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annotate lwasm/pragma.c @ 506:7e8298f7bc0a

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Add basic syntax for typecasting Add parser support for type casts. This current scheme handles only integer types. Also include parenthesis grouping in expressions.
author William Astle <lost@l-w.ca>
date Sun, 27 Oct 2019 12:06:01 -0600
parents 74d0c394666e
children 1260b4eec5a5
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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b6b8c2645f5c Add back the dollarlocal and nodollarlocal pragma strings for compatibility with the documentation.
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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 },
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344cfc25afec Added initial infrastructure for pragma autobranchlength (suggested by Ebonhand on irc)
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58 { "autobranchlength", "noautobranchlength", PRAGMA_AUTOBRANCHLENGTH },
206
080bb67d84f2 Add export pragma
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59 { "export", "noexport", PRAGMA_EXPORT },
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07e1fac76321 Added pragma to allow non case sensitive symbols
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60 { "symbolnocase", "nosymbolnocase", PRAGMA_SYMBOLNOCASE },
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61 { "nosymbolcase", "symbolcase", PRAGMA_SYMBOLNOCASE },
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5d969517db74 Added condundefzero pragma
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62 { "condundefzero", "nocondundefzero", PRAGMA_CONDUNDEFZERO },
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63 { "6809", "6309", PRAGMA_6809 },
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64 { "6800compat", "no6800compat", PRAGMA_6800COMPAT },
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65 { "forwardrefmax", "noforwardrefmax", PRAGMA_FORWARDREFMAX },
375
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66 { "testmode", "notestmode", PRAGMA_TESTMODE },
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67 { "c", "noc", PRAGMA_C },
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68 { "cc", "nocc", PRAGMA_CC },
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69 { "cd", "nocd", PRAGMA_CD },
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70 { "ct", "noct", PRAGMA_CT },
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71 { "qrts", "noqrts", PRAGMA_QRTS },
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72 { "m80ext", "nom80ext", PRAGMA_M80EXT },
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73 { "6809conv", "no6809conv", PRAGMA_6809CONV },
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74 { "6309conv", "no6309conv", PRAGMA_6309CONV },
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75 { "newsource", "nonewsource", PRAGMA_NEWSOURCE },
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76 { "nooldsource", "oldsource", PRAGMA_NEWSOURCE },
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77 { "operandsizewarning", "nooperandsizewarning", PRAGMA_OPERANDSIZE },
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78 { "emuext", "noemuext", PRAGMA_EMUEXT },
473
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79 { "nooutput", "output", PRAGMA_NOOUTPUT },
474
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80 { "noexpandcond", "expandcond", PRAGMA_NOEXPANDCOND },
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81 { 0, 0, 0 }
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82 };
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83
384
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84 int parse_pragma_helper(char *p)
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85 {
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86 int i;
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87
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88 for (i = 0; set_pragmas[i].setstr; i++)
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89 {
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90 if (!strcasecmp(p, set_pragmas[i].setstr))
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91 {
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92 return set_pragmas[i].flag;
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93 return 1;
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94 }
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95 if (!strcasecmp(p, set_pragmas[i].resetstr))
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96 {
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97 return set_pragmas[i].flag | PRAGMA_CLEARBIT;
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98 return 2;
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99 }
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100 }
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101
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102 return 0;
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103 }
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104
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105 int parse_pragma_string(asmstate_t *as, char *str, int ignoreerr)
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106 {
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107 char *p;
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108 const char *np = str;
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109 int pragma;
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110
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111 while (np)
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112 {
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113 p = lw_token(np, ',', &np);
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114 debug_message(as, 200, "Setting/resetting pragma %s", p);
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115 pragma = parse_pragma_helper(p);
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116 debug_message(as, 200, "Got pragma code %08X", pragma);
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117 lw_free(p);
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118
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119 if (pragma == 0 && !ignoreerr)
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120 return 0;
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121
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122 if (pragma & PRAGMA_CLEARBIT)
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123 as->pragmas &= ~pragma;
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124 else
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125 as->pragmas |= pragma;
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126
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127 debug_message(as, 200, "New pragma state: %08X", as -> pragmas);
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128 }
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129 return 1;
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130 }
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131
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132 PARSEFUNC(pseudo_parse_pragma)
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133 {
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134 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
135
2c24602be78f 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 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
137 /* 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
138
2c24602be78f 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 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
140 *p = t;
56
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
141
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
142 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
143
2c24602be78f 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 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
145 {
370
8764142b3192 Convert internal error/warning handling framework to a new unified system
William Astle <lost@l-w.ca>
parents: 367
diff changeset
146 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
147 }
81
428068681cbf Added nolist pragma to suppress listing output of non-code generating lines
Lost Wizard (lost@starbug3)
parents: 56
diff changeset
148 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
149 l -> pragmas |= PRAGMA_NOLIST;
407
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
150 if (as->pragmas & PRAGMA_CC)
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
151 {
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
152 l->pragmas |= PRAGMA_CC;
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
153 as->pragmas &= ~PRAGMA_CC;
c501b3ce39c8 Make "pragma" and "*pragma/opt" fully equivalent
William Astle <lost@l-w.ca>
parents: 399
diff changeset
154 }
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
155 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
156 }
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
157
2c24602be78f 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 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
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 char *ps, *t;
85
8fa52c3f2970 Make *pragma work correctly
lost@l-w.ca
parents: 81
diff changeset
161
0
2c24602be78f Initial import from lwtools 3.0.1 version, with new hand built build system and file reorganization
lost@l-w.ca
parents:
diff changeset
162 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
163 /* 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
164
2c24602be78f 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 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
166 *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
167
56
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
168 l -> len = 0;
337301ddf74a Fixed error with pragma and *pragma directives
lost@l-w.ca
parents: 53
diff changeset
169
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
170 // *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
171 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
172 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
173 l -> pragmas |= PRAGMA_NOLIST;
376
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
174 if (as->pragmas & PRAGMA_CC)
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
175 {
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
176 l->pragmas |= PRAGMA_CC;
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
177 as->pragmas &= ~PRAGMA_CC;
35d4213e6657 Add cycle counting to listing
William Astle <lost@l-w.ca>
parents: 375
diff changeset
178 }
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
179 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
180 }
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
181
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
182 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
183 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
184 int flag = *((int *)d);
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lost@l-w.ca
parents: 85
diff changeset
185 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
186
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
187 if (pse -> flag == flag)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
188 return 1;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
189 return 0;
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
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
192 PARSEFUNC(pseudo_parse_starpragmapop)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
193 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
194 char *ps, *t;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
195 char *pp;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
196 int i;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
197 const char *np;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
198 struct pragma_stack_entry *pse;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
199
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
200 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
201 /* do nothing */ ;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
202
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
203 ps = lw_strndup(*p, t - *p);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
204 *p = t;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
205
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
206 l -> len = 0;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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parents: 85
diff changeset
207
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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parents: 85
diff changeset
208 // *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
209 np = ps;
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parents: 85
diff changeset
210
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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parents: 85
diff changeset
211 while (np)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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 pp = lw_token(np, ',', &np);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
214 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
215 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
216 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
217 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
218 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
219 if (pse)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
220 {
110
38c1537857ce Pragma stack at parse stage now works
lost@l-w.ca
parents: 108
diff changeset
221 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
222 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
223 lw_free(pse);
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 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
226 l -> pragmas |= PRAGMA_NOLIST;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
227 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
228 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
229 lw_free(pp);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
230 }
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 lw_free(ps);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
233 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
234
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
235 PARSEFUNC(pseudo_parse_starpragmapush)
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 char *ps, *t;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
238 char *pp;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
239 int i;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
240 const char *np;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
241 struct pragma_stack_entry *pse;
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 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
244 /* do nothing */ ;
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 ps = lw_strndup(*p, t - *p);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
247 *p = t;
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lost@l-w.ca
parents: 85
diff changeset
248
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
249 l -> len = 0;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
250
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
251 // *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
252 np = ps;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
253
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
254 while (np)
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
255 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
256 pp = lw_token(np, ',', &np);
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
257 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
258 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
259 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
260 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
261 /* found set or reset pragma */
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
262 /* push pragma state */
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
263 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
264 {
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
265 /* use set string */
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
266 t = (char *)set_pragmas[i].setstr;
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 else
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 /* use reset string */
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
271 t = (char *)set_pragmas[i].resetstr;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
272 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
273 pse = lw_alloc(sizeof(struct pragma_stack_entry) + strlen(t));
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
274 pse -> flag = set_pragmas[i].flag;
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
lost@l-w.ca
parents: 85
diff changeset
275 pse -> magic = 0x42424242;
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diff changeset
276 strcpy((char *)&(pse -> str), t);
110
38c1537857ce Pragma stack at parse stage now works
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diff changeset
277 debug_message(as, 100, "Pushed pragma string %s", pse->str);
38c1537857ce Pragma stack at parse stage now works
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diff changeset
278
108
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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diff changeset
279 input_stack_push(as, (input_stack_entry *)pse);
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diff changeset
280
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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281 if (set_pragmas[i].flag == PRAGMA_NOLIST)
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diff changeset
282 l -> pragmas |= PRAGMA_NOLIST;
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283 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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284 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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parents: 85
diff changeset
285 lw_free(pp);
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286 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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287
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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diff changeset
288 lw_free(ps);
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289 }
9960e05cbe3a Added *pragmapush and *pragmapop; still seems to be nonfunctional
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diff changeset
290