diff options
Diffstat (limited to 'js/codemirror')
| -rw-r--r-- | js/codemirror/python.js | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/js/codemirror/python.js b/js/codemirror/python.js new file mode 100644 index 0000000..e5a0971 --- /dev/null +++ b/js/codemirror/python.js @@ -0,0 +1,358 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + + function wordRegexp(words) { + return new RegExp("^((" + words.join(")|(") + "))\\b"); + } + + var wordOperators = wordRegexp(["and", "or", "not", "is"]); + 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", "in"]; + var commonBuiltins = ["abs", "all", "any", "bin", "bool", "bytearray", "callable", "chr", + "classmethod", "compile", "complex", "delattr", "dict", "dir", "divmod", + "enumerate", "eval", "filter", "float", "format", "frozenset", + "getattr", "globals", "hasattr", "hash", "help", "hex", "id", + "input", "int", "isinstance", "issubclass", "iter", "len", + "list", "locals", "map", "max", "memoryview", "min", "next", + "object", "oct", "open", "ord", "pow", "property", "range", + "repr", "reversed", "round", "set", "setattr", "slice", + "sorted", "staticmethod", "str", "sum", "super", "tuple", + "type", "vars", "zip", "__import__", "NotImplemented", + "Ellipsis", "__debug__"]; + var py2 = {builtins: ["apply", "basestring", "buffer", "cmp", "coerce", "execfile", + "file", "intern", "long", "raw_input", "reduce", "reload", + "unichr", "unicode", "xrange", "False", "True", "None"], + keywords: ["exec", "print"]}; + var py3 = {builtins: ["ascii", "bytes", "exec", "print"], + keywords: ["nonlocal", "False", "True", "None", "async", "await"]}; + + CodeMirror.registerHelper("hintWords", "python", commonKeywords.concat(commonBuiltins)); + + function top(state) { + return state.scopes[state.scopes.length - 1]; + } + + CodeMirror.defineMode("python", function(conf, parserConf) { + var ERRORCLASS = "error"; + + var singleDelimiters = parserConf.singleDelimiters || new RegExp("^[\\(\\)\\[\\]\\{\\}@,:`=;\\.]"); + var doubleOperators = parserConf.doubleOperators || new RegExp("^((==)|(!=)|(<=)|(>=)|(<>)|(<<)|(>>)|(//)|(\\*\\*))"); + var doubleDelimiters = parserConf.doubleDelimiters || new RegExp("^((\\+=)|(\\-=)|(\\*=)|(%=)|(/=)|(&=)|(\\|=)|(\\^=))"); + var tripleDelimiters = parserConf.tripleDelimiters || new RegExp("^((//=)|(>>=)|(<<=)|(\\*\\*=))"); + + if (parserConf.version && parseInt(parserConf.version, 10) == 3){ + // since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator + var singleOperators = parserConf.singleOperators || new RegExp("^[\\+\\-\\*/%&|\\^~<>!@]"); + var identifiers = parserConf.identifiers|| new RegExp("^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*"); + } else { + var singleOperators = parserConf.singleOperators || new RegExp("^[\\+\\-\\*/%&|\\^~<>!]"); + var identifiers = parserConf.identifiers|| new RegExp("^[_A-Za-z][_A-Za-z0-9]*"); + } + + var hangingIndent = parserConf.hangingIndent || conf.indentUnit; + + var myKeywords = commonKeywords, myBuiltins = commonBuiltins; + if(parserConf.extra_keywords != undefined){ + myKeywords = myKeywords.concat(parserConf.extra_keywords); + } + if(parserConf.extra_builtins != undefined){ + myBuiltins = myBuiltins.concat(parserConf.extra_builtins); + } + if (parserConf.version && parseInt(parserConf.version, 10) == 3) { + myKeywords = myKeywords.concat(py3.keywords); + myBuiltins = myBuiltins.concat(py3.builtins); + var stringPrefixes = new RegExp("^(([rb]|(br))?('{3}|\"{3}|['\"]))", "i"); + } else { + myKeywords = myKeywords.concat(py2.keywords); + myBuiltins = myBuiltins.concat(py2.builtins); + var stringPrefixes = new RegExp("^(([rub]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i"); + } + var keywords = wordRegexp(myKeywords); + var builtins = wordRegexp(myBuiltins); + + // tokenizers + function tokenBase(stream, state) { + // Handle scope changes + if (stream.sol() && top(state).type == "py") { + var scopeOffset = top(state).offset; + if (stream.eatSpace()) { + var lineOffset = stream.indentation(); + if (lineOffset > scopeOffset) + pushScope(stream, state, "py"); + else if (lineOffset < scopeOffset && dedent(stream, state)) + state.errorToken = true; + return null; + } else { + var style = tokenBaseInner(stream, state); + if (scopeOffset > 0 && dedent(stream, state)) + style += " " + ERRORCLASS; + return style; + } + } + return tokenBaseInner(stream, state); + } + + function tokenBaseInner(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)) + return "operator"; + + if (stream.match(singleDelimiters)) + return null; + + if (stream.match(keywords) || stream.match(wordOperators)) + return "keyword"; + + if (stream.match(builtins)) + return "builtin"; + + if (stream.match(/^(self|cls)\b/)) + return "variable-2"; + + if (stream.match(identifiers)) { + if (state.lastToken == "def" || state.lastToken == "class") + return "def"; + 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"; + + 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; + } + tokenString.isString = true; + return tokenString; + } + + function pushScope(stream, state, type) { + var offset = 0, align = null; + if (type == "py") { + while (top(state).type != "py") + state.scopes.pop(); + } + offset = top(state).offset + (type == "py" ? conf.indentUnit : hangingIndent); + if (type != "py" && !stream.match(/^(\s|#.*)*$/, false)) + align = stream.column() + 1; + state.scopes.push({offset: offset, type: type, align: align}); + } + + function dedent(stream, state) { + var indented = stream.indentation(); + while (top(state).offset > indented) { + if (top(state).type != "py") return true; + state.scopes.pop(); + } + return top(state).offset != indented; + } + + function tokenLexer(stream, state) { + var style = state.tokenize(stream, state); + var current = stream.current(); + + // Handle '.' connected identifiers + if (current == ".") { + style = stream.match(identifiers, false) ? null : ERRORCLASS; + if (style == null && state.lastStyle == "meta") { + // Apply 'meta' style to '.' connected identifiers when + // appropriate. + style = "meta"; + } + return style; + } + + // Handle decorators + if (current == "@"){ + if(parserConf.version && parseInt(parserConf.version, 10) == 3){ + return stream.match(identifiers, false) ? "meta" : "operator"; + } else { + return stream.match(identifiers, false) ? "meta" : ERRORCLASS; + } + } + + if ((style == "variable" || style == "builtin") + && state.lastStyle == "meta") + style = "meta"; + + // Handle scope changes. + if (current == "pass" || current == "return") + state.dedent += 1; + + if (current == "lambda") state.lambda = true; + if (current == ":" && !state.lambda && top(state).type == "py") + pushScope(stream, state, "py"); + + var delimiter_index = current.length == 1 ? "[({".indexOf(current) : -1; + if (delimiter_index != -1) + pushScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1)); + + delimiter_index = "])}".indexOf(current); + if (delimiter_index != -1) { + if (top(state).type == current) state.scopes.pop(); + else return ERRORCLASS; + } + if (state.dedent > 0 && stream.eol() && top(state).type == "py") { + if (state.scopes.length > 1) state.scopes.pop(); + state.dedent -= 1; + } + + return style; + } + + var external = { + startState: function(basecolumn) { + return { + tokenize: tokenBase, + scopes: [{offset: basecolumn || 0, type: "py", align: null}], + lastStyle: null, + lastToken: null, + lambda: false, + dedent: 0 + }; + }, + + token: function(stream, state) { + var addErr = state.errorToken; + if (addErr) state.errorToken = false; + var style = tokenLexer(stream, state); + + state.lastStyle = style; + + var current = stream.current(); + if (current && style) + state.lastToken = current; + + if (stream.eol() && state.lambda) + state.lambda = false; + return addErr ? style + " " + ERRORCLASS : style; + }, + + indent: function(state, textAfter) { + if (state.tokenize != tokenBase) + return state.tokenize.isString ? CodeMirror.Pass : 0; + + var scope = top(state); + var closing = textAfter && textAfter.charAt(0) == scope.type; + if (scope.align != null) + return scope.align - (closing ? 1 : 0); + else if (closing && state.scopes.length > 1) + return state.scopes[state.scopes.length - 2].offset; + else + return scope.offset; + }, + + closeBrackets: {triples: "'\""}, + lineComment: "#", + fold: "indent" + }; + return external; + }); + + CodeMirror.defineMIME("text/x-python", "python"); + + var words = function(str) { return str.split(" "); }; + + CodeMirror.defineMIME("text/x-cython", { + name: "python", + extra_keywords: words("by cdef cimport cpdef ctypedef enum except"+ + "extern gil include nogil property public"+ + "readonly struct union DEF IF ELIF ELSE") + }); + +}); |