ack/lang/cem/cemcom/LLmessage.c

68 lines
1.2 KiB
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Id$ */
/* PARSER ERROR ADMINISTRATION */
#include <alloc.h>
#include "nofloat.h"
#include "idf.h"
#include "arith.h"
#include "LLlex.h"
#include "Lpars.h"
extern char *symbol2str();
LLmessage(tk) {
err_occurred = 1;
if (tk < 0) {
error("end of file expected");
}
else if (tk) {
#ifndef LLNONCORR
error("%s missing before %s", symbol2str(tk), symbol2str(DOT));
#endif
insert_token(tk);
}
else {
#ifndef LLNONCORR
error("%s deleted", symbol2str(DOT));
#else
error("%s not expected", symbol2str(DOT));
#endif
}
tk_nmb_at_last_syn_err = token_nmb;
}
insert_token(tk)
int tk;
{
aside = dot;
DOT = tk;
switch (tk) {
/* The operands need some body */
case IDENTIFIER:
dot.tk_idf = gen_idf();
break;
case TYPE_IDENTIFIER:
dot.tk_idf = str2idf("int");
break;
case STRING:
dot.tk_bts = Salloc("", 1);
dot.tk_len = 1;
break;
case INTEGER:
dot.tk_fund = INT;
dot.tk_ival = 1;
break;
#ifndef NOFLOAT
case FLOATING:
dot.tk_fval = Salloc("0.0", 4);
break;
#endif /* NOFLOAT */
}
}