python.js
347 lines
| 12.2 KiB
| application/javascript
|
JavascriptLexer
r1 | // 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"; | ||||
r346 | var singleDelimiters = parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.]/; | |||
var doubleOperators = parserConf.doubleOperators || /^([!<>]==|<>|<<|>>|\/\/|\*\*)/; | ||||
var doubleDelimiters = parserConf.doubleDelimiters || /^(\+=|\-=|\*=|%=|\/=|&=|\|=|\^=)/; | ||||
var tripleDelimiters = parserConf.tripleDelimiters || /^(\/\/=|>>=|<<=|\*\*=)/; | ||||
r1 | ||||
if (parserConf.version && parseInt(parserConf.version, 10) == 3){ | ||||
// since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator | ||||
r346 | var singleOperators = parserConf.singleOperators || /^[\+\-\*\/%&|\^~<>!@]/; | |||
var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/; | ||||
r1 | } else { | |||
r346 | var singleOperators = parserConf.singleOperators || /^[\+\-\*\/%&|\^~<>!]/; | |||
var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*/; | ||||
r1 | } | |||
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)) | ||||
r346 | return "punctuation"; | |||
r1 | ||||
if (stream.match(doubleOperators) || stream.match(singleOperators)) | ||||
return "operator"; | ||||
if (stream.match(singleDelimiters)) | ||||
r346 | return "punctuation"; | |||
if (state.lastToken == "." && stream.match(identifiers)) | ||||
return "property"; | ||||
r1 | ||||
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 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") | ||||
r346 | && state.lastToken == "meta") | |||
r1 | 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}], | ||||
lastToken: null, | ||||
lambda: false, | ||||
dedent: 0 | ||||
}; | ||||
}, | ||||
token: function(stream, state) { | ||||
var addErr = state.errorToken; | ||||
if (addErr) state.errorToken = false; | ||||
var style = tokenLexer(stream, state); | ||||
r346 | if (style && style != "comment") | |||
state.lastToken = (style == "keyword" || style == "punctuation") ? stream.current() : style; | ||||
if (style == "punctuation") style = null; | ||||
r1 | ||||
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") | ||||
}); | ||||
}); | ||||