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Refactor VT parser for more speed

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No longer copy bytes into a separate buffer, instead parse them in place
in the read buffer
This commit is contained in:
Kovid Goyal
2023-11-05 10:24:00 +05:30
parent 23bb2e1b67
commit 6205fb32fd
19 changed files with 1037 additions and 1015 deletions
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8
kitty/data-types.h
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@@ -42,7 +42,9 @@
#define arraysz(x) (sizeof(x)/sizeof(x[0]))
#define zero_at_i(array, idx) memset((array) + (idx), 0, sizeof((array)[0]))
#define zero_at_ptr(p) memset((p), 0, sizeof((p)[0]))
#define literal_strlen(x) (sizeof(x)-1)
#define zero_at_ptr_count(p, count) memset((p), 0, (count) * sizeof((p)[0]))
#define C0_EXCEPT_NL_SPACE_TAB 0x0 ... 0x8: case 0xb ... 0x1f: case 0x7f
void log_error(const char *fmt, ...) __attribute__ ((format (printf, 1, 2)));
#define fatal(...) { log_error(__VA_ARGS__); exit(EXIT_FAILURE); }
static inline void cleanup_free(void *p) { free(*(void**)p); }
@@ -344,8 +346,6 @@ typedef struct {int x;} *SPRITE_MAP_HANDLE;
#define FONTS_DATA_HEAD SPRITE_MAP_HANDLE sprite_map; double logical_dpi_x, logical_dpi_y, font_sz_in_pts; unsigned int cell_width, cell_height;
typedef struct {FONTS_DATA_HEAD} *FONTS_DATA_HANDLE;
#define READ_BUF_SZ (1024u*1024u)
#define clear_sprite_position(cell) (cell).sprite_x = 0; (cell).sprite_y = 0; (cell).sprite_z = 0;
#define ensure_space_for(base, array, type, num, capacity, initial_cap, zero_mem) \
@@ -392,8 +392,8 @@ void cursor_reset(Cursor*);
Cursor* cursor_copy(Cursor*);
void cursor_copy_to(Cursor *src, Cursor *dest);
void cursor_reset_display_attrs(Cursor*);
void cursor_from_sgr(Cursor *self, int *params, unsigned int count);
void apply_sgr_to_cells(GPUCell *first_cell, unsigned int cell_count, int *params, unsigned int count);
void cursor_from_sgr(Cursor *self, int *params, unsigned int count, bool is_group);
void apply_sgr_to_cells(GPUCell *first_cell, unsigned int cell_count, int *params, unsigned int count, bool is_group);
const char* cell_as_sgr(const GPUCell *, const GPUCell *);
const char* cursor_as_sgr(const Cursor *);