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asn1: Expand decoration w/ C types

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This commits allows `heim_object_t` as a type and causes the generated
code to use the `heim_retain()` and `heim_release()` functions for
copying and releasing values of such types.

Also, now one can have more than one decoration per-type.
This commit is contained in:
Nicolas Williams
2022-01-10 18:09:07 -06:00
parent ef906991fd
commit 40d1271094
14 changed files with 335 additions and 276 deletions
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14
lib/asn1/gen_free.c
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@@ -179,6 +179,7 @@ void
generate_type_free (const Symbol *s)
{
struct decoration deco;
ssize_t more_deco = -1;
int preserve = preserve_type(s->name) ? TRUE : FALSE;
fprintf (codefile, "void ASN1CALL\n"
@@ -187,12 +188,13 @@ generate_type_free (const Symbol *s)
s->gen_name, s->gen_name);
free_type ("data", s->type, preserve);
if (decorate_type(s->gen_name, &deco)) {
if (deco.ext &&
(deco.free_function_name == NULL ||
deco.free_function_name[0] == '\0')) {
while (decorate_type(s->gen_name, &deco, &more_deco)) {
if (deco.heim_object) {
fprintf(codefile, "heim_retain((data)->%s);\n", deco.field_name);
fprintf(codefile, "(data)->%s = 0;\n", deco.field_name);
} else if (deco.ext && deco.free_function_name == NULL) {
/* Decorated with field of external type but no free function */
if (deco.opt || deco.void_star)
if (deco.ptr)
fprintf(codefile, "(data)->%s = 0;\n", deco.field_name);
else
fprintf(codefile,
@@ -200,7 +202,7 @@ generate_type_free (const Symbol *s)
deco.field_name, deco.field_name);
} else if (deco.ext) {
/* Decorated with field of external type w/ free function */
if (deco.opt) {
if (deco.ptr) {
fprintf(codefile, "if ((data)->%s) {\n", deco.field_name);
fprintf(codefile, "%s((data)->%s);\n",
deco.free_function_name, deco.field_name);