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g/c magic definitions for simple chars (as opposed to e.g. tokens/lexems)

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some (such as NOT) were already gone; this should unconfuse; most were
unused anyway…
This commit is contained in:
tg 2012-03-27 22:58:39 +00:00
parent 2a47cab08f
commit 16ac73b074
2 changed files with 11 additions and 19 deletions
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18
eval.c
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@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.113 2012/03/23 23:25:27 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.114 2012/03/27 22:58:38 tg Exp $");
/*
* string expansion
@ -936,10 +936,10 @@ expand(const char *cp, /* input word */
*dp++ = MAGIC;
}
break;
case OBRACE:
case '{':
case '}':
case ',':
case CBRACE:
if ((f & DOBRACE) && (c == OBRACE ||
if ((f & DOBRACE) && (c == '{' /*}*/ ||
(fdo & DOBRACE))) {
fdo |= DOBRACE|DOMAGIC;
*dp++ = MAGIC;
@ -1664,7 +1664,7 @@ alt_expand(XPtrV *wp, char *start, char *exp_start, char *end, int fdo)
char *p;
/* search for open brace */
for (p = exp_start; (p = strchr(p, MAGIC)) && p[1] != OBRACE; p += 2)
for (p = exp_start; (p = strchr(p, MAGIC)) && p[1] != '{' /*}*/; p += 2)
;
brace_start = p;
@ -1674,9 +1674,9 @@ alt_expand(XPtrV *wp, char *start, char *exp_start, char *end, int fdo)
count = 1;
for (p += 2; *p && count; p++) {
if (ISMAGIC(*p)) {
if (*++p == OBRACE)
if (*++p == '{' /*}*/)
count++;
else if (*p == CBRACE)
else if (*p == /*{*/ '}')
--count;
else if (*p == ',' && count == 1)
comma = p;
@ -1707,9 +1707,9 @@ alt_expand(XPtrV *wp, char *start, char *exp_start, char *end, int fdo)
count = 1;
for (p = brace_start + 2; p != brace_end; p++) {
if (ISMAGIC(*p)) {
if (*++p == OBRACE)
if (*++p == '{' /*}*/)
count++;
else if ((*p == CBRACE && --count == 0) ||
else if ((*p == /*{*/ '}' && --count == 0) ||
(*p == ',' && count == 1)) {
char *news;
int l1, l2, l3;

12
sh.h
View File

@ -152,7 +152,7 @@
#endif
#ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.533 2012/03/27 22:49:47 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.534 2012/03/27 22:58:39 tg Exp $");
#endif
#define MKSH_VERSION "R40 2012/03/27"
@ -383,7 +383,7 @@ extern int wcwidth(__WCHAR_TYPE__);
/*
* Make MAGIC a char that might be printed to make bugs more obvious, but
* not a char that is used often. Also, can't use the high bit as it causes
* portability problems (calling strchr(x, 0x80|'x') is error prone).
* portability problems (calling strchr(x, 0x80 | 'x') is error prone).
*/
#define MAGIC (7) /* prefix for *?[!{,} during expand */
#define ISMAGIC(c) ((unsigned char)(c) == MAGIC)
@ -878,14 +878,6 @@ EXTERN char *current_wd;
EXTERN mksh_ari_t x_cols E_INIT(80); /* tty columns */
EXTERN mksh_ari_t x_lins E_INIT(24); /* tty lines */
/* These to avoid bracket matching problems */
#define OPAREN '('
#define CPAREN ')'
#define OBRACK '['
#define CBRACK ']'
#define OBRACE '{'
#define CBRACE '}'
/* Determine the location of the system (common) profile */