enum { ZVERSION = 11, ZORKID, ZSERIAL };
+enum { FAIL = -1, OK = 0, NEED_RESTART = 1 };
+
static struct option const long_options[] =
{
{ "help", no_argument, NULL, 'h' },
{ NULL, 0, NULL, 0 }
};
+typedef struct
+{
+ int todo;
+} Opcode_dict;
+
struct
{
int zversion; /* 0 - 8 */
int zorkid; /* 0 - 65535 */
char zserial[7]; /* YYMMDD */
+ Opcode_dict *opcode_dict;
} Config;
void wrong_arg(const char *err, ...)
"--version Display program version and exit\n"
"--help Display this help\n"
"\n"
- "--zversion (accepts numbers 1 - 8, defaults to 1 if not specified)\n"
+ "--zversion (accepts numbers 1 - 8, defaults to 6 if not specified)\n"
"--zorkid (integer between 0 and 65535, defaults to 0 if not specified)\n"
"--serial (six characters of ASCII, defaults to current date\n"
" in the form YYMMDD if not specified)\n"
char *p = optarg;
while (*p && isalnum(*p))
p++;
- if (!*p) /* ..optarg contains alphanumeric only? */
+ if (!*p) /* ..optarg contains alphanumeric only? */
{
strncpy(Config.zserial, optarg, sizeof(Config.zserial));
return;
wrong_arg("Wrong zserial value %s, must be 6 ascii characters\n", optarg);
}
+void new_file_suffix(char *result, size_t maxlen, const char *src, const char *newsuffix)
+{
+ strncpy(result, src, maxlen);
+ char *p = strrchr(result, '.');
+ if (p && strchr(p, '/'))
+ p = NULL;
+ if (p)
+ {
+ strncpy(p, newsuffix, maxlen - (p - result));
+ }
+ else
+ {
+ strncat(result, newsuffix, maxlen);
+ }
+ result[maxlen] = 0;
+}
+
+char *build_output_filename(const char basename[], const char *suffix)
+{
+ int n = strlen(basename) + strlen(suffix);
+ char *ofile = malloc(n + 1); /* todo!!! check for NULL. free. */
+ new_file_suffix(ofile, n, basename, suffix);
+ return ofile;
+}
+
+void build_opcode_dict(void)
+{
+ /* TODO */
+}
+
+int init_assembly(void)
+{
+ /* TODO */
+ return OK;
+}
+
+int assembly(void)
+{
+ /* TODO */
+ return OK;
+}
+
int main(int argc, char *argv[], char *envp[])
{
const char *output_file = NULL;
}
}
+ int first_input_file = optind;
+ if (first_input_file >= argc)
+ wrong_arg("Missing input file\n");
+ if (!output_file)
+ output_file = build_output_filename(argv[first_input_file], ".dat");
+
// TODO: Everything :)
printf("Input files:\n");
for (i = optind; i < argc; i++)
printf("\t%s\n", argv[i]);
- printf("Output file: %s\n\n", output_file ? output_file : "MISSING");
+ printf("Output file: %s\n\n", output_file);
printf("Config:\n"
"- ZVersion: %d\n"
Config.zversion, Config.zorkid, Config.zserial
);
+ build_opcode_dict(); /* ..fills Config.opcode_dict */
+
+ while(init_assembly() == OK && assembly() == NEED_RESTART);
+
return 0;
}