swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 1 | #include "Parser.h" |
| 2 | |
| 3 | #include <QDebug> |
| 4 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 5 | ParseResult::ParseResult(bool okay) |
| 6 | : ParseResult((int)okay) |
| 7 | {} |
| 8 | |
| 9 | ParseResult::ParseResult(int status, ParsePos pos) |
| 10 | : ParseResult(status, "", pos) |
| 11 | {} |
| 12 | |
| 13 | ParseResult::ParseResult(int status, QString message, ParsePos pos) |
| 14 | { |
| 15 | _status = status; |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 16 | _message = message; |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 17 | _pos = pos; |
| 18 | } |
| 19 | |
| 20 | ParseResult::operator bool() const |
| 21 | { |
| 22 | return _status == COMPLETE; |
| 23 | } |
| 24 | |
| 25 | ParsePos ParseResult::pos() const |
| 26 | { |
| 27 | return _pos; |
| 28 | } |
| 29 | |
| 30 | QString ParseResult::message() const |
| 31 | { |
| 32 | return _message; |
| 33 | } |
| 34 | |
| 35 | int ParseResult::status() const |
| 36 | { |
| 37 | return _status; |
| 38 | } |
| 39 | |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 40 | Parser::Parser(QString input) |
| 41 | { |
| 42 | _input = input; |
| 43 | } |
| 44 | |
| 45 | QChar Parser::peek() |
| 46 | { |
| 47 | if (atEnd()) |
| 48 | return 0; |
| 49 | |
| 50 | return _input[_pos]; |
| 51 | } |
| 52 | |
| 53 | QChar Parser::get() |
| 54 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 55 | QChar c = _input[_pos++]; |
| 56 | |
| 57 | if (c == '\n') |
| 58 | { |
| 59 | _line++; |
| 60 | _offset = 0; |
| 61 | } |
| 62 | else |
| 63 | { |
| 64 | _offset++; |
| 65 | } |
| 66 | |
| 67 | return c; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | bool Parser::atEnd() |
| 71 | { |
| 72 | return _pos >= _input.length(); |
| 73 | } |
| 74 | |
| 75 | void Parser::skip() |
| 76 | { |
| 77 | while (peek().isSpace()) |
| 78 | get(); |
| 79 | } |
| 80 | |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 81 | QString Parser::line(int n) const |
| 82 | { |
| 83 | return _input.split("\n")[n]; |
| 84 | } |
| 85 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 86 | ParsePos Parser::save() const |
| 87 | { |
| 88 | return ParsePos{_line, _pos, _offset}; |
| 89 | } |
| 90 | |
| 91 | void Parser::reset(ParsePos pos) |
| 92 | { |
| 93 | _line = pos.line; |
| 94 | _pos = pos.pos; |
| 95 | _offset = pos.lineOffset; |
| 96 | } |
| 97 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 98 | template <typename T> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 99 | ParseResult Parser::parseSymbol(T *node) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 100 | { |
| 101 | skip(); |
| 102 | |
| 103 | if (peek().isLetter()) |
| 104 | { |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 105 | *node = T(get()); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 106 | return true; |
| 107 | } |
| 108 | |
| 109 | return false; |
| 110 | } |
| 111 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 112 | template <typename T> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 113 | ParseResult Parser::parseIdentifier(T *node) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 114 | { |
| 115 | skip(); |
| 116 | |
| 117 | QString buffer; |
| 118 | |
| 119 | if (peek().isUpper()) |
| 120 | { |
| 121 | while (peek().isLetter() || peek() == '-' || peek() == '_' || peek().isNumber()) |
| 122 | { |
| 123 | buffer += get(); |
| 124 | } |
| 125 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 126 | *node = T(buffer); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 127 | return true; |
| 128 | } |
| 129 | |
| 130 | return false; |
| 131 | } |
| 132 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 133 | template <typename T> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 134 | ParseResult Parser::parseNumber(T *node) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 135 | { |
| 136 | skip(); |
| 137 | |
| 138 | QString buffer; |
| 139 | |
| 140 | if (peek().isDigit()) |
| 141 | { |
| 142 | while (peek().isDigit()) |
| 143 | buffer += get(); |
| 144 | |
swissChili | 1060c0e | 2021-12-09 09:46:42 -0800 | [diff] [blame] | 145 | *node = T::fromInteger(buffer.toInt()); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 146 | return true; |
| 147 | } |
| 148 | |
| 149 | return false; |
| 150 | } |
| 151 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 152 | template <typename T> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 153 | ParseResult Parser::parseVariable(T *node) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 154 | { |
| 155 | skip(); |
| 156 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 157 | ParsePos pos = save(); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 158 | |
| 159 | if (peek() == 's' || peek() == 'e' || peek() == 't') |
| 160 | { |
| 161 | char type = get().toLatin1(); |
| 162 | |
| 163 | if (peek() == '.') |
| 164 | { |
| 165 | get(); |
| 166 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 167 | T nameNode; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 168 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 169 | if (parseIdentifier(&nameNode)) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 170 | { |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 171 | *node = T(type, nameNode.name()); |
| 172 | return true; |
| 173 | } |
| 174 | else if (parseSymbol(&nameNode)) |
| 175 | { |
| 176 | *node = T(type, QString(nameNode.symbol())); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 177 | return true; |
| 178 | } |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 179 | else |
| 180 | { |
| 181 | ParseResult ret(ParseResult::INCOMPLETE, |
| 182 | "Expected identifier or symbol after . in variable", |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 183 | save()); |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 184 | |
| 185 | reset(pos); |
| 186 | |
| 187 | return ret; |
| 188 | } |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 189 | } |
| 190 | } |
| 191 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 192 | reset(pos); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 193 | return false; |
| 194 | } |
| 195 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 196 | template <typename T> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 197 | ParseResult Parser::parseMany(QList<T> *list) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 198 | { |
swissChili | 918557c | 2022-02-20 20:16:34 -0800 | [diff] [blame] | 199 | QList<T> nodes, string; |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 200 | T next; |
swissChili | 918557c | 2022-02-20 20:16:34 -0800 | [diff] [blame] | 201 | ParseResult ret, stringRet; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 202 | |
swissChili | 918557c | 2022-02-20 20:16:34 -0800 | [diff] [blame] | 203 | while ((ret = parseOne(&next)) || (stringRet = parseString(&string))) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 204 | { |
swissChili | 918557c | 2022-02-20 20:16:34 -0800 | [diff] [blame] | 205 | if (ret) |
| 206 | nodes.append(next); |
| 207 | else if (stringRet) |
| 208 | nodes.append(string); |
| 209 | |
| 210 | // So that we can check if anything was incomplete recently at the end |
| 211 | ret = stringRet = false; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 212 | } |
| 213 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 214 | *list = nodes; |
| 215 | |
| 216 | if (ret.status() == ParseResult::INCOMPLETE) |
| 217 | return ret; |
swissChili | 918557c | 2022-02-20 20:16:34 -0800 | [diff] [blame] | 218 | else if (stringRet.status() == ParseResult::INCOMPLETE) |
| 219 | return ret; |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 220 | else |
| 221 | return true; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 222 | } |
| 223 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 224 | template <typename T> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 225 | ParseResult Parser::parseParens(T *node) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 226 | { |
| 227 | skip(); |
| 228 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 229 | ParsePos pos = save(); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 230 | |
| 231 | if (peek() != '(') |
| 232 | return false; |
| 233 | |
| 234 | get(); |
| 235 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 236 | QList<T> many; |
| 237 | ParseResult ret = parseMany(&many); |
| 238 | |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 239 | *node = T(many); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 240 | |
| 241 | skip(); |
| 242 | if (peek() != ')') |
| 243 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 244 | ret = ParseResult(ParseResult::INCOMPLETE, "Expected ) in parenthesized list", save()); |
| 245 | reset(pos); |
| 246 | |
| 247 | return ret; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 248 | } |
| 249 | |
| 250 | get(); |
| 251 | |
| 252 | return true; |
| 253 | } |
| 254 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 255 | ParseResult Parser::parseFunction(AstNode *node) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 256 | { |
| 257 | skip(); |
| 258 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 259 | ParsePos pos = save(); |
| 260 | ParseResult ret; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 261 | |
| 262 | if (peek() != '<') |
| 263 | return false; |
| 264 | |
| 265 | get(); |
| 266 | |
| 267 | AstNode head; |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 268 | if (!(ret = parseIdentifier(&head))) |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 269 | { |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 270 | ParsePos endPos = save(); |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 271 | reset(pos); |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 272 | return ParseResult(ParseResult::INCOMPLETE, "Expected identifier following < in function call", endPos); |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 273 | } |
| 274 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 275 | QList<AstNode> body; |
| 276 | ret = parseMany(&body); |
| 277 | |
| 278 | if (!ret) |
| 279 | { |
| 280 | reset(pos); |
| 281 | return ret; |
| 282 | } |
| 283 | |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 284 | *node = AstNode(head.name(), body); |
| 285 | |
| 286 | skip(); |
| 287 | if (peek() != '>') |
| 288 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 289 | ret = ParseResult(ParseResult::INCOMPLETE, "Expected >", save()); |
| 290 | reset(pos); |
| 291 | return ret; |
swissChili | c71acc6 | 2021-12-07 08:03:37 -0800 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | get(); |
| 295 | |
| 296 | return true; |
| 297 | } |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 298 | |
| 299 | template <> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 300 | ParseResult Parser::parseOne<Token>(Token *node) |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 301 | { |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 302 | ParseResult ret; |
| 303 | |
| 304 | if ((ret = parseVariable(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 305 | return ret; |
| 306 | if ((ret = parseNumber(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 307 | return ret; |
| 308 | if ((ret = parseIdentifier(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 309 | return ret; |
| 310 | if ((ret = parseSymbol(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 311 | return ret; |
| 312 | return parseParens(node); |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | template <> |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 316 | ParseResult Parser::parseOne<AstNode>(AstNode *node) |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 317 | { |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 318 | ParseResult ret; |
| 319 | |
| 320 | if ((ret = parseFunction(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 321 | return ret; |
| 322 | if ((ret = parseVariable(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 323 | return ret; |
| 324 | if ((ret = parseNumber(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 325 | return ret; |
| 326 | if ((ret = parseIdentifier(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 327 | return ret; |
| 328 | if ((ret = parseSymbol(node)).status() == ParseResult::COMPLETE || ret.status() == ParseResult::INCOMPLETE) |
| 329 | return ret; |
| 330 | return parseParens(node); |
swissChili | 682e7bc | 2021-12-07 09:04:54 -0800 | [diff] [blame] | 331 | } |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 332 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 333 | ParseResult Parser::parseSentence(Sentence *sentence) |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 334 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 335 | ParsePos pos = save(); |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 336 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 337 | if (peek() == '}') |
| 338 | { |
| 339 | return false; |
| 340 | } |
| 341 | |
| 342 | QList<Token> pattern; |
| 343 | ParseResult ret = parseMany(&pattern); |
| 344 | |
| 345 | if (!ret) |
| 346 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 347 | reset(pos); |
| 348 | return ret; |
| 349 | } |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 350 | |
| 351 | skip(); |
| 352 | |
| 353 | if (get() != '=') |
| 354 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 355 | ret = ParseResult(ParseResult::INCOMPLETE, "Expected = in sentence", save()); |
| 356 | reset(pos); |
| 357 | return ret; |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 358 | } |
| 359 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 360 | QList<AstNode> result; |
| 361 | ret = parseMany(&result); |
| 362 | |
| 363 | if (!ret) |
| 364 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 365 | reset(pos); |
| 366 | return ret; |
| 367 | } |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 368 | |
| 369 | skip(); |
| 370 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 371 | if (peek() != '}' && get() != ';') |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 372 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 373 | ret = ParseResult(ParseResult::INCOMPLETE, "Expected ; or } after sentence", save()); |
| 374 | reset(pos); |
| 375 | return ret; |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | *sentence = Sentence(pattern, result); |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 379 | |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 380 | return true; |
| 381 | } |
| 382 | |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 383 | ParseResult Parser::parseFunctionDefinition(Function *function) |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 384 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 385 | ParsePos pos = save(); |
| 386 | ParseResult ret; |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 387 | |
| 388 | Token identifier; |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 389 | if (!(ret = parseIdentifier(&identifier))) |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 390 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 391 | reset(pos); |
| 392 | return ret; |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | QString name = identifier.name(); |
| 396 | Function func(name); |
| 397 | |
| 398 | skip(); |
| 399 | |
| 400 | if (get() != '{') |
| 401 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 402 | reset(pos); |
| 403 | return false; |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 404 | } |
| 405 | |
| 406 | Sentence sentence; |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 407 | while ((ret = parseSentence(&sentence))) |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 408 | { |
| 409 | func.addSentence(sentence); |
| 410 | skip(); |
| 411 | } |
| 412 | |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 413 | if (ret.status() == ParseResult::INCOMPLETE) |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 414 | { |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 415 | reset(pos); |
| 416 | return ret; |
| 417 | } |
| 418 | |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 419 | if (get() != '}') |
| 420 | { |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 421 | ret = ParseResult(ParseResult::INCOMPLETE, "Expected } at end of function", save()); |
swissChili | 847a78c | 2021-12-09 17:44:52 -0800 | [diff] [blame] | 422 | reset(pos); |
| 423 | return ret; |
swissChili | 8a581c6 | 2021-12-07 13:29:21 -0800 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | *function = func; |
| 427 | return true; |
| 428 | } |
swissChili | 323883d | 2022-02-20 16:35:23 -0800 | [diff] [blame] | 429 | |
| 430 | ParsePos::operator QString() |
| 431 | { |
| 432 | return QString::number(line) + ":" + QString::number(lineOffset); |
| 433 | } |
swissChili | 918557c | 2022-02-20 20:16:34 -0800 | [diff] [blame] | 434 | |
| 435 | template <typename T> |
| 436 | ParseResult Parser::parseString(QList<T> *list) |
| 437 | { |
| 438 | skip(); |
| 439 | |
| 440 | ParsePos pos = save(); |
| 441 | |
| 442 | if (peek() != '\'') |
| 443 | return false; |
| 444 | |
| 445 | get(); |
| 446 | |
| 447 | list->clear(); |
| 448 | |
| 449 | while (peek() != 0 && peek() != '\'') |
| 450 | { |
| 451 | QChar c = get(); |
| 452 | if (c == '\\') |
| 453 | { |
| 454 | QChar next = get(); |
| 455 | QString conversions = "''n\nt\tr\r"; |
| 456 | |
| 457 | for (int i = 0; i < conversions.size(); i += 2) |
| 458 | { |
| 459 | if (next == conversions[i]) |
| 460 | list->append(T(conversions[i + 1])); |
| 461 | } |
| 462 | } |
| 463 | else |
| 464 | { |
| 465 | list->append(T(c)); |
| 466 | } |
| 467 | } |
| 468 | |
| 469 | if (get() == 0) |
| 470 | { |
| 471 | ParseResult ret(ParseResult::INCOMPLETE, "Expected ' before end of input", save()); |
| 472 | reset(pos); |
| 473 | return ret; |
| 474 | } |
| 475 | |
| 476 | return true; |
| 477 | } |