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Setting procedure properties does not cause metadata lookup

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* libguile/procprop.c (scm_procedure_properties, scm_procedure_property)
  (scm_set_procedure_properties_x, scm_set_procedure_property_x)
  (scm_procedure_name, scm_procedure_documentation): Rework to treat the
  overrides table as complementary to the RTL program properties.  In
  this way setting a procedure property doesn't require loading up
  the (system vm debug) module.
This commit is contained in:
Andy Wingo 2013-10-26 13:12:25 +02:00
parent 27ecfd3649
commit 40553c2016
1 changed files with 78 additions and 41 deletions
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119
libguile/procprop.c
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@ -136,22 +136,28 @@ SCM_DEFINE (scm_procedure_properties, "procedure-properties", 1, 0, 0,
"Return @var{proc}'s property list.")
#define FUNC_NAME s_scm_procedure_properties
{
SCM ret;
SCM ret, user_props;
SCM_VALIDATE_PROC (1, proc);
ret = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
user_props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
if (scm_is_pair (user_props) && scm_is_true (scm_car (user_props)))
return scm_cdr (user_props);
if (SCM_PROGRAM_P (proc))
ret = scm_i_program_properties (proc);
else if (SCM_RTL_PROGRAM_P (proc))
ret = scm_i_rtl_program_properties (proc);
else
ret = SCM_EOL;
if (scm_is_pair (user_props))
for (user_props = scm_cdr (user_props);
scm_is_pair (user_props);
user_props = scm_cdr (user_props))
ret = scm_assq_set_x (ret, scm_caar (user_props), scm_cdar (user_props));
if (scm_is_false (ret))
{
if (SCM_PROGRAM_P (proc))
ret = scm_i_program_properties (proc);
else if (SCM_RTL_PROGRAM_P (proc))
ret = scm_i_rtl_program_properties (proc);
else
ret = SCM_EOL;
}
return ret;
}
#undef FUNC_NAME
@ -163,7 +169,7 @@ SCM_DEFINE (scm_set_procedure_properties_x, "set-procedure-properties!", 2, 0, 0
{
SCM_VALIDATE_PROC (1, proc);
scm_weak_table_putq_x (overrides, proc, alist);
scm_weak_table_putq_x (overrides, proc, scm_cons (SCM_BOOL_T, alist));
return SCM_UNSPECIFIED;
}
@ -174,8 +180,25 @@ SCM_DEFINE (scm_procedure_property, "procedure-property", 2, 0, 0,
"Return the property of @var{proc} with name @var{key}.")
#define FUNC_NAME s_scm_procedure_property
{
SCM user_props;
SCM_VALIDATE_PROC (1, proc);
if (scm_is_eq (key, scm_sym_name))
return scm_procedure_name (proc);
if (scm_is_eq (key, scm_sym_documentation))
return scm_procedure_documentation (proc);
user_props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
if (scm_is_true (user_props))
{
SCM pair = scm_assq (key, scm_cdr (user_props));
if (scm_is_pair (pair))
return scm_cdr (pair);
if (scm_is_true (scm_car (user_props)))
return SCM_BOOL_F;
}
return scm_assq_ref (scm_procedure_properties (proc), key);
}
#undef FUNC_NAME
@ -186,20 +209,25 @@ SCM_DEFINE (scm_set_procedure_property_x, "set-procedure-property!", 3, 0, 0,
"@var{val}.")
#define FUNC_NAME s_scm_set_procedure_property_x
{
SCM props;
SCM user_props, override_p;
SCM_VALIDATE_PROC (1, proc);
scm_i_pthread_mutex_lock (&scm_i_misc_mutex);
props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
if (scm_is_false (props))
user_props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
if (scm_is_false (user_props))
{
if (SCM_PROGRAM_P (proc))
props = scm_i_program_properties (proc);
else
props = SCM_EOL;
override_p = SCM_BOOL_F;
user_props = SCM_EOL;
}
scm_weak_table_putq_x (overrides, proc, scm_assq_set_x (props, key, val));
else
{
override_p = scm_car (user_props);
user_props = scm_cdr (user_props);
}
scm_weak_table_putq_x (overrides, proc,
scm_cons (override_p,
scm_assq_set_x (user_props, key, val)));
scm_i_pthread_mutex_unlock (&scm_i_misc_mutex);
return SCM_UNSPECIFIED;
@ -217,25 +245,29 @@ SCM_DEFINE (scm_procedure_name, "procedure-name", 1, 0, 0,
"Return the name of the procedure @var{proc}")
#define FUNC_NAME s_scm_procedure_name
{
SCM props, ret;
SCM user_props;
SCM_VALIDATE_PROC (1, proc);
while (SCM_STRUCTP (proc) && SCM_STRUCT_APPLICABLE_P (proc))
proc = SCM_STRUCT_PROCEDURE (proc);
props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
user_props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
if (scm_is_true (user_props))
{
SCM pair = scm_assq (scm_sym_name, scm_cdr (user_props));
if (scm_is_pair (pair))
return scm_cdr (pair);
if (scm_is_true (scm_car (user_props)))
return SCM_BOOL_F;
}
if (scm_is_pair (props))
ret = scm_assq_ref (props, scm_sym_name);
else if (SCM_RTL_PROGRAM_P (proc))
ret = scm_i_rtl_program_name (proc);
if (SCM_RTL_PROGRAM_P (proc))
return scm_i_rtl_program_name (proc);
else if (SCM_PROGRAM_P (proc))
ret = scm_assq_ref (scm_i_program_properties (proc), scm_sym_name);
return scm_assq_ref (scm_i_program_properties (proc), scm_sym_name);
else
ret = SCM_BOOL_F;
return ret;
return SCM_BOOL_F;
}
#undef FUNC_NAME
@ -250,25 +282,30 @@ SCM_DEFINE (scm_procedure_documentation, "procedure-documentation", 1, 0, 0,
"documentation for that procedure.")
#define FUNC_NAME s_scm_procedure_documentation
{
SCM props, ret;
SCM user_props;
SCM_VALIDATE_PROC (1, proc);
while (SCM_STRUCTP (proc) && SCM_STRUCT_APPLICABLE_P (proc))
proc = SCM_STRUCT_PROCEDURE (proc);
props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
user_props = scm_weak_table_refq (overrides, proc, SCM_BOOL_F);
if (scm_is_true (user_props))
{
SCM pair = scm_assq (scm_sym_documentation, scm_cdr (user_props));
if (scm_is_pair (pair))
return scm_cdr (pair);
if (scm_is_true (scm_car (user_props)))
return SCM_BOOL_F;
}
if (scm_is_pair (props))
ret = scm_assq_ref (props, scm_sym_documentation);
else if (SCM_RTL_PROGRAM_P (proc))
ret = scm_i_rtl_program_documentation (proc);
if (SCM_RTL_PROGRAM_P (proc))
return scm_i_rtl_program_documentation (proc);
else if (SCM_PROGRAM_P (proc))
ret = scm_assq_ref (scm_i_program_properties (proc), scm_sym_documentation);
return scm_assq_ref (scm_i_program_properties (proc),
scm_sym_documentation);
else
ret = SCM_BOOL_F;
return ret;
return SCM_BOOL_F;
}
#undef FUNC_NAME