| Line No. | Rev | Author | Line |
|---|---|---|---|
| 1 | 1 | paulosilva | |
| 2 | {-# LANGUAGE FlexibleContexts #-} | ||
| 3 | {-# OPTIONS_GHC -Wall #-} | ||
| 4 | |||
| 5 | ------------------------------------------------------------------------------- | ||
| 6 | |||
| 7 | {- | | ||
| 8 | Module : Language.R.Parser | ||
| 9 | Description : Parser of the expression representation. | ||
| 10 | Copyright : (c) Paulo Silva | ||
| 11 | License : LGPL | ||
| 12 | |||
| 13 | Maintainer : paufil@di.uminho.pt | ||
| 14 | Stability : experimental | ||
| 15 | Portability : portable | ||
| 16 | |||
| 17 | -} | ||
| 18 | |||
| 19 | ------------------------------------------------------------------------------- | ||
| 20 | |||
| 21 | module Language.R.Parser ( | ||
| 22 | parser, | ||
| 23 | parseR, | ||
| 24 | parseGDef, | ||
| 25 | parseDEF | ||
| 26 | ) where | ||
| 27 | |||
| 28 | import Control.GalcError | ||
| 29 | import Control.Monad.Error | ||
| 30 | import Language.R.SyntaxADT | ||
| 31 | import qualified Language.Type.Parser as T | ||
| 32 | import Text.ParserCombinators.Parsec | ||
| 33 | import Text.ParserCombinators.Parsec.Language | ||
| 34 | import qualified Text.ParserCombinators.Parsec.Token as P | ||
| 35 | |||
| 36 | ------------------------------------------------------------------------------- | ||
| 37 | |||
| 38 | type RParser = Parser S | ||
| 39 | |||
| 40 | ------------------------------------------------------------------------------- | ||
| 41 | |||
| 42 | reservNames :: [String] | ||
| 43 | reservNames = [ | ||
| 44 | "BOT", "TOP", "NEG", "MEET", "JOIN", "ID", "CONV", "COMP", "SPLIT", | ||
| 45 | "ORD", "FUN", "LEFTSEC", "RIGHTSEC", "APPLY", "DEF", "Var", | ||
| 46 | "PROD", "EITHER", "MAYBE", "LIST", "SET", "MAP", "FId", "FComp", | ||
| 47 | "OId", "OComp", "OConv", "OProd", "OJoin", "OMeet", "OMax", "OMin", | ||
| 48 | "GDef", "GId", "GComp", "GConv", "GLAdj", "GUAdj", "GLOrd", "GUOrd" | ||
| 49 | ] | ||
| 50 | |||
| 51 | ------------------------------------------------------------------------------- | ||
| 52 | |||
| 53 | lexer :: P.TokenParser st | ||
| 54 | lexer = P.makeTokenParser $ emptyDef { P.reservedNames = reservNames } | ||
| 55 | |||
| 56 | ------------------------------------------------------------------------------- | ||
| 57 | |||
| 58 | reserved :: String -> CharParser st () | ||
| 59 | reserved = P.reserved lexer | ||
| 60 | |||
| 61 | whiteSpace :: CharParser st () | ||
| 62 | whiteSpace = P.whiteSpace lexer | ||
| 63 | |||
| 64 | parens :: CharParser st S -> CharParser st S | ||
| 65 | parens = P.parens lexer | ||
| 66 | |||
| 67 | identifier :: CharParser st String | ||
| 68 | identifier = P.identifier lexer | ||
| 69 | |||
| 70 | ------------------------------------------------------------------------------- | ||
| 71 | |||
| 72 | parser :: MonadError GalcError m => String -> m S | ||
| 73 | parser = either2error (ParsingError . show) . parse mainRParser "" | ||
| 74 | |||
| 75 | ------------------------------------------------------------------------------- | ||
| 76 | |||
| 77 | mainRParser :: RParser | ||
| 78 | mainRParser = do | ||
| 79 | whiteSpace | ||
| 80 | r <- parseR | ||
| 81 | eof | ||
| 82 | return r | ||
| 83 | |||
| 84 | ------------------------------------------------------------------------------- | ||
| 85 | |||
| 86 | parseR :: RParser | ||
| 87 | parseR = | ||
| 88 | parens parseR <|> | ||
| 89 | parseREF <|> | ||
| 90 | parseBOT <|> | ||
| 91 | parseTOP <|> | ||
| 92 | parseNEG <|> | ||
| 93 | parseMEET <|> | ||
| 94 | parseJOIN <|> | ||
| 95 | parseID <|> | ||
| 96 | parseCONV <|> | ||
| 97 | parseCOMP <|> | ||
| 98 | parseSPLIT <|> | ||
| 99 | parseORD <|> | ||
| 100 | parseFUN <|> | ||
| 101 | parseLEFTSEC <|> | ||
| 102 | parseRIGHTSEC <|> | ||
| 103 | parseAPPLY <|> | ||
| 104 | parseDEF <|> | ||
| 105 | parseVar <|> | ||
| 106 | parsePROD <|> | ||
| 107 | parseEITHER <|> | ||
| 108 | parseMAYBE <|> | ||
| 109 | parseLIST <|> | ||
| 110 | parseSET <|> | ||
| 111 | parseMAP <|> | ||
| 112 | 5 | paulosilva | parseREYNOLDS <|> |
| 113 | 1 | paulosilva | parseFId <|> |
| 114 | parseFComp <|> | ||
| 115 | parseOId <|> | ||
| 116 | parseOComp <|> | ||
| 117 | parseOConv <|> | ||
| 118 | parseOProd <|> | ||
| 119 | parseOJoin <|> | ||
| 120 | parseOMeet <|> | ||
| 121 | parseOMax <|> | ||
| 122 | parseOMin <|> | ||
| 123 | parseGDef <|> | ||
| 124 | parseGId <|> | ||
| 125 | parseGComp <|> | ||
| 126 | parseGConv <|> | ||
| 127 | parseGLAdj <|> | ||
| 128 | parseGUAdj <|> | ||
| 129 | parseGLOrd <|> | ||
| 130 | parseGUOrd | ||
| 131 | |||
| 132 | ------------------------------------------------------------------------------- | ||
| 133 | |||
| 134 | parseREF :: RParser | ||
| 135 | parseREF = do | ||
| 136 | p <- getPosition | ||
| 137 | reserved "REF" | ||
| 138 | ident <- identifier | ||
| 139 | return $ RefS p ident | ||
| 140 | |||
| 141 | ------------------------------------------------------------------------------- | ||
| 142 | |||
| 143 | parseBOT :: RParser | ||
| 144 | parseBOT = do | ||
| 145 | p <- getPosition | ||
| 146 | reserved "BOT" | ||
| 147 | return $ BotS p | ||
| 148 | |||
| 149 | ------------------------------------------------------------------------------- | ||
| 150 | |||
| 151 | parseTOP :: RParser | ||
| 152 | parseTOP = do | ||
| 153 | p <- getPosition | ||
| 154 | reserved "TOP" | ||
| 155 | return $ TopS p | ||
| 156 | |||
| 157 | ------------------------------------------------------------------------------- | ||
| 158 | |||
| 159 | parseNEG :: RParser | ||
| 160 | parseNEG = do | ||
| 161 | p <- getPosition | ||
| 162 | reserved "NEG" | ||
| 163 | r <- parseR | ||
| 164 | return $ NegS p r | ||
| 165 | |||
| 166 | ------------------------------------------------------------------------------- | ||
| 167 | |||
| 168 | parseMEET :: RParser | ||
| 169 | parseMEET = do | ||
| 170 | p <- getPosition | ||
| 171 | reserved "MEET" | ||
| 172 | r1 <- parseR | ||
| 173 | r2 <- parseR | ||
| 174 | return $ MeetS p r1 r2 | ||
| 175 | |||
| 176 | ------------------------------------------------------------------------------- | ||
| 177 | |||
| 178 | parseJOIN :: RParser | ||
| 179 | parseJOIN = do | ||
| 180 | p <- getPosition | ||
| 181 | reserved "JOIN" | ||
| 182 | r1 <- parseR | ||
| 183 | r2 <- parseR | ||
| 184 | return $ JoinS p r1 r2 | ||
| 185 | |||
| 186 | ------------------------------------------------------------------------------- | ||
| 187 | |||
| 188 | parseID :: RParser | ||
| 189 | parseID = do | ||
| 190 | p <- getPosition | ||
| 191 | reserved "ID" | ||
| 192 | return $ IdS p | ||
| 193 | |||
| 194 | ------------------------------------------------------------------------------- | ||
| 195 | |||
| 196 | parseCONV :: RParser | ||
| 197 | parseCONV = do | ||
| 198 | p <- getPosition | ||
| 199 | reserved "CONV" | ||
| 200 | r <- parseR | ||
| 201 | return $ ConvS p r | ||
| 202 | |||
| 203 | ------------------------------------------------------------------------------- | ||
| 204 | |||
| 205 | parseCOMP :: RParser | ||
| 206 | parseCOMP = do | ||
| 207 | p <- getPosition | ||
| 208 | reserved "COMP" | ||
| 209 | r1 <- parseR | ||
| 210 | r2 <- parseR | ||
| 211 | return $ CompS p r1 r2 | ||
| 212 | |||
| 213 | ------------------------------------------------------------------------------- | ||
| 214 | |||
| 215 | parseSPLIT :: RParser | ||
| 216 | parseSPLIT = do | ||
| 217 | p <- getPosition | ||
| 218 | reserved "SPLIT" | ||
| 219 | r1 <- parseR | ||
| 220 | r2 <- parseR | ||
| 221 | return $ SplitS p r1 r2 | ||
| 222 | |||
| 223 | ------------------------------------------------------------------------------- | ||
| 224 | |||
| 225 | parseORD :: RParser | ||
| 226 | parseORD = do | ||
| 227 | p <- getPosition | ||
| 228 | reserved "ORD" | ||
| 229 | r <- parseR | ||
| 230 | return $ OrdS p r | ||
| 231 | |||
| 232 | ------------------------------------------------------------------------------- | ||
| 233 | |||
| 234 | parseFUN :: RParser | ||
| 235 | parseFUN = do | ||
| 236 | p <- getPosition | ||
| 237 | reserved "FUN" | ||
| 238 | r <- parseR | ||
| 239 | return $ FunS p r | ||
| 240 | |||
| 241 | ------------------------------------------------------------------------------- | ||
| 242 | |||
| 243 | parseLEFTSEC :: RParser | ||
| 244 | parseLEFTSEC = do | ||
| 245 | p <- getPosition | ||
| 246 | reserved "LEFTSEC" | ||
| 247 | r1 <- parseR | ||
| 248 | r2 <- parseR | ||
| 249 | return $ LeftsecS p r1 r2 | ||
| 250 | |||
| 251 | ------------------------------------------------------------------------------- | ||
| 252 | |||
| 253 | parseRIGHTSEC :: RParser | ||
| 254 | parseRIGHTSEC = do | ||
| 255 | p <- getPosition | ||
| 256 | reserved "RIGHTSEC" | ||
| 257 | r1 <- parseR | ||
| 258 | r2 <- parseR | ||
| 259 | return $ RightsecS p r1 r2 | ||
| 260 | |||
| 261 | ------------------------------------------------------------------------------- | ||
| 262 | |||
| 263 | parseAPPLY :: RParser | ||
| 264 | parseAPPLY = do | ||
| 265 | p <- getPosition | ||
| 266 | reserved "APPLY" | ||
| 267 | r1 <- parseR | ||
| 268 | r2 <- parseR | ||
| 269 | return $ ApplyS p r1 r2 | ||
| 270 | |||
| 271 | ------------------------------------------------------------------------------- | ||
| 272 | |||
| 273 | parseDEF :: RParser | ||
| 274 | parseDEF = do | ||
| 275 | p <- getPosition | ||
| 276 | reserved "DEF" | ||
| 277 | n <- identifier | ||
| 278 | t <- T.parseType | ||
| 279 | return $ DefS p n t | ||
| 280 | |||
| 281 | ------------------------------------------------------------------------------- | ||
| 282 | |||
| 283 | parseVar :: RParser | ||
| 284 | parseVar = do | ||
| 285 | p <- getPosition | ||
| 286 | reserved "Var" | ||
| 287 | n <- identifier | ||
| 288 | return $ VarS p n | ||
| 289 | |||
| 290 | ------------------------------------------------------------------------------- | ||
| 291 | |||
| 292 | parsePROD :: RParser | ||
| 293 | parsePROD = do | ||
| 294 | p <- getPosition | ||
| 295 | reserved "PROD" | ||
| 296 | r1 <- parseR | ||
| 297 | r2 <- parseR | ||
| 298 | return $ ProdS p r1 r2 | ||
| 299 | |||
| 300 | ------------------------------------------------------------------------------- | ||
| 301 | |||
| 302 | parseEITHER :: RParser | ||
| 303 | parseEITHER = do | ||
| 304 | p <- getPosition | ||
| 305 | reserved "EITHER" | ||
| 306 | r1 <- parseR | ||
| 307 | r2 <- parseR | ||
| 308 | return $ EitherS p r1 r2 | ||
| 309 | |||
| 310 | ------------------------------------------------------------------------------- | ||
| 311 | |||
| 312 | parseMAYBE :: RParser | ||
| 313 | parseMAYBE = do | ||
| 314 | p <- getPosition | ||
| 315 | reserved "MAYBE" | ||
| 316 | r <- parseR | ||
| 317 | return $ MaybeS p r | ||
| 318 | |||
| 319 | ------------------------------------------------------------------------------- | ||
| 320 | |||
| 321 | parseLIST :: RParser | ||
| 322 | parseLIST = do | ||
| 323 | p <- getPosition | ||
| 324 | reserved "LIST" | ||
| 325 | r <- parseR | ||
| 326 | return $ ListS p r | ||
| 327 | |||
| 328 | ------------------------------------------------------------------------------- | ||
| 329 | |||
| 330 | parseSET :: RParser | ||
| 331 | parseSET = do | ||
| 332 | p <- getPosition | ||
| 333 | reserved "SET" | ||
| 334 | r <- parseR | ||
| 335 | return $ SetS p r | ||
| 336 | |||
| 337 | ------------------------------------------------------------------------------- | ||
| 338 | |||
| 339 | parseMAP :: RParser | ||
| 340 | parseMAP = do | ||
| 341 | p <- getPosition | ||
| 342 | reserved "MAP" | ||
| 343 | r <- parseR | ||
| 344 | return $ MapS p r | ||
| 345 | |||
| 346 | ------------------------------------------------------------------------------- | ||
| 347 | |||
| 348 | 5 | paulosilva | parseREYNOLDS :: RParser |
| 349 | parseREYNOLDS = do | ||
| 350 | p <- getPosition | ||
| 351 | reserved "REYNOLDS" | ||
| 352 | r1 <- parseR | ||
| 353 | r2 <- parseR | ||
| 354 | return $ ReynoldsS p r1 r2 | ||
| 355 | |||
| 356 | ------------------------------------------------------------------------------- | ||
| 357 | |||
| 358 | 1 | paulosilva | parseFId :: RParser |
| 359 | parseFId = do | ||
| 360 | p <- getPosition | ||
| 361 | reserved "FId" | ||
| 362 | return $ FIdS p | ||
| 363 | |||
| 364 | ------------------------------------------------------------------------------- | ||
| 365 | |||
| 366 | parseFComp :: RParser | ||
| 367 | parseFComp = do | ||
| 368 | p <- getPosition | ||
| 369 | reserved "FComp" | ||
| 370 | r1 <- parseR | ||
| 371 | r2 <- parseR | ||
| 372 | return $ FCompS p r1 r2 | ||
| 373 | |||
| 374 | ------------------------------------------------------------------------------- | ||
| 375 | |||
| 376 | parseOId :: RParser | ||
| 377 | parseOId = do | ||
| 378 | p <- getPosition | ||
| 379 | reserved "OId" | ||
| 380 | return $ OIdS p | ||
| 381 | |||
| 382 | ------------------------------------------------------------------------------- | ||
| 383 | |||
| 384 | parseOComp :: RParser | ||
| 385 | parseOComp = do | ||
| 386 | p <- getPosition | ||
| 387 | reserved "OComp" | ||
| 388 | r1 <- parseR | ||
| 389 | r2 <- parseR | ||
| 390 | return $ OCompS p r1 r2 | ||
| 391 | |||
| 392 | ------------------------------------------------------------------------------- | ||
| 393 | |||
| 394 | parseOConv :: RParser | ||
| 395 | parseOConv = do | ||
| 396 | p <- getPosition | ||
| 397 | reserved "OConv" | ||
| 398 | r <- parseR | ||
| 399 | return $ OConvS p r | ||
| 400 | |||
| 401 | ------------------------------------------------------------------------------- | ||
| 402 | |||
| 403 | parseOProd :: RParser | ||
| 404 | parseOProd = do | ||
| 405 | p <- getPosition | ||
| 406 | reserved "OProd" | ||
| 407 | r <- parseR | ||
| 408 | return $ OProdS p r | ||
| 409 | |||
| 410 | ------------------------------------------------------------------------------- | ||
| 411 | |||
| 412 | parseOJoin :: RParser | ||
| 413 | parseOJoin = do | ||
| 414 | p <- getPosition | ||
| 415 | reserved "OJoin" | ||
| 416 | r <- parseR | ||
| 417 | return $ OJoinS p r | ||
| 418 | |||
| 419 | ------------------------------------------------------------------------------- | ||
| 420 | |||
| 421 | parseOMeet :: RParser | ||
| 422 | parseOMeet = do | ||
| 423 | p <- getPosition | ||
| 424 | reserved "OMeet" | ||
| 425 | r <- parseR | ||
| 426 | return $ OMeetS p r | ||
| 427 | |||
| 428 | ------------------------------------------------------------------------------- | ||
| 429 | |||
| 430 | parseOMax :: RParser | ||
| 431 | parseOMax = do | ||
| 432 | p <- getPosition | ||
| 433 | reserved "OMax" | ||
| 434 | r <- parseR | ||
| 435 | return $ OMaxS p r | ||
| 436 | |||
| 437 | ------------------------------------------------------------------------------- | ||
| 438 | |||
| 439 | parseOMin :: RParser | ||
| 440 | parseOMin = do | ||
| 441 | p <- getPosition | ||
| 442 | reserved "OMin" | ||
| 443 | r <- parseR | ||
| 444 | return $ OMinS p r | ||
| 445 | |||
| 446 | ------------------------------------------------------------------------------- | ||
| 447 | |||
| 448 | parseGDef :: RParser | ||
| 449 | parseGDef = do | ||
| 450 | p <- getPosition | ||
| 451 | reserved "GDef" | ||
| 452 | n <- identifier | ||
| 453 | f1 <- parseR | ||
| 454 | f2 <- parseR | ||
| 455 | o1 <- parseR | ||
| 456 | o2 <- parseR | ||
| 457 | return $ GDefS p n f1 f2 o1 o2 | ||
| 458 | |||
| 459 | ------------------------------------------------------------------------------- | ||
| 460 | |||
| 461 | parseGId :: RParser | ||
| 462 | parseGId = do | ||
| 463 | p <- getPosition | ||
| 464 | reserved "GId" | ||
| 465 | return $ GIdS p | ||
| 466 | |||
| 467 | ------------------------------------------------------------------------------- | ||
| 468 | |||
| 469 | parseGComp :: RParser | ||
| 470 | parseGComp = do | ||
| 471 | p <- getPosition | ||
| 472 | reserved "GComp" | ||
| 473 | r1 <- parseR | ||
| 474 | r2 <- parseR | ||
| 475 | return $ GCompS p r1 r2 | ||
| 476 | |||
| 477 | ------------------------------------------------------------------------------- | ||
| 478 | |||
| 479 | parseGConv :: RParser | ||
| 480 | parseGConv = do | ||
| 481 | p <- getPosition | ||
| 482 | reserved "GConv" | ||
| 483 | r <- parseR | ||
| 484 | return $ GConvS p r | ||
| 485 | |||
| 486 | ------------------------------------------------------------------------------- | ||
| 487 | |||
| 488 | parseGLAdj :: RParser | ||
| 489 | parseGLAdj = do | ||
| 490 | p <- getPosition | ||
| 491 | reserved "GLAdj" | ||
| 492 | r <- parseR | ||
| 493 | return $ GLAdjS p r | ||
| 494 | |||
| 495 | ------------------------------------------------------------------------------- | ||
| 496 | |||
| 497 | parseGUAdj :: RParser | ||
| 498 | parseGUAdj = do | ||
| 499 | p <- getPosition | ||
| 500 | reserved "GUAdj" | ||
| 501 | r <- parseR | ||
| 502 | return $ GUAdjS p r | ||
| 503 | |||
| 504 | ------------------------------------------------------------------------------- | ||
| 505 | |||
| 506 | parseGLOrd :: RParser | ||
| 507 | parseGLOrd = do | ||
| 508 | p <- getPosition | ||
| 509 | reserved "GLOrd" | ||
| 510 | r <- parseR | ||
| 511 | return $ GLOrdS p r | ||
| 512 | |||
| 513 | ------------------------------------------------------------------------------- | ||
| 514 | |||
| 515 | parseGUOrd :: RParser | ||
| 516 | parseGUOrd = do | ||
| 517 | p <- getPosition | ||
| 518 | reserved "GUOrd" | ||
| 519 | r <- parseR | ||
| 520 | return $ GUOrdS p r | ||
| 521 | |||
| 522 | ------------------------------------------------------------------------------- | ||
| 523 |