X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fgacela.c;h=3357b0c1e05d6d76c0461c4ef4e330d9a2f4b434;hb=586ba6fbd6643e4c08748f94528eccbad9108040;hp=37c8c9fb0754ff5f30142b36e96e54a1dc7e5547;hpb=faa5d238501edac61e899697a6bb88f33dff13de;p=gacela.git
diff --git a/src/gacela.c b/src/gacela.c
index 37c8c9f..3357b0c 100644
--- a/src/gacela.c
+++ b/src/gacela.c
@@ -15,29 +15,39 @@
along with this program. If not, see .
*/
+#include
+#include
#include
#include
#include
#include
+#include
+#include
+#include
+#include
+
#include "gacela_SDL.h"
#include "gacela_GL.h"
#include "gacela_FTGL.h"
+// Generic variables
+int ctrl_c = 0;
+
static int
-find_matching_paren(int k)
+find_matching_paren (int k)
{
register int i;
register char c = 0;
int end_parens_found = 0;
- /* Choose the corresponding opening bracket. */
+ // Choose the corresponding opening bracket
if (k == ')') c = '(';
else if (k == ']') c = '[';
else if (k == '}') c = '{';
- for (i=rl_point-2; i>=0; i--)
+ for (i = rl_point-2; i >= 0; i--)
{
- /* Is the current character part of a character literal? */
+ // Is the current character part of a character literal?
if (i - 2 >= 0
&& rl_line_buffer[i - 1] == '\\'
&& rl_line_buffer[i - 2] == '#')
@@ -46,7 +56,7 @@ find_matching_paren(int k)
end_parens_found++;
else if (rl_line_buffer[i] == '"')
{
- /* Skip over a string literal. */
+ // Skip over a string literal
for (i--; i >= 0; i--)
if (rl_line_buffer[i] == '"'
&& ! (i - 1 >= 0
@@ -62,59 +72,108 @@ find_matching_paren(int k)
return -1;
}
-static void
-match_paren(int x, int k)
+static int
+match_paren (int x, int k)
{
int tmp;
- fd_set readset;
+ int fno;
+ SELECT_TYPE readset;
struct timeval timeout;
- rl_insert(x, k);
-
- /* Did we just insert a quoted paren? If so, then don't bounce. */
+ rl_insert (x, k);
+
+ // Did we just insert a quoted paren? If so, then don't bounce
if (rl_point - 1 >= 1
&& rl_line_buffer[rl_point - 2] == '\\')
- return;
+ return 0;
+
+ tmp = 500000;
+ timeout.tv_sec = tmp / 1000000;
+ timeout.tv_usec = tmp % 1000000;
+ FD_ZERO (&readset);
+ fno = fileno (rl_instream);
+ FD_SET (fno, &readset);
- timeout.tv_sec = 0;
- timeout.tv_usec = 500000;
- FD_ZERO(&readset);
- FD_SET(fileno(rl_instream), &readset);
-
- if(rl_point > 1) {
- tmp = rl_point;
- rl_point = find_matching_paren(k);
- if(rl_point > -1) {
- rl_redisplay();
- // scm_internal_select(1, &readset, NULL, NULL, &timeout);
+ if (rl_point > 1)
+ {
+ tmp = rl_point;
+ rl_point = find_matching_paren (k);
+ if (rl_point > -1)
+ {
+ rl_redisplay ();
+ scm_std_select (fno + 1, &readset, NULL, NULL, &timeout);
+ }
+ rl_point = tmp;
}
- rl_point = tmp;
- }
+ return 0;
}
+void
+ctrl_c_handler (int signum)
+{
+ printf ("ERROR: User interrupt\nABORT: (signal)\n");
+ ctrl_c = 1;
+}
+
static void
init_gacela_client ()
{
- /* init bouncing parens */
- rl_bind_key(')', match_paren);
- rl_bind_key(']', match_paren);
- rl_bind_key('}', match_paren);
+ struct sigaction new_action;
+
+ // init bouncing parens
+ rl_bind_key (')', match_paren);
+ rl_bind_key (']', match_paren);
+ rl_bind_key ('}', match_paren);
+
+ // SIGINT
+ new_action.sa_handler = ctrl_c_handler;
+ sigemptyset (&new_action.sa_mask);
+ new_action.sa_flags = 0;
+
+ sigaction (SIGINT, &new_action, NULL);
}
void
-gacela_client (void)
+gacela_client (SCM rec_channel, SCM send_channel)
{
+ int n;
+ SCM buffer;
char *line;
+ char *history_path;
+
+ // Command line
+ asprintf (&history_path, "%s/.gacela_history", getenv("HOME"));
init_gacela_client ();
+ read_history (history_path);
while (1) {
- line = readline ("gacela>");
- printf ("%s\n", line);
+ line = readline ("gacela> ");
+ ctrl_c = 0;
+ if (!line) break;
if (line && *line)
- add_history (line);
+ {
+ add_history (line);
+ scm_write (scm_from_locale_string ("("), send_channel);
+ scm_write (scm_from_locale_string (line), send_channel);
+ scm_write (scm_from_locale_string (")"), send_channel);
+
+ while (scm_char_ready_p (rec_channel) == SCM_BOOL_F) {
+ if (ctrl_c) break;
+ sleep (1);
+ }
+ if (ctrl_c)
+ ctrl_c = 0;
+ else {
+ buffer = scm_read_line (rec_channel);
+ printf ("%s\n", scm_to_locale_string (buffer));
+ }
+ }
free (line);
}
+
+ write_history (history_path);
+ free (history_path);
}
static void*
@@ -126,8 +185,6 @@ init_gacela (void *data, int argc, char **argv)
scm_c_eval_string ("(activate-readline)");
scm_c_eval_string ("(use-modules (ice-9 optargs))");
scm_c_eval_string ("(use-modules (ice-9 receive))");
- scm_c_eval_string ("(use-modules (ice-9 threads))");
- scm_c_eval_string ("(read-enable 'case-insensitive)");
// Bindings for C functions and structs
SDL_register_functions (NULL);
@@ -147,13 +204,111 @@ load_scheme_files (char *path)
scm_primitive_load_path (scm_from_locale_string ("gacela_loader.scm"));
}
+void
+start_single (char *working_path)
+{
+ char *argv = "guile";
+
+ scm_with_guile (&init_gacela, NULL);
+ load_scheme_files (working_path);
+ scm_shell (1, &argv);
+}
+
+void
+start_server (char *working_path, int port)
+{
+ char start_server[100];
+
+ scm_with_guile (&init_gacela, NULL);
+ load_scheme_files (working_path);
+ sprintf (start_server, "(start-server %d)", port);
+ scm_c_eval_string (start_server);
+}
+
+void
+start_local_server (char *working_path, SCM pipes)
+{
+ char start_server[100];
+
+ scm_with_guile (&init_gacela, NULL);
+ load_scheme_files (working_path);
+ scm_c_define ("pipes", pipes);
+ scm_c_eval_string ("(start-server pipes)");
+}
+/*
+void
+start_remote_client (char *hostname, int port)
+{
+ int sockfd;
+ struct hostent *server;
+ struct sockaddr_in serv_addr;
+
+ // Connect to the server
+ sockfd = socket (AF_INET, SOCK_STREAM, 0);
+ server = gethostbyname (hostname);
+ bzero ((char *) &serv_addr, sizeof (serv_addr));
+ serv_addr.sin_family = AF_INET;
+ bcopy ((char *)server->h_addr, (char *)&serv_addr.sin_addr.s_addr, server->h_length);
+ serv_addr.sin_port = htons (port);
+ if (connect (sockfd, (struct sockaddr *) &serv_addr, sizeof (serv_addr)) == -1) {
+ printf ("%s [%d.%d.%d.%d] %d: Connection refused\n", hostname, server->h_addr[0], server->h_addr[1], server->h_addr[2], server->h_addr[3], port);
+ }
+ else {
+ gacela_client (sockfd, sockfd);
+ close (sockfd);
+ }
+}
+*/
int
main (int argc, char *argv[])
{
- /*
- scm_with_guile (&init_gacela, NULL);
- load_scheme_files (dirname (argv[0]));
- scm_shell (argc, argv);
- */
- gacela_client ();
+ char *arg;
+ int mode = 0; // shell: 1, server: 2, client: 3
+ char *host;
+ int port = 0;
+ int i;
+ SCM pipes;
+ int pid;
+
+ // Checking arguments
+ for (i = 1; i < argc; i++) {
+ if (strcmp (argv[i], "--shell-mode") == 0)
+ mode = 1;
+ else if (strncmp (argv[i], "--server", 8) == 0) {
+ mode = 2;
+ arg = strtok (argv[i], "=");
+ arg = strtok (NULL, "=");
+ if (arg != NULL)
+ port = atoi (arg);
+ }
+ else if (strncmp (argv[i], "--client", 8) == 0) {
+ mode = 3;
+ arg = strtok (argv[i], "=");
+ arg = strtok (NULL, "=");
+ if (arg != NULL) {
+ host = strtok (arg, ":");
+ arg = strtok (NULL, ":");
+ if (arg != NULL)
+ port = atoi (arg);
+ }
+ }
+ }
+
+ scm_init_guile ();
+
+ if (mode == 1)
+ start_single (dirname (argv[0]));
+ else if (mode == 2 && port != 0)
+ start_server (dirname (argv[0]), port);
+ else if (mode == 3 && port != 0)
+ //start_remote_client (host, port);
+ return;
+ else {
+ pipes = scm_pipe ();
+ pid = fork ();
+ if (pid == 0)
+ start_local_server (dirname (argv[0]), pipes);
+ else
+ gacela_client (SCM_CAR (pipes), SCM_CDR (pipes));
+ }
}