Mercurial > hg > index.cgi
annotate lwasm/lwasm.c @ 374:8e25147c2aa8
Clean up various "externs"
Apparently some compilers seriously choke on the "extern" keyword in some
circumstances where GCC does not. Remove most instances of "extern" to guard
against that.
Thanks to Erik G <erik@6809.org> for the patch.
author | William Astle <lost@l-w.ca> |
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date | Mon, 13 Jul 2015 20:31:56 -0600 |
parents | 8764142b3192 |
children | 71f507f404f1 |
rev | line source |
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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 |
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31 #include "lwasm.h" |
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32 #include "instab.h" |
0
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33 |
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34 int lwasm_expr_exportable(asmstate_t *as, lw_expr_t expr) |
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35 { |
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36 return 0; |
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37 } |
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38 |
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39 int lwasm_expr_exportval(asmstate_t *as, lw_expr_t expr) |
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40 { |
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41 return 0; |
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42 } |
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43 |
249
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44 void lwasm_dividezero(void *priv) |
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45 { |
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46 asmstate_t *as = (asmstate_t *)priv; |
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47 lwasm_register_error(as, as -> cl, E_DIV0); |
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48 } |
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49 |
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50 lw_expr_t lwasm_evaluate_var(char *var, void *priv) |
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51 { |
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52 asmstate_t *as = (asmstate_t *)priv; |
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53 lw_expr_t e; |
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54 importlist_t *im; |
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55 struct symtabe *s; |
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56 |
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57 s = lookup_symbol(as, as -> cl, var); |
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58 if (s) |
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59 { |
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60 e = lw_expr_build(lw_expr_type_special, lwasm_expr_syment, s); |
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61 return e; |
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62 } |
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63 |
210 | 64 if (as -> undefzero) |
65 { | |
66 e = lw_expr_build(lw_expr_type_int, 0); | |
67 return e; | |
68 } | |
69 | |
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70 // undefined here is undefied unless output is object |
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71 if (as -> output_format != OUTPUT_OBJ) |
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72 goto nomatch; |
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73 |
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74 // check for import |
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75 for (im = as -> importlist; im; im = im -> next) |
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76 { |
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77 if (!strcmp(im -> symbol, var)) |
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78 break; |
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79 } |
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80 |
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81 // check for "undefined" to import automatically |
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82 if ((as -> passno != 0) && !im && CURPRAGMA(as -> cl, PRAGMA_UNDEFEXTERN)) |
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83 { |
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84 im = lw_alloc(sizeof(importlist_t)); |
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85 im -> symbol = lw_strdup(var); |
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86 im -> next = as -> importlist; |
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87 as -> importlist = im; |
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88 } |
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89 |
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90 if (!im) |
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91 goto nomatch; |
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92 |
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93 e = lw_expr_build(lw_expr_type_special, lwasm_expr_import, im); |
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94 return e; |
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95 |
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96 nomatch: |
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97 if (as -> badsymerr) |
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98 { |
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99 lwasm_register_error2(as, as -> cl, E_SYMBOL_UNDEFINED, "%s", var); |
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100 } |
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101 return NULL; |
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102 } |
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103 |
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104 lw_expr_t lwasm_evaluate_special(int t, void *ptr, void *priv) |
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105 { |
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106 switch (t) |
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107 { |
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108 case lwasm_expr_secbase: |
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109 { |
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110 // sectiontab_t *s = priv; |
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111 asmstate_t *as = priv; |
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112 if (as -> exportcheck && ptr == as -> csect) |
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113 return lw_expr_build(lw_expr_type_int, 0); |
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114 if (((sectiontab_t *)ptr) -> flags & section_flag_constant) |
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115 return lw_expr_build(lw_expr_type_int, 0); |
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116 return NULL; |
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117 } |
142
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118 |
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119 case lwasm_expr_linedlen: |
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120 { |
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121 line_t *cl = ptr; |
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122 if (cl -> dlen == -1) |
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123 return NULL; |
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124 return lw_expr_build(lw_expr_type_int, cl -> dlen); |
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125 } |
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|
126 break; |
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diff
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|
127 |
0
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|
128 case lwasm_expr_linelen: |
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|
129 { |
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130 line_t *cl = ptr; |
211
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diff
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|
131 if (cl -> len != -1) |
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parents:
210
diff
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|
132 return lw_expr_build(lw_expr_type_int, cl -> len); |
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Improve autobranchlength pragma
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parents:
210
diff
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|
133 |
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parents:
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diff
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134 if (cl -> as -> pretendmax) |
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parents:
210
diff
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|
135 { |
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parents:
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diff
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|
136 if (cl -> maxlen != 0) |
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parents:
210
diff
changeset
|
137 { |
240 | 138 //fprintf(stderr, "Pretending max, len = %d\n", cl -> maxlen); |
211
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139 return lw_expr_build(lw_expr_type_int, cl -> maxlen); |
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parents:
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|
140 } |
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parents:
210
diff
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|
141 } |
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|
142 return NULL; |
0
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|
143 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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144 break; |
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145 |
142
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146 case lwasm_expr_linedaddr: |
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|
147 { |
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148 line_t *cl = ptr; |
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149 return lw_expr_copy(cl -> daddr); |
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|
150 } |
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|
151 |
0
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152 case lwasm_expr_lineaddr: |
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153 { |
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154 line_t *cl = ptr; |
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155 if (cl -> addr) |
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156 return lw_expr_copy(cl -> addr); |
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157 else |
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158 return NULL; |
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159 } |
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160 |
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161 case lwasm_expr_syment: |
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162 { |
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163 struct symtabe *sym = ptr; |
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164 return lw_expr_copy(sym -> value); |
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165 } |
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166 |
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167 case lwasm_expr_import: |
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168 { |
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169 return NULL; |
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|
170 } |
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171 |
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172 case lwasm_expr_nextbp: |
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173 { |
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174 line_t *cl = ptr; |
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175 for (cl = cl -> next; cl; cl = cl -> next) |
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176 { |
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177 if (cl -> isbrpt) |
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178 break; |
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179 } |
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180 if (cl) |
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181 { |
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182 return lw_expr_copy(cl -> addr); |
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183 } |
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184 return NULL; |
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parents:
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|
185 } |
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186 |
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187 case lwasm_expr_prevbp: |
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188 { |
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189 line_t *cl = ptr; |
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190 for (cl = cl -> prev; cl; cl = cl -> prev) |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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|
191 { |
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192 if (cl -> isbrpt) |
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193 break; |
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|
194 } |
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195 if (cl) |
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|
196 { |
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197 return lw_expr_copy(cl -> addr); |
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|
198 } |
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199 return NULL; |
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parents:
diff
changeset
|
200 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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|
201 } |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
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|
202 return NULL; |
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Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
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parents:
diff
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|
203 } |
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204 |
370
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205 const char* lwasm_lookup_error(lwasm_errorcode_t error_code) |
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|
206 { |
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|
207 switch (error_code) |
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|
208 { |
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|
209 case E_6309_INVALID: return "Illegal use of 6309 instruction in 6809 mode"; |
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210 case E_6809_INVALID: return "Illegal use of 6809 instruction in 6309 mode"; |
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|
211 case E_ALIGNMENT_INVALID: return "Invalid alignment"; |
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212 case E_BITNUMBER_INVALID: return "Invalid bit number"; |
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213 case E_BITNUMBER_UNRESOLVED: return "Bit number must be fully resolved"; |
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|
214 case E_BYTE_OVERFLOW: return "Byte overflow"; |
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|
215 case E_CONDITION_P1: return "Conditions must be constant on pass 1"; |
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216 case E_DIRECTIVE_OS9_ONLY: return "Directive only valid for OS9 target"; |
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366
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|
217 case E_DIV0: return "Division by zero"; |
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218 case E_EXEC_ADDRESS: return "Exec address not constant!"; |
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219 case E_EXPRESSION_BAD: return "Bad expression"; |
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|
220 case E_EXPRESSION_NOT_CONST: return "Expression must be constant"; |
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|
221 case E_EXPRESSION_NOT_RESOLVED: return "Expression not fully resolved"; |
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|
222 case E_FILE_OPEN: return "Cannot open file"; |
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|
223 case E_FILENAME_MISSING: return "Missing filename"; |
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|
224 case E_FILL_INVALID: return "Invalid fill length"; |
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|
225 case E_IMMEDIATE_INVALID: return "Immediate mode not allowed"; |
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|
226 case E_IMMEDIATE_UNRESOLVED: return "Immediate byte must be fully resolved"; |
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|
227 case E_INSTRUCTION_FAILED: return "Instruction failed to resolve."; |
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|
228 case E_INSTRUCTION_SECTION: return "Instruction generating output outside of a section"; |
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|
229 case E_LINE_ADDRESS: return "Cannot resolve line address"; |
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|
230 case E_LINED_ADDRESS: return "Cannot resolve line data address"; |
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|
231 case E_OBJTARGET_ONLY: return "Only supported for object target"; |
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|
232 case E_OPCODE_BAD: return "Bad opcode"; |
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|
233 case E_OPERAND_BAD: return "Bad operand"; |
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|
234 case E_PADDING_BAD: return "Bad padding"; |
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diff
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|
235 case E_PRAGMA_UNRECOGNIZED: return "Unrecognized pragma string"; |
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diff
changeset
|
236 case E_REGISTER_BAD: return "Bad register"; |
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diff
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|
237 case E_SETDP_INVALID: return "SETDP not permitted for object target"; |
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diff
changeset
|
238 case E_SETDP_NOT_CONST: return "SETDP must be constant on pass 1"; |
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diff
changeset
|
239 case E_STRING_BAD: return "Bad string condition"; |
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366
diff
changeset
|
240 case E_SYMBOL_BAD: return "Bad symbol"; |
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366
diff
changeset
|
241 case E_SYMBOL_MISSING: return "Missing symbol"; |
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diff
changeset
|
242 case E_SYMBOL_UNDEFINED_EXPORT: return "Undefined exported symbol"; |
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366
diff
changeset
|
243 case E_MACRO_DUPE: return "Duplicate macro definition"; |
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366
diff
changeset
|
244 case E_MACRO_ENDM: return "ENDM without MACRO"; |
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diff
changeset
|
245 case E_MACRO_NONAME: return "Missing macro name"; |
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diff
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|
246 case E_MACRO_RECURSE: return "Attempt to define a macro inside a macro"; |
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diff
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|
247 case E_MODULE_IN: return "Already in a module!"; |
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248 case E_MODULE_NOTIN: return "Not in a module!"; |
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249 case E_NEGATIVE_BLOCKSIZE: return "Negative block sizes make no sense!"; |
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250 case E_NEGATIVE_RESERVATION: return "Negative reservation sizes make no sense!"; |
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251 case E_NW_8: return "n,W cannot be 8 bit"; |
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252 case E_SECTION_END: return "ENDSECTION without SECTION"; |
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253 case E_SECTION_EXTDEP: return "EXTDEP must be within a section"; |
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254 case E_SECTION_FLAG: return "Unrecognized section flag"; |
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255 case E_SECTION_NAME: return "Need section name"; |
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256 case E_SECTION_TARGET: return "Cannot use sections unless using the object target"; |
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257 case E_STRUCT_DUPE: return "Duplicate structure definition"; |
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258 case E_STRUCT_NONAME: return "Cannot declare a structure without a symbol name."; |
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259 case E_STRUCT_NOSYMBOL: return "Structure definition with no effect - no symbol"; |
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260 case E_STRUCT_RECURSE: return "Attempt to define a structure inside a structure"; |
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261 case E_SYMBOL_DUPE: return "Multiply defined symbol"; |
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262 case E_UNKNOWN_OPERATION: return "Unknown operation"; |
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263 |
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264 case W_ENDSTRUCT_WITHOUT: return "ENDSTRUCT without STRUCT"; |
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265 case W_DUPLICATE_SECTION: return "Section flags can only be specified the first time; ignoring duplicate definition"; |
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266 case W_NOT_SUPPORTED: return "Not supported"; |
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267 |
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268 default: return "Error"; |
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269 } |
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270 } |
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271 |
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272 void lwasm_register_error_real(asmstate_t *as, line_t *l, lwasm_errorcode_t err, const char *msg) |
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273 { |
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274 lwasm_error_t *e; |
209 | 275 |
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276 if (!l) |
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277 return; |
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278 |
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279 e = lw_alloc(sizeof(lwasm_error_t)); |
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280 |
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281 if (err >= 1000) |
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282 { |
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283 e->next = l->warn; |
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284 l->warn = e; |
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285 as->warningcount++; |
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286 } |
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287 else |
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288 { |
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289 e->next = l->err; |
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290 l->err = e; |
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291 as->errorcount++; |
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292 } |
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293 |
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294 e -> charpos = -1; |
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295 |
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296 e -> mess = lw_strdup(msg); |
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297 } |
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298 |
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299 void lwasm_register_error(asmstate_t *as, line_t *l, lwasm_errorcode_t err) |
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300 { |
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301 lwasm_register_error_real(as, l, err, lwasm_lookup_error(err)); |
226
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302 } |
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303 |
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304 void lwasm_register_error2(asmstate_t *as, line_t *l, lwasm_errorcode_t err, const char* fmt, ...) |
226
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305 { |
370
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306 char errbuff[1024]; |
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307 char f[128]; |
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308 |
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309 sprintf(f, "%s %s", lwasm_lookup_error(err), fmt); |
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310 |
226
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311 va_list args; |
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312 |
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313 va_start(args, fmt); |
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314 |
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315 (void) vsnprintf(errbuff, 1024, f, args); |
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316 |
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317 lwasm_register_error_real(as, l, err, errbuff); |
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318 |
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319 va_end(args); |
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320 } |
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321 |
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322 int lwasm_next_context(asmstate_t *as) |
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323 { |
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324 int r; |
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325 r = as -> nextcontext; |
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326 as -> nextcontext++; |
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327 return r; |
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328 } |
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329 |
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330 void lwasm_emit(line_t *cl, int byte) |
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331 { |
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332 if (cl -> as -> output_format == OUTPUT_OBJ && cl -> csect == NULL) |
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333 { |
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334 lwasm_register_error(cl -> as, cl, E_INSTRUCTION_SECTION); |
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335 return; |
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336 } |
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337 if (cl -> outputl < 0) |
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338 cl -> outputl = 0; |
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339 |
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340 if (cl -> outputl == cl -> outputbl) |
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341 { |
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342 cl -> output = lw_realloc(cl -> output, cl -> outputbl + 8); |
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343 cl -> outputbl += 8; |
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344 } |
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345 cl -> output[cl -> outputl++] = byte & 0xff; |
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346 |
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347 if (cl -> inmod) |
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348 { |
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349 asmstate_t *as = cl -> as; |
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350 // update module CRC |
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351 // this is a direct transliteration from the nitros9 asm source |
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352 // to C; it can, no doubt, be optimized for 32 bit processing |
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353 byte &= 0xff; |
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354 |
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355 byte ^= (as -> crc)[0]; |
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356 (as -> crc)[0] = (as -> crc)[1]; |
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357 (as -> crc)[1] = (as -> crc)[2]; |
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358 (as -> crc)[1] ^= (byte >> 7); |
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359 (as -> crc)[2] = (byte << 1); |
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360 (as -> crc)[1] ^= (byte >> 2); |
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361 (as -> crc)[2] ^= (byte << 6); |
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362 byte ^= (byte << 1); |
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363 byte ^= (byte << 2); |
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364 byte ^= (byte << 4); |
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365 if (byte & 0x80) |
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366 { |
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367 (as -> crc)[0] ^= 0x80; |
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368 (as -> crc)[2] ^= 0x21; |
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369 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
370 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
371 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
372 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
373 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
|
374 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
375 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
|
376 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
|
377 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
|
378 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
379 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
380 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
|
381 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
382 asmstate_t *as = priv; |
44 | 383 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
|
384 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
|
385 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
386 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
|
387 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
|
388 |
142
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
389 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
|
390 && !((*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
|
391 && !((*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
|
392 && !((*p)[1] >= '0' && (*p)[1] <= '9') |
142
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
393 ) |
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
|
394 { |
142
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
395 (*p)++; |
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
396 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
|
397 } |
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
398 |
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
399 if (**p == '*') |
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
400 { |
697bc543368c
Implement distinction between . and * for OS9 modules
lost@l-w.ca
parents:
113
diff
changeset
|
401 // 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
|
402 (*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
|
403 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
|
404 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
405 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
406 // 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
|
407 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
|
408 { |
2c24602be78f
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 (*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
|
410 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
|
411 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
412 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
|
413 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
414 (*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
|
415 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
|
416 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
417 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
418 // 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
|
419 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
|
420 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
421 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
|
422 (*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
|
423 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
|
424 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
|
425 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
|
426 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
|
427 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
|
428 (*p) += 2; |
326
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
429 |
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
430 if (**p == '"') |
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
431 (*p)++; |
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
432 |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
433 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
|
434 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
435 |
2c24602be78f
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 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
|
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 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
|
439 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
440 (*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
|
441 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
|
442 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
|
443 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
444 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
|
445 (*p)++; |
326
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
446 |
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
447 if (**p == '\'') |
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
448 (*p)++; |
d399df78e1ab
Allow trailing ' or " on ascii constants
Tom LeMense <tlemense@yahoo.com>
parents:
256
diff
changeset
|
449 |
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 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
|
451 } |
2c24602be78f
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 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
|
454 { |
113
7e621e00b887
Fixed uninitialized variable in &-prefix and %-prefix constant parsing
lost@l-w.ca
parents:
98
diff
changeset
|
455 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
|
456 // 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
|
457 (*p)++; |
44 | 458 |
459 if (**p == '-') | |
460 { | |
461 (*p)++; | |
462 neg = -1; | |
463 } | |
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
|
464 |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
465 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
|
466 { |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
467 (*p)--; |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
468 if (neg < 0) |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
469 (*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
|
470 return NULL; |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
471 } |
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
|
472 |
2c24602be78f
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 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
|
474 { |
2c24602be78f
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 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
|
476 (*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
|
477 } |
95 | 478 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
|
479 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
480 |
2c24602be78f
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 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
|
482 { |
113
7e621e00b887
Fixed uninitialized variable in &-prefix and %-prefix constant parsing
lost@l-w.ca
parents:
98
diff
changeset
|
483 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
|
484 // 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
|
485 (*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
|
486 |
44 | 487 if (**p == '-') |
488 { | |
489 (*p)++; | |
490 neg = -1; | |
491 } | |
492 | |
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
|
493 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
|
494 { |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
495 (*p)--; |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
496 if (neg < 0) |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
497 (*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
|
498 return NULL; |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
499 } |
0
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
500 |
2c24602be78f
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 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
|
502 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
503 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
|
504 (*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
|
505 } |
94 | 506 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
|
507 } |
2c24602be78f
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 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
509 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
|
510 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
511 // 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
|
512 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
|
513 (*p)++; |
44 | 514 if (**p == '-') |
515 { | |
516 (*p)++; | |
517 neg = -1; | |
518 } | |
519 | |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
520 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
|
521 { |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
522 (*p)--; |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
523 if (neg < 0) |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
524 (*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
|
525 return NULL; |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
526 } |
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
|
527 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
|
528 { |
2c24602be78f
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 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
|
530 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
|
531 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
|
532 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
|
533 (*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 } |
44 | 535 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
|
536 } |
2c24602be78f
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 |
2c24602be78f
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 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
|
539 { |
2c24602be78f
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 // 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
|
541 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
|
542 (*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
|
543 |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
544 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
|
545 { |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
546 (*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
|
547 return NULL; |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
548 } |
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
|
549 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
|
550 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
551 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
|
552 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
|
553 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
|
554 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
|
555 (*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
|
556 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
557 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
|
558 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
559 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
560 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
|
561 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
562 // 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
|
563 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
|
564 (*p)++; |
44 | 565 if (**p == '-') |
566 { | |
567 (*p)++; | |
568 neg = -1; | |
569 } | |
570 | |
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
|
571 |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
572 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
|
573 { |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
574 (*p)--; |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
575 if (neg < 0) |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
576 (*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
|
577 return NULL; |
354
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
578 } |
433851a26794
Make base prefix sigils error out if no number following
William Astle <lost@l-w.ca>
parents:
336
diff
changeset
|
579 |
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
|
580 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
|
581 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
582 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
|
583 (*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
|
584 } |
44 | 585 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
|
586 } |
2c24602be78f
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 // 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
|
590 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
|
591 { |
2c24602be78f
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 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
|
593 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
|
594 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
595 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
|
596 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
597 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
|
598 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
|
599 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
|
600 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
601 if (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
|
602 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
|
603 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
604 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
|
605 { |
2c24602be78f
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 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
|
607 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
|
608 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
|
609 } |
2c24602be78f
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 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
|
612 { |
2c24602be78f
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 // 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
|
614 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
|
615 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
|
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 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
|
618 (*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
|
619 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
|
620 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
|
621 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
|
622 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
623 } 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
|
624 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
625 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
|
626 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
|
627 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
628 // 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
|
629 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
630 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
|
631 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
|
632 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
|
633 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
|
634 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
|
635 |
2c24602be78f
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 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
|
637 { |
2c24602be78f
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 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
|
639 { |
2c24602be78f
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 // 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
|
641 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
|
642 { |
2c24602be78f
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 // 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
|
644 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
|
645 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
|
646 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
647 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
|
648 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
649 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
|
650 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
|
651 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
652 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
|
653 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
654 // 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
|
655 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
|
656 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
657 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
658 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
659 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
|
660 (*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
|
661 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
662 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
|
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 // 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
|
665 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
|
666 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
|
667 } |
2c24602be78f
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 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
669 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
|
670 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
671 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
|
672 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
|
673 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
|
674 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
675 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
|
676 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
|
677 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
|
678 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
679 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
|
680 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
681 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
|
682 } |
2c24602be78f
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 /* 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
|
684 |
2c24602be78f
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 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
|
686 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
|
687 { |
2c24602be78f
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 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
|
689 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
|
690 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
|
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 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
|
693 { |
2c24602be78f
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 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
|
695 } |
2c24602be78f
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 /* 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
|
697 |
2c24602be78f
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 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
|
699 // 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
|
700 // 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
|
701 // 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
|
702 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
|
703 { |
2c24602be78f
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 // 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
|
705 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
|
706 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
|
707 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
708 /* 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
|
709 |
2c24602be78f
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 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
|
711 // 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
|
712 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
|
713 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
|
714 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
|
715 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
|
716 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
|
717 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
|
718 { |
2c24602be78f
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 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
|
720 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
|
721 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
|
722 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
|
723 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
724 if (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
|
725 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
726 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
|
727 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
|
728 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
|
729 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
|
730 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
731 if (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
|
732 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
733 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
|
734 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
|
735 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
|
736 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
|
737 } |
2c24602be78f
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 } |
2c24602be78f
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 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
|
740 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
|
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 // 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
|
743 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
|
744 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
|
745 |
2c24602be78f
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 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
|
747 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
748 |
2c24602be78f
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 // 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
|
750 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
|
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 // 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
|
753 } |
2c24602be78f
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 |
2c24602be78f
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 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
|
756 { |
2c24602be78f
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 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
|
758 |
433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents:
354
diff
changeset
|
759 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
|
760 { |
433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents:
354
diff
changeset
|
761 lw_expr_setwidth(as->exprwidth); |
433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents:
354
diff
changeset
|
762 e = lw_expr_parse(p, as); |
433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents:
354
diff
changeset
|
763 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
|
764 } |
433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents:
354
diff
changeset
|
765 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
|
766 { |
433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents:
354
diff
changeset
|
767 e = lw_expr_parse(p, as); |
433dbc18fb41
Make byte overflow detection for 8 bit immediate not fail with COM operator
William Astle <lost@l-w.ca>
parents:
354
diff
changeset
|
768 } |
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
|
769 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
|
770 } |
2c24602be78f
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 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
|
773 { |
216
398773d7e504
Fix crash bug on indexed expression handling
William Astle <lost@l-w.ca>
parents:
211
diff
changeset
|
774 if (expr) |
398773d7e504
Fix crash bug on indexed expression handling
William Astle <lost@l-w.ca>
parents:
211
diff
changeset
|
775 lw_expr_simplify(expr, as); |
2
7317fbe024af
Clean up insane number of compiler warnings under -Wall
lost@l-w.ca
parents:
0
diff
changeset
|
776 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
|
777 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
778 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
779 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
|
780 { |
2c24602be78f
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 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
|
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 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
|
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 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
|
786 { |
2c24602be78f
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 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
|
788 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
|
789 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
|
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 } |
2c24602be78f
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 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
|
794 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
|
795 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
|
796 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
|
797 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
|
798 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
799 |
2c24602be78f
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 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
|
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 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
|
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 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
|
805 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
806 if (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
|
807 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
808 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
|
809 } |
2c24602be78f
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 } |
2c24602be78f
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 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
|
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 void skip_operand(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
|
815 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
816 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
|
817 /* 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
|
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 |
2c24602be78f
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 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
|
821 { |
2c24602be78f
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 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
|
823 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
|
824 |
2c24602be78f
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 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
|
826 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
|
827 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
|
828 |
2c24602be78f
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 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
|
830 { |
2c24602be78f
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 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
|
832 } |
2c24602be78f
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 // 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
|
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 if (l -> as -> output_format == OUTPUT_OBJ) |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
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 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
|
839 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
|
840 |
c80e5a063967
Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents:
2
diff
changeset
|
841 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
|
842 { |
370
8764142b3192
Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents:
366
diff
changeset
|
843 lwasm_register_error(l -> as, l, E_INSTRUCTION_SECTION); |
24 | 844 return -1; |
13
c80e5a063967
Brought forward patch to fix segfault with output outside of a section
lost@l-w.ca
parents:
2
diff
changeset
|
845 } |
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
|
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 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
|
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 // 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
|
850 // 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
|
851 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
|
852 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
|
853 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
|
854 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
|
855 |
2c24602be78f
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 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
|
857 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
|
858 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
|
859 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
|
860 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
|
861 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
|
862 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
|
863 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
|
864 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
|
865 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
866 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
|
867 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
|
868 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
|
869 |
2c24602be78f
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 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
|
871 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
|
872 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
|
873 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
|
874 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
|
875 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
|
876 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
|
877 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
|
878 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
|
879 } |
2c24602be78f
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 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
|
881 { |
2c24602be78f
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 // 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
|
883 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
|
884 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
|
885 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
|
886 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
|
887 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
|
888 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
|
889 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
|
890 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
|
891 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
|
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 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
|
894 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
|
895 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
|
896 } |
370
8764142b3192
Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents:
366
diff
changeset
|
897 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
|
898 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
|
899 } |
2c24602be78f
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 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
|
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 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
|
904 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
|
905 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
|
906 /* 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
|
907 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
908 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
|
909 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
|
910 /* 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
|
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 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
|
913 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
|
914 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
915 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
916 return 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
|
917 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
918 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
919 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
|
920 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
921 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
|
922 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
923 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
|
924 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
925 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
|
926 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
927 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
|
928 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
|
929 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
|
930 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
|
931 } |
2c24602be78f
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 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
|
933 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
|
934 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
935 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
|
936 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
|
937 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
|
938 (*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
|
939 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
|
940 (*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
|
941 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
|
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 |
2c24602be78f
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 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
|
945 { |
2c24602be78f
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 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
|
947 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
948 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
|
949 { |
2c24602be78f
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 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
|
951 { |
2c24602be78f
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 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
|
953 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
|
954 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
|
955 { |
2c24602be78f
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 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
|
957 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
|
958 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
|
959 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
|
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 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
|
963 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
|
964 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
965 if (!*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
|
966 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
|
967 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
|
968 (*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
|
969 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
|
970 (*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
|
971 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
|
972 (*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
|
973 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
|
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 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
976 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
|
977 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
978 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
|
979 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
|
980 |
2c24602be78f
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 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
|
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 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
|
984 continue; |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
985 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
|
986 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
987 fprintf(stderr, "ERROR: %s\n", e -> mess); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
988 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
989 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
|
990 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
991 fprintf(stderr, "WARNING: %s\n", e -> mess); |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
992 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
993 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
|
994 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
995 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
996 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
997 /* |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
998 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
|
999 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
|
1000 */ |
374 | 1001 void do_pass3(asmstate_t *as); |
1002 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
|
1003 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1004 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
|
1005 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1006 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
|
1007 // 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
|
1008 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1009 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1010 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
|
1011 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1012 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
|
1013 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1014 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
|
1015 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
|
1016 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
|
1017 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1018 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
|
1019 { |
370
8764142b3192
Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents:
366
diff
changeset
|
1020 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
|
1021 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
|
1022 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1023 |
210 | 1024 /* handle condundefzero */ |
1025 if (CURPRAGMA(as -> cl, PRAGMA_CONDUNDEFZERO)) | |
1026 { | |
1027 as -> undefzero = 1; | |
1028 lwasm_reduce_expr(as, e); | |
1029 as -> undefzero = 0; | |
1030 } | |
1031 | |
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
|
1032 /* 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
|
1033 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
|
1034 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
|
1035 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
|
1036 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
|
1037 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
|
1038 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
|
1039 /* 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
|
1040 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
|
1041 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
|
1042 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
|
1043 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
|
1044 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
|
1045 */ |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1046 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1047 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
|
1048 |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1049 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
|
1050 { |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1051 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
|
1052 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
|
1053 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
|
1054 } |
2c24602be78f
Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff
changeset
|
1055 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
|
1056 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
|
1057 } |
241
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1058 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1059 struct range_data |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1060 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1061 int min; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1062 int max; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1063 asmstate_t *as; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1064 }; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1065 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
|
1066 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
|
1067 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1068 struct range_data *rd = info; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1069 int i; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1070 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1071 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
|
1072 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1073 i = lw_expr_intval(e); |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1074 rd -> min += i; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1075 rd -> max += i; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1076 return 0; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1077 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1078 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1079 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
|
1080 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1081 line_t *l; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1082 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
|
1083 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1084 rd -> min = -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1085 return -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1086 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1087 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
|
1088 if (l -> len == -1) |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1089 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1090 rd -> min += l -> minlen; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1091 rd -> max += l -> maxlen; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1092 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1093 else |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1094 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1095 rd -> min += l -> len; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1096 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1097 return 0; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1098 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1099 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1100 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
|
1101 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1102 lw_expr_t te; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1103 te = lw_expr_copy(e); |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1104 lwasm_reduce_expr(rd -> as, te); |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1105 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
|
1106 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1107 i = lw_expr_intval(te); |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1108 rd -> min += i; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1109 rd -> max += i; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1110 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1111 else |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1112 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1113 rd -> min = -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1114 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1115 lw_expr_destroy(te); |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1116 if (rd -> min == -1) |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1117 return -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1118 return 0; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1119 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1120 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1121 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
|
1122 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1123 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
|
1124 return 0; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1125 rd -> min = -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1126 return -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1127 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1128 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1129 rd -> min = -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1130 return -1; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1131 } |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1132 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1133 int lwasm_calculate_range(asmstate_t *as, lw_expr_t expr, int *min, int *max) |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
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parents:
240
diff
changeset
|
1134 { |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1135 struct range_data rd; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1136 |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1137 rd.min = 0; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1138 rd.max = 0; |
d0e9dbe9afbe
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William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1139 rd.as = as; |
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1140 |
256
bc25269d96bc
Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents:
249
diff
changeset
|
1141 if (!expr) |
bc25269d96bc
Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents:
249
diff
changeset
|
1142 return -1; |
bc25269d96bc
Fix crash on expression range calculation
William Astle <lost@l-w.ca>
parents:
249
diff
changeset
|
1143 |
241
d0e9dbe9afbe
Add new heuristic for resolving instruction sizes.
William Astle <lost@l-w.ca>
parents:
240
diff
changeset
|
1144 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
|
1145 *min = rd.min; |
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1146 *max = rd.max; |
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1147 if (rd.min == -1) |
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1148 return -1; |
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1149 return 0; |
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1150 } |
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1151 |
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1152 void lwasm_reduce_line_exprs(line_t *cl) |
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1153 { |
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1154 asmstate_t *as; |
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1155 struct line_expr_s *le; |
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1156 int i; |
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1157 |
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1158 as = cl -> as; |
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1159 as -> cl = cl; |
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1160 |
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1161 // simplify address |
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1162 lwasm_reduce_expr(as, cl -> addr); |
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1163 |
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1164 // simplify data address |
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1165 lwasm_reduce_expr(as, cl -> daddr); |
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1166 |
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1167 // simplify each expression |
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1168 for (i = 0, le = cl -> exprs; le; le = le -> next, i++) |
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1169 { |
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1170 lwasm_reduce_expr(as, le -> expr); |
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1171 debug_message(as, 100, "Reduce expressions: exp[%d] = %s", i, lw_expr_print(le -> expr)); |
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1172 } |
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1173 |
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1174 if (cl -> len == -1 || cl -> dlen == -1) |
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1175 { |
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1176 // try resolving the instruction length |
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1177 // but don't force resolution |
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1178 if (cl -> insn >= 0 && instab[cl -> insn].resolve) |
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1179 { |
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1180 (instab[cl -> insn].resolve)(as, cl, 0); |
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1181 if ((cl -> inmod == 0) && cl -> len >= 0 && cl -> dlen >= 0) |
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1182 { |
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1183 if (cl -> len == 0) |
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1184 cl -> len = cl -> dlen; |
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1185 else |
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1186 cl -> dlen = cl -> len; |
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1187 } |
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1188 } |
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1189 } |
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1190 debug_message(as, 100, "Reduce expressions: len = %d", cl -> len); |
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1191 debug_message(as, 100, "Reduce expressions: dlen = %d", cl -> dlen); |
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1192 debug_message(as, 100, "Reduce expressions: addr = %s", lw_expr_print(cl -> addr)); |
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1193 debug_message(as, 100, "Reduce expressions: daddr = %s", lw_expr_print(cl -> daddr)); |
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1194 } |