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freebsd/contrib/byacc/error.c
Baptiste Daroussin 98e903e7a0 Import byacc from invisible island, it brings us lots of compatibilities with
bison, keeping full compatibility with our previous yacc implementation.

Also bring the ability to create reentrant parser

This fix bin/140309 [1]

PR:		bin/140309 [1]
Submitted by:	Philippe Pepiot <ksh@philpep.org> [1]
Approved by:	des (mentor)
MFC after:	1 month
2012-05-21 13:31:26 +00:00

289 lines
6.0 KiB
C

/* $Id: error.c,v 1.9 2011/09/05 23:27:43 tom Exp $ */
/* routines for printing error messages */
#include "defs.h"
void
fatal(const char *msg)
{
fprintf(stderr, "%s: f - %s\n", myname, msg);
done(2);
}
void
no_space(void)
{
fprintf(stderr, "%s: f - out of space\n", myname);
done(2);
}
void
open_error(const char *filename)
{
fprintf(stderr, "%s: f - cannot open \"%s\"\n", myname, filename);
done(2);
}
void
missing_brace(void)
{
fprintf(stderr, "%s: e - line %d of \"%s\", missing '}'\n",
myname, lineno, input_file_name);
done(1);
}
void
unexpected_EOF(void)
{
fprintf(stderr, "%s: e - line %d of \"%s\", unexpected end-of-file\n",
myname, lineno, input_file_name);
done(1);
}
static void
print_pos(char *st_line, char *st_cptr)
{
char *s;
if (st_line == 0)
return;
for (s = st_line; *s != '\n'; ++s)
{
if (isprint(UCH(*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);
}
void
syntax_error(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);
}
void
unterminated_comment(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);
}
void
unterminated_string(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);
}
void
unterminated_text(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);
}
void
unterminated_union(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);
}
void
over_unionized(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);
}
void
illegal_tag(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);
}
void
illegal_character(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);
}
void
used_reserved(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);
}
void
tokenized_start(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);
}
void
retyped_warning(char *s)
{
fprintf(stderr, "%s: w - line %d of \"%s\", the type of %s has been \
redeclared\n", myname, lineno, input_file_name, s);
}
void
reprec_warning(char *s)
{
fprintf(stderr,
"%s: w - line %d of \"%s\", the precedence of %s has been \
redeclared\n", myname, lineno, input_file_name, s);
}
void
revalued_warning(char *s)
{
fprintf(stderr, "%s: w - line %d of \"%s\", the value of %s has been \
redeclared\n", myname, lineno, input_file_name, s);
}
void
terminal_start(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);
}
void
restarted_warning(void)
{
fprintf(stderr, "%s: w - line %d of \"%s\", the start symbol has been \
redeclared\n", myname, lineno, input_file_name);
}
void
no_grammar(void)
{
fprintf(stderr, "%s: e - line %d of \"%s\", no grammar has been \
specified\n", myname, lineno, input_file_name);
done(1);
}
void
terminal_lhs(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);
}
void
prec_redeclared(void)
{
fprintf(stderr, "%s: w - line %d of \"%s\", conflicting %%prec \
specifiers\n", myname, lineno, input_file_name);
}
void
unterminated_action(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);
}
void
dollar_warning(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);
}
void
dollar_error(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);
}
void
untyped_lhs(void)
{
fprintf(stderr, "%s: e - line %d of \"%s\", $$ is untyped\n",
myname, lineno, input_file_name);
done(1);
}
void
untyped_rhs(int i, char *s)
{
fprintf(stderr, "%s: e - line %d of \"%s\", $%d (%s) is untyped\n",
myname, lineno, input_file_name, i, s);
done(1);
}
void
unknown_rhs(int i)
{
fprintf(stderr, "%s: e - line %d of \"%s\", $%d is untyped\n",
myname, lineno, input_file_name, i);
done(1);
}
void
default_action_warning(void)
{
fprintf(stderr,
"%s: w - line %d of \"%s\", the default action assigns an \
undefined value to $$\n", myname, lineno, input_file_name);
}
void
undefined_goal(char *s)
{
fprintf(stderr, "%s: e - the start symbol %s is undefined\n", myname, s);
done(1);
}
void
undefined_symbol_warning(char *s)
{
fprintf(stderr, "%s: w - the symbol %s is undefined\n", myname, s);
}