38 lines
703 B
Go
38 lines
703 B
Go
package builtins
|
|
|
|
import (
|
|
"monkey/object"
|
|
"monkey/typing"
|
|
)
|
|
|
|
import (
|
|
"fmt"
|
|
"plugin"
|
|
)
|
|
|
|
// FFI ...
|
|
func FFI(args ...object.Object) object.Object {
|
|
if err := typing.Check(
|
|
"ffi", args,
|
|
typing.ExactArgs(2),
|
|
typing.WithTypes(object.STRING_OBJ, object.STRING_OBJ),
|
|
); err != nil {
|
|
return newError(err.Error())
|
|
}
|
|
|
|
name := args[0].(*object.String).Value
|
|
symbol := args[1].(*object.String).Value
|
|
|
|
p, err := plugin.Open(fmt.Sprintf("%s.so", name))
|
|
if err != nil {
|
|
return newError("error loading plugin: %s", err)
|
|
}
|
|
|
|
v, err := p.Lookup(symbol)
|
|
if err != nil {
|
|
return newError("error finding symbol: %s", err)
|
|
}
|
|
|
|
return &object.Builtin{Name: symbol, Fn: v.(object.BuiltinFunction)}
|
|
}
|