...

tengo.go

@@ -63,11 +63,12 @@ func (pp *Tengo) Eval(
 	const retHead = `
 		context := {}
 		pp := immutable({
-			filepath: __pp_filepath__,
+			fpath: __pp_filepath__,
 			printf : __pp_printf__,
 			print : __pp_print__,
 			println : __pp_println__,
-			write_raw : __pp_write_raw__
+			write_raw : __pp_write_raw__,
+			include: __pp_include__
 		})
 	`
 
@@ -116,6 +117,27 @@ func (pp *Tengo) Eval(
 		pp.preCompile(ctx, script)
 	}
 
+	script.Add("__pp_include__", &tengo.UserFunction{
+		Value: func(args ...tengo.Object) (tengo.Object, error){
+			if len(args) < 1 {
+				return nil, tengo.ErrWrongNumArguments
+			}
+			format, ok := tengo.ToString(args[0])
+			if !ok {
+				return nil, tengo.ErrInvalidArgumentType{
+					Expected: "string",
+				}
+			}
+			gargs := make([]any, len(args) - 1)
+			for i := range gargs {
+				gargs[i] = tengo.ToInterface(args[i+1])
+				//fmt.Printf("shit: %q\n", gargs[i])
+			}
+			fmt.Fprintf(&retBuf, format, gargs...)
+			return nil, nil
+			//return tengo.FromInterface([]byte(str))
+		},
+	})
 	script.Add("__pp_filepath__", filePath)
 	script.Add("__pp_printf__", &tengo.UserFunction{
 		Value: func(args ...tengo.Object) (tengo.Object, error){