mirror of
https://github.com/janet-lang/janet
synced 2024-12-24 23:40:27 +00:00
Update shell.c to have smart behavior on windows.
This commit is contained in:
bakpakin
parent
69853c8e5c
commit
9da91a8217
@ -87,8 +87,30 @@ static void simpleline(JanetBuffer *buffer) {
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}
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}
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/* Windows */
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#if defined(JANET_WINDOWS) || defined(JANET_SIMPLE_GETLINE)
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/* State */
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#ifndef JANET_SIMPLE_GETLINE
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/* static state */
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#define JANET_LINE_MAX 1024
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#define JANET_MATCH_MAX 256
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#define JANET_HISTORY_MAX 100
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static JANET_THREAD_LOCAL int gbl_israwmode = 0;
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static JANET_THREAD_LOCAL const char *gbl_prompt = "> ";
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static JANET_THREAD_LOCAL int gbl_plen = 2;
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static JANET_THREAD_LOCAL char gbl_buf[JANET_LINE_MAX];
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static JANET_THREAD_LOCAL int gbl_len = 0;
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static JANET_THREAD_LOCAL int gbl_pos = 0;
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static JANET_THREAD_LOCAL int gbl_cols = 80;
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static JANET_THREAD_LOCAL char *gbl_history[JANET_HISTORY_MAX];
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static JANET_THREAD_LOCAL int gbl_history_count = 0;
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static JANET_THREAD_LOCAL int gbl_historyi = 0;
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static JANET_THREAD_LOCAL JanetByteView gbl_matches[JANET_MATCH_MAX];
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static JANET_THREAD_LOCAL int gbl_match_count = 0;
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static JANET_THREAD_LOCAL int gbl_lines_below = 0;
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#endif
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/* Fallback */
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#if defined(JANET_SIMPLE_GETLINE)
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void janet_line_init() {
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;
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@ -105,6 +127,79 @@ void janet_line_get(const char *p, JanetBuffer *buffer) {
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simpleline(buffer);
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}
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/* Rich implementation */
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#else
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/* Windows */
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#ifdef _WIN32
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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static void setup_console_output(void) {
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/* Enable color console on windows 10 console and utf8 output and other processing */
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HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
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DWORD dwMode = 0;
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GetConsoleMode(hOut, &dwMode);
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dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
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SetConsoleMode(hOut, dwMode);
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SetConsoleOutputCP(65001);
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}
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/* Ansi terminal raw mode */
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static int rawmode(void) {
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if (gbl_israwmode) return 0;
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HANDLE hOut = GetStdHandle(STD_INPUT_HANDLE);
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DWORD dwMode = 0;
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GetConsoleMode(hOut, &dwMode);
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dwMode &= ~ENABLE_LINE_INPUT;
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dwMode &= ~ENABLE_INSERT_MODE;
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dwMode &= ~ENABLE_ECHO_INPUT;
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dwMode |= ENABLE_VIRTUAL_TERMINAL_INPUT;
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dwMode &= ~ENABLE_PROCESSED_INPUT;
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SetConsoleMode(hOut, dwMode);
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gbl_israwmode = 1;
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return 0;
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}
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/* Disable raw mode */
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static void norawmode(void) {
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if (!gbl_israwmode) return;
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HANDLE hOut = GetStdHandle(STD_INPUT_HANDLE);
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DWORD dwMode = 0;
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GetConsoleMode(hOut, &dwMode);
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dwMode |= ENABLE_LINE_INPUT;
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dwMode |= ENABLE_INSERT_MODE;
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dwMode |= ENABLE_ECHO_INPUT;
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dwMode &= ~ENABLE_VIRTUAL_TERMINAL_INPUT;
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dwMode |= ENABLE_PROCESSED_INPUT;
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SetConsoleMode(hOut, dwMode);
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gbl_israwmode = 0;
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}
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static long write_console(const char *bytes, size_t n) {
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DWORD nwritten = 0;
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BOOL result = WriteConsole(GetStdHandle(STD_OUTPUT_HANDLE), bytes, (DWORD) n, &nwritten, NULL);
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if (!result) return -1; /* error */
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return (long)nwritten;
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}
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static long read_console(char *into, size_t n) {
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DWORD numread;
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BOOL result = ReadConsole(GetStdHandle(STD_INPUT_HANDLE), into, (DWORD) n, &numread, NULL);
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if (!result) return -1; /* error */
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return (long)numread;
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}
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static int check_simpleline(JanetBuffer *buffer) {
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if (rawmode()) {
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simpleline(buffer);
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return 1;
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}
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return 0;
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}
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/* Posix */
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#else
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@ -125,24 +220,7 @@ https://github.com/antirez/linenoise/blob/master/linenoise.c
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#include <string.h>
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#include <signal.h>
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/* static state */
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#define JANET_LINE_MAX 1024
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#define JANET_MATCH_MAX 256
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#define JANET_HISTORY_MAX 100
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static JANET_THREAD_LOCAL int gbl_israwmode = 0;
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static JANET_THREAD_LOCAL const char *gbl_prompt = "> ";
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static JANET_THREAD_LOCAL int gbl_plen = 2;
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static JANET_THREAD_LOCAL char gbl_buf[JANET_LINE_MAX];
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static JANET_THREAD_LOCAL int gbl_len = 0;
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static JANET_THREAD_LOCAL int gbl_pos = 0;
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static JANET_THREAD_LOCAL int gbl_cols = 80;
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static JANET_THREAD_LOCAL char *gbl_history[JANET_HISTORY_MAX];
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static JANET_THREAD_LOCAL int gbl_history_count = 0;
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static JANET_THREAD_LOCAL int gbl_historyi = 0;
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static JANET_THREAD_LOCAL struct termios gbl_termios_start;
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static JANET_THREAD_LOCAL JanetByteView gbl_matches[JANET_MATCH_MAX];
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static JANET_THREAD_LOCAL int gbl_match_count = 0;
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static JANET_THREAD_LOCAL int gbl_lines_below = 0;
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/* Unsupported terminal list from linenoise */
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static const char *badterms[] = {
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@ -152,15 +230,6 @@ static const char *badterms[] = {
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NULL
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};
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static char *sdup(const char *s) {
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size_t len = strlen(s) + 1;
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char *mem = janet_malloc(len);
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if (!mem) {
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return NULL;
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}
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return memcpy(mem, s, len);
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}
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/* Ansi terminal raw mode */
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static int rawmode(void) {
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struct termios t;
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@ -186,13 +255,53 @@ static void norawmode(void) {
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gbl_israwmode = 0;
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}
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static int checktermsupport() {
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const char *t = getenv("TERM");
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int i;
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if (!t) return 1;
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for (i = 0; badterms[i]; i++)
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if (!strcmp(t, badterms[i])) return 0;
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return 1;
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}
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static long write_console(char *bytes, size_t n) {
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return write(STDOUT_FILENO, bytes, n);
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}
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static long read_console(char *into, size_t n) {
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return read(STDIN_FILENO, into, n);
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}
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static int check_simpleline(JanetBuffer *buffer) {
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if (!isatty(STDIN_FILENO) || !checktermsupport()) {
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simpleline(buffer);
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return 1;
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}
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if (rawmode()) {
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simpleline(buffer);
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return 1;
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}
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return 0;
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}
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#endif
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static char *sdup(const char *s) {
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size_t len = strlen(s) + 1;
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char *mem = janet_malloc(len);
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if (!mem) {
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return NULL;
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}
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return memcpy(mem, s, len);
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}
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static int curpos(void) {
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char buf[32];
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int cols, rows;
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unsigned int i = 0;
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if (write(STDOUT_FILENO, "\x1b[6n", 4) != 4) return -1;
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if (write_console("\x1b[6n", 4) != 4) return -1;
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while (i < sizeof(buf) - 1) {
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if (read(STDIN_FILENO, buf + i, 1) != 1) break;
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if (read_console(buf + i, 1) != 1) break;
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if (buf[i] == 'R') break;
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i++;
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}
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@ -203,18 +312,23 @@ static int curpos(void) {
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}
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static int getcols(void) {
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#ifdef _WIN32
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi);
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return (int)(csbi.srWindow.Right - csbi.srWindow.Left + 1);
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#else
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struct winsize ws;
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if (ioctl(1, TIOCGWINSZ, &ws) == -1 || ws.ws_col == 0) {
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int start, cols;
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start = curpos();
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if (start == -1) goto failed;
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if (write(STDOUT_FILENO, "\x1b[999C", 6) != 6) goto failed;
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if (write_console("\x1b[999C", 6) != 6) goto failed;
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cols = curpos();
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if (cols == -1) goto failed;
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if (cols > start) {
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char seq[32];
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snprintf(seq, 32, "\x1b[%dD", cols - start);
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if (write(STDOUT_FILENO, seq, strlen(seq)) == -1) {
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if (write_console(seq, strlen(seq)) == -1) {
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exit(1);
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}
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}
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@ -224,10 +338,11 @@ static int getcols(void) {
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}
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failed:
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return 80;
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#endif
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}
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static void clear(void) {
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if (write(STDOUT_FILENO, "\x1b[H\x1b[2J", 7) <= 0) {
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if (write_console("\x1b[H\x1b[2J", 7) <= 0) {
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exit(1);
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}
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}
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@ -259,7 +374,7 @@ static void refresh(void) {
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/* Move cursor to original position. */
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snprintf(seq, 64, "\r\x1b[%dC", (int)(_pos + gbl_plen));
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janet_buffer_push_cstring(&b, seq);
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if (write(STDOUT_FILENO, b.data, b.count) == -1) {
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if (write_console(b.data, b.count) == -1) {
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exit(1);
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}
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janet_buffer_deinit(&b);
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@ -285,7 +400,7 @@ static int insert(char c, int draw) {
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if (gbl_plen + gbl_len < gbl_cols) {
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/* Avoid a full update of the line in the
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* trivial case. */
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if (write(STDOUT_FILENO, &c, 1) == -1) return -1;
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if (write_console(&c, 1) == -1) return -1;
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} else {
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refresh();
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}
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@ -312,7 +427,7 @@ static void historymove(int delta) {
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gbl_historyi = gbl_history_count - 1;
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}
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strncpy(gbl_buf, gbl_history[gbl_historyi], JANET_LINE_MAX - 1);
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gbl_pos = gbl_len = strlen(gbl_buf);
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gbl_pos = gbl_len = (int) strlen(gbl_buf);
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gbl_buf[gbl_len] = '\0';
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refresh();
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@ -527,6 +642,7 @@ static void check_specials(JanetByteView src) {
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check_cmatch(src, "unquote");
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check_cmatch(src, "var");
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check_cmatch(src, "while");
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check_cmatch(src, "upscope");
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}
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static void resolve_format(JanetTable *entry) {
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@ -740,14 +856,14 @@ static int line() {
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addhistory();
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if (write(STDOUT_FILENO, gbl_prompt, gbl_plen) == -1) return -1;
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if (write_console(gbl_prompt, gbl_plen) == -1) return -1;
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for (;;) {
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char c;
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char seq[3];
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int rc;
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do {
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rc = read(STDIN_FILENO, &c, 1);
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rc = read_console(&c, 1);
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} while (rc < 0 && errno == EINTR);
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if (rc <= 0) return -1;
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@ -764,8 +880,13 @@ static int line() {
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kleft();
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break;
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case 3: /* ctrl-c */
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clearlines();
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norawmode();
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#ifdef _WIN32
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ExitProcess(1);
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#else
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kill(getpid(), SIGINT);
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#endif
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/* fallthrough */
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case 17: /* ctrl-q */
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gbl_cancel_current_repl_form = 1;
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@ -826,23 +947,25 @@ static int line() {
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case 23: /* ctrl-w */
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kbackspacew();
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break;
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#ifndef _WIN32
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case 26: /* ctrl-z */
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norawmode();
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kill(getpid(), SIGSTOP);
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rawmode();
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refresh();
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break;
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#endif
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case 27: /* escape sequence */
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/* Read the next two bytes representing the escape sequence.
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* Use two calls to handle slow terminals returning the two
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* chars at different times. */
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if (read(STDIN_FILENO, seq, 1) == -1) break;
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if (read_console(seq, 1) == -1) break;
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/* Esc[ = Control Sequence Introducer (CSI) */
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if (seq[0] == '[') {
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if (read(STDIN_FILENO, seq + 1, 1) == -1) break;
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if (read_console(seq + 1, 1) == -1) break;
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if (seq[1] >= '0' && seq[1] <= '9') {
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/* Extended escape, read additional byte. */
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if (read(STDIN_FILENO, seq + 2, 1) == -1) break;
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if (read_console(seq + 2, 1) == -1) break;
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if (seq[2] == '~') {
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switch (seq[1]) {
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case '1': /* Home */
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@ -861,7 +984,7 @@ static int line() {
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}
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}
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} else if (seq[0] == 'O') {
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if (read(STDIN_FILENO, seq + 1, 1) == -1) break;
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if (read_console(seq + 1, 1) == -1) break;
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switch (seq[1]) {
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default:
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break;
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@ -944,28 +1067,12 @@ void janet_line_deinit() {
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gbl_historyi = 0;
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}
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static int checktermsupport() {
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const char *t = getenv("TERM");
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int i;
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if (!t) return 1;
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for (i = 0; badterms[i]; i++)
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if (!strcmp(t, badterms[i])) return 0;
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return 1;
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}
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void janet_line_get(const char *p, JanetBuffer *buffer) {
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gbl_prompt = p;
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buffer->count = 0;
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gbl_historyi = 0;
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if (check_simpleline(buffer)) return;
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FILE *out = janet_dynfile("err", stderr);
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if (!isatty(STDIN_FILENO) || !checktermsupport()) {
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simpleline(buffer);
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return;
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}
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if (rawmode()) {
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simpleline(buffer);
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return;
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}
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if (line()) {
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norawmode();
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fputc('\n', out);
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@ -981,6 +1088,13 @@ void janet_line_get(const char *p, JanetBuffer *buffer) {
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replacehistory();
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}
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static void clear_at_exit(void) {
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if (!gbl_israwmode) {
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clearlines();
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norawmode();
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}
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}
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#endif
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/*
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@ -993,18 +1107,11 @@ int main(int argc, char **argv) {
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JanetTable *env;
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#ifdef _WIN32
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/* Enable color console on windows 10 console and utf8 output. */
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HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
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DWORD dwMode = 0;
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GetConsoleMode(hOut, &dwMode);
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dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
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SetConsoleMode(hOut, dwMode);
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SetConsoleOutputCP(65001);
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setup_console_output();
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#endif
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#if !defined(JANET_WINDOWS) && !defined(JANET_SIMPLE_GETLINE)
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/* Try and not leave the terminal in a bad state */
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atexit(norawmode);
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#if !defined(JANET_SIMPLE_GETLINE)
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atexit(clear_at_exit);
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#endif
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#if defined(JANET_PRF)
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0
tools/format.sh
Executable file → Normal file
0
tools/format.sh
Executable file → Normal file
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