antlr4ts
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ANTLR 4 runtime for JavaScript written in Typescript
51 lines • 2.48 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.DecisionEventInfo = void 0;
// ConvertTo-TS run at 2016-10-04T11:26:28.2401032-07:00
const Decorators_1 = require("../Decorators");
/**
* This is the base class for gathering detailed information about prediction
* events which occur during parsing.
*
* Note that we could record the parser call stack at the time this event
* occurred but in the presence of left recursive rules, the stack is kind of
* meaningless. It's better to look at the individual configurations for their
* individual stacks. Of course that is a {@link PredictionContext} object
* not a parse tree node and so it does not have information about the extent
* (start...stop) of the various subtrees. Examining the stack tops of all
* configurations provide the return states for the rule invocations.
* From there you can get the enclosing rule.
*
* @since 4.3
*/
let DecisionEventInfo = class DecisionEventInfo {
constructor(decision, state, input, startIndex, stopIndex, fullCtx) {
this.decision = decision;
this.fullCtx = fullCtx;
this.stopIndex = stopIndex;
this.input = input;
this.startIndex = startIndex;
this.state = state;
}
};
__decorate([
Decorators_1.NotNull
], DecisionEventInfo.prototype, "input", void 0);
DecisionEventInfo = __decorate([
__param(2, Decorators_1.NotNull)
], DecisionEventInfo);
exports.DecisionEventInfo = DecisionEventInfo;
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