/
interface.go
83 lines (75 loc) · 2.08 KB
/
interface.go
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// Copyright 2021 gotomicro
//
// Licensed 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 ast
import (
"fmt"
"go/ast"
"github.com/gotomicro/egen/internal/model"
)
func getType(value ast.Expr) string {
typeName := ""
switch x := value.(type) {
case *ast.ArrayType:
eType := ""
switch xc := x.Elt.(type) {
case *ast.Ident:
eType = xc.Name
case *ast.StarExpr:
switch xcc := xc.X.(type) {
case *ast.Ident:
eType = "*" + xcc.Name
case *ast.SelectorExpr:
eType = fmt.Sprintf("*%v.%v", xcc.X, xcc.Sel.Name)
}
case *ast.SelectorExpr:
eType = fmt.Sprintf("%v.%v", xc.X, xc.Sel.Name)
}
if x.Len == nil {
typeName = fmt.Sprintf("[]%v", eType)
} else {
t, ok := x.Len.(*ast.BasicLit)
if ok {
typeName = fmt.Sprintf("[%v]%v", t.Value, eType)
}
}
case *ast.Ident:
typeName = x.Name
case *ast.SelectorExpr:
typeName = fmt.Sprintf("%v.%v", x.X, x.Sel.Name)
}
return typeName
}
func getParam(node *ast.FuncType) []model.Parameter {
var methods = make([]model.Parameter, 0, len(node.Params.List))
for _, value := range node.Params.List {
var method = model.Parameter{
GoName: value.Names[0].String(),
GoType: getType(value.Type),
Exist: false,
HasLen: false,
}
methods = append(methods, method)
}
if methods[0].GoType != "context.Context" {
panic("自定义方法的首个参数必须要context.Context 类型")
}
return methods
}
func getResult(node *ast.FuncType) []string {
var method = make([]string, 0, len(node.Params.List))
for _, value := range node.Results.List {
method = append(method, getType(value.Type))
}
return method
}