/****************************************************//* File: util.h                                     *//* Utility functions for the TINY compiler          *//* Compiler Construction: Principles and Practice   *//* Kenneth C. Louden                                *//****************************************************/#ifndef _UTIL_H_#define _UTIL_H_/* Procedure printToken prints a token  * and its lexeme to the listing file */void printToken( TokenType, const char* );/* Function newStmtNode creates a new statement * node for syntax tree construction */TreeNode * newStmtNode(StmtKind);/* Function newExpNode creates a new expression  * node for syntax tree construction */TreeNode * newExpNode(ExpKind);/* Function copyString allocates and makes a new * copy of an existing string */char * copyString( char * );/* procedure printTree prints a syntax tree to the  * listing file using indentation to indicate subtrees */void printTree( TreeNode * );#endif