mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-11-15 09:50:27 +00:00
103 lines
3.0 KiB
Go
103 lines
3.0 KiB
Go
package stdlib
|
|
|
|
import (
|
|
"math/rand"
|
|
|
|
"github.com/d5/tengo/objects"
|
|
)
|
|
|
|
var randModule = map[string]objects.Object{
|
|
"int": &objects.UserFunction{Name: "int", Value: FuncARI64(rand.Int63)},
|
|
"float": &objects.UserFunction{Name: "float", Value: FuncARF(rand.Float64)},
|
|
"intn": &objects.UserFunction{Name: "intn", Value: FuncAI64RI64(rand.Int63n)},
|
|
"exp_float": &objects.UserFunction{Name: "exp_float", Value: FuncARF(rand.ExpFloat64)},
|
|
"norm_float": &objects.UserFunction{Name: "norm_float", Value: FuncARF(rand.NormFloat64)},
|
|
"perm": &objects.UserFunction{Name: "perm", Value: FuncAIRIs(rand.Perm)},
|
|
"seed": &objects.UserFunction{Name: "seed", Value: FuncAI64R(rand.Seed)},
|
|
"read": &objects.UserFunction{
|
|
Name: "read",
|
|
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
|
if len(args) != 1 {
|
|
return nil, objects.ErrWrongNumArguments
|
|
}
|
|
|
|
y1, ok := args[0].(*objects.Bytes)
|
|
if !ok {
|
|
return nil, objects.ErrInvalidArgumentType{
|
|
Name: "first",
|
|
Expected: "bytes",
|
|
Found: args[0].TypeName(),
|
|
}
|
|
}
|
|
|
|
res, err := rand.Read(y1.Value)
|
|
if err != nil {
|
|
ret = wrapError(err)
|
|
return
|
|
}
|
|
|
|
return &objects.Int{Value: int64(res)}, nil
|
|
},
|
|
},
|
|
"rand": &objects.UserFunction{
|
|
Name: "rand",
|
|
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
|
if len(args) != 1 {
|
|
return nil, objects.ErrWrongNumArguments
|
|
}
|
|
|
|
i1, ok := objects.ToInt64(args[0])
|
|
if !ok {
|
|
return nil, objects.ErrInvalidArgumentType{
|
|
Name: "first",
|
|
Expected: "int(compatible)",
|
|
Found: args[0].TypeName(),
|
|
}
|
|
}
|
|
|
|
src := rand.NewSource(i1)
|
|
|
|
return randRand(rand.New(src)), nil
|
|
},
|
|
},
|
|
}
|
|
|
|
func randRand(r *rand.Rand) *objects.ImmutableMap {
|
|
return &objects.ImmutableMap{
|
|
Value: map[string]objects.Object{
|
|
"int": &objects.UserFunction{Name: "int", Value: FuncARI64(r.Int63)},
|
|
"float": &objects.UserFunction{Name: "float", Value: FuncARF(r.Float64)},
|
|
"intn": &objects.UserFunction{Name: "intn", Value: FuncAI64RI64(r.Int63n)},
|
|
"exp_float": &objects.UserFunction{Name: "exp_float", Value: FuncARF(r.ExpFloat64)},
|
|
"norm_float": &objects.UserFunction{Name: "norm_float", Value: FuncARF(r.NormFloat64)},
|
|
"perm": &objects.UserFunction{Name: "perm", Value: FuncAIRIs(r.Perm)},
|
|
"seed": &objects.UserFunction{Name: "seed", Value: FuncAI64R(r.Seed)},
|
|
"read": &objects.UserFunction{
|
|
Name: "read",
|
|
Value: func(args ...objects.Object) (ret objects.Object, err error) {
|
|
if len(args) != 1 {
|
|
return nil, objects.ErrWrongNumArguments
|
|
}
|
|
|
|
y1, ok := args[0].(*objects.Bytes)
|
|
if !ok {
|
|
return nil, objects.ErrInvalidArgumentType{
|
|
Name: "first",
|
|
Expected: "bytes",
|
|
Found: args[0].TypeName(),
|
|
}
|
|
}
|
|
|
|
res, err := r.Read(y1.Value)
|
|
if err != nil {
|
|
ret = wrapError(err)
|
|
return
|
|
}
|
|
|
|
return &objects.Int{Value: int64(res)}, nil
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|