diff options
Diffstat (limited to 'src/nvim/ascii.h')
| -rw-r--r-- | src/nvim/ascii.h | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/src/nvim/ascii.h b/src/nvim/ascii.h index 44ff540b40..ff6840d690 100644 --- a/src/nvim/ascii.h +++ b/src/nvim/ascii.h @@ -3,14 +3,17 @@ #include <stdbool.h> +#include "nvim/macros.h" #include "nvim/func_attr.h" #include "nvim/os/os_defs.h" // Definitions of various common control characters. -#define CharOrd(x) ((x) < 'a' ? (x) - 'A' : (x) - 'a') -#define CharOrdLow(x) ((x) - 'a') -#define CharOrdUp(x) ((x) - 'A') +#define CharOrd(x) ((uint8_t)(x) < 'a' \ + ? (uint8_t)(x) - 'A'\ + : (uint8_t)(x) - 'a') +#define CharOrdLow(x) ((uint8_t)(x) - 'a') +#define CharOrdUp(x) ((uint8_t)(x) - 'A') #define ROT13(c, a) (((((c) - (a)) + 13) % 26) + (a)) #define NUL '\000' @@ -18,15 +21,14 @@ #define BS '\010' #define TAB '\011' #define NL '\012' -#define NL_STR (char_u *)"\012" +#define NL_STR "\012" #define FF '\014' #define CAR '\015' /* CR is used by Mac OS X */ #define ESC '\033' -#define ESC_STR (char_u *)"\033" -#define ESC_STR_nc "\033" +#define ESC_STR "\033" #define DEL 0x7f -#define DEL_STR (char_u *)"\177" -#define CSI 0x9b /* Control Sequence Introducer */ +#define DEL_STR "\177" +#define CSI 0x9b // Control Sequence Introducer #define CSI_STR "\233" #define DCS 0x90 /* Device Control String */ #define STERM 0x9c /* String Terminator */ @@ -97,6 +99,10 @@ static inline bool ascii_isxdigit(int) REAL_FATTR_CONST REAL_FATTR_ALWAYS_INLINE; +static inline bool ascii_isident(int) + REAL_FATTR_CONST + REAL_FATTR_ALWAYS_INLINE; + static inline bool ascii_isbdigit(int) REAL_FATTR_CONST REAL_FATTR_ALWAYS_INLINE; @@ -137,6 +143,14 @@ static inline bool ascii_isxdigit(int c) || (c >= 'A' && c <= 'F'); } +/// Checks if `c` is an “identifier” character +/// +/// That is, whether it is alphanumeric character or underscore. +static inline bool ascii_isident(int c) +{ + return ASCII_ISALNUM(c) || c == '_'; +} + /// Checks if `c` is a binary digit, that is, 0-1. /// /// @see {ascii_isdigit} |