feature: refactor api parse to g4 (#365)

* feature: refactor api parse to g4

* new g4 parser

* add CHANGE_LOG.MD

* refactor

* fix byte bug

* refactor

* optimized

* optimized

* revert

* update readme.md

* update readme.md

* update readme.md

* update readme.md

* remove no need

* fix java gen

* add upgrade

* resolve confilits

Co-authored-by: anqiansong <anqiansong@xiaoheiban.cn>

tools/goctl/api/ktgen/cmd.go

@@ -21,11 +21,7 @@ func KtCommand(c *cli.Context) error {
 		return errors.New("missing -pkg")
 	}
 
-	p, e := parser.NewParser(apiFile)
-	if e != nil {
-		return e
-	}
-	api, e := p.Parse()
+	api, e := parser.Parse(apiFile)
 	if e != nil {
 		return e
 	}