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package com.cloudbees.groovy.cps.impl;

import com.cloudbees.groovy.cps.Block;
import com.cloudbees.groovy.cps.Continuation;
import com.cloudbees.groovy.cps.Env;
import com.cloudbees.groovy.cps.Next;

import java.util.HashMap;
import java.util.Map;

/**
* @author Kohsuke Kawaguchi
*/
public class VariableDeclBlock implements Block {
    private final Class type;
    private final String name;

    public VariableDeclBlock(Class type, String name) {
        this.type = type;
        this.name = name;
    }

    public Next eval(final Env e, final Continuation k) {
        e.declareVariable(type, name);
        e.setLocalVariable(name, defaultPrimitiveValue.get(type));
        return k.receive(null);
    }

    private static final long serialVersionUID = 1L;

    private static final Map defaultPrimitiveValue = new HashMap();
    static {
        defaultPrimitiveValue.put(boolean.class,false);
        defaultPrimitiveValue.put(int.class,0);
        defaultPrimitiveValue.put(long.class,0L);
        defaultPrimitiveValue.put(float.class,0.0f);
        defaultPrimitiveValue.put(double.class,0.0d);
        // TODO: complete the rest
    }
}