CodeMirror.defineMode("python", function(conf, parserConf) { var ERRORCLASS = 'error'; function wordRegexp(words) { return new RegExp("^((" + words.join(")|(") + "))\\b"); } // IPython-specific changes: add '?' as recognized character. //var singleOperators = new RegExp("^[\\+\\-\\*/%&|\\^~<>!]"); var singleOperators = new RegExp("^[\\+\\-\\*/%&|\\^~<>!\\?]"); // End IPython changes. 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') { 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) { 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 { 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)) { 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");