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feat: added the ability to generate a path based on the second Functi…
…onId argument
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,204 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "go/ast" | ||
| "go/token" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/ydb-platform/ydb-go-sdk/v3/internal/cmd/gstack/utils" | ||
| ) | ||
|
|
||
| func processFile(src []byte, path string, fset *token.FileSet, file *ast.File, info os.FileInfo) error { | ||
| formatted, err := format(src, path, fset, file) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if !bytes.Equal(src, formatted) { | ||
| err = utils.WriteFile(path, formatted, info.Mode().Perm()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
|
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| func format(src []byte, path string, fset *token.FileSet, file *ast.File) ([]byte, error) { | ||
| var listOfArgs []utils.FunctionIDArg | ||
| for _, f := range file.Decls { | ||
| var listOfCalls []*ast.CallExpr | ||
| fn, ok := f.(*ast.FuncDecl) | ||
| if !ok { | ||
| continue | ||
| } | ||
| listOfCalls = getListOfCallExpressionsFromBlockStmt(fn.Body) | ||
| for _, call := range listOfCalls { | ||
| if function, ok := call.Fun.(*ast.SelectorExpr); ok && function.Sel.Name == "FunctionID" { | ||
| pack, ok := function.X.(*ast.Ident) | ||
| if !ok { | ||
| continue | ||
| } | ||
| if pack.Name == "stack" { | ||
| if len(call.Args) == 1 { | ||
| listOfArgs = append(listOfArgs, utils.FunctionIDArg{ | ||
| FuncDecl: fn, | ||
| ArgPos: call.Args[0].Pos(), | ||
| ArgEnd: call.Args[0].End(), | ||
| }) | ||
| } else if len(call.Args) > 1 { | ||
| packagePath := parseFunctionIDArgs(call.Args[1:]) | ||
| listOfArgs = append(listOfArgs, utils.FunctionIDArg{ | ||
| FuncDecl: fn, | ||
| ArgPos: call.Args[0].Pos(), | ||
| ArgEnd: call.Args[0].End(), | ||
| StackCallPath: packagePath, | ||
| }) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| if len(listOfArgs) != 0 { | ||
| fixed, err := utils.FixSource(fset, path, src, listOfArgs) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return fixed, nil | ||
| } | ||
|
|
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| return src, nil | ||
| } | ||
|
|
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| func parseFunctionIDArgs(args []ast.Expr) string { | ||
| for _, argExpr := range args { | ||
| if arg, ok := argExpr.(*ast.CallExpr); ok { | ||
| packagePath := getPackagePathFromCallExpr(arg) | ||
| if packagePath != "" { | ||
| return packagePath | ||
| } | ||
| } | ||
| } | ||
| return "" | ||
| } | ||
|
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||
| func getPackagePathFromCallExpr(call *ast.CallExpr) string { | ||
| if function, ok := call.Fun.(*ast.SelectorExpr); ok { | ||
| if pack, ok := function.X.(*ast.Ident); ok && pack.Name == "stack" && function.Sel.Name == "Package" { | ||
| if len(call.Args) == 1 { | ||
| if packagePath, ok := call.Args[0].(*ast.BasicLit); ok && packagePath.Kind == token.STRING { | ||
| return strings.Trim(packagePath.Value, "\"") | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return "" | ||
| } | ||
|
|
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| func getCallExpressionsFromExpr(expr ast.Expr) (listOfCalls []*ast.CallExpr) { | ||
| switch expr := expr.(type) { | ||
| case *ast.SelectorExpr: | ||
| listOfCalls = getCallExpressionsFromExpr(expr.X) | ||
| case *ast.IndexExpr: | ||
| listOfCalls = getCallExpressionsFromExpr(expr.X) | ||
| case *ast.StarExpr: | ||
| listOfCalls = getCallExpressionsFromExpr(expr.X) | ||
| case *ast.BinaryExpr: | ||
| listOfCalls = getCallExpressionsFromExpr(expr.X) | ||
| listOfCalls = append(listOfCalls, getCallExpressionsFromExpr(expr.Y)...) | ||
| case *ast.CallExpr: | ||
| listOfCalls = append(listOfCalls, expr) | ||
| listOfCalls = append(listOfCalls, getCallExpressionsFromExpr(expr.Fun)...) | ||
| for _, arg := range expr.Args { | ||
| listOfCalls = append(listOfCalls, getCallExpressionsFromExpr(arg)...) | ||
| } | ||
| case *ast.CompositeLit: | ||
| for _, elt := range expr.Elts { | ||
| listOfCalls = append(listOfCalls, getCallExpressionsFromExpr(elt)...) | ||
| } | ||
| case *ast.UnaryExpr: | ||
| listOfCalls = append(listOfCalls, getCallExpressionsFromExpr(expr.X)...) | ||
| case *ast.KeyValueExpr: | ||
| listOfCalls = append(listOfCalls, getCallExpressionsFromExpr(expr.Value)...) | ||
| case *ast.FuncLit: | ||
| listOfCalls = append(listOfCalls, getListOfCallExpressionsFromBlockStmt(expr.Body)...) | ||
| } | ||
|
|
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| return listOfCalls | ||
| } | ||
|
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| func getExprFromDeclStmt(statement *ast.DeclStmt) (listOfExpressions []ast.Expr) { | ||
| decl, ok := statement.Decl.(*ast.GenDecl) | ||
| if !ok { | ||
| return listOfExpressions | ||
| } | ||
| for _, spec := range decl.Specs { | ||
| if spec, ok := spec.(*ast.ValueSpec); ok { | ||
| listOfExpressions = append(listOfExpressions, spec.Values...) | ||
| } | ||
| } | ||
|
|
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| return listOfExpressions | ||
| } | ||
|
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| func getCallExpressionsFromStmt(statement ast.Stmt) (listOfCallExpressions []*ast.CallExpr) { | ||
| var body *ast.BlockStmt | ||
| switch stmt := statement.(type) { | ||
| case *ast.IfStmt: | ||
| body = stmt.Body | ||
| case *ast.SwitchStmt: | ||
| body = stmt.Body | ||
| case *ast.TypeSwitchStmt: | ||
| body = stmt.Body | ||
| case *ast.SelectStmt: | ||
| body = stmt.Body | ||
| case *ast.ForStmt: | ||
| body = stmt.Body | ||
| case *ast.GoStmt: | ||
| if fun, ok := stmt.Call.Fun.(*ast.FuncLit); ok { | ||
| listOfCallExpressions = append(listOfCallExpressions, getListOfCallExpressionsFromBlockStmt(fun.Body)...) | ||
| } else { | ||
| listOfCallExpressions = append(listOfCallExpressions, stmt.Call) | ||
| } | ||
| case *ast.RangeStmt: | ||
| body = stmt.Body | ||
| case *ast.DeclStmt: | ||
| for _, expr := range getExprFromDeclStmt(stmt) { | ||
| listOfCallExpressions = append(listOfCallExpressions, getCallExpressionsFromExpr(expr)...) | ||
| } | ||
| case *ast.CommClause: | ||
| stmts := stmt.Body | ||
| for _, stmt := range stmts { | ||
| listOfCallExpressions = append(listOfCallExpressions, getCallExpressionsFromStmt(stmt)...) | ||
| } | ||
| case *ast.ExprStmt: | ||
| listOfCallExpressions = append(listOfCallExpressions, getCallExpressionsFromExpr(stmt.X)...) | ||
| case *ast.AssignStmt: | ||
| for _, rh := range stmt.Rhs { | ||
| listOfCallExpressions = append(listOfCallExpressions, getCallExpressionsFromExpr(rh)...) | ||
| } | ||
| case *ast.ReturnStmt: | ||
| for _, result := range stmt.Results { | ||
| listOfCallExpressions = append(listOfCallExpressions, getCallExpressionsFromExpr(result)...) | ||
| } | ||
| } | ||
| if body != nil { | ||
| listOfCallExpressions = append( | ||
| listOfCallExpressions, | ||
| getListOfCallExpressionsFromBlockStmt(body)..., | ||
| ) | ||
| } | ||
|
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| return listOfCallExpressions | ||
| } | ||
|
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| func getListOfCallExpressionsFromBlockStmt(block *ast.BlockStmt) (listOfCallExpressions []*ast.CallExpr) { | ||
| for _, statement := range block.List { | ||
| listOfCallExpressions = append(listOfCallExpressions, getCallExpressionsFromStmt(statement)...) | ||
| } | ||
|
|
||
| return listOfCallExpressions | ||
| } | ||
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