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/*
Copyright (C) 2001-2008, Parrot Foundation.
$Id$
=head1 NAME
src/pmc/capture.pmc - Capture PMC
=head1 DESCRIPTION
These are the vtable functions for the Capture PMC.
=head2 Functions
=over 4
=cut
*/
#include "parrot/parrot.h"
#define CAPTURE_DATA_SIZE 2
#define CAPTURE_array_CREATE(i, obj) \
if (!PARROT_CAPTURE(obj)->array) \
PARROT_CAPTURE(obj)->array = pmc_new((i), enum_class_ResizablePMCArray);
#define CAPTURE_hash_CREATE(i, obj) \
if (!PARROT_CAPTURE(obj)->hash) \
PARROT_CAPTURE(obj)->hash = pmc_new((i), enum_class_Hash);
pmclass Capture need_ext {
ATTR PMC *array;
ATTR PMC *hash;
/*
=item C<void init()>
Initializes the Capture instance.
=item C<void destroy()>
Free structures.
=cut
*/
VTABLE void init() {
Parrot_Capture_attributes *capture = mem_allocate_typed(Parrot_Capture_attributes);
PMC_data(SELF) = capture;
capture->array = NULL;
capture->hash = NULL;
PMC_int_val(SELF) = CAPTURE_DATA_SIZE;
PObj_active_destroy_SET(SELF);
PObj_custom_mark_SET(SELF);
}
VTABLE void destroy() {
if (PARROT_CAPTURE(SELF)) {
mem_sys_free(PARROT_CAPTURE(SELF));
PMC_data(SELF) = NULL;
}
PMC_int_val(SELF) = 0;
}
/*
=item C<PMC *clone()>
Creates an identical copy of the Capture.
=cut
*/
VTABLE PMC *clone() {
PMC *array, *hash;
PMC *dest = pmc_new(INTERP, VTABLE_type(INTERP, SELF));
GET_ATTR_array(INTERP, SELF, array);
GET_ATTR_hash(INTERP, SELF, hash);
if (array)
array = VTABLE_clone(INTERP, array);
if (hash)
hash = VTABLE_clone(INTERP, hash);
SET_ATTR_array(INTERP, dest, array);
SET_ATTR_hash(INTERP, dest, hash);
return dest;
}
/*
=item C<void set_number_keyed_int(INTVAL key, FLOATVAL value)>
=item C<void set_integer_keyed_int(INTVAL key, INTVAL value)>
=item C<void set_pmc_keyed_int(INTVAL key, PMC *value)>
=item C<void set_string_keyed_int(INTVAL key, STRING *value)>
Sets a value in the array component of the Capture.
=cut
*/
VTABLE void set_number_keyed_int(INTVAL key, FLOATVAL value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_set_number_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key, value);
}
VTABLE void set_integer_keyed_int(INTVAL key, INTVAL value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_set_integer_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key, value);
}
VTABLE void set_pmc_keyed_int(INTVAL key, PMC *value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_set_pmc_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key, value);
}
VTABLE void set_string_keyed_int(INTVAL key, STRING *value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_set_string_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key, value);
}
/*
=item C<FLOATVAL get_number_keyed_int(INTVAL key)>
=item C<INTVAL get_integer_keyed_int(INTVAL key)>
=item C<PMC *get_pmc_keyed_int(INTVAL key)>
=item C<STRING *get_string_keyed_int(INTVAL key)>
Retrieves a value in the array component of the Capture.
=cut
*/
VTABLE FLOATVAL get_number_keyed_int(INTVAL key) {
if (!(PARROT_CAPTURE(SELF)->array))
return 0.0;
return VTABLE_get_number_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key);
}
VTABLE INTVAL get_integer_keyed_int(INTVAL key) {
if (!(PARROT_CAPTURE(SELF)->array))
return 0;
return VTABLE_get_integer_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key);
}
VTABLE PMC *get_pmc_keyed_int(INTVAL key) {
if (!(PARROT_CAPTURE(SELF)->array))
return PMCNULL;
return VTABLE_get_pmc_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key);
}
VTABLE STRING *get_string_keyed_int(INTVAL key) {
if (!(PARROT_CAPTURE(SELF)->array))
return CONST_STRING(INTERP, "");
return VTABLE_get_string_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key);
}
/*
=item C<void push_float(FLOATVAL value)>
=item C<void push_integer(INTVAL value)>
=item C<void push_pmc(PMC *value)>
=item C<void push_string(STRING *value)>
Push a value onto the array component of the Capture.
=item C<void unshift_float(FLOATVAL value)>
=item C<void unshift_integer(INTVAL value)>
=item C<void unshift_pmc(PMC *value)>
=item C<void unshift_string(STRING *value)>
Unshift a value onto the array component of the Capture.
=cut
*/
VTABLE void push_float(FLOATVAL value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_push_float(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
VTABLE void push_integer(INTVAL value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_push_integer(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
void push_pmc(PMC *value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_push_pmc(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
VTABLE void push_string(STRING *value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_push_string(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
VTABLE void unshift_float(FLOATVAL value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_unshift_float(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
VTABLE void unshift_integer(INTVAL value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_unshift_integer(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
void unshift_pmc(PMC *value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_unshift_pmc(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
VTABLE void unshift_string(STRING *value) {
CAPTURE_array_CREATE(INTERP, SELF);
VTABLE_unshift_string(INTERP, PARROT_CAPTURE(SELF)->array, value);
}
/*
=item C<FLOATVAL pop_float()>
=item C<INTVAL pop_integer()>
=item C<PMC *pop_pmc()>
=item C<STRING *pop_string()>
Pop a value from the array component of the Capture.
=item C<FLOATVAL shift_float()>
=item C<INTVAL shift_integer()>
=item C<PMC *shift_pmc()>
=item C<STRING *shift_string()>
Shift a value from the array component of the Capture.
=cut
*/
VTABLE FLOATVAL pop_float() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_pop_float(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE INTVAL pop_integer() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_pop_integer(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE PMC *pop_pmc() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_pop_pmc(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE STRING *pop_string() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_pop_string(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE FLOATVAL shift_float() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_shift_float(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE INTVAL shift_integer() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_shift_integer(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE PMC *shift_pmc() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_shift_pmc(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE STRING *shift_string() {
CAPTURE_array_CREATE(INTERP, SELF);
return VTABLE_shift_string(INTERP, PARROT_CAPTURE(SELF)->array);
}
/*
=item C<INTVAL elements()>
Return the number of elements in the array component of the Capture.
=item C<INTVAL defined_keyed_int(INTVAL key)>
Return true if element C<key> of the array component is defined.
=item C<INTVAL exists_keyed_int(INTVAL key)>
Return true if element C<key> of the array component exists.
=item C<void delete_keyed_int(INTVAL key)>
Delete the element corresponding to C<key> in the array component.
=cut
*/
VTABLE INTVAL elements() {
if (!PARROT_CAPTURE(SELF)->array) return 0;
return VTABLE_elements(INTERP, PARROT_CAPTURE(SELF)->array);
}
VTABLE INTVAL defined_keyed_int(INTVAL key) {
if (!PARROT_CAPTURE(SELF)->array)
return 0;
return VTABLE_defined_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key);
}
VTABLE INTVAL exists_keyed_int(INTVAL key) {
if (!PARROT_CAPTURE(SELF)->array)
return 0;
return VTABLE_exists_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array,
key);
}
VTABLE void delete_keyed_int(INTVAL key) {
if (PARROT_CAPTURE(SELF)->array)
VTABLE_delete_keyed_int(INTERP, PARROT_CAPTURE(SELF)->array, key);
}
/*
=item C<void set_number_keyed(PMC *key, FLOATVAL value)>
=item C<void set_integer_keyed(PMC *key, INTVAL value)>
=item C<void set_pmc_keyed(PMC *key, PMC *value)>
=item C<void set_string_keyed(PMC *key, STRING *value)>
Sets a value in the hash component of the Capture.
=cut
*/
VTABLE void set_number_keyed(PMC *key, FLOATVAL value) {
CAPTURE_hash_CREATE(INTERP, SELF);
VTABLE_set_number_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key, value);
}
VTABLE void set_integer_keyed(PMC *key, INTVAL value) {
CAPTURE_hash_CREATE(INTERP, SELF);
VTABLE_set_integer_keyed(INTERP, PARROT_CAPTURE(SELF)->hash,
key, value);
}
VTABLE void set_pmc_keyed(PMC *key, PMC *value) {
CAPTURE_hash_CREATE(INTERP, SELF);
VTABLE_set_pmc_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key, value);
}
VTABLE void set_string_keyed(PMC *key, STRING *value) {
CAPTURE_hash_CREATE(INTERP, SELF);
VTABLE_set_string_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key, value);
}
/*
=item C<FLOATVAL get_number_keyed(PMC *key)>
=item C<INTVAL get_integer_keyed(PMC *key)>
=item C<PMC *get_pmc_keyed(PMC *key)>
=item C<STRING *get_string_keyed(PMC *key)>
Retrieves a value from the hash component of the Capture.
=cut
*/
VTABLE FLOATVAL get_number_keyed(PMC *key) {
if (!(PARROT_CAPTURE(SELF)->hash))
return 0.0;
return VTABLE_get_number_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key);
}
VTABLE INTVAL get_integer_keyed(PMC *key) {
if (!(PARROT_CAPTURE(SELF)->hash))
return 0;
return VTABLE_get_integer_keyed(INTERP, PARROT_CAPTURE(SELF)->hash,
key);
}
VTABLE PMC *get_pmc_keyed(PMC *key) {
if (!(PARROT_CAPTURE(SELF)->hash))
return PMCNULL;
return VTABLE_get_pmc_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key);
}
VTABLE STRING *get_string_keyed(PMC *key) {
if (!(PARROT_CAPTURE(SELF)->hash))
return CONST_STRING(INTERP, "");
return VTABLE_get_string_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key);
}
/*
=item C<INTVAL defined_keyed(PMC *key)>
Return true if element C<key> of the hash component is defined.
=item C<INTVAL exists_keyed(PMC *key)>
Return true if element C<key> of the hash component exists.
=item C<void delete_keyed(PMC *key)>
Delete the element corresponding to C<key> in the hash component.
=cut
*/
VTABLE INTVAL defined_keyed(PMC *key) {
if (!PARROT_CAPTURE(SELF)->hash) return 0;
return VTABLE_defined_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key);
}
VTABLE INTVAL exists_keyed(PMC *key) {
if (!PARROT_CAPTURE(SELF)->hash) return 0;
return VTABLE_exists_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key);
}
VTABLE void delete_keyed(PMC *key) {
if (PARROT_CAPTURE(SELF)->hash)
VTABLE_delete_keyed(INTERP, PARROT_CAPTURE(SELF)->hash, key);
}
/*
=item C<void set_pmc(PMC *capture)>
Set this capture to hold the value of another. If set to PMCNULL,
erase the contents of the array and hash components.
=cut
*/
VTABLE void set_pmc(PMC *capture) {
if (PMC_IS_NULL(capture)) {
PARROT_CAPTURE(SELF)->array = NULL;
PARROT_CAPTURE(SELF)->hash = NULL;
}
else if (VTABLE_isa(INTERP, capture, CONST_STRING(INTERP, "Capture"))) {
PARROT_CAPTURE(SELF)->array = PARROT_CAPTURE(capture)->array;
PARROT_CAPTURE(SELF)->hash = PARROT_CAPTURE(capture)->hash;
}
else
Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_INVALID_OPERATION,
"Can only set a capture to another capture.");
}
/*
=item C<STRING get_string()>
Return a string representation of the hash, showing class
and memory address.
=cut
*/
VTABLE STRING *get_string() {
STRING *classname = VTABLE_name(INTERP, SELF);
return Parrot_sprintf_c(INTERP, "%S[0x%x]", classname, SELF);
}
/*
=item C<void mark(void)>
Mark the array.
=cut
*/
VTABLE void mark() {
PMC ** const data = PMC_data_typed(SELF, PMC **);
INTVAL i;
if (!data)
return;
for (i = PMC_int_val(SELF) - 1; i >= 0; --i)
if (data[i])
pobject_lives(interp, (PObj *)data[i]);
}
/*
=back
=head2 Methods
=over 4
=cut
*/
METHOD list() {
PMC *capt_array;
PMC *capt = SELF;
/* XXX: This workaround is for when we get here as
part of a subclass of Capture */
if (PObj_is_object_TEST(SELF)) {
STRING *classname = CONST_STRING(INTERP, "Capture");
PMC *classobj = Parrot_oo_get_class_str(INTERP, classname);
STRING *attribute = CONST_STRING(interp, "proxy");
capt = VTABLE_get_attr_keyed(interp, SELF, classobj, attribute);
}
CAPTURE_array_CREATE(INTERP, capt);
capt_array = PARROT_CAPTURE(capt)->array;
RETURN(PMC *capt_array);
}
METHOD hash() {
PMC *capt_hash;
PMC *capt = SELF;
/* XXX: This workaround is for when we get here as
part of a subclass of Capture */
if (PObj_is_object_TEST(SELF)) {
STRING *classname = CONST_STRING(INTERP, "Capture");
PMC *classobj = Parrot_oo_get_class_str(INTERP, classname);
STRING *attribute = CONST_STRING(interp, "proxy");
capt = VTABLE_get_attr_keyed(interp, SELF, classobj, attribute);
}
CAPTURE_hash_CREATE(INTERP, capt);
capt_hash = PARROT_CAPTURE(capt)->hash;
RETURN(PMC *capt_hash);
}
}
/*
=back
=head1 HISTORY
Initial version - Patrick Michaud 2006-11-03
=cut
*/
/*
* Local variables:
* c-file-style: "parrot"
* End:
* vim: expandtab shiftwidth=4:
*/
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