static int
parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
{
static const struct _args args_zero = { 0 };
*args = args_zero;
for (argc--,argv++; argc > 0; argc--,argv++) {
char *item;
if (argv[0][0] != '-') break;
item = argv[0] + 1;
switch (*item++) {
case 'v':
if (!args->verbose) mrb_show_version(mrb);
args->verbose = 1;
break;
case '-':
if (strcmp((*argv) + 2, "version") == 0) {
mrb_show_version(mrb);
exit(EXIT_SUCCESS);
}
else if (strcmp((*argv) + 2, "verbose") == 0) {
args->verbose = 1;
break;
}
else if (strcmp((*argv) + 2, "copyright") == 0) {
mrb_show_copyright(mrb);
exit(EXIT_SUCCESS);
}
default:
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}
static int
parse_args(mrb_state *mrb, int argc, char **argv, struct mrbc_args *args)
{
char *outfile = NULL;
static const struct mrbc_args args_zero = { 0 };
int i;
*args = args_zero;
args->argc = argc;
args->argv = argv;
args->prog = argv[0];
for (i=1; i<argc; i++) {
if (argv[i][0] == '-') {
switch ((argv[i])[1]) {
case 'o':
if (args->outfile) {
fprintf(stderr, "%s: an output file is already specified. (%s)\n",
args->prog, outfile);
return -1;
}
if (argv[i][2] == '\0' && argv[i+1]) {
i++;
args->outfile = get_outfilename(mrb, argv[i], "");
}
else {
args->outfile = get_outfilename(mrb, argv[i] + 2, "");
}
break;
case 'B':
if (argv[i][2] == '\0' && argv[i+1]) {
i++;
args->initname = argv[i];
}
else {
args->initname = argv[i]+2;
}
if (*args->initname == '\0') {
fprintf(stderr, "%s: function name is not specified.\n", args->prog);
return -1;
}
break;
case 'c':
args->check_syntax = 1;
break;
case 'v':
if (!args->verbose) mrb_show_version(mrb);
args->verbose = 1;
break;
case 'g':
args->debug_info = 1;
break;
case '-':
if (argv[i][1] == '\n') {
return i;
}
if (strcmp(argv[i] + 2, "version") == 0) {
mrb_show_version(mrb);
exit(EXIT_SUCCESS);
}
else if (strcmp(argv[i] + 2, "verbose") == 0) {
args->verbose = 1;
break;
}
else if (strcmp(argv[i] + 2, "copyright") == 0) {
mrb_show_copyright(mrb);
exit(EXIT_SUCCESS);
}
return -1;
default:
return i;
}
}
else {
break;
}
}
return i;
}
static int
parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
{
char **origargv = argv;
static const struct _args args_zero = { 0 };
*args = args_zero;
for (argc--,argv++; argc > 0; argc--,argv++) {
char *item;
if (argv[0][0] != '-') break;
if (strlen(*argv) <= 1) {
argc--; argv++;
args->rfp = stdin;
break;
}
item = argv[0] + 1;
switch (*item++) {
case 'b':
args->mrbfile = 1;
break;
case 'c':
args->check_syntax = 1;
break;
case 'e':
if (item[0]) {
goto append_cmdline;
}
else if (argc > 1) {
argc--; argv++;
item = argv[0];
append_cmdline:
if (!args->cmdline) {
char *buf;
buf = (char *)mrb_malloc(mrb, strlen(item)+1);
strcpy(buf, item);
args->cmdline = buf;
}
else {
args->cmdline = (char *)mrb_realloc(mrb, args->cmdline, strlen(args->cmdline)+strlen(item)+2);
strcat(args->cmdline, "\n");
strcat(args->cmdline, item);
}
}
else {
printf("%s: No code specified for -e\n", *origargv);
return 0;
}
break;
case 'v':
mrb_show_version(mrb);
args->verbose = 1;
break;
case '-':
if (strcmp((*argv) + 2, "version") == 0) {
mrb_show_version(mrb);
exit(0);
}
else if (strcmp((*argv) + 2, "verbose") == 0) {
args->verbose = 1;
break;
}
else if (strcmp((*argv) + 2, "copyright") == 0) {
mrb_show_copyright(mrb);
exit(0);
}
else return -3;
return 0;
default:
return -4;
}
}
if (args->rfp == NULL && args->cmdline == NULL) {
if (*argv == NULL) args->rfp = stdin;
else {
args->rfp = fopen(argv[0], args->mrbfile ? "rb" : "r");
if (args->rfp == NULL) {
printf("%s: Cannot open program file. (%s)\n", *origargv, *argv);
return 0;
}
args->fname = 1;
args->cmdline = argv[0];
argc--; argv++;
}
}
args->argv = (char **)mrb_realloc(mrb, args->argv, sizeof(char*) * (argc + 1));
memcpy(args->argv, argv, (argc+1) * sizeof(char*));
args->argc = argc;
return 0;
}
static int
parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
{
char *infile = NULL;
char *outfile = NULL;
char **origargv = argv;
int result = 0;
static const struct _args args_zero = { 0 };
*args = args_zero;
args->ext = RITEBIN_EXT;
for (argc--,argv++; argc > 0; argc--,argv++) {
if (**argv == '-') {
if (strlen(*argv) == 1) {
args->filename = infile = "-";
args->rfp = stdin;
break;
}
switch ((*argv)[1]) {
case 'o':
if (outfile) {
printf("%s: An output file is already specified. (%s)\n",
*origargv, outfile);
result = -5;
goto exit;
}
outfile = get_outfilename((*argv) + 2, "");
break;
case 'B':
args->ext = C_EXT;
args->initname = (*argv) + 2;
if (*args->initname == '\0') {
printf("%s: Function name is not specified.\n", *origargv);
result = -2;
goto exit;
}
break;
case 'c':
args->check_syntax = 1;
break;
case 'v':
mrb_show_version(mrb);
args->verbose = 1;
break;
case '-':
if (strcmp((*argv) + 2, "version") == 0) {
mrb_show_version(mrb);
exit(0);
}
else if (strcmp((*argv) + 2, "verbose") == 0) {
args->verbose = 1;
break;
}
else if (strcmp((*argv) + 2, "copyright") == 0) {
mrb_show_copyright(mrb);
exit(0);
}
result = -3;
goto exit;
default:
break;
}
}
else if (args->rfp == NULL) {
args->filename = infile = *argv;
if ((args->rfp = fopen(infile, "r")) == NULL) {
printf("%s: Cannot open program file. (%s)\n", *origargv, infile);
goto exit;
}
}
}
if (infile == NULL) {
result = -4;
goto exit;
}
if (!args->check_syntax) {
if (outfile == NULL) {
if (strcmp("-", infile) == 0) {
outfile = infile;
}
else {
outfile = get_outfilename(infile, args->ext);
}
}
if (strcmp("-", outfile) == 0) {
args->wfp = stdout;
}
else if ((args->wfp = fopen(outfile, "wb")) == NULL) {
printf("%s: Cannot open output file. (%s)\n", *origargv, outfile);
result = -1;
goto exit;
}
}
exit:
if (outfile && infile != outfile) free(outfile);
return result;
}
static int
parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
{
char **origargv = argv;
static const struct _args args_zero = { 0 };
*args = args_zero;
for (argc--,argv++; argc > 0; argc--,argv++) {
char *item;
if (argv[0][0] != '-') break;
item = argv[0] + 1;
switch (*item++) {
case 'b':
args->mrbfile = TRUE;
break;
case 'd':
if (item[0]) {
goto append_srcpath;
}
else if (argc > 1) {
argc--; argv++;
item = argv[0];
append_srcpath:
if (!args->srcpath) {
size_t buflen;
char *buf;
buflen = strlen(item) + 1;
buf = (char *)mrb_malloc(mrb, buflen);
memcpy(buf, item, buflen);
args->srcpath = buf;
}
else {
size_t srcpathlen;
size_t itemlen;
srcpathlen = strlen(args->srcpath);
itemlen = strlen(item);
args->srcpath =
(char *)mrb_realloc(mrb, args->srcpath, srcpathlen + itemlen + 2);
args->srcpath[srcpathlen] = '\n';
memcpy(args->srcpath + srcpathlen + 1, item, itemlen + 1);
}
}
else {
printf("%s: No path specified for -d\n", *origargv);
return EXIT_SUCCESS;
}
break;
case '-':
if (strcmp((*argv) + 2, "version") == 0) {
mrb_show_version(mrb);
exit(EXIT_SUCCESS);
}
else if (strcmp((*argv) + 2, "copyright") == 0) {
mrb_show_copyright(mrb);
exit(EXIT_SUCCESS);
}
default:
return EXIT_FAILURE;
}
}
if (args->rfp == NULL) {
if (*argv == NULL) {
printf("%s: Program file not specified.\n", *origargv);
return EXIT_FAILURE;
}
else {
args->rfp = fopen(argv[0], args->mrbfile ? "rb" : "r");
if (args->rfp == NULL) {
printf("%s: Cannot open program file. (%s)\n", *origargv, *argv);
return EXIT_FAILURE;
}
args->fname = argv[0];
argc--; argv++;
}
}
args->argv = (char **)mrb_realloc(mrb, args->argv, sizeof(char*) * (argc + 1));
memcpy(args->argv, argv, (argc+1) * sizeof(char*));
args->argc = argc;
return EXIT_SUCCESS;
}
static int
parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
{
char *infile = NULL;
char *outfile = NULL;
char **origargv = argv;
memset(args, 0, sizeof(*args));
args->ext = RITEBIN_EXT;
for (argc--,argv++; argc > 0; argc--,argv++) {
if (**argv == '-') {
if (strlen(*argv) <= 1)
return -1;
switch ((*argv)[1]) {
case 'o':
outfile = get_outfilename((*argv) + 2, "");
break;
case 'B':
case 'C':
args->ext = C_EXT;
args->initname = (*argv) + 2;
if (*args->initname == '\0') {
printf("%s: Function name is not specified.\n", *origargv);
return -2;
}
args->dump_type = ((*argv)[1] == 'B') ? DUMP_TYPE_BIN : DUMP_TYPE_CODE;
break;
case 'c':
args->check_syntax = 1;
break;
case 'v':
mrb_show_version(mrb);
args->verbose = 1;
break;
case '-':
if (strcmp((*argv) + 2, "version") == 0) {
mrb_show_version(mrb);
exit(0);
}
else if (strcmp((*argv) + 2, "verbose") == 0) {
args->verbose = 1;
break;
}
else if (strcmp((*argv) + 2, "copyright") == 0) {
mrb_show_copyright(mrb);
exit(0);
}
else return -3;
return 0;
}
}
else if (args->rfp == NULL) {
infile = *argv;
if ((args->rfp = fopen(infile, "r")) == NULL) {
printf("%s: Cannot open program file. (%s)\n", *origargv, infile);
return 0;
}
}
}
if (infile == NULL)
return -4;
if (args->check_syntax)
return 0;
if (outfile == NULL)
outfile = get_outfilename(infile, args->ext);
if ((args->wfp = fopen(outfile, "wb")) == NULL) {
printf("%s: Cannot open output file. (%s)\n", *origargv, outfile);
return 0;
}
return 0;
}
static int
parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args)
{
char **origargv = argv;
memset(args, 0, sizeof(*args));
for (argc--,argv++; argc > 0; argc--,argv++) {
if (argv[0][0] != '-') break;
if (strlen(*argv) <= 1)
return -1;
switch ((*argv)[1]) {
case 'b':
args->mrbfile = 1;
break;
case 'c':
args->check_syntax = 1;
break;
case 'e':
if (argc > 1) {
argc--; argv++;
if (!args->cmdline) {
char *buf;
buf = mrb_malloc(mrb, strlen(argv[0])+1);
strcpy(buf, argv[0]);
args->cmdline = buf;
}
else {
args->cmdline = mrb_realloc(mrb, args->cmdline, strlen(args->cmdline)+strlen(argv[0])+2);
strcat(args->cmdline, "\n");
strcat(args->cmdline, argv[0]);
}
}
else {
printf("%s: No code specified for -e\n", *origargv);
return 0;
}
break;
case 'v':
mrb_show_version(mrb);
args->verbose = 1;
break;
case '-':
if (strcmp((*argv) + 2, "version") == 0) {
mrb_show_version(mrb);
exit(0);
}
else if (strcmp((*argv) + 2, "verbose") == 0) {
args->verbose = 1;
break;
}
else if (strcmp((*argv) + 2, "copyright") == 0) {
mrb_show_copyright(mrb);
exit(0);
}
else return -3;
return 0;
}
}
if (args->rfp == NULL && args->cmdline == NULL) {
if (*argv == NULL) args->rfp = stdin;
else if ((args->rfp = fopen(*argv, args->mrbfile ? "rb" : "r")) == NULL) {
printf("%s: Cannot open program file. (%s)\n", *origargv, *argv);
return 0;
}
}
args->argv = mrb_realloc(mrb, args->argv, sizeof(char*) * (argc + 1));
memcpy(args->argv, argv, (argc+1) * sizeof(char*));
args->argc = argc;
return 0;
}