vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | #include "asn1c_internal.h" |
vlm | b283901 | 2004-08-20 13:37:01 +0000 | [diff] [blame] | 2 | #include "asn1c_misc.h" |
| 3 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 4 | #include <asn1fix_export.h> |
| 5 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 6 | /* |
| 7 | * Construct identifier from multiple parts. |
| 8 | * Convert unsafe characters to underscores. |
| 9 | */ |
| 10 | char * |
| 11 | asn1c_make_identifier(int unsafe_only_spaces, char *arg1, ...) { |
| 12 | static char *storage; |
| 13 | static int storage_size; |
| 14 | int nodelimiter = 0; |
| 15 | va_list ap; |
| 16 | char *str; |
| 17 | int size; |
| 18 | char *p; |
| 19 | |
| 20 | if(arg1 == NULL) |
| 21 | return NULL; |
| 22 | |
| 23 | /* |
| 24 | * Estimate the necessary storage size |
| 25 | */ |
| 26 | size = strlen(arg1); |
| 27 | va_start(ap, arg1); |
| 28 | while((str = va_arg(ap, char *))) |
| 29 | size += 1 + strlen(str); |
| 30 | va_end(ap); |
| 31 | |
| 32 | /* |
| 33 | * Make sure we have this amount of storage. |
| 34 | */ |
| 35 | if(storage_size <= size) { |
| 36 | if(storage) free(storage); |
| 37 | storage = malloc(size + 1); |
| 38 | if(storage) { |
| 39 | storage_size = size; |
| 40 | } else { |
| 41 | storage_size = 0; |
| 42 | return NULL; |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | /* |
| 47 | * Fill-in the storage. |
| 48 | */ |
| 49 | va_start(ap, arg1); |
| 50 | str = arg1; |
| 51 | p = storage; |
| 52 | for(str = arg1; str; str = va_arg(ap, char *)) { |
| 53 | int subst_made = 0; |
| 54 | |
| 55 | if(str[0] == ' ' && str[1] == '\0') { |
| 56 | *p++ = ' '; |
| 57 | nodelimiter = 1; /* No delimiter */ |
| 58 | continue; |
| 59 | } |
| 60 | |
| 61 | if(str != arg1 && !nodelimiter) |
| 62 | *p++ = '_'; /* Delimiter between tokens */ |
| 63 | nodelimiter = 0; |
| 64 | |
| 65 | for(; *str; str++) { |
| 66 | if(isalnum(*str)) { |
| 67 | *p++ = *str; |
| 68 | subst_made = 0; |
| 69 | } else if(!subst_made++) { |
| 70 | if(unsafe_only_spaces && !isspace(*str)) { |
| 71 | *p ++ = *str; |
| 72 | } else { |
| 73 | *p++ = '_'; |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | va_end(ap); |
| 79 | *p = '\0'; |
| 80 | |
| 81 | assert((p - storage) <= storage_size); |
| 82 | |
| 83 | return storage; |
| 84 | } |
| 85 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 86 | char * |
| 87 | asn1c_type_name(arg_t *arg, asn1p_expr_t *expr, enum tnfmt _format) { |
vlm | fb41dbb | 2004-09-08 00:28:57 +0000 | [diff] [blame] | 88 | asn1p_expr_t *top_parent; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 89 | char *typename; |
| 90 | |
vlm | fb41dbb | 2004-09-08 00:28:57 +0000 | [diff] [blame] | 91 | /* Rewind to the topmost parent expression */ |
| 92 | if((top_parent = expr->parent_expr)) |
| 93 | while(top_parent->parent_expr) |
| 94 | top_parent = top_parent->parent_expr; |
| 95 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 96 | switch(expr->expr_type) { |
| 97 | case A1TC_REFERENCE: |
| 98 | typename = expr->reference->components[ |
| 99 | expr->reference->comp_count-1].name; |
| 100 | if(typename[0] == '&') { |
| 101 | arg_t tmp = *arg; |
| 102 | |
| 103 | /* |
| 104 | * This is a reference to a type defined in a class. |
| 105 | * Resolve it and use instead. |
| 106 | */ |
| 107 | tmp.expr = asn1f_class_access_ex(arg->asn, arg->mod, |
vlm | b179d31 | 2004-08-22 03:23:15 +0000 | [diff] [blame] | 108 | arg->expr, expr->reference); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 109 | if(tmp.expr) return NULL; |
| 110 | |
vlm | b179d31 | 2004-08-22 03:23:15 +0000 | [diff] [blame] | 111 | tmp.mod = tmp.expr->module; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 112 | return asn1c_type_name(&tmp, tmp.expr, _format); |
vlm | fb41dbb | 2004-09-08 00:28:57 +0000 | [diff] [blame] | 113 | } |
| 114 | |
vlm | b47f48e | 2004-09-17 06:32:12 +0000 | [diff] [blame] | 115 | if(_format == TNF_CTYPE) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 116 | /* |
vlm | b47f48e | 2004-09-17 06:32:12 +0000 | [diff] [blame] | 117 | * If the component references the type itself, |
| 118 | * switch to a recursion safe type representation |
| 119 | * ("struct foo" instead of "foo_t"). |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 120 | */ |
| 121 | asn1p_expr_t *terminal; |
vlm | cbebb81 | 2004-09-22 16:05:13 +0000 | [diff] [blame] | 122 | terminal = asn1f_find_terminal_type_ex(arg->asn, expr); |
vlm | b47f48e | 2004-09-17 06:32:12 +0000 | [diff] [blame] | 123 | if(terminal && terminal == top_parent) { |
| 124 | _format = TNF_RSAFE; |
vlm | fb41dbb | 2004-09-08 00:28:57 +0000 | [diff] [blame] | 125 | } |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 126 | } |
| 127 | break; |
vlm | c161f0c | 2004-08-25 02:03:26 +0000 | [diff] [blame] | 128 | #if 0 |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 129 | case ASN_CONSTR_SEQUENCE_OF: |
| 130 | case ASN_CONSTR_SET_OF: |
| 131 | if(expr->Identifier) { |
| 132 | typename = expr->Identifier; |
| 133 | } else { |
| 134 | asn1p_expr_t *child; |
| 135 | child = TQ_FIRST(&(expr->members)); |
| 136 | typename = asn1c_type_name(arg, child, _format); |
| 137 | if(typename) |
| 138 | return typename; |
| 139 | _format = TNF_SAFE; |
| 140 | typename = child->Identifier; |
| 141 | } |
| 142 | break; |
vlm | c161f0c | 2004-08-25 02:03:26 +0000 | [diff] [blame] | 143 | #endif |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 144 | case ASN_BASIC_INTEGER: |
| 145 | case ASN_BASIC_ENUMERATED: |
vlm | f9d178d | 2004-09-14 12:47:45 +0000 | [diff] [blame] | 146 | case ASN_BASIC_REAL: |
| 147 | if((arg->flags & A1C_USE_NATIVE_TYPES)) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 148 | switch(_format) { |
| 149 | case TNF_CTYPE: |
| 150 | case TNF_RSAFE: |
vlm | f9d178d | 2004-09-14 12:47:45 +0000 | [diff] [blame] | 151 | if(expr->expr_type == ASN_BASIC_REAL) |
| 152 | return "double"; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 153 | else |
vlm | f9d178d | 2004-09-14 12:47:45 +0000 | [diff] [blame] | 154 | return "int"; |
| 155 | default: break; |
| 156 | } |
| 157 | switch(expr->expr_type) { |
| 158 | case ASN_BASIC_INTEGER: |
| 159 | return "NativeInteger"; |
| 160 | case ASN_BASIC_ENUMERATED: |
| 161 | return "NativeEnumerated"; |
| 162 | case ASN_BASIC_REAL: |
| 163 | return "NativeReal"; |
| 164 | default: break; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 165 | } |
| 166 | } |
| 167 | /* Fall through */ |
| 168 | default: |
vlm | c161f0c | 2004-08-25 02:03:26 +0000 | [diff] [blame] | 169 | if(expr->expr_type |
| 170 | & (ASN_CONSTR_MASK | ASN_BASIC_MASK | ASN_STRING_MASK)) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 171 | if(_format == TNF_RSAFE) |
| 172 | _format = TNF_CTYPE; |
| 173 | typename = ASN_EXPR_TYPE2STR(expr->expr_type); |
| 174 | } else { |
vlm | b47f48e | 2004-09-17 06:32:12 +0000 | [diff] [blame] | 175 | _format = TNF_RSAFE; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 176 | typename = expr->Identifier; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | switch(_format) { |
| 181 | case TNF_UNMODIFIED: |
| 182 | case TNF_INCLUDE: |
| 183 | return asn1c_make_identifier(1, typename, 0); |
| 184 | case TNF_SAFE: |
| 185 | return asn1c_make_identifier(0, typename, 0); |
| 186 | case TNF_CTYPE: |
| 187 | return asn1c_make_identifier(0, typename, "t", 0); |
| 188 | case TNF_RSAFE: |
| 189 | return asn1c_make_identifier(0, "struct", " ", typename, 0); |
| 190 | } |
| 191 | |
vlm | b47f48e | 2004-09-17 06:32:12 +0000 | [diff] [blame] | 192 | assert(!"unreachable"); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 193 | return typename; |
| 194 | } |
| 195 | |