util.h

来自「tiny编译器++」· C头文件 代码 · 共 47 行

/****************************************************/
/* 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 newProgNode creates a new declaration
* node for syntax tree construction
*/
TreeNode * newProgNode(void);

/* Function newDeclNode creates a new declaration
* node for syntax tree construction
*/
TreeNode * newDeclNode(DeclKind);

/* 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