JDK 11 jdk.jshell.jmod - JShell Tool

JDK 11 jdk.jshell.jmod is the JMOD file for JDK 11 JShell tool, which can be invoked by the "jshell" command.

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

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

JDK 11 JShell tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jshell.

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

✍: FYIcenter

jdk/internal/jshell/tool/ContinuousCompletionProvider.java

/*
 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package jdk.internal.jshell.tool;

import java.util.List;
import static java.util.Comparator.comparing;
import java.util.Map;
import java.util.function.BiPredicate;
import java.util.function.Supplier;
import static java.util.stream.Collectors.toList;
import java.util.stream.Stream;
import jdk.internal.jshell.tool.JShellTool.CompletionProvider;
import jdk.jshell.SourceCodeAnalysis;
import jdk.jshell.SourceCodeAnalysis.Suggestion;

class ContinuousCompletionProvider implements CompletionProvider {

    static final BiPredicate<String, String> STARTSWITH_MATCHER = String::startsWith;
    static final BiPredicate<String, String> PERFECT_MATCHER = String::equals;

    private final Supplier<Map<String, CompletionProvider>> wordCompletionProviderSupplier;
    private final BiPredicate<String, String> matcher;

    ContinuousCompletionProvider(
            Map<String, CompletionProvider> wordCompletionProvider,
            BiPredicate<String, String> matcher) {
        this(() -> wordCompletionProvider, matcher);
    }

    ContinuousCompletionProvider(
            Supplier<Map<String, CompletionProvider>> wordCompletionProviderSupplier,
            BiPredicate<String, String> matcher) {
        this.wordCompletionProviderSupplier = wordCompletionProviderSupplier;
        this.matcher = matcher;
    }

    @Override
    public List<Suggestion> completionSuggestions(String input, int cursor, int[] anchor) {
        String prefix = input.substring(0, cursor);
        int space = prefix.indexOf(' ');

        Stream<SourceCodeAnalysis.Suggestion> result;

        Map<String, CompletionProvider> wordCompletionProvider = wordCompletionProviderSupplier.get();

        if (space == (-1)) {
            result = wordCompletionProvider.keySet().stream()
                    .distinct()
                    .filter(key -> key.startsWith(prefix))
                    .map(key -> new JShellTool.ArgSuggestion(key + " "));
            anchor[0] = 0;
        } else {
            String rest = prefix.substring(space + 1);
            String word = prefix.substring(0, space);

            List<CompletionProvider> candidates = wordCompletionProvider.entrySet().stream()
                    .filter(e -> matcher.test(e.getKey(), word))
                    .map(Map.Entry::getValue)
                    .collect(toList());
            if (candidates.size() == 1) {
                result = candidates.get(0).completionSuggestions(rest, cursor - space - 1, anchor).stream();
            } else {
                result = Stream.empty();
            }
            anchor[0] += space + 1;
        }

        return result.sorted(comparing(Suggestion::continuation))
                     .collect(toList());
    }

}

jdk/internal/jshell/tool/ContinuousCompletionProvider.java

 

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2018-11-10, 3915👍, 0💬