931 lines
37 KiB
JavaScript
931 lines
37 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
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// Distributed under an MIT license: https://codemirror.net/LICENSE
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(function(mod) {
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if (typeof exports == "object" && typeof module == "object") // CommonJS
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mod(require("../../lib/codemirror"));
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else if (typeof define == "function" && define.amd) // AMD
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define(["../../lib/codemirror"], mod);
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else // Plain browser env
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mod(CodeMirror);
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})(function(CodeMirror) {
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"use strict";
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CodeMirror.defineMode("javascript", function(config, parserConfig) {
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var indentUnit = config.indentUnit;
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var statementIndent = parserConfig.statementIndent;
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var jsonldMode = parserConfig.jsonld;
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var jsonMode = parserConfig.json || jsonldMode;
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var isTS = parserConfig.typescript;
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var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/;
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// Tokenizer
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var keywords = function(){
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function kw(type) {return {type: type, style: "keyword"};}
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var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d");
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var operator = kw("operator"), atom = {type: "atom", style: "atom"};
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return {
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"if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
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"return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C,
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"debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"),
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"function": kw("function"), "catch": kw("catch"),
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"for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
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"in": operator, "typeof": operator, "instanceof": operator,
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"true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
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"this": kw("this"), "class": kw("class"), "super": kw("atom"),
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"yield": C, "export": kw("export"), "import": kw("import"), "extends": C,
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"await": C
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};
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}();
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var isOperatorChar = /[+\-*&%=<>!?|~^@]/;
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var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;
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function readRegexp(stream) {
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var escaped = false, next, inSet = false;
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while ((next = stream.next()) != null) {
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if (!escaped) {
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if (next == "/" && !inSet) return;
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if (next == "[") inSet = true;
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else if (inSet && next == "]") inSet = false;
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}
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escaped = !escaped && next == "\\";
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}
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}
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// Used as scratch variables to communicate multiple values without
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// consing up tons of objects.
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var type, content;
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function ret(tp, style, cont) {
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type = tp; content = cont;
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return style;
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}
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function tokenBase(stream, state) {
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var ch = stream.next();
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if (ch == '"' || ch == "'") {
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state.tokenize = tokenString(ch);
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return state.tokenize(stream, state);
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} else if (ch == "." && stream.match(/^\d[\d_]*(?:[eE][+\-]?[\d_]+)?/)) {
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return ret("number", "number");
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} else if (ch == "." && stream.match("..")) {
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return ret("spread", "meta");
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} else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
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return ret(ch);
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} else if (ch == "=" && stream.eat(">")) {
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return ret("=>", "operator");
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} else if (ch == "0" && stream.match(/^(?:x[\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) {
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return ret("number", "number");
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} else if (/\d/.test(ch)) {
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stream.match(/^[\d_]*(?:n|(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)?/);
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return ret("number", "number");
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} else if (ch == "/") {
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if (stream.eat("*")) {
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state.tokenize = tokenComment;
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return tokenComment(stream, state);
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} else if (stream.eat("/")) {
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stream.skipToEnd();
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return ret("comment", "comment");
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} else if (expressionAllowed(stream, state, 1)) {
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readRegexp(stream);
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stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/);
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return ret("regexp", "string-2");
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} else {
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stream.eat("=");
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return ret("operator", "operator", stream.current());
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}
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} else if (ch == "`") {
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state.tokenize = tokenQuasi;
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return tokenQuasi(stream, state);
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} else if (ch == "#") {
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stream.skipToEnd();
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return ret("error", "error");
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} else if (ch == "<" && stream.match("!--") || ch == "-" && stream.match("->")) {
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stream.skipToEnd()
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return ret("comment", "comment")
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} else if (isOperatorChar.test(ch)) {
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if (ch != ">" || !state.lexical || state.lexical.type != ">") {
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if (stream.eat("=")) {
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if (ch == "!" || ch == "=") stream.eat("=")
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} else if (/[<>*+\-]/.test(ch)) {
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stream.eat(ch)
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if (ch == ">") stream.eat(ch)
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}
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}
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return ret("operator", "operator", stream.current());
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} else if (wordRE.test(ch)) {
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stream.eatWhile(wordRE);
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var word = stream.current()
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if (state.lastType != ".") {
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if (keywords.propertyIsEnumerable(word)) {
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var kw = keywords[word]
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return ret(kw.type, kw.style, word)
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}
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if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\[\(\w]/, false))
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return ret("async", "keyword", word)
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}
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return ret("variable", "variable", word)
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}
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}
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function tokenString(quote) {
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return function(stream, state) {
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var escaped = false, next;
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if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
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state.tokenize = tokenBase;
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return ret("jsonld-keyword", "meta");
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}
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while ((next = stream.next()) != null) {
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if (next == quote && !escaped) break;
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escaped = !escaped && next == "\\";
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}
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if (!escaped) state.tokenize = tokenBase;
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return ret("string", "string");
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};
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}
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function tokenComment(stream, state) {
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var maybeEnd = false, ch;
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while (ch = stream.next()) {
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if (ch == "/" && maybeEnd) {
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state.tokenize = tokenBase;
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break;
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}
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maybeEnd = (ch == "*");
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}
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return ret("comment", "comment");
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}
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function tokenQuasi(stream, state) {
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var escaped = false, next;
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while ((next = stream.next()) != null) {
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if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) {
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state.tokenize = tokenBase;
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break;
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}
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escaped = !escaped && next == "\\";
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}
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return ret("quasi", "string-2", stream.current());
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}
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var brackets = "([{}])";
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// This is a crude lookahead trick to try and notice that we're
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// parsing the argument patterns for a fat-arrow function before we
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// actually hit the arrow token. It only works if the arrow is on
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// the same line as the arguments and there's no strange noise
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// (comments) in between. Fallback is to only notice when we hit the
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// arrow, and not declare the arguments as locals for the arrow
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// body.
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function findFatArrow(stream, state) {
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if (state.fatArrowAt) state.fatArrowAt = null;
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var arrow = stream.string.indexOf("=>", stream.start);
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if (arrow < 0) return;
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if (isTS) { // Try to skip TypeScript return type declarations after the arguments
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var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow))
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if (m) arrow = m.index
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}
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var depth = 0, sawSomething = false;
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for (var pos = arrow - 1; pos >= 0; --pos) {
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var ch = stream.string.charAt(pos);
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var bracket = brackets.indexOf(ch);
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if (bracket >= 0 && bracket < 3) {
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if (!depth) { ++pos; break; }
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if (--depth == 0) { if (ch == "(") sawSomething = true; break; }
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} else if (bracket >= 3 && bracket < 6) {
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++depth;
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} else if (wordRE.test(ch)) {
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sawSomething = true;
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} else if (/["'\/`]/.test(ch)) {
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for (;; --pos) {
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if (pos == 0) return
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var next = stream.string.charAt(pos - 1)
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if (next == ch && stream.string.charAt(pos - 2) != "\\") { pos--; break }
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}
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} else if (sawSomething && !depth) {
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++pos;
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break;
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}
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}
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if (sawSomething && !depth) state.fatArrowAt = pos;
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}
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// Parser
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var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true};
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function JSLexical(indented, column, type, align, prev, info) {
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this.indented = indented;
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this.column = column;
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this.type = type;
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this.prev = prev;
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this.info = info;
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if (align != null) this.align = align;
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}
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function inScope(state, varname) {
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for (var v = state.localVars; v; v = v.next)
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if (v.name == varname) return true;
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for (var cx = state.context; cx; cx = cx.prev) {
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for (var v = cx.vars; v; v = v.next)
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if (v.name == varname) return true;
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}
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}
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function parseJS(state, style, type, content, stream) {
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var cc = state.cc;
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// Communicate our context to the combinators.
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// (Less wasteful than consing up a hundred closures on every call.)
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cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;
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if (!state.lexical.hasOwnProperty("align"))
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state.lexical.align = true;
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while(true) {
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var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
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if (combinator(type, content)) {
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while(cc.length && cc[cc.length - 1].lex)
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cc.pop()();
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if (cx.marked) return cx.marked;
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if (type == "variable" && inScope(state, content)) return "variable-2";
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return style;
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}
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}
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}
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// Combinator utils
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var cx = {state: null, column: null, marked: null, cc: null};
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function pass() {
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for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
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}
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function cont() {
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pass.apply(null, arguments);
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return true;
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}
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function inList(name, list) {
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for (var v = list; v; v = v.next) if (v.name == name) return true
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return false;
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}
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function register(varname) {
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var state = cx.state;
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cx.marked = "def";
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if (state.context) {
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if (state.lexical.info == "var" && state.context && state.context.block) {
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// FIXME function decls are also not block scoped
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var newContext = registerVarScoped(varname, state.context)
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if (newContext != null) {
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state.context = newContext
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return
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}
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} else if (!inList(varname, state.localVars)) {
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state.localVars = new Var(varname, state.localVars)
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return
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}
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}
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// Fall through means this is global
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if (parserConfig.globalVars && !inList(varname, state.globalVars))
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state.globalVars = new Var(varname, state.globalVars)
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}
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function registerVarScoped(varname, context) {
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if (!context) {
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return null
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} else if (context.block) {
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var inner = registerVarScoped(varname, context.prev)
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if (!inner) return null
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if (inner == context.prev) return context
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return new Context(inner, context.vars, true)
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} else if (inList(varname, context.vars)) {
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return context
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} else {
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return new Context(context.prev, new Var(varname, context.vars), false)
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}
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}
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function isModifier(name) {
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return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly"
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}
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// Combinators
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function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block }
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function Var(name, next) { this.name = name; this.next = next }
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var defaultVars = new Var("this", new Var("arguments", null))
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function pushcontext() {
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cx.state.context = new Context(cx.state.context, cx.state.localVars, false)
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cx.state.localVars = defaultVars
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}
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function pushblockcontext() {
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cx.state.context = new Context(cx.state.context, cx.state.localVars, true)
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cx.state.localVars = null
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}
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function popcontext() {
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cx.state.localVars = cx.state.context.vars
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cx.state.context = cx.state.context.prev
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}
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popcontext.lex = true
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function pushlex(type, info) {
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var result = function() {
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var state = cx.state, indent = state.indented;
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if (state.lexical.type == "stat") indent = state.lexical.indented;
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else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev)
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indent = outer.indented;
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state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
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};
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result.lex = true;
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return result;
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}
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function poplex() {
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var state = cx.state;
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if (state.lexical.prev) {
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if (state.lexical.type == ")")
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state.indented = state.lexical.indented;
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state.lexical = state.lexical.prev;
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}
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}
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poplex.lex = true;
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function expect(wanted) {
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function exp(type) {
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if (type == wanted) return cont();
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else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass();
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else return cont(exp);
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};
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return exp;
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}
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function statement(type, value) {
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if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex);
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if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex);
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if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
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if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex);
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if (type == "debugger") return cont(expect(";"));
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if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext);
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if (type == ";") return cont();
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if (type == "if") {
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if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
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cx.state.cc.pop()();
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return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse);
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}
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if (type == "function") return cont(functiondef);
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if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
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if (type == "class" || (isTS && value == "interface")) {
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cx.marked = "keyword"
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return cont(pushlex("form", type == "class" ? type : value), className, poplex)
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}
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if (type == "variable") {
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if (isTS && value == "declare") {
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cx.marked = "keyword"
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return cont(statement)
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} else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) {
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cx.marked = "keyword"
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if (value == "enum") return cont(enumdef);
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else if (value == "type") return cont(typename, expect("operator"), typeexpr, expect(";"));
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else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
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} else if (isTS && value == "namespace") {
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cx.marked = "keyword"
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return cont(pushlex("form"), expression, statement, poplex)
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} else if (isTS && value == "abstract") {
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cx.marked = "keyword"
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return cont(statement)
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} else {
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return cont(pushlex("stat"), maybelabel);
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}
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}
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if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext,
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block, poplex, poplex, popcontext);
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if (type == "case") return cont(expression, expect(":"));
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if (type == "default") return cont(expect(":"));
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if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);
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if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
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if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
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if (type == "async") return cont(statement)
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if (value == "@") return cont(expression, statement)
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return pass(pushlex("stat"), expression, expect(";"), poplex);
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}
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function maybeCatchBinding(type) {
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if (type == "(") return cont(funarg, expect(")"))
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}
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function expression(type, value) {
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return expressionInner(type, value, false);
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}
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function expressionNoComma(type, value) {
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return expressionInner(type, value, true);
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}
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function parenExpr(type) {
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if (type != "(") return pass()
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return cont(pushlex(")"), expression, expect(")"), poplex)
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}
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function expressionInner(type, value, noComma) {
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if (cx.state.fatArrowAt == cx.stream.start) {
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var body = noComma ? arrowBodyNoComma : arrowBody;
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if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext);
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else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
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}
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var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
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if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
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if (type == "function") return cont(functiondef, maybeop);
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if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); }
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if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression);
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if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop);
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if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
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if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
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if (type == "{") return contCommasep(objprop, "}", null, maybeop);
|
|
if (type == "quasi") return pass(quasi, maybeop);
|
|
if (type == "new") return cont(maybeTarget(noComma));
|
|
if (type == "import") return cont(expression);
|
|
return cont();
|
|
}
|
|
function maybeexpression(type) {
|
|
if (type.match(/[;\}\)\],]/)) return pass();
|
|
return pass(expression);
|
|
}
|
|
|
|
function maybeoperatorComma(type, value) {
|
|
if (type == ",") return cont(expression);
|
|
return maybeoperatorNoComma(type, value, false);
|
|
}
|
|
function maybeoperatorNoComma(type, value, noComma) {
|
|
var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
|
|
var expr = noComma == false ? expression : expressionNoComma;
|
|
if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
|
|
if (type == "operator") {
|
|
if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me);
|
|
if (isTS && value == "<" && cx.stream.match(/^([^>]|<.*?>)*>\s*\(/, false))
|
|
return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me);
|
|
if (value == "?") return cont(expression, expect(":"), expr);
|
|
return cont(expr);
|
|
}
|
|
if (type == "quasi") { return pass(quasi, me); }
|
|
if (type == ";") return;
|
|
if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
|
|
if (type == ".") return cont(property, me);
|
|
if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
|
|
if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) }
|
|
if (type == "regexp") {
|
|
cx.state.lastType = cx.marked = "operator"
|
|
cx.stream.backUp(cx.stream.pos - cx.stream.start - 1)
|
|
return cont(expr)
|
|
}
|
|
}
|
|
function quasi(type, value) {
|
|
if (type != "quasi") return pass();
|
|
if (value.slice(value.length - 2) != "${") return cont(quasi);
|
|
return cont(expression, continueQuasi);
|
|
}
|
|
function continueQuasi(type) {
|
|
if (type == "}") {
|
|
cx.marked = "string-2";
|
|
cx.state.tokenize = tokenQuasi;
|
|
return cont(quasi);
|
|
}
|
|
}
|
|
function arrowBody(type) {
|
|
findFatArrow(cx.stream, cx.state);
|
|
return pass(type == "{" ? statement : expression);
|
|
}
|
|
function arrowBodyNoComma(type) {
|
|
findFatArrow(cx.stream, cx.state);
|
|
return pass(type == "{" ? statement : expressionNoComma);
|
|
}
|
|
function maybeTarget(noComma) {
|
|
return function(type) {
|
|
if (type == ".") return cont(noComma ? targetNoComma : target);
|
|
else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)
|
|
else return pass(noComma ? expressionNoComma : expression);
|
|
};
|
|
}
|
|
function target(_, value) {
|
|
if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); }
|
|
}
|
|
function targetNoComma(_, value) {
|
|
if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); }
|
|
}
|
|
function maybelabel(type) {
|
|
if (type == ":") return cont(poplex, statement);
|
|
return pass(maybeoperatorComma, expect(";"), poplex);
|
|
}
|
|
function property(type) {
|
|
if (type == "variable") {cx.marked = "property"; return cont();}
|
|
}
|
|
function objprop(type, value) {
|
|
if (type == "async") {
|
|
cx.marked = "property";
|
|
return cont(objprop);
|
|
} else if (type == "variable" || cx.style == "keyword") {
|
|
cx.marked = "property";
|
|
if (value == "get" || value == "set") return cont(getterSetter);
|
|
var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params
|
|
if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false)))
|
|
cx.state.fatArrowAt = cx.stream.pos + m[0].length
|
|
return cont(afterprop);
|
|
} else if (type == "number" || type == "string") {
|
|
cx.marked = jsonldMode ? "property" : (cx.style + " property");
|
|
return cont(afterprop);
|
|
} else if (type == "jsonld-keyword") {
|
|
return cont(afterprop);
|
|
} else if (isTS && isModifier(value)) {
|
|
cx.marked = "keyword"
|
|
return cont(objprop)
|
|
} else if (type == "[") {
|
|
return cont(expression, maybetype, expect("]"), afterprop);
|
|
} else if (type == "spread") {
|
|
return cont(expressionNoComma, afterprop);
|
|
} else if (value == "*") {
|
|
cx.marked = "keyword";
|
|
return cont(objprop);
|
|
} else if (type == ":") {
|
|
return pass(afterprop)
|
|
}
|
|
}
|
|
function getterSetter(type) {
|
|
if (type != "variable") return pass(afterprop);
|
|
cx.marked = "property";
|
|
return cont(functiondef);
|
|
}
|
|
function afterprop(type) {
|
|
if (type == ":") return cont(expressionNoComma);
|
|
if (type == "(") return pass(functiondef);
|
|
}
|
|
function commasep(what, end, sep) {
|
|
function proceed(type, value) {
|
|
if (sep ? sep.indexOf(type) > -1 : type == ",") {
|
|
var lex = cx.state.lexical;
|
|
if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
|
|
return cont(function(type, value) {
|
|
if (type == end || value == end) return pass()
|
|
return pass(what)
|
|
}, proceed);
|
|
}
|
|
if (type == end || value == end) return cont();
|
|
if (sep && sep.indexOf(";") > -1) return pass(what)
|
|
return cont(expect(end));
|
|
}
|
|
return function(type, value) {
|
|
if (type == end || value == end) return cont();
|
|
return pass(what, proceed);
|
|
};
|
|
}
|
|
function contCommasep(what, end, info) {
|
|
for (var i = 3; i < arguments.length; i++)
|
|
cx.cc.push(arguments[i]);
|
|
return cont(pushlex(end, info), commasep(what, end), poplex);
|
|
}
|
|
function block(type) {
|
|
if (type == "}") return cont();
|
|
return pass(statement, block);
|
|
}
|
|
function maybetype(type, value) {
|
|
if (isTS) {
|
|
if (type == ":") return cont(typeexpr);
|
|
if (value == "?") return cont(maybetype);
|
|
}
|
|
}
|
|
function maybetypeOrIn(type, value) {
|
|
if (isTS && (type == ":" || value == "in")) return cont(typeexpr)
|
|
}
|
|
function mayberettype(type) {
|
|
if (isTS && type == ":") {
|
|
if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr)
|
|
else return cont(typeexpr)
|
|
}
|
|
}
|
|
function isKW(_, value) {
|
|
if (value == "is") {
|
|
cx.marked = "keyword"
|
|
return cont()
|
|
}
|
|
}
|
|
function typeexpr(type, value) {
|
|
if (value == "keyof" || value == "typeof" || value == "infer") {
|
|
cx.marked = "keyword"
|
|
return cont(value == "typeof" ? expressionNoComma : typeexpr)
|
|
}
|
|
if (type == "variable" || value == "void") {
|
|
cx.marked = "type"
|
|
return cont(afterType)
|
|
}
|
|
if (value == "|" || value == "&") return cont(typeexpr)
|
|
if (type == "string" || type == "number" || type == "atom") return cont(afterType);
|
|
if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType)
|
|
if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType)
|
|
if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType, afterType)
|
|
if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr)
|
|
}
|
|
function maybeReturnType(type) {
|
|
if (type == "=>") return cont(typeexpr)
|
|
}
|
|
function typeprop(type, value) {
|
|
if (type == "variable" || cx.style == "keyword") {
|
|
cx.marked = "property"
|
|
return cont(typeprop)
|
|
} else if (value == "?" || type == "number" || type == "string") {
|
|
return cont(typeprop)
|
|
} else if (type == ":") {
|
|
return cont(typeexpr)
|
|
} else if (type == "[") {
|
|
return cont(expect("variable"), maybetypeOrIn, expect("]"), typeprop)
|
|
} else if (type == "(") {
|
|
return pass(functiondecl, typeprop)
|
|
}
|
|
}
|
|
function typearg(type, value) {
|
|
if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg)
|
|
if (type == ":") return cont(typeexpr)
|
|
if (type == "spread") return cont(typearg)
|
|
return pass(typeexpr)
|
|
}
|
|
function afterType(type, value) {
|
|
if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
|
|
if (value == "|" || type == "." || value == "&") return cont(typeexpr)
|
|
if (type == "[") return cont(typeexpr, expect("]"), afterType)
|
|
if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) }
|
|
if (value == "?") return cont(typeexpr, expect(":"), typeexpr)
|
|
}
|
|
function maybeTypeArgs(_, value) {
|
|
if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
|
|
}
|
|
function typeparam() {
|
|
return pass(typeexpr, maybeTypeDefault)
|
|
}
|
|
function maybeTypeDefault(_, value) {
|
|
if (value == "=") return cont(typeexpr)
|
|
}
|
|
function vardef(_, value) {
|
|
if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)}
|
|
return pass(pattern, maybetype, maybeAssign, vardefCont);
|
|
}
|
|
function pattern(type, value) {
|
|
if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) }
|
|
if (type == "variable") { register(value); return cont(); }
|
|
if (type == "spread") return cont(pattern);
|
|
if (type == "[") return contCommasep(eltpattern, "]");
|
|
if (type == "{") return contCommasep(proppattern, "}");
|
|
}
|
|
function proppattern(type, value) {
|
|
if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
|
|
register(value);
|
|
return cont(maybeAssign);
|
|
}
|
|
if (type == "variable") cx.marked = "property";
|
|
if (type == "spread") return cont(pattern);
|
|
if (type == "}") return pass();
|
|
if (type == "[") return cont(expression, expect(']'), expect(':'), proppattern);
|
|
return cont(expect(":"), pattern, maybeAssign);
|
|
}
|
|
function eltpattern() {
|
|
return pass(pattern, maybeAssign)
|
|
}
|
|
function maybeAssign(_type, value) {
|
|
if (value == "=") return cont(expressionNoComma);
|
|
}
|
|
function vardefCont(type) {
|
|
if (type == ",") return cont(vardef);
|
|
}
|
|
function maybeelse(type, value) {
|
|
if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
|
|
}
|
|
function forspec(type, value) {
|
|
if (value == "await") return cont(forspec);
|
|
if (type == "(") return cont(pushlex(")"), forspec1, poplex);
|
|
}
|
|
function forspec1(type) {
|
|
if (type == "var") return cont(vardef, forspec2);
|
|
if (type == "variable") return cont(forspec2);
|
|
return pass(forspec2)
|
|
}
|
|
function forspec2(type, value) {
|
|
if (type == ")") return cont()
|
|
if (type == ";") return cont(forspec2)
|
|
if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression, forspec2) }
|
|
return pass(expression, forspec2)
|
|
}
|
|
function functiondef(type, value) {
|
|
if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
|
|
if (type == "variable") {register(value); return cont(functiondef);}
|
|
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext);
|
|
if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef)
|
|
}
|
|
function functiondecl(type, value) {
|
|
if (value == "*") {cx.marked = "keyword"; return cont(functiondecl);}
|
|
if (type == "variable") {register(value); return cont(functiondecl);}
|
|
if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, popcontext);
|
|
if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondecl)
|
|
}
|
|
function typename(type, value) {
|
|
if (type == "keyword" || type == "variable") {
|
|
cx.marked = "type"
|
|
return cont(typename)
|
|
} else if (value == "<") {
|
|
return cont(pushlex(">"), commasep(typeparam, ">"), poplex)
|
|
}
|
|
}
|
|
function funarg(type, value) {
|
|
if (value == "@") cont(expression, funarg)
|
|
if (type == "spread") return cont(funarg);
|
|
if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); }
|
|
if (isTS && type == "this") return cont(maybetype, maybeAssign)
|
|
return pass(pattern, maybetype, maybeAssign);
|
|
}
|
|
function classExpression(type, value) {
|
|
// Class expressions may have an optional name.
|
|
if (type == "variable") return className(type, value);
|
|
return classNameAfter(type, value);
|
|
}
|
|
function className(type, value) {
|
|
if (type == "variable") {register(value); return cont(classNameAfter);}
|
|
}
|
|
function classNameAfter(type, value) {
|
|
if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter)
|
|
if (value == "extends" || value == "implements" || (isTS && type == ",")) {
|
|
if (value == "implements") cx.marked = "keyword";
|
|
return cont(isTS ? typeexpr : expression, classNameAfter);
|
|
}
|
|
if (type == "{") return cont(pushlex("}"), classBody, poplex);
|
|
}
|
|
function classBody(type, value) {
|
|
if (type == "async" ||
|
|
(type == "variable" &&
|
|
(value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) &&
|
|
cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false))) {
|
|
cx.marked = "keyword";
|
|
return cont(classBody);
|
|
}
|
|
if (type == "variable" || cx.style == "keyword") {
|
|
cx.marked = "property";
|
|
return cont(isTS ? classfield : functiondef, classBody);
|
|
}
|
|
if (type == "number" || type == "string") return cont(isTS ? classfield : functiondef, classBody);
|
|
if (type == "[")
|
|
return cont(expression, maybetype, expect("]"), isTS ? classfield : functiondef, classBody)
|
|
if (value == "*") {
|
|
cx.marked = "keyword";
|
|
return cont(classBody);
|
|
}
|
|
if (isTS && type == "(") return pass(functiondecl, classBody)
|
|
if (type == ";" || type == ",") return cont(classBody);
|
|
if (type == "}") return cont();
|
|
if (value == "@") return cont(expression, classBody)
|
|
}
|
|
function classfield(type, value) {
|
|
if (value == "?") return cont(classfield)
|
|
if (type == ":") return cont(typeexpr, maybeAssign)
|
|
if (value == "=") return cont(expressionNoComma)
|
|
var context = cx.state.lexical.prev, isInterface = context && context.info == "interface"
|
|
return pass(isInterface ? functiondecl : functiondef)
|
|
}
|
|
function afterExport(type, value) {
|
|
if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
|
|
if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
|
|
if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";"));
|
|
return pass(statement);
|
|
}
|
|
function exportField(type, value) {
|
|
if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); }
|
|
if (type == "variable") return pass(expressionNoComma, exportField);
|
|
}
|
|
function afterImport(type) {
|
|
if (type == "string") return cont();
|
|
if (type == "(") return pass(expression);
|
|
return pass(importSpec, maybeMoreImports, maybeFrom);
|
|
}
|
|
function importSpec(type, value) {
|
|
if (type == "{") return contCommasep(importSpec, "}");
|
|
if (type == "variable") register(value);
|
|
if (value == "*") cx.marked = "keyword";
|
|
return cont(maybeAs);
|
|
}
|
|
function maybeMoreImports(type) {
|
|
if (type == ",") return cont(importSpec, maybeMoreImports)
|
|
}
|
|
function maybeAs(_type, value) {
|
|
if (value == "as") { cx.marked = "keyword"; return cont(importSpec); }
|
|
}
|
|
function maybeFrom(_type, value) {
|
|
if (value == "from") { cx.marked = "keyword"; return cont(expression); }
|
|
}
|
|
function arrayLiteral(type) {
|
|
if (type == "]") return cont();
|
|
return pass(commasep(expressionNoComma, "]"));
|
|
}
|
|
function enumdef() {
|
|
return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex)
|
|
}
|
|
function enummember() {
|
|
return pass(pattern, maybeAssign);
|
|
}
|
|
|
|
function isContinuedStatement(state, textAfter) {
|
|
return state.lastType == "operator" || state.lastType == "," ||
|
|
isOperatorChar.test(textAfter.charAt(0)) ||
|
|
/[,.]/.test(textAfter.charAt(0));
|
|
}
|
|
|
|
function expressionAllowed(stream, state, backUp) {
|
|
return state.tokenize == tokenBase &&
|
|
/^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) ||
|
|
(state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))
|
|
}
|
|
|
|
// Interface
|
|
|
|
return {
|
|
startState: function(basecolumn) {
|
|
var state = {
|
|
tokenize: tokenBase,
|
|
lastType: "sof",
|
|
cc: [],
|
|
lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
|
|
localVars: parserConfig.localVars,
|
|
context: parserConfig.localVars && new Context(null, null, false),
|
|
indented: basecolumn || 0
|
|
};
|
|
if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
|
|
state.globalVars = parserConfig.globalVars;
|
|
return state;
|
|
},
|
|
|
|
token: function(stream, state) {
|
|
if (stream.sol()) {
|
|
if (!state.lexical.hasOwnProperty("align"))
|
|
state.lexical.align = false;
|
|
state.indented = stream.indentation();
|
|
findFatArrow(stream, state);
|
|
}
|
|
if (state.tokenize != tokenComment && stream.eatSpace()) return null;
|
|
var style = state.tokenize(stream, state);
|
|
if (type == "comment") return style;
|
|
state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type;
|
|
return parseJS(state, style, type, content, stream);
|
|
},
|
|
|
|
indent: function(state, textAfter) {
|
|
if (state.tokenize == tokenComment) return CodeMirror.Pass;
|
|
if (state.tokenize != tokenBase) return 0;
|
|
var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top
|
|
// Kludge to prevent 'maybelse' from blocking lexical scope pops
|
|
if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
|
|
var c = state.cc[i];
|
|
if (c == poplex) lexical = lexical.prev;
|
|
else if (c != maybeelse) break;
|
|
}
|
|
while ((lexical.type == "stat" || lexical.type == "form") &&
|
|
(firstChar == "}" || ((top = state.cc[state.cc.length - 1]) &&
|
|
(top == maybeoperatorComma || top == maybeoperatorNoComma) &&
|
|
!/^[,\.=+\-*:?[\(]/.test(textAfter))))
|
|
lexical = lexical.prev;
|
|
if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
|
|
lexical = lexical.prev;
|
|
var type = lexical.type, closing = firstChar == type;
|
|
|
|
if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0);
|
|
else if (type == "form" && firstChar == "{") return lexical.indented;
|
|
else if (type == "form") return lexical.indented + indentUnit;
|
|
else if (type == "stat")
|
|
return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0);
|
|
else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
|
|
return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
|
|
else if (lexical.align) return lexical.column + (closing ? 0 : 1);
|
|
else return lexical.indented + (closing ? 0 : indentUnit);
|
|
},
|
|
|
|
electricInput: /^\s*(?:case .*?:|default:|\{|\})$/,
|
|
blockCommentStart: jsonMode ? null : "/*",
|
|
blockCommentEnd: jsonMode ? null : "*/",
|
|
blockCommentContinue: jsonMode ? null : " * ",
|
|
lineComment: jsonMode ? null : "//",
|
|
fold: "brace",
|
|
closeBrackets: "()[]{}''\"\"``",
|
|
|
|
helperType: jsonMode ? "json" : "javascript",
|
|
jsonldMode: jsonldMode,
|
|
jsonMode: jsonMode,
|
|
|
|
expressionAllowed: expressionAllowed,
|
|
|
|
skipExpression: function(state) {
|
|
var top = state.cc[state.cc.length - 1]
|
|
if (top == expression || top == expressionNoComma) state.cc.pop()
|
|
}
|
|
};
|
|
});
|
|
|
|
CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);
|
|
|
|
CodeMirror.defineMIME("text/javascript", "javascript");
|
|
CodeMirror.defineMIME("text/ecmascript", "javascript");
|
|
CodeMirror.defineMIME("application/javascript", "javascript");
|
|
CodeMirror.defineMIME("application/x-javascript", "javascript");
|
|
CodeMirror.defineMIME("application/ecmascript", "javascript");
|
|
CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
|
|
CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true});
|
|
CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true});
|
|
CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
|
|
CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });
|
|
|
|
});
|