Mercurial > hg > index.cgi

annotate lwasm/strings.c @ 559:ddc7b05a5675

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add --no-warn=ifp1 flag to suppress warnings about ifp1 and ipf2
author William Astle <lost@l-w.ca>
date Thu, 21 Sep 2023 13:13:23 -0600
parents 724bcc4508bc
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
519
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
1 /*
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
2 strings.c
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
3 Copyright © 2021 William Astle
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
4
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
5 This file is part of LWASM.
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
6
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
7 LWASM is free software: you can redistribute it and/or modify it under the
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
8 terms of the GNU General Public License as published by the Free Software
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
9 Foundation, either version 3 of the License, or (at your option) any later
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
10 version.
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
11
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
12 This program is distributed in the hope that it will be useful, but WITHOUT
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
15 more details.
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
16
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
17 You should have received a copy of the GNU General Public License along with
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
18 this program. If not, see <http://www.gnu.org/licenses/>.
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
19
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
20 Contains stuff associated with generalized string parsing including
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
21 interpolation.
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
22
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
23 A general string is enclosed in double quotes. Within the string, the
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
24 following is supported:
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
25
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
26 %(VAR): a string variable defined with SETSTR
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
27 %[SYM]: the value of SYM; must be constant on pass 1 or will resolve to ""
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
28 \": a literal "
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
29 \%: a literal %
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
30 \n: a newline
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
31 \r: a carriage return
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
32 \t: a tab
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
33 \f: a form feed
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
34 \e: ESC (0x1b)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
35 \\: a backslash
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
36 \xXX: an 8 bit value where XX are hex digits
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
37
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
38 */
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
39
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
40 #include <ctype.h>
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
41 #include <string.h>
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
42
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
43 #include <lw_alloc.h>
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
44 #include <lw_dict.h>
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
45 #include <lw_string.h>
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
46 #include <lw_strbuf.h>
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
47
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
48 #include "lwasm.h"
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
49 #include "instab.h"
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
50
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
51 void lwasm_stringvar_unset(asmstate_t *as, char *strname)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
52 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
53 if (!(as -> stringvars))
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
54 return;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
55 lw_dict_unset(as -> stringvars, strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
56 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
57
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
58 void lwasm_stringvar_set(asmstate_t *as, char *strname, char *strval)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
59 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
60 if (!(as -> stringvars))
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
61 as -> stringvars = lw_dict_create();
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
62 lw_dict_set(as -> stringvars, strname, strval);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
63 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
64
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
65 char *lwasm_stringvar_get(asmstate_t *as, char *strname)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
66 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
67 if (!(as -> stringvars))
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
68 return "";
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
69 return lw_dict_get(as -> stringvars, strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
70 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
71
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
72 PARSEFUNC(pseudo_parse_setstr)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
73 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
74 char *t1;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
75 char *strname;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
76 char *strval;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
77
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
78 l -> len = 0;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
79 if (!**p)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
80 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
81 lwasm_register_error(as, l, E_OPERAND_BAD);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
82 return;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
83 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
84
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
85 for (t1 = *p; *t1 && *t1 != '='; t1++)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
86 /* do nothing */;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
87 strname = lw_alloc(t1 - *p + 1);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
88 strncpy(strname, *p, t1 - *p);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
89 strname[t1 - *p] = '\0';
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
90 *p = t1;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
91 if (**p == '\0')
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
92 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
93 lwasm_stringvar_unset(l -> as, strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
94 lw_free(strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
95 return;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
96 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
97 (*p)++;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
98 strval = lwasm_parse_general_string(l, p);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
99 if (!strval)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
100 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
101 lwasm_stringvar_unset(l -> as, strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
102 lw_free(strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
103 return;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
104 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
105 lwasm_stringvar_set(l -> as, strname, strval);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
106 lw_free(strval);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
107 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
108
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
109 char *lwasm_parse_general_string(line_t *l, char **p)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
110 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
111 struct lw_strbuf *sb;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
112
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
113 if (!**p || isspace(**p))
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
114 return lw_strdup("");
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
115 if (**p != '"')
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
116 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
117 lwasm_register_error(l -> as, l, E_OPERAND_BAD);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
118 return NULL;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
119 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
120
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
121 (*p)++;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
122 sb = lw_strbuf_new();
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
123 while (**p && **p != '"')
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
124 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
125 switch (**p)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
126 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
127 case '\\':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
128 if ((*p)[1])
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
129 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
130 (*p)++;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
131 switch (**p)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
132 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
133 case 'n':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
134 lw_strbuf_add(sb, 10);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
135 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
136
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
137 case 'r':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
138 lw_strbuf_add(sb, 13);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
139 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
140
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
141 case 't':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
142 lw_strbuf_add(sb, 9);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
143 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
144
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
145 case 'f':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
146 lw_strbuf_add(sb, 12);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
147 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
148
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
149 case 'e':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
150 lw_strbuf_add(sb, 27);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
151 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
152
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
153 case 'x':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
154 if ((*p)[1] && (*p)[2])
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
155 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
156 int d1 = (*p)[1];
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
157 int d2 = (*p)[2];
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
158 if (d1 < '0' || (d1 > '9' && d1 < 'A') || (d1 > 'F' && d1 < 'a') || d1 > 'f' ||
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
159 d2 < '0' || (d2 > '9' && d2 < 'A') || (d2 > 'F' && d2 < 'a') || d2 > 'f')
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
160 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
161 lw_strbuf_add(sb, 'x');
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
162 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
163 else
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
164 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
165 (*p) += 2;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
166 d1 -= '0';
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
167 d2 -= '0';
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
168 if (d1 > 9)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
169 d1 -= 7;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
170 if (d1 > 15)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
171 d1 -= 32;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
172 if (d2 > 9)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
173 d2 -= 7;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
174 if (d2 > 15)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
175 d2 -= 32;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
176 lw_strbuf_add(sb, (d1 << 4) | d2);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
177 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
178 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
179 else
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
180 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
181 lw_strbuf_add(sb, 'x');
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
182 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
183 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
184
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
185 default:
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
186 lw_strbuf_add(sb, **p);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
187 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
188 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
189 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
190 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
191
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
192 case '%':
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
193 (*p)++;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
194 if (**p == '(')
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
195 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
196 char *t1;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
197 // string var
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
198 for (t1 = *p + 1; *t1 && *t1 != ')' && *t1 != '"'; t1++)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
199 /* do nothing */ ;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
200 if (*t1 != ')')
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
201 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
202 lw_strbuf_add(sb, '%');
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
203 (*p)--;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
204 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
205 else
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
206 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
207 char *strname;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
208 strname = lw_alloc(t1 - *p);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
209 strncpy(strname, *p + 1, t1 - *p);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
210 strname[t1 - *p - 1] = '\0';
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
211 *p = t1;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
212 t1 = lwasm_stringvar_get(l -> as, strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
213 lw_free(strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
214 for (strname = t1; *strname; strname++)
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
215 lw_strbuf_add(sb, *strname);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
216 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
217 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
218 else
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
219 {
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
220 // unknown % sequence; back up and output the %
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
221 (*p)--;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
222 lw_strbuf_add(sb, '%');
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
223 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
224 break;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
225
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
226 default:
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
227 lw_strbuf_add(sb, **p);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
228 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
229 (*p)++;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
230 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
231 if (**p == '"')
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
232 (*p)++;
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
233 return lw_strbuf_end(sb);
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
234 }
724bcc4508bc Add SETSTR/INCLUDESTR for some basic code building
William Astle <lost@l-w.ca>
parents:
diff changeset
235