/* routines for printing error messages  */#include "defs.h"fatal(msg)char *msg;{    fprintf(stderr, "%s: f - %s\n", myname, msg);    done(2);}no_space(){    fprintf(stderr, "%s: f - out of space\n", myname);    done(2);}open_error(filename)char *filename;{    fprintf(stderr, "%s: f - cannot open \"%s\"\n", myname, filename);    done(2);}unexpected_EOF(){    fprintf(stderr, "%s: e - line %d of \"%s\", unexpected end-of-file\n",	    myname, lineno, input_file_name);    done(1);}print_pos(st_line, st_cptr)char *st_line;char *st_cptr;{    register char *s;    if (st_line == 0) return;    for (s = st_line; *s != '\n'; ++s)    {	if (isprint(*s) || *s == '\t')	    putc(*s, stderr);	else	    putc('?', stderr);    }    putc('\n', stderr);    for (s = st_line; s < st_cptr; ++s)    {	if (*s == '\t')	    putc('\t', stderr);	else	    putc(' ', stderr);    }    putc('^', stderr);    putc('\n', stderr);}syntax_error(st_lineno, st_line, st_cptr)int st_lineno;char *st_line;char *st_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", syntax error\n",	    myname, st_lineno, input_file_name);    print_pos(st_line, st_cptr);    done(1);}unterminated_comment(c_lineno, c_line, c_cptr)int c_lineno;char *c_line;char *c_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", unmatched /*\n",	    myname, c_lineno, input_file_name);    print_pos(c_line, c_cptr);    done(1);}unterminated_string(s_lineno, s_line, s_cptr)int s_lineno;char *s_line;char *s_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", unterminated string\n",	    myname, s_lineno, input_file_name);    print_pos(s_line, s_cptr);    done(1);}unterminated_text(t_lineno, t_line, t_cptr)int t_lineno;char *t_line;char *t_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", unmatched %%{\n",	    myname, t_lineno, input_file_name);    print_pos(t_line, t_cptr);    done(1);}unterminated_union(u_lineno, u_line, u_cptr)int u_lineno;char *u_line;char *u_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", unterminated %%union \declaration\n", myname, u_lineno, input_file_name);    print_pos(u_line, u_cptr);    done(1);}over_unionized(u_cptr)char *u_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", too many %%union \declarations\n", myname, lineno, input_file_name);    print_pos(line, u_cptr);    done(1);}illegal_tag(t_lineno, t_line, t_cptr)int t_lineno;char *t_line;char *t_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", illegal tag\n",	    myname, t_lineno, input_file_name);    print_pos(t_line, t_cptr);    done(1);}illegal_character(c_cptr)char *c_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", illegal character\n",	    myname, lineno, input_file_name);    print_pos(line, c_cptr);    done(1);}used_reserved(s)char *s;{    fprintf(stderr, "%s: e - line %d of \"%s\", illegal use of reserved symbol \%s\n", myname, lineno, input_file_name, s);    done(1);}tokenized_start(s)char *s;{     fprintf(stderr, "%s: e - line %d of \"%s\", the start symbol %s cannot be \declared to be a token\n", myname, lineno, input_file_name, s);     done(1);}retyped_warning(s)char *s;{    fprintf(stderr, "%s: w - line %d of \"%s\", the type of %s has been \redeclared\n", myname, lineno, input_file_name, s);}reprec_warning(s)char *s;{    fprintf(stderr, "%s: w - line %d of \"%s\", the precedence of %s has been \redeclared\n", myname, lineno, input_file_name, s);}revalued_warning(s)char *s;{    fprintf(stderr, "%s: w - line %d of \"%s\", the value of %s has been \redeclared\n", myname, lineno, input_file_name, s);}terminal_start(s)char *s;{    fprintf(stderr, "%s: e - line %d of \"%s\", the start symbol %s is a \token\n", myname, lineno, input_file_name, s);    done(1);}restarted_warning(){    fprintf(stderr, "%s: w - line %d of \"%s\", the start symbol has been \redeclared\n", myname, lineno, input_file_name);}no_grammar(){    fprintf(stderr, "%s: e - line %d of \"%s\", no grammar has been \specified\n", myname, lineno, input_file_name);    done(1);}terminal_lhs(s_lineno)int s_lineno;{    fprintf(stderr, "%s: e - line %d of \"%s\", a token appears on the lhs \of a production\n", myname, s_lineno, input_file_name);    done(1);}prec_redeclared(){    fprintf(stderr, "%s: w - line %d of  \"%s\", conflicting %%prec \specifiers\n", myname, lineno, input_file_name);}unterminated_action(a_lineno, a_line, a_cptr)int a_lineno;char *a_line;char *a_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", unterminated action\n",	    myname, a_lineno, input_file_name);    print_pos(a_line, a_cptr);    done(1);}dollar_warning(a_lineno, i)int a_lineno;int i;{    fprintf(stderr, "%s: w - line %d of \"%s\", $%d references beyond the \end of the current rule\n", myname, a_lineno, input_file_name, i);}dollar_error(a_lineno, a_line, a_cptr)int a_lineno;char *a_line;char *a_cptr;{    fprintf(stderr, "%s: e - line %d of \"%s\", illegal $-name\n",	    myname, a_lineno, input_file_name);    print_pos(a_line, a_cptr);    done(1);}untyped_lhs(){    fprintf(stderr, "%s: e - line %d of \"%s\", $$ is untyped\n",	    myname, lineno, input_file_name);    done(1);}untyped_rhs(i, s)int i;char *s;{    fprintf(stderr, "%s: e - line %d of \"%s\", $%d (%s) is untyped\n",	    myname, lineno, input_file_name, i, s);    done(1);}unknown_rhs(i)int i;{    fprintf(stderr, "%s: e - line %d of \"%s\", $%d is untyped\n",	    myname, lineno, input_file_name, i);    done(1);}default_action_warning(){    fprintf(stderr, "%s: w - line %d of \"%s\", the default action assigns an \undefined value to $$\n", myname, lineno, input_file_name);}undefined_goal(s)char *s;{    fprintf(stderr, "%s: e - the start symbol %s is undefined\n", myname, s);    done(1);}undefined_symbol_warning(s)char *s;{    fprintf(stderr, "%s: w - the symbol %s is undefined\n", myname, s);}