SCM
scm_the_root_module (void)
{
if (scm_module_system_booted_p)
return SCM_VARIABLE_REF (the_root_module_var);
else
return SCM_BOOL_F;
}
SWIGINTERN swig_module_info *
SWIG_Guile_GetModule(void)
{
SCM module;
SCM variable;
module = SWIG_Guile_Init();
variable = scm_sym2var(scm_from_locale_symbol("swig-type-list-address" SWIG_RUNTIME_VERSION SWIG_TYPE_TABLE_NAME),
scm_module_lookup_closure(module),
SCM_BOOL_T);
if (SCM_UNBNDP(SCM_VARIABLE_REF(variable))) {
return NULL;
} else {
return (swig_module_info *) scm_to_ulong(SCM_VARIABLE_REF(variable));
}
}
SWIGINTERN int
ensure_smob_tag(SCM swig_module,
scm_t_bits *tag_variable,
const char *smob_name,
const char *scheme_variable_name)
{
SCM variable = scm_sym2var(scm_from_locale_symbol(scheme_variable_name),
scm_module_lookup_closure(swig_module),
SCM_BOOL_T);
if (SCM_UNBNDP(SCM_VARIABLE_REF(variable))) {
*tag_variable = scm_make_smob_type((char*)scheme_variable_name, 0);
SCM_VARIABLE_SET(variable,
scm_from_ulong(*tag_variable));
return 1;
}
else {
*tag_variable = scm_to_ulong(SCM_VARIABLE_REF(variable));
return 0;
}
}
SCM
scm_dynstack_find_old_fluid_value (scm_t_dynstack *dynstack, SCM fluid,
size_t depth, SCM dflt)
{
scm_t_bits *walk;
for (walk = SCM_DYNSTACK_PREV (dynstack->top); walk;
walk = SCM_DYNSTACK_PREV (walk))
{
scm_t_bits tag = SCM_DYNSTACK_TAG (walk);
switch (SCM_DYNSTACK_TAG_TYPE (tag))
{
case SCM_DYNSTACK_TYPE_WITH_FLUID:
{
if (scm_is_eq (WITH_FLUID_FLUID (walk), fluid))
{
if (depth == 0)
return SCM_VARIABLE_REF (WITH_FLUID_VALUE_BOX (walk));
else
depth--;
}
break;
}
case SCM_DYNSTACK_TYPE_DYNAMIC_STATE:
{
SCM state, val;
/* The previous dynamic state may or may not have
established a binding for this fluid. */
state = scm_variable_ref (DYNAMIC_STATE_STATE_BOX (walk));
val = scm_dynamic_state_ref (state, fluid, SCM_UNDEFINED);
if (!SCM_UNBNDP (val))
{
if (depth == 0)
return val;
else
depth--;
}
break;
}
default:
break;
}
}
return dflt;
}
static SCM
eval (SCM x, SCM env)
{
SCM mx;
SCM proc = SCM_UNDEFINED, args = SCM_EOL;
unsigned int argc;
loop:
SCM_TICK;
if (!SCM_MEMOIZED_P (x))
abort ();
mx = SCM_MEMOIZED_ARGS (x);
switch (SCM_MEMOIZED_TAG (x))
{
case SCM_M_SEQ:
eval (CAR (mx), env);
x = CDR (mx);
goto loop;
case SCM_M_IF:
if (scm_is_true (EVAL1 (CAR (mx), env)))
x = CADR (mx);
else
x = CDDR (mx);
goto loop;
case SCM_M_LET:
{
SCM inits = CAR (mx);
SCM new_env = CAPTURE_ENV (env);
for (; scm_is_pair (inits); inits = CDR (inits))
new_env = scm_cons (EVAL1 (CAR (inits), env),
new_env);
env = new_env;
x = CDR (mx);
goto loop;
}
case SCM_M_LAMBDA:
RETURN_BOOT_CLOSURE (mx, CAPTURE_ENV (env));
case SCM_M_QUOTE:
return mx;
case SCM_M_DEFINE:
scm_define (CAR (mx), EVAL1 (CDR (mx), env));
return SCM_UNSPECIFIED;
case SCM_M_DYNWIND:
{
SCM in, out, res;
scm_i_thread *t = SCM_I_CURRENT_THREAD;
in = EVAL1 (CAR (mx), env);
out = EVAL1 (CDDR (mx), env);
scm_call_0 (in);
scm_dynstack_push_dynwind (&t->dynstack, in, out);
res = eval (CADR (mx), env);
scm_dynstack_pop (&t->dynstack);
scm_call_0 (out);
return res;
}
case SCM_M_WITH_FLUIDS:
{
long i, len;
SCM *fluidv, *valuesv, walk, res;
scm_i_thread *thread = SCM_I_CURRENT_THREAD;
len = scm_ilength (CAR (mx));
fluidv = alloca (sizeof (SCM)*len);
for (i = 0, walk = CAR (mx); i < len; i++, walk = CDR (walk))
fluidv[i] = EVAL1 (CAR (walk), env);
valuesv = alloca (sizeof (SCM)*len);
for (i = 0, walk = CADR (mx); i < len; i++, walk = CDR (walk))
valuesv[i] = EVAL1 (CAR (walk), env);
scm_dynstack_push_fluids (&thread->dynstack, len, fluidv, valuesv,
thread->dynamic_state);
res = eval (CDDR (mx), env);
scm_dynstack_unwind_fluids (&thread->dynstack, thread->dynamic_state);
return res;
}
case SCM_M_APPLY:
/* Evaluate the procedure to be applied. */
proc = EVAL1 (CAR (mx), env);
/* Evaluate the argument holding the list of arguments */
args = EVAL1 (CADR (mx), env);
apply_proc:
/* Go here to tail-apply a procedure. PROC is the procedure and
* ARGS is the list of arguments. */
if (BOOT_CLOSURE_P (proc))
{
prepare_boot_closure_env_for_apply (proc, args, &x, &env);
goto loop;
}
else
return scm_call_with_vm (scm_the_vm (), proc, args);
case SCM_M_CALL:
/* Evaluate the procedure to be applied. */
proc = EVAL1 (CAR (mx), env);
argc = SCM_I_INUM (CADR (mx));
mx = CDDR (mx);
if (BOOT_CLOSURE_P (proc))
{
prepare_boot_closure_env_for_eval (proc, argc, mx, &x, &env);
goto loop;
}
else
{
SCM *argv;
unsigned int i;
argv = alloca (argc * sizeof (SCM));
for (i = 0; i < argc; i++, mx = CDR (mx))
argv[i] = EVAL1 (CAR (mx), env);
return scm_c_vm_run (scm_the_vm (), proc, argv, argc);
}
case SCM_M_CONT:
return scm_i_call_with_current_continuation (EVAL1 (mx, env));
case SCM_M_CALL_WITH_VALUES:
{
SCM producer;
SCM v;
producer = EVAL1 (CAR (mx), env);
/* `proc' is the consumer. */
proc = EVAL1 (CDR (mx), env);
v = scm_call_with_vm (scm_the_vm (), producer, SCM_EOL);
if (SCM_VALUESP (v))
args = scm_struct_ref (v, SCM_INUM0);
else
args = scm_list_1 (v);
goto apply_proc;
}
case SCM_M_LEXICAL_REF:
{
int n;
SCM ret;
for (n = SCM_I_INUM (mx); n; n--)
env = CDR (env);
ret = CAR (env);
if (SCM_UNLIKELY (SCM_UNBNDP (ret)))
/* we don't know what variable, though, because we don't have its
name */
error_used_before_defined ();
return ret;
}
case SCM_M_LEXICAL_SET:
{
int n;
SCM val = EVAL1 (CDR (mx), env);
for (n = SCM_I_INUM (CAR (mx)); n; n--)
env = CDR (env);
SCM_SETCAR (env, val);
return SCM_UNSPECIFIED;
}
case SCM_M_TOPLEVEL_REF:
if (SCM_VARIABLEP (mx))
return SCM_VARIABLE_REF (mx);
else
{
while (scm_is_pair (env))
env = CDR (env);
return SCM_VARIABLE_REF
(scm_memoize_variable_access_x (x, CAPTURE_ENV (env)));
}
case SCM_M_TOPLEVEL_SET:
{
SCM var = CAR (mx);
SCM val = EVAL1 (CDR (mx), env);
if (SCM_VARIABLEP (var))
{
SCM_VARIABLE_SET (var, val);
return SCM_UNSPECIFIED;
}
else
{
while (scm_is_pair (env))
env = CDR (env);
SCM_VARIABLE_SET
(scm_memoize_variable_access_x (x, CAPTURE_ENV (env)),
val);
return SCM_UNSPECIFIED;
}
}
case SCM_M_MODULE_REF:
if (SCM_VARIABLEP (mx))
return SCM_VARIABLE_REF (mx);
else
return SCM_VARIABLE_REF
(scm_memoize_variable_access_x (x, SCM_BOOL_F));
case SCM_M_MODULE_SET:
if (SCM_VARIABLEP (CDR (mx)))
{
SCM_VARIABLE_SET (CDR (mx), EVAL1 (CAR (mx), env));
return SCM_UNSPECIFIED;
}
else
{
SCM_VARIABLE_SET
(scm_memoize_variable_access_x (x, SCM_BOOL_F),
EVAL1 (CAR (mx), env));
return SCM_UNSPECIFIED;
}
case SCM_M_PROMPT:
{
SCM vm, k, res;
scm_i_jmp_buf registers;
/* We need the handler after nonlocal return to the setjmp, so
make sure it is volatile. */
volatile SCM handler;
k = EVAL1 (CAR (mx), env);
handler = EVAL1 (CDDR (mx), env);
vm = scm_the_vm ();
/* Push the prompt onto the dynamic stack. */
scm_dynstack_push_prompt (&SCM_I_CURRENT_THREAD->dynstack,
SCM_F_DYNSTACK_PROMPT_ESCAPE_ONLY,
k,
SCM_VM_DATA (vm)->fp,
SCM_VM_DATA (vm)->sp,
SCM_VM_DATA (vm)->ip,
®isters);
if (SCM_I_SETJMP (registers))
{
/* The prompt exited nonlocally. */
proc = handler;
args = scm_i_prompt_pop_abort_args_x (scm_the_vm ());
goto apply_proc;
}
res = eval (CADR (mx), env);
scm_dynstack_pop (&SCM_I_CURRENT_THREAD->dynstack);
return res;
}
default:
abort ();
}
}
/* in the form: (1 2 3 4). Repeated slots are NOT returned */
SCM g_get_unique_slots(SCM scm_uref)
{
NETLIST *nl_current;
char *uref;
gchar *slot = NULL;
char *slot_tmp = NULL;
SCM slots_list = SCM_EOL;
SCM slot_number;
SCM_ASSERT(scm_is_string (scm_uref),
scm_uref, SCM_ARG1, "gnetlist:get-unique-slots-used-of-package");
uref = SCM_STRING_CHARS (scm_uref);
/* here is where you make it multi page aware */
nl_current = netlist_head;
/* search for the first instance */
/* through the entire list */
while (nl_current != NULL) {
if (nl_current->component_uref) {
if (strcmp(nl_current->component_uref, uref) == 0) {
/* first search outside the symbol */
slot_tmp =
o_attrib_search_name_single(nl_current->object_ptr,
"slot", NULL);
if (!slot_tmp) {
/* if not found, search inside the symbol */
slot_tmp =
o_attrib_search_name(nl_current->object_ptr->
complex->prim_objs, "slot",
0);
}
/* When a package has no slot attribute, then assume it's slot number 1 */
if (!slot_tmp) {
slot_tmp=g_strdup("1");
}
slot = g_strconcat ("#d", slot_tmp, NULL);
slot_number = scm_string_to_number(scm_makfrom0str (slot),
scm_from_int(10));
g_free (slot);
if (slot_number != SCM_BOOL_F) {
if (scm_member(slot_number, slots_list) == SCM_BOOL_F) {
slots_list = scm_cons (slot_number, slots_list);
}
}
else
fprintf(stderr, "Uref %s: Bad slot number: %s.\n", uref, slot_tmp);
g_free (slot_tmp);
}
}
nl_current = nl_current->next;
}
slots_list = scm_sort_list_x(slots_list,
SCM_VARIABLE_REF (scm_c_module_lookup (
scm_current_module (), "<")));
return (slots_list);
}
