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* posix/regcomp.c (duplicate_node): Remove unnecessary local variable.

	* posix/regcomp.c (re_dfa_add_tree_node): Make fourth parameter a
	pointer.  Adjust callers.
This commit is contained in:
Ulrich Drepper 2003-11-22 00:00:56 +00:00
parent f0d77aa8af
commit c5c9c929bf
2 changed files with 33 additions and 32 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2003-11-21 Ulrich Drepper <drepper@redhat.com>
* posix/regcomp.c (duplicate_node): Remove unnecessary local variable.
* posix/regcomp.c (re_dfa_add_tree_node): Make fourth parameter a
pointer. Adjust callers.
* posix/regcomp.c (fetch_token): Change interface to match
peek_token. This avoid some copying and reduces code size.

60
posix/regcomp.c
View File

@ -132,7 +132,7 @@ static bin_tree_t *create_tree (re_dfa_t *dfa,
re_token_type_t type, int index);
static bin_tree_t *re_dfa_add_tree_node (re_dfa_t *dfa,
bin_tree_t *left, bin_tree_t *right,
re_token_t)
const re_token_t *token)
__attribute ((noinline));
static bin_tree_t *duplicate_tree (const bin_tree_t *src, re_dfa_t *dfa);
@ -1426,11 +1426,7 @@ duplicate_node (new_idx, dfa, org_idx, constraint)
int *new_idx, org_idx;
unsigned int constraint;
{
re_token_t dup;
int dup_idx;
dup = dfa->nodes[org_idx];
dup_idx = re_dfa_add_node (dfa, dup, 1);
int dup_idx = re_dfa_add_node (dfa, dfa->nodes[org_idx], 1);
if (BE (dup_idx == -1, 0))
return REG_ESPACE;
dfa->nodes[dup_idx].constraint = constraint;
@ -1929,7 +1925,7 @@ parse (regexp, preg, syntax, err)
tree = parse_reg_exp (regexp, preg, &current_token, syntax, 0, err);
if (BE (*err != REG_NOERROR && tree == NULL, 0))
return NULL;
eor = re_dfa_add_tree_node (dfa, NULL, NULL, current_token);
eor = re_dfa_add_tree_node (dfa, NULL, NULL, &current_token);
if (tree != NULL)
root = create_tree (dfa, tree, eor, CONCAT, 0);
else
@ -1979,7 +1975,7 @@ parse_reg_exp (regexp, preg, token, syntax, nest, err)
}
else
branch = NULL;
tree = re_dfa_add_tree_node (dfa, tree, branch, alt_token);
tree = re_dfa_add_tree_node (dfa, tree, branch, &alt_token);
if (BE (tree == NULL, 0))
{
*err = REG_ESPACE;
@ -2058,7 +2054,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
switch (token->type)
{
case CHARACTER:
tree = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree = re_dfa_add_tree_node (dfa, NULL, NULL, token);
if (BE (tree == NULL, 0))
{
*err = REG_ESPACE;
@ -2072,7 +2068,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
{
bin_tree_t *mbc_remain;
fetch_token (token, regexp, syntax);
mbc_remain = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
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))
{
@ -2101,7 +2097,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
return NULL;
}
dfa->used_bkref_map |= 1 << (token->opr.idx - 1);
tree = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree = re_dfa_add_tree_node (dfa, NULL, NULL, token);
if (BE (tree == NULL, 0))
{
*err = REG_ESPACE;
@ -2144,7 +2140,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
/* Then we can these characters as normal characters. */
token->type = CHARACTER;
tree = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree = re_dfa_add_tree_node (dfa, NULL, NULL, token);
if (BE (tree == NULL, 0))
{
*err = REG_ESPACE;
@ -2162,11 +2158,11 @@ parse_expression (regexp, preg, token, syntax, nest, err)
{
bin_tree_t *tree_first, *tree_last;
token->opr.ctx_type = WORD_FIRST;
tree_first = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree_first = re_dfa_add_tree_node (dfa, NULL, NULL, token);
token->opr.ctx_type = WORD_LAST;
tree_last = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree_last = re_dfa_add_tree_node (dfa, NULL, NULL, token);
token->type = OP_ALT;
tree = re_dfa_add_tree_node (dfa, tree_first, tree_last, *token);
tree = re_dfa_add_tree_node (dfa, tree_first, tree_last, token);
if (BE (tree_first == NULL || tree_last == NULL || tree == NULL, 0))
{
*err = REG_ESPACE;
@ -2175,7 +2171,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
}
else
{
tree = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree = re_dfa_add_tree_node (dfa, NULL, NULL, token);
if (BE (tree == NULL, 0))
{
*err = REG_ESPACE;
@ -2189,7 +2185,7 @@ parse_expression (regexp, preg, token, syntax, nest, err)
fetch_token (token, regexp, syntax);
return tree;
case OP_PERIOD:
tree = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
tree = re_dfa_add_tree_node (dfa, NULL, NULL, token);
if (BE (tree == NULL, 0))
{
*err = REG_ESPACE;
@ -2289,7 +2285,7 @@ parse_sub_exp (regexp, preg, token, syntax, nest, err)
dfa->subexps[cur_nsub].start = dfa->nodes_len;
dfa->subexps[cur_nsub].end = -1;
left_par = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
left_par = re_dfa_add_tree_node (dfa, NULL, NULL, token);
if (BE (left_par == NULL, 0))
{
*err = REG_ESPACE;
@ -2312,7 +2308,7 @@ parse_sub_exp (regexp, preg, token, syntax, nest, err)
*err = REG_EPAREN;
return NULL;
}
right_par = re_dfa_add_tree_node (dfa, NULL, NULL, *token);
right_par = re_dfa_add_tree_node (dfa, NULL, NULL, token);
dfa->subexps[cur_nsub].end = dfa->nodes_len;
tree = ((tree == NULL) ? right_par
: create_tree (dfa, tree, right_par, CONCAT, 0));
@ -2398,14 +2394,14 @@ parse_dup_op (dup_elem, regexp, dfa, token, syntax, err)
if (start > 0)
{
elem = duplicate_tree (elem, dfa);
work_tree = re_dfa_add_tree_node (dfa, elem, NULL, dup_token);
work_tree = re_dfa_add_tree_node (dfa, elem, NULL, &dup_token);
tree = create_tree (dfa, tree, work_tree, CONCAT, 0);
if (BE (elem == NULL || work_tree == NULL || tree == NULL, 0))
goto parse_dup_op_espace;
}
else
{
tree = re_dfa_add_tree_node (dfa, elem, NULL, dup_token);
tree = re_dfa_add_tree_node (dfa, elem, NULL, &dup_token);
if (BE (tree == NULL, 0))
goto parse_dup_op_espace;
}
@ -2423,14 +2419,14 @@ parse_dup_op (dup_elem, regexp, dfa, token, syntax, err)
if (start > 0)
{
elem = duplicate_tree (elem, dfa);
elem = re_dfa_add_tree_node (dfa, elem, NULL, dup_token);
elem = re_dfa_add_tree_node (dfa, elem, NULL, &dup_token);
tree = create_tree (dfa, tree, elem, CONCAT, 0);
if (BE (elem == NULL || tree == NULL, 0))
goto parse_dup_op_espace;
}
else
{
tree = elem = re_dfa_add_tree_node (dfa, elem, NULL, dup_token);
tree = elem = re_dfa_add_tree_node (dfa, elem, NULL, &dup_token);
if (BE (tree == NULL, 0))
goto parse_dup_op_espace;
}
@ -2448,7 +2444,7 @@ parse_dup_op (dup_elem, regexp, dfa, token, syntax, err)
}
else
{
tree = re_dfa_add_tree_node (dfa, tree, NULL, *token);
tree = re_dfa_add_tree_node (dfa, tree, NULL, token);
if (BE (tree == NULL, 0))
{
*err = REG_ESPACE;
@ -3130,7 +3126,7 @@ parse_bracket_exp (regexp, dfa, token, syntax, err)
/* Build a tree for simple bracket. */
br_token.type = SIMPLE_BRACKET;
br_token.opr.sbcset = sbcset;
work_tree = re_dfa_add_tree_node (dfa, NULL, NULL, br_token);
work_tree = re_dfa_add_tree_node (dfa, NULL, NULL, &br_token);
if (BE (work_tree == NULL, 0))
goto parse_bracket_exp_espace;
@ -3159,12 +3155,12 @@ parse_bracket_exp (regexp, dfa, token, syntax, err)
}
br_token.type = COMPLEX_BRACKET;
br_token.opr.mbcset = mbcset;
mbc_tree = re_dfa_add_tree_node (dfa, NULL, NULL, br_token);
mbc_tree = re_dfa_add_tree_node (dfa, NULL, NULL, &br_token);
if (BE (mbc_tree == NULL, 0))
goto parse_bracket_exp_espace;
/* Then join them by ALT node. */
alt_token.type = OP_ALT;
work_tree = re_dfa_add_tree_node (dfa, work_tree, mbc_tree, alt_token);
work_tree = re_dfa_add_tree_node (dfa, work_tree, mbc_tree, &alt_token);
if (BE (mbc_tree != NULL, 1))
return work_tree;
}
@ -3534,7 +3530,7 @@ build_charclass_op (dfa, trans, class_name, extra, not, err)
/* Build a tree for simple bracket. */
br_token.type = SIMPLE_BRACKET;
br_token.opr.sbcset = sbcset;
tree = re_dfa_add_tree_node (dfa, NULL, NULL, br_token);
tree = re_dfa_add_tree_node (dfa, NULL, NULL, &br_token);
if (BE (tree == NULL, 0))
goto build_word_op_espace;
@ -3547,12 +3543,12 @@ build_charclass_op (dfa, trans, class_name, extra, not, err)
br_token.type = COMPLEX_BRACKET;
br_token.opr.mbcset = mbcset;
dfa->has_mb_node = 1;
mbc_tree = re_dfa_add_tree_node (dfa, NULL, NULL, br_token);
mbc_tree = re_dfa_add_tree_node (dfa, NULL, NULL, &br_token);
if (BE (mbc_tree == NULL, 0))
goto build_word_op_espace;
/* Then join them by ALT node. */
alt_token.type = OP_ALT;
tree = re_dfa_add_tree_node (dfa, tree, mbc_tree, alt_token);
tree = re_dfa_add_tree_node (dfa, tree, mbc_tree, &alt_token);
if (BE (mbc_tree != NULL, 1))
return tree;
}
@ -3666,9 +3662,9 @@ re_dfa_add_tree_node (dfa, left, right, token)
re_dfa_t *dfa;
bin_tree_t *left;
bin_tree_t *right;
re_token_t token;
const re_token_t *token;
{
int new_idx = re_dfa_add_node (dfa, token, 0);
int new_idx = re_dfa_add_node (dfa, *token, 0);
if (new_idx == -1)
return NULL;