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Guard against single operand multiplication when detecting like terms This *shouldn't* happen, but it apparently does in some pathological cases so guard against a single operand multiplication to prevent a crash.
author William Astle <lost@l-w.ca>
date Mon, 04 Nov 2024 23:48:23 -0700
parents 1ede8f8621cf
children
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
0
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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
249
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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
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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 debug_message(as, 225, "eval var: look up %s", var);
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68 s = lookup_symbol(as, as -> cl, var);
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69 if (s)
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70 {
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71 debug_message(as, 225, "eval var: symbol found %s = %s (%p)", s -> symbol, lw_expr_print(s -> value), s);
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72 e = lw_expr_build(lw_expr_type_special, lwasm_expr_syment, s);
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73 return e;
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74 }
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75
210
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76 if (as -> undefzero)
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77 {
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78 debug_message(as, 225, "eval var: undefined symbol treated as 0");
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79 e = lw_expr_build(lw_expr_type_int, 0);
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80 return e;
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81 }
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82
0
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83 // undefined here is undefied unless output is object
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84 if (as -> output_format != OUTPUT_OBJ)
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85 goto nomatch;
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86
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87 // check for import
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88 for (im = as -> importlist; im; im = im -> next)
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89 {
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90 if (!strcmp(im -> symbol, var))
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91 break;
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92 }
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93
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94 // check for "undefined" to import automatically
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95 if ((as -> passno != 0) && !im && CURPRAGMA(as -> cl, PRAGMA_UNDEFEXTERN))
0
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96 {
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97 debug_message(as, 225, "eval var: importing undefined symbol");
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98 im = lw_alloc(sizeof(importlist_t));
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99 im -> symbol = lw_strdup(var);
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100 im -> next = as -> importlist;
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101 as -> importlist = im;
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102 }
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103
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104 if (!im)
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105 goto nomatch;
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106
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107 e = lw_expr_build(lw_expr_type_special, lwasm_expr_import, im);
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108 return e;
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109
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110 nomatch:
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111 if (as -> badsymerr)
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112 {
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113 lwasm_register_error2(as, as -> cl, E_SYMBOL_UNDEFINED, "%s", var);
0
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114 }
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115 debug_message(as, 225, "eval var: undefined symbol - returning NULL");
0
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116 return NULL;
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117 }
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118
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119 lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv)
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120 {
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121 switch (t)
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122 {
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123 case lwasm_expr_secbase:
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124 {
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125 // sectiontab_t *s = priv;
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126 asmstate_t *as = priv;
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127 if (((sectiontab_t *)ptr) -> tbase != -1)
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128 {
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129 return lw_expr_build(lw_expr_type_int, ((sectiontab_t *)ptr) -> tbase);
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130 }
0
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131 if (as -> exportcheck && ptr == as -> csect)
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132 return lw_expr_build(lw_expr_type_int, 0);
158
8dead67ba607 Make constant sections always resolve with a constant base offset of zero instead of an undefined reference
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133 if (((sectiontab_t *)ptr) -> flags & section_flag_constant)
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134 return lw_expr_build(lw_expr_type_int, 0);
0
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135 return NULL;
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136 }
142
697bc543368c Implement distinction between . and * for OS9 modules
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parents: 113
diff changeset
137
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
138 case lwasm_expr_linedlen:
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
139 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
140 line_t *cl = ptr;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
141 if (cl -> dlen == -1)
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
142 return NULL;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
143 return lw_expr_build(lw_expr_type_int, cl -> dlen);
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
144 }
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
145 break;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
146
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
147 case lwasm_expr_linelen:
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
148 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
149 line_t *cl = ptr;
211
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
150 if (cl -> len != -1)
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
151 return lw_expr_build(lw_expr_type_int, cl -> len);
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
152
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
153 if (cl -> as -> pretendmax)
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
154 {
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
155 if (cl -> maxlen != 0)
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
156 {
240
41d64951eb32 Silence debug message
William Astle <lost@l-w.ca>
parents: 226
diff changeset
157 //fprintf(stderr, "Pretending max, len = %d\n", cl -> maxlen);
211
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
158 return lw_expr_build(lw_expr_type_int, cl -> maxlen);
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
159 }
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
160 }
6f2e18f1fe67 Improve autobranchlength pragma
William Astle <lost@l-w.ca>
parents: 210
diff changeset
161 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
162 }
2c24602be78f 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 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
164
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
165 case lwasm_expr_linedaddr:
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
166 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
167 line_t *cl = ptr;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
168 return lw_expr_copy(cl -> daddr);
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
169 }
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
170
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
171 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
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 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
174 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
175 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
176 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
177 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
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
2c24602be78f 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 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
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 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
183 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
184 }
2c24602be78f 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
2c24602be78f 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 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
187 {
2c24602be78f 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 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
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
2c24602be78f 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 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
192 {
2c24602be78f 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 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
194 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
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 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
197 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
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 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
200 {
2c24602be78f 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 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
202 }
2c24602be78f 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 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
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
2c24602be78f 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 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
207 {
2c24602be78f 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 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
209 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
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 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
212 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
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 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
215 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
216 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
217 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
218 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
219 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
220 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
221 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
222 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
223
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
224 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
225 {
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
226 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
227 {
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_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
229 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
230 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
231 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
232 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
233 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
234 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
235 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
236 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
237 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
238 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
239 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
240 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
241 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
242 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
243 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
244 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
245 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
246 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
247 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
248 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
249 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
250 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
251 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
252 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
253 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
254 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
255 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
256 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
257 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
258 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
259 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
260 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
261 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
262 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
263 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
264 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
265 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
266 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
267 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
268 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
269 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
270 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
271 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
272 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
273 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
274 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
275 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
276 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
277 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
278 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
279 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
280 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
281 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
282 case E_UNKNOWN_OPERATION: return "Unknown operation";
382
80d615a6642c Add REORG pseudo op
William Astle <lost@l-w.ca>
parents: 380
diff changeset
283 case E_ORG_NOT_FOUND: return "Previous ORG not found";
432
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
284 case E_COMPLEX_INCOMPLETE: return "Incomplete expression too complex";
413
5dc9f9d47064 Add error string for "user error"
William Astle <lost@l-w.ca>
parents: 412
diff changeset
285 case E_USER_SPECIFIED: return "User Specified:";
470
2c1c5dd84024 Add << prefix to force 5 bit offsets in indexed modes
William Astle <lost@l-w.ca>
parents: 455
diff changeset
286 case E_ILL5: return "Illegal 5 bit offset";
564
87f904e2b304 Add offset and length operands (optional) to includebin
William Astle <lost@l-w.ca>
parents: 473
diff changeset
287 case E_INCLUDEBIN_ILL_START: return "Start value out of range";
87f904e2b304 Add offset and length operands (optional) to includebin
William Astle <lost@l-w.ca>
parents: 473
diff changeset
288 case E_INCLUDEBIN_ILL_LENGTH: return "Length value out of range";
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
289
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
290 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
291 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
292 case W_NOT_SUPPORTED: return "Not supported";
455
cad5937314cb Add operandsizewarning pragma
William Astle <lost@l-w.ca>
parents: 433
diff changeset
293 case W_OPERAND_SIZE: return "Operand size larger than required";
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
294 default: return "Error";
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
295 }
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
296 }
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
297
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
298 /* 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
299 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
300 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
301 cl -> as -> testmode_errorcount++;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
302 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
303 if (fatal == 1) lw_error("aborting\n");
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
304 }
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 unit test input data from comment field */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
307 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
308 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
309 *flags = 0;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
310
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
311 if (!l)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
312 return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
313
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
314 char* s = strstr(l -> ltext, ";.");
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
315 if (s == NULL) return;
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 char* t = strstr(s, ":");
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
318 if (t == NULL)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
319 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
320 /* parse: ;.8E0FCE (emitted code) */
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 if (buf == NULL) return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
323
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
324 int i;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
325 *flags = TF_EMIT;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
326
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
327 s = s + 2; /* skip ;. prefix */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
328 t = s;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
329 while (*t > 32) t++;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
330
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
331 if ((t - s) & 1)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
332 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
333 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
334 return;
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
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
337 *len = (t - s) / 2;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
338
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
339 t = lw_alloc(*len);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
340 *buf = t;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
341
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
342 for (i = 0; i < *len; i++)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
343 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
344 int val;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
345 sscanf(s, "%2x", &val);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
346 *t++ = (char) val;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
347 s += 2;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
348 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
349 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
350 else
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
351 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
352 /* parse: ;.E:1000 or ;.E:7 (warnings or errors) */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
353 *flags = TF_ERROR;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
354
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
355 char ch = toupper(*(t - 1));
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
356 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
357 sscanf(t + 1, "%d", (int*) err);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
358 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
359 }
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 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
362 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
363 lwasm_error_t *e;
209
52d9dd71f555 Make warning actually work.
William Astle <lost@l-w.ca>
parents: 200
diff changeset
364
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
365 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
366 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
367
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
368 if (CURPRAGMA(l, PRAGMA_TESTMODE))
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
369 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
370 lwasm_testflags_t flags;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
371 lwasm_errorcode_t testmode_error_code;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
372 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
373 if (flags == TF_ERROR)
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
374 {
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
375 l -> len = 0; /* null out bogus line */
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
376 l -> insn = -1;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
377 l -> err_testmode = error_code;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
378 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
379
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
380 char buf[128];
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
381 sprintf(buf, "wrong error code (%d)", error_code);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
382 lwasm_error_testmode(l, buf, 0);
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
383 return;
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
384 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
385 }
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
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 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
388
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
389 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
390 {
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
391 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
392 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
393 as->warningcount++;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
394 }
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
395 else
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
396 {
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
397 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
398 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
399 as->errorcount++;
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
400 }
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
401
375
71f507f404f1 Add "testmode" pragma
William Astle <lost@l-w.ca>
parents: 374
diff changeset
402 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
403 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
404
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
405 e -> mess = lw_strdup(msg);
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
406 }
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
407
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
408 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
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 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
411 }
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
412
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
413 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
414 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
415 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
416 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
417
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
418 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
419
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
420 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
421
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
422 va_start(args, fmt);
226
7c2c2239ec9c Make unicorns grok errors and warnings.
William Astle <lost@l-w.ca>
parents: 216
diff changeset
423
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
424 (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
425
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
426 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
427
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
428 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
429 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
430
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
431 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
432 {
2c24602be78f 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 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
434 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
435 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
436 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
437 }
2c24602be78f 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
2c24602be78f 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 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
440 {
473
8181ddd707f1 Add "nooutput" pragma
William Astle <lost@l-w.ca>
parents: 470
diff changeset
441 if (CURPRAGMA(cl, PRAGMA_NOOUTPUT))
8181ddd707f1 Add "nooutput" pragma
William Astle <lost@l-w.ca>
parents: 470
diff changeset
442 return;
13
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
443 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
444 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
445 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
446 return;
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
447 }
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
448 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
449 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
450
2c24602be78f 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 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
452 {
2c24602be78f 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 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
454 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
455 }
2c24602be78f 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 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
457
2c24602be78f 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 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
459 {
2c24602be78f 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 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
461 // 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
462 // 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
463 // 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
464 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
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 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
467 (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
468 (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
469 (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
470 (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
471 (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
472 (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
473 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
474 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
475 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
476 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
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 (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
479 (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
480 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
481 }
2c24602be78f 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 }
2c24602be78f 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 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
485 {
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
486 if (cl->cycle_base == 0)
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
487 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
488
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
489 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
490 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
491 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
492 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
493
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
494 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
495 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
496 asmstate_t *as = priv;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
497 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
498 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
499
2c24602be78f 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 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
501 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
502
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
503 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
504 && !((*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
505 && !((*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
506 && !((*p)[1] >= '0' && (*p)[1] <= '9')
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
507 )
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
508 {
142
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
509 (*p)++;
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
510 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
511 }
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
512
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
513 if (**p == '*')
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
514 {
697bc543368c Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents: 113
diff changeset
515 // 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
516 (*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
517 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
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
2c24602be78f 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 // 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
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 {
2c24602be78f 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 (*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
524 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
525 }
2c24602be78f 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 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
527 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
528 (*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
529 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
530 }
2c24602be78f 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
2c24602be78f 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 // 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
533 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
534 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
535 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
536 (*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
537 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
538 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
539 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
540 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
541 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
542 (*p) += 2;
326
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
543
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
544 if (**p == '"')
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
545 (*p)++;
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
546
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
547 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
548 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
549
380
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
550 /* double ASCII constant, like LDD #'MG */
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
551 if (CURPRAGMA(as->cl, PRAGMA_M80EXT))
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 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
554 {
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
555 int v;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
556 (*p)++;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
557 if (!**p)
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
558 return NULL;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
559 if (!*((*p) + 1))
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
560 return NULL;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
561 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
562 (*p) += 2;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
563
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
564 if ((**p == '"') || (**p == '\''))
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
565 (*p)++;
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
566
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
567 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
568 }
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
569 }
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
570
17fcd0c3ee45 Allow multibyte ascii constants in m80ext mode
William Astle <lost@l-w.ca>
parents: 376
diff changeset
571 /* 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
572 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
573 {
2c24602be78f 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 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
575
2c24602be78f 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 (*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
577 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
578 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
579
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
580 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
581 (*p)++;
326
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
582
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
583 if (**p == '\'')
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
584 (*p)++;
d399df78e1ab Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents: 256
diff changeset
585
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
586 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
587 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
588
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
589 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
590 {
113
7e621e00b887 Fixed uninitialized variable in &-prefix and %-prefix constant parsing
lost@l-w.ca
parents: 98
diff changeset
591 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
592 // 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
593 (*p)++;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
594
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
595 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
596 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
597 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
598 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
599 }
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
600
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
601 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
602 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
603 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
604 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
605 (*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
606 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
607 }
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
608
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
609 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
610 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
611 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
612 (*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
613 }
95
a23f732c5ce8 Fixed &-prefix decimal constant parse problem
lost@l-w.ca
parents: 94
diff changeset
614 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
615 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
616
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
617 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
618 {
113
7e621e00b887 Fixed uninitialized variable in &-prefix and %-prefix constant parsing
lost@l-w.ca
parents: 98
diff changeset
619 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
620 // 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
621 (*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
622
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
623 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
624 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
625 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
626 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
627 }
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
628
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
629 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
630 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
631 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
632 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
633 (*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
634 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
635 }
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
636
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
637 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
638 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
639 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
640 (*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
641 }
94
61c084b2c727 Fixed bug parsing %-prefix binary constants
lost@l-w.ca
parents: 70
diff changeset
642 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
643 }
576
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
644 if (**p == '0' && (*((*p)+1) == 'b' || *((*p)+1) == 'B'))
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
645 {
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
646 val = 0;
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
647 // binary constant
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
648 (*p) += 2;
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
649
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
650 if (**p != '0' && **p != '1')
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
651 {
582
1ede8f8621cf Actually treat "0b" as 0 since it matches the "b" suffix for binary numbers
William Astle <lost@l-w.ca>
parents: 581
diff changeset
652 // in this case, we have 0 (suffix notation 0b)
1ede8f8621cf Actually treat "0b" as 0 since it matches the "b" suffix for binary numbers
William Astle <lost@l-w.ca>
parents: 581
diff changeset
653 return lw_expr_build(lw_expr_type_int, 0);
576
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
654 }
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
655
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
656 while (**p && (**p == '0' || **p == '1'))
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
657 {
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
658 val = val * 2 + (**p - '0');
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
659 (*p)++;
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
660 }
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
661 return lw_expr_build(lw_expr_type_int, val);
40edb7de3857 Add 0b and 0B as a prefix for binary constants
William Astle <lost@l-w.ca>
parents: 564
diff changeset
662 }
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
663
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
664 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
665 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
666 // 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
667 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
668 (*p)++;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
669 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
670 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
671 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
672 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
673 }
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
674
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
675 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
676 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
677 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
678 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
679 (*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
680 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
681 }
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
682 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
683 {
2c24602be78f 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 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
685 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
686 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
687 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
688 (*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
689 }
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
690 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
691 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
692
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
693 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
694 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
695 // 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
696 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
697 (*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
698
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
699 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
700 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
701 (*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
702 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
703 }
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
704 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
705 {
2c24602be78f 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 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
707 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
708 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
709 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
710 (*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
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 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
713 }
2c24602be78f 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 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
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 // 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
718 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
719 (*p)++;
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
720 if (**p == '-')
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
721 {
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
722 (*p)++;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
723 neg = -1;
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
724 }
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
725
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
726
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
727 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
728 {
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
729 (*p)--;
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
730 if (neg < 0)
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
731 (*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
732 return NULL;
354
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
733 }
433851a26794 Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents: 336
diff changeset
734
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
735 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
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 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
738 (*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
739 }
44
1bff302e62a3 Accept negative sign after base prefix
lost@l-w.ca
parents: 38
diff changeset
740 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
741 }
2c24602be78f 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
2c24602be78f 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 // 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
745 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
746 {
2c24602be78f 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 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
748 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
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 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
751 {
2c24602be78f 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 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
753 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
754 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
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 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
757 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
758
2c24602be78f 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 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
760 {
2c24602be78f 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 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
762 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
763 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
764 }
2c24602be78f 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
2c24602be78f 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 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
767 {
2c24602be78f 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 // 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
769 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
770 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
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 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
773 (*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
774 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
775 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
776 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
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 } 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
779
2c24602be78f 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 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
781 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
782
2c24602be78f 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 // 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
784 {
2c24602be78f 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 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
786 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
787 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
788 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
789 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
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 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
792 {
2c24602be78f 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 (!**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
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 // 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
796 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
797 {
2c24602be78f 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 // 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
799 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
800 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
801 }
2c24602be78f 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 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
803 {
2c24602be78f 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 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
805 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
806 }
2c24602be78f 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 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
808 {
2c24602be78f 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 // 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
810 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
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 }
2c24602be78f 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 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
815 (*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
816
2c24602be78f 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 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
818 {
2c24602be78f 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 // 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
820 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
821 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
822 }
2c24602be78f 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 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
825 {
2c24602be78f 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 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
827 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
828 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
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 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
831 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
832 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
833 }
2c24602be78f 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 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
835 {
2c24602be78f 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 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
837 }
2c24602be78f 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 /* 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
839
2c24602be78f 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 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
841 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
842 {
2c24602be78f 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 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
844 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
845 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
846 }
2c24602be78f 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 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
848 {
2c24602be78f 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 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
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 /* 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
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 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
854 // 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
855 // 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
856 // 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
857 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
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 // 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
860 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
861 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
862 }
2c24602be78f 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 /* 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
864
2c24602be78f 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 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
866 // 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
867 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
868 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
869 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
870 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
871 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
872 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
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 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
875 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
876 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
877 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
878 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
879 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
880 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
881 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
882 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
883 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
884 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
885 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
886 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
887 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
888 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
889 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
890 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
891 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
892 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
893 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
894 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
895 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
896
2c24602be78f 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 // 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
898 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
899 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
900
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
901 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
902 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
903
2c24602be78f 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 // 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
905 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
906 }
2c24602be78f 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 // 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
908 }
2c24602be78f 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 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
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 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
913
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
914 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
915 {
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
916 lw_expr_setwidth(as->exprwidth);
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
917 if (CURPRAGMA(as -> cl, PRAGMA_NEWSOURCE))
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
918 e = lw_expr_parse(p, as);
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
919 else
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
920 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
921 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
922 }
433dbc18fb41 Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents: 354
diff changeset
923 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
924 {
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
925 if (CURPRAGMA(as -> cl, PRAGMA_NEWSOURCE))
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
926 e = lw_expr_parse(p, as);
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
927 else
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
928 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
929 }
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
930 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
931 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
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
2c24602be78f 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 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
935 {
216
398773d7e504 Fix crash bug on indexed expression handling
William Astle <lost@l-w.ca>
parents: 211
diff changeset
936 if (expr)
398773d7e504 Fix crash bug on indexed expression handling
William Astle <lost@l-w.ca>
parents: 211
diff changeset
937 lw_expr_simplify(expr, as);
2
7317fbe024af Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents: 0
diff changeset
938 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
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
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
941 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
942 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
943 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
944
2c24602be78f 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 (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
946 {
2c24602be78f 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 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
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 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
950 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
951 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
952 }
2c24602be78f 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
2c24602be78f 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 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
956 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
957 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
958 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
959 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
960 }
2c24602be78f 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 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
963 {
2c24602be78f 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 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
965
2c24602be78f 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 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
967 {
2c24602be78f 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 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
969 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
970 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
971 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
972 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
973 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
974 }
2c24602be78f 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
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
976 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
977 {
399
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
978 if (CURPRAGMA(cl, PRAGMA_NEWSOURCE))
6153cb49403c Initial commit of pragma newsource
William Astle <lost@l-w.ca>
parents: 388
diff changeset
979 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
980 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
981 /* 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
982 }
2c24602be78f 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
432
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
984 struct auxdata {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
985 int v;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
986 int oc;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
987 int ms;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
988 };
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
989
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
990 int lwasm_emitexpr_auxlwmod(lw_expr_t expr, void *arg)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
991 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
992 struct auxdata *ad = arg;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
993 if (lw_expr_istype(expr, lw_expr_type_int))
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
994 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
995 ad -> v = lw_expr_intval(expr);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
996 return 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
997 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
998 if (lw_expr_istype(expr, lw_expr_type_special))
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
999 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1000 if (lw_expr_specint(expr) == lwasm_expr_secbase)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1001 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1002 sectiontab_t *s;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1003 s = lw_expr_specptr(expr);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1004 if (strcmp(s -> name, "main") == 0)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1005 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1006 ad -> ms = 1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1007 return 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1008 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1009 if (strcmp(s -> name, "bss"))
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1010 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1011 return 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1012 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1013 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1014 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1015 if (lw_expr_whichop(expr) == lw_expr_oper_plus)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1016 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1017 if (ad -> oc)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1018 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1019 ad -> oc = 1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1020 return 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1021 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1022 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1023 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1024
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 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
1026 {
2c24602be78f 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 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
1028 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
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 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
1031 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
1032 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
1033
2c24602be78f 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 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
1035 {
2c24602be78f 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 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
1037 }
2c24602be78f 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 // 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
1039 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
1040 {
432
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1041 if (l -> as -> output_format == OUTPUT_LWMOD)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1042 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1043 reloctab_t *re;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1044 lw_expr_t te;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1045 struct auxdata ad;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1046 ad.v = 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1047 ad.oc = 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1048 ad.ms = 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1049
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1050 if (l -> csect == NULL)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1051 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1052 lwasm_register_error(l -> as, l, E_INSTRUCTION_SECTION);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1053 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1054 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1055 if (size != 2)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1056 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1057 lwasm_register_error(l -> as, l, E_OPERAND_BAD);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1058 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1059 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1060 // we have a 16 bit reference here - we need to check to make sure
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1061 // it's at most a + or - with the BSS section base
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1062 v = lw_expr_whichop(expr);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1063 if (v == -1)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1064 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1065 v = 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1066 if (lw_expr_testterms(expr, lwasm_emitexpr_auxlwmod, &ad) != 0)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1067 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1068 lwasm_register_error(l -> as, l, E_COMPLEX_INCOMPLETE);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1069 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1070 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1071 v = ad.v;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1072 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1073 else if (v == lw_expr_oper_plus)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1074 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1075 v = 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1076 if (lw_expr_operandcount(expr) > 2)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1077 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1078 lwasm_register_error(l -> as, l, E_COMPLEX_INCOMPLETE);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1079 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1080 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1081 if (lw_expr_testterms(expr, lwasm_emitexpr_auxlwmod, &ad) != 0)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1082 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1083 lwasm_register_error(l -> as, l, E_COMPLEX_INCOMPLETE);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1084 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1085 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1086 v = ad.v;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1087 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1088 else
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1089 {
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1090 lwasm_register_error(l -> as, l, E_COMPLEX_INCOMPLETE);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1091 return -1;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1092 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1093
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1094 // add "expression" record to section table
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1095 re = lw_alloc(sizeof(reloctab_t));
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1096 re -> next = l -> csect -> reloctab;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1097 l -> csect -> reloctab = re;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1098 te = lw_expr_build(lw_expr_type_int, ol);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1099 re -> offset = lw_expr_build(lw_expr_type_oper, lw_expr_oper_plus, l -> addr, te);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1100 lw_expr_destroy(te);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1101 lwasm_reduce_expr(l -> as, re -> offset);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1102 re -> size = size;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1103 if (ad.ms == 1)
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1104 re -> expr = lw_expr_copy(expr);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1105 else
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1106 re -> expr = NULL;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1107
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1108 lwasm_emit(l, v >> 8);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1109 lwasm_emit(l, v & 0xff);
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1110 return 0;
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1111 }
58cafa61ab40 Add support for undocumented custom module format (for LW)
William Astle <lost@l-w.ca>
parents: 413
diff changeset
1112 else if (l -> as -> output_format == OUTPUT_OBJ)
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
1113 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1114 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
1115 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
1116
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
1117 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
1118 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
1119 lwasm_register_error(l -> as, l, E_INSTRUCTION_SECTION);
24
421d7ceb4d86 Fixed missing return value
lost@l-w.ca
parents: 13
diff changeset
1120 return -1;
13
c80e5a063967 Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents: 2
diff changeset
1121 }
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
1122
2c24602be78f 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 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
1124 {
2c24602be78f 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 // 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
1126 // 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
1127 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
1128 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
1129 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
1130 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
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 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
1133 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
1134 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
1135 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
1136 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
1137 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
1138 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
1139 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
1140 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
1141
2c24602be78f 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 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
1143 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
1144 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
1145
2c24602be78f 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 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
1147 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
1148 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
1149 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
1150 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
1151 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
1152 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
1153 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
1154 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
1155 }
2c24602be78f 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 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
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 // 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
1159 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
1160 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
1161 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
1162 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
1163 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
1164 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
1165 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
1166 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
1167 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
1168 }
2c24602be78f 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 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
1170 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
1171 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
1172 }
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
1173 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
1174 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
1175 }
2c24602be78f 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
2c24602be78f 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 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
1178 {
2c24602be78f 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 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
1180 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
1181 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
1182 /* 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
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 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
1185 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
1186 /* 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
1187
2c24602be78f 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 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
1189 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
1190 }
2c24602be78f 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
2c24602be78f 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 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
1193 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1194
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1195 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
1196 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1197 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
1198
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1199 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
1200 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1201 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
1202 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1203 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
1204 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
1205 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
1206 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
1207 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1208 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
1209 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
1210 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1211 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
1212 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
1213 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
1214 (*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
1215 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
1216 (*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
1217 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
1218 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1219
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1220 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
1221 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1222 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
1223
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1224 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
1225 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1226 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
1227 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1228 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
1229 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
1230 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
1231 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1232 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
1233 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
1234 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
1235 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
1236 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1237 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1238 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
1239 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
1240 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1241 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
1242 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
1243 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
1244 (*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
1245 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
1246 (*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
1247 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
1248 (*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
1249 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
1250 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1251
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1252 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
1253 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1254 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
1255 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
1256
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1257 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
1258 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1259 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
1260 continue;
388
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1261
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1262 // trim "include:" if it appears
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1263 char* s = cl->linespec;
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1264 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
1265 while (*s == ' ') s++;
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1266
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
1267 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
1268 {
388
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1269 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
1270 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1271 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
1272 {
388
f813a56178c0 Make error output more friendly to IDEs
William Astle <lost@l-w.ca>
parents: 382
diff changeset
1273 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
1274 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1275 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
1276 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1277 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1278
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1279 /*
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1280 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
1281 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
1282 */
374
8e25147c2aa8 Clean up various "externs"
William Astle <lost@l-w.ca>
parents: 370
diff changeset
1283 void do_pass3(asmstate_t *as);
8e25147c2aa8 Clean up various "externs"
William Astle <lost@l-w.ca>
parents: 370
diff changeset
1284 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
1285
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1286 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
1287 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1288 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
1289 // 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
1290 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1291
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1292 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
1293 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1294 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
1295
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1296 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
1297 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
1298 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
1299
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1300 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
1301 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 366
diff changeset
1302 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
1303 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
1304 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1305
210
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1306 /* handle condundefzero */
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1307 if (CURPRAGMA(as -> cl, PRAGMA_CONDUNDEFZERO))
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1308 {
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1309 as -> undefzero = 1;
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1310 lwasm_reduce_expr(as, e);
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1311 as -> undefzero = 0;
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1312 }
5d969517db74 Added condundefzero pragma
William Astle <lost@l-w.ca>
parents: 209
diff changeset
1313
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
1314 /* 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
1315 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
1316 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
1317 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
1318 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
1319 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
1320 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
1321 /* 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
1322 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
1323 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
1324 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
1325 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
1326 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
1327 */
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1328
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1329 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
1330
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1331 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
1332 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1333 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
1334 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
1335 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
1336 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
1337 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
1338 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
1339 }
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1340
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1341 struct range_data
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1342 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1343 int min;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1344 int max;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1345 asmstate_t *as;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1346 };
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1347 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
1348 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
1349 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1350 struct range_data *rd = info;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1351 int i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1352
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1353 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
1354 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1355 i = lw_expr_intval(e);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1356 rd -> min += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1357 rd -> max += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1358 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1359 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1360
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1361 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
1362 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1363 line_t *l;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1364 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
1365 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1366 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1367 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1368 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1369 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
1370 if (l -> len == -1)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1371 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1372 rd -> min += l -> minlen;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1373 rd -> max += l -> maxlen;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1374 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1375 else
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1376 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1377 rd -> min += l -> len;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1378 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1379 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1380 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1381
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1382 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
1383 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1384 lw_expr_t te;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1385 te = lw_expr_copy(e);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1386 lwasm_reduce_expr(rd -> as, te);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1387 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
1388 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1389 i = lw_expr_intval(te);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1390 rd -> min += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1391 rd -> max += i;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1392 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1393 else
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1394 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1395 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1396 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1397 lw_expr_destroy(te);
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1398 if (rd -> min == -1)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1399 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1400 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1401 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1402
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1403 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
1404 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1405 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
1406 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1407 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1408 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1409 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1410
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1411 rd -> min = -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1412 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1413 }
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1414
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1415 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
1416 {
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1417 struct range_data rd;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1418
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1419 rd.min = 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1420 rd.max = 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1421 rd.as = as;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1422
256
bc25269d96bc Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents: 249
diff changeset
1423 if (!expr)
bc25269d96bc Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents: 249
diff changeset
1424 return -1;
bc25269d96bc Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents: 249
diff changeset
1425
241
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1426 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
1427 *min = rd.min;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1428 *max = rd.max;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1429 if (rd.min == -1)
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1430 return -1;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1431 return 0;
d0e9dbe9afbe Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents: 240
diff changeset
1432 }
336
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1433
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1434 void lwasm_reduce_line_exprs(line_t *cl)
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1435 {
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1436 asmstate_t *as;
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1437 struct line_expr_s *le;
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1438 int i;
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1439
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1440 as = cl -> as;
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1441 as -> cl = cl;
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1442
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1443 // simplify address
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1444 lwasm_reduce_expr(as, cl -> addr);
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1445
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1446 // simplify data address
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1447 lwasm_reduce_expr(as, cl -> daddr);
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1448
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1449 // simplify each expression
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1450 for (i = 0, le = cl -> exprs; le; le = le -> next, i++)
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1451 {
433
b1adf549d181 Add some debugging instrumentation for tracking an expression bug
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diff changeset
1452 debug_message(as, 101, "Reduce expressions: (pre) exp[%d] = %s", i, lw_expr_print(le -> expr));
336
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1453 lwasm_reduce_expr(as, le -> expr);
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diff changeset
1454 debug_message(as, 100, "Reduce expressions: exp[%d] = %s", i, lw_expr_print(le -> expr));
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1455 }
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diff changeset
1456
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1457 if (cl -> len == -1 || cl -> dlen == -1)
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1458 {
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1459 // try resolving the instruction length
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1460 // but don't force resolution
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1461 if (cl -> insn >= 0 && instab[cl -> insn].resolve)
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1462 {
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1463 (instab[cl -> insn].resolve)(as, cl, 0);
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1464 if ((cl -> inmod == 0) && cl -> len >= 0 && cl -> dlen >= 0)
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1465 {
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1466 if (cl -> len == 0)
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1467 cl -> len = cl -> dlen;
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1468 else
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1469 cl -> dlen = cl -> len;
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1470 }
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1471 }
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1472 }
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1473 debug_message(as, 100, "Reduce expressions: len = %d", cl -> len);
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1474 debug_message(as, 100, "Reduce expressions: dlen = %d", cl -> dlen);
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1475 debug_message(as, 100, "Reduce expressions: addr = %s", lw_expr_print(cl -> addr));
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1476 debug_message(as, 100, "Reduce expressions: daddr = %s", lw_expr_print(cl -> daddr));
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1477 }