package org.shedlang.compiler.shid.instructions;

import org.shedlang.compiler.sources.Source;
import org.shedlang.compiler.types.SimpleStructType;

import java.util.List;

/**
 * Pop a value from the temporary value stack, find the case corresponding to
 * that value's type, and execute the case's body. If there is no such case, the
 * behaviour of this instruction is not defined.
 * <p>
 * Each case body should push exactly one value onto the temporary value stack.
 */
public record ShidSwitch(
    List<Case> cases,
    Source source
) implements ShidInstruction {
    public record Case(SimpleStructType caseType, ShidBlock body, Source source) {
    }

    @Override
    public boolean isBlockTerminator() {
        return false;
    }
}