c--词法分析

				import java.util.Vector;				import org.antlr.runtime.*;				import org.antlr.runtime.tree.*;								public class Function{					public Vector params;					public CommonTree tree;					public String name;					public String return_type;										public Function(String n, String r, Vector my_params, CommonTree my_tree){						name=n;						return_type=r;						params=my_params;						tree=my_tree;					}				}