use context to get attribute (#4997)

Author: jacquesqiao

paddle/operators/clip_op.cc

@@ -27,8 +27,8 @@ class ClipOp : public framework::OperatorWithKernel {
     PADDLE_ENFORCE(ctx->HasOutput("Out"),
                    "Output(Out) of ClipOp should not be null.");
     auto x_dims = ctx->GetInputDim("X");
-    auto max = Attr<float>("max");
-    auto min = Attr<float>("min");
+    auto max = ctx->Attrs().Get<float>("max");
+    auto min = ctx->Attrs().Get<float>("min");
     PADDLE_ENFORCE_LT(min, max, "max should be greater than min.");
     ctx->SetOutputDim("Out", x_dims);
     ctx->ShareLoD("X", /*->*/ "Out");

paddle/operators/gaussian_random_op.cc

@@ -59,7 +59,7 @@ class GaussianRandomOp : public framework::OperatorWithKernel {
  protected:
   framework::DataType IndicateDataType(
       const framework::ExecutionContext& ctx) const override {
-    return static_cast<framework::DataType>(Attr<int>("data_type"));
+    return static_cast<framework::DataType>(ctx.Attr<int>("data_type"));
   }
 };
 

paddle/operators/uniform_random_op.cc

@@ -65,7 +65,7 @@ class UniformRandomOp : public framework::OperatorWithKernel {
  protected:
   framework::DataType IndicateDataType(
       const framework::ExecutionContext& ctx) const override {
-    return static_cast<framework::DataType>(Attr<int>("data_type"));
+    return static_cast<framework::DataType>(ctx.Attr<int>("data_type"));
   }
 };