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Merge vvagin@work.mysql.com:/home/bk/mysql-4.1

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into eagle.mysql.r18.ru:/home/vva/work/sanya_bug/4.1


BitKeeper/etc/logging_ok:
  auto-union
This commit is contained in:
unknown 2002-12-16 00:01:08 +04:00
commit 19ca6d368b
1 changed files with 52 additions and 6 deletions
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56
sql/gen_lex_hash.cc
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@ -200,18 +200,20 @@ void insert_sql_functions()
} }
} }
void generate_find_structs() void calc_length()
{ {
root_by_len= 0;
max_len=0;
size_t i;
SYMBOL *cur, *end= symbols + array_elements(symbols); SYMBOL *cur, *end= symbols + array_elements(symbols);
for (cur= symbols; cur < end; cur++) for (cur= symbols; cur < end; cur++)
cur->length=(uchar) strlen(cur->name); cur->length=(uchar) strlen(cur->name);
end= sql_functions + array_elements(sql_functions); end= sql_functions + array_elements(sql_functions);
for (cur= sql_functions; cur<end; cur++) for (cur= sql_functions; cur<end; cur++)
cur->length=(uchar) strlen(cur->name); cur->length=(uchar) strlen(cur->name);
}
void generate_find_structs()
{
root_by_len= 0;
max_len=0;
insert_symbols(); insert_symbols();
@ -351,6 +353,45 @@ static int get_options(int argc, char **argv)
return(0); return(0);
} }
int check_dup_symbols(SYMBOL *s1, SYMBOL *s2)
{
if (s1->length!=s2->length || strncmp(s1->name,s2->name,s1->length))
return 0;
const char *err_tmpl= "\ngen_lex_hash fatal error : \
Unfortunately gen_lex_hash can not generate a hash,\n since \
your lex.h has duplicate definition for a symbol \"%s\"\n\n";
printf (err_tmpl,s1->name);
fprintf (stderr,err_tmpl,s1->name);
return 1;
}
int check_duplicates()
{
SYMBOL *cur1, *cur2, *s_end, *f_end;
s_end= symbols + array_elements(symbols);
f_end= sql_functions + array_elements(sql_functions);
for (cur1= symbols; cur1<s_end; cur1++)
{
for (cur2= cur1+1; cur2<s_end; cur2++)
if (check_dup_symbols(cur1,cur2))
return 1;
for (cur2= sql_functions; cur2<f_end; cur2++)
if (check_dup_symbols(cur1,cur2))
return 1;
}
for (cur1= sql_functions; cur1<f_end; cur1++)
for (cur2= cur1+1; cur2< f_end; cur2++)
if (check_dup_symbols(cur1,cur2))
return 1;
return 0;
}
int main(int argc,char **argv) int main(int argc,char **argv)
{ {
MY_INIT(argv[0]); MY_INIT(argv[0]);
@ -376,6 +417,11 @@ int main(int argc,char **argv)
a perfect\nhash function */\n\n"); a perfect\nhash function */\n\n");
printf("#include \"lex.h\"\n\n"); printf("#include \"lex.h\"\n\n");
calc_length();
if (check_duplicates())
exit(1);
generate_find_structs(); generate_find_structs();
print_find_structs(); print_find_structs();