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@ -22,6 +22,7 @@ var ( |
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singleFlight = flag.Bool("singleflight", false, "enable singleflight") |
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nullCache = flag.String("nullcache", "", "null cache") |
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checkNullCode = flag.String("check_null_code", "", "check null code") |
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cacheErr = flag.String("cache_err", "continue", "cache err to contine or break") |
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batchSize = flag.Int("batch", 0, "batch size") |
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batchErr = flag.String("batch_err", "break", "batch err to contine or break") |
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maxGroup = flag.Int("max_group", 0, "max group size") |
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@ -29,15 +30,16 @@ var ( |
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paging = flag.Bool("paging", false, "use paging in single template") |
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ignores = flag.String("ignores", "", "ignore params") |
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customMethod = flag.String("custom_method", "", "自定义方法名 |分隔: 缓存|回源|增加缓存") |
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structName = flag.String("struct_name", "dao", "struct name") |
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numberTypes = []string{"int", "int8", "int16", "int32", "int64", "float32", "float64", "uint", "uint8", "uint16", "uint32", "uint64"} |
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simpleTypes = []string{"int", "int8", "int16", "int32", "int64", "float32", "float64", "uint", "uint8", "uint16", "uint32", "uint64", "bool", "string", "[]byte"} |
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optionNames = []string{"singleflight", "nullcache", "check_null_code", "batch", "max_group", "sync", "paging", "ignores", "batch_err", "custom_method"} |
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optionNames = []string{"singleflight", "nullcache", "check_null_code", "batch", "max_group", "sync", "paging", "ignores", "batch_err", "custom_method", "cache_err", "struct_name"} |
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optionNamesMap = map[string]bool{} |
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interfaceName string |
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) |
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const ( |
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_interfaceName = "_bts" |
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_multiTpl = 1 |
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_singleTpl = 2 |
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_noneTpl = 3 |
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@ -52,8 +54,10 @@ func resetFlag() { |
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*sync = false |
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*paging = false |
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*batchErr = "break" |
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*cacheErr = "continue" |
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*ignores = "" |
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*customMethod = "" |
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*structName = "dao" |
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} |
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// options options
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@ -91,6 +95,10 @@ type options struct { |
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Comment string |
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CustomMethod string |
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IDName string |
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CacheErrContinue bool |
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StructName string |
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hasDec bool |
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UseBTS bool |
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} |
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func getOptions(opt *options, comment string) { |
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@ -108,6 +116,7 @@ func getOptions(opt *options, comment string) { |
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os.Args = append(os.Args, arg) |
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} |
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} |
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opt.hasDec = true |
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} |
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resetFlag() |
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flag.Parse() |
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@ -122,13 +131,15 @@ func getOptions(opt *options, comment string) { |
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opt.GroupSize = *batchSize |
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opt.MaxGroup = *maxGroup |
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opt.CustomMethod = *customMethod |
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opt.CacheErrContinue = *cacheErr == "continue" |
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opt.StructName = *structName |
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} |
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func processList(s *pkg.Source, list *ast.Field) (opt options) { |
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fset := s.Fset |
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src := s.Src |
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lines := strings.Split(src, "\n") |
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opt = options{Args: s.GetDef(_interfaceName), importPackages: s.Packages(list)} |
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opt = options{name: list.Names[0].Name, Args: s.GetDef(interfaceName), importPackages: s.Packages(list)} |
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// get comment
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line := fset.Position(list.Pos()).Line - 3 |
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if len(lines)-1 >= line { |
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@ -140,8 +151,11 @@ func processList(s *pkg.Source, list *ast.Field) (opt options) { |
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line = fset.Position(list.Pos()).Line - 2 |
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comment := lines[line] |
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getOptions(&opt, comment) |
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if !opt.hasDec { |
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log.Printf("%s: 无声明 忽略此方法\n", opt.name) |
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return |
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} |
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// get func
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opt.name = list.Names[0].Name |
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params := list.Type.(*ast.FuncType).Params.List |
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if len(params) == 0 { |
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log.Fatalln(opt.name + "参数不足") |
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@ -304,16 +318,27 @@ func processList(s *pkg.Source, list *ast.Field) (opt options) { |
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// parse parse options
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func parse(s *pkg.Source) (opts []*options) { |
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c := s.F.Scope.Lookup(_interfaceName) |
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var c *ast.Object |
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for _, name := range []string{"_bts", "Dao"} { |
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c = s.F.Scope.Lookup(name) |
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if (c == nil) || (c.Kind != ast.Typ) { |
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c = nil |
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continue |
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} |
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interfaceName = name |
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break |
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} |
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if c == nil { |
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log.Fatalln("无法找到缓存声明") |
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} |
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lists := c.Decl.(*ast.TypeSpec).Type.(*ast.InterfaceType).Methods.List |
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for _, list := range lists { |
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opt := processList(s, list) |
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if opt.hasDec { |
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opt.Check() |
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opts = append(opts, &opt) |
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} |
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} |
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return |
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} |
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@ -339,10 +364,6 @@ func (option *options) Check() { |
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if option.SimpleValue && option.NullCache == option.ZeroValue { |
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log.Fatalf("%s: %s 不能作为空缓存值 \n", option.name, option.NullCache) |
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} |
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if strings.Contains(option.NullCache, "{}") { |
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// -nullcache=[]*model.OrderMain{} 这种无效
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log.Fatalf("%s: %s 不能作为空缓存值 会导致空缓存无效 \n", option.name, option.NullCache) |
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} |
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if strings.Contains(option.CheckNullCode, "len") && strings.Contains(strings.Replace(option.CheckNullCode, " ", "", -1), "==0") { |
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// -check_null_code=len($)==0 这种无效
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log.Fatalf("%s: -check_null_code=%s 错误 会有无意义的赋值\n", option.name, option.CheckNullCode) |
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@ -352,6 +373,7 @@ func (option *options) Check() { |
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func genHeader(opts []*options) (src string) { |
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option := options{PkgName: os.Getenv("GOPACKAGE")} |
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option.UseBTS = interfaceName == "_bts" |
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var sfCount int |
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var packages, sfInit []string |
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packagesMap := map[string]bool{`"context"`: true} |
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小旭
5 years ago