| // Licensed to Apache Software Foundation (ASF) under one or more contributor |
| // license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright |
| // ownership. Apache Software Foundation (ASF) licenses this file to you under |
| // the Apache License, Version 2.0 (the "License"); you may |
| // not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| package instrument |
| |
| import "github.com/dave/dst" |
| |
| // WithFieldExists filter the struct has the field with specific name. |
| func WithFieldExists(fieldName string) StructFilterOption { |
| return func(structType *dst.TypeSpec, files []*dst.File) bool { |
| st := structType.Type.(*dst.StructType) |
| for _, field := range st.Fields.List { |
| if field.Names[0].Name == fieldName { |
| return true |
| } |
| } |
| return false |
| } |
| } |
| |
| // WithFiledType filter the struct has the field with specific name and type. |
| func WithFiledType(filedName, filedType string) StructFilterOption { |
| return func(structType *dst.TypeSpec, files []*dst.File) bool { |
| st := structType.Type.(*dst.StructType) |
| for _, field := range st.Fields.List { |
| if field.Names[0].Name == filedName { |
| return verifyTypeName(field.Type, filedType) |
| } |
| } |
| return false |
| } |
| } |