org.antlr.v4.runtime.tree.TerminalNodeImpl.java Source code

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Here is the source code for org.antlr.v4.runtime.tree.TerminalNodeImpl.java

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/*
 * 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.tree;

import org.antlr.v4.runtime.Parser;
import org.antlr.v4.runtime.RuleContext;
import org.antlr.v4.runtime.Token;
import org.antlr.v4.runtime.misc.Interval;

public class TerminalNodeImpl implements TerminalNode {
    public Token symbol;
    public ParseTree parent;

    public TerminalNodeImpl(Token symbol) {
        this.symbol = symbol;
    }

    @Override
    public ParseTree getChild(int i) {
        return null;
    }

    @Override
    public Token getSymbol() {
        return symbol;
    }

    @Override
    public ParseTree getParent() {
        return parent;
    }

    @Override
    public void setParent(RuleContext parent) {
        this.parent = parent;
    }

    @Override
    public Token getPayload() {
        return symbol;
    }

    @Override
    public Interval getSourceInterval() {
        if (symbol == null)
            return Interval.INVALID;

        int tokenIndex = symbol.getTokenIndex();
        return new Interval(tokenIndex, tokenIndex);
    }

    @Override
    public int getChildCount() {
        return 0;
    }

    @Override
    public <T> T accept(ParseTreeVisitor<? extends T> visitor) {
        return visitor.visitTerminal(this);
    }

    @Override
    public String getText() {
        return symbol.getText();
    }

    @Override
    public String toStringTree(Parser parser) {
        return toString();
    }

    @Override
    public String toString() {
        if (symbol.getType() == Token.EOF)
            return "<EOF>";
        return symbol.getText();
    }

    @Override
    public String toStringTree() {
        return toString();
    }
}