antlr4ts
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ANTLR 4 runtime for JavaScript written in Typescript
103 lines • 3.51 kB
JavaScript
;
/*!
* Copyright 2016 The ANTLR Project. All rights reserved.
* Licensed under the BSD-3-Clause license. See LICENSE file in the project root for license information.
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __param = (this && this.__param) || function (paramIndex, decorator) {
return function (target, key) { decorator(target, key, paramIndex); }
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.LexerTypeAction = void 0;
const MurmurHash_1 = require("../misc/MurmurHash");
const Decorators_1 = require("../Decorators");
/**
* Implements the `type` lexer action by setting `Lexer.type`
* with the assigned type.
*
* @author Sam Harwell
* @since 4.2
*/
class LexerTypeAction {
/**
* Constructs a new `type` action with the specified token type value.
* @param type The type to assign to the token using `Lexer.type`.
*/
constructor(type) {
this._type = type;
}
/**
* Gets the type to assign to a token created by the lexer.
* @returns The type to assign to a token created by the lexer.
*/
get type() {
return this._type;
}
/**
* {@inheritDoc}
* @returns This method returns {@link LexerActionType#TYPE}.
*/
get actionType() {
return 7 /* TYPE */;
}
/**
* {@inheritDoc}
* @returns This method returns `false`.
*/
get isPositionDependent() {
return false;
}
/**
* {@inheritDoc}
*
* This action is implemented by setting `Lexer.type` with the
* value provided by `type`.
*/
execute(lexer) {
lexer.type = this._type;
}
hashCode() {
let hash = MurmurHash_1.MurmurHash.initialize();
hash = MurmurHash_1.MurmurHash.update(hash, this.actionType);
hash = MurmurHash_1.MurmurHash.update(hash, this._type);
return MurmurHash_1.MurmurHash.finish(hash, 2);
}
equals(obj) {
if (obj === this) {
return true;
}
else if (!(obj instanceof LexerTypeAction)) {
return false;
}
return this._type === obj._type;
}
toString() {
return `type(${this._type})`;
}
}
__decorate([
Decorators_1.Override
], LexerTypeAction.prototype, "actionType", null);
__decorate([
Decorators_1.Override
], LexerTypeAction.prototype, "isPositionDependent", null);
__decorate([
Decorators_1.Override,
__param(0, Decorators_1.NotNull)
], LexerTypeAction.prototype, "execute", null);
__decorate([
Decorators_1.Override
], LexerTypeAction.prototype, "hashCode", null);
__decorate([
Decorators_1.Override
], LexerTypeAction.prototype, "equals", null);
__decorate([
Decorators_1.Override
], LexerTypeAction.prototype, "toString", null);
exports.LexerTypeAction = LexerTypeAction;
//# sourceMappingURL=LexerTypeAction.js.map