driverparser.c

Trees are natural structures for representing certain kinds of hierarchical data. A (rooted) tree co

#include <stdio.h>
#include "Tree.h"

void writeElt(TreeElementType E) { printf("%s ", E); }

Tree parse();

main()
 { Tree T;
   printf("Simple Parser Demonstration, L.Allison, .au\n");
   printf("Type simple expression e.g. a+b*c\n");

   T = parse();

   WriteTree(T);
   printf("prefix:  ");  prefix(T, writeElt); printf("\n");
   printf("infix:   ");   infix(T, writeElt); printf("\n");
   printf("postfix: "); postfix(T, writeElt); printf("\n");
 }

/* Driver for Simple Parser */