Merge branch 'stclib:master' into modifiedHEADmodified

1 files changed, 116 insertions, 0 deletions

diff --git a/include/stc/priv/cqueue_hdr.h b/include/stc/priv/cqueue_hdr.h
new file mode 100644
index 00000000..06f3bd74
--- /dev/null
+++ b/include/stc/priv/cqueue_hdr.h
@@ -0,0 +1,116 @@
+/* MIT License
+ *
+ * Copyright (c) 2023 Tyge Løvset
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "template.h"
+#ifndef i_is_forward
+_cx_DEFTYPES(_c_cdeq_types, _cx_Self, i_key);
+#endif
+typedef i_keyraw _cx_raw;
+
+STC_API _cx_Self        _cx_MEMB(_with_capacity)(const intptr_t n);
+STC_API bool            _cx_MEMB(_reserve)(_cx_Self* self, const intptr_t n);
+STC_API void            _cx_MEMB(_clear)(_cx_Self* self);
+STC_API void            _cx_MEMB(_drop)(_cx_Self* self);
+STC_API _cx_value*      _cx_MEMB(_push)(_cx_Self* self, i_key value); // push_back
+STC_API void            _cx_MEMB(_shrink_to_fit)(_cx_Self *self);
+STC_API _cx_iter        _cx_MEMB(_advance)(_cx_iter it, intptr_t n);
+
+#define _cdeq_toidx(self, pos) (((pos) - (self)->start) & (self)->capmask)
+#define _cdeq_topos(self, idx) (((self)->start + (idx)) & (self)->capmask)
+
+STC_INLINE _cx_Self     _cx_MEMB(_init)(void)
+                            { _cx_Self cx = {0}; return cx; }
+STC_INLINE void         _cx_MEMB(_put_n)(_cx_Self* self, const _cx_raw* raw, intptr_t n)
+                            { while (n--) _cx_MEMB(_push)(self, i_keyfrom(*raw++)); }
+STC_INLINE _cx_Self     _cx_MEMB(_from_n)(const _cx_raw* raw, intptr_t n)
+                            { _cx_Self cx = {0}; _cx_MEMB(_put_n)(&cx, raw, n); return cx; }
+STC_INLINE void         _cx_MEMB(_value_drop)(_cx_value* val) { i_keydrop(val); }
+
+#if !defined i_no_emplace
+STC_INLINE _cx_value*   _cx_MEMB(_emplace)(_cx_Self* self, _cx_raw raw)
+                            { return _cx_MEMB(_push)(self, i_keyfrom(raw)); }
+#endif
+
+#if defined _i_has_eq || defined _i_has_cmp
+STC_API bool            _cx_MEMB(_eq)(const _cx_Self* self, const _cx_Self* other);
+#endif
+
+#if !defined i_no_clone
+STC_API _cx_Self        _cx_MEMB(_clone)(_cx_Self cx);
+STC_INLINE i_key        _cx_MEMB(_value_clone)(i_key val)
+                            { return i_keyclone(val); }
+STC_INLINE void         _cx_MEMB(_copy)(_cx_Self* self, const _cx_Self* other) {
+                            if (self->data == other->data) return;
+                            _cx_MEMB(_drop)(self);
+                            *self = _cx_MEMB(_clone)(*other);
+                        }
+#endif // !i_no_clone
+STC_INLINE intptr_t     _cx_MEMB(_size)(const _cx_Self* self) 
+                            { return _cdeq_toidx(self, self->end); }
+STC_INLINE intptr_t     _cx_MEMB(_capacity)(const _cx_Self* self)
+                            { return self->capmask; }
+STC_INLINE bool         _cx_MEMB(_empty)(const _cx_Self* self)
+                            { return self->start == self->end; }
+STC_INLINE _cx_raw      _cx_MEMB(_value_toraw)(const _cx_value* pval)
+                            { return i_keyto(pval); }
+
+STC_INLINE _cx_value*   _cx_MEMB(_front)(const _cx_Self* self) 
+                            { return self->data + self->start; }
+
+STC_INLINE _cx_value*   _cx_MEMB(_back)(const _cx_Self* self)
+                            { return self->data + ((self->end - 1) & self->capmask); }
+
+STC_INLINE void _cx_MEMB(_pop)(_cx_Self* self) { // pop_front
+    c_assert(!_cx_MEMB(_empty)(self));
+    i_keydrop((self->data + self->start));
+    self->start = (self->start + 1) & self->capmask;
+}
+
+STC_INLINE _cx_value _cx_MEMB(_pull)(_cx_Self* self) { // move front out of queue
+    c_assert(!_cx_MEMB(_empty)(self));
+    intptr_t s = self->start;
+    self->start = (s + 1) & self->capmask;
+    return self->data[s];
+}
+
+STC_INLINE _cx_iter _cx_MEMB(_begin)(const _cx_Self* self) {
+    return c_LITERAL(_cx_iter){
+        .ref=_cx_MEMB(_empty)(self) ? NULL : self->data + self->start,
+        .pos=self->start, ._s=self
+    };
+}
+
+STC_INLINE _cx_iter _cx_MEMB(_end)(const _cx_Self* self)
+    { return c_LITERAL(_cx_iter){.pos=self->end, ._s=self}; }
+
+STC_INLINE void _cx_MEMB(_next)(_cx_iter* it) {
+    if (it->pos != it->_s->capmask) { ++it->ref; ++it->pos; }
+    else { it->ref -= it->pos; it->pos = 0; }
+    if (it->pos == it->_s->end) it->ref = NULL;
+}
+
+STC_INLINE intptr_t _cx_MEMB(_index)(const _cx_Self* self, _cx_iter it)
+    { return _cdeq_toidx(self, it.pos); }
+
+STC_INLINE void _cx_MEMB(_adjust_end_)(_cx_Self* self, intptr_t n)
+    { self->end = (self->end + n) & self->capmask; }