| CodeMirror.defineMode("python", function(conf, parserConf) { | |
| var ERRORCLASS = 'error'; | |
| function wordRegexp(words) { | |
| return new RegExp("^((" + words.join(")|(") + "))\\b"); | |
| } | |
| var singleOperators = new RegExp("^[\\+\\-\\*/%&|\\^~<>!]"); | |
| var singleDelimiters = new RegExp('^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]'); | |
| var doubleOperators = new RegExp("^((==)|(!=)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))"); | |
| var doubleDelimiters = new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))"); | |
| var tripleDelimiters = new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))"); | |
| var identifiers = new RegExp("^[_A-Za-z][_A-Za-z0-9]*"); | |
| var wordOperators = wordRegexp(['and', 'or', 'not', 'is', 'in']); | |
| var commonkeywords = ['as', 'assert', 'break', 'class', 'continue', | |
| 'def', 'del', 'elif', 'else', 'except', 'finally', | |
| 'for', 'from', 'global', 'if', 'import', | |
| 'lambda', 'pass', 'raise', 'return', | |
| 'try', 'while', 'with', 'yield']; | |
| var commontypes = ['bool', 'classmethod', 'complex', 'dict', 'enumerate', | |
| 'float', 'frozenset', 'int', 'list', 'object', | |
| 'property', 'reversed', 'set', 'slice', 'staticmethod', | |
| 'str', 'super', 'tuple', 'type']; | |
| var py2 = {'types': ['basestring', 'buffer', 'file', 'long', 'unicode', | |
| 'xrange'], | |
| 'keywords': ['exec', 'print']}; | |
| var py3 = {'types': ['bytearray', 'bytes', 'filter', 'map', 'memoryview', | |
| 'open', 'range', 'zip'], | |
| 'keywords': ['nonlocal']}; | |
| if (!!parserConf.version && parseInt(parserConf.version, 10) === 3) { | |
| commonkeywords = commonkeywords.concat(py3.keywords); | |
| commontypes = commontypes.concat(py3.types); | |
| var stringPrefixes = new RegExp("^(([rb]|(br))?('{3}|\"{3}|['\"]))", "i"); | |
| } else { | |
| commonkeywords = commonkeywords.concat(py2.keywords); | |
| commontypes = commontypes.concat(py2.types); | |
| var stringPrefixes = new RegExp("^(([rub]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i"); | |
| } | |
| var keywords = wordRegexp(commonkeywords); | |
| var types = wordRegexp(commontypes); | |
| var indentInfo = null; | |
| // tokenizers | |
| function tokenBase(stream, state) { | |
| // Handle scope changes | |
| if (stream.sol()) { | |
| var scopeOffset = state.scopes[0].offset; | |
| if (stream.eatSpace()) { | |
| var lineOffset = stream.indentation(); | |
| if (lineOffset > scopeOffset) { | |
| indentInfo = 'indent'; | |
| } else if (lineOffset < scopeOffset) { | |
| indentInfo = 'dedent'; | |
| } | |
| return null; | |
| } else { | |
| if (scopeOffset > 0) { | |
| dedent(stream, state); | |
| } | |
| } | |
| } | |
| if (stream.eatSpace()) { | |
| return null; | |
| } | |
| var ch = stream.peek(); | |
| // Handle Comments | |
| if (ch === '#') { | |
| stream.skipToEnd(); | |
| return 'comment'; | |
| } | |
| // Handle Number Literals | |
| if (stream.match(/^[0-9\.]/, false)) { | |
| var floatLiteral = false; | |
| // Floats | |
| if (stream.match(/^\d*\.\d+(e[\+\-]?\d+)?/i)) { floatLiteral = true; } | |
| if (stream.match(/^\d+\.\d*/)) { floatLiteral = true; } | |
| if (stream.match(/^\.\d+/)) { floatLiteral = true; } | |
| if (floatLiteral) { | |
| // Float literals may be "imaginary" | |
| stream.eat(/J/i); | |
| return 'number'; | |
| } | |
| // Integers | |
| var intLiteral = false; | |
| // Hex | |
| if (stream.match(/^0x[0-9a-f]+/i)) { intLiteral = true; } | |
| // Binary | |
| if (stream.match(/^0b[01]+/i)) { intLiteral = true; } | |
| // Octal | |
| if (stream.match(/^0o[0-7]+/i)) { intLiteral = true; } | |
| // Decimal | |
| if (stream.match(/^[1-9]\d*(e[\+\-]?\d+)?/)) { | |
| // Decimal literals may be "imaginary" | |
| stream.eat(/J/i); | |
| // TODO - Can you have imaginary longs? | |
| intLiteral = true; | |
| } | |
| // Zero by itself with no other piece of number. | |
| if (stream.match(/^0(?![\dx])/i)) { intLiteral = true; } | |
| if (intLiteral) { | |
| // Integer literals may be "long" | |
| stream.eat(/L/i); | |
| return 'number'; | |
| } | |
| } | |
| // Handle Strings | |
| if (stream.match(stringPrefixes)) { | |
| state.tokenize = tokenStringFactory(stream.current()); | |
| return state.tokenize(stream, state); | |
| } | |
| // Handle operators and Delimiters | |
| if (stream.match(tripleDelimiters) || stream.match(doubleDelimiters)) { | |
| return null; | |
| } | |
| if (stream.match(doubleOperators) | |
| || stream.match(singleOperators) | |
| || stream.match(wordOperators)) { | |
| return 'operator'; | |
| } | |
| if (stream.match(singleDelimiters)) { | |
| return null; | |
| } | |
| if (stream.match(types)) { | |
| return 'builtin'; | |
| } | |
| if (stream.match(keywords)) { | |
| return 'keyword'; | |
| } | |
| if (stream.match(identifiers)) { | |
| return 'variable'; | |
| } | |
| // Handle non-detected items | |
| stream.next(); | |
| return ERRORCLASS; | |
| } | |
| function tokenStringFactory(delimiter) { | |
| while ('rub'.indexOf(delimiter.charAt(0).toLowerCase()) >= 0) { | |
| delimiter = delimiter.substr(1); | |
| } | |
| var singleline = delimiter.length == 1; | |
| var OUTCLASS = 'string'; | |
| return function tokenString(stream, state) { | |
| while (!stream.eol()) { | |
| stream.eatWhile(/[^'"\\]/); | |
| if (stream.eat('\\')) { | |
| stream.next(); | |
| if (singleline && stream.eol()) { | |
| return OUTCLASS; | |
| } | |
| } else if (stream.match(delimiter)) { | |
| state.tokenize = tokenBase; | |
| return OUTCLASS; | |
| } else { | |
| stream.eat(/['"]/); | |
| } | |
| } | |
| if (singleline) { | |
| if (parserConf.singleLineStringErrors) { | |
| return ERRORCLASS; | |
| } else { | |
| state.tokenize = tokenBase; | |
| } | |
| } | |
| return OUTCLASS; | |
| }; | |
| } | |
| function indent(stream, state, type) { | |
| type = type || 'py'; | |
| var indentUnit = 0; | |
| if (type === 'py') { | |
| if (state.scopes[0].type !== 'py') { | |
| state.scopes[0].offset = stream.indentation(); | |
| return; | |
| } | |
| for (var i = 0; i < state.scopes.length; ++i) { | |
| if (state.scopes[i].type === 'py') { | |
| indentUnit = state.scopes[i].offset + conf.indentUnit; | |
| break; | |
| } | |
| } | |
| } else { | |
| indentUnit = stream.column() + stream.current().length; | |
| } | |
| state.scopes.unshift({ | |
| offset: indentUnit, | |
| type: type | |
| }); | |
| } | |
| function dedent(stream, state, type) { | |
| type = type || 'py'; | |
| if (state.scopes.length == 1) return; | |
| if (state.scopes[0].type === 'py') { | |
| var _indent = stream.indentation(); | |
| var _indent_index = -1; | |
| for (var i = 0; i < state.scopes.length; ++i) { | |
| if (_indent === state.scopes[i].offset) { | |
| _indent_index = i; | |
| break; | |
| } | |
| } | |
| if (_indent_index === -1) { | |
| return true; | |
| } | |
| while (state.scopes[0].offset !== _indent) { | |
| state.scopes.shift(); | |
| } | |
| return false | |
| } else { | |
| if (type === 'py') { | |
| state.scopes[0].offset = stream.indentation(); | |
| return false; | |
| } else { | |
| if (state.scopes[0].type != type) { | |
| return true; | |
| } | |
| state.scopes.shift(); | |
| return false; | |
| } | |
| } | |
| } | |
| function tokenLexer(stream, state) { | |
| indentInfo = null; | |
| var style = state.tokenize(stream, state); | |
| var current = stream.current(); | |
| // Handle '.' connected identifiers | |
| if (current === '.') { | |
| style = state.tokenize(stream, state); | |
| current = stream.current(); | |
| if (style === 'variable') { | |
| return 'variable'; | |
| } else { | |
| return ERRORCLASS; | |
| } | |
| } | |
| // Handle decorators | |
| if (current === '@') { | |
| style = state.tokenize(stream, state); | |
| current = stream.current(); | |
| if (style === 'variable' | |
| || current === '@staticmethod' | |
| || current === '@classmethod') { | |
| return 'meta'; | |
| } else { | |
| return ERRORCLASS; | |
| } | |
| } | |
| // Handle scope changes. | |
| if (current === 'pass' || current === 'return') { | |
| state.dedent += 1; | |
| } | |
| if ((current === ':' && !state.lambda && state.scopes[0].type == 'py') | |
| || indentInfo === 'indent') { | |
| indent(stream, state); | |
| } | |
| var delimiter_index = '[({'.indexOf(current); | |
| if (delimiter_index !== -1) { | |
| indent(stream, state, '])}'.slice(delimiter_index, delimiter_index+1)); | |
| } | |
| if (indentInfo === 'dedent') { | |
| if (dedent(stream, state)) { | |
| return ERRORCLASS; | |
| } | |
| } | |
| delimiter_index = '])}'.indexOf(current); | |
| if (delimiter_index !== -1) { | |
| if (dedent(stream, state, current)) { | |
| return ERRORCLASS; | |
| } | |
| } | |
| if (state.dedent > 0 && stream.eol() && state.scopes[0].type == 'py') { | |
| if (state.scopes.length > 1) state.scopes.shift(); | |
| state.dedent -= 1; | |
| } | |
| return style; | |
| } | |
| var external = { | |
| startState: function(basecolumn) { | |
| return { | |
| tokenize: tokenBase, | |
| scopes: [{offset:basecolumn || 0, type:'py'}], | |
| lastToken: null, | |
| lambda: false, | |
| dedent: 0 | |
| }; | |
| }, | |
| token: function(stream, state) { | |
| var style = tokenLexer(stream, state); | |
| state.lastToken = {style:style, content: stream.current()}; | |
| if (stream.eol() && stream.lambda) { | |
| state.lambda = false; | |
| } | |
| return style; | |
| }, | |
| indent: function(state, textAfter) { | |
| if (state.tokenize != tokenBase) { | |
| return 0; | |
| } | |
| return state.scopes[0].offset; | |
| } | |
| }; | |
| return external; | |
| }); | |
| CodeMirror.defineMIME("text/x-python", "python"); | |