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@@ -0,0 +1,1424 @@
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+import { Node, SourceLocation, Token, addLooseExports, defaultOptions, getLineInfo, isNewLine, lineBreak, lineBreakG, tokTypes, tokenizer } from './acorn.es';
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+
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+function noop() {}
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+
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+// Registered plugins
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+var pluginsLoose = {};
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+
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+var LooseParser = function LooseParser(input, options) {
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+ if ( options === void 0 ) options = {};
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+
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+ this.toks = tokenizer(input, options);
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+ this.options = this.toks.options;
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+ this.input = this.toks.input;
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+ this.tok = this.last = {type: tokTypes.eof, start: 0, end: 0};
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+ this.tok.validateRegExpFlags = noop;
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+ this.tok.validateRegExpPattern = noop;
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+ if (this.options.locations) {
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+ var here = this.toks.curPosition();
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+ this.tok.loc = new SourceLocation(this.toks, here, here);
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+ }
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+ this.ahead = []; // Tokens ahead
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+ this.context = []; // Indentation contexted
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+ this.curIndent = 0;
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+ this.curLineStart = 0;
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+ this.nextLineStart = this.lineEnd(this.curLineStart) + 1;
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+ this.inAsync = false;
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+ this.inFunction = false;
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+ // Load plugins
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+ this.options.pluginsLoose = options.pluginsLoose || {};
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+ this.loadPlugins(this.options.pluginsLoose);
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+};
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+
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+LooseParser.prototype.startNode = function startNode () {
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+ return new Node(this.toks, this.tok.start, this.options.locations ? this.tok.loc.start : null)
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+};
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+
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+LooseParser.prototype.storeCurrentPos = function storeCurrentPos () {
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+ return this.options.locations ? [this.tok.start, this.tok.loc.start] : this.tok.start
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+};
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+
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+LooseParser.prototype.startNodeAt = function startNodeAt (pos) {
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+ if (this.options.locations) {
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+ return new Node(this.toks, pos[0], pos[1])
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+ } else {
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+ return new Node(this.toks, pos)
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+ }
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+};
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+
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+LooseParser.prototype.finishNode = function finishNode (node, type) {
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+ node.type = type;
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+ node.end = this.last.end;
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+ if (this.options.locations)
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+ { node.loc.end = this.last.loc.end; }
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+ if (this.options.ranges)
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+ { node.range[1] = this.last.end; }
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+ return node
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+};
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+
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+LooseParser.prototype.dummyNode = function dummyNode (type) {
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+ var dummy = this.startNode();
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+ dummy.type = type;
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+ dummy.end = dummy.start;
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+ if (this.options.locations)
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+ { dummy.loc.end = dummy.loc.start; }
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+ if (this.options.ranges)
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+ { dummy.range[1] = dummy.start; }
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+ this.last = {type: tokTypes.name, start: dummy.start, end: dummy.start, loc: dummy.loc};
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+ return dummy
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+};
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+
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+LooseParser.prototype.dummyIdent = function dummyIdent () {
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+ var dummy = this.dummyNode("Identifier");
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+ dummy.name = "✖";
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+ return dummy
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+};
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+
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+LooseParser.prototype.dummyString = function dummyString () {
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+ var dummy = this.dummyNode("Literal");
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+ dummy.value = dummy.raw = "✖";
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+ return dummy
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+};
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+
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+LooseParser.prototype.eat = function eat (type) {
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+ if (this.tok.type === type) {
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+ this.next();
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+ return true
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+ } else {
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+ return false
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+ }
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+};
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+
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+LooseParser.prototype.isContextual = function isContextual (name) {
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+ return this.tok.type === tokTypes.name && this.tok.value === name
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+};
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+
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+LooseParser.prototype.eatContextual = function eatContextual (name) {
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+ return this.tok.value === name && this.eat(tokTypes.name)
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+};
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+
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+LooseParser.prototype.canInsertSemicolon = function canInsertSemicolon () {
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+ return this.tok.type === tokTypes.eof || this.tok.type === tokTypes.braceR ||
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+ lineBreak.test(this.input.slice(this.last.end, this.tok.start))
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+};
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+
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+LooseParser.prototype.semicolon = function semicolon () {
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+ return this.eat(tokTypes.semi)
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+};
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+
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+LooseParser.prototype.expect = function expect (type) {
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+ var this$1 = this;
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+
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+ if (this.eat(type)) { return true }
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+ for (var i = 1; i <= 2; i++) {
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+ if (this$1.lookAhead(i).type == type) {
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+ for (var j = 0; j < i; j++) { this$1.next(); }
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+ return true
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+ }
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+ }
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+};
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+
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+LooseParser.prototype.pushCx = function pushCx () {
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+ this.context.push(this.curIndent);
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+};
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+
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+LooseParser.prototype.popCx = function popCx () {
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+ this.curIndent = this.context.pop();
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+};
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+
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+LooseParser.prototype.lineEnd = function lineEnd (pos) {
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+ while (pos < this.input.length && !isNewLine(this.input.charCodeAt(pos))) { ++pos; }
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+ return pos
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+};
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+
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+LooseParser.prototype.indentationAfter = function indentationAfter (pos) {
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+ var this$1 = this;
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+
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+ for (var count = 0;; ++pos) {
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+ var ch = this$1.input.charCodeAt(pos);
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+ if (ch === 32) { ++count; }
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+ else if (ch === 9) { count += this$1.options.tabSize; }
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+ else { return count }
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+ }
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+};
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+
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+LooseParser.prototype.closes = function closes (closeTok, indent, line, blockHeuristic) {
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+ if (this.tok.type === closeTok || this.tok.type === tokTypes.eof) { return true }
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+ return line != this.curLineStart && this.curIndent < indent && this.tokenStartsLine() &&
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+ (!blockHeuristic || this.nextLineStart >= this.input.length ||
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+ this.indentationAfter(this.nextLineStart) < indent)
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+};
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+
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+LooseParser.prototype.tokenStartsLine = function tokenStartsLine () {
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+ var this$1 = this;
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+
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+ for (var p = this.tok.start - 1; p >= this.curLineStart; --p) {
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+ var ch = this$1.input.charCodeAt(p);
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+ if (ch !== 9 && ch !== 32) { return false }
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+ }
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+ return true
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+};
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+
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+LooseParser.prototype.extend = function extend (name, f) {
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+ this[name] = f(this[name]);
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+};
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+
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+LooseParser.prototype.loadPlugins = function loadPlugins (pluginConfigs) {
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+ var this$1 = this;
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+
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+ for (var name in pluginConfigs) {
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+ var plugin = pluginsLoose[name];
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+ if (!plugin) { throw new Error("Plugin '" + name + "' not found") }
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+ plugin(this$1, pluginConfigs[name]);
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+ }
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+};
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+
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+LooseParser.prototype.parse = function parse () {
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+ this.next();
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+ return this.parseTopLevel()
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+};
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+
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+var lp = LooseParser.prototype;
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+
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+function isSpace(ch) {
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+ return (ch < 14 && ch > 8) || ch === 32 || ch === 160 || isNewLine(ch)
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+}
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+
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+lp.next = function() {
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+ var this$1 = this;
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+
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+ this.last = this.tok;
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+ if (this.ahead.length)
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+ { this.tok = this.ahead.shift(); }
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+ else
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+ { this.tok = this.readToken(); }
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+
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+ if (this.tok.start >= this.nextLineStart) {
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+ while (this.tok.start >= this.nextLineStart) {
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+ this$1.curLineStart = this$1.nextLineStart;
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+ this$1.nextLineStart = this$1.lineEnd(this$1.curLineStart) + 1;
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+ }
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+ this.curIndent = this.indentationAfter(this.curLineStart);
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+ }
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+};
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+
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+lp.readToken = function() {
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+ var this$1 = this;
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+
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+ for (;;) {
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+ try {
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+ this$1.toks.next();
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+ if (this$1.toks.type === tokTypes.dot &&
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+ this$1.input.substr(this$1.toks.end, 1) === "." &&
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+ this$1.options.ecmaVersion >= 6) {
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+ this$1.toks.end++;
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+ this$1.toks.type = tokTypes.ellipsis;
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+ }
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+ return new Token(this$1.toks)
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+ } catch (e) {
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+ if (!(e instanceof SyntaxError)) { throw e }
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+
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+ // Try to skip some text, based on the error message, and then continue
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+ var msg = e.message, pos = e.raisedAt, replace = true;
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+ if (/unterminated/i.test(msg)) {
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+ pos = this$1.lineEnd(e.pos + 1);
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+ if (/string/.test(msg)) {
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+ replace = {start: e.pos, end: pos, type: tokTypes.string, value: this$1.input.slice(e.pos + 1, pos)};
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+ } else if (/regular expr/i.test(msg)) {
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+ var re = this$1.input.slice(e.pos, pos);
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+ try { re = new RegExp(re); } catch (e) { /* ignore compilation error due to new syntax */ }
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+ replace = {start: e.pos, end: pos, type: tokTypes.regexp, value: re};
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+ } else if (/template/.test(msg)) {
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+ replace = {
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+ start: e.pos,
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+ end: pos,
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+ type: tokTypes.template,
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+ value: this$1.input.slice(e.pos, pos)
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+ };
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+ } else {
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+ replace = false;
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+ }
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+ } else if (/invalid (unicode|regexp|number)|expecting unicode|octal literal|is reserved|directly after number|expected number in radix/i.test(msg)) {
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+ while (pos < this.input.length && !isSpace(this.input.charCodeAt(pos))) { ++pos; }
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+ } else if (/character escape|expected hexadecimal/i.test(msg)) {
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+ while (pos < this.input.length) {
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+ var ch = this$1.input.charCodeAt(pos++);
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+ if (ch === 34 || ch === 39 || isNewLine(ch)) { break }
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+ }
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+ } else if (/unexpected character/i.test(msg)) {
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+ pos++;
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+ replace = false;
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+ } else if (/regular expression/i.test(msg)) {
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+ replace = true;
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+ } else {
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+ throw e
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+ }
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+ this$1.resetTo(pos);
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+ if (replace === true) { replace = {start: pos, end: pos, type: tokTypes.name, value: "✖"}; }
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+ if (replace) {
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+ if (this$1.options.locations)
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+ { replace.loc = new SourceLocation(
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+ this$1.toks,
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+ getLineInfo(this$1.input, replace.start),
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+ getLineInfo(this$1.input, replace.end)); }
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+ return replace
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+ }
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+ }
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+ }
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+};
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+
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+lp.resetTo = function(pos) {
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+ var this$1 = this;
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+
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+ this.toks.pos = pos;
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+ var ch = this.input.charAt(pos - 1);
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+ this.toks.exprAllowed = !ch || /[[{(,;:?/*=+\-~!|&%^<>]/.test(ch) ||
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+ /[enwfd]/.test(ch) &&
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+ /\b(case|else|return|throw|new|in|(instance|type)?of|delete|void)$/.test(this.input.slice(pos - 10, pos));
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+
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+ if (this.options.locations) {
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+ this.toks.curLine = 1;
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+ this.toks.lineStart = lineBreakG.lastIndex = 0;
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+ var match;
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+ while ((match = lineBreakG.exec(this.input)) && match.index < pos) {
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+ ++this$1.toks.curLine;
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+ this$1.toks.lineStart = match.index + match[0].length;
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+ }
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+ }
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+};
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+
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+lp.lookAhead = function(n) {
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+ var this$1 = this;
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+
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+ while (n > this.ahead.length)
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+ { this$1.ahead.push(this$1.readToken()); }
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+ return this.ahead[n - 1]
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+};
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+
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+function isDummy(node) { return node.name == "✖" }
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+
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+var lp$1 = LooseParser.prototype;
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+
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+lp$1.parseTopLevel = function() {
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+ var this$1 = this;
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+
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+ var node = this.startNodeAt(this.options.locations ? [0, getLineInfo(this.input, 0)] : 0);
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+ node.body = [];
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+ while (this.tok.type !== tokTypes.eof) { node.body.push(this$1.parseStatement()); }
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+ this.toks.adaptDirectivePrologue(node.body);
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+ this.last = this.tok;
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+ if (this.options.ecmaVersion >= 6) {
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+ node.sourceType = this.options.sourceType;
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+ }
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+ return this.finishNode(node, "Program")
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+};
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+
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+lp$1.parseStatement = function() {
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+ var this$1 = this;
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+
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+ var starttype = this.tok.type, node = this.startNode(), kind;
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+
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+ if (this.toks.isLet()) {
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+ starttype = tokTypes._var;
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+ kind = "let";
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+ }
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+
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+ switch (starttype) {
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+ case tokTypes._break: case tokTypes._continue:
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+ this.next();
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+ var isBreak = starttype === tokTypes._break;
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+ if (this.semicolon() || this.canInsertSemicolon()) {
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+ node.label = null;
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+ } else {
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+ node.label = this.tok.type === tokTypes.name ? this.parseIdent() : null;
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+ this.semicolon();
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+ }
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+ return this.finishNode(node, isBreak ? "BreakStatement" : "ContinueStatement")
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+
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+ case tokTypes._debugger:
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+ this.next();
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+ this.semicolon();
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+ return this.finishNode(node, "DebuggerStatement")
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+
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+ case tokTypes._do:
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+ this.next();
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+ node.body = this.parseStatement();
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+ node.test = this.eat(tokTypes._while) ? this.parseParenExpression() : this.dummyIdent();
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+ this.semicolon();
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+ return this.finishNode(node, "DoWhileStatement")
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+
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+ case tokTypes._for:
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+ this.next(); // `for` keyword
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+ var isAwait = this.options.ecmaVersion >= 9 && this.inAsync && this.eatContextual("await");
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+
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+ this.pushCx();
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+ this.expect(tokTypes.parenL);
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+ if (this.tok.type === tokTypes.semi) { return this.parseFor(node, null) }
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+ var isLet = this.toks.isLet();
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+ if (isLet || this.tok.type === tokTypes._var || this.tok.type === tokTypes._const) {
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+ var init$1 = this.parseVar(true, isLet ? "let" : this.tok.value);
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+ if (init$1.declarations.length === 1 && (this.tok.type === tokTypes._in || this.isContextual("of"))) {
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+ if (this.options.ecmaVersion >= 9 && this.tok.type !== tokTypes._in) {
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+ node.await = isAwait;
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+ }
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+ return this.parseForIn(node, init$1)
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+ }
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+ return this.parseFor(node, init$1)
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+ }
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+ var init = this.parseExpression(true);
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+ if (this.tok.type === tokTypes._in || this.isContextual("of")) {
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+ if (this.options.ecmaVersion >= 9 && this.tok.type !== tokTypes._in) {
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+ node.await = isAwait;
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+ }
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+ return this.parseForIn(node, this.toAssignable(init))
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+ }
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+ return this.parseFor(node, init)
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+
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+ case tokTypes._function:
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+ this.next();
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+ return this.parseFunction(node, true)
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+
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+ case tokTypes._if:
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+ this.next();
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+ node.test = this.parseParenExpression();
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+ node.consequent = this.parseStatement();
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|
|
+ node.alternate = this.eat(tokTypes._else) ? this.parseStatement() : null;
|
|
|
+ return this.finishNode(node, "IfStatement")
|
|
|
+
|
|
|
+ case tokTypes._return:
|
|
|
+ this.next();
|
|
|
+ if (this.eat(tokTypes.semi) || this.canInsertSemicolon()) { node.argument = null; }
|
|
|
+ else { node.argument = this.parseExpression(); this.semicolon(); }
|
|
|
+ return this.finishNode(node, "ReturnStatement")
|
|
|
+
|
|
|
+ case tokTypes._switch:
|
|
|
+ var blockIndent = this.curIndent, line = this.curLineStart;
|
|
|
+ this.next();
|
|
|
+ node.discriminant = this.parseParenExpression();
|
|
|
+ node.cases = [];
|
|
|
+ this.pushCx();
|
|
|
+ this.expect(tokTypes.braceL);
|
|
|
+
|
|
|
+ var cur;
|
|
|
+ while (!this.closes(tokTypes.braceR, blockIndent, line, true)) {
|
|
|
+ if (this$1.tok.type === tokTypes._case || this$1.tok.type === tokTypes._default) {
|
|
|
+ var isCase = this$1.tok.type === tokTypes._case;
|
|
|
+ if (cur) { this$1.finishNode(cur, "SwitchCase"); }
|
|
|
+ node.cases.push(cur = this$1.startNode());
|
|
|
+ cur.consequent = [];
|
|
|
+ this$1.next();
|
|
|
+ if (isCase) { cur.test = this$1.parseExpression(); }
|
|
|
+ else { cur.test = null; }
|
|
|
+ this$1.expect(tokTypes.colon);
|
|
|
+ } else {
|
|
|
+ if (!cur) {
|
|
|
+ node.cases.push(cur = this$1.startNode());
|
|
|
+ cur.consequent = [];
|
|
|
+ cur.test = null;
|
|
|
+ }
|
|
|
+ cur.consequent.push(this$1.parseStatement());
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (cur) { this.finishNode(cur, "SwitchCase"); }
|
|
|
+ this.popCx();
|
|
|
+ this.eat(tokTypes.braceR);
|
|
|
+ return this.finishNode(node, "SwitchStatement")
|
|
|
+
|
|
|
+ case tokTypes._throw:
|
|
|
+ this.next();
|
|
|
+ node.argument = this.parseExpression();
|
|
|
+ this.semicolon();
|
|
|
+ return this.finishNode(node, "ThrowStatement")
|
|
|
+
|
|
|
+ case tokTypes._try:
|
|
|
+ this.next();
|
|
|
+ node.block = this.parseBlock();
|
|
|
+ node.handler = null;
|
|
|
+ if (this.tok.type === tokTypes._catch) {
|
|
|
+ var clause = this.startNode();
|
|
|
+ this.next();
|
|
|
+ if (this.eat(tokTypes.parenL)) {
|
|
|
+ clause.param = this.toAssignable(this.parseExprAtom(), true);
|
|
|
+ this.expect(tokTypes.parenR);
|
|
|
+ } else {
|
|
|
+ clause.param = null;
|
|
|
+ }
|
|
|
+ clause.body = this.parseBlock();
|
|
|
+ node.handler = this.finishNode(clause, "CatchClause");
|
|
|
+ }
|
|
|
+ node.finalizer = this.eat(tokTypes._finally) ? this.parseBlock() : null;
|
|
|
+ if (!node.handler && !node.finalizer) { return node.block }
|
|
|
+ return this.finishNode(node, "TryStatement")
|
|
|
+
|
|
|
+ case tokTypes._var:
|
|
|
+ case tokTypes._const:
|
|
|
+ return this.parseVar(false, kind || this.tok.value)
|
|
|
+
|
|
|
+ case tokTypes._while:
|
|
|
+ this.next();
|
|
|
+ node.test = this.parseParenExpression();
|
|
|
+ node.body = this.parseStatement();
|
|
|
+ return this.finishNode(node, "WhileStatement")
|
|
|
+
|
|
|
+ case tokTypes._with:
|
|
|
+ this.next();
|
|
|
+ node.object = this.parseParenExpression();
|
|
|
+ node.body = this.parseStatement();
|
|
|
+ return this.finishNode(node, "WithStatement")
|
|
|
+
|
|
|
+ case tokTypes.braceL:
|
|
|
+ return this.parseBlock()
|
|
|
+
|
|
|
+ case tokTypes.semi:
|
|
|
+ this.next();
|
|
|
+ return this.finishNode(node, "EmptyStatement")
|
|
|
+
|
|
|
+ case tokTypes._class:
|
|
|
+ return this.parseClass(true)
|
|
|
+
|
|
|
+ case tokTypes._import:
|
|
|
+ return this.parseImport()
|
|
|
+
|
|
|
+ case tokTypes._export:
|
|
|
+ return this.parseExport()
|
|
|
+
|
|
|
+ default:
|
|
|
+ if (this.toks.isAsyncFunction()) {
|
|
|
+ this.next();
|
|
|
+ this.next();
|
|
|
+ return this.parseFunction(node, true, true)
|
|
|
+ }
|
|
|
+ var expr = this.parseExpression();
|
|
|
+ if (isDummy(expr)) {
|
|
|
+ this.next();
|
|
|
+ if (this.tok.type === tokTypes.eof) { return this.finishNode(node, "EmptyStatement") }
|
|
|
+ return this.parseStatement()
|
|
|
+ } else if (starttype === tokTypes.name && expr.type === "Identifier" && this.eat(tokTypes.colon)) {
|
|
|
+ node.body = this.parseStatement();
|
|
|
+ node.label = expr;
|
|
|
+ return this.finishNode(node, "LabeledStatement")
|
|
|
+ } else {
|
|
|
+ node.expression = expr;
|
|
|
+ this.semicolon();
|
|
|
+ return this.finishNode(node, "ExpressionStatement")
|
|
|
+ }
|
|
|
+ }
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseBlock = function() {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ var node = this.startNode();
|
|
|
+ this.pushCx();
|
|
|
+ this.expect(tokTypes.braceL);
|
|
|
+ var blockIndent = this.curIndent, line = this.curLineStart;
|
|
|
+ node.body = [];
|
|
|
+ while (!this.closes(tokTypes.braceR, blockIndent, line, true))
|
|
|
+ { node.body.push(this$1.parseStatement()); }
|
|
|
+ this.popCx();
|
|
|
+ this.eat(tokTypes.braceR);
|
|
|
+ return this.finishNode(node, "BlockStatement")
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseFor = function(node, init) {
|
|
|
+ node.init = init;
|
|
|
+ node.test = node.update = null;
|
|
|
+ if (this.eat(tokTypes.semi) && this.tok.type !== tokTypes.semi) { node.test = this.parseExpression(); }
|
|
|
+ if (this.eat(tokTypes.semi) && this.tok.type !== tokTypes.parenR) { node.update = this.parseExpression(); }
|
|
|
+ this.popCx();
|
|
|
+ this.expect(tokTypes.parenR);
|
|
|
+ node.body = this.parseStatement();
|
|
|
+ return this.finishNode(node, "ForStatement")
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseForIn = function(node, init) {
|
|
|
+ var type = this.tok.type === tokTypes._in ? "ForInStatement" : "ForOfStatement";
|
|
|
+ this.next();
|
|
|
+ node.left = init;
|
|
|
+ node.right = this.parseExpression();
|
|
|
+ this.popCx();
|
|
|
+ this.expect(tokTypes.parenR);
|
|
|
+ node.body = this.parseStatement();
|
|
|
+ return this.finishNode(node, type)
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseVar = function(noIn, kind) {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ var node = this.startNode();
|
|
|
+ node.kind = kind;
|
|
|
+ this.next();
|
|
|
+ node.declarations = [];
|
|
|
+ do {
|
|
|
+ var decl = this$1.startNode();
|
|
|
+ decl.id = this$1.options.ecmaVersion >= 6 ? this$1.toAssignable(this$1.parseExprAtom(), true) : this$1.parseIdent();
|
|
|
+ decl.init = this$1.eat(tokTypes.eq) ? this$1.parseMaybeAssign(noIn) : null;
|
|
|
+ node.declarations.push(this$1.finishNode(decl, "VariableDeclarator"));
|
|
|
+ } while (this.eat(tokTypes.comma))
|
|
|
+ if (!node.declarations.length) {
|
|
|
+ var decl$1 = this.startNode();
|
|
|
+ decl$1.id = this.dummyIdent();
|
|
|
+ node.declarations.push(this.finishNode(decl$1, "VariableDeclarator"));
|
|
|
+ }
|
|
|
+ if (!noIn) { this.semicolon(); }
|
|
|
+ return this.finishNode(node, "VariableDeclaration")
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseClass = function(isStatement) {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ var node = this.startNode();
|
|
|
+ this.next();
|
|
|
+ if (this.tok.type === tokTypes.name) { node.id = this.parseIdent(); }
|
|
|
+ else if (isStatement === true) { node.id = this.dummyIdent(); }
|
|
|
+ else { node.id = null; }
|
|
|
+ node.superClass = this.eat(tokTypes._extends) ? this.parseExpression() : null;
|
|
|
+ node.body = this.startNode();
|
|
|
+ node.body.body = [];
|
|
|
+ this.pushCx();
|
|
|
+ var indent = this.curIndent + 1, line = this.curLineStart;
|
|
|
+ this.eat(tokTypes.braceL);
|
|
|
+ if (this.curIndent + 1 < indent) { indent = this.curIndent; line = this.curLineStart; }
|
|
|
+ while (!this.closes(tokTypes.braceR, indent, line)) {
|
|
|
+ if (this$1.semicolon()) { continue }
|
|
|
+ var method = this$1.startNode(), isGenerator = (void 0), isAsync = (void 0);
|
|
|
+ if (this$1.options.ecmaVersion >= 6) {
|
|
|
+ method.static = false;
|
|
|
+ isGenerator = this$1.eat(tokTypes.star);
|
|
|
+ }
|
|
|
+ this$1.parsePropertyName(method);
|
|
|
+ if (isDummy(method.key)) { if (isDummy(this$1.parseMaybeAssign())) { this$1.next(); } this$1.eat(tokTypes.comma); continue }
|
|
|
+ if (method.key.type === "Identifier" && !method.computed && method.key.name === "static" &&
|
|
|
+ (this$1.tok.type != tokTypes.parenL && this$1.tok.type != tokTypes.braceL)) {
|
|
|
+ method.static = true;
|
|
|
+ isGenerator = this$1.eat(tokTypes.star);
|
|
|
+ this$1.parsePropertyName(method);
|
|
|
+ } else {
|
|
|
+ method.static = false;
|
|
|
+ }
|
|
|
+ if (!method.computed &&
|
|
|
+ method.key.type === "Identifier" && method.key.name === "async" && this$1.tok.type !== tokTypes.parenL &&
|
|
|
+ !this$1.canInsertSemicolon()) {
|
|
|
+ isAsync = true;
|
|
|
+ isGenerator = this$1.options.ecmaVersion >= 9 && this$1.eat(tokTypes.star);
|
|
|
+ this$1.parsePropertyName(method);
|
|
|
+ } else {
|
|
|
+ isAsync = false;
|
|
|
+ }
|
|
|
+ if (this$1.options.ecmaVersion >= 5 && method.key.type === "Identifier" &&
|
|
|
+ !method.computed && (method.key.name === "get" || method.key.name === "set") &&
|
|
|
+ this$1.tok.type !== tokTypes.parenL && this$1.tok.type !== tokTypes.braceL) {
|
|
|
+ method.kind = method.key.name;
|
|
|
+ this$1.parsePropertyName(method);
|
|
|
+ method.value = this$1.parseMethod(false);
|
|
|
+ } else {
|
|
|
+ if (!method.computed && !method.static && !isGenerator && !isAsync && (
|
|
|
+ method.key.type === "Identifier" && method.key.name === "constructor" ||
|
|
|
+ method.key.type === "Literal" && method.key.value === "constructor")) {
|
|
|
+ method.kind = "constructor";
|
|
|
+ } else {
|
|
|
+ method.kind = "method";
|
|
|
+ }
|
|
|
+ method.value = this$1.parseMethod(isGenerator, isAsync);
|
|
|
+ }
|
|
|
+ node.body.body.push(this$1.finishNode(method, "MethodDefinition"));
|
|
|
+ }
|
|
|
+ this.popCx();
|
|
|
+ if (!this.eat(tokTypes.braceR)) {
|
|
|
+ // If there is no closing brace, make the node span to the start
|
|
|
+ // of the next token (this is useful for Tern)
|
|
|
+ this.last.end = this.tok.start;
|
|
|
+ if (this.options.locations) { this.last.loc.end = this.tok.loc.start; }
|
|
|
+ }
|
|
|
+ this.semicolon();
|
|
|
+ this.finishNode(node.body, "ClassBody");
|
|
|
+ return this.finishNode(node, isStatement ? "ClassDeclaration" : "ClassExpression")
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseFunction = function(node, isStatement, isAsync) {
|
|
|
+ var oldInAsync = this.inAsync, oldInFunction = this.inFunction;
|
|
|
+ this.initFunction(node);
|
|
|
+ if (this.options.ecmaVersion >= 6) {
|
|
|
+ node.generator = this.eat(tokTypes.star);
|
|
|
+ }
|
|
|
+ if (this.options.ecmaVersion >= 8) {
|
|
|
+ node.async = !!isAsync;
|
|
|
+ }
|
|
|
+ if (this.tok.type === tokTypes.name) { node.id = this.parseIdent(); }
|
|
|
+ else if (isStatement === true) { node.id = this.dummyIdent(); }
|
|
|
+ this.inAsync = node.async;
|
|
|
+ this.inFunction = true;
|
|
|
+ node.params = this.parseFunctionParams();
|
|
|
+ node.body = this.parseBlock();
|
|
|
+ this.toks.adaptDirectivePrologue(node.body.body);
|
|
|
+ this.inAsync = oldInAsync;
|
|
|
+ this.inFunction = oldInFunction;
|
|
|
+ return this.finishNode(node, isStatement ? "FunctionDeclaration" : "FunctionExpression")
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseExport = function() {
|
|
|
+ var node = this.startNode();
|
|
|
+ this.next();
|
|
|
+ if (this.eat(tokTypes.star)) {
|
|
|
+ node.source = this.eatContextual("from") ? this.parseExprAtom() : this.dummyString();
|
|
|
+ return this.finishNode(node, "ExportAllDeclaration")
|
|
|
+ }
|
|
|
+ if (this.eat(tokTypes._default)) {
|
|
|
+ // export default (function foo() {}) // This is FunctionExpression.
|
|
|
+ var isAsync;
|
|
|
+ if (this.tok.type === tokTypes._function || (isAsync = this.toks.isAsyncFunction())) {
|
|
|
+ var fNode = this.startNode();
|
|
|
+ this.next();
|
|
|
+ if (isAsync) { this.next(); }
|
|
|
+ node.declaration = this.parseFunction(fNode, "nullableID", isAsync);
|
|
|
+ } else if (this.tok.type === tokTypes._class) {
|
|
|
+ node.declaration = this.parseClass("nullableID");
|
|
|
+ } else {
|
|
|
+ node.declaration = this.parseMaybeAssign();
|
|
|
+ this.semicolon();
|
|
|
+ }
|
|
|
+ return this.finishNode(node, "ExportDefaultDeclaration")
|
|
|
+ }
|
|
|
+ if (this.tok.type.keyword || this.toks.isLet() || this.toks.isAsyncFunction()) {
|
|
|
+ node.declaration = this.parseStatement();
|
|
|
+ node.specifiers = [];
|
|
|
+ node.source = null;
|
|
|
+ } else {
|
|
|
+ node.declaration = null;
|
|
|
+ node.specifiers = this.parseExportSpecifierList();
|
|
|
+ node.source = this.eatContextual("from") ? this.parseExprAtom() : null;
|
|
|
+ this.semicolon();
|
|
|
+ }
|
|
|
+ return this.finishNode(node, "ExportNamedDeclaration")
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseImport = function() {
|
|
|
+ var node = this.startNode();
|
|
|
+ this.next();
|
|
|
+ if (this.tok.type === tokTypes.string) {
|
|
|
+ node.specifiers = [];
|
|
|
+ node.source = this.parseExprAtom();
|
|
|
+ } else {
|
|
|
+ var elt;
|
|
|
+ if (this.tok.type === tokTypes.name && this.tok.value !== "from") {
|
|
|
+ elt = this.startNode();
|
|
|
+ elt.local = this.parseIdent();
|
|
|
+ this.finishNode(elt, "ImportDefaultSpecifier");
|
|
|
+ this.eat(tokTypes.comma);
|
|
|
+ }
|
|
|
+ node.specifiers = this.parseImportSpecifierList();
|
|
|
+ node.source = this.eatContextual("from") && this.tok.type == tokTypes.string ? this.parseExprAtom() : this.dummyString();
|
|
|
+ if (elt) { node.specifiers.unshift(elt); }
|
|
|
+ }
|
|
|
+ this.semicolon();
|
|
|
+ return this.finishNode(node, "ImportDeclaration")
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseImportSpecifierList = function() {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ var elts = [];
|
|
|
+ if (this.tok.type === tokTypes.star) {
|
|
|
+ var elt = this.startNode();
|
|
|
+ this.next();
|
|
|
+ elt.local = this.eatContextual("as") ? this.parseIdent() : this.dummyIdent();
|
|
|
+ elts.push(this.finishNode(elt, "ImportNamespaceSpecifier"));
|
|
|
+ } else {
|
|
|
+ var indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart;
|
|
|
+ this.pushCx();
|
|
|
+ this.eat(tokTypes.braceL);
|
|
|
+ if (this.curLineStart > continuedLine) { continuedLine = this.curLineStart; }
|
|
|
+ while (!this.closes(tokTypes.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {
|
|
|
+ var elt$1 = this$1.startNode();
|
|
|
+ if (this$1.eat(tokTypes.star)) {
|
|
|
+ elt$1.local = this$1.eatContextual("as") ? this$1.parseIdent() : this$1.dummyIdent();
|
|
|
+ this$1.finishNode(elt$1, "ImportNamespaceSpecifier");
|
|
|
+ } else {
|
|
|
+ if (this$1.isContextual("from")) { break }
|
|
|
+ elt$1.imported = this$1.parseIdent();
|
|
|
+ if (isDummy(elt$1.imported)) { break }
|
|
|
+ elt$1.local = this$1.eatContextual("as") ? this$1.parseIdent() : elt$1.imported;
|
|
|
+ this$1.finishNode(elt$1, "ImportSpecifier");
|
|
|
+ }
|
|
|
+ elts.push(elt$1);
|
|
|
+ this$1.eat(tokTypes.comma);
|
|
|
+ }
|
|
|
+ this.eat(tokTypes.braceR);
|
|
|
+ this.popCx();
|
|
|
+ }
|
|
|
+ return elts
|
|
|
+};
|
|
|
+
|
|
|
+lp$1.parseExportSpecifierList = function() {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ var elts = [];
|
|
|
+ var indent = this.curIndent, line = this.curLineStart, continuedLine = this.nextLineStart;
|
|
|
+ this.pushCx();
|
|
|
+ this.eat(tokTypes.braceL);
|
|
|
+ if (this.curLineStart > continuedLine) { continuedLine = this.curLineStart; }
|
|
|
+ while (!this.closes(tokTypes.braceR, indent + (this.curLineStart <= continuedLine ? 1 : 0), line)) {
|
|
|
+ if (this$1.isContextual("from")) { break }
|
|
|
+ var elt = this$1.startNode();
|
|
|
+ elt.local = this$1.parseIdent();
|
|
|
+ if (isDummy(elt.local)) { break }
|
|
|
+ elt.exported = this$1.eatContextual("as") ? this$1.parseIdent() : elt.local;
|
|
|
+ this$1.finishNode(elt, "ExportSpecifier");
|
|
|
+ elts.push(elt);
|
|
|
+ this$1.eat(tokTypes.comma);
|
|
|
+ }
|
|
|
+ this.eat(tokTypes.braceR);
|
|
|
+ this.popCx();
|
|
|
+ return elts
|
|
|
+};
|
|
|
+
|
|
|
+var lp$2 = LooseParser.prototype;
|
|
|
+
|
|
|
+lp$2.checkLVal = function(expr) {
|
|
|
+ if (!expr) { return expr }
|
|
|
+ switch (expr.type) {
|
|
|
+ case "Identifier":
|
|
|
+ case "MemberExpression":
|
|
|
+ return expr
|
|
|
+
|
|
|
+ case "ParenthesizedExpression":
|
|
|
+ expr.expression = this.checkLVal(expr.expression);
|
|
|
+ return expr
|
|
|
+
|
|
|
+ default:
|
|
|
+ return this.dummyIdent()
|
|
|
+ }
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseExpression = function(noIn) {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ var start = this.storeCurrentPos();
|
|
|
+ var expr = this.parseMaybeAssign(noIn);
|
|
|
+ if (this.tok.type === tokTypes.comma) {
|
|
|
+ var node = this.startNodeAt(start);
|
|
|
+ node.expressions = [expr];
|
|
|
+ while (this.eat(tokTypes.comma)) { node.expressions.push(this$1.parseMaybeAssign(noIn)); }
|
|
|
+ return this.finishNode(node, "SequenceExpression")
|
|
|
+ }
|
|
|
+ return expr
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseParenExpression = function() {
|
|
|
+ this.pushCx();
|
|
|
+ this.expect(tokTypes.parenL);
|
|
|
+ var val = this.parseExpression();
|
|
|
+ this.popCx();
|
|
|
+ this.expect(tokTypes.parenR);
|
|
|
+ return val
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseMaybeAssign = function(noIn) {
|
|
|
+ if (this.toks.isContextual("yield")) {
|
|
|
+ var node = this.startNode();
|
|
|
+ this.next();
|
|
|
+ if (this.semicolon() || this.canInsertSemicolon() || (this.tok.type != tokTypes.star && !this.tok.type.startsExpr)) {
|
|
|
+ node.delegate = false;
|
|
|
+ node.argument = null;
|
|
|
+ } else {
|
|
|
+ node.delegate = this.eat(tokTypes.star);
|
|
|
+ node.argument = this.parseMaybeAssign();
|
|
|
+ }
|
|
|
+ return this.finishNode(node, "YieldExpression")
|
|
|
+ }
|
|
|
+
|
|
|
+ var start = this.storeCurrentPos();
|
|
|
+ var left = this.parseMaybeConditional(noIn);
|
|
|
+ if (this.tok.type.isAssign) {
|
|
|
+ var node$1 = this.startNodeAt(start);
|
|
|
+ node$1.operator = this.tok.value;
|
|
|
+ node$1.left = this.tok.type === tokTypes.eq ? this.toAssignable(left) : this.checkLVal(left);
|
|
|
+ this.next();
|
|
|
+ node$1.right = this.parseMaybeAssign(noIn);
|
|
|
+ return this.finishNode(node$1, "AssignmentExpression")
|
|
|
+ }
|
|
|
+ return left
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseMaybeConditional = function(noIn) {
|
|
|
+ var start = this.storeCurrentPos();
|
|
|
+ var expr = this.parseExprOps(noIn);
|
|
|
+ if (this.eat(tokTypes.question)) {
|
|
|
+ var node = this.startNodeAt(start);
|
|
|
+ node.test = expr;
|
|
|
+ node.consequent = this.parseMaybeAssign();
|
|
|
+ node.alternate = this.expect(tokTypes.colon) ? this.parseMaybeAssign(noIn) : this.dummyIdent();
|
|
|
+ return this.finishNode(node, "ConditionalExpression")
|
|
|
+ }
|
|
|
+ return expr
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseExprOps = function(noIn) {
|
|
|
+ var start = this.storeCurrentPos();
|
|
|
+ var indent = this.curIndent, line = this.curLineStart;
|
|
|
+ return this.parseExprOp(this.parseMaybeUnary(false), start, -1, noIn, indent, line)
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseExprOp = function(left, start, minPrec, noIn, indent, line) {
|
|
|
+ if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) { return left }
|
|
|
+ var prec = this.tok.type.binop;
|
|
|
+ if (prec != null && (!noIn || this.tok.type !== tokTypes._in)) {
|
|
|
+ if (prec > minPrec) {
|
|
|
+ var node = this.startNodeAt(start);
|
|
|
+ node.left = left;
|
|
|
+ node.operator = this.tok.value;
|
|
|
+ this.next();
|
|
|
+ if (this.curLineStart != line && this.curIndent < indent && this.tokenStartsLine()) {
|
|
|
+ node.right = this.dummyIdent();
|
|
|
+ } else {
|
|
|
+ var rightStart = this.storeCurrentPos();
|
|
|
+ node.right = this.parseExprOp(this.parseMaybeUnary(false), rightStart, prec, noIn, indent, line);
|
|
|
+ }
|
|
|
+ this.finishNode(node, /&&|\|\|/.test(node.operator) ? "LogicalExpression" : "BinaryExpression");
|
|
|
+ return this.parseExprOp(node, start, minPrec, noIn, indent, line)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return left
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseMaybeUnary = function(sawUnary) {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ var start = this.storeCurrentPos(), expr;
|
|
|
+ if (this.options.ecmaVersion >= 8 && this.toks.isContextual("await") &&
|
|
|
+ (this.inAsync || (!this.inFunction && this.options.allowAwaitOutsideFunction))
|
|
|
+ ) {
|
|
|
+ expr = this.parseAwait();
|
|
|
+ sawUnary = true;
|
|
|
+ } else if (this.tok.type.prefix) {
|
|
|
+ var node = this.startNode(), update = this.tok.type === tokTypes.incDec;
|
|
|
+ if (!update) { sawUnary = true; }
|
|
|
+ node.operator = this.tok.value;
|
|
|
+ node.prefix = true;
|
|
|
+ this.next();
|
|
|
+ node.argument = this.parseMaybeUnary(true);
|
|
|
+ if (update) { node.argument = this.checkLVal(node.argument); }
|
|
|
+ expr = this.finishNode(node, update ? "UpdateExpression" : "UnaryExpression");
|
|
|
+ } else if (this.tok.type === tokTypes.ellipsis) {
|
|
|
+ var node$1 = this.startNode();
|
|
|
+ this.next();
|
|
|
+ node$1.argument = this.parseMaybeUnary(sawUnary);
|
|
|
+ expr = this.finishNode(node$1, "SpreadElement");
|
|
|
+ } else {
|
|
|
+ expr = this.parseExprSubscripts();
|
|
|
+ while (this.tok.type.postfix && !this.canInsertSemicolon()) {
|
|
|
+ var node$2 = this$1.startNodeAt(start);
|
|
|
+ node$2.operator = this$1.tok.value;
|
|
|
+ node$2.prefix = false;
|
|
|
+ node$2.argument = this$1.checkLVal(expr);
|
|
|
+ this$1.next();
|
|
|
+ expr = this$1.finishNode(node$2, "UpdateExpression");
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!sawUnary && this.eat(tokTypes.starstar)) {
|
|
|
+ var node$3 = this.startNodeAt(start);
|
|
|
+ node$3.operator = "**";
|
|
|
+ node$3.left = expr;
|
|
|
+ node$3.right = this.parseMaybeUnary(false);
|
|
|
+ return this.finishNode(node$3, "BinaryExpression")
|
|
|
+ }
|
|
|
+
|
|
|
+ return expr
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseExprSubscripts = function() {
|
|
|
+ var start = this.storeCurrentPos();
|
|
|
+ return this.parseSubscripts(this.parseExprAtom(), start, false, this.curIndent, this.curLineStart)
|
|
|
+};
|
|
|
+
|
|
|
+lp$2.parseSubscripts = function(base, start, noCalls, startIndent, line) {
|
|
|
+ var this$1 = this;
|
|
|
+
|
|
|
+ for (;;) {
|
|
|
+ if (this$1.curLineStart != line && this$1.curIndent <= startIndent && this$1.tokenStartsLine()) {
|
|
|
+ if (this$1.tok.type == tokTypes.dot && this$1.curIndent == startIndent)
|
|
|
+ { --startIndent; }
|
|
|
+ else
|
|
|
+ { return base }
|
|
|
+ }
|
|
|
+
|
|
|
+ var maybeAsyncArrow = base.type === "Identifier" && base.name === "async" && !this$1.canInsertSemicolon();
|
|
|
+
|
|
|
+ if (this$1.eat(tokTypes.dot)) {
|
|
|
+ var node = this$1.startNodeAt(start);
|
|
|
+ node.object = base;
|
|
|
+ if (this$1.curLineStart != line && this$1.curIndent <= startIndent && this$1.tokenStartsLine())
|
|
|
+ { node.property = this$1.dummyIdent(); }
|
|
|
+ else
|
|
|
+ { node.property = this$1.parsePropertyAccessor() || this$1.dummyIdent(); }
|
|
|
+ node.computed = false;
|
|
|
+ base = this$1.finishNode(node, "MemberExpression");
|
|
|
+ } else if (this$1.tok.type == tokTypes.bracketL) {
|
|
|
+ this$1.pushCx();
|
|
|
capellaresumo