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2003-11-21  Ulrich Drepper  <drepper@redhat.com>

	* posix/regcomp.c (fetch_token): Change interface to match
	peek_token.  This avoid some copying and reduces code size.
This commit is contained in:
Ulrich Drepper 2003-11-21 23:42:18 +00:00
parent 73163a0973
commit f0d77aa8af
2 changed files with 22 additions and 21 deletions
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7
ChangeLog
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@ -1,3 +1,8 @@
2003-11-21 Ulrich Drepper <drepper@redhat.com>
* posix/regcomp.c (fetch_token): Change interface to match
peek_token. This avoid some copying and reduces code size.
2003-11-21 Jakub Jelinek <jakub@redhat.com>
* posix/bug-regex19.c (tests): Add more tests.
@ -7,8 +12,6 @@
* posix/tst-rxspencer.c (mb_tests): Don't run identical multi-byte
tests multiple times unnecessarily.
2003-11-21 Jakub Jelinek <jakub@redhat.com>
* posix/bug-regex19.c (BRE, ERE): Define.
(tests): Add many new tests, remove UTF-8 ones.
(do_one_test, do_mb_tests): New functions.

36
posix/regcomp.c
View File

@ -51,7 +51,8 @@ static reg_errcode_t calc_eclosure_iter (re_node_set *new_set, re_dfa_t *dfa,
static void calc_inveclosure (re_dfa_t *dfa);
static int fetch_number (re_string_t *input, re_token_t *token,
reg_syntax_t syntax);
static re_token_t fetch_token (re_string_t *input, reg_syntax_t syntax);
static void fetch_token (re_token_t *result, re_string_t *input,
reg_syntax_t syntax);
static int peek_token (re_token_t *token, re_string_t *input,
reg_syntax_t syntax);
static int peek_token_bracket (re_token_t *token, re_string_t *input,
@ -1588,16 +1589,13 @@ calc_eclosure_iter (new_set, dfa, node, root)
/* Fetch a token from INPUT.
We must not use this function inside bracket expressions. */
static re_token_t
fetch_token (input, syntax)
static void
fetch_token (result, input, syntax)
re_token_t *result;
re_string_t *input;
reg_syntax_t syntax;
{
re_token_t token;
int consumed_byte;
consumed_byte = peek_token (&token, input, syntax);
re_string_skip_bytes (input, consumed_byte);
return token;
re_string_skip_bytes (input, peek_token (result, input, syntax));
}
/* Peek a token from INPUT, and return the length of the token.
@ -1927,7 +1925,7 @@ parse (regexp, preg, syntax, err)
re_dfa_t *dfa = (re_dfa_t *) preg->buffer;
bin_tree_t *tree, *eor, *root;
re_token_t current_token;
current_token = fetch_token (regexp, syntax | RE_CARET_ANCHORS_HERE);
fetch_token (&current_token, regexp, syntax | RE_CARET_ANCHORS_HERE);
tree = parse_reg_exp (regexp, preg, &current_token, syntax, 0, err);
if (BE (*err != REG_NOERROR && tree == NULL, 0))
return NULL;
@ -1971,7 +1969,7 @@ parse_reg_exp (regexp, preg, token, syntax, nest, err)
while (token->type == OP_ALT)
{
re_token_t alt_token = *token;
*token = fetch_token (regexp, syntax | RE_CARET_ANCHORS_HERE);
fetch_token (token, regexp, syntax | RE_CARET_ANCHORS_HERE);
if (token->type != OP_ALT && token->type != END_OF_RE
&& (nest == 0 || token->type != OP_CLOSE_SUBEXP))
{
@ -2073,7 +2071,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
&& !re_string_first_byte (regexp, re_string_cur_idx (regexp)))
{
bin_tree_t *mbc_remain;
*token = fetch_token (regexp, syntax);
fetch_token (token, regexp, syntax);
mbc_remain = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree = create_tree (dfa, tree, mbc_remain, CONCAT, 0);
if (BE (mbc_remain == NULL || tree == NULL, 0))
@ -2129,7 +2127,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
}
else if (syntax & RE_CONTEXT_INDEP_OPS)
{
*token = fetch_token (regexp, syntax);
fetch_token (token, regexp, syntax);
return parse_expression (regexp, preg, token, syntax, nest, err);
}
/* else fall through */
@ -2188,7 +2186,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
by repetition operators.
eg. RE"^*" is invalid or "<ANCHOR(^)><CHAR(*)>",
it must not be "<ANCHOR(^)><REPEAT(*)>". */
*token = fetch_token (regexp, syntax);
fetch_token (token, regexp, syntax);
return tree;
case OP_PERIOD:
tree = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
@ -2233,7 +2231,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
#endif
return NULL;
}
*token = fetch_token (regexp, syntax);
fetch_token (token, regexp, syntax);
while (token->type == OP_DUP_ASTERISK || token->type == OP_DUP_PLUS
|| token->type == OP_DUP_QUESTION || token->type == OP_OPEN_DUP_NUM)
@ -2298,7 +2296,7 @@ parse_sub_exp (regexp, preg, token, syntax, nest, err)
return NULL;
}
dfa->nodes[left_par->node_idx].opr.idx = cur_nsub;
*token = fetch_token (regexp, syntax | RE_CARET_ANCHORS_HERE);
fetch_token (token, regexp, syntax | RE_CARET_ANCHORS_HERE);
/* The subexpression may be a null string. */
if (token->type == OP_CLOSE_SUBEXP)
@ -2378,7 +2376,7 @@ parse_dup_op (dup_elem, regexp, dfa, token, syntax, err)
if (BE (start == 0 && end == 0, 0))
{
/* We treat "<re>{0}" and "<re>{0,0}" as null string. */
*token = fetch_token (regexp, syntax);
fetch_token (token, regexp, syntax);
return NULL;
}
@ -2457,7 +2455,7 @@ parse_dup_op (dup_elem, regexp, dfa, token, syntax, err)
return NULL;
}
}
*token = fetch_token (regexp, syntax);
fetch_token (token, regexp, syntax);
return tree;
parse_dup_op_espace:
@ -3591,7 +3589,7 @@ fetch_number (input, token, syntax)
unsigned char c;
while (1)
{
*token = fetch_token (input, syntax);
fetch_token (token, input, syntax);
c = token->opr.c;
if (BE (token->type == END_OF_RE, 0))
return -2;
@ -3669,7 +3667,7 @@ re_dfa_add_tree_node (dfa, left, right, token)
bin_tree_t *left;
bin_tree_t *right;
re_token_t token;
{
{
int new_idx = re_dfa_add_node (dfa, token, 0);
if (new_idx == -1)