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annotate lwasm/unicorns.c @ 294:048adfee2933 ccdev

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Checkpoint on lwcc-cpp development This checkpoint includes a tokenizer and basic implementation of #if, #ifdef, #ifndef, #else, #endif, #elif, and #undef along with basic symbol table management.
author William Astle <lost@l-w.ca>
date Tue, 10 Sep 2013 19:56:05 -0600
parents 164487152dd9
children
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1 /*
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2 unicorns.c
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3
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4 Copyright © 2012 William Astle
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5
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6 This file is part of LWTOOLS.
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7
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8 LWTOOLS is free software: you can redistribute it and/or modify it under the
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9 terms of the GNU General Public License as published by the Free Software
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10 Foundation, either version 3 of the License, or (at your option) any later
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11 version.
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12
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13 This program is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 more details.
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17
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18 You should have received a copy of the GNU General Public License along with
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19 this program. If not, see <http://www.gnu.org/licenses/>.
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20 */
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21
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22 /*
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23 This adds output to lwasm that is suitable for IDEs and other tools
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24 that are interesting in the doings of the assembler.
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25 */
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26
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27 #include <stdio.h>
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28 #include <string.h>
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29
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30 #include "input.h"
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31 #include "lwasm.h"
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32 #include "lw_alloc.h"
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33
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34 void do_list(asmstate_t *as);
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35
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36 static void print_urlencoding(FILE *stream, const char *string)
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37 {
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38 for ( ; *string; string++)
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39 {
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40 if (*string < 33 || *string > 126 || strchr("$&+,/:;=?@\"<>#%{}|\\^~[]`", *string))
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41 {
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42 fprintf(stream, "%%%02X", *string);
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43 }
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44 else
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45 {
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46 fputc(*string, stream);
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47 }
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48 }
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49 }
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50
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51 static void show_unicorn_error(FILE *fp, line_t *l, lwasm_error_t *ee, const char *tag)
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52 {
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53 fprintf(fp, "%s: lineno=%d,filename=", tag, l -> lineno);
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54 print_urlencoding(fp, l -> linespec);
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55 fputs(",message=", fp);
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56 print_urlencoding(fp, ee -> mess);
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57 if (ee -> charpos > 0)
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58 fprintf(fp, ",col=%d", ee -> charpos);
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59 fputc('\n', fp);
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60 }
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61
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62 void lwasm_do_unicorns(asmstate_t *as)
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63 {
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64 struct ifl *ifl;
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65 macrotab_t *me;
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66 structtab_t *se;
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67 int i;
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68 line_t *l;
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69 lwasm_error_t *ee;
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70
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71 /* output file list */
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72 for (ifl = ifl_head; ifl; ifl = ifl -> next)
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73 {
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74 fputs("RESOURCE: type=file,filename=", stdout);
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75 print_urlencoding(stdout, ifl -> fn);
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76 fputc('\n', stdout);
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77 }
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78
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79 /* output macro list */
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80 for (me = as -> macros; me; me = me -> next)
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81 {
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82 fprintf(stdout, "RESOURCE: type=macro,name=%s,lineno=%d,filename=", me -> name, me -> definedat -> lineno);
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83 print_urlencoding(stdout, me -> definedat -> linespec);
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84 fputs(",flags=", stdout);
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85 if (me -> flags & macro_noexpand)
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86 fputs("noexpand", stdout);
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87 fputs(",def=", stdout);
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88 for (i = 0; i < me -> numlines; i++)
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89 {
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90 if (i)
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91 fputc(';', stdout);
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92 print_urlencoding(stdout, me -> lines[i]);
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93 }
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94 fputc('\n', stdout);
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95 }
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96
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97 /* output structure list */
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98 for (se = as -> structs; se; se = se -> next)
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99 {
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100 fprintf(stdout, "RESOURCE: type=struct,name=%s,lineno=%d,filename=", se -> name, se -> definedat -> lineno);
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101 print_urlencoding(stdout, se -> definedat -> linespec);
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102 fputc('\n', stdout);
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103 }
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104
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105 /* output error and warning lists */
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106 for (l = as -> line_head; l; l = l -> next)
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107 {
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108 if (l -> err)
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109 {
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110 for (ee = l -> err; ee; ee = ee -> next)
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111 {
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112 show_unicorn_error(stdout, l, ee, "ERROR");
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113 }
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114 }
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115
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116 if (l -> warn)
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117 {
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118 for (ee = l -> warn; ee; ee = ee -> next)
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119 {
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120 show_unicorn_error(stdout, l, ee, "WARNING");
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121 }
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122 }
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123 }
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124
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125 fprintf(stdout, "UNICORNSAWAY:\n");
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126 }