diff options
| -rw-r--r-- | repl.c | 31 |
1 files changed, 30 insertions, 1 deletions
@@ -45,14 +45,42 @@ run (struct context *ctx, struct item *program) { static int init_readline (void) { rl_variable_bind ("blink-matching-paren", "on"); + rl_bind_key (TAB, rl_named_function ("possible-completions")); return 0; } +struct context ctx; + +static char ** +complete (const char *text, int start, int end) { + // Don't iterate over filenames and stuff + rl_attempted_completion_over = true; + + static char *buf[128]; + size_t n = 1, len = strlen (text); + for (struct item *item = ctx.variables; item; item = item->next) + if (n < 127 && !strncmp (item->head->value, text, len)) + buf[n++] = format ("%s", item->head->value); + for (struct native_fn *iter = ctx.native; iter; iter = iter->next) + if (n < 127 && !strncmp (iter->name, text, len)) + buf[n++] = format ("%s", iter->name); + if (n < 2) + return NULL; + + // This never actually completes anything, just shows the options, + // we'd have to figure out the longest common prefix + buf[0] = format ("%s", text); + + buf[n++] = NULL; + char **copy = malloc (sizeof *buf * n); + memcpy (copy, buf, sizeof *buf * n); + return copy; +} + int main (int argc, char *argv[]) { (void) argc; - struct context ctx; context_init (&ctx); if (!init_runtime_library (&ctx)) printf ("%s\n", "runtime library initialization failed"); @@ -61,6 +89,7 @@ main (int argc, char *argv[]) { const char *slash = strrchr (argv[0], '/'); rl_readline_name = slash ? ++slash : argv[0]; rl_startup_hook = init_readline; + rl_attempted_completion_function = complete; char *line; while ((line = readline ("> "))) { |