#include "gen_locl.h"
RCSID("$Id$");
static void
generate_2int (const Type *t, const char *gen_name)
{
Member *m;
fprintf (headerfile,
"unsigned %s2int(%s);\n",
gen_name, gen_name);
fprintf (codefile,
"unsigned %s2int(%s f)\n"
"{\n"
"unsigned r = 0;\n",
gen_name, gen_name);
ASN1_TAILQ_FOREACH(m, t->members, members) {
fprintf (codefile, "if(f.%s) r |= (1U << %d);\n",
m->gen_name, m->val);
}
fprintf (codefile, "return r;\n"
"}\n\n");
}
static void
generate_int2 (const Type *t, const char *gen_name)
{
Member *m;
fprintf (headerfile,
"%s int2%s(unsigned);\n",
gen_name, gen_name);
fprintf (codefile,
"%s int2%s(unsigned n)\n"
"{\n"
"\t%s flags;\n\n"
"\tmemset(&flags, 0, sizeof(flags));\n\n",
gen_name, gen_name, gen_name);
if(t->members) {
ASN1_TAILQ_FOREACH(m, t->members, members) {
fprintf (codefile, "\tflags.%s = (n >> %d) & 1;\n",
m->gen_name, m->val);
}
}
fprintf (codefile, "\treturn flags;\n"
"}\n\n");
}
static void
generate_units (const Type *t, const char *gen_name)
{
Member *m;
if (template_flag) {
fprintf (headerfile,
"extern const struct units *asn1_%s_table_units;\n",
gen_name);
fprintf (headerfile, "#define asn1_%s_units() (asn1_%s_table_units)\n",
gen_name, gen_name);
} else {
fprintf (headerfile,
"const struct units * asn1_%s_units(void);",
gen_name);
}
fprintf (codefile,
"static struct units %s_units[] = {\n",
gen_name);
if(t->members) {
ASN1_TAILQ_FOREACH_REVERSE(m, t->members, memhead, members) {
fprintf (codefile,
"\t{\"%s\",\t1U << %d},\n", m->name, m->val);
}
}
fprintf (codefile,
"\t{NULL,\t0}\n"
"};\n\n");
if (template_flag)
fprintf (codefile,
"const struct units * asn1_%s_table_units = %s_units;\n",
gen_name, gen_name);
else
fprintf (codefile,
"const struct units * asn1_%s_units(void){\n"
"return %s_units;\n"
"}\n\n",
gen_name, gen_name);
}
void
generate_glue (const Type *t, const char *gen_name)
{
switch(t->type) {
case TTag:
generate_glue(t->subtype, gen_name);
break;
case TBitString :
if (!ASN1_TAILQ_EMPTY(t->members)) {
generate_2int (t, gen_name);
generate_int2 (t, gen_name);
generate_units (t, gen_name);
}
break;
default :
break;
}
}