| Line No. | Rev | Author | Line |
|---|---|---|---|
| 1 | 1 | paulosilva | |
| 2 | {-# OPTIONS_GHC -Wall #-} | ||
| 3 | |||
| 4 | ------------------------------------------------------------------------------- | ||
| 5 | |||
| 6 | {- | | ||
| 7 | Module : Language.R.Pretty | ||
| 8 | Description : Pretty-printer of the expression representatation. | ||
| 9 | Copyright : (c) Paulo Silva | ||
| 10 | License : LGPL | ||
| 11 | |||
| 12 | Maintainer : paufil@di.uminho.pt | ||
| 13 | Stability : experimental | ||
| 14 | Portability : portable | ||
| 15 | |||
| 16 | -} | ||
| 17 | |||
| 18 | ------------------------------------------------------------------------------- | ||
| 19 | |||
| 20 | module Language.R.Pretty ( | ||
| 21 | showR | ||
| 22 | ) where | ||
| 23 | |||
| 24 | import {-# SOURCE #-} Language.R.Syntax | ||
| 25 | import Language.Type.Pretty | ||
| 26 | |||
| 27 | ------------------------------------------------------------------------------- | ||
| 28 | |||
| 29 | showR :: R r -> ShowS | ||
| 30 | 7 | paulosilva | showR = pretty |
| 31 | {- | ||
| 32 | 1 | paulosilva | showR BOT = showString "BOT" |
| 33 | showR TOP = showString "TOP" | ||
| 34 | showR (NEG r) = | ||
| 35 | parens $ | ||
| 36 | showString "NEG " . | ||
| 37 | showR r | ||
| 38 | showR (MEET r s) = | ||
| 39 | parens $ | ||
| 40 | showString "MEET " . | ||
| 41 | showR r . | ||
| 42 | space . | ||
| 43 | showR s | ||
| 44 | showR (JOIN r s) = | ||
| 45 | parens $ | ||
| 46 | showString "JOIN " . | ||
| 47 | showR r . | ||
| 48 | space . | ||
| 49 | showR s | ||
| 50 | showR ID = showString "ID" | ||
| 51 | showR (CONV r) = | ||
| 52 | parens $ | ||
| 53 | showString "CONV " . | ||
| 54 | showR r | ||
| 55 | showR (COMP _ r s) = | ||
| 56 | parens $ | ||
| 57 | showString "COMP " . | ||
| 58 | showR r . | ||
| 59 | space . | ||
| 60 | showR s | ||
| 61 | showR (SPLIT r s) = | ||
| 62 | parens $ | ||
| 63 | showString "SPLIT " . | ||
| 64 | showR r . | ||
| 65 | space . | ||
| 66 | showR s | ||
| 67 | showR (ORD o) = | ||
| 68 | parens $ showString "ORD " . showR o | ||
| 69 | showR (FUN f) = | ||
| 70 | parens $ showString "FUN " . showR f | ||
| 71 | showR (LEFTSEC _ f s) = | ||
| 72 | parens $ | ||
| 73 | showString "LEFTSEC " . | ||
| 74 | showR f . | ||
| 75 | space . | ||
| 76 | showR s | ||
| 77 | showR (RIGHTSEC _ f s) = | ||
| 78 | parens $ | ||
| 79 | showString "RIGHTSEC " . | ||
| 80 | showR f . | ||
| 81 | space . | ||
| 82 | showR s | ||
| 83 | showR (APPLY _ r v) = | ||
| 84 | parens $ | ||
| 85 | showString "APPLY " . | ||
| 86 | showR r . | ||
| 87 | space . | ||
| 88 | showR v | ||
| 89 | showR (DEF nm t) = | ||
| 90 | parens $ | ||
| 91 | showString "DEF " . | ||
| 92 | showString nm . | ||
| 93 | space . | ||
| 94 | showType t | ||
| 95 | showR (Var nm) = parens $ showString "Var " . showString nm | ||
| 96 | showR (PROD r s) = | ||
| 97 | parens $ | ||
| 98 | showString "PROD " . | ||
| 99 | showR r . | ||
| 100 | space . | ||
| 101 | showR s | ||
| 102 | showR (EITHER r s) = | ||
| 103 | parens $ | ||
| 104 | showString "EITHER " . | ||
| 105 | showR r . | ||
| 106 | space . | ||
| 107 | showR s | ||
| 108 | showR (MAYBE r) = | ||
| 109 | parens $ | ||
| 110 | showString "MAYBE " . | ||
| 111 | showR r | ||
| 112 | showR (LIST r) = | ||
| 113 | parens $ | ||
| 114 | showString "LIST " . | ||
| 115 | showR r | ||
| 116 | showR (SET r) = | ||
| 117 | parens $ | ||
| 118 | showString "SET " . | ||
| 119 | showR r | ||
| 120 | showR (MAP r) = | ||
| 121 | parens $ | ||
| 122 | showString "MAP " . | ||
| 123 | showR r | ||
| 124 | 5 | paulosilva | showR (REYNOLDS r s) = |
| 125 | parens $ | ||
| 126 | showString "REYNOLDS " . | ||
| 127 | showR r . | ||
| 128 | space . | ||
| 129 | showR s | ||
| 130 | 1 | paulosilva | showR FId = showString "FId" |
| 131 | showR (FComp _ f g) = | ||
| 132 | parens $ | ||
| 133 | showString "FComp " . | ||
| 134 | showR f . | ||
| 135 | space . | ||
| 136 | showR g | ||
| 137 | showR OId = showString "OId" | ||
| 138 | showR (OComp o1 o2) = | ||
| 139 | parens $ | ||
| 140 | showString "OComp " . | ||
| 141 | showR o1 . | ||
| 142 | space . | ||
| 143 | showR o2 | ||
| 144 | showR (OConv o) = | ||
| 145 | parens $ | ||
| 146 | showString "OConv " . | ||
| 147 | showR o | ||
| 148 | showR (OProd o) = | ||
| 149 | parens $ | ||
| 150 | showString "OProd " . | ||
| 151 | showR o | ||
| 152 | showR (OJoin o) = | ||
| 153 | parens $ | ||
| 154 | showString "OJoin " . | ||
| 155 | showR o | ||
| 156 | showR (OMeet o) = | ||
| 157 | parens $ | ||
| 158 | showString "OMeet " . | ||
| 159 | showR o | ||
| 160 | showR (OMax o) = | ||
| 161 | parens $ | ||
| 162 | showString "OMax " . | ||
| 163 | showR o | ||
| 164 | showR (OMin o) = | ||
| 165 | parens $ | ||
| 166 | showString "OMin " . | ||
| 167 | showR o | ||
| 168 | showR (GDef nm f g fo go) = | ||
| 169 | parens $ | ||
| 170 | showString "GDef " . | ||
| 171 | showString nm . space . | ||
| 172 | showR f . space . showR g . space . | ||
| 173 | showR fo . space . showR go | ||
| 174 | showR GId = showString "GId" | ||
| 175 | showR (GComp _ g1 g2) = | ||
| 176 | parens $ | ||
| 177 | showString "GComp " . | ||
| 178 | showR g1 . | ||
| 179 | space . | ||
| 180 | showR g2 | ||
| 181 | showR (GConv g) = | ||
| 182 | parens $ | ||
| 183 | showString "GConv " . | ||
| 184 | showR g | ||
| 185 | showR (GLAdj g) = | ||
| 186 | parens $ | ||
| 187 | showString "GLAdj " . | ||
| 188 | showR g | ||
| 189 | showR (GUAdj g) = | ||
| 190 | parens $ | ||
| 191 | showString "GUAdj " . | ||
| 192 | showR g | ||
| 193 | showR (GLOrd _ g) = | ||
| 194 | parens $ | ||
| 195 | showString "GLOrd " . | ||
| 196 | showR g | ||
| 197 | showR (GUOrd _ g) = | ||
| 198 | parens $ | ||
| 199 | showString "GUOrd " . | ||
| 200 | showR g | ||
| 201 | 7 | paulosilva | -} |
| 202 | 1 | paulosilva | ------------------------------------------------------------------------------- |
| 203 | |||
| 204 | parens :: ShowS -> String -> String | ||
| 205 | parens = showParen True | ||
| 206 | |||
| 207 | ------------------------------------------------------------------------------- | ||
| 208 | |||
| 209 | space :: ShowS | ||
| 210 | space = showChar ' ' | ||
| 211 | |||
| 212 | ------------------------------------------------------------------------------- | ||
| 213 | |||
| 214 | 7 | paulosilva | pretty :: R r -> ShowS |
| 215 | pretty BOT = showString "TT" | ||
| 216 | pretty TOP = showString "_||_" | ||
| 217 | pretty (NEG r) = showString "~" . pretty r | ||
| 218 | pretty (MEET r s) = parens $ pretty r . showString " /\\ " . pretty s | ||
| 219 | pretty (JOIN r s) = parens $ pretty r . showString " \\/ " . pretty s | ||
| 220 | pretty ID = showString "id" | ||
| 221 | pretty (CONV r) = pretty r . showString "*" | ||
| 222 | pretty (COMP _ r s) = parens $ pretty r . showString " . " . pretty s | ||
| 223 | pretty (SPLIT r s) = | ||
| 224 | showString "<" . pretty r . showString ", " . pretty s . showString ">" | ||
| 225 | pretty (ORD o) = pretty o | ||
| 226 | pretty (FUN f) = pretty f | ||
| 227 | pretty (LEFTSEC _ f s) = | ||
| 228 | parens $ showString "<" . pretty s . showString ">" . pretty f | ||
| 229 | pretty (RIGHTSEC _ f s) = | ||
| 230 | parens $ pretty f . showString "<" . pretty s . showString ">" | ||
| 231 | pretty (APPLY _ r v) = | ||
| 232 | parens $ pretty r . space . pretty v | ||
| 233 | pretty (DEF nm t) = showString nm | ||
| 234 | pretty (Var nm) = showString nm | ||
| 235 | pretty (PROD r s) = parens $ pretty r . showString " >< " . pretty s | ||
| 236 | pretty (EITHER r s) = parens $ pretty r . showString " -|- " . pretty s | ||
| 237 | pretty (MAYBE r) = showString "" | ||
| 238 | pretty (LIST r) = showString "" | ||
| 239 | pretty (SET r) =showString "" | ||
| 240 | pretty (MAP r) =showString "" | ||
| 241 | pretty (REYNOLDS r s) =showString "" | ||
| 242 | pretty FId = showString "id" | ||
| 243 | pretty (FComp _ f g) = parens $ pretty f . showString " . " . pretty g | ||
| 244 | pretty OId = showString "" | ||
| 245 | pretty (OComp o1 o2) = showString "" | ||
| 246 | pretty (OConv o) = showString "" | ||
| 247 | pretty (OProd o) = showString "" | ||
| 248 | pretty (OJoin o) = showString "" | ||
| 249 | pretty (OMeet o) = showString "" | ||
| 250 | pretty (OMax o) = showString "" | ||
| 251 | pretty (OMin o) = showString "" | ||
| 252 | pretty (GDef nm f g fo go) = showString "" | ||
| 253 | pretty GId = showString "" | ||
| 254 | pretty (GComp _ g1 g2) = showString "" | ||
| 255 | pretty (GConv g) = showString "" | ||
| 256 | pretty (GLAdj g) = showString "" | ||
| 257 | pretty (GUAdj g) = showString "" | ||
| 258 | pretty (GLOrd _ g) = showString "" | ||
| 259 | pretty (GUOrd _ g) = showString "" | ||
| 260 | |||
| 261 | ------------------------------------------------------------------------------- |