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Index: opcodes/ChangeLog

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2001-06-13  Geoffrey Keating  <geoffk@redhat.com>

	* cgen-asm.c (cgen_parse_keyword): When looking for the
	boundaries of a keyword, allow any special characters
	that are actually in one of the allowed keyword.
	* cgen-opc.c (cgen_keyword_add): Add any special characters
	to the nonalpha_chars field.

Index: cgen/ChangeLog
2001-06-13  Geoffrey Keating  <geoffk@redhat.com>

	* desc.scm (<keyword> 'gen-defn): Add extra zero into
	CGEN_KEYWORD_ENTRY initializers.

Index: include/opcode/ChangeLog
2001-06-13  Geoffrey Keating  <geoffk@redhat.com>

	* cgen.h (cgen_keyword): Add nonalpha_chars field.
This commit is contained in:
Geoffrey Keating 2001-06-14 20:38:42 +00:00
parent dc8acb9740
commit 3e89004774
5 changed files with 40 additions and 8 deletions
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4
include/opcode/ChangeLog
View file

@ -1,3 +1,7 @@
2001-06-14 Geoffrey Keating <geoffk@redhat.com>
* cgen.h (cgen_keyword): Add nonalpha_chars field.
2001-05-23 Thiemo Seufer <seufer@csv.ica.uni-stuttgart.de>
* mips.h (CPU_R12000): Define.

5
include/opcode/cgen.h
View file

@ -513,6 +513,11 @@ typedef struct cgen_keyword
/* Pointer to null keyword "" entry if present. */
const CGEN_KEYWORD_ENTRY *null_entry;
/* String containing non-alphanumeric characters used
in keywords.
At present, the highest number of entries used is 1. */
char nonalpha_chars[8];
} CGEN_KEYWORD;
/* Structure used for searching. */

8
opcodes/ChangeLog
View file

@ -1,3 +1,11 @@
2001-06-14 Geoffrey Keating <geoffk@redhat.com>
* cgen-asm.c (cgen_parse_keyword): When looking for the
boundaries of a keyword, allow any special characters
that are actually in one of the allowed keyword.
* cgen-opc.c (cgen_keyword_add): Add any special characters
to the nonalpha_chars field.
2001-06-12 Martin Schwidefsky <schwidefsky@de.ibm.com>
* s390-opc.c: Add lgh instruction.

15
opcodes/cgen-asm.c
View file

@ -207,17 +207,16 @@ cgen_parse_keyword (cd, strp, keyword_table, valuep)
char buf[256];
const char *p,*start;
if (keyword_table->name_hash_table == NULL)
(void) cgen_keyword_search_init (keyword_table, NULL);
p = start = *strp;
/* Allow any first character.
Note that this allows recognizing ",a" for the annul flag in sparc
even though "," is subsequently not a valid keyword char. */
if (*p)
++p;
/* Now allow letters, digits, and _. */
/* Allow letters, digits, and any special characters. */
while (((p - start) < (int) sizeof (buf))
&& (isalnum ((unsigned char) *p) || *p == '_'))
&& *p
&& (isalnum ((unsigned char) *p)
|| strchr (keyword_table->nonalpha_chars, *p)))
++p;
if (p - start >= (int) sizeof (buf))

16
opcodes/cgen-opc.c
View file

@ -118,6 +118,7 @@ cgen_keyword_add (kt, ke)
CGEN_KEYWORD_ENTRY *ke;
{
unsigned int hash;
size_t i;
if (kt->name_hash_table == NULL)
build_keyword_hash_tables (kt);
@ -132,6 +133,21 @@ cgen_keyword_add (kt, ke)
if (ke->name[0] == 0)
kt->null_entry = ke;
for (i = 0; i < strlen (ke->name); i++)
if (! isalnum ((unsigned char) ke->name[i])
&& ! strchr (kt->nonalpha_chars, ke->name[i]))
{
size_t idx = strlen (kt->nonalpha_chars);
/* If you hit this limit, please don't just
increase the size of the field, instead
look for a better algorithm. */
if (idx >= sizeof (kt->nonalpha_chars) - 1)
abort ();
kt->nonalpha_chars[idx] = ke->name[i];
kt->nonalpha_chars[idx+1] = 0;
}
}
/* FIXME: Need function to return count of keywords. */