--- a/js/flotr2/examples/lib/codemirror/mode/python/python.js +++ b/js/flotr2/examples/lib/codemirror/mode/python/python.js @@ -1,1 +1,334 @@ - +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"); +