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/comp/TreeHasher.java

/*
 * Copyright (c) 2018, Google LLC. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.tools.javac.comp;

import com.sun.tools.javac.code.Symbol;
import com.sun.tools.javac.tree.JCTree;
import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
import com.sun.tools.javac.tree.JCTree.JCIdent;
import com.sun.tools.javac.tree.JCTree.JCLiteral;
import com.sun.tools.javac.tree.JCTree.JCVariableDecl;
import com.sun.tools.javac.tree.TreeInfo;
import com.sun.tools.javac.tree.TreeScanner;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

/** A tree visitor that computes a hash code. */
public class TreeHasher extends TreeScanner {

    private final Map<Symbol, Integer> symbolHashes;
    private int result = 17;

    public TreeHasher(Map<Symbol, Integer> symbolHashes) {
        this.symbolHashes = Objects.requireNonNull(symbolHashes);
    }

    public static int hash(JCTree tree, Collection<? extends Symbol> symbols) {
        if (tree == null) {
            return 0;
        }
        Map<Symbol, Integer> symbolHashes = new HashMap<>();
        symbols.forEach(s -> symbolHashes.put(s, symbolHashes.size()));
        TreeHasher hasher = new TreeHasher(symbolHashes);
        tree.accept(hasher);
        return hasher.result;
    }

    private void hash(Object object) {
        result = 31 * result + Objects.hashCode(object);
    }

    @Override
    public void scan(JCTree tree) {
        if (tree == null) {
            return;
        }
        tree = TreeInfo.skipParens(tree);
        if (tree.type != null) {
            Object value = tree.type.constValue();
            if (value != null) {
                hash(value);
                return;
            }
        }
        hash(tree.getTag());
        tree.accept(this);
    }

    @Override
    public void visitLiteral(JCLiteral tree) {
        hash(tree.value);
        super.visitLiteral(tree);
    }

    @Override
    public void visitIdent(JCIdent tree) {
        Symbol sym = tree.sym;
        if (sym != null) {
            Integer hash = symbolHashes.get(sym);
            if (hash != null) {
                hash(hash);
                return;
            }
        }
        hash(sym);
    }

    @Override
    public void visitSelect(JCFieldAccess tree) {
        hash(tree.sym);
        super.visitSelect(tree);
    }

    @Override
    public void visitVarDef(JCVariableDecl tree) {
        symbolHashes.computeIfAbsent(tree.sym, k -> symbolHashes.size());
        super.visitVarDef(tree);
    }
}

com/sun/tools/javac/comp/TreeHasher.java

 

JDK 11 jdk.crypto.cryptoki.jmod - Crypto KI Module

JDK 11 jdk.charsets.jmod - Charsets Module

Download and Use JDK 11

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2018-11-09, 7380👍, 0💬