diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/mrbc/mrbc.c | 256 |
1 files changed, 160 insertions, 96 deletions
diff --git a/tools/mrbc/mrbc.c b/tools/mrbc/mrbc.c index b42ca2234..7cfee6eaf 100644 --- a/tools/mrbc/mrbc.c +++ b/tools/mrbc/mrbc.c @@ -14,12 +14,13 @@ void mrb_show_copyright(mrb_state *); void parser_dump(mrb_state*, struct mrb_ast_node*, int); void codedump_all(mrb_state*, int); -struct _args { - FILE *rfp; - FILE *wfp; - char *filename; - char *initname; - char *ext; +struct mrbc_args { + int argc; + char **argv; + int idx; + const char *prog; + const char *outfile; + const char *initname; mrb_bool check_syntax : 1; mrb_bool verbose : 1; mrb_bool debug_info : 1; @@ -65,42 +66,45 @@ get_outfilename(mrb_state *mrb, char *infile, char *ext) } static int -parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args) +parse_args(mrb_state *mrb, int argc, char **argv, struct mrbc_args *args) { - char *infile = NULL; char *outfile = NULL; - char **origargv = argv; - int result = EXIT_SUCCESS; - static const struct _args args_zero = { 0 }; + static const struct mrbc_args args_zero = { 0 }; + int i; *args = args_zero; - args->ext = RITEBIN_EXT; + args->argc = argc; + args->argv = argv; + args->prog = argv[0]; - for (argc--,argv++; argc > 0; argc--,argv++) { - if (**argv == '-') { - if (strlen(*argv) == 1) { - args->filename = infile = "-"; - args->rfp = stdin; - break; - } - - switch ((*argv)[1]) { + for (i=1; i<argc; i++) { + if (argv[i][0] == '-') { + switch ((argv[i])[1]) { case 'o': - if (outfile) { - printf("%s: An output file is already specified. (%s)\n", - *origargv, outfile); - result = EXIT_FAILURE; - goto exit; + 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, ""); } - outfile = get_outfilename(mrb, (*argv) + 2, ""); break; case 'B': - args->ext = C_EXT; - args->initname = (*argv) + 2; + if (argv[i][2] == '\0' && argv[i+1]) { + i++; + args->initname = argv[i]; + } + else { + args->initname = argv[i]+2; + } if (*args->initname == '\0') { - printf("%s: Function name is not specified.\n", *origargv); - result = EXIT_FAILURE; - goto exit; + fprintf(stderr, "%s: function name is not specified.\n", args->prog); + return -1; } break; case 'c': @@ -114,79 +118,124 @@ parse_args(mrb_state *mrb, int argc, char **argv, struct _args *args) args->debug_info = 1; break; case '-': - if (strcmp((*argv) + 2, "version") == 0) { + 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) + 2, "verbose") == 0) { + else if (strcmp(argv[i] + 2, "verbose") == 0) { args->verbose = 1; break; } - else if (strcmp((*argv) + 2, "copyright") == 0) { + else if (strcmp(argv[i] + 2, "copyright") == 0) { mrb_show_copyright(mrb); exit(EXIT_SUCCESS); } - result = EXIT_FAILURE; - goto exit; + return -1; default: - break; + return i; } } - 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; - } + else { + break; } } + return i; +} + +static void +cleanup(mrb_state *mrb, struct mrbc_args *args) +{ + if (args->outfile) + mrb_free(mrb, (void*)args->outfile); + mrb_close(mrb); +} + +static int +partial_hook(struct mrb_parser_state *p) +{ + mrbc_context *c = p->cxt; + struct mrbc_args *args = (struct mrbc_args *)c->partial_data; - if (infile == NULL) { - result = EXIT_FAILURE; - goto exit; + if (p->f) fclose(p->f); + if (args->idx >= args->argc) { + p->f = NULL; + return -1; } - if (!args->check_syntax) { - if (outfile == NULL) { - if (strcmp("-", infile) == 0) { - outfile = infile; - } - else { - outfile = get_outfilename(mrb, 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 = EXIT_FAILURE; - goto exit; - } + mrbc_filename(p->mrb, c, args->argv[args->idx++]); + p->f = fopen(c->filename, "r"); + if (p->f == NULL) { + fprintf(stderr, "%s: cannot open program file. (%s)\n", args->prog, c->filename); + return -1; + } + p->filename = c->filename; + p->lineno = 1; + return 0; +} + +static int +load_file(mrb_state *mrb, struct mrbc_args *args) +{ + mrbc_context *c; + mrb_value result; + char *input = args->argv[args->idx]; + FILE *infile; + + c = mrbc_context_new(mrb); + if (args->verbose) + c->dump_result = 1; + c->no_exec = 1; + if (input[0] == '-' && input[1] == '\0') { + infile = stdin; + } + else if ((infile = fopen(input, "r")) == NULL) { + fprintf(stderr, "%s: cannot open program file. (%s)\n", args->prog, input); + return EXIT_FAILURE; + } + mrbc_filename(mrb, c, input); + args->idx++; + if (args->idx < args->argc) { + mrbc_partial_hook(mrb, c, partial_hook, (void*)args); } -exit: - if (outfile && infile != outfile) mrb_free(mrb, outfile); - return result; + result = mrb_load_file_cxt(mrb, infile, c); + if (mrb_undef_p(result) || mrb_fixnum(result) < 0) { + mrbc_context_free(mrb, c); + return EXIT_FAILURE; + } + mrbc_context_free(mrb, c); + return EXIT_SUCCESS; } -static void -cleanup(mrb_state *mrb, struct _args *args) +static int +dump_file(mrb_state *mrb, FILE *wfp, const char *outfile, struct mrbc_args *args) { - if (args->rfp) - fclose(args->rfp); - if (args->wfp) - fclose(args->wfp); - mrb_close(mrb); + int n = MRB_DUMP_OK; + + if (args->initname) { + n = mrb_dump_irep_cfunc(mrb, 0, args->debug_info, wfp, args->initname); + if (n == MRB_DUMP_INVALID_ARGUMENT) { + fprintf(stderr, "%s: invalid C language symbol name\n", args->initname); + } + } + else { + n = mrb_dump_irep_binary(mrb, 0, args->debug_info, wfp); + } + if (n != MRB_DUMP_OK) { + fprintf(stderr, "%s: error in mrb dump (%s) %d\n", args->prog, outfile, n); + } + return n; } int main(int argc, char **argv) { mrb_state *mrb = mrb_open(); - int n = -1; - struct _args args; - mrbc_context *c; - mrb_value result; + int n, result; + struct mrbc_args args; + FILE *wfp; if (mrb == NULL) { fputs("Invalid mrb_state, exiting mrbc\n", stderr); @@ -194,39 +243,54 @@ main(int argc, char **argv) } n = parse_args(mrb, argc, argv, &args); - if (n == EXIT_FAILURE || args.rfp == NULL) { + if (n < 0) { cleanup(mrb, &args); usage(argv[0]); - return n; + return EXIT_FAILURE; + } + if (n == argc) { + fprintf(stderr, "%s: no program file given\n", args.prog); + return EXIT_FAILURE; + } + if (args.outfile == NULL) { + if (n + 1 == argc) { + args.outfile = get_outfilename(mrb, argv[n], args.initname ? C_EXT : RITEBIN_EXT); + } + else { + fprintf(stderr, "%s: output file should be specified to compile multiple files\n", args.prog); + return EXIT_FAILURE; + } } - c = mrbc_context_new(mrb); - if (args.verbose) - c->dump_result = 1; - c->no_exec = 1; - c->filename = args.filename; - result = mrb_load_file_cxt(mrb, args.rfp, c); - if (mrb_undef_p(result) || mrb_fixnum(result) < 0) { + args.idx = n; + if (load_file(mrb, &args) == EXIT_FAILURE) { cleanup(mrb, &args); return EXIT_FAILURE; } if (args.check_syntax) { - puts("Syntax OK"); + printf("%s:%s:Syntax OK", args.prog, argv[n]); + } + + if (args.check_syntax) { cleanup(mrb, &args); return EXIT_SUCCESS; } - if (args.initname) { - n = mrb_dump_irep_cfunc(mrb, n, args.debug_info, args.wfp, args.initname); - if (n == MRB_DUMP_INVALID_ARGUMENT) { - printf("%s: Invalid C language symbol name\n", args.initname); + + if (args.outfile) { + if (strcmp("-", args.outfile) == 0) { + wfp = stdout; + } + else if ((wfp = fopen(args.outfile, "w")) == NULL) { + fprintf(stderr, "%s: cannot open output file:(%s)\n", args.prog, args.outfile); return EXIT_FAILURE; } } - else { - n = mrb_dump_irep_binary(mrb, n, args.debug_info, args.wfp); - } - + result = dump_file(mrb, wfp, args.outfile, &args); + fclose(wfp); cleanup(mrb, &args); + if (result != MRB_DUMP_OK) { + return EXIT_FAILURE; + } return EXIT_SUCCESS; } |
