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authorSzabolcs Nagy <nsz@port70.net>2013-01-15 01:05:29 +0100
committerSzabolcs Nagy <nsz@port70.net>2013-01-15 01:05:29 +0100
commitf05f59b804f83ff8443ba8c549d6be3ba79e71a6 (patch)
treee05007c35e517fd1166f31311e14dc78a428ebae
parent21f01e1bf951dc3c543bb53de4d001dd4194da84 (diff)
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remove unused "params" related code from regex
some structs and functions had reference to the params feature of tre that is not used by the code anymore
-rw-r--r--src/regex/regcomp.c31
-rw-r--r--src/regex/tre.h1
2 files changed, 11 insertions, 21 deletions
diff --git a/src/regex/regcomp.c b/src/regex/regcomp.c
index 399989e7..5cedfd52 100644
--- a/src/regex/regcomp.c
+++ b/src/regex/regcomp.c
@@ -53,7 +53,6 @@ typedef struct {
tre_ctype_t class;
tre_ctype_t *neg_classes;
int backref;
- int *params;
} tre_pos_and_tags_t;
@@ -103,10 +102,7 @@ typedef struct {
long code_min;
long code_max;
int position;
- union {
- tre_ctype_t class;
- int *params;
- } u;
+ tre_ctype_t class;
tre_ctype_t *neg_classes;
} tre_literal_t;
@@ -652,7 +648,7 @@ tre_parse_bracket_items(tre_parse_ctx_t *ctx, int negate,
status = tre_new_item(ctx->mem, min, max, &i, &max_i, items);
if (status != REG_OK)
break;
- ((tre_literal_t*)((*items)[i-1])->obj)->u.class = class;
+ ((tre_literal_t*)((*items)[i-1])->obj)->class = class;
}
/* Add opposite-case counterpoints if REG_ICASE is present.
@@ -2231,8 +2227,7 @@ typedef enum {
iteration count to a catenated sequence of copies of the node. */
static reg_errcode_t
tre_expand_ast(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *ast,
- int *position, tre_tag_direction_t *tag_directions,
- int *max_depth)
+ int *position, tre_tag_direction_t *tag_directions)
{
reg_errcode_t status = REG_OK;
int bottom = tre_stack_num_objects(stack);
@@ -2531,8 +2526,7 @@ tre_set_union(tre_mem_t mem, tre_pos_and_tags_t *set1, tre_pos_and_tags_t *set2,
set to the number of tags seen on the path. */
static reg_errcode_t
tre_match_empty(tre_stack_t *stack, tre_ast_node_t *node, int *tags,
- int *assertions, int *params, int *num_tags_seen,
- int *params_seen)
+ int *assertions, int *num_tags_seen)
{
tre_literal_t *lit;
tre_union_t *uni;
@@ -2703,7 +2697,7 @@ tre_compute_nfl(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree)
node->lastpos = tre_set_one(mem, lit->position,
(int)lit->code_min,
(int)lit->code_max,
- lit->u.class, lit->neg_classes,
+ lit->class, lit->neg_classes,
-1);
if (!node->lastpos)
return REG_ESPACE;
@@ -2774,8 +2768,7 @@ tre_compute_nfl(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree)
case NFL_POST_CATENATION:
{
- int num_tags, *tags, assertions, params_seen;
- int *params;
+ int num_tags, *tags, assertions;
reg_errcode_t status;
tre_catenation_t *cat = node->obj;
node->nullable = cat->left->nullable && cat->right->nullable;
@@ -2787,8 +2780,7 @@ tre_compute_nfl(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree)
with tre_match_empty() to get the number of tags and
parameters. */
status = tre_match_empty(stack, cat->left,
- NULL, NULL, NULL, &num_tags,
- &params_seen);
+ NULL, NULL, &num_tags);
if (status != REG_OK)
return status;
/* Allocate arrays for the tags and parameters. */
@@ -2800,7 +2792,7 @@ tre_compute_nfl(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree)
/* Second pass with tre_mach_empty() to get the list of
tags and parameters. */
status = tre_match_empty(stack, cat->left, tags,
- &assertions, params, NULL, NULL);
+ &assertions, NULL);
if (status != REG_OK)
{
xfree(tags);
@@ -2825,8 +2817,7 @@ tre_compute_nfl(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree)
with tre_match_empty() to get the number of tags and
parameters. */
status = tre_match_empty(stack, cat->right,
- NULL, NULL, NULL, &num_tags,
- &params_seen);
+ NULL, NULL, &num_tags);
if (status != REG_OK)
return status;
/* Allocate arrays for the tags and parameters. */
@@ -2838,7 +2829,7 @@ tre_compute_nfl(tre_mem_t mem, tre_stack_t *stack, tre_ast_node_t *tree)
/* Second pass with tre_mach_empty() to get the list of
tags and parameters. */
status = tre_match_empty(stack, cat->right, tags,
- &assertions, params, NULL, NULL);
+ &assertions, NULL);
if (status != REG_OK)
{
xfree(tags);
@@ -3194,7 +3185,7 @@ regcomp(regex_t *restrict preg, const char *restrict regex, int cflags)
/* Expand iteration nodes. */
errcode = tre_expand_ast(mem, stack, tree, &parse_ctx.position,
- tag_directions, &tnfa->params_depth);
+ tag_directions);
if (errcode != REG_OK)
ERROR_EXIT(errcode);
diff --git a/src/regex/tre.h b/src/regex/tre.h
index f4e5ab12..67cb9a84 100644
--- a/src/regex/tre.h
+++ b/src/regex/tre.h
@@ -167,7 +167,6 @@ struct tnfa {
int cflags;
int have_backrefs;
int have_approx;
- int params_depth;
};
/* from tre-mem.h: */