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Updating linkedlist iterator

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Leonardo committed 2020-05-09 09:16:51 -03:00
1 parent 2f59d5fcaf
commit 8fc432b76c
3 files changed
+522 -103
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src/cmc/linkedlist.h
+39 -56
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@@ -202,17 +202,15 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
struct SNAME##_node *PFX##_prev_node(struct SNAME##_node *_node_); \
\
/* Iterator Functions */ \
/* Iterator Allocation and Deallocation */ \
struct SNAME##_iter *PFX##_iter_new(struct SNAME *target); \
void PFX##_iter_free(struct SNAME##_iter *iter); \
/* Iterator Initialization */ \
void PFX##_iter_init(struct SNAME##_iter *iter, struct SNAME *target); \
struct SNAME##_iter PFX##_iter_start(struct SNAME *target); \
struct SNAME##_iter PFX##_iter_end(struct SNAME *target); \
/* Iterator State */ \
bool PFX##_iter_start(struct SNAME##_iter *iter); \
bool PFX##_iter_end(struct SNAME##_iter *iter); \
bool PFX##_iter_at_start(struct SNAME##_iter *iter); \
bool PFX##_iter_at_end(struct SNAME##_iter *iter); \
/* Iterator Movement */ \
void PFX##_iter_to_start(struct SNAME##_iter *iter); \
void PFX##_iter_to_end(struct SNAME##_iter *iter); \
bool PFX##_iter_to_start(struct SNAME##_iter *iter); \
bool PFX##_iter_to_end(struct SNAME##_iter *iter); \
bool PFX##_iter_next(struct SNAME##_iter *iter); \
bool PFX##_iter_prev(struct SNAME##_iter *iter); \
bool PFX##_iter_advance(struct SNAME##_iter *iter, size_t steps); \
@@ -230,8 +228,7 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
#define CMC_GENERATE_LINKEDLIST_SOURCE(PFX, SNAME, V) \
\
/* Implementation Detail Functions */ \
static struct SNAME##_iter PFX##_impl_it_start(struct SNAME *_list_); \
static struct SNAME##_iter PFX##_impl_it_end(struct SNAME *_list_); \
/* None */ \
\
struct SNAME *PFX##_new(struct SNAME##_fval *f_val) \
{ \
@@ -252,8 +249,6 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
_list_->f_val = f_val; \
_list_->alloc = alloc; \
_list_->callbacks = NULL; \
_list_->it_start = PFX##_impl_it_start; \
_list_->it_end = PFX##_impl_it_end; \
\
return _list_; \
} \
@@ -280,8 +275,6 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
_list_->f_val = f_val; \
_list_->alloc = alloc; \
_list_->callbacks = callbacks; \
_list_->it_start = PFX##_impl_it_start; \
_list_->it_end = PFX##_impl_it_end; \
\
return _list_; \
} \
@@ -935,44 +928,46 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
return _node_->prev; \
} \
\
struct SNAME##_iter *PFX##_iter_new(struct SNAME *target) \
struct SNAME##_iter PFX##_iter_start(struct SNAME *target) \
{ \
struct SNAME##_iter *iter = \
target->alloc->malloc(sizeof(struct SNAME##_iter)); \
struct SNAME##_iter iter; \
\
if (!iter) \
return NULL; \
\
PFX##_iter_init(iter, target); \
iter.target = target; \
iter.cursor = target->head; \
iter.index = 0; \
iter.start = true; \
iter.end = PFX##_empty(target); \
\
return iter; \
} \
\
void PFX##_iter_free(struct SNAME##_iter *iter) \
struct SNAME##_iter PFX##_iter_end(struct SNAME *target) \
{ \
iter->target->alloc->free(iter); \
struct SNAME##_iter iter; \
\
iter.target = target; \
iter.cursor = target->tail; \
iter.index = 0; \
iter.start = PFX##_empty(target); \
iter.end = true; \
\
if (!PFX##_empty(target)) \
iter.index = target->count - 1; \
\
return iter; \
} \
\
void PFX##_iter_init(struct SNAME##_iter *iter, struct SNAME *target) \
{ \
iter->target = target; \
iter->cursor = target->head; \
iter->index = 0; \
iter->start = true; \
iter->end = PFX##_empty(target); \
} \
\
bool PFX##_iter_start(struct SNAME##_iter *iter) \
bool PFX##_iter_at_start(struct SNAME##_iter *iter) \
{ \
return PFX##_empty(iter->target) || iter->start; \
} \
\
bool PFX##_iter_end(struct SNAME##_iter *iter) \
bool PFX##_iter_at_end(struct SNAME##_iter *iter) \
{ \
return PFX##_empty(iter->target) || iter->end; \
} \
\
void PFX##_iter_to_start(struct SNAME##_iter *iter) \
bool PFX##_iter_to_start(struct SNAME##_iter *iter) \
{ \
if (!PFX##_empty(iter->target)) \
{ \
@@ -980,10 +975,14 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
iter->index = 0; \
iter->start = true; \
iter->end = PFX##_empty(iter->target); \
\
return true; \
} \
\
return false; \
} \
\
void PFX##_iter_to_end(struct SNAME##_iter *iter) \
bool PFX##_iter_to_end(struct SNAME##_iter *iter) \
{ \
if (!PFX##_empty(iter->target)) \
{ \
@@ -991,7 +990,11 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
iter->index = iter->target->count - 1; \
iter->start = PFX##_empty(iter->target); \
iter->end = true; \
\
return true; \
} \
\
return false; \
} \
\
bool PFX##_iter_next(struct SNAME##_iter *iter) \
@@ -1121,26 +1124,6 @@ static const char *cmc_string_fmt_linkedlist = "struct %s<%s> "
struct SNAME##_node *PFX##_iter_node(struct SNAME##_iter *iter) \
{ \
return iter->cursor; \
} \
\
static struct SNAME##_iter PFX##_impl_it_start(struct SNAME *_list_) \
{ \
struct SNAME##_iter iter; \
\
PFX##_iter_init(&iter, _list_); \
PFX##_iter_to_start(&iter); \
\
return iter; \
} \
\
static struct SNAME##_iter PFX##_impl_it_end(struct SNAME *_list_) \
{ \
struct SNAME##_iter iter; \
\
PFX##_iter_init(&iter, _list_); \
PFX##_iter_to_end(&iter); \
\
return iter; \
}
#endif /* CMC_LINKEDLIST_H */