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Diffstat (limited to 'src/structs.h')
| -rw-r--r-- | src/structs.h | 1887 |
1 files changed, 1887 insertions, 0 deletions
diff --git a/src/structs.h b/src/structs.h new file mode 100644 index 000000000..ac0a795cb --- /dev/null +++ b/src/structs.h @@ -0,0 +1,1887 @@ +/* vi:set ts=8 sts=4 sw=4: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + */ + +/* + * This file contains various definitions of structures that are used by Vim + */ + +/* + * There is something wrong in the SAS compiler that makes typedefs not + * valid in include files. Has been fixed in version 6.58. + */ +#if defined(SASC) && SASC < 658 +typedef long linenr_T; +typedef unsigned colnr_T; +typedef unsigned short short_u; +#endif + +/* + * position in file or buffer + */ +typedef struct +{ + linenr_T lnum; /* line number */ + colnr_T col; /* column number */ +#ifdef FEAT_VIRTUALEDIT + colnr_T coladd; +#endif +} pos_T; + +#ifdef FEAT_VIRTUALEDIT +# define INIT_POS_T {0, 0, 0} +#else +# define INIT_POS_T {0, 0} +#endif + +/* + * Same, but without coladd. + */ +typedef struct +{ + linenr_T lnum; /* line number */ + colnr_T col; /* column number */ +} lpos_T; + +/* + * Structure used for growing arrays. + * This is used to store information that only grows, is deleted all at + * once, and needs to be accessed by index. See ga_clear() and ga_grow(). + */ +typedef struct growarray +{ + int ga_len; /* current number of items used */ + int ga_room; /* number of unused items at the end */ + int ga_itemsize; /* sizeof one item */ + int ga_growsize; /* number of items to grow each time */ + void *ga_data; /* pointer to the first item */ +} garray_T; + +#define GA_EMPTY {0, 0, 0, 0, NULL} + +/* + * This is here because regexp.h needs pos_T and below regprog_T is used. + */ +#include "regexp.h" + +typedef struct window win_T; +typedef struct wininfo wininfo_T; +typedef struct frame frame_T; +typedef int scid_T; /* script ID */ + +/* + * This is here because gui.h needs the pos_T and win_T, and win_T needs gui.h + * for scrollbar_T. + */ +#ifdef FEAT_GUI +# include "gui.h" +#else +# ifdef FEAT_XCLIPBOARD +# include <X11/Intrinsic.h> +# endif +# define guicolor_T int /* avoid error in prototypes */ +#endif + +/* + * marks: positions in a file + * (a normal mark is a lnum/col pair, the same as a file position) + */ + +/* (Note: for EBCDIC there are more than 26, because there are gaps in the + * alphabet coding. To minimize changes to the code, I decided to just + * increase the number of possible marks. */ +#define NMARKS ('z' - 'a' + 1) /* max. # of named marks */ +#define JUMPLISTSIZE 100 /* max. # of marks in jump list */ +#define TAGSTACKSIZE 20 /* max. # of tags in tag stack */ + +typedef struct filemark +{ + pos_T mark; /* cursor position */ + int fnum; /* file number */ +} fmark_T; + +/* Xtended file mark: also has a file name */ +typedef struct xfilemark +{ + fmark_T fmark; + char_u *fname; /* file name, used when fnum == 0 */ +} xfmark_T; + +/* + * The taggy struct is used to store the information about a :tag command. + */ +typedef struct taggy +{ + char_u *tagname; /* tag name */ + fmark_T fmark; /* cursor position BEFORE ":tag" */ + int cur_match; /* match number */ + int cur_fnum; /* buffer number used for cur_match */ +} taggy_T; + +/* + * Structure that contains all options that are local to a window. + * Used twice in a window: for the current buffer and for all buffers. + * Also used in wininfo_T. + */ +typedef struct +{ +#ifdef FEAT_ARABIC + int wo_arab; +# define w_p_arab w_onebuf_opt.wo_arab /* 'arabic' */ +#endif +#ifdef FEAT_DIFF + int wo_diff; +# define w_p_diff w_onebuf_opt.wo_diff /* 'diff' */ +#endif +#ifdef FEAT_FOLDING + long wo_fdc; +# define w_p_fdc w_onebuf_opt.wo_fdc /* 'foldcolumn' */ + int wo_fen; +# define w_p_fen w_onebuf_opt.wo_fen /* 'foldenable' */ + char_u *wo_fdi; +# define w_p_fdi w_onebuf_opt.wo_fdi /* 'foldignore' */ + long wo_fdl; +# define w_p_fdl w_onebuf_opt.wo_fdl /* 'foldlevel' */ + char_u *wo_fdm; +# define w_p_fdm w_onebuf_opt.wo_fdm /* 'foldmethod' */ + long wo_fml; +# define w_p_fml w_onebuf_opt.wo_fml /* 'foldminlines' */ + long wo_fdn; +# define w_p_fdn w_onebuf_opt.wo_fdn /* 'foldnextmax' */ +# ifdef FEAT_EVAL + char_u *wo_fde; +# define w_p_fde w_onebuf_opt.wo_fde /* 'foldexpr' */ + char_u *wo_fdt; +# define w_p_fdt w_onebuf_opt.wo_fdt /* 'foldtext' */ +# endif + char_u *wo_fmr; +# define w_p_fmr w_onebuf_opt.wo_fmr /* 'foldmarker' */ +#endif +#ifdef FEAT_LINEBREAK + int wo_lbr; +# define w_p_lbr w_onebuf_opt.wo_lbr /* 'linebreak' */ +#endif + int wo_list; +#define w_p_list w_onebuf_opt.wo_list /* 'list' */ + int wo_nu; +#define w_p_nu w_onebuf_opt.wo_nu /* 'number' */ +#if defined(FEAT_WINDOWS) + int wo_wfh; +# define w_p_wfh w_onebuf_opt.wo_wfh /* 'winfixheight' */ +#endif +#if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) + int wo_pvw; +# define w_p_pvw w_onebuf_opt.wo_pvw /* 'previewwindow' */ +#endif +#ifdef FEAT_RIGHTLEFT + int wo_rl; +# define w_p_rl w_onebuf_opt.wo_rl /* 'rightleft' */ + char_u *wo_rlc; +# define w_p_rlc w_onebuf_opt.wo_rlc /* 'rightleftcmd' */ +#endif + long wo_scr; +#define w_p_scr w_onebuf_opt.wo_scr /* 'scroll' */ +#ifdef FEAT_SCROLLBIND + int wo_scb; +# define w_p_scb w_onebuf_opt.wo_scb /* 'scrollbind' */ +#endif + int wo_wrap; +#define w_p_wrap w_onebuf_opt.wo_wrap /* 'wrap' */ +} winopt_T; + +/* + * Window info stored with a buffer. + * + * Two types of info are kept for a buffer which are associated with a + * specific window: + * 1. Each window can have a different line number associated with a buffer. + * 2. The window-local options for a buffer work in a similar way. + * The window-info is kept in a list at b_wininfo. It is kept in + * most-recently-used order. + */ +struct wininfo +{ + wininfo_T *wi_next; /* next entry or NULL for last entry */ + wininfo_T *wi_prev; /* previous entry or NULL for first entry */ + win_T *wi_win; /* pointer to window that did set wi_lnum */ + pos_T wi_fpos; /* last cursor position in the file */ + int wi_optset; /* TRUE when wi_opt has useful values */ + winopt_T wi_opt; /* local window options */ +#ifdef FEAT_FOLDING + int wi_fold_manual; /* copy of w_fold_manual */ + garray_T wi_folds; /* clone of w_folds */ +#endif +}; + +/* + * Info used to pass info about a fold from the fold-detection code to the + * code that displays the foldcolumn. + */ +typedef struct foldinfo +{ + int fi_level; /* level of the fold; when this is zero the + other fields are invalid */ + int fi_lnum; /* line number where fold starts */ + int fi_low_level; /* lowest fold level that starts in the same + line */ +} foldinfo_T; + +/* + * stuctures used for undo + */ + +typedef struct u_entry u_entry_T; +typedef struct u_header u_header_T; +struct u_entry +{ + u_entry_T *ue_next; /* pointer to next entry in list */ + linenr_T ue_top; /* number of line above undo block */ + linenr_T ue_bot; /* number of line below undo block */ + linenr_T ue_lcount; /* linecount when u_save called */ + char_u **ue_array; /* array of lines in undo block */ + long ue_size; /* number of lines in ue_array */ +}; + +struct u_header +{ + u_header_T *uh_next; /* pointer to next header in list */ + u_header_T *uh_prev; /* pointer to previous header in list */ + u_entry_T *uh_entry; /* pointer to first entry */ + u_entry_T *uh_getbot_entry; /* pointer to where ue_bot must be set */ + pos_T uh_cursor; /* cursor position before saving */ +#ifdef FEAT_VIRTUALEDIT + long uh_cursor_vcol; +#endif + int uh_flags; /* see below */ + pos_T uh_namedm[NMARKS]; /* marks before undo/after redo */ +}; + +/* values for uh_flags */ +#define UH_CHANGED 0x01 /* b_changed flag before undo/after redo */ +#define UH_EMPTYBUF 0x02 /* buffer was empty */ + +/* + * stuctures used in undo.c + */ +#if SIZEOF_INT > 2 +# define ALIGN_LONG /* longword alignment and use filler byte */ +# define ALIGN_SIZE (sizeof(long)) +#else +# define ALIGN_SIZE (sizeof(short)) +#endif + +#define ALIGN_MASK (ALIGN_SIZE - 1) + +typedef struct m_info minfo_T; + +/* + * stucture used to link chunks in one of the free chunk lists. + */ +struct m_info +{ +#ifdef ALIGN_LONG + long_u m_size; /* size of the chunk (including m_info) */ +#else + short_u m_size; /* size of the chunk (including m_info) */ +#endif + minfo_T *m_next; /* pointer to next free chunk in the list */ +}; + +/* + * structure used to link blocks in the list of allocated blocks. + */ +typedef struct m_block mblock_T; +struct m_block +{ + mblock_T *mb_next; /* pointer to next allocated block */ + size_t mb_size; /* total size of all chunks in this block */ + minfo_T mb_info; /* head of free chuck list for this block */ +}; + +/* + * things used in memfile.c + */ + +typedef struct block_hdr bhdr_T; +typedef struct memfile memfile_T; +typedef long blocknr_T; + +/* + * for each (previously) used block in the memfile there is one block header. + * + * The block may be linked in the used list OR in the free list. + * The used blocks are also kept in hash lists. + * + * The used list is a doubly linked list, most recently used block first. + * The blocks in the used list have a block of memory allocated. + * mf_used_count is the number of pages in the used list. + * The hash lists are used to quickly find a block in the used list. + * The free list is a single linked list, not sorted. + * The blocks in the free list have no block of memory allocated and + * the contents of the block in the file (if any) is irrelevant. + */ + +struct block_hdr +{ + bhdr_T *bh_next; /* next block_hdr in free or used list */ + bhdr_T *bh_prev; /* previous block_hdr in used list */ + bhdr_T *bh_hash_next; /* next block_hdr in hash list */ + bhdr_T *bh_hash_prev; /* previous block_hdr in hash list */ + blocknr_T bh_bnum; /* block number */ + char_u *bh_data; /* pointer to memory (for used block) */ + int bh_page_count; /* number of pages in this block */ + +#define BH_DIRTY 1 +#define BH_LOCKED 2 + char bh_flags; /* BH_DIRTY or BH_LOCKED */ +}; + +/* + * when a block with a negative number is flushed to the file, it gets + * a positive number. Because the reference to the block is still the negative + * number, we remember the translation to the new positive number in the + * double linked trans lists. The structure is the same as the hash lists. + */ +typedef struct nr_trans NR_TRANS; + +struct nr_trans +{ + NR_TRANS *nt_next; /* next nr_trans in hash list */ + NR_TRANS *nt_prev; /* previous nr_trans in hash list */ + blocknr_T nt_old_bnum; /* old, negative, number */ + blocknr_T nt_new_bnum; /* new, positive, number */ +}; + +/* + * structure used to store one block of the stuff/redo/recording buffers + */ +struct buffblock +{ + struct buffblock *b_next; /* pointer to next buffblock */ + char_u b_str[1]; /* contents (actually longer) */ +}; + +/* + * header used for the stuff buffer and the redo buffer + */ +struct buffheader +{ + struct buffblock bh_first; /* first (dummy) block of list */ + struct buffblock *bh_curr; /* buffblock for appending */ + int bh_index; /* index for reading */ + int bh_space; /* space in bh_curr for appending */ +}; + +/* + * used for completion on the command line + */ +typedef struct expand +{ + int xp_context; /* type of expansion */ + char_u *xp_pattern; /* start of item to expand */ +#if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) + char_u *xp_arg; /* completion function */ + int xp_scriptID; /* SID for completion function */ +#endif + int xp_backslash; /* one of the XP_BS_ values */ + int xp_numfiles; /* number of files found by + file name completion */ + char_u **xp_files; /* list of files */ +} expand_T; + +/* values for xp_backslash */ +#define XP_BS_NONE 0 /* nothing special for backslashes */ +#define XP_BS_ONE 1 /* uses one backslash before a space */ +#define XP_BS_THREE 2 /* uses three backslashes before a space */ + +/* + * Command modifiers ":vertical", ":browse", ":confirm" and ":hide" set a flag. + * This needs to be saved for recursive commands, put them in a structure for + * easy manipulation. + */ +typedef struct +{ + int hide; /* TRUE when ":hide" was used */ +# ifdef FEAT_BROWSE + int browse; /* TRUE to invoke file dialog */ +# endif +# ifdef FEAT_WINDOWS + int split; /* flags for win_split() */ +# endif +# if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + int confirm; /* TRUE to invoke yes/no dialog */ +# endif + int keepmarks; /* TRUE when ":keepmarks" was used */ + int keepjumps; /* TRUE when ":keepjumps" was used */ + int lockmarks; /* TRUE when ":lockmarks" was used */ +} cmdmod_T; + +/* + * Simplistic hashing scheme to quickly locate the blocks in the used list. + * 64 blocks are found directly (64 * 4K = 256K, most files are smaller). + */ +#define MEMHASHSIZE 64 +#define MEMHASH(nr) ((nr) & (MEMHASHSIZE - 1)) + +struct memfile +{ + char_u *mf_fname; /* name of the file */ + char_u *mf_ffname; /* idem, full path */ + int mf_fd; /* file descriptor */ + bhdr_T *mf_free_first; /* first block_hdr in free list */ + bhdr_T *mf_used_first; /* mru block_hdr in used list */ + bhdr_T *mf_used_last; /* lru block_hdr in used list */ + unsigned mf_used_count; /* number of pages in used list */ + unsigned mf_used_count_max; /* maximum number of pages in memory */ + bhdr_T *mf_hash[MEMHASHSIZE]; /* array of hash lists */ + NR_TRANS *mf_trans[MEMHASHSIZE]; /* array of trans lists */ + blocknr_T mf_blocknr_max; /* highest positive block number + 1*/ + blocknr_T mf_blocknr_min; /* lowest negative block number - 1 */ + blocknr_T mf_neg_count; /* number of negative blocks numbers */ + blocknr_T mf_infile_count; /* number of pages in the file */ + unsigned mf_page_size; /* number of bytes in a page */ + int mf_dirty; /* TRUE if there are dirty blocks */ +}; + +/* + * things used in memline.c + */ +/* + * When searching for a specific line, we remember what blocks in the tree + * are the branches leading to that block. This is stored in ml_stack. Each + * entry is a pointer to info in a block (may be data block or pointer block) + */ +typedef struct info_pointer +{ + blocknr_T ip_bnum; /* block number */ + linenr_T ip_low; /* lowest lnum in this block */ + linenr_T ip_high; /* highest lnum in this block */ + int ip_index; /* index for block with current lnum */ +} infoptr_T; /* block/index pair */ + +#ifdef FEAT_BYTEOFF +typedef struct ml_chunksize +{ + int mlcs_numlines; + long mlcs_totalsize; +} chunksize_T; + + /* Flags when calling ml_updatechunk() */ + +#define ML_CHNK_ADDLINE 1 +#define ML_CHNK_DELLINE 2 +#define ML_CHNK_UPDLINE 3 +#endif + +/* + * the memline structure holds all the information about a memline + */ +typedef struct memline +{ + linenr_T ml_line_count; /* number of lines in the buffer */ + + memfile_T *ml_mfp; /* pointer to associated memfile */ + +#define ML_EMPTY 1 /* empty buffer */ +#define ML_LINE_DIRTY 2 /* cached line was changed and allocated */ +#define ML_LOCKED_DIRTY 4 /* ml_locked was changed */ +#define ML_LOCKED_POS 8 /* ml_locked needs positive block number */ + int ml_flags; + + infoptr_T *ml_stack; /* stack of pointer blocks (array of IPTRs) */ + int ml_stack_top; /* current top if ml_stack */ + int ml_stack_size; /* total number of entries in ml_stack */ + + linenr_T ml_line_lnum; /* line number of cached line, 0 if not valid */ + char_u *ml_line_ptr; /* pointer to cached line */ + + bhdr_T *ml_locked; /* block used by last ml_get */ + linenr_T ml_locked_low; /* first line in ml_locked */ + linenr_T ml_locked_high; /* last line in ml_locked */ + int ml_locked_lineadd; /* number of lines inserted in ml_locked */ +#ifdef FEAT_BYTEOFF + chunksize_T *ml_chunksize; + int ml_numchunks; + int ml_usedchunks; +#endif +} memline_T; + +#if defined(FEAT_SIGNS) || defined(PROTO) +typedef struct signlist signlist_T; + +struct signlist +{ + int id; /* unique identifier for each placed sign */ + linenr_T lnum; /* line number which has this sign */ + int typenr; /* typenr of sign */ + signlist_T *next; /* next signlist entry */ +# ifdef FEAT_NETBEANS_INTG + signlist_T *prev; /* previous entry -- for easy reordering */ +# endif +}; + +/* type argument for buf_getsigntype() */ +#define SIGN_ANY 0 +#define SIGN_LINEHL 1 +#define SIGN_ICON 2 +#define SIGN_TEXT 3 +#endif + +/* + * Argument list: Array of file names. + * Used for the global argument list and the argument lists local to a window. + */ +typedef struct arglist +{ + garray_T al_ga; /* growarray with the array of file names */ + int al_refcount; /* number of windows using this arglist */ +} alist_T; + +/* + * For each argument remember the file name as it was given, and the buffer + * number that contains the expanded file name (required for when ":cd" is + * used. + */ +typedef struct argentry +{ + char_u *ae_fname; /* file name as specified */ + int ae_fnum; /* buffer number with expanded file name */ +} aentry_T; + +#ifdef FEAT_WINDOWS +# define ALIST(win) (win)->w_alist +#else +# define ALIST(win) (&global_alist) +#endif +#define GARGLIST ((aentry_T *)global_alist.al_ga.ga_data) +#define ARGLIST ((aentry_T *)ALIST(curwin)->al_ga.ga_data) +#define WARGLIST(wp) ((aentry_T *)ALIST(wp)->al_ga.ga_data) +#define AARGLIST(al) ((aentry_T *)((al)->al_ga.ga_data)) +#define GARGCOUNT (global_alist.al_ga.ga_len) +#define ARGCOUNT (ALIST(curwin)->al_ga.ga_len) +#define WARGCOUNT(wp) (ALIST(wp)->al_ga.ga_len) + +/* + * A list used for saving values of "emsg_silent". Used by ex_try() to save the + * value of "emsg_silent" if it was non-zero. When this is done, the CSF_SILENT + * flag below is set. + */ + +typedef struct eslist_elem eslist_T; +struct eslist_elem +{ + int saved_emsg_silent; /* saved value of "emsg_silent" */ + eslist_T *next; /* next element on the list */ +}; + +/* + * For conditional commands a stack is kept of nested conditionals. + * When cs_idx < 0, there is no conditional command. + */ +#define CSTACK_LEN 50 + +struct condstack +{ + char cs_flags[CSTACK_LEN]; /* CSF_ flags */ + char cs_pending[CSTACK_LEN]; /* CSTP_: what's pending in ":finally"*/ + union { + void *cs_pend_rv[CSTACK_LEN]; /* returnval for pending return */ + void *cs_pend_ex[CSTACK_LEN]; /* exception for pending throw */ + } cs_pend; + int cs_line[CSTACK_LEN]; /* line number of ":while" line */ + int cs_idx; /* current entry, or -1 if none */ + int cs_whilelevel; /* number of nested ":while"s */ + int cs_trylevel; /* number of nested ":try"s */ + eslist_T *cs_emsg_silent_list; /* saved values of "emsg_silent" */ + char cs_had_while; /* just found ":while" */ + char cs_had_continue; /* just found ":continue" */ + char cs_had_endwhile; /* just found ":endwhile" */ + char cs_had_finally; /* just found ":finally" */ +}; +# define cs_retvar cs_pend.cs_pend_rv +# define cs_exception cs_pend.cs_pend_ex + +# define CSF_TRUE 1 /* condition was TRUE */ +# define CSF_ACTIVE 2 /* current state is active */ +# define CSF_ELSE 4 /* ":else" has been passed */ +# define CSF_WHILE 8 /* is a ":while" */ +# define CSF_TRY 16 /* is a ":try" */ +# define CSF_FINALLY 32 /* ":finally" has been passed */ +# define CSF_THROWN 64 /* exception thrown to this try conditional */ +# define CSF_CAUGHT 128 /* exception caught by this try conditional */ +# define CSF_SILENT 4 /* "emsg_silent" reset by ":try" */ +/* Note that CSF_ELSE is only used when CSF_TRY and CSF_WHILE are unset + * (an ":if"), and CSF_SILENT is only used when CSF_TRY is set. */ + +/* + * What's pending for being reactivated at the ":endtry" of this try + * conditional: + */ +# define CSTP_NONE 0 /* nothing pending in ":finally" clause */ +# define CSTP_ERROR 1 /* an error is pending */ +# define CSTP_INTERRUPT 2 /* an interrupt is pending */ +# define CSTP_THROW 4 /* a throw is pending */ +# define CSTP_BREAK 8 /* ":break" is pending */ +# define CSTP_CONTINUE 16 /* ":continue" is pending */ +# define CSTP_RETURN 24 /* ":return" is pending */ +# define CSTP_FINISH 32 /* ":finish" is pending */ + +/* + * A list of error messages that can be converted to an exception. "throw_msg" + * is only set in the first element of the list. Usually, it points to the + * original message stored in that element, but sometimes it points to a later + * message in the list. See cause_errthrow() below. + */ +struct msglist +{ + char_u *msg; /* original message */ + char_u *throw_msg; /* msg to throw: usually original one */ + struct msglist *next; /* next of several messages in a row */ +}; + +/* + * Structure describing an exception. + * (don't use "struct exception", it's used by the math library). + */ +typedef struct vim_exception except_T; +struct vim_exception +{ + int type; /* exception type */ + char_u *value; /* exception value */ + struct msglist *messages; /* message(s) causing error exception */ + char_u *throw_name; /* name of the throw point */ + linenr_T throw_lnum; /* line number of the throw point */ + except_T *caught; /* next exception on the caught stack */ +}; + +/* + * The exception types. + */ +#define ET_USER 0 /* exception caused by ":throw" command */ +#define ET_ERROR 1 /* error exception */ +#define ET_INTERRUPT 2 /* interrupt exception triggered by Ctrl-C */ + + +#ifdef FEAT_SYN_HL +/* struct passed to in_id_list() */ +struct sp_syn +{ + int inc_tag; /* ":syn include" unique tag */ + short id; /* highlight group ID of item */ + short *cont_in_list; /* cont.in group IDs, if non-zero */ +}; + +/* + * Each keyword has one keyentry, which is linked in a hash list. + */ +typedef struct keyentry keyentry_T; + +struct keyentry +{ + keyentry_T *next; /* next keyword in the hash list */ + struct sp_syn k_syn; /* struct passed to in_id_list() */ + short *next_list; /* ID list for next match (if non-zero) */ + short flags; /* see syntax.c */ + char_u keyword[1]; /* actually longer */ +}; + +/* + * Struct used to store one state of the state stack. + */ +typedef struct buf_state +{ + int bs_idx; /* index of pattern */ + long bs_flags; /* flags for pattern */ + reg_extmatch_T *bs_extmatch; /* external matches from start pattern */ +} bufstate_T; + +/* + * syn_state contains the syntax state stack for the start of one line. + * Used by b_sst_array[]. + */ +typedef struct syn_state synstate_T; + +struct syn_state +{ + synstate_T *sst_next; /* next entry in used or free list */ + linenr_T sst_lnum; /* line number for this state */ + union + { + bufstate_T sst_stack[SST_FIX_STATES]; /* short state stack */ + garray_T sst_ga; /* growarray for long state stack */ + } sst_union; + int sst_next_flags; /* flags for sst_next_list */ + short *sst_next_list; /* "nextgroup" list in this state + * (this is a copy, don't free it! */ + short sst_stacksize; /* number of states on the stack */ + disptick_T sst_tick; /* tick when last displayed */ + linenr_T sst_change_lnum;/* when non-zero, change in this line + * may have made the state invalid */ +}; +#endif /* FEAT_SYN_HL */ + +/* + * Structure shared between syntax.c, screen.c and gui_x11.c. + */ +typedef struct attr_entry +{ + short ae_attr; /* HL_BOLD, etc. */ + union + { + struct + { + char_u *start; /* start escape sequence */ + char_u *stop; /* stop escape sequence */ + } term; + struct + { + char_u fg_color; /* foreground color number */ + char_u bg_color; /* background color number */ + } cterm; +# ifdef FEAT_GUI + struct + { + guicolor_T fg_color; /* foreground color handle */ + guicolor_T bg_color; /* background color handle */ + GuiFont font; /* font handle */ +# ifdef FEAT_XFONTSET + GuiFontset fontset; /* fontset handle */ +# endif + } gui; +# endif + } ae_u; +} attrentry_T; + +#ifdef USE_ICONV +# ifdef HAVE_ICONV_H +# include <iconv.h> +# else +# if defined(MACOS_X) +# include <sys/errno.h> +# define EILSEQ ENOENT /* MacOS X does not have EILSEQ */ +typedef struct _iconv_t *iconv_t; +# else +# if defined(MACOS_CLASSIC) +typedef struct _iconv_t *iconv_t; +# define EINVAL 22 +# define E2BIG 7 +# define ENOENT 2 +# define EFAULT 14 +# define EILSEQ 123 +# else +# include <errno.h> +# endif +# endif +typedef void *iconv_t; +# endif +#endif + +/* + * Used for the typeahead buffer: typebuf. + */ +typedef struct +{ + char_u *tb_buf; /* buffer for typed characters */ + char_u *tb_noremap; /* mapping flags for characters in tb_buf[] */ + int tb_buflen; /* size of tb_buf[] */ + int tb_off; /* current position in tb_buf[] */ + int tb_len; /* number of valid bytes in tb_buf[] */ + int tb_maplen; /* nr of mapped bytes in tb_buf[] */ + int tb_silent; /* nr of silently mapped bytes in tb_buf[] */ + int tb_no_abbr_cnt; /* nr of bytes without abbrev. in tb_buf[] */ + int tb_change_cnt; /* nr of time tb_buf was changed; never zero */ +} typebuf_T; + +/* Struct to hold the saved typeahead for save_typeahead(). */ +typedef struct +{ + typebuf_T save_typebuf; + int typebuf_valid; /* TRUE when save_typebuf valid */ + struct buffheader save_stuffbuff; +#ifdef USE_INPUT_BUF + char_u *save_inputbuf; +#endif +} tasave_T; + +/* + * Used for conversion of terminal I/O and script files. + */ +typedef struct +{ + int vc_type; /* zero or one of the CONV_ values */ + int vc_factor; /* max. expansion factor */ +# ifdef WIN3264 + int vc_cpfrom; /* codepage to convert from (CONV_CODEPAGE) */ + int vc_cpto; /* codepage to convert to (CONV_CODEPAGE) */ +# endif +# ifdef USE_ICONV + iconv_t vc_fd; /* for CONV_ICONV */ +# endif + int vc_fail; /* fail for invalid char, don't use '?' */ +} vimconv_T; + +/* + * Structure used for reading from the viminfo file. + */ +typedef struct +{ + char_u *vir_line; /* text of the current line */ + FILE *vir_fd; /* file descriptor */ +#ifdef FEAT_MBYTE + vimconv_T vir_conv; /* encoding conversion */ +#endif +} vir_T; + +#define CONV_NONE 0 +#define CONV_TO_UTF8 1 +#define CONV_TO_LATIN1 2 +#define CONV_ICONV 3 +#ifdef WIN3264 +# define CONV_CODEPAGE 4 /* codepage -> codepage */ +#endif +#ifdef MACOS_X +# define CONV_MAC_LATIN1 5 +# define CONV_LATIN1_MAC 6 +# define CONV_MAC_UTF8 7 +# define CONV_UTF8_MAC 8 +#endif + +/* + * Structure used for mappings and abbreviations. + */ +typedef struct mapblock mapblock_T; +struct mapblock +{ + mapblock_T *m_next; /* next mapblock in list */ + char_u *m_keys; /* mapped from */ + int m_keylen; /* strlen(m_keys) */ + char_u *m_str; /* mapped to */ + int m_mode; /* valid mode */ + int m_noremap; /* if non-zero no re-mapping for m_str */ + char m_silent; /* <silent> used, don't echo commands */ +#if 0 /* Not used yet */ + scid_T m_script_ID; /* ID of script where map was defined, + used for s: variables and functions */ +#endif +}; + +/* + * Used for highlighting in the status line. + */ +struct stl_hlrec +{ + char_u *start; + int userhl; +}; + +/* + * buffer: structure that holds information about one file + * + * Several windows can share a single Buffer + * A buffer is unallocated if there is no memfile for it. + * A buffer is new if the associated file has never been loaded yet. + */ + +typedef struct file_buffer buf_T; + +struct file_buffer +{ + memline_T b_ml; /* associated memline (also contains line + count) */ + + buf_T *b_next; /* links in list of buffers */ + buf_T *b_prev; + + int b_nwindows; /* nr of windows open on this buffer */ + + int b_flags; /* various BF_ flags */ + + /* + * b_ffname has the full path of the file (NULL for no name). + * b_sfname is the name as the user typed it (or NULL). + * b_fname is the same as b_sfname, unless ":cd" has been done, + * then it is the same as b_ffname (NULL for no name). + */ + char_u *b_ffname; /* full path file name */ + char_u *b_sfname; /* short file name */ + char_u *b_fname; /* current file name */ + +#ifdef UNIX + int b_dev; /* device number (-1 if not set) */ + ino_t b_ino; /* inode number */ +#endif +#ifdef FEAT_CW_EDITOR + FSSpec b_FSSpec; /* MacOS File Identification */ +#endif +#ifdef VMS + char b_fab_rfm; /* Record format */ +#endif +#ifdef FEAT_SNIFF + int b_sniff; /* file was loaded through Sniff */ +#endif + + int b_fnum; /* buffer number for this file. */ + + int b_changed; /* 'modified': Set to TRUE if something in the + file has been changed and not written out. */ + int b_changedtick; /* incremented for each change, also for undo */ + + int b_saving; /* Set to TRUE if we are in the middle of + saving the buffer. */ + + /* + * Changes to a buffer require updating of the display. To minimize the + * work, remember changes made and update everything at once. + */ + int b_mod_set; /* TRUE when there are changes since the last + time the display was updated */ + linenr_T b_mod_top; /* topmost lnum that was changed */ + linenr_T b_mod_bot; /* lnum below last changed line, AFTER the + change */ + long b_mod_xlines; /* number of extra buffer lines inserted; + negative when lines were deleted */ + + wininfo_T *b_wininfo; /* list of last used info for each window */ + + long b_mtime; /* last change time of original file */ + long b_mtime_read; /* last change time when reading */ + size_t b_orig_size; /* size of original file in bytes */ + int b_orig_mode; /* mode of original file */ + + pos_T b_namedm[NMARKS]; /* current named marks (mark.c) */ + +#ifdef FEAT_VISUAL + /* These variables are set when VIsual_active becomes FALSE */ + pos_T b_visual_start; /* start pos of last VIsual */ + pos_T b_visual_end; /* end position of last VIsual */ + int b_visual_mode; /* VIsual_mode of last VIsual */ +# ifdef FEAT_EVAL + int b_visual_mode_eval; /* b_visual_mode for visualmode() */ +# endif + colnr_T b_visual_curswant; /* MAXCOL from w_curswant */ +#endif + + pos_T b_last_cursor; /* cursor position when last unloading this + buffer */ + pos_T b_last_insert; /* where Insert mode was left */ + pos_T b_last_change; /* position of last change: '. mark */ + +#ifdef FEAT_JUMPLIST + /* + * the changelist contains old change positions + */ + pos_T b_changelist[JUMPLISTSIZE]; + int b_changelistlen; /* number of active entries */ + int b_new_change; /* set by u_savecommon() */ +#endif + + /* + * Character table, only used in charset.c for 'iskeyword' + * 32 bytes of 8 bits: 1 bit per character 0-255. + */ + char_u b_chartab[32]; + +#ifdef FEAT_LOCALMAP + /* Table used for mappings local to a buffer. */ + mapblock_T *(b_maphash[256]); + + /* First abbreviation local to a buffer. */ + mapblock_T *b_first_abbr; +#endif +#ifdef FEAT_USR_CMDS + /* User commands local to the buffer. */ + garray_T b_ucmds; +#endif + /* + * start and end of an operator, also used for '[ and '] + */ + pos_T b_op_start; + pos_T b_op_end; + +#ifdef FEAT_VIMINFO + int b_marks_read; /* Have we read viminfo marks yet? */ +#endif + + /* + * The following only used in undo.c. + */ + u_header_T *b_u_oldhead; /* pointer to oldest header */ + u_header_T *b_u_newhead; /* pointer to newest header */ + u_header_T *b_u_curhead; /* pointer to current header */ + int b_u_numhead; /* current number of headers */ + int b_u_synced; /* entry lists are synced */ + + /* + * variables for "U" command in undo.c + */ + char_u *b_u_line_ptr; /* saved line for "U" command */ + linenr_T b_u_line_lnum; /* line number of line in u_line */ + colnr_T b_u_line_colnr; /* optional column number */ + + /* + * The following only used in undo.c + */ + mblock_T b_block_head; /* head of allocated memory block list */ + minfo_T *b_m_search; /* pointer to chunk before previously + allocated/freed chunk */ + mblock_T *b_mb_current; /* block where m_search points in */ +#ifdef FEAT_INS_EXPAND + int b_scanned; /* ^N/^P have scanned this buffer */ +#endif + + /* flags for use of ":lmap" and IM control */ + long b_p_iminsert; /* input mode for insert */ + long b_p_imsearch; /* input mode for search */ +#define B_IMODE_USE_INSERT -1 /* Use b_p_iminsert value for search */ +#define B_IMODE_NONE 0 /* Input via none */ +#define B_IMODE_LMAP 1 /* Input via langmap */ +#ifndef USE_IM_CONTROL +# define B_IMODE_LAST 1 +#else +# define B_IMODE_IM 2 /* Input via input method */ +# define B_IMODE_LAST 2 +#endif + +#ifdef FEAT_KEYMAP + short b_kmap_state; /* using "lmap" mappings */ +# define KEYMAP_INIT 1 /* 'keymap' was set, call keymap_init() */ +# define KEYMAP_LOADED 2 /* 'keymap' mappings have been loaded */ + garray_T b_kmap_ga; /* the keymap table */ +#endif + + /* + * Options local to a buffer. + * They are here because their value depends on the type of file + * or contents of the file being edited. + */ + int b_p_initialized; /* set when options initialized */ + + int b_p_ai; /* 'autoindent' */ + int b_p_ai_nopaste; /* b_p_ai saved for paste mode */ + int b_p_ci; /* 'copyindent' */ + int b_p_bin; /* 'binary' */ +#ifdef FEAT_MBYTE + int b_p_bomb; /* 'bomb' */ +#endif +#if defined(FEAT_QUICKFIX) + char_u *b_p_bh; /* 'bufhidden' */ + char_u *b_p_bt; /* 'buftype' */ +#endif + int b_p_bl; /* 'buflisted' */ +#ifdef FEAT_CINDENT + int b_p_cin; /* 'cindent' */ + char_u *b_p_cino; /* 'cinoptions' */ + char_u *b_p_cink; /* 'cinkeys' */ +#endif +#if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) + char_u *b_p_cinw; /* 'cinwords' */ +#endif +#ifdef FEAT_COMMENTS + char_u *b_p_com; /* 'comments' */ +#endif +#ifdef FEAT_FOLDING + char_u *b_p_cms; /* 'commentstring' */ +#endif +#ifdef FEAT_INS_EXPAND + char_u *b_p_cpt; /* 'complete' */ +#endif + int b_p_eol; /* 'endofline' */ + int b_p_et; /* 'expandtab' */ + int b_p_et_nobin; /* b_p_et saved for binary mode */ +#ifdef FEAT_MBYTE + char_u *b_p_fenc; /* 'fileencoding' */ +#endif + char_u *b_p_ff; /* 'fileformat' */ +#ifdef FEAT_AUTOCMD + char_u *b_p_ft; /* 'filetype' */ +#endif + char_u *b_p_fo; /* 'formatoptions' */ + int b_p_inf; /* 'infercase' */ + char_u *b_p_isk; /* 'iskeyword' */ +#ifdef FEAT_FIND_ID + char_u *b_p_def; /* 'define' local value */ + char_u *b_p_inc; /* 'include' */ +# ifdef FEAT_EVAL + char_u *b_p_inex; /* 'includeexpr' */ +# endif +#endif +#if defined(FEAT_CINDENT) && defined(FEAT_EVAL) + char_u *b_p_inde; /* 'indentexpr' */ + char_u *b_p_indk; /* 'indentkeys' */ +#endif +#ifdef FEAT_CRYPT + char_u *b_p_key; /* 'key' */ +#endif + char_u *b_p_kp; /* 'keywordprg' */ +#ifdef FEAT_LISP + int b_p_lisp; /* 'lisp' */ +#endif + char_u *b_p_mps; /* 'matchpairs' */ + int b_p_ml; /* 'modeline' */ + int b_p_ml_nobin; /* b_p_ml saved for binary mode */ + int b_p_ma; /* 'modifiable' */ + char_u *b_p_nf; /* 'nrformats' */ +#ifdef FEAT_OSFILETYPE + char_u *b_p_oft; /* 'osfiletype' */ +#endif + int b_p_pi; /* 'preserveindent' */ + int b_p_ro; /* 'readonly' */ + long b_p_sw; /* 'shiftwidth' */ +#ifndef SHORT_FNAME + int b_p_sn; /* 'shortname' */ +#endif +#ifdef FEAT_SMARTINDENT + int b_p_si; /* 'smartindent' */ +#endif + long b_p_sts; /* 'softtabstop' */ + long b_p_sts_nopaste; /* b_p_sts saved for paste mode */ +#ifdef FEAT_SEARCHPATH + char_u *b_p_sua; /* 'suffixesadd' */ +#endif + int b_p_swf; /* 'swapfile' */ +#ifdef FEAT_SYN_HL + char_u *b_p_syn; /* 'syntax' */ +#endif + long b_p_ts; /* 'tabstop' */ + int b_p_tx; /* 'textmode' */ + long b_p_tw; /* 'textwidth' */ + long b_p_tw_nobin; /* b_p_tw saved for binary mode */ + long b_p_tw_nopaste; /* b_p_tw saved for paste mode */ + long b_p_wm; /* 'wrapmargin' */ + long b_p_wm_nobin; /* b_p_wm saved for binary mode */ + long b_p_wm_nopaste; /* b_p_wm saved for paste mode */ +#ifdef FEAT_KEYMAP + char_u *b_p_keymap; /* 'keymap' */ +#endif + + /* local values for options which are normally global */ +#ifdef FEAT_QUICKFIX + char_u *b_p_gp; /* 'grepprg' local value */ + char_u *b_p_mp; /* 'makeprg' local value */ + char_u *b_p_efm; /* 'errorformat' local value */ +#endif + char_u *b_p_ep; /* 'equalprg' local value */ + char_u *b_p_path; /* 'path' local value */ + int b_p_ar; /* 'autoread' local value */ + char_u *b_p_tags; /* 'tags' local value */ +#ifdef FEAT_INS_EXPAND + char_u *b_p_dict; /* 'dictionary' local value */ + char_u *b_p_tsr; /* 'thesaurus' local value */ +#endif + + /* end of buffer options */ + + int b_start_eol; /* last line had eol when it was read */ + int b_start_ffc; /* first char of 'ff' when edit started */ +#ifdef FEAT_MBYTE + char_u *b_start_fenc; /* 'fileencoding' when edit started or NULL */ +#endif + +#ifdef FEAT_EVAL + garray_T b_vars; /* internal variables, local to buffer */ +#endif + + /* When a buffer is created, it starts without a swap file. b_may_swap is + * then set to indicate that a swap file may be opened later. It is reset + * if a swap file could not be opened. + */ + int b_may_swap; + int b_did_warn; /* Set to 1 if user has been warned on first + change of a read-only file */ + int b_help; /* buffer for help file (when set b_p_bt is + "help") */ + +#ifndef SHORT_FNAME + int b_shortname; /* this file has an 8.3 file name */ +#endif + +#ifdef FEAT_PERL + void *perl_private; +#endif + +#ifdef FEAT_PYTHON + void *python_ref; /* The Python value referring to this buffer */ +#endif + +#ifdef FEAT_TCL + void *tcl_ref; +#endif + +#ifdef FEAT_RUBY + void *ruby_ref; +#endif + +#ifdef FEAT_SYN_HL + keyentry_T **b_keywtab; /* syntax keywords hash table */ + keyentry_T **b_keywtab_ic; /* idem, ignore case */ + int b_syn_ic; /* ignore case for :syn cmds */ + garray_T b_syn_patterns; /* table for syntax patterns */ + garray_T b_syn_clusters; /* table for syntax clusters */ + int b_syn_containedin; /* TRUE when there is an item with a + "containedin" argument */ + int b_syn_sync_flags; /* flags about how to sync */ + short b_syn_sync_id; /* group to sync on */ + long b_syn_sync_minlines; /* minimal sync lines offset */ + long b_syn_sync_maxlines; /* maximal sync lines offset */ + long b_syn_sync_linebreaks; /* offset for multi-line pattern */ + char_u *b_syn_linecont_pat; /* line continuation pattern */ + regprog_T *b_syn_linecont_prog; /* line continuation program */ + int b_syn_linecont_ic; /* ignore-case flag for above */ + int b_syn_topgrp; /* for ":syntax include" */ +# ifdef FEAT_FOLDING + int b_syn_folditems; /* number of patterns with the HL_FOLD + flag set */ +# endif +/* + * b_sst_array[] contains the state stack for a number of lines, for the start + * of that line (col == 0). This avoids having to recompute the syntax state + * too often. + * b_sst_array[] is allocated to hold the state for all displayed lines, and + * states for 1 out of about 20 other lines. + * b_sst_array pointer to an array of synstate_T + * b_sst_len number of entries in b_sst_array[] + * b_sst_first pointer to first used entry in b_sst_array[] or NULL + * b_sst_firstfree pointer to first free entry in b_sst_array[] or NULL + * b_sst_freecount number of free entries in b_sst_array[] + * b_sst_check_lnum entries after this lnum need to be checked for + * validity (MAXLNUM means no check needed) + */ + synstate_T *b_sst_array; + int b_sst_len; + synstate_T *b_sst_first; + synstate_T *b_sst_firstfree; + int b_sst_freecount; + linenr_T b_sst_check_lnum; + short_u b_sst_lasttick; /* last display tick */ +#endif /* FEAT_SYN_HL */ + +#ifdef FEAT_SIGNS + signlist_T *b_signlist; /* list of signs to draw */ +#endif + +#ifdef FEAT_NETBEANS_INTG + int b_netbeans_file; /* TRUE when buffer is owned by NetBeans */ + int b_was_netbeans_file;/* TRUE if b_netbeans_file was once set */ +#endif + +}; + +/* + * Structure to cache info for displayed lines in w_lines[]. + * Each logical line has one entry. + * The entry tells how the logical line is currently displayed in the window. + * This is updated when displaying the window. + * When the display is changed (e.g., when clearing the screen) w_lines_valid + * is changed to exclude invalid entries. + * When making changes to the buffer, wl_valid is reset to indicate wl_size + * may not reflect what is actually in the buffer. When wl_valid is FALSE, + * the entries can only be used to count the number of displayed lines used. + * wl_lnum and wl_lastlnum are invalid too. + */ +typedef struct w_line +{ + linenr_T wl_lnum; /* buffer line number for logical line */ + short_u wl_size; /* height in screen lines */ + char wl_valid; /* TRUE values are valid for text in buffer */ +#ifdef FEAT_FOLDING + char wl_folded; /* TRUE when this is a range of folded lines */ + linenr_T wl_lastlnum; /* last buffer line number for logical line */ +#endif +} wline_T; + +/* + * Windows are kept in a tree of frames. Each frame has a column (FR_COL) + * or row (FR_ROW) layout or is a leaf, which has a window. + */ +struct frame +{ + char fr_layout; /* FR_LEAF, FR_COL or FR_ROW */ +#ifdef FEAT_VERTSPLIT + int fr_width; +#endif + int fr_height; + int fr_newheight; /* new height used in win_equal_rec() */ + frame_T *fr_parent; /* containing frame or NULL */ + frame_T *fr_next; /* frame right or below in same parent, NULL + for first */ + frame_T *fr_prev; /* frame left or above in same parent, NULL + for last */ + /* fr_child and fr_win are mutually exclusive */ + frame_T *fr_child; /* first contained frame */ + win_T *fr_win; /* window that fills this frame */ +}; + +#define FR_LEAF 0 /* frame is a leaf */ +#define FR_ROW 1 /* frame with a row of windows */ +#define FR_COL 2 /* frame with a column of windows */ + +/* + * Structure which contains all information that belongs to a window + * + * All row numbers are relative to the start of the window, except w_winrow. + */ +struct window +{ + buf_T *w_buffer; /* buffer we are a window into (used + often, keep it the first item!) */ + +#ifdef FEAT_WINDOWS + win_T *w_prev; /* link to previous window */ + win_T *w_next; /* link to next window */ +#endif + + frame_T *w_frame; /* frame containing this window */ + + pos_T w_cursor; /* cursor position in buffer */ + + colnr_T w_curswant; /* The column we'd like to be at. This is + used to try to stay in the same column + for up/down cursor motions. */ + + int w_set_curswant; /* If set, then update w_curswant the next + time through cursupdate() to the + current virtual column */ + +#ifdef FEAT_VISUAL + /* + * the next six are used to update the visual part + */ + char w_old_visual_mode; /* last known VIsual_mode */ + linenr_T w_old_cursor_lnum; /* last known end of visual part */ + colnr_T w_old_cursor_fcol; /* first column for block visual part */ + colnr_T w_old_cursor_lcol; /* last column for block visual part */ + linenr_T w_old_visual_lnum; /* last known start of visual part */ + colnr_T w_old_curswant; /* last known value of Curswant */ +#endif + + /* + * The next three specify the offsets for displaying the buffer: + */ + linenr_T w_topline; /* buffer line number of the line at the + top of the window */ +#ifdef FEAT_DIFF + int w_topfill; /* number of filler lines above w_topline */ + int w_old_topfill; /* w_topfill at last redraw */ + int w_botfill; /* TRUE when filler lines are actually + below w_topline (at end of file) */ + int w_old_botfill; /* w_botfill at last redraw */ +#endif + colnr_T w_leftcol; /* window column number of the left most + character in the window; used when + 'wrap' is off */ + colnr_T w_skipcol; /* starting column when a single line + doesn't fit in the window */ + + /* + * Layout of the window in the screen. + * May need to add "msg_scrolled" to "w_winrow" in rare situations. + */ +#ifdef FEAT_WINDOWS + int w_winrow; /* first row of window in screen */ +#endif + int w_height; /* number of rows in window, excluding + status/command line(s) */ +#ifdef FEAT_WINDOWS + int w_status_height; /* number of status lines (0 or 1) */ +#endif +#ifdef FEAT_VERTSPLIT + int w_wincol; /* Leftmost column of window in screen. + use W_WINCOL() */ + int w_width; /* Width of window, excluding separation. + use W_WIDTH() */ + int w_vsep_width; /* Number of separator columns (0 or 1). + use W_VSEP_WIDTH() */ +#endif + + /* + * === start of cached values ==== + */ + /* + * Recomputing is minimized by storing the result of computations. + * Use functions in screen.c to check if they are valid and to update. + * w_valid is a bitfield of flags, which indicate if specific values are + * valid or need to be recomputed. See screen.c for values. + */ + int w_valid; + pos_T w_valid_cursor; /* last known position of w_cursor, used + to adjust w_valid */ + colnr_T w_valid_leftcol; /* last known w_leftcol */ + + /* + * w_cline_height is the number of physical lines taken by the buffer line + * that the cursor is on. We use this to avoid extra calls to plines(). + */ + int w_cline_height; /* current size of cursor line */ +#ifdef FEAT_FOLDING + int w_cline_folded; /* cursor line is folded */ +#endif + + int w_cline_row; /* starting row of the cursor line */ + + colnr_T w_virtcol; /* column number of the cursor in the + buffer line, as opposed to the column + number we're at on the screen. This + makes a difference on lines which span + more than one screen line or when + w_leftcol is non-zero */ + + /* + * w_wrow and w_wcol specify the cursor position in the window. + * This is related to positions in the window, not in the display or + * buffer, thus w_wrow is relative to w_winrow. + */ + int w_wrow, w_wcol; /* cursor position in window */ + + linenr_T w_botline; /* number of the line below the bottom of + the screen */ + int w_empty_rows; /* number of ~ rows in window */ +#ifdef FEAT_DIFF + int w_filler_rows; /* number of filler rows at the end of the + window */ +#endif + + /* + * Info about the lines currently in the window is remembered to avoid + * recomputing it every time. The allocated size of w_lines[] is Rows. + * Only the w_lines_valid entries are actually valid. + * When the display is up-to-date w_lines[0].wl_lnum is equal to w_topline + * and w_lines[w_lines_valid - 1].wl_lnum is equal to w_botline. + * Between changing text and updating the display w_lines[] represents + * what is currently displayed. wl_valid is reset to indicated this. + * This is used for efficient redrawing. + */ + int w_lines_valid; /* number of valid entries */ + wline_T *w_lines; + +#ifdef FEAT_FOLDING + garray_T w_folds; /* array of nested folds */ + char w_fold_manual; /* when TRUE: some folds are opened/closed + manually */ + char w_foldinvalid; /* when TRUE: folding needs to be + recomputed */ +#endif + + /* + * === end of cached values === + */ + + int w_redr_type; /* type of redraw to be performed on win */ + int w_upd_rows; /* number of window lines to update when + w_redr_type is REDRAW_TOP */ + linenr_T w_redraw_top; /* when != 0: first line needing redraw */ + linenr_T w_redraw_bot; /* when != 0: last line needing redraw */ +#ifdef FEAT_WINDOWS + int w_redr_status; /* if TRUE status line must be redrawn */ +#endif + +#ifdef FEAT_CMDL_INFO + /* remember what is shown in the ruler for this window (if 'ruler' set) */ + pos_T w_ru_cursor; /* cursor position shown in ruler */ + colnr_T w_ru_virtcol; /* virtcol shown in ruler */ + linenr_T w_ru_topline; /* topline shown in ruler */ + linenr_T w_ru_line_count; /* line count used for ruler */ +# ifdef FEAT_DIFF + int w_ru_topfill; /* topfill shown in ruler */ +# endif + char w_ru_empty; /* TRUE if ruler shows 0-1 (empty line) */ +#endif + + int w_alt_fnum; /* alternate file (for # and CTRL-^) */ + +#ifdef FEAT_WINDOWS + alist_T *w_alist; /* pointer to arglist for this window */ +#endif + int w_arg_idx; /* current index in argument list (can be + out of range!) */ + int w_arg_idx_invalid; /* editing another file than w_arg_idx */ + + char_u *w_localdir; /* absolute path of local directory or + NULL */ + /* + * Options local to a window. + * They are local because they influence the layout of the window or + * depend on the window layout. + * There are two values: w_onebuf_opt is local to the buffer currently in + * this window, w_allbuf_opt is for all buffers in this window. + */ + winopt_T w_onebuf_opt; + winopt_T w_allbuf_opt; + + /* transform a pointer to a "onebuf" option into a "allbuf" option */ +#define GLOBAL_WO(p) ((char *)p + sizeof(winopt_T)) + +#ifdef FEAT_SCROLLBIND + long w_scbind_pos; +#endif + +#ifdef FEAT_EVAL + garray_T w_vars; /* internal variables, local to window */ +#endif + +#if defined(FEAT_RIGHTLEFT) && defined(FEAT_FKMAP) + int w_farsi; /* for the window dependent Farsi functions */ +#endif + + /* + * The w_prev_pcmark field is used to check whether we really did jump to + * a new line after setting the w_pcmark. If not, then we revert to + * using the previous w_pcmark. + */ + pos_T w_pcmark; /* previous context mark */ + pos_T w_prev_pcmark; /* previous w_pcmark */ + +#ifdef FEAT_JUMPLIST + /* + * the jumplist contains old cursor positions + */ + xfmark_T w_jumplist[JUMPLISTSIZE]; + int w_jumplistlen; /* number of active entries */ + int w_jumplistidx; /* current position */ + + int w_changelistidx; /* current position in b_changelist */ +#endif + +#ifdef FEAT_SEARCH_EXTRA + regmmatch_T w_match; /* regexp program for ":match" */ + int w_match_id; /* highlight ID for ":match" */ +#endif + + /* + * the tagstack grows from 0 upwards: + * entry 0: older + * entry 1: newer + * entry 2: newest + */ + taggy_T w_tagstack[TAGSTACKSIZE]; /* the tag stack */ + int w_tagstackidx; /* idx just below activ entry */ + int w_tagstacklen; /* number of tags on stack */ + + /* + * w_fraction is the fractional row of the cursor within the window, from + * 0 at the top row to FRACTION_MULT at the last row. + * w_prev_fraction_row was the actual cursor row when w_fraction was last + * calculated. + */ + int w_fraction; + int w_prev_fraction_row; + +#ifdef FEAT_GUI + scrollbar_T w_scrollbars[2]; /* vert. Scrollbars for this window */ +#endif + +#ifdef FEAT_PERL + void *perl_private; +#endif + +#ifdef FEAT_PYTHON + void *python_ref; /* The Python value referring to this + window */ +#endif + +#ifdef FEAT_TCL + void *tcl_ref; +#endif + +#ifdef FEAT_RUBY + void *ruby_ref; +#endif +}; + +/* + * Arguments for operators. + */ +typedef struct oparg +{ + int op_type; /* current pending operator type */ + int regname; /* register to use for the operator */ + int motion_type; /* type of the current cursor motion */ + int motion_force; /* force motion type: 'v', 'V' or CTRL-V */ + int use_reg_one; /* TRUE if delete uses reg 1 even when not + linewise */ + int inclusive; /* TRUE if char motion is inclusive (only + valid when motion_type is MCHAR */ + int end_adjusted; /* backuped b_op_end one char (only used by + do_format()) */ + pos_T start; /* start of the operator */ + pos_T end; /* end of the operator */ + pos_T cursor_start; /* cursor position before motion for "gw" */ + + long line_count; /* number of lines from op_start to op_end + (inclusive) */ + int empty; /* op_start and op_end the same (only used by + do_change()) */ +#ifdef FEAT_VISUAL + int is_VIsual; /* operator on Visual area */ + int block_mode; /* current operator is Visual block mode */ +#endif + colnr_T start_vcol; /* start col for block mode operator */ + colnr_T end_vcol; /* end col for block mode operator */ +} oparg_T; + +/* + * Arguments for Normal mode commands. + */ +typedef struct cmdarg +{ + oparg_T *oap; /* Operator arguments */ + int prechar; /* prefix character (optional, always 'g') */ + int cmdchar; /* command character */ + int nchar; /* next command character (optional) */ +#ifdef FEAT_MBYTE + int ncharC1; /* first composing character (optional) */ + int ncharC2; /* second composing character (optional) */ +#endif + int extra_char; /* yet another character (optional) */ + long opcount; /* count before an operator */ + long count0; /* count before command, default 0 */ + long count1; /* count before command, default 1 */ + int arg; /* extra argument from nv_cmds[] */ + int retval; /* return: CA_* values */ + char_u *searchbuf; /* return: pointer to search pattern or NULL */ +} cmdarg_T; + +/* values for retval: */ +#define CA_COMMAND_BUSY 1 /* skip restarting edit() once */ +#define CA_NO_ADJ_OP_END 2 /* don't adjust operator end */ + +#ifdef CURSOR_SHAPE +/* + * struct to store values from 'guicursor' and 'mouseshape' + */ +/* Indexes in shape_table[] */ +#define SHAPE_IDX_N 0 /* Normal mode */ +#define SHAPE_IDX_V 1 /* Visual mode */ +#define SHAPE_IDX_I 2 /* Insert mode */ +#define SHAPE_IDX_R 3 /* Replace mode */ +#define SHAPE_IDX_C 4 /* Command line Normal mode */ +#define SHAPE_IDX_CI 5 /* Command line Insert mode */ +#define SHAPE_IDX_CR 6 /* Command line Replace mode */ +#define SHAPE_IDX_O 7 /* Operator-pending mode */ +#define SHAPE_IDX_VE 8 /* Visual mode with 'seleciton' exclusive */ +#define SHAPE_IDX_CLINE 9 /* On command line */ +#define SHAPE_IDX_STATUS 10 /* A status line */ +#define SHAPE_IDX_SDRAG 11 /* dragging a status line */ +#define SHAPE_IDX_VSEP 12 /* A vertical separator line */ +#define SHAPE_IDX_VDRAG 13 /* dragging a vertical separator line */ +#define SHAPE_IDX_MORE 14 /* Hit-return or More */ +#define SHAPE_IDX_MOREL 15 /* Hit-return or More in last line */ +#define SHAPE_IDX_SM 16 /* showing matching paren */ +#define SHAPE_IDX_COUNT 17 + +#define SHAPE_BLOCK 0 /* block cursor */ +#define SHAPE_HOR 1 /* horizontal bar cursor */ +#define SHAPE_VER 2 /* vertical bar cursor */ + +#define MSHAPE_NUMBERED 1000 /* offset for shapes identified by number */ +#define MSHAPE_HIDE 1 /* hide mouse pointer */ + +#define SHAPE_MOUSE 1 /* used for mouse pointer shape */ +#define SHAPE_CURSOR 2 /* used for text cursor shape */ + +typedef struct cursor_entry +{ + int shape; /* one of the SHAPE_ defines */ + int mshape; /* one of the MSHAPE defines */ + int percentage; /* percentage of cell for bar */ + long blinkwait; /* blinking, wait time before blinking starts */ + long blinkon; /* blinking, on time */ + long blinkoff; /* blinking, off time */ + int id; /* highlight group ID */ + int id_lm; /* highlight group ID for :lmap mode */ + char *name; /* mode name (fixed) */ + char used_for; /* SHAPE_MOUSE and/or SHAPE_CURSOR */ +} cursorentry_T; +#endif /* CURSOR_SHAPE */ + +#ifdef FEAT_MENU + +/* Indices into vimmenu_T->strings[] and vimmenu_T->noremap[] for each mode */ +#define MENU_INDEX_INVALID -1 +#define MENU_INDEX_NORMAL 0 +#define MENU_INDEX_VISUAL 1 +#define MENU_INDEX_OP_PENDING 2 +#define MENU_INDEX_INSERT 3 +#define MENU_INDEX_CMDLINE 4 +#define MENU_INDEX_TIP 5 +#define MENU_MODES 6 + +/* Menu modes */ +#define MENU_NORMAL_MODE (1 << MENU_INDEX_NORMAL) +#define MENU_VISUAL_MODE (1 << MENU_INDEX_VISUAL) +#define MENU_OP_PENDING_MODE (1 << MENU_INDEX_OP_PENDING) +#define MENU_INSERT_MODE (1 << MENU_INDEX_INSERT) +#define MENU_CMDLINE_MODE (1 << MENU_INDEX_CMDLINE) +#define MENU_TIP_MODE (1 << MENU_INDEX_TIP) +#define MENU_ALL_MODES ((1 << MENU_INDEX_TIP) - 1) +/*note MENU_INDEX_TIP is not a 'real' mode*/ + +/* Start a menu name with this to not include it on the main menu bar */ +#define MNU_HIDDEN_CHAR ']' + +typedef struct VimMenu vimmenu_T; + +struct VimMenu +{ + int modes; /* Which modes is this menu visible for? */ + int enabled; /* for which modes the menu is enabled */ + char_u *name; /* Name of menu */ + char_u *dname; /* Displayed Name (without '&') */ + int mnemonic; /* mnemonic key (after '&') */ + char_u *actext; /* accelerator text (after TAB) */ + int priority; /* Menu order priority */ +#ifdef FEAT_GUI + void (*cb)(); /* Call-back routine */ +#endif +#ifdef FEAT_TOOLBAR + char_u *iconfile; /* name of file for icon or NULL */ + int iconidx; /* icon index (-1 if not set) */ + int icon_builtin; /* icon names is BuiltIn{nr} */ +#endif + char_u *strings[MENU_MODES]; /* Mapped string for each mode */ + int noremap[MENU_MODES]; /* A REMAP_ flag for each mode */ + char silent[MENU_MODES]; /* A silent flag for each mode */ + vimmenu_T *children; /* Children of sub-menu */ + vimmenu_T *parent; /* Parent of menu */ + vimmenu_T *next; /* Next item in menu */ +#ifdef FEAT_GUI_X11 + Widget id; /* Manage this to enable item */ + Widget submenu_id; /* If this is submenu, add children here */ +#endif +#ifdef FEAT_GUI_GTK + GtkWidget *id; /* Manage this to enable item */ + GtkWidget *submenu_id; /* If this is submenu, add children here */ + GtkWidget *tearoff_handle; + GtkWidget *label; /* Used by "set wak=" code. */ +#endif +#ifdef FEAT_GUI_MOTIF + int sensitive; /* turn button on/off */ +#endif +#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MOTIF) + Pixmap image; /* Toolbar image */ +#endif +#ifdef FEAT_GUI_MOTIF + Pixmap image_ins; /* Toolbar image insensitive */ +#endif +#ifdef FEAT_BEVAL_TIP + BalloonEval *tip; /* tooltip for this menu item */ +#endif +#ifdef FEAT_GUI_W16 + UINT id; /* Id of menu item */ + HMENU submenu_id; /* If this is submenu, add children here */ +#endif +#ifdef FEAT_GUI_W32 + UINT id; /* Id of menu item */ + HMENU submenu_id; /* If this is submenu, add children here */ + HWND tearoff_handle; /* hWnd of tearoff if created */ +#endif +#if FEAT_GUI_BEOS + BMenuItem *id; /* Id of menu item */ + BMenu *submenu_id; /* If this is submenu, add children here */ +#endif +#ifdef FEAT_GUI_MAC +/* MenuHandle id; */ +/* short index; */ /* the item index within the father menu */ + short menu_id; /* the menu id to which this item belong */ + short submenu_id; /* the menu id of the children (could be + get throught some tricks) */ + MenuHandle menu_handle; + MenuHandle submenu_handle; +#endif +#if defined(FEAT_GUI_AMIGA) + /* only one of these will ever be set, but + * they are used to allow the menu routine + * to easily get a hold of the parent menu + * pointer which is needed by all items to + * form the chain correctly */ + int id; /* unused by the amiga, but used in the + * code kept for compatibility */ + struct Menu *menuPtr; + struct MenuItem *menuItemPtr; +#endif +#ifdef RISCOS + int *id; /* Not used, but gui.c needs it */ + int greyed_out; /* Flag */ + int hidden; +#endif +#ifdef FEAT_GUI_PHOTON + PtWidget_t *id; + PtWidget_t *submenu_id; +#endif +}; +#else +/* For generating prototypes when FEAT_MENU isn't defined. */ +typedef int vimmenu_T; + +#endif /* FEAT_MENU */ + +/* + * Struct to save values in before executing autocommands for a buffer that is + * not the current buffer. + */ +typedef struct +{ + buf_T *save_buf; /* saved curbuf */ + buf_T *new_curbuf; /* buffer to be used */ + win_T *save_curwin; /* saved curwin, NULL if it didn't change */ + win_T *new_curwin; /* new curwin if save_curwin != NULL */ + pos_T save_cursor; /* saved cursor pos of save_curwin */ + linenr_T save_topline; /* saved topline of save_curwin */ +#ifdef FEAT_DIFF + int save_topfill; /* saved topfill of save_curwin */ +#endif +} aco_save_T; + +/* + * Generic option table item, only used for printer at the moment. + */ +typedef struct +{ + const char *name; + int hasnum; + long number; + char_u *string; /* points into option string */ + int strlen; + int present; +} option_table_T; + +/* + * Structure to hold printing color and font attributes. + */ +typedef struct +{ + long_u fg_color; + long_u bg_color; + int bold; + int italic; + int underline; +} prt_text_attr_T; + +/* + * Structure passed back to the generic printer code. + */ +typedef struct +{ + int n_collated_copies; + int n_uncollated_copies; + int duplex; + int chars_per_line; + int lines_per_page; + int has_color; + prt_text_attr_T number; +#ifdef FEAT_SYN_HL + int modec; + int do_syntax; +#endif + int user_abort; + char_u *jobname; +#ifdef FEAT_POSTSCRIPT + char_u *outfile; + char_u *arguments; +#endif +} prt_settings_T; + +#define PRINT_NUMBER_WIDTH 8 |