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annotate lwasm/lwasm.c @ 412:f8e56377a32a

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lwasm: Add missing "Undefined symbol" error string
author Tormod Volden <debian.tormod@gmail.com>
date Mon, 21 Mar 2016 09:06:55 -0600
parents 6153cb49403c
children 5dc9f9d47064
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 /*
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2 lwasm.c
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3
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4 Copyright © 2010 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 #include <stdio.h>
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23 #include <stdarg.h>
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24 #include <string.h>
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25 #include <ctype.h>
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26
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27 #include <lw_expr.h>
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28 #include <lw_alloc.h>
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29 #include <lw_string.h>
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30 #include <lw_error.h>
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31
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32 #include "lwasm.h"
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33 #include "instab.h"
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34
399
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35 void lwasm_skip_to_next_token(line_t *cl, char **p)
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36 {
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37 if (CURPRAGMA(cl, PRAGMA_NEWSOURCE))
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38 {
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39 for (; **p && isspace(**p); (*p)++)
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40 /* do nothing */ ;
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41 }
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42 }
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43
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44 int lwasm_expr_exportable(asmstate_t *as, lw_expr_t expr)
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45 {
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46 return 0;
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47 }
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48
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49 int lwasm_expr_exportval(asmstate_t *as, lw_expr_t expr)
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50 {
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51 return 0;
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52 }
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53
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54 void lwasm_dividezero(void *priv)
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55 {
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56 asmstate_t *as = (asmstate_t *)priv;
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57 lwasm_register_error(as, as -> cl, E_DIV0);
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58 }
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59
0
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60 lw_expr_t lwasm_evaluate_var(char *var, void *priv)
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61 {
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62 asmstate_t *as = (asmstate_t *)priv;
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63 lw_expr_t e;
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64 importlist_t *im;
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65 struct symtabe *s;
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66
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67 s = lookup_symbol(as, as -> cl, var);
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68 if (s)
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69 {
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70 e = lw_expr_build(lw_expr_type_special, lwasm_expr_syment, s);
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71 return e;
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72 }
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73
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74 if (as -> undefzero)
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75 {
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76 e = lw_expr_build(lw_expr_type_int, 0);
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77 return e;
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78 }
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79
0
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80 // undefined here is undefied unless output is object
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81 if (as -> output_format != OUTPUT_OBJ)
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82 goto nomatch;
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83
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84 // check for import
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85 for (im = as -> importlist; im; im = im -> next)
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86 {
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87 if (!strcmp(im -> symbol, var))
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88 break;
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89 }
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90
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91 // check for "undefined" to import automatically
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92 if ((as -> passno != 0) && !im && CURPRAGMA(as -> cl, PRAGMA_UNDEFEXTERN))
0
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93 {
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94 im = lw_alloc(sizeof(importlist_t));
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95 im -> symbol = lw_strdup(var);
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96 im -> next = as -> importlist;
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97 as -> importlist = im;
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98 }
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99
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100 if (!im)
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101 goto nomatch;
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102
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103 e = lw_expr_build(lw_expr_type_special, lwasm_expr_import, im);
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104 return e;
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105
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106 nomatch:
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107 if (as -> badsymerr)
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108 {
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109 lwasm_register_error2(as, as -> cl, E_SYMBOL_UNDEFINED, "%s", var);
0
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110 }
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111 return NULL;
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112 }
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113
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114 lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv)
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115 {
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116 switch (t)
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117 {
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118 case lwasm_expr_secbase:
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119 {
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120 // sectiontab_t *s = priv;
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121 asmstate_t *as = priv;
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122 if (as -> exportcheck && ptr == as -> csect)
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123 return lw_expr_build(lw_expr_type_int, 0);
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124 if (((sectiontab_t *)ptr) -> flags & section_flag_constant)
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125 return lw_expr_build(lw_expr_type_int, 0);
0
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126 return NULL;
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127 }
142
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128
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129 case lwasm_expr_linedlen:
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130 {
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131 line_t *cl = ptr;
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132 if (cl -> dlen == -1)
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133 return NULL;
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134 return lw_expr_build(lw_expr_type_int, cl -> dlen);
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135 }
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136 break;
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137
0
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138 case lwasm_expr_linelen:
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139 {
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140 line_t *cl = ptr;
211
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
141 if (cl -> len != -1)
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
142 return lw_expr_build(lw_expr_type_int, cl -> len);
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
143
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
144 if (cl -> as -> pretendmax)
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
145 {
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
146 if (cl -> maxlen != 0)
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
147 {
240
41d64951eb32 Silence debug message
William Astle <lost@l-w.ca>
parents: 226
diff changeset
148 //fprintf(stderr, "Pretending max, len = %d\n", cl -> maxlen);
211
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
149 return lw_expr_build(lw_expr_type_int, cl -> maxlen);
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
150 }
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
151 }
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
152 return NULL;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
153 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
154 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
155
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
156 case lwasm_expr_linedaddr:
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
157 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
158 line_t *cl = ptr;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
159 return lw_expr_copy(cl -> daddr);
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
160 }
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
161
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
162 case lwasm_expr_lineaddr:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
163 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
164 line_t *cl = ptr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
165 if (cl -> addr)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
166 return lw_expr_copy(cl -> addr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
167 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
168 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
169 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
170
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
171 case lwasm_expr_syment:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
172 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
173 struct symtabe *sym = ptr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
174 return lw_expr_copy(sym -> value);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
175 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
176
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
177 case lwasm_expr_import:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
178 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
179 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
180 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
181
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
182 case lwasm_expr_nextbp:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
183 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
184 line_t *cl = ptr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
185 for (cl = cl -> next; cl; cl = cl -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
186 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
187 if (cl -> isbrpt)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
188 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
189 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
190 if (cl)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
191 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
192 return lw_expr_copy(cl -> addr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
193 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
194 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
195 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
196
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
197 case lwasm_expr_prevbp:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
198 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
199 line_t *cl = ptr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
200 for (cl = cl -> prev; cl; cl = cl -> prev)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
201 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
202 if (cl -> isbrpt)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
203 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
204 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
205 if (cl)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
206 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
207 return lw_expr_copy(cl -> addr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
208 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
209 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
210 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
211 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
212 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
213 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
214
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
215 const char* lwasm_lookup_error(lwasm_errorcode_t error_code)
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
216 {
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
217 switch (error_code)
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
218 {
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
219 case E_6309_INVALID: return "Illegal use of 6309 instruction in 6809 mode";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
220 case E_6809_INVALID: return "Illegal use of 6809 instruction in 6309 mode";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
221 case E_ALIGNMENT_INVALID: return "Invalid alignment";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
222 case E_BITNUMBER_INVALID: return "Invalid bit number";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
223 case E_BITNUMBER_UNRESOLVED: return "Bit number must be fully resolved";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
224 case E_BYTE_OVERFLOW: return "Byte overflow";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
225 case E_CONDITION_P1: return "Conditions must be constant on pass 1";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
226 case E_DIRECTIVE_OS9_ONLY: return "Directive only valid for OS9 target";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
227 case E_DIV0: return "Division by zero";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
228 case E_EXEC_ADDRESS: return "Exec address not constant!";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
229 case E_EXPRESSION_BAD: return "Bad expression";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
230 case E_EXPRESSION_NOT_CONST: return "Expression must be constant";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
231 case E_EXPRESSION_NOT_RESOLVED: return "Expression not fully resolved";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
232 case E_FILE_OPEN: return "Cannot open file";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
233 case E_FILENAME_MISSING: return "Missing filename";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
234 case E_FILL_INVALID: return "Invalid fill length";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
235 case E_IMMEDIATE_INVALID: return "Immediate mode not allowed";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
236 case E_IMMEDIATE_UNRESOLVED: return "Immediate byte must be fully resolved";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
237 case E_INSTRUCTION_FAILED: return "Instruction failed to resolve.";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
238 case E_INSTRUCTION_SECTION: return "Instruction generating output outside of a section";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
239 case E_LINE_ADDRESS: return "Cannot resolve line address";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
240 case E_LINED_ADDRESS: return "Cannot resolve line data address";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
241 case E_OBJTARGET_ONLY: return "Only supported for object target";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
242 case E_OPCODE_BAD: return "Bad opcode";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
243 case E_OPERAND_BAD: return "Bad operand";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
244 case E_PADDING_BAD: return "Bad padding";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
245 case E_PRAGMA_UNRECOGNIZED: return "Unrecognized pragma string";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
246 case E_REGISTER_BAD: return "Bad register";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
247 case E_SETDP_INVALID: return "SETDP not permitted for object target";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
248 case E_SETDP_NOT_CONST: return "SETDP must be constant on pass 1";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
249 case E_STRING_BAD: return "Bad string condition";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
250 case E_SYMBOL_BAD: return "Bad symbol";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
251 case E_SYMBOL_MISSING: return "Missing symbol";
412
f8e56377a32a lwasm: Add missing "Undefined symbol" error string
Tormod Volden <debian.tormod@gmail.com>
parents: 399
diff changeset
252 case E_SYMBOL_UNDEFINED: return "Undefined symbol";
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
253 case E_SYMBOL_UNDEFINED_EXPORT: return "Undefined exported symbol";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
254 case E_MACRO_DUPE: return "Duplicate macro definition";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
255 case E_MACRO_ENDM: return "ENDM without MACRO";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
256 case E_MACRO_NONAME: return "Missing macro name";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
257 case E_MACRO_RECURSE: return "Attempt to define a macro inside a macro";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
258 case E_MODULE_IN: return "Already in a module!";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
259 case E_MODULE_NOTIN: return "Not in a module!";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
260 case E_NEGATIVE_BLOCKSIZE: return "Negative block sizes make no sense!";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
261 case E_NEGATIVE_RESERVATION: return "Negative reservation sizes make no sense!";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
262 case E_NW_8: return "n,W cannot be 8 bit";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
263 case E_SECTION_END: return "ENDSECTION without SECTION";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
264 case E_SECTION_EXTDEP: return "EXTDEP must be within a section";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
265 case E_SECTION_FLAG: return "Unrecognized section flag";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
266 case E_SECTION_NAME: return "Need section name";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
267 case E_SECTION_TARGET: return "Cannot use sections unless using the object target";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
268 case E_STRUCT_DUPE: return "Duplicate structure definition";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
269 case E_STRUCT_NONAME: return "Cannot declare a structure without a symbol name.";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
270 case E_STRUCT_NOSYMBOL: return "Structure definition with no effect - no symbol";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
271 case E_STRUCT_RECURSE: return "Attempt to define a structure inside a structure";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
272 case E_SYMBOL_DUPE: return "Multiply defined symbol";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
273 case E_UNKNOWN_OPERATION: return "Unknown operation";
382
80d615a6642c Add REORG pseudo op
William Astle <lost@l-w.ca>
parents: 380
diff changeset
274 case E_ORG_NOT_FOUND: return "Previous ORG not found";
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
275
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
276 case W_ENDSTRUCT_WITHOUT: return "ENDSTRUCT without STRUCT";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
277 case W_DUPLICATE_SECTION: return "Section flags can only be specified the first time; ignoring duplicate definition";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
278 case W_NOT_SUPPORTED: return "Not supported";
8764142b3192 Convert internal error/warning handling framework to a new unified system
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parents: 366
diff changeset
279
8764142b3192 Convert internal error/warning handling framework to a new unified system
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parents: 366
diff changeset
280 default: return "Error";
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parents: 366
diff changeset
281 }
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
282 }
8764142b3192 Convert internal error/warning handling framework to a new unified system
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parents: 366
diff changeset
283
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
284 /* keeping this as a separate error output for stability in unit test scripts */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
285 void lwasm_error_testmode(line_t *cl, const char* msg, int fatal)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
286 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
287 cl -> as -> testmode_errorcount++;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
288 fprintf(stderr, "line %d: %s : %s\n", cl->lineno, msg, cl->ltext);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
289 if (fatal == 1) lw_error("aborting\n");
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
290 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
291
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
292 /* parse unit test input data from comment field */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
293 void lwasm_parse_testmode_comment(line_t *l, lwasm_testflags_t *flags, lwasm_errorcode_t *err, int *len, char **buf)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
294 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
295 *flags = 0;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
296
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
297 if (!l)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
298 return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
299
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
300 char* s = strstr(l -> ltext, ";.");
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
301 if (s == NULL) return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
302
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
303 char* t = strstr(s, ":");
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
304 if (t == NULL)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
305 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
306 /* parse: ;.8E0FCE (emitted code) */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
307
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
308 if (buf == NULL) return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
309
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
310 int i;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
311 *flags = TF_EMIT;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
312
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
313 s = s + 2; /* skip ;. prefix */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
314 t = s;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
315 while (*t > 32) t++;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
316
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
317 if ((t - s) & 1)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
318 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
319 lwasm_error_testmode(l, "bad test data (wrong length of hex chars)", 1);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
320 return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
321 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
322
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
323 *len = (t - s) / 2;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
324
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
325 t = lw_alloc(*len);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
326 *buf = t;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
327
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
328 for (i = 0; i < *len; i++)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
329 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
330 int val;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
331 sscanf(s, "%2x", &val);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
332 *t++ = (char) val;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
333 s += 2;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
334 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
335 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
336 else
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
337 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
338 /* parse: ;.E:1000 or ;.E:7 (warnings or errors) */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
339 *flags = TF_ERROR;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
340
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
341 char ch = toupper(*(t - 1));
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
342 if (ch != 'E') lwasm_error_testmode(l, "bad test data (expected E: flag)", 1);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
343 sscanf(t + 1, "%d", (int*) err);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
344 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
345 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
346
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
347 void lwasm_register_error_real(asmstate_t *as, line_t *l, lwasm_errorcode_t error_code, const char *msg)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
348 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
349 lwasm_error_t *e;
209
52d9dd71f555 Make warning actually work.
William Astle <lost@l-w.ca>
parents: 200
diff changeset
350
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
351 if (!l)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
352 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
353
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
354 if (CURPRAGMA(l, PRAGMA_TESTMODE))
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
355 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
356 lwasm_testflags_t flags;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
357 lwasm_errorcode_t testmode_error_code;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
358 lwasm_parse_testmode_comment(l, &flags, &testmode_error_code, NULL, NULL);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
359 if (flags == TF_ERROR)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
360 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
361 l -> len = 0; /* null out bogus line */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
362 l -> insn = -1;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
363 l -> err_testmode = error_code;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
364 if (testmode_error_code == error_code) return; /* expected error: ignore and keep assembling */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
365
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
366 char buf[128];
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
367 sprintf(buf, "wrong error code (%d)", error_code);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
368 lwasm_error_testmode(l, buf, 0);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
369 return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
370 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
371 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
372
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
373 e = lw_alloc(sizeof(lwasm_error_t));
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
374
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
375 if (error_code >= 1000)
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
376 {
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
377 e->next = l->warn;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
378 l->warn = e;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
379 as->warningcount++;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
380 }
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
381 else
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
382 {
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
383 e->next = l->err;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
384 l->err = e;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
385 as->errorcount++;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
386 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
387
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
388 e -> code = error_code;
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
389 e -> charpos = -1;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
390
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
391 e -> mess = lw_strdup(msg);
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
392 }
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
393
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
394 void lwasm_register_error(asmstate_t *as, line_t *l, lwasm_errorcode_t err)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
395 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
396 lwasm_register_error_real(as, l, err, lwasm_lookup_error(err));
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
397 }
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
398
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
399 void lwasm_register_error2(asmstate_t *as, line_t *l, lwasm_errorcode_t err, const char* fmt, ...)
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
400 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
401 char errbuff[1024];
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
402 char f[128];
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
403
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
404 sprintf(f, "%s %s", lwasm_lookup_error(err), fmt);
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
405
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
406 va_list args;
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
407
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
408 va_start(args, fmt);
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
409
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
410 (void) vsnprintf(errbuff, 1024, f, args);
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
411
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
412 lwasm_register_error_real(as, l, err, errbuff);
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
413
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
414 va_end(args);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
415 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
416
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
417 int lwasm_next_context(asmstate_t *as)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
418 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
419 int r;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
420 r = as -> nextcontext;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
421 as -> nextcontext++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
422 return r;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
423 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
424
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
425 void lwasm_emit(line_t *cl, int byte)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
426 {
13
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
427 if (cl -> as -> output_format == OUTPUT_OBJ && cl -> csect == NULL)
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
428 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
429 lwasm_register_error(cl -> as, cl, E_INSTRUCTION_SECTION);
13
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
430 return;
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
431 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
432 if (cl -> outputl < 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
433 cl -> outputl = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
434
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
435 if (cl -> outputl == cl -> outputbl)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
436 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
437 cl -> output = lw_realloc(cl -> output, cl -> outputbl + 8);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
438 cl -> outputbl += 8;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
439 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
440 cl -> output[cl -> outputl++] = byte & 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
441
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
442 if (cl -> inmod)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
443 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
444 asmstate_t *as = cl -> as;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
445 // update module CRC
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
446 // this is a direct transliteration from the nitros9 asm source
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
447 // to C; it can, no doubt, be optimized for 32 bit processing
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
448 byte &= 0xff;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
449
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
450 byte ^= (as -> crc)[0];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
451 (as -> crc)[0] = (as -> crc)[1];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
452 (as -> crc)[1] = (as -> crc)[2];
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
453 (as -> crc)[1] ^= (byte >> 7);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
454 (as -> crc)[2] = (byte << 1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
455 (as -> crc)[1] ^= (byte >> 2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
456 (as -> crc)[2] ^= (byte << 6);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
457 byte ^= (byte << 1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
458 byte ^= (byte << 2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
459 byte ^= (byte << 4);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
460 if (byte & 0x80)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
461 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
462 (as -> crc)[0] ^= 0x80;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
463 (as -> crc)[2] ^= 0x21;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
464 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
465 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
466 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
467
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
468 void lwasm_emitop(line_t *cl, int opc)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
469 {
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
470 if (cl->cycle_base == 0)
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
471 lwasm_cycle_update_count(cl, opc); /* only call first time, never on postbyte */
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
472
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
473 if (opc > 0x100)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
474 lwasm_emit(cl, opc >> 8);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
475 lwasm_emit(cl, opc);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
476 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
477
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
478 lw_expr_t lwasm_parse_term(char **p, void *priv)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
479 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
480 asmstate_t *as = priv;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
481 int neg = 1;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
482 int val;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
483
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
484 if (!**p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
485 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
486
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
487 if (**p == '.'
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
488 && !((*p)[1] >= 'A' && (*p)[1] <= 'Z')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
489 && !((*p)[1] >= 'a' && (*p)[1] <= 'z')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
490 && !((*p)[1] >= '0' && (*p)[1] <= '9')
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
491 )
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
492 {
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
493 (*p)++;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
494 return lw_expr_build(lw_expr_type_special, lwasm_expr_linedaddr, as -> cl);
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
495 }
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
496
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
497 if (**p == '*')
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
498 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
499 // special "symbol" for current line addr (*)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
500 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
501 return lw_expr_build(lw_expr_type_special, lwasm_expr_lineaddr, as -> cl);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
502 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
503
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
504 // branch points
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
505 if (**p == '<')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
506 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
507 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
508 return lw_expr_build(lw_expr_type_special, lwasm_expr_prevbp, as -> cl);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
509 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
510 if (**p == '>')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
511 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
512 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
513 return lw_expr_build(lw_expr_type_special, lwasm_expr_nextbp, as -> cl);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
514 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
515
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
516 // double ascii constant
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
517 if (**p == '"')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
518 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
519 int v;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
520 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
521 if (!**p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
522 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
523 if (!*((*p)+1))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
524 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
525 v = (unsigned char)**p << 8 | (unsigned char)*((*p)+1);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
526 (*p) += 2;
326
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
527
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
528 if (**p == '"')
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
529 (*p)++;
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
530
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
531 return lw_expr_build(lw_expr_type_int, v);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
532 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
533
380
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
534 /* double ASCII constant, like LDD #'MG */
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
535 if (CURPRAGMA(as->cl, PRAGMA_M80EXT))
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
536 {
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
537 if (((**p == '"') || (**p == '\'')) && (as->cl->genmode == 16))
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
538 {
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
539 int v;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
540 (*p)++;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
541 if (!**p)
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
542 return NULL;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
543 if (!*((*p) + 1))
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
544 return NULL;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
545 v = (unsigned char) **p << 8 | (unsigned char) *((*p) + 1);
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
546 (*p) += 2;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
547
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
548 if ((**p == '"') || (**p == '\''))
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
549 (*p)++;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
550
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
551 return lw_expr_build(lw_expr_type_int, v);
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
552 }
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
553 }
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
554
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
555 /* single ASCII constant, like LDA #'E */
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
556 if (**p == '\'')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
557 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
558 int v;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
559
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
560 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
561 if (!**p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
562 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
563
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
564 v = (unsigned char)**p;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
565 (*p)++;
326
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
566
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
567 if (**p == '\'')
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
568 (*p)++;
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
569
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
570 return lw_expr_build(lw_expr_type_int, v);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
571 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
572
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
573 if (**p == '&')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
574 {
113
7e621e00b887 Fixed uninitialized variable in &-prefix and %-prefix constant parsing
lost@l-w.ca
parents: 98
diff changeset
575 val = 0;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
576 // decimal constant
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
577 (*p)++;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
578
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
579 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
580 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
581 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
582 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
583 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
584
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
585 if (!**p || !strchr("0123456789", **p))
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
586 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
587 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
588 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
589 (*p)--;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
590 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
591 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
592
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
593 while (**p && strchr("0123456789", **p))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
594 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
595 val = val * 10 + (**p - '0');
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
596 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
597 }
95
a23f732c5ce8 Fixed &-prefix decimal constant parse problem
lost@l-w.ca
parents: 94
diff changeset
598 return lw_expr_build(lw_expr_type_int, val * neg);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
599 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
600
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
601 if (**p == '%')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
602 {
113
7e621e00b887 Fixed uninitialized variable in &-prefix and %-prefix constant parsing
lost@l-w.ca
parents: 98
diff changeset
603 val = 0;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
604 // binary constant
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
605 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
606
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
607 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
608 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
609 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
610 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
611 }
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
612
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
613 if (**p != '0' && **p != '1')
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
614 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
615 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
616 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
617 (*p)--;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
618 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
619 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
620
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
621 while (**p && (**p == '0' || **p == '1'))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
622 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
623 val = val * 2 + (**p - '0');
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
624 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
625 }
94
61c084b2c727 Fixed bug parsing %-prefix binary constants
lost@l-w.ca
parents: 70
diff changeset
626 return lw_expr_build(lw_expr_type_int, val * neg);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
627 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
628
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
629 if (**p == '$')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
630 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
631 // hexadecimal constant
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
632 int v = 0, v2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
633 (*p)++;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
634 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
635 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
636 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
637 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
638 }
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
639
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
640 if (!**p || !strchr("0123456789abcdefABCDEF", **p))
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
641 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
642 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
643 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
644 (*p)--;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
645 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
646 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
647 while (**p && strchr("0123456789abcdefABCDEF", **p))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
648 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
649 v2 = toupper(**p) - '0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
650 if (v2 > 9)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
651 v2 -= 7;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
652 v = v * 16 + v2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
653 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
654 }
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
655 return lw_expr_build(lw_expr_type_int, v * neg);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
656 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
657
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
658 if (**p == '0' && (*((*p)+1) == 'x' || *((*p)+1) == 'X'))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
659 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
660 // hexadecimal constant, C style
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
661 int v = 0, v2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
662 (*p)+=2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
663
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
664 if (!**p || !strchr("0123456789abcdefABCDEF", **p))
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
665 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
666 (*p) -= 2;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
667 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
668 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
669 while (**p && strchr("0123456789abcdefABCDEF", **p))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
670 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
671 v2 = toupper(**p) - '0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
672 if (v2 > 9)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
673 v2 -= 7;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
674 v = v * 16 + v2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
675 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
676 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
677 return lw_expr_build(lw_expr_type_int, v);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
678 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
679
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
680 if (**p == '@' && (*((*p)+1) >= '0' && *((*p)+1) <= '7'))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
681 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
682 // octal constant
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
683 int v = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
684 (*p)++;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
685 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
686 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
687 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
688 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
689 }
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
690
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
691
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
692 if (!**p || !strchr("01234567", **p))
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
693 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
694 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
695 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
696 (*p)--;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
697 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
698 }
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
699
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
700 while (**p && strchr("01234567", **p))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
701 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
702 v = v * 8 + (**p - '0');
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
703 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
704 }
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
705 return lw_expr_build(lw_expr_type_int, v * neg);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
706 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
707
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
708
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
709 // symbol or bare decimal or suffix constant here
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
710 do
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
711 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
712 int havedol = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
713 int l = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
714
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
715 while ((*p)[l] && strchr(SYMCHARS, (*p)[l]))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
716 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
717 if ((*p)[l] == '$')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
718 havedol = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
719 l++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
720 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
721 if (l == 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
722 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
723
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
724 if ((*p)[l] == '{')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
725 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
726 while ((*p)[l] && (*p)[l] != '}')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
727 l++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
728 l++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
729 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
730
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
731 if (havedol || **p < '0' || **p > '9')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
732 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
733 // have a symbol here
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
734 char *sym;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
735 lw_expr_t term;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
736
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
737 sym = lw_strndup(*p, l);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
738 (*p) += l;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
739 term = lw_expr_build(lw_expr_type_var, sym);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
740 lw_free(sym);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
741 return term;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
742 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
743 } while (0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
744
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
745 if (!**p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
746 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
747
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
748 // we have a numeric constant here, either decimal or postfix base notation
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
749 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
750 int decval = 0, binval = 0, hexval = 0, octval = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
751 int valtype = 15; // 1 = bin, 2 = oct, 4 = dec, 8 = hex
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
752 int bindone = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
753 int val;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
754 int dval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
755
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
756 while (1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
757 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
758 if (!**p || !strchr("0123456789ABCDEFabcdefqhoQHO", **p))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
759 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
760 // we can legally be bin or decimal here
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
761 if (bindone)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
762 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
763 // just finished a binary value
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
764 val = binval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
765 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
766 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
767 else if (valtype & 4)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
768 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
769 val = decval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
770 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
771 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
772 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
773 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
774 // bad value
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
775 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
776 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
777 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
778
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
779 dval = toupper(**p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
780 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
781
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
782 if (bindone)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
783 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
784 // any characters past "B" means it is not binary
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
785 bindone = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
786 valtype &= 14;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
787 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
788
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
789 switch (dval)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
790 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
791 case 'Q':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
792 case 'O':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
793 if (valtype & 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
794 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
795 val = octval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
796 valtype = -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
797 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
798 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
799 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
800 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
801 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
802 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
803 /* can't get here */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
804
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
805 case 'H':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
806 if (valtype & 8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
807 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
808 val = hexval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
809 valtype = -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
810 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
811 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
812 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
813 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
814 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
815 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
816 /* can't get here */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
817
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
818 case 'B':
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
819 // this is a bit of a sticky one since B may be a
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
820 // hex number instead of the end of a binary number
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
821 // so it falls through to the digit case
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
822 if (valtype & 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
823 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
824 // could still be binary of hex
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
825 bindone = 1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
826 valtype = 9;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
827 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
828 /* fall through intented */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
829
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
830 default:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
831 // digit
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
832 dval -= '0';
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
833 if (dval > 9)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
834 dval -= 7;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
835 if (valtype & 8)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
836 hexval = hexval * 16 + dval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
837 if (valtype & 4)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
838 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
839 if (dval > 9)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
840 valtype &= 11;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
841 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
842 decval = decval * 10 + dval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
843 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
844 if (valtype & 2)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
845 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
846 if (dval > 7)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
847 valtype &= 13;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
848 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
849 octval = octval * 8 + dval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
850 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
851 if (valtype & 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
852 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
853 if (dval > 1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
854 valtype &= 14;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
855 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
856 binval = binval * 2 + dval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
857 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
858 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
859 if (valtype == -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
860 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
861
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
862 // return if no more valid types
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
863 if (valtype == 0)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
864 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
865
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
866 val = decval; // in case we fall through
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
867 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
868
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
869 // get here if we have a value
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
870 return lw_expr_build(lw_expr_type_int, val);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
871 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
872 // can't get here
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
873 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
874
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
875 lw_expr_t lwasm_parse_expr(asmstate_t *as, char **p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
876 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
877 lw_expr_t e;
366
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
878
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
879 if (as->exprwidth != 16)
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
880 {
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
881 lw_expr_setwidth(as->exprwidth);
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
882 if (CURPRAGMA(as -> cl, PRAGMA_NEWSOURCE))
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
883 e = lw_expr_parse(p, as);
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
884 else
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
885 e = lw_expr_parse_compact(p, as);
366
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
886 lw_expr_setwidth(0);
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
887 }
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
888 else
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
889 {
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
890 if (CURPRAGMA(as -> cl, PRAGMA_NEWSOURCE))
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
891 e = lw_expr_parse(p, as);
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
892 else
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
893 e = lw_expr_parse_compact(p, as);
366
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
894 }
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
895 lwasm_skip_to_next_token(as -> cl, p);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
896 return e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
897 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
898
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
899 int lwasm_reduce_expr(asmstate_t *as, lw_expr_t expr)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
900 {
216
398773d7e504 Fix crash bug on indexed expression handling
William Astle <lost@l-w.ca>
parents: 211
diff changeset
901 if (expr)
398773d7e504 Fix crash bug on indexed expression handling
William Astle <lost@l-w.ca>
parents: 211
diff changeset
902 lw_expr_simplify(expr, as);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
903 return 0;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
904 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
905
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
906 void lwasm_save_expr(line_t *cl, int id, lw_expr_t expr)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
907 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
908 struct line_expr_s *e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
909
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
910 for (e = cl -> exprs; e; e = e -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
911 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
912 if (e -> id == id)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
913 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
914 lw_expr_destroy(e -> expr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
915 e -> expr = expr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
916 return;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
917 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
918 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
919
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
920 e = lw_alloc(sizeof(struct line_expr_s));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
921 e -> expr = expr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
922 e -> id = id;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
923 e -> next = cl -> exprs;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
924 cl -> exprs = e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
925 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
926
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
927 lw_expr_t lwasm_fetch_expr(line_t *cl, int id)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
928 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
929 struct line_expr_s *e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
930
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
931 for (e = cl -> exprs; e; e = e -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
932 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
933 if (e -> id == id)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
934 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
935 return e -> expr;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
936 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
937 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
938 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
939 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
940
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
941 void skip_operand_real(line_t *cl, char **p)
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
942 {
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
943 if (CURPRAGMA(cl, PRAGMA_NEWSOURCE))
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
944 return;
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
945 for (; **p && !isspace(**p); (*p)++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
946 /* do nothing */ ;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
947 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
948
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
949 int lwasm_emitexpr(line_t *l, lw_expr_t expr, int size)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
950 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
951 int v = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
952 int ol;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
953
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
954 ol = l -> outputl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
955 if (ol == -1)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
956 ol = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
957
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
958 if (lw_expr_istype(expr, lw_expr_type_int))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
959 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
960 v = lw_expr_intval(expr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
961 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
962 // handle external/cross-section/incomplete references here
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
963 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
964 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
965 if (l -> as -> output_format == OUTPUT_OBJ)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
966 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
967 reloctab_t *re;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
968 lw_expr_t te;
13
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
969
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
970 if (l -> csect == NULL)
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
971 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
972 lwasm_register_error(l -> as, l, E_INSTRUCTION_SECTION);
24
421d7ceb4d86 Fixed missing return value
lost@l-w.ca
parents: 13
diff changeset
973 return -1;
13
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
974 }
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
975
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
976 if (size == 4)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
977 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
978 // create a two part reference because lwlink doesn't
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
979 // support 32 bit references
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
980 lw_expr_t te2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
981 te = lw_expr_build(lw_expr_type_int, 0x10000);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
982 te2 = lw_expr_build(lw_expr_type_oper, lw_expr_oper_divide, expr, te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
983 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
984
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
985 re = lw_alloc(sizeof(reloctab_t));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
986 re -> next = l -> csect -> reloctab;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
987 l -> csect -> reloctab = re;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
988 te = lw_expr_build(lw_expr_type_int, ol);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
989 re -> offset = lw_expr_build(lw_expr_type_oper, lw_expr_oper_plus, l -> addr, te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
990 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
991 lwasm_reduce_expr(l -> as, re -> offset);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
992 re -> expr = te2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
993 re -> size = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
994
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
995 te = lw_expr_build(lw_expr_type_int, 0xFFFF);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
996 te2 = lw_expr_build(lw_expr_type_oper, lw_expr_oper_bwand, expr, te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
997 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
998
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
999 re = lw_alloc(sizeof(reloctab_t));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1000 re -> next = l -> csect -> reloctab;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1001 l -> csect -> reloctab = re;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1002 te = lw_expr_build(lw_expr_type_int, ol + 2);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1003 re -> offset = lw_expr_build(lw_expr_type_oper, lw_expr_oper_plus, l -> addr, te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1004 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1005 lwasm_reduce_expr(l -> as, re -> offset);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1006 re -> expr = te2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1007 re -> size = 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1008 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1009 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1010 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1011 // add "expression" record to section table
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1012 re = lw_alloc(sizeof(reloctab_t));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1013 re -> next = l -> csect -> reloctab;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1014 l -> csect -> reloctab = re;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1015 te = lw_expr_build(lw_expr_type_int, ol);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1016 re -> offset = lw_expr_build(lw_expr_type_oper, lw_expr_oper_plus, l -> addr, te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1017 lw_expr_destroy(te);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1018 lwasm_reduce_expr(l -> as, re -> offset);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1019 re -> size = size;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1020 re -> expr = lw_expr_copy(expr);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1021 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1022 for (v = 0; v < size; v++)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1023 lwasm_emit(l, 0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1024 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1025 }
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
1026 lwasm_register_error(l->as, l, E_EXPRESSION_NOT_RESOLVED);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1027 return -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1028 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1029
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1030 switch (size)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1031 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1032 case 4:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1033 lwasm_emit(l, v >> 24);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1034 lwasm_emit(l, v >> 16);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1035 /* fallthrough intended */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1036
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1037 case 2:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1038 lwasm_emit(l, v >> 8);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1039 /* fallthrough intended */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1040
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1041 case 1:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1042 lwasm_emit(l, v);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1043 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1044
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1045 return 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1046 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1047
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1048 int lwasm_lookupreg2(const char *regs, char **p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1049 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1050 int rval = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1051
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1052 while (*regs)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1053 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1054 if (toupper(**p) == *regs)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1055 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1056 if (regs[1] == ' ' && !isalpha(*(*p + 1)))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1057 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1058 if (toupper(*(*p + 1)) == regs[1])
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1059 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1060 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1061 regs += 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1062 rval++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1063 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1064 if (!*regs)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1065 return -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1066 if (regs[1] == ' ')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1067 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1068 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1069 (*p) += 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1070 return rval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1071 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1072
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1073 int lwasm_lookupreg3(const char *regs, char **p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1074 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1075 int rval = 0;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1076
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1077 while (*regs)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1078 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1079 if (toupper(**p) == *regs)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1080 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1081 if (regs[1] == ' ' && !isalpha(*(*p + 1)))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1082 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1083 if (toupper(*(*p + 1)) == regs[1])
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1084 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1085 if (regs[2] == ' ' && !isalpha(*(*p + 2)))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1086 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1087 if (toupper(*(*p + 2)) == regs[2])
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1088 break;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1089 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1090 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1091 regs += 3;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1092 rval++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1093 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1094 if (!*regs)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1095 return -1;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1096 if (regs[1] == ' ')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1097 (*p)++;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1098 else if (regs[2] == ' ')
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1099 (*p) += 2;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1100 else
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1101 (*p) += 3;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1102 return rval;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1103 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1104
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1105 void lwasm_show_errors(asmstate_t *as)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1106 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1107 line_t *cl;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1108 lwasm_error_t *e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1109
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1110 for (cl = as -> line_head; cl; cl = cl -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1111 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1112 if (!(cl -> err) && !(cl -> warn))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1113 continue;
388
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1114
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1115 // trim "include:" if it appears
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1116 char* s = cl->linespec;
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1117 if ((strlen(s) > 8) && (s[7] == ':')) s += 8;
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1118 while (*s == ' ') s++;
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1119
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1120 for (e = cl -> err; e; e = e -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1121 {
388
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1122 fprintf(stderr, "%s(%d) : ERROR : %s\n", s, cl->lineno, e->mess);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1123 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1124 for (e = cl -> warn; e; e = e -> next)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1125 {
388
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1126 fprintf(stderr, "%s(%d) : WARNING : %s\n", s, cl->lineno, e->mess);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1127 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1128 fprintf(stderr, "%s:%05d %s\n\n", cl -> linespec, cl -> lineno, cl -> ltext);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1129 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1130 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1131
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1132 /*
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1133 this does any passes and other gymnastics that might be useful
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1134 to see if an expression reduces early
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1135 */
374
8e25147c2aa8 Clean up various "externs"
William Astle <lost@l-w.ca>
parents: 370
diff changeset
1136 void do_pass3(asmstate_t *as);
8e25147c2aa8 Clean up various "externs"
William Astle <lost@l-w.ca>
parents: 370
diff changeset
1137 void do_pass4_aux(asmstate_t *as, int force);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1138
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1139 void lwasm_interim_reduce(asmstate_t *as)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1140 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1141 do_pass3(as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1142 // do_pass4_aux(as, 0);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1143 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1144
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1145 lw_expr_t lwasm_parse_cond(asmstate_t *as, char **p)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1146 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1147 lw_expr_t e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1148
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1149 debug_message(as, 250, "Parsing condition");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1150 e = lwasm_parse_expr(as, p);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1151 debug_message(as, 250, "COND EXPR: %s", lw_expr_print(e));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1152
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1153 if (!e)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1154 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
1155 lwasm_register_error(as, as -> cl, E_EXPRESSION_BAD);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1156 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1157 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1158
210
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1159 /* handle condundefzero */
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1160 if (CURPRAGMA(as -> cl, PRAGMA_CONDUNDEFZERO))
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1161 {
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1162 as -> undefzero = 1;
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1163 lwasm_reduce_expr(as, e);
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1164 as -> undefzero = 0;
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1165 }
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1166
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1167 /* we need to simplify the expression here */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1168 debug_message(as, 250, "Doing interim reductions");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1169 lwasm_interim_reduce(as);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1170 debug_message(as, 250, "COND EXPR: %s", lw_expr_print(e));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1171 debug_message(as, 250, "Reducing expression");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1172 lwasm_reduce_expr(as, e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1173 debug_message(as, 250, "COND EXPR: %s", lw_expr_print(e));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1174 /* lwasm_reduce_expr(as, e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1175 debug_message(as, 250, "COND EXPR: %s", lw_expr_print(e));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1176 lwasm_reduce_expr(as, e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1177 debug_message(as, 250, "COND EXPR: %s", lw_expr_print(e));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1178 lwasm_reduce_expr(as, e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1179 debug_message(as, 250, "COND EXPR: %s", lw_expr_print(e));
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1180 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1181
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1182 lwasm_save_expr(as -> cl, 4242, e);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1183
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1184 if (!lw_expr_istype(e, lw_expr_type_int))
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1185 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1186 debug_message(as, 250, "Non-constant expression");
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
1187 lwasm_register_error(as, as -> cl, E_CONDITION_P1);
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1188 return NULL;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1189 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1190 debug_message(as, 250, "Returning expression");
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1191 return e;
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1192 }
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1193
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1194 struct range_data
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1195 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1196 int min;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1197 int max;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1198 asmstate_t *as;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1199 };
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1200 int lwasm_calculate_range(asmstate_t *as, lw_expr_t expr, int *min, int *max);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1201 int lwasm_calculate_range_tf(lw_expr_t e, void *info)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1202 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1203 struct range_data *rd = info;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1204 int i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1205
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1206 if (lw_expr_istype(e, lw_expr_type_int))
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1207 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1208 i = lw_expr_intval(e);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1209 rd -> min += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1210 rd -> max += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1211 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1212 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1213
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1214 if (lw_expr_istype(e, lw_expr_type_special))
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1215 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1216 line_t *l;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1217 if (lw_expr_specint(e) != lwasm_expr_linelen)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1218 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1219 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1220 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1221 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1222 l = (line_t *)lw_expr_specptr(e);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1223 if (l -> len == -1)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1224 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1225 rd -> min += l -> minlen;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1226 rd -> max += l -> maxlen;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1227 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1228 else
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1229 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1230 rd -> min += l -> len;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1231 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1232 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1233 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1234
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1235 if (lw_expr_istype(e, lw_expr_type_var))
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1236 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1237 lw_expr_t te;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1238 te = lw_expr_copy(e);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1239 lwasm_reduce_expr(rd -> as, te);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1240 if (lw_expr_istype(te, lw_expr_type_int))
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1241 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1242 i = lw_expr_intval(te);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1243 rd -> min += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1244 rd -> max += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1245 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1246 else
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1247 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1248 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1249 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1250 lw_expr_destroy(te);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1251 if (rd -> min == -1)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1252 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1253 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1254 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1255
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1256 if (lw_expr_istype(e, lw_expr_type_oper))
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1257 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1258 if (lw_expr_whichop(e) == lw_expr_oper_plus)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1259 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1260 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1261 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1262 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1263
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1264 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1265 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1266 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1267
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1268 int lwasm_calculate_range(asmstate_t *as, lw_expr_t expr, int *min, int *max)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1269 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1270 struct range_data rd;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1271
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1272 rd.min = 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1273 rd.max = 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1274 rd.as = as;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1275
256
bc25269d96bc Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents: 249
diff changeset
1276 if (!expr)
bc25269d96bc Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents: 249
diff changeset
1277 return -1;
bc25269d96bc Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents: 249
diff changeset
1278
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1279 lw_expr_testterms(expr, lwasm_calculate_range_tf, (void *)&rd);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1280 *min = rd.min;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1281 *max = rd.max;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1282 if (rd.min == -1)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1283 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1284 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1285 }
336
30b2bad9b5eb Factor some code for simplifying lines so it can be reused
William Astle <lost@l-w.ca>
parents: 326
diff changeset
1286
30b2bad9b5eb Factor some code for simplifying lines so it can be reused
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1287 void lwasm_reduce_line_exprs(line_t *cl)
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1288 {
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1289 asmstate_t *as;
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1290 struct line_expr_s *le;
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1291 int i;
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1292
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1293 as = cl -> as;
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1294 as -> cl = cl;
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1295
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1296 // simplify address
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1297 lwasm_reduce_expr(as, cl -> addr);
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1298
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1299 // simplify data address
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1300 lwasm_reduce_expr(as, cl -> daddr);
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1301
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1302 // simplify each expression
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1303 for (i = 0, le = cl -> exprs; le; le = le -> next, i++)
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1304 {
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1305 lwasm_reduce_expr(as, le -> expr);
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1306 debug_message(as, 100, "Reduce expressions: exp[%d] = %s", i, lw_expr_print(le -> expr));
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1307 }
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1308
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1309 if (cl -> len == -1 || cl -> dlen == -1)
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1310 {
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1311 // try resolving the instruction length
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1312 // but don't force resolution
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1313 if (cl -> insn >= 0 && instab[cl -> insn].resolve)
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1314 {
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1315 (instab[cl -> insn].resolve)(as, cl, 0);
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1316 if ((cl -> inmod == 0) && cl -> len >= 0 && cl -> dlen >= 0)
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1317 {
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1318 if (cl -> len == 0)
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1319 cl -> len = cl -> dlen;
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1320 else
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1321 cl -> dlen = cl -> len;
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1322 }
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1323 }
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1324 }
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1325 debug_message(as, 100, "Reduce expressions: len = %d", cl -> len);
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1326 debug_message(as, 100, "Reduce expressions: dlen = %d", cl -> dlen);
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1327 debug_message(as, 100, "Reduce expressions: addr = %s", lw_expr_print(cl -> addr));
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1328 debug_message(as, 100, "Reduce expressions: daddr = %s", lw_expr_print(cl -> daddr));
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1329 }