName = getPropNameForAccessor(name);
     if (importNodes.containsKey(propName)) {
       ImportNode importNode = importNodes.get(propName);
       expression =
           findStaticMethod(
               importNode.getType(), prefix(name) + capitalize(importNode.getFieldName()), args);
       if (expression != null) return expression;
       expression =
           findStaticPropertyAccessorGivenArgs(
               importNode.getType(), importNode.getFieldName(), args);
       if (expression != null) {
         return new StaticMethodCallExpression(
             importNode.getType(), prefix(name) + capitalize(importNode.getFieldName()), args);
       }
     }
   }
   Map<String, ImportNode> starImports = module.getStaticStarImports();
   ClassNode starImportType;
   if (currentClass.isEnum() && starImports.containsKey(currentClass.getName())) {
     ImportNode importNode = starImports.get(currentClass.getName());
     starImportType = importNode == null ? null : importNode.getType();
     expression = findStaticMethod(starImportType, name, args);
     if (expression != null) return expression;
   } else {
     for (ImportNode importNode : starImports.values()) {
       starImportType = importNode == null ? null : importNode.getType();
       expression = findStaticMethod(starImportType, name, args);
       if (expression != null) return expression;
       expression =
           findStaticPropertyAccessorGivenArgs(starImportType, getPropNameForAccessor(name), args);
       if (expression != null) {
         return new StaticMethodCallExpression(starImportType, name, args);
       }
     }
   }
   return null;
 }