// 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 || /^[\(\)\[\]\{\}@,:`=;\.]/;
var doubleOperators = parserConf.doubleOperators || /^([!<>]==|<>|<<|>>|\/\/|\*\*)/;
var doubleDelimiters = parserConf.doubleDelimiters || /^(\+=|\-=|\*=|%=|\/=|&=|\|=|\^=)/;
var tripleDelimiters = parserConf.tripleDelimiters || /^(\/\/=|>>=|<<=|\*\*=)/;
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 || /^[\+\-\*\/%&|\^~<>!@]/;
var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/;
} else {
var singleOperators = parserConf.singleOperators || /^[\+\-\*\/%&|\^~<>!]/;
var identifiers = parserConf.identifiers|| /^[_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) {
if (stream.sol()) state.indent = stream.indentation()
// 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)
pushPyScope(state);
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 "punctuation";
if (stream.match(doubleOperators) || stream.match(singleOperators))
return "operator";
if (stream.match(singleDelimiters))
return "punctuation";
if (state.lastToken == "." && stream.match(identifiers))
return "property";
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 pushPyScope(state) {
while (top(state).type != "py") state.scopes.pop()
state.scopes.push({offset: top(state).offset + conf.indentUnit,
type: "py",
align: null})
}
function pushBracketScope(stream, state, type) {
var align = stream.match(/^([\s\[\{\(]|#.*)*$/, false) ? null : stream.column() + 1
state.scopes.push({offset: state.indent + hangingIndent,
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")
&& state.lastToken == "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")
pushPyScope(state);
var delimiter_index = current.length == 1 ? "[({".indexOf(current) : -1;
if (delimiter_index != -1)
pushBracketScope(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
delimiter_index = "])}".indexOf(current);
if (delimiter_index != -1) {
if (top(state).type == current) state.indent = state.scopes.pop().offset - hangingIndent
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}],
indent: basecolumn || 0,
lastToken: null,
lambda: false,
dedent: 0
};
},
token: function(stream, state) {
var addErr = state.errorToken;
if (addErr) state.errorToken = false;
var style = tokenLexer(stream, state);
if (style && style != "comment")
state.lastToken = (style == "keyword" || style == "punctuation") ? stream.current() : style;
if (style == "punctuation") style = null;
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), closing = scope.type == textAfter.charAt(0)
if (scope.align != null)
return scope.align - (closing ? 1 : 0)
else
return scope.offset - (closing ? hangingIndent : 0)
},
electricInput: /^\s*[\}\]\)]$/,
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")
});
});
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