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lua: support getting UTF-32 and UTF-16 sizes of replaced text

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This commit is contained in:
Björn Linse
2019-08-04 12:22:22 +02:00
parent b0e26199ec
commit c0993ed343
10 changed files with 192 additions and 30 deletions
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17
src/nvim/buffer_defs.h
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@@ -459,8 +459,9 @@ typedef struct {
LuaRef on_lines;
LuaRef on_changedtick;
LuaRef on_detach;
bool utf_sizes;
} BufUpdateCallbacks;
#define BUF_UPDATE_CALLBACKS_INIT { LUA_NOREF, LUA_NOREF, LUA_NOREF }
#define BUF_UPDATE_CALLBACKS_INIT { LUA_NOREF, LUA_NOREF, LUA_NOREF, false }
#define BUF_HAS_QF_ENTRY 1
#define BUF_HAS_LL_ENTRY 2
@@ -802,12 +803,24 @@ struct file_buffer {
kvec_t(BufhlLine *) b_bufhl_move_space; // temporary space for highlights
// array of channelids which have asked to receive updates for this
// array of channel_id:s which have asked to receive updates for this
// buffer.
kvec_t(uint64_t) update_channels;
// array of lua callbacks for buffer updates.
kvec_t(BufUpdateCallbacks) update_callbacks;
// whether an update callback has requested codepoint size of deleted regions.
bool update_need_codepoints;
// Measurements of the deleted or replaced region since the last update
// event. Some consumers of buffer changes need to know the byte size (like
// tree-sitter) or the corresponding UTF-32/UTF-16 size (like LSP) of the
// deleted text.
size_t deleted_bytes;
size_t deleted_codepoints;
size_t deleted_codeunits;
// The number for times the current line has been flushed in the memline.
int flush_count;
int b_diff_failed; // internal diff failed for this buffer