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The main Qbicc compiler

There is a newer version: 0.77.0

package org.qbicc.graph;

import java.util.Map;
import java.util.Objects;

import org.qbicc.type.definition.element.ExecutableElement;

/**
 * A terminator which designates a subsequent block for normal execution.
 */
public final class Goto extends AbstractTerminator implements Resume {
    private final Node dependency;
    private final BlockLabel targetLabel;
    private final BasicBlock terminatedBlock;

    Goto(final Node callSite, final ExecutableElement element, final int line, final int bci, final BlockEntry blockEntry, Node dependency, BlockLabel targetLabel, Map targetArguments) {
        super(callSite, element, line, bci, targetArguments);
        terminatedBlock = new BasicBlock(blockEntry, this);
        this.dependency = dependency;
        this.targetLabel = targetLabel;
    }

    public BasicBlock getTerminatedBlock() {
        return terminatedBlock;
    }

    public BlockLabel getResumeTargetLabel() {
        return targetLabel;
    }

    @Override
    public Node getDependency() {
        return dependency;
    }

    public int getSuccessorCount() {
        return 1;
    }

    public BasicBlock getSuccessor(final int index) {
        return index == 0 ? getResumeTarget() : Util.throwIndexOutOfBounds(index);
    }

    public  R accept(final TerminatorVisitor visitor, final T param) {
        return visitor.visit(param, this);
    }

    int calcHashCode() {
        return Objects.hash(Goto.class, dependency, targetLabel);
    }

    @Override
    String getNodeName() {
        return "Goto";
    }

    public boolean equals(final Object other) {
        return other instanceof Goto && equals((Goto) other);
    }

    public boolean equals(final Goto other) {
        return this == other || other != null
            && dependency.equals(other.dependency)
            && targetLabel.equals(other.targetLabel);
    }
}