Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 1 | %{ |
| 2 | #include "aidl_language.h" |
| 3 | #include <stdio.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <string.h> |
| 6 | |
| 7 | int yyerror(char* errstr); |
| 8 | int yylex(void); |
| 9 | extern int yylineno; |
| 10 | |
| 11 | static int count_brackets(const char*); |
| 12 | |
| 13 | %} |
| 14 | |
| 15 | %token IMPORT |
| 16 | %token PACKAGE |
| 17 | %token IDENTIFIER |
| 18 | %token IDVALUE |
| 19 | %token GENERIC |
| 20 | %token ARRAY |
| 21 | %token PARCELABLE |
| 22 | %token INTERFACE |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 23 | %token IN |
| 24 | %token OUT |
| 25 | %token INOUT |
| 26 | %token ONEWAY |
| 27 | |
| 28 | %% |
| 29 | document: |
| 30 | document_items { g_callbacks->document($1.document_item); } |
| 31 | | headers document_items { g_callbacks->document($2.document_item); } |
| 32 | ; |
| 33 | |
| 34 | headers: |
| 35 | package { } |
| 36 | | imports { } |
| 37 | | package imports { } |
| 38 | ; |
| 39 | |
| 40 | package: |
| 41 | PACKAGE { } |
| 42 | ; |
| 43 | |
| 44 | imports: |
| 45 | IMPORT { g_callbacks->import(&($1.buffer)); } |
| 46 | | IMPORT imports { g_callbacks->import(&($1.buffer)); } |
| 47 | ; |
| 48 | |
| 49 | document_items: |
| 50 | { $$.document_item = NULL; } |
| 51 | | document_items declaration { |
| 52 | if ($2.document_item == NULL) { |
| 53 | // error cases only |
| 54 | $$ = $1; |
| 55 | } else { |
| 56 | document_item_type* p = $1.document_item; |
| 57 | while (p && p->next) { |
| 58 | p=p->next; |
| 59 | } |
| 60 | if (p) { |
| 61 | p->next = (document_item_type*)$2.document_item; |
| 62 | $$ = $1; |
| 63 | } else { |
| 64 | $$.document_item = (document_item_type*)$2.document_item; |
| 65 | } |
| 66 | } |
| 67 | } |
| 68 | | document_items error { |
| 69 | fprintf(stderr, "%s:%d: syntax error don't know what to do with \"%s\"\n", g_currentFilename, |
| 70 | $2.buffer.lineno, $2.buffer.data); |
| 71 | $$ = $1; |
| 72 | } |
| 73 | ; |
| 74 | |
| 75 | declaration: |
| 76 | parcelable_decl { $$.document_item = (document_item_type*)$1.user_data; } |
| 77 | | interface_decl { $$.document_item = (document_item_type*)$1.interface_item; } |
| 78 | ; |
| 79 | |
| 80 | parcelable_decl: |
| 81 | PARCELABLE IDENTIFIER ';' { |
| 82 | user_data_type* b = (user_data_type*)malloc(sizeof(user_data_type)); |
| 83 | b->document_item.item_type = USER_DATA_TYPE; |
| 84 | b->document_item.next = NULL; |
| 85 | b->keyword_token = $1.buffer; |
| 86 | b->name = $2.buffer; |
| 87 | b->package = g_currentPackage ? strdup(g_currentPackage) : NULL; |
| 88 | b->semicolon_token = $3.buffer; |
Casey Dahlin | 88868fc | 2015-09-01 13:21:26 -0700 | [diff] [blame^] | 89 | b->parcelable = true; |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 90 | $$.user_data = b; |
| 91 | } |
| 92 | | PARCELABLE ';' { |
| 93 | fprintf(stderr, "%s:%d syntax error in parcelable declaration. Expected type name.\n", |
| 94 | g_currentFilename, $1.buffer.lineno); |
| 95 | $$.user_data = NULL; |
| 96 | } |
| 97 | | PARCELABLE error ';' { |
| 98 | fprintf(stderr, "%s:%d syntax error in parcelable declaration. Expected type name, saw \"%s\".\n", |
| 99 | g_currentFilename, $2.buffer.lineno, $2.buffer.data); |
| 100 | $$.user_data = NULL; |
| 101 | } |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 102 | ; |
| 103 | |
| 104 | interface_header: |
| 105 | INTERFACE { |
| 106 | interface_type* c = (interface_type*)malloc(sizeof(interface_type)); |
| 107 | c->document_item.item_type = INTERFACE_TYPE_BINDER; |
| 108 | c->document_item.next = NULL; |
| 109 | c->interface_token = $1.buffer; |
| 110 | c->oneway = false; |
| 111 | memset(&c->oneway_token, 0, sizeof(buffer_type)); |
| 112 | c->comments_token = &c->interface_token; |
| 113 | $$.interface_obj = c; |
| 114 | } |
| 115 | | ONEWAY INTERFACE { |
| 116 | interface_type* c = (interface_type*)malloc(sizeof(interface_type)); |
| 117 | c->document_item.item_type = INTERFACE_TYPE_BINDER; |
| 118 | c->document_item.next = NULL; |
| 119 | c->interface_token = $2.buffer; |
| 120 | c->oneway = true; |
| 121 | c->oneway_token = $1.buffer; |
| 122 | c->comments_token = &c->oneway_token; |
| 123 | $$.interface_obj = c; |
| 124 | } |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 125 | ; |
| 126 | |
| 127 | interface_decl: |
| 128 | interface_header IDENTIFIER '{' interface_items '}' { |
| 129 | interface_type* c = $1.interface_obj; |
| 130 | c->name = $2.buffer; |
| 131 | c->package = g_currentPackage ? strdup(g_currentPackage) : NULL; |
| 132 | c->open_brace_token = $3.buffer; |
| 133 | c->interface_items = $4.interface_item; |
| 134 | c->close_brace_token = $5.buffer; |
| 135 | $$.interface_obj = c; |
| 136 | } |
Casey Dahlin | 88868fc | 2015-09-01 13:21:26 -0700 | [diff] [blame^] | 137 | | INTERFACE error '{' interface_items '}' { |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 138 | fprintf(stderr, "%s:%d: syntax error in interface declaration. Expected type name, saw \"%s\"\n", |
| 139 | g_currentFilename, $2.buffer.lineno, $2.buffer.data); |
| 140 | $$.document_item = NULL; |
| 141 | } |
Casey Dahlin | 88868fc | 2015-09-01 13:21:26 -0700 | [diff] [blame^] | 142 | | INTERFACE error '}' { |
Adam Lesinski | ffa1686 | 2014-01-23 18:17:42 -0800 | [diff] [blame] | 143 | fprintf(stderr, "%s:%d: syntax error in interface declaration. Expected type name, saw \"%s\"\n", |
| 144 | g_currentFilename, $2.buffer.lineno, $2.buffer.data); |
| 145 | $$.document_item = NULL; |
| 146 | } |
| 147 | |
| 148 | ; |
| 149 | |
| 150 | interface_items: |
| 151 | { $$.interface_item = NULL; } |
| 152 | | interface_items method_decl { |
| 153 | interface_item_type* p=$1.interface_item; |
| 154 | while (p && p->next) { |
| 155 | p=p->next; |
| 156 | } |
| 157 | if (p) { |
| 158 | p->next = (interface_item_type*)$2.method; |
| 159 | $$ = $1; |
| 160 | } else { |
| 161 | $$.interface_item = (interface_item_type*)$2.method; |
| 162 | } |
| 163 | } |
| 164 | | interface_items error ';' { |
| 165 | fprintf(stderr, "%s:%d: syntax error before ';' (expected method declaration)\n", |
| 166 | g_currentFilename, $3.buffer.lineno); |
| 167 | $$ = $1; |
| 168 | } |
| 169 | ; |
| 170 | |
| 171 | method_decl: |
| 172 | type IDENTIFIER '(' arg_list ')' ';' { |
| 173 | method_type *method = (method_type*)malloc(sizeof(method_type)); |
| 174 | method->interface_item.item_type = METHOD_TYPE; |
| 175 | method->interface_item.next = NULL; |
| 176 | method->oneway = false; |
| 177 | method->type = $1.type; |
| 178 | memset(&method->oneway_token, 0, sizeof(buffer_type)); |
| 179 | method->name = $2.buffer; |
| 180 | method->open_paren_token = $3.buffer; |
| 181 | method->args = $4.arg; |
| 182 | method->close_paren_token = $5.buffer; |
| 183 | method->hasId = false; |
| 184 | memset(&method->equals_token, 0, sizeof(buffer_type)); |
| 185 | memset(&method->id, 0, sizeof(buffer_type)); |
| 186 | method->semicolon_token = $6.buffer; |
| 187 | method->comments_token = &method->type.type; |
| 188 | $$.method = method; |
| 189 | } |
| 190 | | ONEWAY type IDENTIFIER '(' arg_list ')' ';' { |
| 191 | method_type *method = (method_type*)malloc(sizeof(method_type)); |
| 192 | method->interface_item.item_type = METHOD_TYPE; |
| 193 | method->interface_item.next = NULL; |
| 194 | method->oneway = true; |
| 195 | method->oneway_token = $1.buffer; |
| 196 | method->type = $2.type; |
| 197 | method->name = $3.buffer; |
| 198 | method->open_paren_token = $4.buffer; |
| 199 | method->args = $5.arg; |
| 200 | method->close_paren_token = $6.buffer; |
| 201 | method->hasId = false; |
| 202 | memset(&method->equals_token, 0, sizeof(buffer_type)); |
| 203 | memset(&method->id, 0, sizeof(buffer_type)); |
| 204 | method->semicolon_token = $7.buffer; |
| 205 | method->comments_token = &method->oneway_token; |
| 206 | $$.method = method; |
| 207 | } |
| 208 | | type IDENTIFIER '(' arg_list ')' '=' IDVALUE ';' { |
| 209 | method_type *method = (method_type*)malloc(sizeof(method_type)); |
| 210 | method->interface_item.item_type = METHOD_TYPE; |
| 211 | method->interface_item.next = NULL; |
| 212 | method->oneway = false; |
| 213 | memset(&method->oneway_token, 0, sizeof(buffer_type)); |
| 214 | method->type = $1.type; |
| 215 | method->name = $2.buffer; |
| 216 | method->open_paren_token = $3.buffer; |
| 217 | method->args = $4.arg; |
| 218 | method->close_paren_token = $5.buffer; |
| 219 | method->hasId = true; |
| 220 | method->equals_token = $6.buffer; |
| 221 | method->id = $7.buffer; |
| 222 | method->semicolon_token = $8.buffer; |
| 223 | method->comments_token = &method->type.type; |
| 224 | $$.method = method; |
| 225 | } |
| 226 | | ONEWAY type IDENTIFIER '(' arg_list ')' '=' IDVALUE ';' { |
| 227 | method_type *method = (method_type*)malloc(sizeof(method_type)); |
| 228 | method->interface_item.item_type = METHOD_TYPE; |
| 229 | method->interface_item.next = NULL; |
| 230 | method->oneway = true; |
| 231 | method->oneway_token = $1.buffer; |
| 232 | method->type = $2.type; |
| 233 | method->name = $3.buffer; |
| 234 | method->open_paren_token = $4.buffer; |
| 235 | method->args = $5.arg; |
| 236 | method->close_paren_token = $6.buffer; |
| 237 | method->hasId = true; |
| 238 | method->equals_token = $7.buffer; |
| 239 | method->id = $8.buffer; |
| 240 | method->semicolon_token = $9.buffer; |
| 241 | method->comments_token = &method->oneway_token; |
| 242 | $$.method = method; |
| 243 | } |
| 244 | ; |
| 245 | |
| 246 | arg_list: |
| 247 | { $$.arg = NULL; } |
| 248 | | arg { $$ = $1; } |
| 249 | | arg_list ',' arg { |
| 250 | if ($$.arg != NULL) { |
| 251 | // only NULL on error |
| 252 | $$ = $1; |
| 253 | arg_type *p = $1.arg; |
| 254 | while (p && p->next) { |
| 255 | p=p->next; |
| 256 | } |
| 257 | $3.arg->comma_token = $2.buffer; |
| 258 | p->next = $3.arg; |
| 259 | } |
| 260 | } |
| 261 | | error { |
| 262 | fprintf(stderr, "%s:%d: syntax error in parameter list\n", g_currentFilename, $1.buffer.lineno); |
| 263 | $$.arg = NULL; |
| 264 | } |
| 265 | ; |
| 266 | |
| 267 | arg: |
| 268 | direction type IDENTIFIER { |
| 269 | arg_type* arg = (arg_type*)malloc(sizeof(arg_type)); |
| 270 | memset(&arg->comma_token, 0, sizeof(buffer_type)); |
| 271 | arg->direction = $1.buffer; |
| 272 | arg->type = $2.type; |
| 273 | arg->name = $3.buffer; |
| 274 | arg->next = NULL; |
| 275 | $$.arg = arg; |
| 276 | } |
| 277 | ; |
| 278 | |
| 279 | type: |
| 280 | IDENTIFIER { |
| 281 | $$.type.type = $1.buffer; |
| 282 | init_buffer_type(&$$.type.array_token, yylineno); |
| 283 | $$.type.dimension = 0; |
| 284 | } |
| 285 | | IDENTIFIER ARRAY { |
| 286 | $$.type.type = $1.buffer; |
| 287 | $$.type.array_token = $2.buffer; |
| 288 | $$.type.dimension = count_brackets($2.buffer.data); |
| 289 | } |
| 290 | | GENERIC { |
| 291 | $$.type.type = $1.buffer; |
| 292 | init_buffer_type(&$$.type.array_token, yylineno); |
| 293 | $$.type.dimension = 0; |
| 294 | } |
| 295 | ; |
| 296 | |
| 297 | direction: |
| 298 | { init_buffer_type(&$$.buffer, yylineno); } |
| 299 | | IN { $$.buffer = $1.buffer; } |
| 300 | | OUT { $$.buffer = $1.buffer; } |
| 301 | | INOUT { $$.buffer = $1.buffer; } |
| 302 | ; |
| 303 | |
| 304 | %% |
| 305 | |
| 306 | #include <ctype.h> |
| 307 | #include <stdio.h> |
| 308 | |
| 309 | int g_error = 0; |
| 310 | |
| 311 | int yyerror(char* errstr) |
| 312 | { |
| 313 | fprintf(stderr, "%s:%d: %s\n", g_currentFilename, yylineno, errstr); |
| 314 | g_error = 1; |
| 315 | return 1; |
| 316 | } |
| 317 | |
| 318 | void init_buffer_type(buffer_type* buf, int lineno) |
| 319 | { |
| 320 | buf->lineno = lineno; |
| 321 | buf->token = 0; |
| 322 | buf->data = NULL; |
| 323 | buf->extra = NULL; |
| 324 | } |
| 325 | |
| 326 | static int count_brackets(const char* s) |
| 327 | { |
| 328 | int n=0; |
| 329 | while (*s) { |
| 330 | if (*s == '[') n++; |
| 331 | s++; |
| 332 | } |
| 333 | return n; |
| 334 | } |