forked from x/icebergs
100 lines
1.6 KiB
Go
100 lines
1.6 KiB
Go
package yac
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import (
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ice "shylinux.com/x/icebergs"
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kit "shylinux.com/x/toolkits"
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)
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const (
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CONST = "const"
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TYPE = "type"
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VAR = "var"
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STRING = "string"
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INT = "int"
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MAP = "map"
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SLICE = "slice"
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STRUCT = "struct"
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INTERFACE = "interface"
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)
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type Map struct {
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key Any
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value Any
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}
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type Slice struct {
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value Any
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}
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type Interface struct {
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index map[string]Function
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}
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type Struct struct {
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index map[string]Any
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method []Function
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field []Field
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}
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type Field struct {
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name string
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kind Any
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}
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type Object struct {
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value Operater
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index Struct
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}
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func (s Object) Operate(op string, v Any) Any {
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switch op {
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case "&", "*":
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return s
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case SUBS:
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switch v := s.index.index[kit.Format(v)].(type) {
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case Function:
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v.object = s
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return v
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}
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fallthrough
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default:
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return s.value.Operate(op, v)
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}
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return nil
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}
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func init() {
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Index.MergeCommands(ice.Commands{
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CONST: {Name: "const a = 1", Hand: func(m *ice.Message, arg ...string) {
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if s := _parse_stack(m); s.next(m) == OPEN {
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for s.token() != CLOSE {
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s.nextLine(m)
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s.skip--
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s.cals(m, CLOSE)
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}
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} else {
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s.skip--
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s.cals(m)
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}
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}},
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TYPE: {Name: "type student struct {", Hand: func(m *ice.Message, arg ...string) {
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s := _parse_stack(m)
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switch name := s.next(m); s.next(m) {
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case ASSIGN:
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s.next(m)
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fallthrough
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default:
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s.value(m, name, s.types(m))
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}
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}},
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VAR: {Name: "var a = 1", Hand: func(m *ice.Message, arg ...string) {
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if s := _parse_stack(m); s.next(m) == OPEN {
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for s.token() != CLOSE {
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s.nextLine(m)
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s.skip--
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s.cals(m, CLOSE)
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}
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} else {
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s.skip--
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s.cals(m)
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}
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}},
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})
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}
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