-
Notifications
You must be signed in to change notification settings - Fork 27
/
tl_gen_structs.go
132 lines (109 loc) · 3.35 KB
/
tl_gen_structs.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
package gen
import (
"fmt"
"sort"
"github.com/dave/jennifer/jen"
"github.com/k0kubun/pp"
"github.com/amarnathcjd/gogram/internal/cmd/tlgen/tlparser"
)
func (g *Generator) generateSpecificStructs(f *jen.File) {
sort.Slice(g.schema.SingleInterfaceTypes, func(i, j int) bool {
return g.schema.SingleInterfaceTypes[i].Name < g.schema.SingleInterfaceTypes[j].Name
})
for _, _type := range g.schema.SingleInterfaceTypes {
f.Add(g.generateStructTypeAndMethods(_type, nil))
f.Line()
}
}
func (g *Generator) generateStructTypeAndMethods(definition tlparser.Object, implementsMethods []string) jen.Code {
structName := goify(definition.Name, true)
containsOptionalParameters := false
var typeDefinition jen.Code
fields := make([]jen.Code, len(definition.Parameters))
for i, param := range definition.Parameters {
if param.IsOptional {
containsOptionalParameters = true
}
if param.Type == "bitflags" {
continue
}
fields[i] = g.generateStructParameter(¶m)
}
typeDefinition = jen.Type().Id(structName).Struct(fields...)
// func (*T) CRC() uint32 { return 0x89abcdef }
var crcFunc jen.Code
f := jen.Func().Params(jen.Op("*").Id(structName)).Id("CRC").Params().Uint32().Block(
jen.Return(jen.Id(fmt.Sprintf("%#v", definition.CRC))),
)
crcFunc = f
// can be nil
var fieldIndexFunc jen.Code
if containsOptionalParameters {
flagBitIndex := -1 // -1 это если нет опциональных полей вообще
if containsOptionalParameters {
for i, param := range definition.Parameters {
if param.Name == "flags" && param.Type == "bitflags" || param.Name == "flags2" && param.Type == "bitflags" {
flagBitIndex = i
}
}
}
if flagBitIndex == -1 {
pp.Println(definition)
panic("optional bitflag not found!")
}
f := jen.Func().Params(jen.Op("*").Id(structName)).Id("FlagIndex").Params().Int().Block(
jen.Return(jen.Lit(flagBitIndex)),
)
fieldIndexFunc = f
}
// func (*T) Implements<InterfaceName>() {}
var implementFuncs []jen.Code
if implementsMethods != nil {
implementFuncs = make([]jen.Code, len(implementsMethods))
for i, suffixName := range implementsMethods {
f := jen.Func().Params(jen.Op("*").Id(structName)).Id("Implements" + suffixName).Params().Block()
implementFuncs[i] = f
}
}
result := &jen.Statement{}
if definition.Comment != "" {
result = result.Comment(definition.Comment)
result = result.Line()
}
result = result.Add(typeDefinition, jen.Line(), jen.Line())
result = result.Add(crcFunc, jen.Line(), jen.Line())
if fieldIndexFunc != nil {
result = result.Add(fieldIndexFunc, jen.Line(), jen.Line())
}
if implementFuncs != nil {
result = result.Add(implementFuncs...)
}
result = result.Add(jen.Line(), jen.Line())
return result
}
func (g *Generator) generateStructParameter(param *tlparser.Parameter) *jen.Statement {
goifiedName := goify(param.Name, true)
tag := ""
f := jen.Id(goifiedName)
if param.IsVector {
f = f.Index()
}
if param.IsOptional {
if param.Version == 1 {
tag = fmt.Sprintf("flag:%v", param.BitToTrigger)
} else if param.Version == 2 {
tag = fmt.Sprintf("flag2:%v", param.BitToTrigger)
}
}
if param.Type == "true" {
tag += ",encoded_in_bitflags"
}
f = f.Add(g.typeIdFromSchemaType(param.Type))
if tag != "" {
f = f.Tag(map[string]string{"tl": tag})
}
if param.Comment != "" {
f = f.Comment(param.Comment)
}
return f
}