sink.go

@@ -4,7 +4,6 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"os"
 
 	"hilbish/util"
 
@@ -19,7 +18,6 @@ var sinkMetaKey = rt.StringValue("hshsink")
 type sink struct{
 	writer *bufio.Writer
 	reader *bufio.Reader
-	file *os.File
 	ud *rt.UserData
 	autoFlush bool
 }
@@ -29,34 +27,16 @@ func setupSinkType(rtm *rt.Runtime) {
 
 	sinkMethods := rt.NewTable()
 	sinkFuncs := map[string]util.LuaExport{
-		"flush": {luaSinkFlush, 1, false},
-		"read": {luaSinkRead, 1, false},
+		"read": {luaSinkRead, 0, false},
 		"write": {luaSinkWrite, 2, false},
 		"writeln": {luaSinkWriteln, 2, false},
 	}
 	util.SetExports(l, sinkMethods, sinkFuncs)
 
 	sinkIndex := func(t *rt.Thread, c *rt.GoCont) (rt.Cont, error) {
-		s, _ := sinkArg(c, 0)
-
 		arg := c.Arg(1)
 		val := sinkMethods.Get(arg)
 
-		if val != rt.NilValue {
-			return c.PushingNext1(t.Runtime, val), nil
-		}
-
-		keyStr, _ := arg.TryString()
-
-		switch keyStr {
-			case "pipe":
-				val = rt.BoolValue(false)
-				if s.file != nil {
-					fileInfo, _ := s.file.Stat();
-					val = rt.BoolValue(fileInfo.Mode() & os.ModeCharDevice == 0)
-				}
-		}
-
 		return c.PushingNext1(t.Runtime, val), nil
 	}
 
@@ -157,10 +137,6 @@ func newSinkInput(r io.Reader) *sink {
 	}
 	s.ud = sinkUserData(s)
 
-	if f, ok := r.(*os.File); ok {
-		s.file = f
-	}
-
 	return s
 }