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50 lines
831 B
C
50 lines
831 B
C
char rcsid_nonterminal[] = "$Id$";
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#include "b.h"
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#include <stdio.h>
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#include <string.h>
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NonTerminal start;
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NonTerminalNum max_nonterminal = 1;
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NonTerminalNum last_user_nonterminal;
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List nonterminals;
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NonTerminal
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newNonTerminal(name) char *name;
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{
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NonTerminal nt;
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nt = (NonTerminal) zalloc(sizeof(struct nonterminal));
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assert(nt);
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if (max_nonterminal == 1) {
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start = nt;
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}
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nt->name = name;
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nt->num = max_nonterminal++;
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nonterminals = newList(nt, nonterminals);
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return nt;
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}
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int
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nonTerminalName(buf, i) char *buf; int i;
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{
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List l;
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for (l = nonterminals; l; l = l->next) {
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NonTerminal nt = (NonTerminal) l->x;
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if (nt->num == i) {
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strcpy(buf, nt->name);
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return 1;
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}
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}
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strcpy(buf, "(Unknown NonTerminal)");
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return 0;
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}
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void
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dumpNonTerminal(n) NonTerminal n;
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{
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printf("%s(%d)", n->name, n->num);
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}
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