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annotate lwasm/pragma.c @ 575:d562ecd3ffd8

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Fix typo in manual
author William Astle <lost@l-w.ca>
date Wed, 05 Jun 2024 11:40:38 -0600
parents 6237505ee1dc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 pragma.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
2
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22 #include <string.h>
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23 #include <ctype.h>
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24
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25 #include <lw_string.h>
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26 #include <lw_alloc.h>
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27
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28 #include "lwasm.h"
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29 #include "instab.h"
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30 #include "input.h"
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31
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32 struct pragma_list
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33 {
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34 const char *setstr;
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35 const char *resetstr;
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36 int flag;
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37 };
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38
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39 struct pragma_stack_entry
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40 {
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41 int magic; // must always be at the start of any input stack entry
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42 int flag; // the pragma flag bit
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43 char str[1]; // magic number - this will be allocated bigger
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44 // string will be what's needed to re-instate a pragma
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45 };
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46
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47 static const struct pragma_list set_pragmas[] =
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48 {
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49 { "dollarnotlocal", "nodollarnotlocal", PRAGMA_DOLLARNOTLOCAL },
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50 { "nodollarlocal", "dollarlocal", PRAGMA_DOLLARNOTLOCAL },
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51 { "noindex0tonone", "index0tonone", PRAGMA_NOINDEX0TONONE },
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52 { "undefextern", "noundefextern", PRAGMA_UNDEFEXTERN },
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53 { "cescapes", "nocescapes", PRAGMA_CESCAPES },
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54 { "importundefexport", "noimportundefexport", PRAGMA_IMPORTUNDEFEXPORT },
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55 { "pcaspcr", "nopcaspcr", PRAGMA_PCASPCR },
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56 { "shadow", "noshadow", PRAGMA_SHADOW },
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57 { "nolist", "list", PRAGMA_NOLIST },
562
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58 { "nolistcode", "listcode", PRAGMA_NOLISTCODE },
115
344cfc25afec Added initial infrastructure for pragma autobranchlength (suggested by Ebonhand on irc)
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59 { "autobranchlength", "noautobranchlength", PRAGMA_AUTOBRANCHLENGTH },
206
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60 { "export", "noexport", PRAGMA_EXPORT },
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61 { "symbolnocase", "nosymbolnocase", PRAGMA_SYMBOLNOCASE },
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62 { "nosymbolcase", "symbolcase", PRAGMA_SYMBOLNOCASE },
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63 { "condundefzero", "nocondundefzero", PRAGMA_CONDUNDEFZERO },
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64 { "6809", "6309", PRAGMA_6809 },
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65 { "6800compat", "no6800compat", PRAGMA_6800COMPAT },
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66 { "forwardrefmax", "noforwardrefmax", PRAGMA_FORWARDREFMAX },
375
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67 { "testmode", "notestmode", PRAGMA_TESTMODE },
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68 { "c", "noc", PRAGMA_C },
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69 { "cc", "nocc", PRAGMA_CC },
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70 { "cd", "nocd", PRAGMA_CD },
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71 { "ct", "noct", PRAGMA_CT },
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72 { "qrts", "noqrts", PRAGMA_QRTS },
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73 { "m80ext", "nom80ext", PRAGMA_M80EXT },
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74 { "6809conv", "no6809conv", PRAGMA_6809CONV },
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75 { "6309conv", "no6309conv", PRAGMA_6309CONV },
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76 { "newsource", "nonewsource", PRAGMA_NEWSOURCE },
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77 { "nooldsource", "oldsource", PRAGMA_NEWSOURCE },
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78 { "operandsizewarning", "nooperandsizewarning", PRAGMA_OPERANDSIZE },
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79 { "emuext", "noemuext", PRAGMA_EMUEXT },
473
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80 { "nooutput", "output", PRAGMA_NOOUTPUT },
474
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81 { "noexpandcond", "expandcond", PRAGMA_NOEXPANDCOND },
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82 { 0, 0, 0 }
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83 };
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84
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85 int parse_pragma_helper(char *p)
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86 {
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87 int i;
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88
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89 for (i = 0; set_pragmas[i].setstr; i++)
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90 {
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91 if (!strcasecmp(p, set_pragmas[i].setstr))
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92 {
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93 return set_pragmas[i].flag;
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94 return 1;
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95 }
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96 if (!strcasecmp(p, set_pragmas[i].resetstr))
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97 {
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98 return set_pragmas[i].flag | PRAGMA_CLEARBIT;
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99 return 2;
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100 }
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101 }
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102
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103 return 0;
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104 }
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105
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106 int parse_pragma_string(asmstate_t *as, char *str, int ignoreerr)
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107 {
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108 char *p;
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109 const char *np = str;
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110 int pragma;
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111
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112 while (np)
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113 {
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114 p = lw_token(np, ',', &np);
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115 debug_message(as, 200, "Setting/resetting pragma %s", p);
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116 pragma = parse_pragma_helper(p);
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117 debug_message(as, 200, "Got pragma code %08X", pragma);
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118 lw_free(p);
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119
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120 if (pragma == 0 && !ignoreerr)
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121 return 0;
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122
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123 if (pragma & PRAGMA_CLEARBIT)
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124 as->pragmas &= ~pragma;
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125 else
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126 as->pragmas |= pragma;
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127
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128 debug_message(as, 200, "New pragma state: %08X", as -> pragmas);
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129 }
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130 return 1;
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131 }
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132
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133 PARSEFUNC(pseudo_parse_pragma)
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134 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
135 char *ps, *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
136
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
137 for (t = *p; *t && !isspace(*t); 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
138 /* 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
139
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
140 ps = lw_strndup(*p, t - *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
141 *p = t;
56
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
142
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
143 l -> len = 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
144
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
145 if (parse_pragma_string(as, ps, 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
146 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
147 lwasm_register_error(as, l, E_PRAGMA_UNRECOGNIZED);
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
148 }
81
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
Lost Wizard (lost@starbug3)
parents: 56
diff changeset
149 if (as -> pragmas & PRAGMA_NOLIST)
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
Lost Wizard (lost@starbug3)
parents: 56
diff changeset
150 l -> pragmas |= PRAGMA_NOLIST;
562
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
diff changeset
151 if (as -> pragmas & PRAGMA_NOLISTCODE)
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
diff changeset
152 l -> pragmas |= PRAGMA_NOLISTCODE;
407
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
153 if (as->pragmas & PRAGMA_CC)
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
154 {
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
155 l->pragmas |= PRAGMA_CC;
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
156 as->pragmas &= ~PRAGMA_CC;
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
157 }
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
158 lw_free(ps);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
159 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
160
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
161 PARSEFUNC(pseudo_parse_starpragma)
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
162 {
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
163 char *ps, *t;
85
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 81
diff changeset
164
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
165 for (t = *p; *t && !isspace(*t); 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
166 /* 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
167
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
168 ps = lw_strndup(*p, t - *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
169 *p = 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
170
56
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
171 l -> len = 0;
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
172
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
173 // *pragma must NEVER throw an error
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
174 parse_pragma_string(as, ps, 1);
81
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
Lost Wizard (lost@starbug3)
parents: 56
diff changeset
175 if (as -> pragmas & PRAGMA_NOLIST)
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
Lost Wizard (lost@starbug3)
parents: 56
diff changeset
176 l -> pragmas |= PRAGMA_NOLIST;
562
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
diff changeset
177 if (as -> pragmas & PRAGMA_NOLISTCODE)
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
diff changeset
178 l -> pragmas |= PRAGMA_NOLISTCODE;
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
179 if (as->pragmas & PRAGMA_CC)
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
180 {
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
181 l->pragmas |= PRAGMA_CC;
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
182 as->pragmas &= ~PRAGMA_CC;
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
183 }
513
1260b4eec5a5 Add **pragma which always suppresses listing itself
William Astle <lost@l-w.ca>
parents: 474
diff changeset
184 if (instab[l->insn].ops[3] == -2)
1260b4eec5a5 Add **pragma which always suppresses listing itself
William Astle <lost@l-w.ca>
parents: 474
diff changeset
185 l -> pragmas |= PRAGMA_NOLIST;
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
186 lw_free(ps);
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
187 }
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
188
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
189 static int pragma_stack_compare(input_stack_entry *e, void *d)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
190 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
191 int flag = *((int *)d);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
192 struct pragma_stack_entry *pse = (struct pragma_stack_entry *)e;
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
193
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
194 if (pse -> flag == flag)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
195 return 1;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
196 return 0;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
197 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
198
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
199 PARSEFUNC(pseudo_parse_starpragmapop)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
200 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
201 char *ps, *t;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
202 char *pp;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
203 int i;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
204 const char *np;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
205 struct pragma_stack_entry *pse;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
206
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
207 for (t = *p; *t && !isspace(*t); t++)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
208 /* do nothing */ ;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
209
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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parents: 85
diff changeset
210 ps = lw_strndup(*p, t - *p);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
211 *p = t;
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lost@l-w.ca
parents: 85
diff changeset
212
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
213 l -> len = 0;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
214
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
215 // *pragma stuff must never throw an error
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
216 np = ps;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
217
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
218 while (np)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
219 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
220 pp = lw_token(np, ',', &np);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
221 for (i = 0; set_pragmas[i].setstr; i++)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
222 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
223 if (!strcasecmp(pp, set_pragmas[i].setstr) || !strcasecmp(pp, set_pragmas[i].resetstr))
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
224 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
225 pse = (struct pragma_stack_entry *)input_stack_pop(as, 0x42424242, pragma_stack_compare, (void *)&(set_pragmas[i].flag));
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
226 if (pse)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
227 {
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
228 debug_message(as, 100, "Popped pragma string %s", pse->str);
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
229 parse_pragma_string(as, (char *)&(pse->str), 1);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
230 lw_free(pse);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
231 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
232 if (set_pragmas[i].flag == PRAGMA_NOLIST)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
233 l -> pragmas |= PRAGMA_NOLIST;
562
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
diff changeset
234 if (set_pragmas[i].flag == PRAGMA_NOLISTCODE)
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
diff changeset
235 l -> pragmas |= PRAGMA_NOLISTCODE;
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
236 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
237 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
238 lw_free(pp);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
239 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
240
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
241 lw_free(ps);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
242 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
243
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
244 PARSEFUNC(pseudo_parse_starpragmapush)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
245 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
246 char *ps, *t;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
247 char *pp;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
248 int i;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
249 const char *np;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
250 struct pragma_stack_entry *pse;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
251
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
252 for (t = *p; *t && !isspace(*t); t++)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
253 /* do nothing */ ;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
254
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
255 ps = lw_strndup(*p, t - *p);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
256 *p = t;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
257
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
258 l -> len = 0;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
259
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
260 // *pragma stuff must never throw an error
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
261 np = ps;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
262
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
263 while (np)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
264 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
265 pp = lw_token(np, ',', &np);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
266 for (i = 0; set_pragmas[i].setstr; i++)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
267 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
268 if (!strcasecmp(pp, set_pragmas[i].setstr) || !strcasecmp(pp, set_pragmas[i].resetstr))
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
269 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
270 /* found set or reset pragma */
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
271 /* push pragma state */
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
272 if (as -> pragmas & (set_pragmas[i].flag))
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
273 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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274 /* use set string */
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275 t = (char *)set_pragmas[i].setstr;
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276 }
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277 else
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278 {
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279 /* use reset string */
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280 t = (char *)set_pragmas[i].resetstr;
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281 }
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282 pse = lw_alloc(sizeof(struct pragma_stack_entry) + strlen(t));
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283 pse -> flag = set_pragmas[i].flag;
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284 pse -> magic = 0x42424242;
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285 strcpy((char *)&(pse -> str), t);
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
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286 debug_message(as, 100, "Pushed pragma string %s", pse->str);
38c1537857ce Pragma stack at parse stage now works
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parents: 108
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287
108
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288 input_stack_push(as, (input_stack_entry *)pse);
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289
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290 if (set_pragmas[i].flag == PRAGMA_NOLIST)
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291 l -> pragmas |= PRAGMA_NOLIST;
562
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
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292 if (set_pragmas[i].flag == PRAGMA_NOLISTCODE)
6237505ee1dc Add pragma nolistcode which works like nolist but also suppresses code lines
William Astle <lost@l-w.ca>
parents: 513
diff changeset
293 l -> pragmas |= PRAGMA_NOLISTCODE;
108
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294 }
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295 }
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296 lw_free(pp);
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297 }
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298
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299 lw_free(ps);
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300 }
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parents: 85
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301