diff options
Diffstat (limited to 'src/nvim/lib')
| -rw-r--r-- | src/nvim/lib/kbtree.h | 22 | ||||
| -rw-r--r-- | src/nvim/lib/kvec.h | 12 | ||||
| -rw-r--r-- | src/nvim/lib/ringbuf.h | 27 |
3 files changed, 39 insertions, 22 deletions
diff --git a/src/nvim/lib/kbtree.h b/src/nvim/lib/kbtree.h index a3943054e6..e2688064a8 100644 --- a/src/nvim/lib/kbtree.h +++ b/src/nvim/lib/kbtree.h @@ -390,34 +390,14 @@ #define KBTREE_INIT(name, key_t, __cmp, T) \ KBTREE_INIT_IMPL(name, key_t, kbnode_##name##_t, __cmp, T, (sizeof(kbnode_##name##_t)+(2*T)*sizeof(void *))) -#if (!defined(__clang__) && !defined(__INTEL_COMPILER)) && (__GNUC__ > 4 ) - -// The index trickery shouldn't be UB anymore, -// still it is to much for gcc:s -Werror=array-bounds -# define __KB_PRAGMA_START \ - _Pragma("GCC diagnostic push") \ - _Pragma("GCC diagnostic ignored \"-Warray-bounds\"") - -# define __KB_PRAGMA_END \ - _Pragma("GCC diagnostic pop") \ - -#else - -# define __KB_PRAGMA_START -# define __KB_PRAGMA_END - -#endif - #define KBTREE_INIT_IMPL(name, key_t, kbnode_t, __cmp, T, ILEN) \ - __KB_PRAGMA_START \ __KB_TREE_T(name, key_t, T) \ __KB_GET_AUX1(name, key_t, kbnode_t, __cmp) \ __KB_GET(name, key_t, kbnode_t) \ __KB_INTERVAL(name, key_t, kbnode_t) \ __KB_PUT(name, key_t, kbnode_t, __cmp, T, ILEN) \ __KB_DEL(name, key_t, kbnode_t, T) \ - __KB_ITR(name, key_t, kbnode_t) \ - __KB_PRAGMA_END + __KB_ITR(name, key_t, kbnode_t) #define KB_DEFAULT_SIZE 512 diff --git a/src/nvim/lib/kvec.h b/src/nvim/lib/kvec.h index 584282d773..ad56c9237b 100644 --- a/src/nvim/lib/kvec.h +++ b/src/nvim/lib/kvec.h @@ -41,6 +41,7 @@ #include <string.h> #include "nvim/memory.h" +#include "nvim/os/os_defs.h" #define kv_roundup32(x) \ ((--(x)), \ @@ -62,7 +63,16 @@ #define kv_pop(v) ((v).items[--(v).size]) #define kv_size(v) ((v).size) #define kv_max(v) ((v).capacity) -#define kv_last(v) kv_A(v, kv_size(v) - 1) +#define kv_Z(v, i) kv_A(v, kv_size(v) - (i) - 1) +#define kv_last(v) kv_Z(v, 0) + +/// Drop last n items from kvec without resizing +/// +/// Previously spelled as `(void)kv_pop(v)`, repeated n times. +/// +/// @param[out] v Kvec to drop items from. +/// @param[in] n Number of elements to drop. +#define kv_drop(v, n) ((v).size -= (n)) #define kv_resize(v, s) \ ((v).capacity = (s), \ diff --git a/src/nvim/lib/ringbuf.h b/src/nvim/lib/ringbuf.h index 12b75ec65a..e63eae70b0 100644 --- a/src/nvim/lib/ringbuf.h +++ b/src/nvim/lib/ringbuf.h @@ -15,6 +15,7 @@ #ifndef NVIM_LIB_RINGBUF_H #define NVIM_LIB_RINGBUF_H +#include <stddef.h> #include <string.h> #include <assert.h> #include <stdint.h> @@ -73,6 +74,32 @@ typedef struct { \ RBType *buf_end; \ } TypeName##RingBuffer; +/// Dummy item free macros, for use in RINGBUF_INIT +/// +/// This macros actually does nothing. +/// +/// @param[in] item Item to be freed. +#define RINGBUF_DUMMY_FREE(item) + +/// Static ring buffer +/// +/// @warning Ring buffers created with this macros must neither be freed nor +/// deallocated. +/// +/// @param scope Ring buffer scope. +/// @param TypeName Ring buffer type name. +/// @param RBType Type of the single ring buffer element. +/// @param varname Variable name. +/// @param rbsize Ring buffer size. +#define RINGBUF_STATIC(scope, TypeName, RBType, varname, rbsize) \ +static RBType _##varname##_buf[rbsize]; \ +scope TypeName##RingBuffer varname = { \ + .buf = _##varname##_buf, \ + .next = _##varname##_buf, \ + .first = NULL, \ + .buf_end = _##varname##_buf + rbsize - 1, \ +}; + /// Initialize a new ring buffer /// /// @param TypeName Ring buffer type name. Actual type name will be |