JDK 11 jdk.compiler.jmod - Compiler Tool

JDK 11 jdk.compiler.jmod is the JMOD file for JDK 11 Compiler tool, which can be invoked by the "javac" command.

JDK 11 Compiler tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.compiler.jmod.

JDK 11 Compiler tool compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Compiler source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.compiler.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

com/sun/tools/javac/parser/Scanner.java

/*
 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package com.sun.tools.javac.parser;

import java.nio.*;
import java.util.List;
import java.util.ArrayList;

import com.sun.tools.javac.util.Position.LineMap;
import com.sun.tools.javac.parser.JavaTokenizer.*;

import static com.sun.tools.javac.parser.Tokens.*;

/** The lexical analyzer maps an input stream consisting of
 *  ASCII characters and Unicode escapes into a token sequence.
 *
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 */
public class Scanner implements Lexer {

    private Tokens tokens;

    /** The token, set by nextToken().
     */
    private Token token;

    /** The previous token, set by nextToken().
     */
    private Token prevToken;

    /** Buffer of saved tokens (used during lookahead)
     */
    private List<Token> savedTokens = new ArrayList<>();

    private JavaTokenizer tokenizer;

    /**
     * Create a scanner from the input array.  This method might
     * modify the array.  To avoid copying the input array, ensure
     * that {@code inputLength < input.length} or
     * {@code input[input.length -1]} is a white space character.
     *
     * @param fac the factory which created this Scanner
     * @param buf the input, might be modified
     * Must be positive and less than or equal to input.length.
     */
    protected Scanner(ScannerFactory fac, CharBuffer buf) {
        this(fac, new JavaTokenizer(fac, buf));
    }

    protected Scanner(ScannerFactory fac, char[] buf, int inputLength) {
        this(fac, new JavaTokenizer(fac, buf, inputLength));
    }

    protected Scanner(ScannerFactory fac, JavaTokenizer tokenizer) {
        this.tokenizer = tokenizer;
        tokens = fac.tokens;
        token = prevToken = DUMMY;
    }

    public Token token() {
        return token(0);
    }

    public Token token(int lookahead) {
        if (lookahead == 0) {
            return token;
        } else {
            ensureLookahead(lookahead);
            return savedTokens.get(lookahead - 1);
        }
    }
    //where
        private void ensureLookahead(int lookahead) {
            for (int i = savedTokens.size() ; i < lookahead ; i ++) {
                savedTokens.add(tokenizer.readToken());
            }
        }

    public Token prevToken() {
        return prevToken;
    }

    public void nextToken() {
        prevToken = token;
        if (!savedTokens.isEmpty()) {
            token = savedTokens.remove(0);
        } else {
            token = tokenizer.readToken();
        }
    }

    public Token split() {
        Token[] splitTokens = token.split(tokens);
        prevToken = splitTokens[0];
        token = splitTokens[1];
        return token;
    }

    public LineMap getLineMap() {
        return tokenizer.getLineMap();
    }

    public int errPos() {
        return tokenizer.errPos();
    }

    public void errPos(int pos) {
        tokenizer.errPos(pos);
    }
}

com/sun/tools/javac/parser/Scanner.java

 

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2018-11-09, 8099👍, 0💬