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Add lua repl interface to redbean

Browse source 
You can now interact with the global web server state on the command
line, which the web server is running. This supports Emacs shortcuts
with history, readline parity, <tab> completions, plus hints. Enjoy!
This commit is contained in:
Justine Tunney 2022-04-16 20:29:08 -07:00
parent f6b6204b9e
commit a6b02ce5a6
24 changed files with 848 additions and 463 deletions
Download patch file Download diff file Expand all files Collapse all files

20
libc/calls/ioctl_tcgets-nt.c
View file

@ -36,13 +36,23 @@ textwindows int ioctl_tcgets_nt(int ignored, struct termios *tio) {
if (inok | outok) {
bzero(tio, sizeof(*tio));
if (inok) {
if (inmode & kNtEnableLineInput) tio->c_lflag |= ICANON;
if (inmode & kNtEnableEchoInput) tio->c_lflag |= ECHO;
if (inmode & kNtEnableProcessedInput) tio->c_lflag |= IEXTEN | ISIG;
if (inmode & kNtEnableLineInput) {
tio->c_lflag |= ICANON;
}
if (inmode & kNtEnableEchoInput) {
tio->c_lflag |= ECHO;
}
if (inmode & kNtEnableProcessedInput) {
tio->c_lflag |= IEXTEN | ISIG;
}
}
if (outok) {
if (outmode & kNtEnableProcessedOutput) tio->c_oflag |= OPOST;
if (!(outmode & kNtDisableNewlineAutoReturn)) tio->c_oflag |= ONLCR;
if (outmode & kNtEnableProcessedOutput) {
tio->c_oflag |= OPOST;
}
if (!(outmode & kNtDisableNewlineAutoReturn)) {
tio->c_oflag |= ONLCR;
}
}
return 0;
} else {

7
libc/calls/ioctl_tcsets.c
View file

@ -23,11 +23,10 @@
#include "libc/calls/termios.internal.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/nomultics.internal.h"
#include "libc/sysv/consts/termios.h"
#include "libc/sysv/errfuns.h"
extern bool __nomultics;
int ioctl_tcsets_nt(int, uint64_t, const struct termios *);
static int ioctl_tcsets_metal(int fd, uint64_t request,
@ -85,7 +84,9 @@ int ioctl_tcsets(int fd, uint64_t request, ...) {
rc = einval();
}
if (rc != -1) {
__nomultics = !(tio->c_oflag & OPOST);
if (__nomultics == 0 || __nomultics == 1) {
__nomultics = !(tio->c_oflag & OPOST);
}
}
STRACE("ioctl_tcsets(%d, %p, %p) → %d% m", fd, request, tio, rc);
return rc;

26
libc/calls/poll.c
View file

@ -20,7 +20,11 @@
#include "libc/calls/internal.h"
#include "libc/calls/strace.internal.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/intrin/asan.internal.h"
#include "libc/intrin/describeflags.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/macros.internal.h"
#include "libc/sock/internal.h"
#include "libc/sock/sock.h"
#include "libc/sysv/errfuns.h"
@ -62,8 +66,9 @@
* @norestart
*/
int poll(struct pollfd *fds, size_t nfds, int timeout_ms) {
int rc;
int i, rc;
uint64_t millis;
if (IsAsan() && !__asan_is_valid(fds, nfds * sizeof(struct pollfd))) {
rc = efault();
} else if (!IsWindows()) {
@ -76,6 +81,23 @@ int poll(struct pollfd *fds, size_t nfds, int timeout_ms) {
millis = timeout_ms;
rc = sys_poll_nt(fds, nfds, &millis);
}
STRACE("poll(%p, %'lu, %'d) → %d% lm", fds, nfds, timeout_ms, rc);
#if defined(SYSDEBUG) && _POLLTRACE
if (__strace > 0) {
if (rc == -1 && errno == EFAULT) {
STRACE("poll(%p, %'lu, %'d) → %d% lm", fds, nfds, timeout_ms, rc);
} else {
kprintf(STRACE_PROLOGUE "poll({");
for (i = 0; i < MIN(5, nfds); ++i) {
kprintf("%s{%d,%s,%s}", i ? ", " : "", fds[i].fd,
DescribePollFlags(fds[i].events),
DescribePollFlags(fds[i].revents));
}
kprintf("%s}, %'zu, %'d) → %d% lm%n", i == 5 ? "..." : "", nfds,
timeout_ms, rc);
}
}
#endif
return rc;
}

26
libc/calls/tcgetattr.c
View file

@ -23,6 +23,32 @@
/**
* Obtains the termios struct.
*
* Here are the general defaults you can expect across platforms:
*
* c_iflag = ICRNL IXON
* c_oflag = OPOST ONLCR NL0 CR0 TAB0 BS0 VT0 FF0
* c_cflag = ISIG CREAD CS8
* c_lflag = ISIG ICANON ECHO ECHOE ECHOK IEXTEN ECHOCTL ECHOKE
* c_ispeed = 38400
* c_ospeed = 38400
* c_cc[VINTR] = CTRL-C
* c_cc[VQUIT] = CTRL-\ # ignore this comment
* c_cc[VERASE] = CTRL-?
* c_cc[VKILL] = CTRL-U
* c_cc[VEOF] = CTRL-D
* c_cc[VTIME] = CTRL-@
* c_cc[VMIN] = CTRL-A
* c_cc[VSTART] = CTRL-Q
* c_cc[VSTOP] = CTRL-S
* c_cc[VSUSP] = CTRL-Z
* c_cc[VEOL] = CTRL-@
* c_cc[VSWTC] = CTRL-@
* c_cc[VREPRINT] = CTRL-R
* c_cc[VDISCARD] = CTRL-O
* c_cc[VWERASE] = CTRL-W
* c_cc[VLNEXT] = CTRL-V
* c_cc[VEOL2] = CTRL-@
*
* @param fd open file descriptor that isatty()
* @param tio is where result is stored
* @return -1 w/ errno on error