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hints for run-time parser

This commit is contained in:
Lev Walkin 2004-06-14 13:09:45 +00:00
parent 7a58c27811
commit 38abe79f25
4 changed files with 48 additions and 19 deletions
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32
libasn1compiler/asn1c_C.c
View File

@ -9,6 +9,8 @@
typedef struct tag2el_s {
struct asn1p_type_tag_s el_tag;
int el_no;
int toff_first;
int toff_last;
asn1p_expr_t *from_expr;
} tag2el_t;
@ -1236,10 +1238,34 @@ _fill_tag2el_map(arg_t *arg, tag2el_t **tag2el, int *count, int el_no) {
}
/*
* Sort the map according to canonical order of their tags.
* Sort the map according to canonical order of their tags
* and element numbers.
*/
qsort(*tag2el, *count, sizeof(**tag2el), _tag2el_cmp);
/*
* Initialize .toff_{first|last} members.
*/
if(*count) {
struct asn1p_type_tag_s *cur_tag = 0;
tag2el_t *cur = *tag2el;
tag2el_t *end = cur + *count;
int occur, i;
for(occur = 0; cur < end; cur++) {
if(cur_tag == 0
|| cur_tag->tag_value != cur->el_tag.tag_value
|| cur_tag->tag_class != cur->el_tag.tag_class) {
cur_tag = &cur->el_tag;
occur = 0;
} else {
occur++;
}
cur->toff_first = -occur;
for(i = 0; i >= -occur; i--)
cur[i].toff_last = -i;
}
}
return 0;
}
@ -1315,7 +1341,9 @@ emit_tag2member_map(arg_t *arg, tag2el_t *tag2el, int tag2el_count) {
OUT(" { ");
_print_tag(arg, expr, &tag2el[i].el_tag);
OUT(", ");
OUT("%d ", tag2el[i].el_no);
OUT("%d, ", tag2el[i].el_no);
OUT("%d, ", tag2el[i].toff_first);
OUT("%d ", tag2el[i].toff_last);
OUT("}, /* %s at %d */\n",
tag2el[i].from_expr->Identifier,
tag2el[i].from_expr->_lineno

3
skeletons/constr_TYPE.h
View File

@ -89,10 +89,11 @@ typedef struct asn1_TYPE_descriptor_s {
typedef struct asn1_TYPE_tag2member_s {
ber_tlv_tag_t el_tag; /* Outmost tag of the member */
int el_no; /* Index of the associated member, base 0 */
int toff_first; /* First occurence of the el_tag, relative */
int toff_last; /* Last occurence of the el_tag, relatvie */
} asn1_TYPE_tag2member_t;
/*
* This function is a wrapper around (td)->print_struct, which prints out
* the contents of the target language's structure (struct_ptr) into the

8
tests/39-sequence-of-OK.asn1.-P
View File

@ -79,8 +79,8 @@ static ber_tlv_tag_t asn1_DEF_T_tags[] = {
(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
};
static asn1_TYPE_tag2member_t asn1_DEF_T_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (2 << 2)), 0 }, /* int at 15 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1 }, /* collection at 17 */
{ (ASN_TAG_CLASS_UNIVERSAL | (2 << 2)), 0, 0, 0 }, /* int at 15 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1, 0, 0 }, /* collection at 17 */
};
static asn1_SEQUENCE_specifics_t asn1_DEF_T_specs = {
sizeof(struct T),
@ -152,8 +152,8 @@ static ber_tlv_tag_t asn1_DEF_T2_tags[] = {
(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
};
static asn1_TYPE_tag2member_t asn1_DEF_T2_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (1 << 2)), 0 }, /* flag at 20 */
{ (ASN_TAG_CLASS_UNIVERSAL | (12 << 2)), 1 }, /* str at 21 */
{ (ASN_TAG_CLASS_UNIVERSAL | (1 << 2)), 0, 0, 0 }, /* flag at 20 */
{ (ASN_TAG_CLASS_UNIVERSAL | (12 << 2)), 1, 0, 0 }, /* str at 21 */
};
static asn1_SEQUENCE_specifics_t asn1_DEF_T2_specs = {
sizeof(struct T2),

24
tests/42-real-life-OK.asn1.-PR
View File

@ -83,8 +83,8 @@ static ber_tlv_tag_t asn1_DEF_LogLine_tags[] = {
(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
};
static asn1_TYPE_tag2member_t asn1_DEF_LogLine_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1 }, /* varsets at 25 */
{ (ASN_TAG_CLASS_UNIVERSAL | (22 << 2)), 0 }, /* line-digest at 23 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1, 0, 0 }, /* varsets at 25 */
{ (ASN_TAG_CLASS_UNIVERSAL | (22 << 2)), 0, 0, 0 }, /* line-digest at 23 */
};
static asn1_SEQUENCE_specifics_t asn1_DEF_LogLine_specs = {
sizeof(struct LogLine),
@ -197,8 +197,8 @@ static ber_tlv_tag_t asn1_DEF_VariablePartSet_tags[] = {
(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
};
static asn1_TYPE_tag2member_t asn1_DEF_VariablePartSet_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 0 }, /* vparts at 33 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1 }, /* resolution at 35 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 0, 0, 1 }, /* vparts at 33 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1, -1, 0 }, /* resolution at 35 */
};
static asn1_SEQUENCE_specifics_t asn1_DEF_VariablePartSet_specs = {
sizeof(struct VariablePartSet),
@ -331,8 +331,8 @@ typedef struct VariablePart {
(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
};
static asn1_TYPE_tag2member_t asn1_DEF_vrange_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (26 << 2)), 0 }, /* from at 45 */
{ (ASN_TAG_CLASS_UNIVERSAL | (26 << 2)), 1 }, /* to at 46 */
{ (ASN_TAG_CLASS_UNIVERSAL | (26 << 2)), 0, 0, 1 }, /* from at 45 */
{ (ASN_TAG_CLASS_UNIVERSAL | (26 << 2)), 1, -1, 0 }, /* to at 46 */
};
static asn1_SEQUENCE_specifics_t asn1_DEF_vrange_specs = {
sizeof(struct vrange),
@ -380,8 +380,8 @@ static ber_tlv_tag_t asn1_DEF_VariablePart_tags[] = {
};
static asn1_TYPE_tag2member_t asn1_DEF_VariablePart_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1 }, /* vrange at 45 */
{ (ASN_TAG_CLASS_UNIVERSAL | (17 << 2)), 0 }, /* vset at 42 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1, 0, 0 }, /* vrange at 45 */
{ (ASN_TAG_CLASS_UNIVERSAL | (17 << 2)), 0, 0, 0 }, /* vset at 42 */
};
static asn1_CHOICE_specifics_t asn1_DEF_VariablePart_specs = {
sizeof(struct VariablePart),
@ -519,8 +519,8 @@ typedef struct ActionItem {
(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
};
static asn1_TYPE_tag2member_t asn1_DEF_notify_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (1 << 2)), 0 }, /* critical at 61 */
{ (ASN_TAG_CLASS_UNIVERSAL | (17 << 2)), 1 }, /* email at 62 */
{ (ASN_TAG_CLASS_UNIVERSAL | (1 << 2)), 0, 0, 0 }, /* critical at 61 */
{ (ASN_TAG_CLASS_UNIVERSAL | (17 << 2)), 1, 0, 0 }, /* email at 62 */
};
static asn1_SEQUENCE_specifics_t asn1_DEF_notify_specs = {
sizeof(struct notify),
@ -568,8 +568,8 @@ static ber_tlv_tag_t asn1_DEF_ActionItem_tags[] = {
(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
};
static asn1_TYPE_tag2member_t asn1_DEF_ActionItem_tag2el[] = {
{ (ASN_TAG_CLASS_UNIVERSAL | (10 << 2)), 0 }, /* accept-as at 55 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1 }, /* notify at 61 */
{ (ASN_TAG_CLASS_UNIVERSAL | (10 << 2)), 0, 0, 0 }, /* accept-as at 55 */
{ (ASN_TAG_CLASS_UNIVERSAL | (16 << 2)), 1, 0, 0 }, /* notify at 61 */
};
static asn1_SEQUENCE_specifics_t asn1_DEF_ActionItem_specs = {
sizeof(struct ActionItem),