static unsigned int
dict_hash (const char *string0)
{
/* The Ada-encoded version of a name P1.P2...Pn has either the form
P1__P2__...Pn<suffix> or _ada_P1__P2__...Pn<suffix> (where the Pi
are lower-cased identifiers). The <suffix> (which can be empty)
encodes additional information about the denoted entity. This
routine hashes such names to msymbol_hash_iw(Pn). It actually
does this for a superset of both valid Pi and of <suffix>, but
in other cases it simply returns msymbol_hash_iw(STRING0). */
const char *string;
unsigned int hash;
string = string0;
if (*string == '_')
{
if (strncmp (string, "_ada_", 5) == 0)
string += 5;
else
return msymbol_hash_iw (string0);
}
hash = 0;
while (*string)
{
switch (*string)
{
case '$':
case '.':
case 'X':
if (string0 == string)
return msymbol_hash_iw (string0);
else
return hash;
case ' ':
case '(':
return msymbol_hash_iw (string0);
case '_':
if (string[1] == '_' && string != string0)
{
int c = string[2];
if ((c < 'a' || c > 'z') && c != 'O')
return hash;
hash = 0;
string += 2;
break;
}
/* FALL THROUGH */
default:
hash = SYMBOL_HASH_NEXT (hash, *string);
string += 1;
break;
}
}
return hash;
}
unsigned int
msymbol_hash (const char *string)
{
unsigned int hash = 0;
for (; *string; ++string)
hash = SYMBOL_HASH_NEXT (hash, *string);
return hash;
}
unsigned int
msymbol_hash_iw (const char *string)
{
unsigned int hash = 0;
while (*string && *string != '(')
{
string = skip_spaces (string);
if (*string && *string != '(')
{
hash = SYMBOL_HASH_NEXT (hash, *string);
++string;
}
}
return hash;
}
static unsigned int
dict_hash (const char *string0)
{
/* The Ada-encoded version of a name P1.P2...Pn has either the form
P1__P2__...Pn<suffix> or _ada_P1__P2__...Pn<suffix> (where the Pi
are lower-cased identifiers). The <suffix> (which can be empty)
encodes additional information about the denoted entity. This
routine hashes such names to msymbol_hash_iw(Pn). It actually
does this for a superset of both valid Pi and of <suffix>, but
in other cases it simply returns msymbol_hash_iw(STRING0). */
const char *string;
unsigned int hash;
string = string0;
if (*string == '_')
{
if (strncmp (string, "_ada_", 5) == 0)
string += 5;
else
return msymbol_hash_iw (string0);
}
hash = 0;
while (*string)
{
/* Ignore "TKB" suffixes.
These are used by Ada for subprograms implementing a task body.
For instance for a task T inside package Pck, the name of the
subprogram implementing T's body is `pck__tTKB'. We need to
ignore the "TKB" suffix because searches for this task body
subprogram are going to be performed using `pck__t' (the encoded
version of the natural name `pck.t'). */
if (strcmp (string, "TKB") == 0)
return hash;
switch (*string)
{
case '$':
case '.':
case 'X':
if (string0 == string)
return msymbol_hash_iw (string0);
else
return hash;
case ' ':
case '(':
return msymbol_hash_iw (string0);
case '_':
if (string[1] == '_' && string != string0)
{
int c = string[2];
if ((c < 'a' || c > 'z') && c != 'O')
return hash;
hash = 0;
string += 2;
break;
}
/* FALL THROUGH */
default:
hash = SYMBOL_HASH_NEXT (hash, *string);
string += 1;
break;
}
}
return hash;
}
