vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | #include "asn1fix_internal.h" |
| 2 | |
| 3 | int |
| 4 | asn1f_fix_dereference_types(arg_t *arg) { |
| 5 | asn1p_expr_t *expr = arg->expr; |
| 6 | asn1p_expr_t *type_expr; |
| 7 | int r_value = 0; |
| 8 | |
| 9 | if(expr->expr_type == A1TC_PARAMETRIZED) |
| 10 | return asn1f_fix_parametrized_assignment(arg); |
| 11 | |
| 12 | if(expr->expr_type != A1TC_REFERENCE |
| 13 | || expr->meta_type != AMT_TYPEREF) { |
| 14 | //assert(expr->reference == 0); |
| 15 | return 0; /* Just ignore it */ |
| 16 | } |
| 17 | |
| 18 | DEBUG("%s(\"%s\":%x ::= \"%s\") for line %d", |
| 19 | __func__, expr->Identifier, expr->expr_type, |
| 20 | asn1f_printable_value(expr->value), |
| 21 | expr->_lineno); |
| 22 | |
| 23 | assert(TQ_FIRST(&(expr->members)) == 0); |
| 24 | assert(expr->reference); |
| 25 | |
| 26 | /* |
| 27 | * Follow the reference. |
| 28 | */ |
| 29 | type_expr = asn1f_find_terminal_type(arg, expr, 0); |
| 30 | if(type_expr == NULL) { |
vlm | d9cd3f9 | 2004-06-28 21:21:24 +0000 | [diff] [blame] | 31 | const char *type_name; |
| 32 | |
| 33 | if(errno == EEXIST) { |
| 34 | /* Ignore missing type |
| 35 | * if known to be defined externally: |
| 36 | * -fknown-extern-type=<name> |
| 37 | */ |
| 38 | return 0; |
| 39 | } |
| 40 | |
| 41 | type_name = asn1f_printable_reference(expr->reference); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 42 | FATAL("Unknown type \"%s\" referenced by \"%s\" at line %d", |
vlm | d9cd3f9 | 2004-06-28 21:21:24 +0000 | [diff] [blame] | 43 | type_name, expr->Identifier, expr->_lineno); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 44 | return -1; |
| 45 | } |
| 46 | |
| 47 | /* |
| 48 | * Copying members of the source expression |
| 49 | * into the current expression. |
| 50 | */ |
| 51 | if(0) { |
| 52 | asn1p_expr_t *tmp_clone; |
| 53 | |
| 54 | tmp_clone = asn1p_expr_clone(type_expr); |
| 55 | if(tmp_clone == NULL) { |
| 56 | FATAL("Could not clone \"%s\" at line %d", |
| 57 | type_expr->Identifier, type_expr->_lineno); |
| 58 | return -1; |
| 59 | } |
| 60 | |
| 61 | /* |
| 62 | * Replace the referenced type with its definition. |
| 63 | */ |
| 64 | DEBUG("\tChanging type of \"%s\":%x to %x for line %d", |
| 65 | expr->Identifier, |
| 66 | expr->expr_type, |
| 67 | type_expr->expr_type, |
| 68 | expr->_lineno |
| 69 | ); |
| 70 | expr->expr_type = type_expr->expr_type; |
| 71 | expr->members = tmp_clone->members; |
| 72 | memset(&tmp_clone->members, 0, sizeof(tmp_clone->members)); |
| 73 | asn1p_expr_free(tmp_clone); |
| 74 | } |
| 75 | |
| 76 | return r_value; |
| 77 | } |
| 78 | |