diff options
Diffstat (limited to 'repl.c')
| -rw-r--r-- | repl.c | 62 |
1 files changed, 57 insertions, 5 deletions
@@ -1,23 +1,75 @@ #include <stdio.h> #include <stdlib.h> +#include <string.h> +#ifndef _MSC_VER + #include <errno.h> + #include <unistd.h> +#endif #include "s7.h" +#ifndef _MSC_VER +static char *realdir(const char *filename) +{ + char *path; + char *p; + + if (!strchr(filename, '/')) + { + char *pwd; + if (access("libc_s7.so", F_OK) != 0) + { + fprintf(stderr, "%s needs libc_s7.so (give the explicit pathname)\n", filename); /* env PATH=/home/bil/cl repl */ + exit(2); + } + return(NULL); /* we're in the libc_s7.so directory, I hope (user could start a version of s7 that does not match the local libc_s7.so...) */ + } + if (!(path = realpath(filename, NULL))) + { + fprintf(stderr, "%s: %s\n", strerror(errno), filename); + exit(2); + } + if (!(p = strrchr(path, '/'))) + { + free(path); + fprintf(stderr, "please provide the full pathname for %s\n", filename); + exit(2); + } + if (p > path) *p = '\0'; else p[1] = 0; + return(path); +} +#endif + int main(int argc, char **argv) { s7_scheme *sc; + sc = s7_init(); + /* fprintf(stderr, "s7: %s\n", S7_DATE); */ if (argc == 2) { fprintf(stderr, "load %s\n", argv[1]); - if (!s7_load(sc, argv[1])) - fprintf(stderr, "can't find %s\n", argv[1]); /* it could also be a directory */ + s7_load(sc, argv[1]); } - else + else { - s7_load(sc, "repl.scm"); - s7_eval_c_string(sc, "((*repl* 'run))"); +#ifdef _MSC_VER + dumb_repl(sc); +#else +#ifdef S7_LOAD_PATH + s7_add_to_load_path(sc, S7_LOAD_PATH); +#else + char *dir; + dir = realdir(argv[0]); + if (dir) + { + s7_add_to_load_path(sc, dir); + free(dir); + } +#endif + s7_repl(sc); +#endif } return(0); } |