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0c8de5b03c
Among all the modifications, this new byacc also solves a 14 year old bug [1] PR: bin/23254 [1] Submitted by: marka@nominum.com [1] MFC after: 3 weeks
403 lines
8.9 KiB
C
403 lines
8.9 KiB
C
/* $Id: error.c,v 1.11 2014/04/07 22:22:49 tom Exp $ */
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/* routines for printing error messages */
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#include "defs.h"
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void
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fatal(const char *msg)
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{
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fprintf(stderr, "%s: f - %s\n", myname, msg);
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done(2);
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}
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void
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no_space(void)
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{
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fprintf(stderr, "%s: f - out of space\n", myname);
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done(2);
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}
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void
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open_error(const char *filename)
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{
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fprintf(stderr, "%s: f - cannot open \"%s\"\n", myname, filename);
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done(2);
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}
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void
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missing_brace(void)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", missing '}'\n",
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myname, lineno, input_file_name);
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done(1);
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}
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void
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unexpected_EOF(void)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", unexpected end-of-file\n",
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myname, lineno, input_file_name);
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done(1);
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}
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static void
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print_pos(const char *st_line, const char *st_cptr)
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{
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const char *s;
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if (st_line == 0)
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return;
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for (s = st_line; *s != '\n'; ++s)
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{
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if (isprint(UCH(*s)) || *s == '\t')
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putc(*s, stderr);
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else
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putc('?', stderr);
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}
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putc('\n', stderr);
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for (s = st_line; s < st_cptr; ++s)
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{
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if (*s == '\t')
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putc('\t', stderr);
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else
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putc(' ', stderr);
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}
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putc('^', stderr);
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putc('\n', stderr);
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}
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void
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syntax_error(int st_lineno, char *st_line, char *st_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", syntax error\n",
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myname, st_lineno, input_file_name);
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print_pos(st_line, st_cptr);
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done(1);
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}
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void
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unterminated_comment(int c_lineno, char *c_line, char *c_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", unmatched /*\n",
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myname, c_lineno, input_file_name);
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print_pos(c_line, c_cptr);
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done(1);
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}
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void
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unterminated_string(int s_lineno, char *s_line, char *s_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", unterminated string\n",
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myname, s_lineno, input_file_name);
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print_pos(s_line, s_cptr);
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done(1);
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}
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void
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unterminated_text(int t_lineno, char *t_line, char *t_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", unmatched %%{\n",
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myname, t_lineno, input_file_name);
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print_pos(t_line, t_cptr);
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done(1);
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}
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void
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unterminated_union(int u_lineno, char *u_line, char *u_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", unterminated %%union \
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declaration\n", myname, u_lineno, input_file_name);
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print_pos(u_line, u_cptr);
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done(1);
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}
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void
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over_unionized(char *u_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", too many %%union \
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declarations\n", myname, lineno, input_file_name);
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print_pos(line, u_cptr);
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done(1);
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}
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void
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illegal_tag(int t_lineno, char *t_line, char *t_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", illegal tag\n",
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myname, t_lineno, input_file_name);
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print_pos(t_line, t_cptr);
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done(1);
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}
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void
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illegal_character(char *c_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", illegal character\n",
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myname, lineno, input_file_name);
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print_pos(line, c_cptr);
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done(1);
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}
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void
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used_reserved(char *s)
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{
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fprintf(stderr,
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"%s: e - line %d of \"%s\", illegal use of reserved symbol \
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%s\n", myname, lineno, input_file_name, s);
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done(1);
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}
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void
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tokenized_start(char *s)
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{
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fprintf(stderr,
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"%s: e - line %d of \"%s\", the start symbol %s cannot be \
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declared to be a token\n", myname, lineno, input_file_name, s);
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done(1);
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}
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void
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retyped_warning(char *s)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", the type of %s has been \
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redeclared\n", myname, lineno, input_file_name, s);
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}
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void
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reprec_warning(char *s)
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{
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fprintf(stderr,
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"%s: w - line %d of \"%s\", the precedence of %s has been \
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redeclared\n", myname, lineno, input_file_name, s);
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}
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void
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revalued_warning(char *s)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", the value of %s has been \
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redeclared\n", myname, lineno, input_file_name, s);
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}
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void
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terminal_start(char *s)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", the start symbol %s is a \
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token\n", myname, lineno, input_file_name, s);
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done(1);
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}
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void
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restarted_warning(void)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", the start symbol has been \
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redeclared\n", myname, lineno, input_file_name);
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}
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void
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no_grammar(void)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", no grammar has been \
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specified\n", myname, lineno, input_file_name);
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done(1);
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}
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void
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terminal_lhs(int s_lineno)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", a token appears on the lhs \
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of a production\n", myname, s_lineno, input_file_name);
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done(1);
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}
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void
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prec_redeclared(void)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", conflicting %%prec \
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specifiers\n", myname, lineno, input_file_name);
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}
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void
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unterminated_action(int a_lineno, char *a_line, char *a_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", unterminated action\n",
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myname, a_lineno, input_file_name);
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print_pos(a_line, a_cptr);
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done(1);
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}
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void
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dollar_warning(int a_lineno, int i)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", $%d references beyond the \
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end of the current rule\n", myname, a_lineno, input_file_name, i);
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}
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void
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dollar_error(int a_lineno, char *a_line, char *a_cptr)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", illegal $-name\n",
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myname, a_lineno, input_file_name);
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print_pos(a_line, a_cptr);
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done(1);
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}
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void
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untyped_lhs(void)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", $$ is untyped\n",
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myname, lineno, input_file_name);
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done(1);
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}
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void
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untyped_rhs(int i, char *s)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", $%d (%s) is untyped\n",
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myname, lineno, input_file_name, i, s);
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done(1);
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}
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void
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unknown_rhs(int i)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", $%d is untyped\n",
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myname, lineno, input_file_name, i);
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done(1);
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}
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void
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default_action_warning(void)
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{
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fprintf(stderr,
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"%s: w - line %d of \"%s\", the default action assigns an \
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undefined value to $$\n", myname, lineno, input_file_name);
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}
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void
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undefined_goal(char *s)
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{
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fprintf(stderr, "%s: e - the start symbol %s is undefined\n", myname, s);
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done(1);
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}
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void
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undefined_symbol_warning(char *s)
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{
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fprintf(stderr, "%s: w - the symbol %s is undefined\n", myname, s);
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}
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#if ! defined(YYBTYACC)
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void
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unsupported_flag_warning(const char *flag, const char *details)
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{
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fprintf(stderr, "%s: w - %s flag unsupported, %s\n",
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myname, flag, details);
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}
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#endif
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#if defined(YYBTYACC)
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void
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at_warning(int a_lineno, int i)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", @%d references beyond the \
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end of the current rule\n", myname, a_lineno, input_file_name, i);
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}
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void
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at_error(int a_lineno, char *a_line, char *a_cptr)
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{
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fprintf(stderr,
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"%s: e - line %d of \"%s\", illegal @$ or @N reference\n",
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myname, a_lineno, input_file_name);
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print_pos(a_line, a_cptr);
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done(1);
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}
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void
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unterminated_arglist(int a_lineno, char *a_line, char *a_cptr)
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{
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fprintf(stderr,
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"%s: e - line %d of \"%s\", unterminated argument list\n",
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myname, a_lineno, input_file_name);
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print_pos(a_line, a_cptr);
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done(1);
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}
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void
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arg_number_disagree_warning(int a_lineno, char *a_name)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", number of arguments of %s "
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"doesn't agree with previous declaration\n",
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myname, a_lineno, input_file_name, a_name);
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}
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void
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bad_formals(void)
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{
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fprintf(stderr, "%s: e - line %d of \"%s\", bad formal argument list\n",
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myname, lineno, input_file_name);
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print_pos(line, cptr);
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done(1);
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}
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void
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arg_type_disagree_warning(int a_lineno, int i, char *a_name)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", type of argument %d "
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"to %s doesn't agree with previous declaration\n",
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myname, a_lineno, input_file_name, i, a_name);
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}
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void
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unknown_arg_warning(int d_lineno, const char *dlr_opt, const char *d_arg, const char
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*d_line, const char *d_cptr)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", unknown argument %s%s\n",
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myname, d_lineno, input_file_name, dlr_opt, d_arg);
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print_pos(d_line, d_cptr);
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}
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void
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untyped_arg_warning(int a_lineno, const char *dlr_opt, const char *a_name)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", untyped argument %s%s\n",
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myname, a_lineno, input_file_name, dlr_opt, a_name);
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}
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void
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wrong_number_args_warning(const char *which, const char *a_name)
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{
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fprintf(stderr,
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"%s: w - line %d of \"%s\", wrong number of %sarguments for %s\n",
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myname, lineno, input_file_name, which, a_name);
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print_pos(line, cptr);
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}
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void
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wrong_type_for_arg_warning(int i, char *a_name)
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{
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fprintf(stderr,
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"%s: w - line %d of \"%s\", wrong type for default argument %d to %s\n",
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myname, lineno, input_file_name, i, a_name);
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print_pos(line, cptr);
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}
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void
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start_requires_args(char *a_name)
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{
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fprintf(stderr,
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"%s: w - line %d of \"%s\", start symbol %s requires arguments\n",
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myname, 0, input_file_name, a_name);
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}
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void
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destructor_redeclared_warning(int a_lineno, char *a_line, char *a_cptr)
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{
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fprintf(stderr, "%s: w - line %d of \"%s\", destructor redeclared\n",
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myname, a_lineno, input_file_name);
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print_pos(a_line, a_cptr);
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}
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#endif
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