func atomNameParser() p.P {
return p.Do(func(state p.State) interface{} {
ret := p.Many1(p.RuneNone("'[]() \t\r\n\".:")).Bind(p.ReturnString).Exec(state)
test := p.BasicStateFromText(ret.(string))
_, err := p.Many1(p.Digit).Then(p.EOF).Parse(&test)
if err == nil {
p.Fail("atom name can't be a int like %s", ret)
}
return ret
})
}
func TestParsecBasic(t *testing.T) {
g := NewGispWith(
map[string]Toolbox{
"axiom": Axiom, "props": Propositions, "time": Time},
map[string]Toolbox{"time": Time, "p": Parsec})
digit := p.Many1(p.Digit).Bind(p.ReturnString)
data := "344932454094325"
state := NewStringState(data)
pcre, err := digit(state)
if err != nil {
t.Fatalf("expect \"%v\" pass test many1 digit but error:%v", data, err)
}
src := "(let ((st (p.state \"" + data + `")))
(var data ((p.many1 p.digit) st))
(p.s2str data))
`
gre, err := g.Parse(src)
if err != nil {
t.Fatalf("expect \"%v\" pass gisp many1 digit but error:%v", src, err)
}
t.Logf("from gisp: %v", gre)
t.Logf("from parsec: %v", pcre)
if !reflect.DeepEqual(pcre, gre) {
t.Fatalf("expect got \"%v\" from gisp equal \"%v\" from parsex", gre, pcre)
}
}
)(st)
if err != nil {
return nil, err
}
return r, nil
}
func stopWord(x interface{}) p.P {
return p.P(stop).Then(p.Return(x))
}
func typeName(word string) p.P {
return p.Str(word).Bind(stopWord)
}
var anyType = p.Many1(p.Choice(p.Try(p.Digit), p.Letter)).Bind(stopWord).Bind(p.ReturnString)
// SliceTypeParserExt 定义了带环境的序列类型解析逻辑
func SliceTypeParserExt(env Env) p.P {
return func(st p.State) (interface{}, error) {
t, err := p.Str("[]").Then(ExtTypeParser(env))(st)
if err != nil {
return nil, err
}
return reflect.SliceOf(t.(Type).Type), nil
}
}
// MapTypeParserExt 定义了带环境的映射类型解析逻辑
func MapTypeParserExt(env Env) p.P {
return func(st p.State) (interface{}, error) {
return nil, fmt.Errorf(
"Many Arg Error:expect 1 parser arg but %v.",
reflect.TypeOf(param))
}
},
"many1": func(env Env, args ...interface{}) (Lisp, error) {
if len(args) != 1 {
return nil, fmt.Errorf("Parsex Parser Many1 Erroparserr: only accept one parsex parser as arg but %v", args)
}
param, err := Eval(env, args[0])
if err != nil {
return nil, err
}
switch parser := param.(type) {
case Parsecer:
return ParsecBox(p.Many1(parser.Parser)), nil
default:
return nil, fmt.Errorf(
"Many1 Arg Error:expect 1 parser arg but %v.",
reflect.TypeOf(param))
}
},
"many": func(env Env, args ...interface{}) (Lisp, error) {
if len(args) != 1 {
return nil, fmt.Errorf("Parsex Parser Many Error: only accept one parsex parser as arg but %v", args)
}
param, err := Eval(env, args[0])
if err != nil {
return nil, err
}
switch parser := param.(type) {