boil/TypeFactory.java


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package boil;

import misc.*;
import java.util.HashMap;

public class TypeFactory {

    private int type_num;
    private HashMap<String,String> map;

    public void reset() {
        this.type_num = 0;
        this.map = new HashMap<>();
    }

    public String alias(String t) {
        /**
         * Given a TypeInstance, return the designated
         * vapor alias. If the alias does not exist, create it.
         */
        String alias;
        if ((alias = this.map.get(t)) == null) {
            alias = String.format("t.%d", this.type_num++);
            MinimalLogger.info(String.format("Created alias %s for %s...",
                                             alias,
                                             t));

            this.map.put(t, alias);
        }

        return alias;
    }

}