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136 changes: 136 additions & 0 deletions
136
cmd/hertz_migrate/internal/logic/gin/findCtxInFieldList.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| // Copyright 2024 CloudWeGo Authors | ||
| // | ||
| // 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 gin | ||
|
|
||
| import ( | ||
| . "go/ast" | ||
|
|
||
| "github.com/hertz-contrib/migrate/cmd/hertz_migrate/internal" | ||
| "github.com/hertz-contrib/migrate/cmd/hertz_migrate/internal/utils" | ||
|
|
||
| "golang.org/x/tools/go/ast/astutil" | ||
| ) | ||
|
|
||
| func GetFuncNameHasGinCtx(c *astutil.Cursor) { | ||
| findInnerFuncName(c) | ||
| findFuncName(c) | ||
| findTypePropName(c) | ||
| findExprStmtFuncName(c) | ||
| } | ||
|
|
||
| func findTypePropName(cur *astutil.Cursor) { | ||
| var paramList []*Field | ||
| if field, ok := cur.Node().(*Field); ok { | ||
| if funcType, ok := field.Type.(*FuncType); ok { | ||
| paramList = funcType.Params.List | ||
| for _, _field := range paramList { | ||
| switch t := _field.Type.(type) { | ||
| case *StarExpr: | ||
| if selExpr, ok := t.X.(*SelectorExpr); ok { | ||
| if selExpr.Sel.Name == "Context" { | ||
| internal.WebCtxSet.Add(field.Names[0].Name) | ||
| } | ||
| } | ||
| case *SelectorExpr: | ||
| if utils.CheckSelPkgAndStruct(t, "context", "Context") { | ||
| internal.CtxSet.Add(field.Names[0].Name) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func findExprStmtFuncName(cur *astutil.Cursor) { | ||
| if exprStmt, ok := cur.Node().(*ExprStmt); ok { | ||
| if callExpr, ok := exprStmt.X.(*CallExpr); ok { | ||
| if ident, ok := callExpr.Fun.(*Ident); ok { | ||
| funcName := ident.Name | ||
| for _, arg := range callExpr.Args { | ||
| switch node := arg.(type) { | ||
| case *Ident: | ||
| if utils.CheckObjStarExpr(node.Obj, "gin", "Context") { | ||
| internal.WebCtxSet.Add(funcName) | ||
| } | ||
| case *SelectorExpr: | ||
| if utils.CheckSelPkgAndStruct(node, "gin", "Context") { | ||
| internal.CtxSet.Add(funcName) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func findInnerFuncName(cur *astutil.Cursor) { | ||
| var ( | ||
| funcName string | ||
| paramList []*Field | ||
| ) | ||
| if blockStmt, ok := cur.Node().(*BlockStmt); ok { | ||
| for _, stmt := range blockStmt.List { | ||
| if as, ok := stmt.(*AssignStmt); ok { | ||
| if len(as.Lhs) == 1 { | ||
| if ident, ok := as.Lhs[0].(*Ident); ok { | ||
| funcName = ident.Name | ||
| } | ||
| } | ||
| if len(as.Rhs) == 1 { | ||
| if funcLit, ok := as.Rhs[0].(*FuncLit); ok { | ||
| paramList = funcLit.Type.Params.List | ||
| for _, field := range paramList { | ||
| switch t := field.Type.(type) { | ||
| case *StarExpr: | ||
| if selExpr, ok := t.X.(*SelectorExpr); ok { | ||
| if utils.CheckSelPkgAndStruct(selExpr, "gin", "Context") { | ||
| internal.WebCtxSet.Add(funcName) | ||
| } | ||
| } | ||
| case *SelectorExpr: | ||
| if utils.CheckSelPkgAndStruct(t, "context", "Context") { | ||
| internal.CtxSet.Add(funcName) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func findFuncName(cur *astutil.Cursor) { | ||
| var paramList []*Field | ||
| if funcDecl, ok := cur.Node().(*FuncDecl); ok { | ||
| funcType := funcDecl.Type | ||
| paramList = funcType.Params.List | ||
|
|
||
| for _, field := range paramList { | ||
| switch t := field.Type.(type) { | ||
| case *StarExpr: | ||
| if selExpr, ok := t.X.(*SelectorExpr); ok { | ||
| if selExpr.Sel.Name == "Context" { | ||
| internal.WebCtxSet.Add(funcDecl.Name.Name) | ||
| } | ||
| } | ||
| case *SelectorExpr: | ||
| if utils.CheckSelPkgAndStruct(t, "context", "Context") { | ||
| internal.CtxSet.Add(funcDecl.Name.Name) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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