93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.default = exports.ClassScope = void 0;
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var _scopeflags = require("./scopeflags");
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var _parseError = require("../parse-error");
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class ClassScope {
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constructor() {
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this.privateNames = new Set();
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this.loneAccessors = new Map();
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this.undefinedPrivateNames = new Map();
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}
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}
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exports.ClassScope = ClassScope;
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class ClassScopeHandler {
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constructor(parser) {
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this.parser = void 0;
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this.stack = [];
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this.undefinedPrivateNames = new Map();
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this.parser = parser;
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}
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current() {
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return this.stack[this.stack.length - 1];
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}
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enter() {
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this.stack.push(new ClassScope());
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}
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exit() {
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const oldClassScope = this.stack.pop();
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const current = this.current();
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for (const [name, loc] of Array.from(oldClassScope.undefinedPrivateNames)) {
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if (current) {
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if (!current.undefinedPrivateNames.has(name)) {
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current.undefinedPrivateNames.set(name, loc);
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}
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} else {
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this.parser.raise(_parseError.Errors.InvalidPrivateFieldResolution, {
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at: loc,
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identifierName: name
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});
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}
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}
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}
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declarePrivateName(name, elementType, loc) {
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const {
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privateNames,
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loneAccessors,
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undefinedPrivateNames
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} = this.current();
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let redefined = privateNames.has(name);
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if (elementType & _scopeflags.CLASS_ELEMENT_KIND_ACCESSOR) {
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const accessor = redefined && loneAccessors.get(name);
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if (accessor) {
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const oldStatic = accessor & _scopeflags.CLASS_ELEMENT_FLAG_STATIC;
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const newStatic = elementType & _scopeflags.CLASS_ELEMENT_FLAG_STATIC;
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const oldKind = accessor & _scopeflags.CLASS_ELEMENT_KIND_ACCESSOR;
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const newKind = elementType & _scopeflags.CLASS_ELEMENT_KIND_ACCESSOR;
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redefined = oldKind === newKind || oldStatic !== newStatic;
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if (!redefined) loneAccessors.delete(name);
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} else if (!redefined) {
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loneAccessors.set(name, elementType);
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}
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}
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if (redefined) {
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this.parser.raise(_parseError.Errors.PrivateNameRedeclaration, {
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at: loc,
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identifierName: name
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});
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}
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privateNames.add(name);
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undefinedPrivateNames.delete(name);
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}
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usePrivateName(name, loc) {
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let classScope;
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for (classScope of this.stack) {
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if (classScope.privateNames.has(name)) return;
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}
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if (classScope) {
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classScope.undefinedPrivateNames.set(name, loc);
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} else {
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this.parser.raise(_parseError.Errors.InvalidPrivateFieldResolution, {
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at: loc,
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identifierName: name
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});
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}
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}
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}
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exports.default = ClassScopeHandler;
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//# sourceMappingURL=class-scope.js.map
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