Mercurial > hg-old > index.cgi
annotate lwasm/main.c @ 364:0b5a26bedbe1
Pass framework simplified; skeleton pass 3
| author | lost@starbug |
|---|---|
| date | Tue, 06 Apr 2010 21:35:09 -0600 |
| parents | d96c30e60ddf |
| children | 6a98cc90c14f |
| rev | line source |
|---|---|
| 323 | 1 /* |
| 2 main.c | |
| 3 | |
| 4 Copyright © 2010 William Astle | |
| 5 | |
| 6 This file is part of LWTOOLS. | |
| 7 | |
| 8 LWTOOLS is free software: you can redistribute it and/or modify it under the | |
| 9 terms of the GNU General Public License as published by the Free Software | |
| 10 Foundation, either version 3 of the License, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 This program is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 16 more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License along with | |
| 19 this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 */ | |
| 21 | |
| 22 #include <config.h> | |
| 23 | |
| 24 #include <argp.h> | |
| 25 #include <stdio.h> | |
| 26 #include <stdlib.h> | |
| 27 | |
| 329 | 28 #include <lw_alloc.h> |
| 325 | 29 #include <lw_string.h> |
| 30 #include <lw_stringlist.h> | |
| 335 | 31 #include <lw_expr.h> |
| 325 | 32 |
| 323 | 33 #include "lwasm.h" |
| 330 | 34 #include "input.h" |
| 323 | 35 |
| 352 | 36 extern int parse_pragma_string(asmstate_t *as, char *str, int ignoreerr); |
| 325 | 37 |
| 323 | 38 /* command line option handling */ |
| 39 const char *argp_program_version = "lwasm from " PACKAGE_STRING; | |
| 40 const char *argp_program_bug_address = PACKAGE_BUGREPORT; | |
| 41 char *program_name; | |
| 42 | |
| 43 static struct argp_option options[] = | |
| 44 { | |
| 45 { "output", 'o', "FILE", 0, "Output to FILE"}, | |
| 46 { "debug", 'd', 0, 0, "Set debug mode"}, | |
| 47 { "format", 'f', "TYPE", 0, "Select output format: decb, raw, obj, os9"}, | |
| 48 { "list", 'l', "FILE", OPTION_ARG_OPTIONAL, "Generate list [to FILE]"}, | |
| 49 { "decb", 'b', 0, 0, "Generate DECB .bin format output, equivalent of --format=decb"}, | |
| 50 { "raw", 'r', 0, 0, "Generate raw binary format output, equivalent of --format=raw"}, | |
| 51 { "obj", 0x100, 0, 0, "Generate proprietary object file format for later linking, equivalent of --format=obj" }, | |
| 52 { "depend", 0x101, 0, 0, "Output a dependency list to stdout; do not do any actual output though assembly is completed as usual" }, | |
| 53 { "pragma", 'p', "PRAGMA", 0, "Set an assembler pragma to any value understood by the \"pragma\" pseudo op"}, | |
| 54 { "6809", '9', 0, 0, "Set assembler to 6809 only mode" }, | |
| 55 { "6309", '3', 0, 0, "Set assembler to 6309 mode (default)" }, | |
| 56 { "includedir", 'I', "PATH", 0, "Add entry to include path" }, | |
| 57 { 0 } | |
| 58 }; | |
| 59 | |
| 60 | |
| 61 static error_t parse_opts(int key, char *arg, struct argp_state *state) | |
| 62 { | |
| 63 asmstate_t *as = state -> input; | |
| 64 | |
| 65 switch (key) | |
| 66 { | |
| 67 case 'I': | |
| 325 | 68 lw_stringlist_addstring(as -> include_list, arg); |
| 69 break; | |
| 70 | |
| 323 | 71 case 'o': |
| 325 | 72 if (as -> output_file) |
| 73 lw_free(as -> output_file); | |
| 74 as -> output_file = lw_strdup(arg); | |
| 75 break; | |
| 76 | |
| 323 | 77 case 'd': |
| 78 as -> debug_level++; | |
| 79 break; | |
| 80 | |
| 81 case 'l': | |
| 325 | 82 if (as -> list_file) |
| 83 lw_free(as -> list_file); | |
| 84 if (!arg) | |
| 85 as -> list_file = NULL; | |
| 86 else | |
| 87 as -> list_file = lw_strdup(arg); | |
| 88 as -> flags |= FLAG_LIST; | |
| 89 break; | |
| 90 | |
| 323 | 91 case 'b': |
| 92 as -> output_format = OUTPUT_DECB; | |
| 93 break; | |
| 94 | |
| 95 case 'r': | |
| 96 as -> output_format = OUTPUT_RAW; | |
| 97 break; | |
| 98 | |
| 99 case 0x100: | |
| 100 as -> output_format = OUTPUT_OBJ; | |
| 101 break; | |
| 102 | |
| 103 case 0x101: | |
| 325 | 104 as -> flags |= FLAG_DEPEND; |
| 105 break; | |
| 106 | |
| 323 | 107 case 'f': |
| 108 if (!strcasecmp(arg, "decb")) | |
| 109 as -> output_format = OUTPUT_DECB; | |
| 110 else if (!strcasecmp(arg, "raw")) | |
| 111 as -> output_format = OUTPUT_RAW; | |
| 112 else if (!strcasecmp(arg, "obj")) | |
| 113 as -> output_format = OUTPUT_OBJ; | |
| 114 else if (!strcasecmp(arg, "os9")) | |
| 115 { | |
| 325 | 116 as -> pragmas |= PRAGMA_DOLLARNOTLOCAL; |
| 323 | 117 as -> output_format = OUTPUT_OS9; |
| 118 } | |
| 119 else | |
| 120 { | |
| 121 fprintf(stderr, "Invalid output format: %s\n", arg); | |
| 122 exit(1); | |
| 123 } | |
| 124 break; | |
| 125 | |
| 126 case 'p': | |
| 352 | 127 if (parse_pragma_string(as, arg, 0) == 0) |
| 325 | 128 { |
| 129 fprintf(stderr, "Unrecognized pragma string: %s\n", arg); | |
| 130 exit(1); | |
| 131 } | |
| 132 break; | |
| 133 | |
| 323 | 134 case '9': |
| 135 as -> target = TARGET_6809; | |
| 136 break; | |
| 137 | |
| 138 case '3': | |
| 139 as -> target = TARGET_6309; | |
| 140 break; | |
| 141 | |
| 142 case ARGP_KEY_END: | |
| 143 break; | |
| 144 | |
| 145 case ARGP_KEY_ARG: | |
| 325 | 146 lw_stringlist_addstring(as -> input_files, arg); |
| 323 | 147 break; |
| 148 | |
| 149 default: | |
| 150 return ARGP_ERR_UNKNOWN; | |
| 151 } | |
| 152 return 0; | |
| 153 } | |
| 154 | |
| 155 static struct argp argp = | |
| 156 { | |
| 157 options, | |
| 158 parse_opts, | |
| 159 "<input file>", | |
| 160 "LWASM, a HD6309 and MC6809 cross-assembler" | |
| 161 }; | |
| 162 | |
| 163 /* | |
| 164 main function; parse command line, set up assembler state, and run the | |
| 165 assembler on the first file | |
| 166 */ | |
| 332 | 167 extern void do_pass1(asmstate_t *as); |
|
363
d96c30e60ddf
Added pass2 and various supporting logic including symbol lookups
lost@starbug
parents:
352
diff
changeset
|
168 extern void do_pass2(asmstate_t *as); |
| 364 | 169 extern void do_pass3(asmstate_t *as); |
|
346
a82c55070624
Added expression parsing infrastructure and misc fixes
lost@starbug
parents:
345
diff
changeset
|
170 extern lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv); |
|
a82c55070624
Added expression parsing infrastructure and misc fixes
lost@starbug
parents:
345
diff
changeset
|
171 extern lw_expr_t lwasm_evaluate_var(char *var, void *priv); |
|
a82c55070624
Added expression parsing infrastructure and misc fixes
lost@starbug
parents:
345
diff
changeset
|
172 extern lw_expr_t lwasm_parse_term(char **p, void *priv); |
| 364 | 173 |
| 174 struct passlist_s | |
| 175 { | |
| 176 char *passname; | |
| 177 void (*fn)(asmstate_t *as); | |
| 178 } passlist[] = { | |
| 179 { "parse", do_pass1 }, | |
| 180 { "symcheck", do_pass2 }, | |
| 181 { "resolve1", do_pass3 }, | |
| 182 { NULL, NULL } | |
| 183 }; | |
| 184 | |
| 323 | 185 int main(int argc, char **argv) |
| 186 { | |
| 364 | 187 int passnum; |
| 188 | |
| 323 | 189 /* assembler state */ |
| 190 asmstate_t asmstate = { 0 }; | |
| 325 | 191 program_name = argv[0]; |
| 323 | 192 |
| 337 | 193 lw_expr_set_special_handler(lwasm_evaluate_special); |
| 194 lw_expr_set_var_handler(lwasm_evaluate_var); | |
| 195 | |
| 325 | 196 /* initialize assembler state */ |
| 329 | 197 asmstate.include_list = lw_stringlist_create(); |
| 325 | 198 asmstate.input_files = lw_stringlist_create(); |
|
345
7416c3f9c321
Basic macro processor ported forward; added context break handling for local symbols
lost@starbug
parents:
342
diff
changeset
|
199 asmstate.nextcontext = 1; |
| 325 | 200 |
| 201 /* parse command line arguments */ | |
| 323 | 202 argp_parse(&argp, argc, argv, 0, 0, &asmstate); |
| 203 | |
| 328 | 204 if (!asmstate.output_file) |
| 205 { | |
| 206 asmstate.output_file = lw_strdup("a.out"); | |
| 207 } | |
| 208 | |
| 330 | 209 input_init(&asmstate); |
| 210 | |
| 364 | 211 for (passnum = 0; passlist[passnum].fn; passnum++) |
|
363
d96c30e60ddf
Added pass2 and various supporting logic including symbol lookups
lost@starbug
parents:
352
diff
changeset
|
212 { |
| 364 | 213 fprintf(stderr, "Doing pass %d (%s)\n", passnum, passlist[passnum].passname); |
| 214 (passlist[passnum].fn)(&asmstate); | |
| 215 | |
| 216 if (asmstate.errorcount > 0) | |
| 217 { | |
| 218 lwasm_show_errors(&asmstate); | |
| 219 exit(1); | |
| 220 } | |
|
363
d96c30e60ddf
Added pass2 and various supporting logic including symbol lookups
lost@starbug
parents:
352
diff
changeset
|
221 } |
| 323 | 222 } |