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140 lines
5.4 KiB
140 lines
5.4 KiB
2 years ago
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/* Generated by `npm run build`, do not edit! */
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"use strict"
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var skipWhiteSpace = /(?:\s|\/\/.*|\/\*[^]*?\*\/)*/g
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var acorn = require("acorn")
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var tt = acorn.tokTypes
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function maybeParseFieldValue(field) {
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if (this.eat(tt.eq)) {
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var oldInFieldValue = this._inStaticFieldValue
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this._inStaticFieldValue = true
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field.value = this.parseExpression()
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this._inStaticFieldValue = oldInFieldValue
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} else { field.value = null }
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}
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var privateClassElements = require("../private-class-elements")
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module.exports = function(Parser) {
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var ExtendedParser = privateClassElements(Parser)
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return /*@__PURE__*/(function (ExtendedParser) {
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function anonymous () {
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ExtendedParser.apply(this, arguments);
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}
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if ( ExtendedParser ) anonymous.__proto__ = ExtendedParser;
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anonymous.prototype = Object.create( ExtendedParser && ExtendedParser.prototype );
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anonymous.prototype.constructor = anonymous;
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anonymous.prototype.parseClassElement = function parseClassElement (_constructorAllowsSuper) {
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var this$1 = this;
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if (this.eat(tt.semi)) { return null }
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var node = this.startNode()
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var tryContextual = function (k, noLineBreak) {
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if (typeof noLineBreak == "undefined") { noLineBreak = false }
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var start = this$1.start, startLoc = this$1.startLoc
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if (!this$1.eatContextual(k)) { return false }
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if (this$1.type !== tt.parenL && (!noLineBreak || !this$1.canInsertSemicolon())) { return true }
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if (node.key) { this$1.unexpected() }
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node.computed = false
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node.key = this$1.startNodeAt(start, startLoc)
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node.key.name = k
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this$1.finishNode(node.key, "Identifier")
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return false
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}
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node.static = tryContextual("static")
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if (!node.static) { return ExtendedParser.prototype.parseClassElement.apply(this, arguments) }
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var isGenerator = this.eat(tt.star)
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var isAsync = false
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if (!isGenerator) {
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// Special-case for `async`, since `parseClassMember` currently looks
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// for `(` to determine whether `async` is a method name
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if (this.options.ecmaVersion >= 8 && this.isContextual("async")) {
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skipWhiteSpace.lastIndex = this.pos
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var skip = skipWhiteSpace.exec(this.input)
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var next = this.input.charAt(this.pos + skip[0].length)
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if (next === ";" || next === "=") {
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node.key = this.parseIdent(true)
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node.computed = false
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maybeParseFieldValue.call(this, node)
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this.finishNode(node, "FieldDefinition")
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this.semicolon()
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return node
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} else if (this.options.ecmaVersion >= 8 && tryContextual("async", true)) {
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isAsync = true
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isGenerator = this.options.ecmaVersion >= 9 && this.eat(tt.star)
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}
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} else if (tryContextual("get")) {
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node.kind = "get"
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} else if (tryContextual("set")) {
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node.kind = "set"
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}
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}
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if (this.type === this.privateNameToken) {
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this.parsePrivateClassElementName(node)
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if (this.type !== tt.parenL) {
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if (node.key.name === "prototype") {
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this.raise(node.key.start, "Classes may not have a private static property named prototype")
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}
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maybeParseFieldValue.call(this, node)
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this.finishNode(node, "FieldDefinition")
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this.semicolon()
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return node
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}
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} else if (!node.key) {
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this.parsePropertyName(node)
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if ((node.key.name || node.key.value) === "prototype" && !node.computed) {
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this.raise(node.key.start, "Classes may not have a static property named prototype")
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}
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}
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if (!node.kind) { node.kind = "method" }
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this.parseClassMethod(node, isGenerator, isAsync)
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if (!node.kind && (node.key.name || node.key.value) === "constructor" && !node.computed) {
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this.raise(node.key.start, "Classes may not have a static field named constructor")
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}
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if (node.kind === "get" && node.value.params.length !== 0) {
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this.raiseRecoverable(node.value.start, "getter should have no params")
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}
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if (node.kind === "set" && node.value.params.length !== 1) {
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this.raiseRecoverable(node.value.start, "setter should have exactly one param")
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}
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if (node.kind === "set" && node.value.params[0].type === "RestElement") {
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this.raiseRecoverable(node.value.params[0].start, "Setter cannot use rest params")
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}
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return node
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};
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// Parse public static fields
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anonymous.prototype.parseClassMethod = function parseClassMethod (method, isGenerator, isAsync, _allowsDirectSuper) {
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if (isGenerator || isAsync || method.kind != "method" || !method.static || this.options.ecmaVersion < 8 || this.type == tt.parenL) {
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return ExtendedParser.prototype.parseClassMethod.apply(this, arguments)
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}
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maybeParseFieldValue.call(this, method)
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delete method.kind
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method = this.finishNode(method, "FieldDefinition")
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this.semicolon()
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return method
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};
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// Prohibit arguments in class field initializers
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anonymous.prototype.parseIdent = function parseIdent (liberal, isBinding) {
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var ident = ExtendedParser.prototype.parseIdent.call(this, liberal, isBinding)
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if (this._inStaticFieldValue && ident.name == "arguments") { this.raise(ident.start, "A static class field initializer may not contain arguments") }
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return ident
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};
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return anonymous;
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}(ExtendedParser))
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}
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