func TestParsexBasic(t *testing.T) {
g := NewGispWith(
map[string]Toolbox{
"axiom": Axiom, "props": Propositions, "time": Time},
map[string]Toolbox{"time": Time, "px": Parsex})
digit := px.Bind(px.Many1(px.Digit), px.ReturnString)
data := "344932454094325"
state := NewStringState(data)
pxre, err := digit(state)
if err != nil {
t.Fatalf("except \"%v\" pass test many1 digit but error:%v", data, err)
}
src := "(let ((st (px.state \"" + data + `")))
(var data ((px.many1 px.digit) st))
(px.s2str data))
`
gre, err := g.Parse(src)
if err != nil {
t.Fatalf("except \"%v\" pass gisp many1 digit but error:%v", src, err)
}
t.Logf("from gisp: %v", gre)
t.Logf("from parsex: %v", pxre)
if !reflect.DeepEqual(pxre, gre) {
t.Fatalf("except got \"%v\" from gisp equal \"%v\" from parsex", gre, pxre)
}
}
func compare(st px.ParsexState) (interface{}, error) {
l, err := px.Bind(px.Choice(
px.Bind(IntValue, LessThanNumber),
px.Bind(NumberValue, LessThanFloat),
px.Bind(px.StringVal, LessThanString),
px.Bind(TimeValue, LessThanTime),
), func(l interface{}) px.Parser {
return func(st px.ParsexState) (interface{}, error) {
_, err := px.Eof(st)
if err != nil {
return nil, ParsexSignErrorf("less args sign error: except eof")
}
return l, nil
}
})(st)
if err == nil {
return l, nil
}
return nil, ParsexSignErrorf("Except two lessable values compare but error %v", err)
}
// return false, true or nil
func lessOption(env Env) px.Parser {
return func(st px.ParsexState) (interface{}, error) {
l, err := px.Bind(px.Choice(
px.Try(px.Bind(IntValue, LessThanNumber)),
px.Try(px.Bind(NumberValue, LessThanFloat)),
px.Try(px.Bind(px.StringVal, LessThanString)),
px.Try(px.Bind(TimeValue, LessThanTime)),
px.Try(px.Bind(ListValue, LessThanListOption(env))),
px.Bind(px.AnyOne, LessThanNil),
), func(l interface{}) px.Parser {
return func(st px.ParsexState) (interface{}, error) {
_, err := px.Eof(st)
if err != nil {
return nil, ParsexSignErrorf("less args sign error: except eof")
}
return l, nil
}
})(st)
if err == nil {
return l, nil
}
return nil, ParsexSignErrorf("Except two lessable values or nil compare but error: %v", err)
}
}
func notEquals(st px.ParsexState) (interface{}, error) {
return px.Bind(px.AnyOne, neqs)(st)
}
func equalsOption(st px.ParsexState) (interface{}, error) {
return px.Bind(px.AnyOne, eqsOption)(st)
}
return nil, err
}
if y == nil {
return false, nil
}
if !reflect.DeepEqual(x, y) {
return true, nil
}
}
}
var String2Values = px.Bind(StringValue, func(x interface{}) px.Parser {
return func(st px.ParsexState) (interface{}, error) {
y, err := StringValue(st)
if err != nil {
return nil, err
}
return []interface{}{x, y}, nil
}
})
var Time2Values = px.Bind(TimeValue, func(x interface{}) px.Parser {
return func(st px.ParsexState) (interface{}, error) {
y, err := TimeValue(st)
if err != nil {
return nil, err
}
return []interface{}{x, y}, nil
}
})
case float32:
return Float(val), nil
case float64:
return Float(val), nil
case Float:
return val, nil
default:
return nil, NotNumberError{v}
}
}
var Int2Values = px.Bind(IntValue, func(x interface{}) px.Parser {
return func(st px.ParsexState) (interface{}, error) {
y, err := IntValue(st)
if err != nil {
return nil, err
}
return []interface{}{x, y}, nil
}
})
var Num2Values = px.Bind(NumberValue, func(x interface{}) px.Parser {
return func(st px.ParsexState) (interface{}, error) {
y, err := NumberValue(st)
if err != nil {
return nil, err
}
return []interface{}{x, y}, nil
}
})
prs, err := Eval(env, args[0])
if err != nil {
return nil, err
}
var parser Parsexer
var ok bool
if parser, ok = prs.(Parsexer); !ok {
return nil, ParsexSignErrorf("Bind Args Error:except first arg is a parsexer.")
}
f, err := Eval(env, args[1])
if err != nil {
return nil, err
}
switch fun := f.(type) {
case func(interface{}) px.Parser:
return ParsexBox(px.Bind(parser.Parser, fun)), nil
case Functor:
return ParsexBox(px.Bind(parser.Parser, func(x interface{}) px.Parser {
tasker, err := fun.Task(env, x)
if err != nil {
return func(st px.ParsexState) (interface{}, error) {
return nil, err
}
}
pr, err := tasker.Eval(env)
if err != nil {
return func(st px.ParsexState) (interface{}, error) {
return nil, err
}
}
switch parser := pr.(type) {