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Formerly variable.c.~9~

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This commit is contained in:
Roland McGrath 1992-08-02 09:10:03 +00:00
parent 8aff0091fc
commit b95e47d401
1 changed files with 76 additions and 1 deletions
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77
variable.c
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@ -558,7 +558,8 @@ try_variable_definition (line, origin)
p = next_token (p);
return define_variable (beg, end - beg,
recursive ? p : variable_expand (p),
/* !!! compile frob */
(recursive && !compiling) ? p : variable_expand (p),
origin, recursive);
}
@ -695,3 +696,77 @@ print_file_variables (file)
if (file->variables != 0)
print_variable_set (file->variables->set, "# ");
}
/* !!!! compile frobbing: frobbed try_variable_definition. */
void
enter_variable (struct variable *variable)
{
struct variable_set *set = &global_variable_set;
register unsigned int hashval;
register char *p;
register struct variable *v;
hashval = 0;
for (p = variable->name; *p != '\0'; ++p)
HASH (hashval, *p);
hashval %= set->buckets;
for (v = set->table[hashval]; v != 0; v = v->next)
if (streq (v->name, variable->name))
break;
if (v == 0)
{
variable->next = set->table[hashval];
set->table[hashval] = variable;
}
else
{
if (env_overrides && v->origin == o_env)
/* V came from in the environment. Since it was defined
before the switches were parsed, it wasn't affected by -e. */
v->origin = o_env_override;
/* A variable of this name is already defined.
If the old definition is from a stronger source
than this one, don't redefine it. */
if ((int) variable->origin >= (int) v->origin)
{
v->value = variable->value;
v->origin = variable->origin;
v->recursive = variable->recursive;
if (v->export == v_default || variable->export != v_default)
v->export = variable->export;
}
}
}
struct variable *
variable_global_linear_list ()
{
struct variable_set *set = &global_variable_set;
register unsigned int bucket;
register struct variable *v, *nextv;
struct variable *chain = NULL;
for (bucket = 0; bucket < set->buckets; ++bucket)
for (v = set->table[bucket]; v != NULL; v = nextv)
{
nextv = v->next;
switch (v->origin)
{
case o_file:
case o_command:
case o_override:
v->next = chain;
chain = v;
break;
default:
break;
}
}
return chain;
}