unix: consistently use tabs in //sys and //sysnb lines

There is some inconsistent use of tabs and spaces in the //sys and
//sysnb lines. However, the large majority is using tabs, so use these
consistently.

Also change the regexp in mksyscall*.go to only accept tabs going
forward.

Change-Id: I78944e88b5fec11c1bd1d103cea894bc5109da56
Reviewed-on: https://go-review.googlesource.com/c/sys/+/283596
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2021-02-17 08:59:31 +00:00
committed by Tobias Klauser
parent f992740a1b
commit 73548a7a48
23 changed files with 75 additions and 81 deletions
+4 -6
View File
@@ -17,7 +17,7 @@ and read like func declarations if //sys is replaced by func, but:
* If go func name needs to be different than its libc name,
* or the function is not in libc, name could be specified
* at the end, after "=" sign, like
//sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
//sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
*/
package main
@@ -105,20 +105,18 @@ func main() {
s := bufio.NewScanner(file)
for s.Scan() {
t := s.Text()
t = strings.TrimSpace(t)
t = regexp.MustCompile(`\s+`).ReplaceAllString(t, ` `)
if p := regexp.MustCompile(`^package (\S+)$`).FindStringSubmatch(t); p != nil && pack == "" {
pack = p[1]
}
nonblock := regexp.MustCompile(`^\/\/sysnb `).FindStringSubmatch(t)
if regexp.MustCompile(`^\/\/sys `).FindStringSubmatch(t) == nil && nonblock == nil {
nonblock := regexp.MustCompile(`^\/\/sysnb\t`).FindStringSubmatch(t)
if regexp.MustCompile(`^\/\/sys\t`).FindStringSubmatch(t) == nil && nonblock == nil {
continue
}
// Line must be of the form
// func Open(path string, mode int, perm int) (fd int, err error)
// Split into name, in params, out params.
f := regexp.MustCompile(`^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
f := regexp.MustCompile(`^\/\/sys(nb)?\t(\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$`).FindStringSubmatch(t)
if f == nil {
fmt.Fprintf(os.Stderr, "%s:%s\nmalformed //sys declaration\n", path, t)
os.Exit(1)