qbit/go
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assorted cleanup and fixes

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R=r
DELTA=209  (109 added, 79 deleted, 21 changed)
OCL=20930
CL=20934
This commit is contained in:
Russ Cox 2008-12-10 15:55:59 -08:00
parent a238087aa2
commit d0e30cdaa9
8 changed files with 128 additions and 98 deletions
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4
src/lib/bufio.go
View File

@ -210,7 +210,9 @@ func (b *BufRead) ReadLineSlice(delim byte) (line *[]byte, err *os.Error) {
return nil, b.err
}
if b.Buffered() == n { // no data added; end of file
return nil, EndOfFile
line := b.buf[b.r:b.w];
b.r = b.w;
return line, EndOfFile
}
// Search new part of buffer

2
src/lib/fmt/print.go
View File

@ -275,7 +275,7 @@ func getFloat64(v reflect.Value) (val float64, ok bool) {
func getPtr(v reflect.Value) (val uintptr, ok bool) {
switch v.Kind() {
case reflect.PtrKind:
return uintptr(v.(reflect.PtrValue)), true;
return uintptr(v.(reflect.PtrValue).Get()), true;
}
return 0, false;
}

14
src/lib/http/url.go
View File

@ -3,11 +3,13 @@
// license that can be found in the LICENSE file.
// Parse URLs (actually URIs, but that seems overly pedantic).
// TODO(rsc): Add tests.
package http
import (
"os"
"os";
"strings"
)
export var (
@ -150,13 +152,19 @@ export func ParseURL(rawurl string) (url *URL, err *os.Error) {
// Maybe path is //authority/path
if len(path) > 2 && path[0:2] == "//" {
url.authority, path = Split(path[2:len(path)], '/', false)
url.authority, path = Split(path[2:len(path)], '/', false);
}
// If there's no @, Split's default is wrong. Check explicitly.
if strings.index(url.authority, "@") < 0 {
url.host = url.authority;
} else {
url.userinfo, url.host = Split(url.authority, '@', true);
}
// What's left is the path.
// TODO: Canonicalize (remove . and ..)?
if url.path, err = URLUnescape(url.path); err != nil {
if url.path, err = URLUnescape(path); err != nil {
return nil, err
}

120
src/lib/net/net.go
View File

@ -359,72 +359,20 @@ ra = nil;
// TCP connections.
export type ConnTCP struct {
base ConnBase
ConnBase
}
// New TCP methods
func (c *ConnTCP) SetNoDelay(nodelay bool) *os.Error {
if c == nil {
return os.EINVAL
}
return setsockopt_int((&c.base).FD(), syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(nodelay))
}
// Wrappers
func (c *ConnTCP) Read(b *[]byte) (n int, err *os.Error) {
n, err = (&c.base).Read(b);
return n, err
}
func (c *ConnTCP) Write(b *[]byte) (n int, err *os.Error) {
n, err = (&c.base).Write(b);
return n, err
}
func (c *ConnTCP) ReadFrom(b *[]byte) (n int, raddr string, err *os.Error) {
n, raddr, err = (&c.base).ReadFrom(b);
return n, raddr, err
}
func (c *ConnTCP) WriteTo(raddr string, b *[]byte) (n int, err *os.Error) {
n, err = (&c.base).WriteTo(raddr, b);
return n, err
}
func (c *ConnTCP) Close() *os.Error {
return (&c.base).Close()
}
func (c *ConnTCP) SetReadBuffer(bytes int) *os.Error {
return (&c.base).SetReadBuffer(bytes)
}
func (c *ConnTCP) SetWriteBuffer(bytes int) *os.Error {
return (&c.base).SetWriteBuffer(bytes)
}
func (c *ConnTCP) SetTimeout(nsec int64) *os.Error {
return (&c.base).SetTimeout(nsec)
}
func (c *ConnTCP) SetReadTimeout(nsec int64) *os.Error {
return (&c.base).SetReadTimeout(nsec)
}
func (c *ConnTCP) SetWriteTimeout(nsec int64) *os.Error {
return (&c.base).SetWriteTimeout(nsec)
}
func (c *ConnTCP) SetLinger(sec int) *os.Error {
return (&c.base).SetLinger(sec)
}
func (c *ConnTCP) SetReuseAddr(reuseaddr bool) *os.Error {
return (&c.base).SetReuseAddr(reuseaddr)
}
func (c *ConnTCP) BindToDevice(dev string) *os.Error {
return (&c.base).BindToDevice(dev)
}
func (c *ConnTCP) SetDontRoute(dontroute bool) *os.Error {
return (&c.base).SetDontRoute(dontroute)
}
func (c *ConnTCP) SetKeepAlive(keepalive bool) *os.Error {
return (&c.base).SetKeepAlive(keepalive)
return setsockopt_int(c.FD(), syscall.IPPROTO_TCP, syscall.TCP_NODELAY, boolint(nodelay))
}
func NewConnTCP(fd *FD, raddr string) *ConnTCP {
c := new(ConnTCP);
c.base.fd = fd;
c.base.raddr = raddr;
c.fd = fd;
c.raddr = raddr;
c.SetNoDelay(true);
return c
}
@ -441,7 +389,31 @@ export func DialTCP(net, laddr, raddr string) (c *ConnTCP, err *os.Error) {
}
// TODO: UDP connections
// UDP connections.
// TODO(rsc): UDP headers mode
export type ConnUDP struct {
ConnBase
}
func NewConnUDP(fd *FD, raddr string) *ConnUDP {
c := new(ConnUDP);
c.fd = fd;
c.raddr = raddr;
return c
}
export func DialUDP(net, laddr, raddr string) (c *ConnUDP, err *os.Error) {
if raddr == "" {
return nil, MissingAddress
}
fd, e := InternetSocket(net, laddr, raddr, syscall.SOCK_DGRAM);
if e != nil {
return nil, e
}
return NewConnUDP(fd, raddr), nil
}
// TODO: raw IP connections
@ -468,24 +440,6 @@ export type Conn interface {
BindToDevice(dev string) *os.Error;
}
type NoConn struct { unused int }
func (c *NoConn) Read(b *[]byte) (n int, err *os.Error) { return -1, os.EINVAL }
func (c *NoConn) Write(b *[]byte) (n int, err *os.Error) { return -1, os.EINVAL }
func (c *NoConn) ReadFrom(b *[]byte) (n int, addr string, err *os.Error) { return -1, "", os.EINVAL }
func (c *NoConn) WriteTo(addr string, b *[]byte) (n int, err *os.Error) { return -1, os.EINVAL }
func (c *NoConn) Close() *os.Error { return nil }
func (c *NoConn) SetReadBuffer(bytes int) *os.Error { return os.EINVAL }
func (c *NoConn) SetWriteBuffer(bytes int) *os.Error { return os.EINVAL }
func (c *NoConn) SetTimeout(nsec int64) *os.Error { return os.EINVAL }
func (c *NoConn) SetReadTimeout(nsec int64) *os.Error { return os.EINVAL }
func (c *NoConn) SetWriteTimeout(nsec int64) *os.Error { return os.EINVAL }
func (c *NoConn) SetLinger(sec int) *os.Error { return os.EINVAL }
func (c *NoConn) SetReuseAddr(reuseaddr bool) *os.Error { return os.EINVAL }
func (c *NoConn) SetDontRoute(dontroute bool) *os.Error { return os.EINVAL }
func (c *NoConn) SetKeepAlive(keepalive bool) *os.Error { return os.EINVAL }
func (c *NoConn) BindToDevice(dev string) *os.Error { return os.EINVAL }
var noconn NoConn
// Dial's arguments are the network, local address, and remote address.
// Examples:
@ -501,13 +455,13 @@ export func Dial(net, laddr, raddr string) (c Conn, err *os.Error) {
case "tcp", "tcp4", "tcp6":
c, err := DialTCP(net, laddr, raddr);
if err != nil {
return &noconn, err
return nil, err
}
return c, nil;
/*
case "udp", "udp4", "upd6":
c, err := DialUDP(net, laddr, raddr);
return c, err;
/*
case "ether":
c, err := DialEther(net, laddr, raddr);
return c, err;
@ -528,14 +482,6 @@ export type Listener interface {
Close() *os.Error;
}
type NoListener struct { unused int }
func (l *NoListener) Accept() (c Conn, raddr string, err *os.Error) {
return &noconn, "", os.EINVAL
}
func (l *NoListener) Close() *os.Error { return os.EINVAL }
var nolistener NoListener
export type ListenerTCP struct {
fd *FD;
laddr string
@ -576,7 +522,7 @@ func (l *ListenerTCP) AcceptTCP() (c *ConnTCP, raddr string, err *os.Error) {
func (l *ListenerTCP) Accept() (c Conn, raddr string, err *os.Error) {
c1, r1, e1 := l.AcceptTCP();
if e1 != nil {
return &noconn, "", e1
return nil, "", e1
}
return c1, r1, nil
}
@ -593,7 +539,7 @@ export func Listen(net, laddr string) (l Listener, err *os.Error) {
case "tcp", "tcp4", "tcp6":
l, err := ListenTCP(net, laddr);
if err != nil {
return &nolistener, err
return nil, err
}
return l, nil
/*

33
src/lib/reflect/all_test.go
View File

@ -294,3 +294,36 @@ export func TestInterfaceGet(t *testing.T) {
v3 := reflect.NewValue(i2);
assert(v3.Type().String(), "float");
}
export func TestCopyArray(t *testing.T) {
a := &[]int{ 1, 2, 3, 4, 10, 9, 8, 7 };
b := &[]int{ 11, 22, 33, 44, 1010, 99, 88, 77, 66, 55, 44 };
c := &[]int{ 11, 22, 33, 44, 1010, 99, 88, 77, 66, 55, 44 };
va := NewValue(a);
vb := NewValue(b);
for i := 0; i < len(b); i++ {
if b[i] != c[i] {
t.Fatalf("b != c before test");
}
}
for tocopy := 5; tocopy <= 6; tocopy++ {
CopyArray(vb.(PtrValue).Sub(), va.(PtrValue).Sub(), tocopy);
for i := 0; i < tocopy; i++ {
if a[i] != b[i] {
t.Errorf("tocopy=%d a[%d]=%d, b[%d]=%d",
tocopy, i, a[i], i, b[i]);
}
}
for i := tocopy; i < len(b); i++ {
if b[i] != c[i] {
if i < len(a) {
t.Errorf("tocopy=%d a[%d]=%d, b[%d]=%d, c[%d]=%d",
tocopy, i, a[i], i, b[i], i, c[i]);
} else {
t.Errorf("tocopy=%d b[%d]=%d, c[%d]=%d",
tocopy, i, b[i], i, c[i]);
}
}
}
}
}

45
src/lib/reflect/value.go
View File

@ -14,6 +14,10 @@ import (
type Addr unsafe.pointer // TODO: where are ptrint/intptr etc?
func EqualType(a, b Type) bool {
return a.String() == b.String()
}
export type Value interface {
Kind() int;
Type() Type;
@ -491,10 +495,11 @@ func (v *PtrValueStruct) Sub() Value {
}
func (v *PtrValueStruct) SetSub(subv Value) {
a := v.typ.(PtrType).Sub().String();
b := subv.Type().String();
if a != b {
panicln("reflect: incompatible types in PtrValue.SetSub:", a, b);
a := v.typ.(PtrType).Sub();
b := subv.Type();
if !EqualType(a, b) {
panicln("reflect: incompatible types in PtrValue.SetSub:",
a.String(), b.String());
}
*v.addr.(*Addr) = subv.Addr();
}
@ -806,6 +811,38 @@ export func NewOpenArrayValue(typ ArrayType, len, cap int) ArrayValue {
return NewValueAddr(typ, Addr(array));
}
export func CopyArray(dst ArrayValue, src ArrayValue, n int) {
if n == 0 {
return
}
dt := dst.Type().(ArrayType).Elem();
st := src.Type().(ArrayType).Elem();
if !EqualType(dt, st) {
panicln("reflect: incompatible types in CopyArray:",
dt.String(), st.String());
}
if n < 0 || n > dst.Len() || n > src.Len() {
panicln("reflect: CopyArray: invalid count", n);
}
dstp := uintptr(dst.Elem(0).Addr());
srcp := uintptr(src.Elem(0).Addr());
end := uintptr(n)*uintptr(dt.Size());
if dst.Type().Size() % 8 == 0 {
for i := uintptr(0); i < end; i += 8{
di := Addr(dstp + i);
si := Addr(srcp + i);
*di.(*uint64) = *si.(*uint64);
}
} else {
for i := uintptr(0); i < end; i++ {
di := Addr(dstp + i);
si := Addr(srcp + i);
*di.(*byte) = *si.(*byte);
}
}
}
export func NewValue(e interface {}) Value {
value, typestring := sys.reflect(e);
p, ok := typecache[typestring];

3
src/lib/strconv/quote.go
View File

@ -36,6 +36,9 @@ export func Quote(s string) string {
case s[i] == '\v':
t += `\v`;
case s[i] < utf8.RuneSelf:
t += `\x` + string(ldigits[s[i]>>4]) + string(ldigits[s[i]&0xF]);
case utf8.FullRuneInString(s, i):
r, size := utf8.DecodeRuneInString(s, i);
if r == utf8.RuneError && size == 1 {

1
src/lib/strconv/quote_test.go
View File

@ -20,6 +20,7 @@ var quotetests = []QuoteTest {
QuoteTest{ "abc\xffdef", `"abc\xffdef"` },
QuoteTest{ "\u263a", `"\u263a"` },
QuoteTest{ "\U0010ffff", `"\U0010ffff"` },
QuoteTest{ "\x04", `"\x04"` },
}
export func TestQuote(t *testing.T) {