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| 722af2 | 1 | // CodeMirror, copyright (c) by Marijn Haverbeke and others |
| X | 2 | // Distributed under an MIT license: https://codemirror.net/LICENSE |
| 3 | ||
| 4 | (function(mod) { | |
| 5 | if (typeof exports == "object" && typeof module == "object") // CommonJS | |
| 6 | mod(require("../../lib/codemirror")); | |
| 7 | else if (typeof define == "function" && define.amd) // AMD | |
| 8 | define(["../../lib/codemirror"], mod); | |
| 9 | else // Plain browser env | |
| 10 | mod(CodeMirror); | |
| 11 | })(function(CodeMirror) { | |
| 12 | "use strict"; | |
| 13 | ||
| 14 | function wordRegexp(words) { | |
| 15 | return new RegExp("^((" + words.join(")|(") + "))\\b"); | |
| 16 | } | |
| 17 | ||
| 18 | var wordOperators = wordRegexp(["and", "or", "not", "is"]); | |
| 19 | var commonKeywords = ["as", "assert", "break", "class", "continue", | |
| 20 | "def", "del", "elif", "else", "except", "finally", | |
| 21 | "for", "from", "global", "if", "import", | |
| 22 | "lambda", "pass", "raise", "return", | |
| 23 | "try", "while", "with", "yield", "in"]; | |
| 24 | var commonBuiltins = ["abs", "all", "any", "bin", "bool", "bytearray", "callable", "chr", | |
| 25 | "classmethod", "compile", "complex", "delattr", "dict", "dir", "divmod", | |
| 26 | "enumerate", "eval", "filter", "float", "format", "frozenset", | |
| 27 | "getattr", "globals", "hasattr", "hash", "help", "hex", "id", | |
| 28 | "input", "int", "isinstance", "issubclass", "iter", "len", | |
| 29 | "list", "locals", "map", "max", "memoryview", "min", "next", | |
| 30 | "object", "oct", "open", "ord", "pow", "property", "range", | |
| 31 | "repr", "reversed", "round", "set", "setattr", "slice", | |
| 32 | "sorted", "staticmethod", "str", "sum", "super", "tuple", | |
| 33 | "type", "vars", "zip", "__import__", "NotImplemented", | |
| 34 | "Ellipsis", "__debug__"]; | |
| 35 | CodeMirror.registerHelper("hintWords", "python", commonKeywords.concat(commonBuiltins)); | |
| 36 | ||
| 37 | function top(state) { | |
| 38 | return state.scopes[state.scopes.length - 1]; | |
| 39 | } | |
| 40 | ||
| 41 | CodeMirror.defineMode("python", function(conf, parserConf) { | |
| 42 | var ERRORCLASS = "error"; | |
| 43 | ||
| 44 | var delimiters = parserConf.delimiters || parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.\\]/; | |
| 45 | // (Backwards-compatiblity with old, cumbersome config system) | |
| 46 | var operators = [parserConf.singleOperators, parserConf.doubleOperators, parserConf.doubleDelimiters, parserConf.tripleDelimiters, | |
| 47 | parserConf.operators || /^([-+*/%\/&|^]=?|[<>=]+|\/\/=?|\*\*=?|!=|[~!@])/] | |
| 48 | for (var i = 0; i < operators.length; i++) if (!operators[i]) operators.splice(i--, 1) | |
| 49 | ||
| 50 | var hangingIndent = parserConf.hangingIndent || conf.indentUnit; | |
| 51 | ||
| 52 | var myKeywords = commonKeywords, myBuiltins = commonBuiltins; | |
| 53 | if (parserConf.extra_keywords != undefined) | |
| 54 | myKeywords = myKeywords.concat(parserConf.extra_keywords); | |
| 55 | ||
| 56 | if (parserConf.extra_builtins != undefined) | |
| 57 | myBuiltins = myBuiltins.concat(parserConf.extra_builtins); | |
| 58 | ||
| 59 | var py3 = !(parserConf.version && Number(parserConf.version) < 3) | |
| 60 | if (py3) { | |
| 61 | // since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator | |
| 62 | var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/; | |
| 63 | myKeywords = myKeywords.concat(["nonlocal", "False", "True", "None", "async", "await"]); | |
| 64 | myBuiltins = myBuiltins.concat(["ascii", "bytes", "exec", "print"]); | |
| 65 | var stringPrefixes = new RegExp("^(([rbuf]|(br)|(fr))?('{3}|\"{3}|['\"]))", "i"); | |
| 66 | } else { | |
| 67 | var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*/; | |
| 68 | myKeywords = myKeywords.concat(["exec", "print"]); | |
| 69 | myBuiltins = myBuiltins.concat(["apply", "basestring", "buffer", "cmp", "coerce", "execfile", | |
| 70 | "file", "intern", "long", "raw_input", "reduce", "reload", | |
| 71 | "unichr", "unicode", "xrange", "False", "True", "None"]); | |
| 72 | var stringPrefixes = new RegExp("^(([rubf]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i"); | |
| 73 | } | |
| 74 | var keywords = wordRegexp(myKeywords); | |
| 75 | var builtins = wordRegexp(myBuiltins); | |
| 76 | ||
| 77 | // tokenizers | |
| 78 | function tokenBase(stream, state) { | |
| 79 | var sol = stream.sol() && state.lastToken != "\\" | |
| 80 | if (sol) state.indent = stream.indentation() | |
| 81 | // Handle scope changes | |
| 82 | if (sol && top(state).type == "py") { | |
| 83 | var scopeOffset = top(state).offset; | |
| 84 | if (stream.eatSpace()) { | |
| 85 | var lineOffset = stream.indentation(); | |
| 86 | if (lineOffset > scopeOffset) | |
| 87 | pushPyScope(state); | |
| 88 | else if (lineOffset < scopeOffset && dedent(stream, state) && stream.peek() != "#") | |
| 89 | state.errorToken = true; | |
| 90 | return null; | |
| 91 | } else { | |
| 92 | var style = tokenBaseInner(stream, state); | |
| 93 | if (scopeOffset > 0 && dedent(stream, state)) | |
| 94 | style += " " + ERRORCLASS; | |
| 95 | return style; | |
| 96 | } | |
| 97 | } | |
| 98 | return tokenBaseInner(stream, state); | |
| 99 | } | |
| 100 | ||
| 101 | function tokenBaseInner(stream, state) { | |
| 102 | if (stream.eatSpace()) return null; | |
| 103 | ||
| 104 | // Handle Comments | |
| 105 | if (stream.match(/^#.*/)) return "comment"; | |
| 106 | ||
| 107 | // Handle Number Literals | |
| 108 | if (stream.match(/^[0-9\.]/, false)) { | |
| 109 | var floatLiteral = false; | |
| 110 | // Floats | |
| 111 | if (stream.match(/^[\d_]*\.\d+(e[\+\-]?\d+)?/i)) { floatLiteral = true; } | |
| 112 | if (stream.match(/^[\d_]+\.\d*/)) { floatLiteral = true; } | |
| 113 | if (stream.match(/^\.\d+/)) { floatLiteral = true; } | |
| 114 | if (floatLiteral) { | |
| 115 | // Float literals may be "imaginary" | |
| 116 | stream.eat(/J/i); | |
| 117 | return "number"; | |
| 118 | } | |
| 119 | // Integers | |
| 120 | var intLiteral = false; | |
| 121 | // Hex | |
| 122 | if (stream.match(/^0x[0-9a-f_]+/i)) intLiteral = true; | |
| 123 | // Binary | |
| 124 | if (stream.match(/^0b[01_]+/i)) intLiteral = true; | |
| 125 | // Octal | |
| 126 | if (stream.match(/^0o[0-7_]+/i)) intLiteral = true; | |
| 127 | // Decimal | |
| 128 | if (stream.match(/^[1-9][\d_]*(e[\+\-]?[\d_]+)?/)) { | |
| 129 | // Decimal literals may be "imaginary" | |
| 130 | stream.eat(/J/i); | |
| 131 | // TODO - Can you have imaginary longs? | |
| 132 | intLiteral = true; | |
| 133 | } | |
| 134 | // Zero by itself with no other piece of number. | |
| 135 | if (stream.match(/^0(?![\dx])/i)) intLiteral = true; | |
| 136 | if (intLiteral) { | |
| 137 | // Integer literals may be "long" | |
| 138 | stream.eat(/L/i); | |
| 139 | return "number"; | |
| 140 | } | |
| 141 | } | |
| 142 | ||
| 143 | // Handle Strings | |
| 144 | if (stream.match(stringPrefixes)) { | |
| 145 | var isFmtString = stream.current().toLowerCase().indexOf('f') !== -1; | |
| 146 | if (!isFmtString) { | |
| 147 | state.tokenize = tokenStringFactory(stream.current()); | |
| 148 | return state.tokenize(stream, state); | |
| 149 | } else { | |
| 150 | state.tokenize = formatStringFactory(stream.current(), state.tokenize); | |
| 151 | return state.tokenize(stream, state); | |
| 152 | } | |
| 153 | } | |
| 154 | ||
| 155 | for (var i = 0; i < operators.length; i++) | |
| 156 | if (stream.match(operators[i])) return "operator" | |
| 157 | ||
| 158 | if (stream.match(delimiters)) return "punctuation"; | |
| 159 | ||
| 160 | if (state.lastToken == "." && stream.match(identifiers)) | |
| 161 | return "property"; | |
| 162 | ||
| 163 | if (stream.match(keywords) || stream.match(wordOperators)) | |
| 164 | return "keyword"; | |
| 165 | ||
| 166 | if (stream.match(builtins)) | |
| 167 | return "builtin"; | |
| 168 | ||
| 169 | if (stream.match(/^(self|cls)\b/)) | |
| 170 | return "variable-2"; | |
| 171 | ||
| 172 | if (stream.match(identifiers)) { | |
| 173 | if (state.lastToken == "def" || state.lastToken == "class") | |
| 174 | return "def"; | |
| 175 | return "variable"; | |
| 176 | } | |
| 177 | ||
| 178 | // Handle non-detected items | |
| 179 | stream.next(); | |
| 180 | return ERRORCLASS; | |
| 181 | } | |
| 182 | ||
| 183 | function formatStringFactory(delimiter, tokenOuter) { | |
| 184 | while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0) | |
| 185 | delimiter = delimiter.substr(1); | |
| 186 | ||
| 187 | var singleline = delimiter.length == 1; | |
| 188 | var OUTCLASS = "string"; | |
| 189 | ||
| 190 | function tokenFString(stream, state) { | |
| 191 | // inside f-str Expression | |
| 192 | if (stream.match(delimiter)) { | |
| 193 | // expression ends pre-maturally, but very common in editing | |
| 194 | // Could show error to remind users to close brace here | |
| 195 | state.tokenize = tokenString | |
| 196 | return OUTCLASS; | |
| 197 | } else if (stream.match('{')) { | |
| 198 | // starting brace, if not eaten below | |
| 199 | return "punctuation"; | |
| 200 | } else if (stream.match('}')) { | |
| 201 | // return to regular inside string state | |
| 202 | state.tokenize = tokenString | |
| 203 | return "punctuation"; | |
| 204 | } else { | |
| 205 | // use tokenBaseInner to parse the expression | |
| 206 | return tokenBaseInner(stream, state); | |
| 207 | } | |
| 208 | } | |
| 209 | ||
| 210 | function tokenString(stream, state) { | |
| 211 | while (!stream.eol()) { | |
| 212 | stream.eatWhile(/[^'"\{\}\\]/); | |
| 213 | if (stream.eat("\\")) { | |
| 214 | stream.next(); | |
| 215 | if (singleline && stream.eol()) | |
| 216 | return OUTCLASS; | |
| 217 | } else if (stream.match(delimiter)) { | |
| 218 | state.tokenize = tokenOuter; | |
| 219 | return OUTCLASS; | |
| 220 | } else if (stream.match('{{')) { | |
| 221 | // ignore {{ in f-str | |
| 222 | return OUTCLASS; | |
| 223 | } else if (stream.match('{', false)) { | |
| 224 | // switch to nested mode | |
| 225 | state.tokenize = tokenFString | |
| 226 | if (stream.current()) { | |
| 227 | return OUTCLASS; | |
| 228 | } else { | |
| 229 | // need to return something, so eat the starting { | |
| 230 | stream.next(); | |
| 231 | return "punctuation"; | |
| 232 | } | |
| 233 | } else if (stream.match('}}')) { | |
| 234 | return OUTCLASS; | |
| 235 | } else if (stream.match('}')) { | |
| 236 | // single } in f-string is an error | |
| 237 | return ERRORCLASS; | |
| 238 | } else { | |
| 239 | stream.eat(/['"]/); | |
| 240 | } | |
| 241 | } | |
| 242 | if (singleline) { | |
| 243 | if (parserConf.singleLineStringErrors) | |
| 244 | return ERRORCLASS; | |
| 245 | else | |
| 246 | state.tokenize = tokenOuter; | |
| 247 | } | |
| 248 | return OUTCLASS; | |
| 249 | } | |
| 250 | tokenString.isString = true; | |
| 251 | return tokenString; | |
| 252 | } | |
| 253 | ||
| 254 | function tokenStringFactory(delimiter) { | |
| 255 | while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0) | |
| 256 | delimiter = delimiter.substr(1); | |
| 257 | ||
| 258 | var singleline = delimiter.length == 1; | |
| 259 | var OUTCLASS = "string"; | |
| 260 | ||
| 261 | function tokenString(stream, state) { | |
| 262 | while (!stream.eol()) { | |
| 263 | stream.eatWhile(/[^'"\\]/); | |
| 264 | if (stream.eat("\\")) { | |
| 265 | stream.next(); | |
| 266 | if (singleline && stream.eol()) | |
| 267 | return OUTCLASS; | |
| 268 | } else if (stream.match(delimiter)) { | |
| 269 | state.tokenize = tokenBase; | |
| 270 | return OUTCLASS; | |
| 271 | } else { | |
| 272 | stream.eat(/['"]/); | |
| 273 | } | |
| 274 | } | |
| 275 | if (singleline) { | |
| 276 | if (parserConf.singleLineStringErrors) | |
| 277 | return ERRORCLASS; | |
| 278 | else | |
| 279 | state.tokenize = tokenBase; | |
| 280 | } | |
| 281 | return OUTCLASS; | |
| 282 | } | |
| 283 | tokenString.isString = true; | |
| 284 | return tokenString; | |
| 285 | } | |
| 286 | ||
| 287 | function pushPyScope(state) { | |
| 288 | while (top(state).type != "py") state.scopes.pop() | |
| 289 | state.scopes.push({offset: top(state).offset + conf.indentUnit, | |
| 290 | type: "py", | |
| 291 | align: null}) | |
| 292 | } | |
| 293 | ||
| 294 | function pushBracketScope(stream, state, type) { | |
| 295 | var align = stream.match(/^([\s\[\{\(]|#.*)*$/, false) ? null : stream.column() + 1 | |
| 296 | state.scopes.push({offset: state.indent + hangingIndent, | |
| 297 | type: type, | |
| 298 | align: align}) | |
| 299 | } | |
| 300 | ||
| 301 | function dedent(stream, state) { | |
| 302 | var indented = stream.indentation(); | |
| 303 | while (state.scopes.length > 1 && top(state).offset > indented) { | |
| 304 | if (top(state).type != "py") return true; | |
| 305 | state.scopes.pop(); | |
| 306 | } | |
| 307 | return top(state).offset != indented; | |
| 308 | } | |
| 309 | ||
| 310 | function tokenLexer(stream, state) { | |
| 311 | if (stream.sol()) state.beginningOfLine = true; | |
| 312 | ||
| 313 | var style = state.tokenize(stream, state); | |
| 314 | var current = stream.current(); | |
| 315 | ||
| 316 | // Handle decorators | |
| 317 | if (state.beginningOfLine && current == "@") | |
| 318 | return stream.match(identifiers, false) ? "meta" : py3 ? "operator" : ERRORCLASS; | |
| 319 | ||
| 320 | if (/\S/.test(current)) state.beginningOfLine = false; | |
| 321 | ||
| 322 | if ((style == "variable" || style == "builtin") | |
| 323 | && state.lastToken == "meta") | |
| 324 | style = "meta"; | |
| 325 | ||
| 326 | // Handle scope changes. | |
| 327 | if (current == "pass" || current == "return") | |
| 328 | state.dedent += 1; | |
| 329 | ||
| 330 | if (current == "lambda") state.lambda = true; | |
| 331 | if (current == ":" && !state.lambda && top(state).type == "py") | |
| 332 | pushPyScope(state); | |
| 333 | ||
| 334 | if (current.length == 1 && !/string|comment/.test(style)) { | |
| 335 | var delimiter_index = "[({".indexOf(current); | |
| 336 | if (delimiter_index != -1) | |
| 337 | pushBracketScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1)); | |
| 338 | ||
| 339 | delimiter_index = "])}".indexOf(current); | |
| 340 | if (delimiter_index != -1) { | |
| 341 | if (top(state).type == current) state.indent = state.scopes.pop().offset - hangingIndent | |
| 342 | else return ERRORCLASS; | |
| 343 | } | |
| 344 | } | |
| 345 | if (state.dedent > 0 && stream.eol() && top(state).type == "py") { | |
| 346 | if (state.scopes.length > 1) state.scopes.pop(); | |
| 347 | state.dedent -= 1; | |
| 348 | } | |
| 349 | ||
| 350 | return style; | |
| 351 | } | |
| 352 | ||
| 353 | var external = { | |
| 354 | startState: function(basecolumn) { | |
| 355 | return { | |
| 356 | tokenize: tokenBase, | |
| 357 | scopes: [{offset: basecolumn || 0, type: "py", align: null}], | |
| 358 | indent: basecolumn || 0, | |
| 359 | lastToken: null, | |
| 360 | lambda: false, | |
| 361 | dedent: 0 | |
| 362 | }; | |
| 363 | }, | |
| 364 | ||
| 365 | token: function(stream, state) { | |
| 366 | var addErr = state.errorToken; | |
| 367 | if (addErr) state.errorToken = false; | |
| 368 | var style = tokenLexer(stream, state); | |
| 369 | ||
| 370 | if (style && style != "comment") | |
| 371 | state.lastToken = (style == "keyword" || style == "punctuation") ? stream.current() : style; | |
| 372 | if (style == "punctuation") style = null; | |
| 373 | ||
| 374 | if (stream.eol() && state.lambda) | |
| 375 | state.lambda = false; | |
| 376 | return addErr ? style + " " + ERRORCLASS : style; | |
| 377 | }, | |
| 378 | ||
| 379 | indent: function(state, textAfter) { | |
| 380 | if (state.tokenize != tokenBase) | |
| 381 | return state.tokenize.isString ? CodeMirror.Pass : 0; | |
| 382 | ||
| 383 | var scope = top(state), closing = scope.type == textAfter.charAt(0) | |
| 384 | if (scope.align != null) | |
| 385 | return scope.align - (closing ? 1 : 0) | |
| 386 | else | |
| 387 | return scope.offset - (closing ? hangingIndent : 0) | |
| 388 | }, | |
| 389 | ||
| 390 | electricInput: /^\s*[\}\]\)]$/, | |
| 391 | closeBrackets: {triples: "'\""}, | |
| 392 | lineComment: "#", | |
| 393 | fold: "indent" | |
| 394 | }; | |
| 395 | return external; | |
| 396 | }); | |
| 397 | ||
| 398 | CodeMirror.defineMIME("text/x-python", "python"); | |
| 399 | ||
| 400 | var words = function(str) { return str.split(" "); }; | |
| 401 | ||
| 402 | CodeMirror.defineMIME("text/x-cython", { | |
| 403 | name: "python", | |
| 404 | extra_keywords: words("by cdef cimport cpdef ctypedef enum except "+ | |
| 405 | "extern gil include nogil property public "+ | |
| 406 | "readonly struct union DEF IF ELIF ELSE") | |
| 407 | }); | |
| 408 | ||
| 409 | }); | |
