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annotate src/list.c @ 47:804d7465e0f9

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Implemented ORG and fixed problems with constants using $, &, or @ to specify base
author lost
date Sun, 04 Jan 2009 07:25:03 +0000
parents be459d69f481
children 21ae0fab469b
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1 /*
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2 list.c
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3 Copyright © 2009 William Astle
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4
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5 This file is part of LWASM.
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6
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7 LWASM is free software: you can redistribute it and/or modify it under the
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8 terms of the GNU General Public License as published by the Free Software
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9 Foundation, either version 3 of the License, or (at your option) any later
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10 version.
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11
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12 This program is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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15 more details.
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16
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17 You should have received a copy of the GNU General Public License along with
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18 this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 Contains code for displaying a program listings, etc.
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21 */
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22
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23 #define __list_c_seen__
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24
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25 #include <stdio.h>
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26 #include <stdlib.h>
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27
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28 #include "lwasm.h"
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29
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30 void lwasm_show_errors(asmstate_t *as)
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31 {
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32 lwasm_line_t *l;
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33 lwasm_error_t *e;
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34
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35 for (l = as -> lineshead; l; l = l -> next)
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36 {
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37 if (l -> err)
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38 {
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39 for (e = l -> err; e; e = e -> next)
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40 {
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41 fprintf(stderr, "ERROR: %s\n", e -> mess);
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42 }
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43 fprintf(stderr, "%s:%d: %s\n", l -> filename, l -> lineno, l -> text);
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44 }
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45 }
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46 }
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47
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48 void lwasm_list(asmstate_t *as)
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49 {
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50 FILE *lf;
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51 lwasm_line_t *l;
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52 int c;
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53 char *p;
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54
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55 if (as -> listfile[0] == '-' && as -> listfile[1] == '\0')
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56 lf = stdout;
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57 else
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58 {
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59 lf = fopen(as -> listfile, "w");
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60 if (!lf)
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61 {
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62 fprintf(stderr, "Unable to open list file '%s'. No listing will be generated: ", as -> listfile);
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63 perror("");
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64 goto showerr;
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65 }
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66 }
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67
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68 for (l = as -> lineshead; l; l = l -> next)
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69 {
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70 fprintf(lf, "%04X ", l -> codeaddr);
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71
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72 for (c = 0; c < l -> codelen && c < 5; c++)
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73 {
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74 fprintf(lf, "%02X", l -> bytes[c]);
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75 }
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76 while (c < 5)
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77 {
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78 fprintf(lf, " ");
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79 c++;
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80 }
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81 fprintf(lf, " %20.20s:%05d ", l -> filename, l -> lineno);
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82
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83 // print line here
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84 for (c = 0, p = l -> text; *p; c++, p++)
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85 {
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86 if (*p == '\t')
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87 {
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88 int c2;
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89 c2 = 8 - (c % 8);
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90 while (c2--) fputc(' ', lf);
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91 }
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92 else
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93 fputc(*p, lf);
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94 }
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95 fputc('\n', lf);
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96
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97 if (l -> codelen > 5)
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98 {
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99 fprintf(lf, " ");
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100 for (c = 5; c < l -> codelen; c++)
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101 {
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102 if (!(c % 5) && c != 5)
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103 {
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104 fprintf(lf, "\n ");
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105 }
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106 fprintf(lf, "%02X", l -> bytes[c]);
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107 }
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108 fputc('\n', lf);
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109 }
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110 }
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111 if (lf != stdout)
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112 fclose(lf);
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113
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114 showerr:
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115 lwasm_show_errors(as);
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116 }