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- /*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
- /* $Id$ */
- /* OPERATOR HANDLING */
- #include "Lpars.h"
- int
- rank_of(oper)
- int oper;
- {
- /* The rank of the operator oper is returned.
- */
- switch (oper) {
- default:
- return 0;
- case '(':
- return 1;
- case '!':
- return 2;
- case '*':
- case '/':
- case '%':
- return 3;
- case '+':
- case '-':
- return 4;
- case LEFT:
- case RIGHT:
- return 5;
- case '<':
- case '>':
- case LESSEQ:
- case GREATEREQ:
- return 6;
- case EQUAL:
- case NOTEQUAL:
- return 7;
- case '&':
- return 8;
- case '^':
- return 9;
- case '|':
- return 10;
- case AND:
- return 11;
- case OR:
- return 12;
- case '?':
- case ':':
- return 13;
- case ',':
- return 15;
- }
- /*NOTREACHED*/
- }
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