diff options
Diffstat (limited to 'contrib/byacc/error.c')
| -rw-r--r-- | contrib/byacc/error.c | 288 |
1 files changed, 288 insertions, 0 deletions
diff --git a/contrib/byacc/error.c b/contrib/byacc/error.c new file mode 100644 index 0000000..3bab31b --- /dev/null +++ b/contrib/byacc/error.c @@ -0,0 +1,288 @@ +/* $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); +} |
