ContainedSubtype constraints
git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@821 59561ff5-6e30-0410-9f3c-9617f08c8826
diff --git a/libasn1fix/asn1fix_constraint.c b/libasn1fix/asn1fix_constraint.c
index 808f4e8..0faee51 100644
--- a/libasn1fix/asn1fix_constraint.c
+++ b/libasn1fix/asn1fix_constraint.c
@@ -2,12 +2,14 @@
#include "asn1fix_constraint.h"
#include "asn1fix_crange.h"
-static void _remove_exceptions(arg_t *arg, asn1p_constraint_t *ct);
-static int constraint_value_resolve(arg_t *arg, asn1p_module_t *mod, asn1p_value_t **value, enum asn1p_constraint_type_e real_ctype);
+static void _remove_extensions(arg_t *arg, asn1p_constraint_t *ct);
+static int constraint_type_resolve(arg_t *arg, asn1p_constraint_t *ct);
+static int constraint_value_resolve(arg_t *arg, asn1p_value_t **value, enum asn1p_constraint_type_e real_ctype);
int
asn1constraint_pullup(arg_t *arg) {
asn1p_expr_t *expr = arg->expr;
+ asn1p_expr_t *top_parent;
asn1p_constraint_t *ct_parent;
asn1p_constraint_t *ct_expr;
int ret;
@@ -63,6 +65,17 @@
if(!ct_parent && !ct_expr)
return 0; /* No constraints to consider */
+ /*
+ * Resolve constraints, if not already resolved.
+ */
+ top_parent = asn1f_find_terminal_type(arg, arg->expr);
+ ret = asn1constraint_resolve(arg, ct_expr,
+ top_parent ? top_parent->expr_type : A1TC_INVALID, 0);
+ if(ret) return ret;
+
+ /*
+ * Copy parent type constraints.
+ */
if(ct_parent) {
ct_parent = asn1p_constraint_clone(ct_parent);
assert(ct_parent);
@@ -89,7 +102,7 @@
/*
* If we have a parent, remove all the extensions (46.4).
*/
- _remove_exceptions(arg, ct_parent);
+ _remove_extensions(arg, ct_parent);
expr->combined_constraints = ct_parent;
if(ct_expr->type == ACT_CA_SET) {
@@ -119,7 +132,7 @@
}
int
-asn1constraint_resolve(arg_t *arg, asn1p_module_t *mod, asn1p_constraint_t *ct, asn1p_expr_type_e etype, enum asn1p_constraint_type_e effective_type) {
+asn1constraint_resolve(arg_t *arg, asn1p_constraint_t *ct, asn1p_expr_type_e etype, enum asn1p_constraint_type_e effective_type) {
enum asn1p_constraint_type_e real_constraint_type;
unsigned int el;
int rvalue = 0;
@@ -183,18 +196,23 @@
/*
* Resolve all possible references, wherever they occur.
*/
+ if(ct->containedSubtype) {
+ assert(ct->containedSubtype->type == ATV_REFERENCED);
+ ret = constraint_type_resolve(arg, ct);
+ RET2RVAL(ret, rvalue);
+ }
if(ct->value && ct->value->type == ATV_REFERENCED) {
- ret = constraint_value_resolve(arg, mod,
+ ret = constraint_value_resolve(arg,
&ct->value, real_constraint_type);
RET2RVAL(ret, rvalue);
}
if(ct->range_start && ct->range_start->type == ATV_REFERENCED) {
- ret = constraint_value_resolve(arg, mod,
+ ret = constraint_value_resolve(arg,
&ct->range_start, real_constraint_type);
RET2RVAL(ret, rvalue);
}
if(ct->range_stop && ct->range_stop->type == ATV_REFERENCED) {
- ret = constraint_value_resolve(arg, mod,
+ ret = constraint_value_resolve(arg,
&ct->range_stop, real_constraint_type);
RET2RVAL(ret, rvalue);
}
@@ -203,7 +221,7 @@
* Proceed recursively.
*/
for(el = 0; el < ct->el_count; el++) {
- ret = asn1constraint_resolve(arg, mod, ct->elements[el],
+ ret = asn1constraint_resolve(arg, ct->elements[el],
etype, effective_type);
RET2RVAL(ret, rvalue);
}
@@ -212,13 +230,13 @@
}
static void
-_remove_exceptions(arg_t *arg, asn1p_constraint_t *ct) {
+_remove_extensions(arg_t *arg, asn1p_constraint_t *ct) {
unsigned int i;
for(i = 0; i < ct->el_count; i++) {
if(ct->elements[i]->type == ACT_EL_EXT)
break;
- _remove_exceptions(arg, ct->elements[i]);
+ _remove_extensions(arg, ct->elements[i]);
}
/* Remove the elements at and after the extensibility mark */
@@ -232,17 +250,72 @@
ct->elements[i] = 0;
}
+static int
+constraint_type_resolve(arg_t *arg, asn1p_constraint_t *ct) {
+ asn1p_expr_t *rtype;
+ arg_t tmparg;
+ int ret;
+
+ DEBUG("(\"%s\")", asn1f_printable_value(ct->containedSubtype));
+
+ assert(ct->containedSubtype->type == ATV_REFERENCED);
+
+ rtype = asn1f_lookup_symbol(arg, arg->expr->module,
+ ct->containedSubtype->value.reference);
+ if(!rtype) {
+ FATAL("Cannot find type \"%s\" in constraints at line %d",
+ asn1f_printable_value(ct->containedSubtype),
+ ct->_lineno);
+ return -1;
+ }
+
+
+ tmparg = *arg;
+ tmparg.expr = rtype;
+ tmparg.mod = rtype->module;
+ ret = asn1constraint_pullup(&tmparg);
+ if(ret) return ret;
+
+ if(rtype->combined_constraints) {
+ asn1p_constraint_t *ct_expr;
+ ct_expr = asn1p_constraint_clone(rtype->combined_constraints);
+ assert(ct_expr);
+
+ _remove_extensions(arg, ct_expr);
+
+ if(ct_expr->type == ACT_CA_SET) {
+ unsigned int i;
+ for(i = 0; i < ct_expr->el_count; i++) {
+ if(asn1p_constraint_insert(
+ ct, ct_expr->elements[i])) {
+ asn1p_constraint_free(ct_expr);
+ return -1;
+ } else {
+ ct_expr->elements[i] = 0;
+ }
+ }
+ asn1p_constraint_free(ct_expr);
+ } else {
+ ret = asn1p_constraint_insert(ct, ct_expr);
+ assert(ret == 0);
+ }
+
+ ct->type = ACT_CA_SET;
+ asn1p_value_free(ct->containedSubtype);
+ ct->containedSubtype = NULL;
+ }
+
+ return 0;
+}
static int
-constraint_value_resolve(arg_t *arg, asn1p_module_t *mod,
+constraint_value_resolve(arg_t *arg,
asn1p_value_t **value, enum asn1p_constraint_type_e real_ctype) {
asn1p_expr_t static_expr;
arg_t tmp_arg;
int rvalue = 0;
int ret;
- (void)mod;
-
DEBUG("(\"%s\", within <%s>)",
asn1f_printable_value(*value),
asn1p_constraint_type2str(real_ctype));
@@ -260,3 +333,4 @@
return rvalue;
}
+