return nil, fmt.Errorf(
"Manybe Arg Error:expect 1 parser arg but %v.",
reflect.TypeOf(param))
}
},
"skip": func(env Env, args ...interface{}) (Lisp, error) {
if len(args) != 1 {
return nil, fmt.Errorf("Parsex Parser Skip 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) {
case Parsecer:
return ParsecBox(p.Skip(parser.Parser)), nil
default:
return nil, fmt.Errorf(
"Skip Arg Error:expect 1 parser arg but %v.",
reflect.TypeOf(param))
}
},
},
}
// NewStringState 构造一个新的基于字符串的 state
func NewStringState(data string) p.State {
re := p.BasicStateFromText(data)
return &re
}
package gisp
import (
"fmt"
"reflect"
"strconv"
p "github.com/Dwarfartisan/goparsec2"
)
// Ext 扩展表示扩展环境
// Skip 忽略匹配指定算子的内容
var Skip = p.Skip(p.Space)
// IntParser 解析整数
func IntParser(st p.State) (interface{}, error) {
i, err := p.Int(st)
if err == nil {
val, err := strconv.Atoi(i.(string))
if err == nil {
return Int(val), nil
}
return nil, err
}
return nil, err
}
// 用于string
var EscapeChars = p.Do(func(st p.State) interface{} {
package pjson
import (
"fmt"
"reflect"
p "github.com/Dwarfartisan/goparsec2"
)
// Skip 忽略匹配指定算子的内容
var Skip = p.Skip(p.Space)
// Comma 逗号分隔符
var Comma = p.Skip(p.Str(","))
// Colon 冒号分隔符
var Colon = p.Skip(p.Str(":"))
func listBodyParser(st p.State) (interface{}, error) {
value, err := p.SepBy1(ValueParser(), Comma)(st)
fmt.Printf("type :%v, value :%v, err :%v\n", reflect.TypeOf(value), value, err)
return value, err
}
// ListParser 实现数组解析器
func ListParser() p.P {
return func(st p.State) (interface{}, error) {
left := p.Chr('[').Then(Skip)
right := Skip.Then(p.Chr(']'))
empty := p.Between(left, right, Skip)