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ANTLR Runtime Source Code
ANTLR is a powerful parser generator for multiple programming languages including Java.
ANTLR contains 2 major modules:
ANTLR Runtime Source Code files are provided in the distribution packge (antlr4-4.10.1.zip). You can download them at ANTLR Website.
You can also browse the source code below:
✍: FYIcenter
⏎ org/antlr/v4/runtime/atn/DecisionEventInfo.java
/* * Copyright (c) 2012-2017 The ANTLR Project. All rights reserved. * Use of this file is governed by the BSD 3-clause license that * can be found in the LICENSE.txt file in the project root. */ package org.antlr.v4.runtime.atn; import org.antlr.v4.runtime.TokenStream; /** * 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 */ public class DecisionEventInfo { /** * The invoked decision number which this event is related to. * * @see ATN#decisionToState */ public final int decision; /** * The configuration set containing additional information relevant to the * prediction state when the current event occurred, or {@code null} if no * additional information is relevant or available. */ public final ATNConfigSet configs; /** * The input token stream which is being parsed. */ public final TokenStream input; /** * The token index in the input stream at which the current prediction was * originally invoked. */ public final int startIndex; /** * The token index in the input stream at which the current event occurred. */ public final int stopIndex; /** * {@code true} if the current event occurred during LL prediction; * otherwise, {@code false} if the input occurred during SLL prediction. */ public final boolean fullCtx; public DecisionEventInfo(int decision, ATNConfigSet configs, TokenStream input, int startIndex, int stopIndex, boolean fullCtx) { this.decision = decision; this.fullCtx = fullCtx; this.stopIndex = stopIndex; this.input = input; this.startIndex = startIndex; this.configs = configs; } }
⏎ org/antlr/v4/runtime/atn/DecisionEventInfo.java
Or download all of them as a single archive file:
File name: antlr-runtime-4.10.1-sources.jar File size: 308953 bytes Release date: 2022-04-15 Download
⇐ What Is ANTLR Parser Generator
2018-10-21, 31344👍, 0💬
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