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/main/CommandLine.java

/*
 * Copyright (c) 1999, 2017, 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.main;

import java.io.IOException;
import java.io.Reader;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * Various utility methods for processing Java tool command line arguments.
 *
 *  <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 CommandLine {
    /**
     * Process Win32-style command files for the specified command line
     * arguments and return the resulting arguments. A command file argument
     * is of the form '@file' where 'file' is the name of the file whose
     * contents are to be parsed for additional arguments. The contents of
     * the command file are parsed using StreamTokenizer and the original
     * '@file' argument replaced with the resulting tokens. Recursive command
     * files are not supported. The '@' character itself can be quoted with
     * the sequence '@@'.
     * @param args the arguments that may contain @files
     * @return the arguments, with @files expanded
     * @throws IOException if there is a problem reading any of the @files
     */
    public static String[] parse(String[] args) throws IOException {
        List<String> newArgs = new ArrayList<>();
        appendParsedCommandArgs(newArgs, Arrays.asList(args));
        return newArgs.toArray(new String[newArgs.size()]);
    }

    private static void appendParsedCommandArgs(List<String> newArgs, List<String> args) throws IOException {
        for (String arg : args) {
            if (arg.length() > 1 && arg.charAt(0) == '@') {
                arg = arg.substring(1);
                if (arg.charAt(0) == '@') {
                    newArgs.add(arg);
                } else {
                    loadCmdFile(arg, newArgs);
                }
            } else {
                newArgs.add(arg);
            }
        }
    }

    /**
     * Process the given environment variable and appends any Win32-style
     * command files for the specified command line arguments and return
     * the resulting arguments. A command file argument
     * is of the form '@file' where 'file' is the name of the file whose
     * contents are to be parsed for additional arguments. The contents of
     * the command file are parsed using StreamTokenizer and the original
     * '@file' argument replaced with the resulting tokens. Recursive command
     * files are not supported. The '@' character itself can be quoted with
     * the sequence '@@'.
     * @param envVariable the env variable to process
     * @param args the arguments that may contain @files
     * @return the arguments, with environment variable's content and expansion of @files
     * @throws IOException if there is a problem reading any of the @files
     * @throws com.sun.tools.javac.main.CommandLine.UnmatchedQuote
     */
    public static List<String> parse(String envVariable, List<String> args)
            throws IOException, UnmatchedQuote {

        List<String> inArgs = new ArrayList<>();
        appendParsedEnvVariables(inArgs, envVariable);
        inArgs.addAll(args);
        List<String> newArgs = new ArrayList<>();
        appendParsedCommandArgs(newArgs, inArgs);
        return newArgs;
    }

    /**
     * Process the given environment variable and appends any Win32-style
     * command files for the specified command line arguments and return
     * the resulting arguments. A command file argument
     * is of the form '@file' where 'file' is the name of the file whose
     * contents are to be parsed for additional arguments. The contents of
     * the command file are parsed using StreamTokenizer and the original
     * '@file' argument replaced with the resulting tokens. Recursive command
     * files are not supported. The '@' character itself can be quoted with
     * the sequence '@@'.
     * @param envVariable the env variable to process
     * @param args the arguments that may contain @files
     * @return the arguments, with environment variable's content and expansion of @files
     * @throws IOException if there is a problem reading any of the @files
     * @throws com.sun.tools.javac.main.CommandLine.UnmatchedQuote
     */
    public static String[] parse(String envVariable, String[] args) throws IOException, UnmatchedQuote {
        List<String> out = parse(envVariable, Arrays.asList(args));
        return out.toArray(new String[out.size()]);
    }

    private static void loadCmdFile(String name, List<String> args) throws IOException {
        try (Reader r = Files.newBufferedReader(Paths.get(name))) {
            Tokenizer t = new Tokenizer(r);
            String s;
            while ((s = t.nextToken()) != null) {
                args.add(s);
            }
        }
    }

    public static class Tokenizer {
        private final Reader in;
        private int ch;

        public Tokenizer(Reader in) throws IOException {
            this.in = in;
            ch = in.read();
        }

        public String nextToken() throws IOException {
            skipWhite();
            if (ch == -1) {
                return null;
            }

            StringBuilder sb = new StringBuilder();
            char quoteChar = 0;

            while (ch != -1) {
                switch (ch) {
                    case ' ':
                    case '\t':
                    case '\f':
                        if (quoteChar == 0) {
                            return sb.toString();
                        }
                        sb.append((char) ch);
                        break;

                    case '\n':
                    case '\r':
                        return sb.toString();

                    case '\'':
                    case '"':
                        if (quoteChar == 0) {
                            quoteChar = (char) ch;
                        } else if (quoteChar == ch) {
                            quoteChar = 0;
                        } else {
                            sb.append((char) ch);
                        }
                        break;

                    case '\\':
                        if (quoteChar != 0) {
                            ch = in.read();
                            switch (ch) {
                                case '\n':
                                case '\r':
                                    while (ch == ' ' || ch == '\n' || ch == '\r' || ch == '\t' || ch == '\f') {
                                        ch = in.read();
                                    }
                                    continue;

                                case 'n':
                                    ch = '\n';
                                    break;
                                case 'r':
                                    ch = '\r';
                                    break;
                                case 't':
                                    ch = '\t';
                                    break;
                                case 'f':
                                    ch = '\f';
                                    break;
                            }
                        }
                        sb.append((char) ch);
                        break;

                    default:
                        sb.append((char) ch);
                }

                ch = in.read();
            }

            return sb.toString();
        }

        void skipWhite() throws IOException {
            while (ch != -1) {
                switch (ch) {
                    case ' ':
                    case '\t':
                    case '\n':
                    case '\r':
                    case '\f':
                        break;

                    case '#':
                        ch = in.read();
                        while (ch != '\n' && ch != '\r' && ch != -1) {
                            ch = in.read();
                        }
                        break;

                    default:
                        return;
                }

                ch = in.read();
            }
        }
    }

    @SuppressWarnings("fallthrough")
    private static void appendParsedEnvVariables(List<String> newArgs, String envVariable)
            throws UnmatchedQuote {

        if (envVariable == null) {
            return;
        }
        String in = System.getenv(envVariable);
        if (in == null || in.trim().isEmpty()) {
            return;
        }

        final char NUL = (char)0;
        final int len = in.length();

        int pos = 0;
        StringBuilder sb = new StringBuilder();
        char quote = NUL;
        char ch;

        loop:
        while (pos < len) {
            ch = in.charAt(pos);
            switch (ch) {
                case '\"': case '\'':
                    if (quote == NUL) {
                        quote = ch;
                    } else if (quote == ch) {
                        quote = NUL;
                    } else {
                        sb.append(ch);
                    }
                    pos++;
                    break;
                case '\f': case '\n': case '\r': case '\t': case ' ':
                    if (quote == NUL) {
                        newArgs.add(sb.toString());
                        sb.setLength(0);
                        while (ch == '\f' || ch == '\n' || ch == '\r' || ch == '\t' || ch == ' ') {
                            pos++;
                            if (pos >= len) {
                                break loop;
                            }
                            ch = in.charAt(pos);
                        }
                        break;
                    }
                    // fall through
                default:
                    sb.append(ch);
                    pos++;
            }
        }
        if (sb.length() != 0) {
            newArgs.add(sb.toString());
        }
        if (quote != NUL) {
            throw new UnmatchedQuote(envVariable);
        }
    }

    public static class UnmatchedQuote extends Exception {
        private static final long serialVersionUID = 0;

        public final String variableName;

        UnmatchedQuote(String variable) {
            this.variableName = variable;
        }
    }
}

com/sun/tools/javac/main/CommandLine.java

 

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