ocaml/yacc/error.c

305 lines
7.0 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the Q Public License version 1.0. */
/* */
/***********************************************************************/
/* Based on public-domain code from Berkeley Yacc */
/* $Id$ */
/* routines for printing error messages */
#include "defs.h"
void fatal(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(char *filename)
{
fprintf(stderr, "%s: f - cannot open \"%s\"\n", myname, filename);
done(2);
}
void unexpected_EOF(void)
{
fprintf(stderr, "%s: e - line %d of \"%s\", unexpected end-of-file\n",
myname, lineno, input_file_name);
done(1);
}
void print_pos(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);
}
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 entry point %s is a \
token\n", myname, lineno, input_file_name, s);
done(1);
}
void too_many_entries(void)
{
fprintf(stderr, "%s: e - line %d of \"%s\", more than 256 entry points\n",
myname, lineno, input_file_name);
done(1);
}
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 unbound\n",
myname, lineno, input_file_name, i);
done(1);
}
void illegal_token_ref(int i, char *name)
{
fprintf(stderr, "%s: e - line %d of \"%s\", $%d refers to terminal `%s', which has no argument\n",
myname, lineno, input_file_name, i, name);
done(1);
}
void default_action_error(void)
{
fprintf(stderr, "%s: e - line %d of \"%s\", no action specified for this production\n",
myname, lineno, input_file_name);
done(1);
}
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);
}
void entry_without_type(char *s)
{
fprintf(stderr,
"%s: e - no type has been declared for the start symbol %s\n",
myname, s);
done(1);
}