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#include "asn1c_internal.h"
#include "asn1c_lang.h"
#include "asn1c_out.h"
#include "asn1c_save.h"
static void default_logger_cb(int, const char *fmt, ...);
static int asn1c_compile_expr(arg_t *arg);
static int asn1c_attach_streams(asn1p_expr_t *expr);
int
asn1_compile(asn1p_t *asn, const char *datadir, enum asn1c_flags flags,
int argc, int optc, char **argv) {
arg_t arg_s;
arg_t *arg = &arg_s;
asn1p_module_t *mod;
int ret;
/*
* Initialize target language.
*/
ret = asn1c_with_language(ASN1C_LANGUAGE_C);
assert(ret == 0);
memset(arg, 0, sizeof(*arg));
arg->default_cb = asn1c_compile_expr;
arg->logger_cb = default_logger_cb;
arg->flags = flags;
arg->asn = asn;
/*
* Compile each individual top level structure.
*/
TQ_FOR(mod, &(asn->modules), mod_next) {
TQ_FOR(arg->expr, &(mod->members), next) {
compiler_streams_t *cs = NULL;
if(asn1c_attach_streams(arg->expr))
return -1;
cs = arg->expr->data;
cs->target = OT_TYPE_DECLS;
arg->target = cs;
ret = asn1c_compile_expr(arg);
if(ret) {
FATAL("Cannot compile \"%s\" (%x:%x) at line %d",
arg->expr->Identifier,
arg->expr->expr_type,
arg->expr->meta_type,
arg->expr->_lineno);
return ret;
}
}
}
DEBUG("Saving compiled data");
/*
* Save or print out the compiled result.
*/
if(asn1c_save_compiled_output(arg, datadir, argc, optc, argv))
return -1;
return 0;
}
static int
asn1c_compile_expr(arg_t *arg) {
asn1p_expr_t *expr = arg->expr;
int (*type_cb)(arg_t *);
int ret;
assert((int)expr->meta_type >= AMT_INVALID);
assert(expr->meta_type < AMT_EXPR_META_MAX);
assert((int)expr->expr_type >= A1TC_INVALID);
assert(expr->expr_type < ASN_EXPR_TYPE_MAX);
type_cb = asn1_lang_map[expr->meta_type][expr->expr_type].type_cb;
if(type_cb) {
DEBUG("Compiling %s at line %d",
expr->Identifier,
expr->_lineno);
if(expr->lhs_params && expr->spec_index == -1) {
int i;
ret = 0;
DEBUG("Parameterized type %s at line %d: %s (%d)",
expr->Identifier, expr->_lineno,
expr->specializations.pspecs_count
? "compiling" : "unused, skipping");
for(i = 0; i<expr->specializations.pspecs_count; i++) {
arg->expr = expr->specializations
.pspec[i].my_clone;
ret = asn1c_compile_expr(arg);
if(ret) break;
}
arg->expr = expr; /* Restore */
} else {
ret = type_cb(arg);
if(arg->target->destination[OT_TYPE_DECLS]
.indent_level == 0)
OUT(";\n");
}
} else {
ret = -1;
/*
* Even if the target language compiler does not know
* how to compile the given expression, we know that
* certain expressions need not to be compiled at all.
*/
switch(expr->meta_type) {
case AMT_OBJECT:
case AMT_OBJECTCLASS:
case AMT_OBJECTFIELD:
case AMT_VALUE:
case AMT_VALUESET:
ret = 0;
break;
default:
break;
}
}
if(ret == -1) {
FATAL("Cannot compile \"%s\" (%x:%x) at line %d",
arg->expr->Identifier,
arg->expr->expr_type,
arg->expr->meta_type,
arg->expr->_lineno);
OUT("#error Cannot compile \"%s\" (%x/%x) at line %d\n",
arg->expr->Identifier,
arg->expr->meta_type,
arg->expr->expr_type,
arg->expr->_lineno
);
}
return ret;
}
static int
asn1c_attach_streams(asn1p_expr_t *expr) {
compiler_streams_t *cs;
int i;
if(expr->data)
return 0; /* Already attached? */
expr->data = calloc(1, sizeof(compiler_streams_t));
if(expr->data == NULL)
return -1;
cs = expr->data;
for(i = 0; i < OT_MAX; i++) {
TQ_INIT(&(cs->destination[i].chunks));
}
return 0;
}
static void
default_logger_cb(int _severity, const char *fmt, ...) {
va_list ap;
char *pfx = "";
switch(_severity) {
case -1: pfx = "DEBUG: "; break;
case 0: pfx = "WARNING: "; break;
case 1: pfx = "FATAL: "; break;
}
fprintf(stderr, "%s", pfx);
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
}
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