util.h

来自「小型编译系统的源代码」· C头文件 代码 · 共 35 行

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