| #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"); |
| } |
| |