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static.plugins.codemirror.mode.python.python.js Maven / Gradle / Ivy
// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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__"];
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 delimiters = parserConf.delimiters || parserConf.singleDelimiters || /^[\(\)\[\]\{\}@,:`=;\.\\]/;
// (Backwards-compatiblity with old, cumbersome config system)
var operators = [parserConf.singleOperators, parserConf.doubleOperators, parserConf.doubleDelimiters, parserConf.tripleDelimiters,
parserConf.operators || /^([-+*/%\/&|^]=?|[<>=]+|\/\/=?|\*\*=?|!=|[~!@])/]
for (var i = 0; i < operators.length; i++) if (!operators[i]) operators.splice(i--, 1)
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);
var py3 = !(parserConf.version && Number(parserConf.version) < 3)
if (py3) {
// since http://legacy.python.org/dev/peps/pep-0465/ @ is also an operator
var identifiers = parserConf.identifiers|| /^[_A-Za-z\u00A1-\uFFFF][_A-Za-z0-9\u00A1-\uFFFF]*/;
myKeywords = myKeywords.concat(["nonlocal", "False", "True", "None", "async", "await"]);
myBuiltins = myBuiltins.concat(["ascii", "bytes", "exec", "print"]);
var stringPrefixes = new RegExp("^(([rbuf]|(br)|(fr))?('{3}|\"{3}|['\"]))", "i");
} else {
var identifiers = parserConf.identifiers|| /^[_A-Za-z][_A-Za-z0-9]*/;
myKeywords = myKeywords.concat(["exec", "print"]);
myBuiltins = myBuiltins.concat(["apply", "basestring", "buffer", "cmp", "coerce", "execfile",
"file", "intern", "long", "raw_input", "reduce", "reload",
"unichr", "unicode", "xrange", "False", "True", "None"]);
var stringPrefixes = new RegExp("^(([rubf]|(ur)|(br))?('{3}|\"{3}|['\"]))", "i");
}
var keywords = wordRegexp(myKeywords);
var builtins = wordRegexp(myBuiltins);
// tokenizers
function tokenBase(stream, state) {
var sol = stream.sol() && state.lastToken != "\\"
if (sol) state.indent = stream.indentation()
// Handle scope changes
if (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) && stream.peek() != "#")
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;
// Handle Comments
if (stream.match(/^#.*/)) 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)) {
var isFmtString = stream.current().toLowerCase().indexOf('f') !== -1;
if (!isFmtString) {
state.tokenize = tokenStringFactory(stream.current());
return state.tokenize(stream, state);
} else {
state.tokenize = formatStringFactory(stream.current(), state.tokenize);
return state.tokenize(stream, state);
}
}
for (var i = 0; i < operators.length; i++)
if (stream.match(operators[i])) return "operator"
if (stream.match(delimiters)) 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 formatStringFactory(delimiter, tokenOuter) {
while ("rubf".indexOf(delimiter.charAt(0).toLowerCase()) >= 0)
delimiter = delimiter.substr(1);
var singleline = delimiter.length == 1;
var OUTCLASS = "string";
function tokenFString(stream, state) {
// inside f-str Expression
if (stream.match(delimiter)) {
// expression ends pre-maturally, but very common in editing
// Could show error to remind users to close brace here
state.tokenize = tokenString
return OUTCLASS;
} else if (stream.match('{')) {
// starting brace, if not eaten below
return "punctuation";
} else if (stream.match('}')) {
// return to regular inside string state
state.tokenize = tokenString
return "punctuation";
} else {
// use tokenBaseInner to parse the expression
return tokenBaseInner(stream, state);
}
}
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 = tokenOuter;
return OUTCLASS;
} else if (stream.match('{{')) {
// ignore {{ in f-str
return OUTCLASS;
} else if (stream.match('{', false)) {
// switch to nested mode
state.tokenize = tokenFString
if (stream.current()) {
return OUTCLASS;
} else {
// need to return something, so eat the starting {
stream.next();
return "punctuation";
}
} else if (stream.match('}}')) {
return OUTCLASS;
} else if (stream.match('}')) {
// single } in f-string is an error
return ERRORCLASS;
} else {
stream.eat(/['"]/);
}
}
if (singleline) {
if (parserConf.singleLineStringErrors)
return ERRORCLASS;
else
state.tokenize = tokenOuter;
}
return OUTCLASS;
}
tokenString.isString = true;
return tokenString;
}
function tokenStringFactory(delimiter) {
while ("rubf".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 (state.scopes.length > 1 && top(state).offset > indented) {
if (top(state).type != "py") return true;
state.scopes.pop();
}
return top(state).offset != indented;
}
function tokenLexer(stream, state) {
if (stream.sol()) state.beginningOfLine = true;
var style = state.tokenize(stream, state);
var current = stream.current();
// Handle decorators
if (state.beginningOfLine && current == "@")
return stream.match(identifiers, false) ? "meta" : py3 ? "operator" : ERRORCLASS;
if (/\S/.test(current)) state.beginningOfLine = false;
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);
if (current.length == 1 && !/string|comment/.test(style)) {
var delimiter_index = "[({".indexOf(current);
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")
});
});
