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opt yac

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IT 老营长 @云轩领航-创始人 2023-03-29 15:15:12 +08:00
parent 87c3467930
commit 80e3d06108
1 changed files with 45 additions and 6 deletions
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51
base/yac/stack.go
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@ -169,11 +169,31 @@ func init() {
f := s.pushf(m.CommandKey())
kit.If(s.runable() && m.Cmdx(EXPR, arg) == ice.FALSE, func() { f.status = DISABLE })
}},
FOR: {Name: "for a > 1", Hand: func(m *ice.Message, arg ...string) {
FOR: {Name: "for a = 1; a < 10; a++ {", Hand: func(m *ice.Message, arg ...string) {
init, next := []string{}, []string{}
switch strings.Count(strings.Join(arg, ""), ";") {
case 2:
init, arg = _parse_rest(";", arg...)
arg, next = _parse_rest(";", arg...)
case 1:
arg, next = _parse_rest(";", arg...)
}
s := _parse_stack(m)
m.Debug("what %#v", s.last)
m.Debug("what %+v", s.last)
m.Debug("what %v", s.last)
kit.If(s.last != nil && s.last.line == s.line, func() { init = init[:0] })
kit.If(len(init) > 0, func() { m.Cmd(EXPR, init) })
f, line := s.pushf(m.CommandKey()), s.line
f.pop = func() { kit.If(s.runable(), func() { s.line, _ = line-1, s.popf() }, func() { s.popf() }) }
kit.If(s.runable() && m.Cmdx(EXPR, arg) == ice.FALSE, func() { f.status = DISABLE })
f.pop = func() {
kit.If(s.runable(), func() {
s.line, s.last = line-1, s.popf()
kit.If(len(next) > 0, func() { m.Cmd(EXPR, next) })
}, func() {
s.popf()
})
}
kit.If(s.runable() && len(arg) > 0 && m.Cmdx(EXPR, arg) == ice.FALSE, func() { f.status = DISABLE })
}},
FUNC: {Name: "func show", Hand: func(m *ice.Message, arg ...string) {
s := _parse_stack(m)
@ -207,9 +227,11 @@ func init() {
EXPR: {Name: "expr a = 1", Hand: func(m *ice.Message, arg ...string) {
s := _parse_stack(m)
level := map[string]int{
"*": 30, "/": 30,
"++": 40,
"*": 30, "/": 30,
"+": 20, "-": 20,
"<": 10, ">": 10, "<=": 10, ">=": 10, "==": 10, "!=": 10,
"=": 1,
}
list := kit.List()
get := func(p int) ice.Any {
@ -229,6 +251,12 @@ func init() {
push := func(v ice.Any) { list = append(list, v) }
pop := func(n int) { list = list[:len(list)-n] }
ops := func() {
switch gets(-2) {
case "=":
s.value(kit.Format(get(-3)), gets(-1))
pop(2)
return
}
bin := func(v ice.Any) {
pop(3)
push(kit.Format(v))
@ -257,6 +285,17 @@ func init() {
}
}
kit.For(arg, func(k string) {
if op := k + kit.Format(get(-1)); level[op] > 0 {
if op == "++" {
v := kit.Int(s.value(kit.Format(get(-2)))) + 1
s.value(kit.Format(get(-2)), v)
pop(1)
return
}
pop(1)
push(op)
return
}
if level[k] > 0 {
for level[k] <= getl(-2) {
ops()
@ -267,8 +306,8 @@ func init() {
for len(list) > 1 {
ops()
}
m.Echo(kit.Format(list[0]))
m.Debug("expr %s", m.Result())
kit.If(len(list) > 0, func() { m.Echo(kit.Format(list[0])) })
m.Debug("expr %s %v", m.Result(), s.value(m.Result()))
}},
})
}