| 1 | ########################
|
|---|
| 2 | # IDL Parse::Yapp parser
|
|---|
| 3 | # Copyright (C) Andrew Tridgell <tridge@samba.org>
|
|---|
| 4 | # released under the GNU GPL version 3 or later
|
|---|
| 5 |
|
|---|
| 6 |
|
|---|
| 7 |
|
|---|
| 8 | # the precedence actually doesn't matter at all for this grammar, but
|
|---|
| 9 | # by providing a precedence we reduce the number of conflicts
|
|---|
| 10 | # enormously
|
|---|
| 11 | %left '-' '+' '&' '|' '*' '>' '.' '/' '(' ')' '[' ',' ';'
|
|---|
| 12 |
|
|---|
| 13 |
|
|---|
| 14 | ################
|
|---|
| 15 | # grammar
|
|---|
| 16 | %%
|
|---|
| 17 | idl:
|
|---|
| 18 | #empty { {} }
|
|---|
| 19 | |
|
|---|
| 20 | idl interface { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 21 | |
|
|---|
| 22 | idl coclass { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 23 | |
|
|---|
| 24 | idl import { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 25 | |
|
|---|
| 26 | idl include { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 27 | |
|
|---|
| 28 | idl importlib { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 29 | |
|
|---|
| 30 | idl cpp_quote { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 31 | ;
|
|---|
| 32 |
|
|---|
| 33 | import:
|
|---|
| 34 | 'import' commalist ';'
|
|---|
| 35 | {{
|
|---|
| 36 | "TYPE" => "IMPORT",
|
|---|
| 37 | "PATHS" => $_[2],
|
|---|
| 38 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 39 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 40 | }}
|
|---|
| 41 | ;
|
|---|
| 42 |
|
|---|
| 43 | include:
|
|---|
| 44 | 'include' commalist ';'
|
|---|
| 45 | {{
|
|---|
| 46 | "TYPE" => "INCLUDE",
|
|---|
| 47 | "PATHS" => $_[2],
|
|---|
| 48 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 49 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 50 | }}
|
|---|
| 51 | ;
|
|---|
| 52 |
|
|---|
| 53 | importlib:
|
|---|
| 54 | 'importlib' commalist ';'
|
|---|
| 55 | {{
|
|---|
| 56 | "TYPE" => "IMPORTLIB",
|
|---|
| 57 | "PATHS" => $_[2],
|
|---|
| 58 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 59 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 60 | }}
|
|---|
| 61 | ;
|
|---|
| 62 |
|
|---|
| 63 | commalist:
|
|---|
| 64 | text { [ $_[1] ] }
|
|---|
| 65 | |
|
|---|
| 66 | commalist ',' text { push(@{$_[1]}, $_[3]); $_[1] }
|
|---|
| 67 | ;
|
|---|
| 68 |
|
|---|
| 69 | coclass:
|
|---|
| 70 | property_list 'coclass' identifier '{' interface_names '}' optional_semicolon
|
|---|
| 71 | {{
|
|---|
| 72 | "TYPE" => "COCLASS",
|
|---|
| 73 | "PROPERTIES" => $_[1],
|
|---|
| 74 | "NAME" => $_[3],
|
|---|
| 75 | "DATA" => $_[5],
|
|---|
| 76 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 77 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 78 | }}
|
|---|
| 79 | ;
|
|---|
| 80 |
|
|---|
| 81 | interface_names:
|
|---|
| 82 | #empty { {} }
|
|---|
| 83 | |
|
|---|
| 84 | interface_names 'interface' identifier ';' { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 85 | ;
|
|---|
| 86 |
|
|---|
| 87 | interface:
|
|---|
| 88 | property_list 'interface' identifier base_interface '{' definitions '}' optional_semicolon
|
|---|
| 89 | {{
|
|---|
| 90 | "TYPE" => "INTERFACE",
|
|---|
| 91 | "PROPERTIES" => $_[1],
|
|---|
| 92 | "NAME" => $_[3],
|
|---|
| 93 | "BASE" => $_[4],
|
|---|
| 94 | "DATA" => $_[6],
|
|---|
| 95 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 96 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 97 | }}
|
|---|
| 98 | ;
|
|---|
| 99 |
|
|---|
| 100 | base_interface:
|
|---|
| 101 | #empty
|
|---|
| 102 | |
|
|---|
| 103 | ':' identifier { $_[2] }
|
|---|
| 104 | ;
|
|---|
| 105 |
|
|---|
| 106 |
|
|---|
| 107 | cpp_quote:
|
|---|
| 108 | 'cpp_quote' '(' text ')'
|
|---|
| 109 | {{
|
|---|
| 110 | "TYPE" => "CPP_QUOTE",
|
|---|
| 111 | "DATA" => $_[3],
|
|---|
| 112 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 113 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 114 | }}
|
|---|
| 115 | ;
|
|---|
| 116 |
|
|---|
| 117 | definitions:
|
|---|
| 118 | definition { [ $_[1] ] }
|
|---|
| 119 | |
|
|---|
| 120 | definitions definition { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 121 | ;
|
|---|
| 122 |
|
|---|
| 123 | definition:
|
|---|
| 124 | function
|
|---|
| 125 | |
|
|---|
| 126 | const
|
|---|
| 127 | |
|
|---|
| 128 | typedef
|
|---|
| 129 | |
|
|---|
| 130 | typedecl
|
|---|
| 131 | ;
|
|---|
| 132 |
|
|---|
| 133 | const:
|
|---|
| 134 | 'const' identifier pointers identifier '=' anytext ';'
|
|---|
| 135 | {{
|
|---|
| 136 | "TYPE" => "CONST",
|
|---|
| 137 | "DTYPE" => $_[2],
|
|---|
| 138 | "POINTERS" => $_[3],
|
|---|
| 139 | "NAME" => $_[4],
|
|---|
| 140 | "VALUE" => $_[6],
|
|---|
| 141 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 142 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 143 | }}
|
|---|
| 144 | |
|
|---|
| 145 | 'const' identifier pointers identifier array_len '=' anytext ';'
|
|---|
| 146 | {{
|
|---|
| 147 | "TYPE" => "CONST",
|
|---|
| 148 | "DTYPE" => $_[2],
|
|---|
| 149 | "POINTERS" => $_[3],
|
|---|
| 150 | "NAME" => $_[4],
|
|---|
| 151 | "ARRAY_LEN" => $_[5],
|
|---|
| 152 | "VALUE" => $_[7],
|
|---|
| 153 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 154 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 155 | }}
|
|---|
| 156 | ;
|
|---|
| 157 |
|
|---|
| 158 | function:
|
|---|
| 159 | property_list type identifier '(' element_list2 ')' ';'
|
|---|
| 160 | {{
|
|---|
| 161 | "TYPE" => "FUNCTION",
|
|---|
| 162 | "NAME" => $_[3],
|
|---|
| 163 | "RETURN_TYPE" => $_[2],
|
|---|
| 164 | "PROPERTIES" => $_[1],
|
|---|
| 165 | "ELEMENTS" => $_[5],
|
|---|
| 166 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 167 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 168 | }}
|
|---|
| 169 | ;
|
|---|
| 170 |
|
|---|
| 171 | typedef:
|
|---|
| 172 | property_list 'typedef' type identifier array_len ';'
|
|---|
| 173 | {{
|
|---|
| 174 | "TYPE" => "TYPEDEF",
|
|---|
| 175 | "PROPERTIES" => $_[1],
|
|---|
| 176 | "NAME" => $_[4],
|
|---|
| 177 | "DATA" => $_[3],
|
|---|
| 178 | "ARRAY_LEN" => $_[5],
|
|---|
| 179 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 180 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 181 | }}
|
|---|
| 182 | ;
|
|---|
| 183 |
|
|---|
| 184 | usertype:
|
|---|
| 185 | struct
|
|---|
| 186 | |
|
|---|
| 187 | union
|
|---|
| 188 | |
|
|---|
| 189 | enum
|
|---|
| 190 | |
|
|---|
| 191 | bitmap
|
|---|
| 192 | |
|
|---|
| 193 | pipe
|
|---|
| 194 | ;
|
|---|
| 195 |
|
|---|
| 196 | typedecl:
|
|---|
| 197 | usertype ';' { $_[1] }
|
|---|
| 198 | ;
|
|---|
| 199 |
|
|---|
| 200 | sign:
|
|---|
| 201 | 'signed'
|
|---|
| 202 | |
|
|---|
| 203 | 'unsigned'
|
|---|
| 204 | ;
|
|---|
| 205 |
|
|---|
| 206 | existingtype:
|
|---|
| 207 | sign identifier { ($_[1]?$_[1]:"signed") ." $_[2]" }
|
|---|
| 208 | |
|
|---|
| 209 | identifier
|
|---|
| 210 | ;
|
|---|
| 211 |
|
|---|
| 212 | type:
|
|---|
| 213 | usertype
|
|---|
| 214 | |
|
|---|
| 215 | existingtype
|
|---|
| 216 | |
|
|---|
| 217 | void { "void" }
|
|---|
| 218 | ;
|
|---|
| 219 |
|
|---|
| 220 | enum_body:
|
|---|
| 221 | '{' enum_elements '}' { $_[2] }
|
|---|
| 222 | ;
|
|---|
| 223 |
|
|---|
| 224 | opt_enum_body:
|
|---|
| 225 | #empty
|
|---|
| 226 | |
|
|---|
| 227 | enum_body
|
|---|
| 228 | ;
|
|---|
| 229 |
|
|---|
| 230 | enum:
|
|---|
| 231 | property_list 'enum' optional_identifier opt_enum_body
|
|---|
| 232 | {{
|
|---|
| 233 | "TYPE" => "ENUM",
|
|---|
| 234 | "PROPERTIES" => $_[1],
|
|---|
| 235 | "NAME" => $_[3],
|
|---|
| 236 | "ELEMENTS" => $_[4],
|
|---|
| 237 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 238 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 239 | }}
|
|---|
| 240 | ;
|
|---|
| 241 |
|
|---|
| 242 | enum_elements:
|
|---|
| 243 | enum_element { [ $_[1] ] }
|
|---|
| 244 | |
|
|---|
| 245 | enum_elements ',' enum_element { push(@{$_[1]}, $_[3]); $_[1] }
|
|---|
| 246 | ;
|
|---|
| 247 |
|
|---|
| 248 | enum_element:
|
|---|
| 249 | identifier
|
|---|
| 250 | |
|
|---|
| 251 | identifier '=' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 252 | ;
|
|---|
| 253 |
|
|---|
| 254 | bitmap_body:
|
|---|
| 255 | '{' opt_bitmap_elements '}' { $_[2] }
|
|---|
| 256 | ;
|
|---|
| 257 |
|
|---|
| 258 | opt_bitmap_body:
|
|---|
| 259 | #empty
|
|---|
| 260 | |
|
|---|
| 261 | bitmap_body
|
|---|
| 262 | ;
|
|---|
| 263 |
|
|---|
| 264 | bitmap:
|
|---|
| 265 | property_list 'bitmap' optional_identifier opt_bitmap_body
|
|---|
| 266 | {{
|
|---|
| 267 | "TYPE" => "BITMAP",
|
|---|
| 268 | "PROPERTIES" => $_[1],
|
|---|
| 269 | "NAME" => $_[3],
|
|---|
| 270 | "ELEMENTS" => $_[4],
|
|---|
| 271 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 272 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 273 | }}
|
|---|
| 274 | ;
|
|---|
| 275 |
|
|---|
| 276 | bitmap_elements:
|
|---|
| 277 | bitmap_element { [ $_[1] ] }
|
|---|
| 278 | |
|
|---|
| 279 | bitmap_elements ',' bitmap_element { push(@{$_[1]}, $_[3]); $_[1] }
|
|---|
| 280 | ;
|
|---|
| 281 |
|
|---|
| 282 | opt_bitmap_elements:
|
|---|
| 283 | #empty
|
|---|
| 284 | |
|
|---|
| 285 | bitmap_elements
|
|---|
| 286 | ;
|
|---|
| 287 |
|
|---|
| 288 | bitmap_element:
|
|---|
| 289 | identifier '=' anytext { "$_[1] ( $_[3] )" }
|
|---|
| 290 | ;
|
|---|
| 291 |
|
|---|
| 292 | struct_body:
|
|---|
| 293 | '{' element_list1 '}' { $_[2] }
|
|---|
| 294 | ;
|
|---|
| 295 |
|
|---|
| 296 | opt_struct_body:
|
|---|
| 297 | #empty
|
|---|
| 298 | |
|
|---|
| 299 | struct_body
|
|---|
| 300 | ;
|
|---|
| 301 |
|
|---|
| 302 | struct:
|
|---|
| 303 | property_list 'struct' optional_identifier opt_struct_body
|
|---|
| 304 | {{
|
|---|
| 305 | "TYPE" => "STRUCT",
|
|---|
| 306 | "PROPERTIES" => $_[1],
|
|---|
| 307 | "NAME" => $_[3],
|
|---|
| 308 | "ELEMENTS" => $_[4],
|
|---|
| 309 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 310 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 311 | }}
|
|---|
| 312 | ;
|
|---|
| 313 |
|
|---|
| 314 | empty_element:
|
|---|
| 315 | property_list ';'
|
|---|
| 316 | {{
|
|---|
| 317 | "NAME" => "",
|
|---|
| 318 | "TYPE" => "EMPTY",
|
|---|
| 319 | "PROPERTIES" => $_[1],
|
|---|
| 320 | "POINTERS" => 0,
|
|---|
| 321 | "ARRAY_LEN" => [],
|
|---|
| 322 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 323 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 324 | }}
|
|---|
| 325 | ;
|
|---|
| 326 |
|
|---|
| 327 | base_or_empty:
|
|---|
| 328 | base_element ';'
|
|---|
| 329 | |
|
|---|
| 330 | empty_element;
|
|---|
| 331 |
|
|---|
| 332 | optional_base_element:
|
|---|
| 333 | property_list base_or_empty { $_[2]->{PROPERTIES} = FlattenHash([$_[1],$_[2]->{PROPERTIES}]); $_[2] }
|
|---|
| 334 | ;
|
|---|
| 335 |
|
|---|
| 336 | union_elements:
|
|---|
| 337 | #empty
|
|---|
| 338 | |
|
|---|
| 339 | union_elements optional_base_element { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 340 | ;
|
|---|
| 341 |
|
|---|
| 342 | union_body:
|
|---|
| 343 | '{' union_elements '}' { $_[2] }
|
|---|
| 344 | ;
|
|---|
| 345 |
|
|---|
| 346 | opt_union_body:
|
|---|
| 347 | #empty
|
|---|
| 348 | |
|
|---|
| 349 | union_body
|
|---|
| 350 | ;
|
|---|
| 351 |
|
|---|
| 352 | union:
|
|---|
| 353 | property_list 'union' optional_identifier opt_union_body
|
|---|
| 354 | {{
|
|---|
| 355 | "TYPE" => "UNION",
|
|---|
| 356 | "PROPERTIES" => $_[1],
|
|---|
| 357 | "NAME" => $_[3],
|
|---|
| 358 | "ELEMENTS" => $_[4],
|
|---|
| 359 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 360 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 361 | }}
|
|---|
| 362 | ;
|
|---|
| 363 |
|
|---|
| 364 | base_element:
|
|---|
| 365 | property_list type pointers identifier array_len
|
|---|
| 366 | {{
|
|---|
| 367 | "NAME" => $_[4],
|
|---|
| 368 | "TYPE" => $_[2],
|
|---|
| 369 | "PROPERTIES" => $_[1],
|
|---|
| 370 | "POINTERS" => $_[3],
|
|---|
| 371 | "ARRAY_LEN" => $_[5],
|
|---|
| 372 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 373 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 374 | }}
|
|---|
| 375 | ;
|
|---|
| 376 |
|
|---|
| 377 | pointers:
|
|---|
| 378 | #empty
|
|---|
| 379 | { 0 }
|
|---|
| 380 | |
|
|---|
| 381 | pointers '*' { $_[1]+1 }
|
|---|
| 382 | ;
|
|---|
| 383 |
|
|---|
| 384 | pipe:
|
|---|
| 385 | property_list 'pipe' type
|
|---|
| 386 | {{
|
|---|
| 387 | "TYPE" => "PIPE",
|
|---|
| 388 | "PROPERTIES" => $_[1],
|
|---|
| 389 | "DATA" => $_[3],
|
|---|
| 390 | "FILE" => $_[0]->YYData->{FILE},
|
|---|
| 391 | "LINE" => $_[0]->YYData->{LINE},
|
|---|
| 392 | }}
|
|---|
| 393 | ;
|
|---|
| 394 |
|
|---|
| 395 | element_list1:
|
|---|
| 396 | #empty
|
|---|
| 397 | { [] }
|
|---|
| 398 | |
|
|---|
| 399 | element_list1 base_element ';' { push(@{$_[1]}, $_[2]); $_[1] }
|
|---|
| 400 | ;
|
|---|
| 401 |
|
|---|
| 402 | optional_const:
|
|---|
| 403 | #empty
|
|---|
| 404 | |
|
|---|
| 405 | 'const'
|
|---|
| 406 | ;
|
|---|
| 407 |
|
|---|
| 408 | element_list2:
|
|---|
| 409 | #empty
|
|---|
| 410 | |
|
|---|
| 411 | 'void'
|
|---|
| 412 | |
|
|---|
| 413 | optional_const base_element { [ $_[2] ] }
|
|---|
| 414 | |
|
|---|
| 415 | element_list2 ',' optional_const base_element { push(@{$_[1]}, $_[4]); $_[1] }
|
|---|
| 416 | ;
|
|---|
| 417 |
|
|---|
| 418 | array_len:
|
|---|
| 419 | #empty { [] }
|
|---|
| 420 | |
|
|---|
| 421 | '[' ']' array_len { push(@{$_[3]}, "*"); $_[3] }
|
|---|
| 422 | |
|
|---|
| 423 | '[' anytext ']' array_len { push(@{$_[4]}, "$_[2]"); $_[4] }
|
|---|
| 424 | ;
|
|---|
| 425 |
|
|---|
| 426 | property_list:
|
|---|
| 427 | #empty
|
|---|
| 428 | |
|
|---|
| 429 | property_list '[' properties ']' { FlattenHash([$_[1],$_[3]]); }
|
|---|
| 430 | ;
|
|---|
| 431 |
|
|---|
| 432 | properties:
|
|---|
| 433 | property { $_[1] }
|
|---|
| 434 | |
|
|---|
| 435 | properties ',' property { FlattenHash([$_[1], $_[3]]); }
|
|---|
| 436 | ;
|
|---|
| 437 |
|
|---|
| 438 | property:
|
|---|
| 439 | identifier {{ "$_[1]" => "1" }}
|
|---|
| 440 | |
|
|---|
| 441 | identifier '(' commalisttext ')' {{ "$_[1]" => "$_[3]" }}
|
|---|
| 442 | ;
|
|---|
| 443 |
|
|---|
| 444 | commalisttext:
|
|---|
| 445 | anytext
|
|---|
| 446 | |
|
|---|
| 447 | commalisttext ',' anytext { "$_[1],$_[3]" }
|
|---|
| 448 | ;
|
|---|
| 449 |
|
|---|
| 450 | anytext:
|
|---|
| 451 | #empty
|
|---|
| 452 | { "" }
|
|---|
| 453 | |
|
|---|
| 454 | identifier
|
|---|
| 455 | |
|
|---|
| 456 | constant
|
|---|
| 457 | |
|
|---|
| 458 | text
|
|---|
| 459 | |
|
|---|
| 460 | anytext '-' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 461 | |
|
|---|
| 462 | anytext '.' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 463 | |
|
|---|
| 464 | anytext '*' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 465 | |
|
|---|
| 466 | anytext '>' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 467 | |
|
|---|
| 468 | anytext '<' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 469 | |
|
|---|
| 470 | anytext '|' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 471 | |
|
|---|
| 472 | anytext '&' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 473 | |
|
|---|
| 474 | anytext '/' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 475 | |
|
|---|
| 476 | anytext '?' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 477 | |
|
|---|
| 478 | anytext ':' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 479 | |
|
|---|
| 480 | anytext '=' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 481 | |
|
|---|
| 482 | anytext '+' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 483 | |
|
|---|
| 484 | anytext '~' anytext { "$_[1]$_[2]$_[3]" }
|
|---|
| 485 | |
|
|---|
| 486 | anytext '(' commalisttext ')' anytext { "$_[1]$_[2]$_[3]$_[4]$_[5]" }
|
|---|
| 487 | |
|
|---|
| 488 | anytext '{' commalisttext '}' anytext { "$_[1]$_[2]$_[3]$_[4]$_[5]" }
|
|---|
| 489 | ;
|
|---|
| 490 |
|
|---|
| 491 | identifier:
|
|---|
| 492 | IDENTIFIER
|
|---|
| 493 | ;
|
|---|
| 494 |
|
|---|
| 495 | optional_identifier:
|
|---|
| 496 | #empty { undef }
|
|---|
| 497 | |
|
|---|
| 498 | IDENTIFIER
|
|---|
| 499 | ;
|
|---|
| 500 |
|
|---|
| 501 | constant:
|
|---|
| 502 | CONSTANT
|
|---|
| 503 | ;
|
|---|
| 504 |
|
|---|
| 505 | text:
|
|---|
| 506 | TEXT { "\"$_[1]\"" }
|
|---|
| 507 | ;
|
|---|
| 508 |
|
|---|
| 509 | optional_semicolon:
|
|---|
| 510 | #empty
|
|---|
| 511 | |
|
|---|
| 512 | ';'
|
|---|
| 513 | ;
|
|---|
| 514 |
|
|---|
| 515 |
|
|---|
| 516 | #####################################
|
|---|
| 517 | # start code
|
|---|
| 518 | %%
|
|---|
| 519 |
|
|---|
| 520 | use Parse::Pidl qw(error);
|
|---|
| 521 |
|
|---|
| 522 | #####################################################################
|
|---|
| 523 | # flatten an array of hashes into a single hash
|
|---|
| 524 | sub FlattenHash($)
|
|---|
| 525 | {
|
|---|
| 526 | my $a = shift;
|
|---|
| 527 | my %b;
|
|---|
| 528 | for my $d (@{$a}) {
|
|---|
| 529 | for my $k (keys %{$d}) {
|
|---|
| 530 | $b{$k} = $d->{$k};
|
|---|
| 531 | }
|
|---|
| 532 | }
|
|---|
| 533 | return \%b;
|
|---|
| 534 | }
|
|---|
| 535 |
|
|---|
| 536 | #####################################################################
|
|---|
| 537 | # traverse a perl data structure removing any empty arrays or
|
|---|
| 538 | # hashes and any hash elements that map to undef
|
|---|
| 539 | sub CleanData($)
|
|---|
| 540 | {
|
|---|
| 541 | sub CleanData($);
|
|---|
| 542 | my($v) = shift;
|
|---|
| 543 |
|
|---|
| 544 | return undef if (not defined($v));
|
|---|
| 545 |
|
|---|
| 546 | if (ref($v) eq "ARRAY") {
|
|---|
| 547 | foreach my $i (0 .. $#{$v}) {
|
|---|
| 548 | CleanData($v->[$i]);
|
|---|
| 549 | }
|
|---|
| 550 | # this removes any undefined elements from the array
|
|---|
| 551 | @{$v} = grep { defined $_ } @{$v};
|
|---|
| 552 | } elsif (ref($v) eq "HASH") {
|
|---|
| 553 | foreach my $x (keys %{$v}) {
|
|---|
| 554 | CleanData($v->{$x});
|
|---|
| 555 | if (!defined $v->{$x}) {
|
|---|
| 556 | delete($v->{$x});
|
|---|
| 557 | next;
|
|---|
| 558 | }
|
|---|
| 559 | }
|
|---|
| 560 | }
|
|---|
| 561 |
|
|---|
| 562 | return $v;
|
|---|
| 563 | }
|
|---|
| 564 |
|
|---|
| 565 | sub _Error {
|
|---|
| 566 | if (exists $_[0]->YYData->{ERRMSG}) {
|
|---|
| 567 | error($_[0]->YYData, $_[0]->YYData->{ERRMSG});
|
|---|
| 568 | delete $_[0]->YYData->{ERRMSG};
|
|---|
| 569 | return;
|
|---|
| 570 | }
|
|---|
| 571 |
|
|---|
| 572 | my $last_token = $_[0]->YYData->{LAST_TOKEN};
|
|---|
| 573 |
|
|---|
| 574 | error($_[0]->YYData, "Syntax error near '$last_token'");
|
|---|
| 575 | }
|
|---|
| 576 |
|
|---|
| 577 | sub _Lexer($)
|
|---|
| 578 | {
|
|---|
| 579 | my($parser)=shift;
|
|---|
| 580 |
|
|---|
| 581 | $parser->YYData->{INPUT} or return('',undef);
|
|---|
| 582 |
|
|---|
| 583 | again:
|
|---|
| 584 | $parser->YYData->{INPUT} =~ s/^[ \t]*//;
|
|---|
| 585 |
|
|---|
| 586 | for ($parser->YYData->{INPUT}) {
|
|---|
| 587 | if (/^\#/) {
|
|---|
| 588 | if (s/^\# (\d+) \"(.*?)\"( \d+|)//) {
|
|---|
| 589 | $parser->YYData->{LINE} = $1-1;
|
|---|
| 590 | $parser->YYData->{FILE} = $2;
|
|---|
| 591 | goto again;
|
|---|
| 592 | }
|
|---|
| 593 | if (s/^\#line (\d+) \"(.*?)\"( \d+|)//) {
|
|---|
| 594 | $parser->YYData->{LINE} = $1-1;
|
|---|
| 595 | $parser->YYData->{FILE} = $2;
|
|---|
| 596 | goto again;
|
|---|
| 597 | }
|
|---|
| 598 | if (s/^(\#.*)$//m) {
|
|---|
| 599 | goto again;
|
|---|
| 600 | }
|
|---|
| 601 | }
|
|---|
| 602 | if (s/^(\n)//) {
|
|---|
| 603 | $parser->YYData->{LINE}++;
|
|---|
| 604 | goto again;
|
|---|
| 605 | }
|
|---|
| 606 | if (s/^\"(.*?)\"//) {
|
|---|
| 607 | $parser->YYData->{LAST_TOKEN} = $1;
|
|---|
| 608 | return('TEXT',$1);
|
|---|
| 609 | }
|
|---|
| 610 | if (s/^(\d+)(\W|$)/$2/) {
|
|---|
| 611 | $parser->YYData->{LAST_TOKEN} = $1;
|
|---|
| 612 | return('CONSTANT',$1);
|
|---|
| 613 | }
|
|---|
| 614 | if (s/^([\w_]+)//) {
|
|---|
| 615 | $parser->YYData->{LAST_TOKEN} = $1;
|
|---|
| 616 | if ($1 =~
|
|---|
| 617 | /^(coclass|interface|import|importlib
|
|---|
| 618 | |include|cpp_quote|typedef
|
|---|
| 619 | |union|struct|enum|bitmap|pipe
|
|---|
| 620 | |void|const|unsigned|signed)$/x) {
|
|---|
| 621 | return $1;
|
|---|
| 622 | }
|
|---|
| 623 | return('IDENTIFIER',$1);
|
|---|
| 624 | }
|
|---|
| 625 | if (s/^(.)//s) {
|
|---|
| 626 | $parser->YYData->{LAST_TOKEN} = $1;
|
|---|
| 627 | return($1,$1);
|
|---|
| 628 | }
|
|---|
| 629 | }
|
|---|
| 630 | }
|
|---|
| 631 |
|
|---|
| 632 | sub parse_string
|
|---|
| 633 | {
|
|---|
| 634 | my ($data,$filename) = @_;
|
|---|
| 635 |
|
|---|
| 636 | my $self = new Parse::Pidl::IDL;
|
|---|
| 637 |
|
|---|
| 638 | $self->YYData->{FILE} = $filename;
|
|---|
| 639 | $self->YYData->{INPUT} = $data;
|
|---|
| 640 | $self->YYData->{LINE} = 0;
|
|---|
| 641 | $self->YYData->{LAST_TOKEN} = "NONE";
|
|---|
| 642 |
|
|---|
| 643 | my $idl = $self->YYParse( yylex => \&_Lexer, yyerror => \&_Error );
|
|---|
| 644 |
|
|---|
| 645 | return CleanData($idl);
|
|---|
| 646 | }
|
|---|
| 647 |
|
|---|
| 648 | sub parse_file($$)
|
|---|
| 649 | {
|
|---|
| 650 | my ($filename,$incdirs) = @_;
|
|---|
| 651 |
|
|---|
| 652 | my $saved_delim = $/;
|
|---|
| 653 | undef $/;
|
|---|
| 654 | my $cpp = $ENV{CPP};
|
|---|
| 655 | if (! defined $cpp) {
|
|---|
| 656 | $cpp = "cpp";
|
|---|
| 657 | }
|
|---|
| 658 | my $includes = join('',map { " -I$_" } @$incdirs);
|
|---|
| 659 | my $data = `$cpp -D__PIDL__$includes -xc $filename`;
|
|---|
| 660 | $/ = $saved_delim;
|
|---|
| 661 |
|
|---|
| 662 | return parse_string($data, $filename);
|
|---|
| 663 | }
|
|---|
