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src/util.h

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+/****************************************************/
+/* File: util.h                                     */
+/* Utility functions for the TINY compiler          */
+/* Compiler Construction: Principles and Practice   */
+/* Kenneth C. Louden                                */
+/****************************************************/
+
+#ifndef _UTIL_H_
+#define _UTIL_H_
+
+#include "globals.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