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package org.xreate.grammatic.lisp;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import java.util.ArrayList;
import java.util.Map;


public class ASTLispNode {
    public String caption;
    public ArrayList<ASTLispNode> parameters = Lists.newArrayList();
    
    protected Map<String, ASTLispNode> index;
    
    public ASTLispNode(String c){
        caption = c;
    }
    
    public ASTLispNode add(ASTLispNode node){
        parameters.add(node);
        return node;
    }
    
    public ASTLispNode get(String node){
        if (null == index){
            buildIndex();
        }
        
        return index.get(node);
    }
    
    protected void buildIndex(){
        index = Maps.newHashMap();
        
        for (ASTLispNode param : parameters){
            index.put(param.caption, param);
        }
    }
}
class ASTLispConstantNode extends ASTLispNode{
    public int value;
    
    public ASTLispConstantNode(String c) {
        super(c);
        
        value = Integer.parseInt(c);
    }
}


class NodeFunctionVarsList {
    ASTLispNode node;
    
    NodeFunctionVarsList(ASTLispNode node){
        this.node = node;
    }
    
    String[] getVarNames(){
        int size = node.parameters.size();
        
        String[] result = new String[size];
        
        for(int i=0; i<size; i++){
            result[i] = node.parameters.get(i).get("name").parameters.get(0).caption;
        }
        
        return result;
    }
}