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util.h
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util.h
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/****************************************************/
/* File: util.h */
/* Utility functions for the CMINUS 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*);
/* procedure changeExpNode changes a TreeNode of Expression
* to the certain kind
*/
void changeExpNode(TreeNode* ExpNode, ExpKind kind);
/* procedure changeExpNode changes a TreeNode of Stmt
* to the certain kind
*/
void changeStmtNode(TreeNode* StmtNode, StmtKind kind);
#endif