diff options
Diffstat (limited to 'src/nvim/option.h')
| -rw-r--r-- | src/nvim/option.h | 61 |
1 files changed, 49 insertions, 12 deletions
diff --git a/src/nvim/option.h b/src/nvim/option.h index db438342ab..034c3de148 100644 --- a/src/nvim/option.h +++ b/src/nvim/option.h @@ -8,6 +8,7 @@ #include "nvim/cmdexpand_defs.h" // IWYU pragma: keep #include "nvim/eval/typval_defs.h" #include "nvim/ex_cmds_defs.h" // IWYU pragma: keep +#include "nvim/math.h" #include "nvim/option_defs.h" // IWYU pragma: export #include "nvim/types_defs.h" // IWYU pragma: keep @@ -38,17 +39,16 @@ typedef enum { #define VAR_WIN ((char *)-1) typedef struct vimoption { - char *fullname; ///< full option name - char *shortname; ///< permissible abbreviation - uint32_t flags; ///< see above - void *var; ///< global option: pointer to variable; - ///< window-local option: VAR_WIN; - ///< buffer-local option: global value - idopt_T indir; ///< global option: PV_NONE; - ///< local option: indirect option index - ///< callback function to invoke after an option is modified to validate and - ///< apply the new value. - bool immutable; ///< option value cannot be changed from the default value. + char *fullname; ///< full option name + char *shortname; ///< permissible abbreviation + uint32_t flags; ///< see above + OptTypeFlags type_flags; ///< option type flags, see OptValType + void *var; ///< global option: pointer to variable; + ///< window-local option: VAR_WIN; + ///< buffer-local option: global value + idopt_T indir; ///< global option: PV_NONE; + ///< local option: indirect option index + bool immutable; ///< option value cannot be changed from the default value. /// callback function to invoke after an option is modified to validate and /// apply the new value. @@ -85,7 +85,7 @@ typedef enum { OPT_ONECOLUMN = 0x40, ///< list options one per line OPT_NO_REDRAW = 0x80, ///< ignore redraw flags on option OPT_SKIPRTP = 0x100, ///< "skiprtp" in 'sessionoptions' -} OptionFlags; +} OptionSetFlags; /// Return value from get_option_attrs(). enum { @@ -94,6 +94,22 @@ enum { SOPT_BUF = 0x04, ///< Option has buffer-local value }; +/// Get name of OptValType as a string. +static inline const char *optval_type_get_name(const OptValType type) +{ + switch (type) { + case kOptValTypeNil: + return "nil"; + case kOptValTypeBoolean: + return "boolean"; + case kOptValTypeNumber: + return "number"; + case kOptValTypeString: + return "string"; + } + UNREACHABLE; +} + // OptVal helper macros. #define NIL_OPTVAL ((OptVal) { .type = kOptValTypeNil }) #define BOOLEAN_OPTVAL(b) ((OptVal) { .type = kOptValTypeBoolean, .data.boolean = b }) @@ -108,3 +124,24 @@ enum { #ifdef INCLUDE_GENERATED_DECLARATIONS # include "option.h.generated.h" #endif + +/// Check if option supports a specific type. +static inline bool option_has_type(OptIndex opt_idx, OptValType type) +{ + // Ensure that type flags variable can hold all types. + STATIC_ASSERT(kOptValTypeSize <= sizeof(OptTypeFlags) * 8, + "Option type_flags cannot fit all option types"); + // Ensure that the type is valid before accessing type_flags. + assert(type > kOptValTypeNil && type < kOptValTypeSize); + // Bitshift 1 by the value of type to get the type's corresponding flag, and check if it's set in + // the type_flags bit_field. + return get_option(opt_idx)->type_flags & (1 << type); +} + +/// Check if option is multitype (supports multiple types). +static inline bool option_is_multitype(OptIndex opt_idx) +{ + const OptTypeFlags type_flags = get_option(opt_idx)->type_flags; + assert(type_flags != 0); + return !is_power_of_two(type_flags); +} |