antlr4ts
Version:
ANTLR 4 runtime for JavaScript written in Typescript
64 lines • 2.98 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.FailedPredicateException = void 0;
const RecognitionException_1 = require("./RecognitionException");
const Decorators_1 = require("./Decorators");
const PredicateTransition_1 = require("./atn/PredicateTransition");
/** A semantic predicate failed during validation. Validation of predicates
* occurs when normally parsing the alternative just like matching a token.
* Disambiguating predicate evaluation occurs when we test a predicate during
* prediction.
*/
let FailedPredicateException = class FailedPredicateException extends RecognitionException_1.RecognitionException {
constructor(recognizer, predicate, message) {
super(recognizer, recognizer.inputStream, recognizer.context, FailedPredicateException.formatMessage(predicate, message));
let s = recognizer.interpreter.atn.states[recognizer.state];
let trans = s.transition(0);
if (trans instanceof PredicateTransition_1.PredicateTransition) {
this._ruleIndex = trans.ruleIndex;
this._predicateIndex = trans.predIndex;
}
else {
this._ruleIndex = 0;
this._predicateIndex = 0;
}
this._predicate = predicate;
super.setOffendingToken(recognizer, recognizer.currentToken);
}
get ruleIndex() {
return this._ruleIndex;
}
get predicateIndex() {
return this._predicateIndex;
}
get predicate() {
return this._predicate;
}
static formatMessage(predicate, message) {
if (message) {
return message;
}
return `failed predicate: {${predicate}}?`;
}
};
__decorate([
Decorators_1.NotNull
], FailedPredicateException, "formatMessage", null);
FailedPredicateException = __decorate([
__param(0, Decorators_1.NotNull)
], FailedPredicateException);
exports.FailedPredicateException = FailedPredicateException;
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