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117 lines
4.2 KiB
C
117 lines
4.2 KiB
C
#ifndef NEOVIM_EVAL_DEFS_H
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#define NEOVIM_EVAL_DEFS_H
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#include "hashtab.h"
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typedef int varnumber_T;
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typedef double float_T;
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typedef struct listvar_S list_T;
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typedef struct dictvar_S dict_T;
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/*
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* Structure to hold an internal variable without a name.
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*/
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typedef struct {
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char v_type; /* see below: VAR_NUMBER, VAR_STRING, etc. */
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char v_lock; /* see below: VAR_LOCKED, VAR_FIXED */
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union {
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varnumber_T v_number; /* number value */
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float_T v_float; /* floating number value */
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char_u *v_string; /* string value (can be NULL!) */
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list_T *v_list; /* list value (can be NULL!) */
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dict_T *v_dict; /* dict value (can be NULL!) */
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} vval;
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} typval_T;
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/* Values for "v_type". */
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#define VAR_UNKNOWN 0
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#define VAR_NUMBER 1 /* "v_number" is used */
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#define VAR_STRING 2 /* "v_string" is used */
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#define VAR_FUNC 3 /* "v_string" is function name */
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#define VAR_LIST 4 /* "v_list" is used */
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#define VAR_DICT 5 /* "v_dict" is used */
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#define VAR_FLOAT 6 /* "v_float" is used */
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/* Values for "dv_scope". */
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#define VAR_SCOPE 1 /* a:, v:, s:, etc. scope dictionaries */
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#define VAR_DEF_SCOPE 2 /* l:, g: scope dictionaries: here funcrefs are not
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allowed to mask existing functions */
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/* Values for "v_lock". */
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#define VAR_LOCKED 1 /* locked with lock(), can use unlock() */
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#define VAR_FIXED 2 /* locked forever */
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/*
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* Structure to hold an item of a list: an internal variable without a name.
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*/
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typedef struct listitem_S listitem_T;
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struct listitem_S {
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listitem_T *li_next; /* next item in list */
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listitem_T *li_prev; /* previous item in list */
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typval_T li_tv; /* type and value of the variable */
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};
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/*
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* Struct used by those that are using an item in a list.
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*/
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typedef struct listwatch_S listwatch_T;
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struct listwatch_S {
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listitem_T *lw_item; /* item being watched */
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listwatch_T *lw_next; /* next watcher */
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};
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/*
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* Structure to hold info about a list.
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*/
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struct listvar_S {
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listitem_T *lv_first; /* first item, NULL if none */
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listitem_T *lv_last; /* last item, NULL if none */
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int lv_refcount; /* reference count */
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int lv_len; /* number of items */
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listwatch_T *lv_watch; /* first watcher, NULL if none */
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int lv_idx; /* cached index of an item */
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listitem_T *lv_idx_item; /* when not NULL item at index "lv_idx" */
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int lv_copyID; /* ID used by deepcopy() */
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list_T *lv_copylist; /* copied list used by deepcopy() */
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char lv_lock; /* zero, VAR_LOCKED, VAR_FIXED */
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list_T *lv_used_next; /* next list in used lists list */
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list_T *lv_used_prev; /* previous list in used lists list */
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};
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/*
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* Structure to hold an item of a Dictionary.
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* Also used for a variable.
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* The key is copied into "di_key" to avoid an extra alloc/free for it.
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*/
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struct dictitem_S {
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typval_T di_tv; /* type and value of the variable */
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char_u di_flags; /* flags (only used for variable) */
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char_u di_key[1]; /* key (actually longer!) */
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};
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typedef struct dictitem_S dictitem_T;
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#define DI_FLAGS_RO 1 /* "di_flags" value: read-only variable */
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#define DI_FLAGS_RO_SBX 2 /* "di_flags" value: read-only in the sandbox */
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#define DI_FLAGS_FIX 4 /* "di_flags" value: fixed variable, not allocated */
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#define DI_FLAGS_LOCK 8 /* "di_flags" value: locked variable */
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/*
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* Structure to hold info about a Dictionary.
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*/
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struct dictvar_S {
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char dv_lock; /* zero, VAR_LOCKED, VAR_FIXED */
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char dv_scope; /* zero, VAR_SCOPE, VAR_DEF_SCOPE */
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int dv_refcount; /* reference count */
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int dv_copyID; /* ID used by deepcopy() */
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hashtab_T dv_hashtab; /* hashtab that refers to the items */
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dict_T *dv_copydict; /* copied dict used by deepcopy() */
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dict_T *dv_used_next; /* next dict in used dicts list */
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dict_T *dv_used_prev; /* previous dict in used dicts list */
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};
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#endif // NEOVIM_EVAL_DEFS_H
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