1 /* vi:set ts=8 sts=4 sw=4: 2 * 3 * VIM - Vi IMproved by Bram Moolenaar 4 * 5 * Do ":help uganda" in Vim to read copying and usage conditions. 6 * Do ":help credits" in Vim to see a list of people who contributed. 7 */ 8 9 /* 10 * This file contains various definitions of structures that are used by Vim 11 */ 12 13 /* 14 * There is something wrong in the SAS compiler that makes typedefs not 15 * valid in include files. Has been fixed in version 6.58. 16 */ 17 #if defined(SASC) && SASC < 658 18 typedef long linenr_T; 19 typedef unsigned colnr_T; 20 typedef unsigned short short_u; 21 #endif 22 23 /* 24 * position in file or buffer 25 */ 26 typedef struct 27 { 28 linenr_T lnum; /* line number */ 29 colnr_T col; /* column number */ 30 #ifdef FEAT_VIRTUALEDIT 31 colnr_T coladd; 32 #endif 33 } pos_T; 34 35 #ifdef FEAT_VIRTUALEDIT 36 # define INIT_POS_T {0, 0, 0} 37 #else 38 # define INIT_POS_T {0, 0} 39 #endif 40 41 /* 42 * Same, but without coladd. 43 */ 44 typedef struct 45 { 46 linenr_T lnum; /* line number */ 47 colnr_T col; /* column number */ 48 } lpos_T; 49 50 /* 51 * Structure used for growing arrays. 52 * This is used to store information that only grows, is deleted all at 53 * once, and needs to be accessed by index. See ga_clear() and ga_grow(). 54 */ 55 typedef struct growarray 56 { 57 int ga_len; /* current number of items used */ 58 int ga_maxlen; /* maximum number of items possible */ 59 int ga_itemsize; /* sizeof(item) */ 60 int ga_growsize; /* number of items to grow each time */ 61 void *ga_data; /* pointer to the first item */ 62 } garray_T; 63 64 #define GA_EMPTY {0, 0, 0, 0, NULL} 65 66 /* 67 * This is here because regexp.h needs pos_T and below regprog_T is used. 68 */ 69 #include "regexp.h" 70 71 typedef struct window_S win_T; 72 typedef struct wininfo_S wininfo_T; 73 typedef struct frame_S frame_T; 74 typedef int scid_T; /* script ID */ 75 76 /* 77 * This is here because gui.h needs the pos_T and win_T, and win_T needs gui.h 78 * for scrollbar_T. 79 */ 80 #ifdef FEAT_GUI 81 # include "gui.h" 82 #else 83 # ifdef FEAT_XCLIPBOARD 84 # include <X11/Intrinsic.h> 85 # endif 86 # define guicolor_T int /* avoid error in prototypes */ 87 #endif 88 89 /* 90 * marks: positions in a file 91 * (a normal mark is a lnum/col pair, the same as a file position) 92 */ 93 94 /* (Note: for EBCDIC there are more than 26, because there are gaps in the 95 * alphabet coding. To minimize changes to the code, I decided to just 96 * increase the number of possible marks. */ 97 #define NMARKS ('z' - 'a' + 1) /* max. # of named marks */ 98 #define JUMPLISTSIZE 100 /* max. # of marks in jump list */ 99 #define TAGSTACKSIZE 20 /* max. # of tags in tag stack */ 100 101 typedef struct filemark 102 { 103 pos_T mark; /* cursor position */ 104 int fnum; /* file number */ 105 } fmark_T; 106 107 /* Xtended file mark: also has a file name */ 108 typedef struct xfilemark 109 { 110 fmark_T fmark; 111 char_u *fname; /* file name, used when fnum == 0 */ 112 } xfmark_T; 113 114 /* 115 * The taggy struct is used to store the information about a :tag command. 116 */ 117 typedef struct taggy 118 { 119 char_u *tagname; /* tag name */ 120 fmark_T fmark; /* cursor position BEFORE ":tag" */ 121 int cur_match; /* match number */ 122 int cur_fnum; /* buffer number used for cur_match */ 123 } taggy_T; 124 125 /* 126 * Structure that contains all options that are local to a window. 127 * Used twice in a window: for the current buffer and for all buffers. 128 * Also used in wininfo_T. 129 */ 130 typedef struct 131 { 132 #ifdef FEAT_ARABIC 133 int wo_arab; 134 # define w_p_arab w_onebuf_opt.wo_arab /* 'arabic' */ 135 #endif 136 #ifdef FEAT_DIFF 137 int wo_diff; 138 # define w_p_diff w_onebuf_opt.wo_diff /* 'diff' */ 139 #endif 140 #ifdef FEAT_FOLDING 141 long wo_fdc; 142 # define w_p_fdc w_onebuf_opt.wo_fdc /* 'foldcolumn' */ 143 int wo_fen; 144 # define w_p_fen w_onebuf_opt.wo_fen /* 'foldenable' */ 145 char_u *wo_fdi; 146 # define w_p_fdi w_onebuf_opt.wo_fdi /* 'foldignore' */ 147 long wo_fdl; 148 # define w_p_fdl w_onebuf_opt.wo_fdl /* 'foldlevel' */ 149 char_u *wo_fdm; 150 # define w_p_fdm w_onebuf_opt.wo_fdm /* 'foldmethod' */ 151 long wo_fml; 152 # define w_p_fml w_onebuf_opt.wo_fml /* 'foldminlines' */ 153 long wo_fdn; 154 # define w_p_fdn w_onebuf_opt.wo_fdn /* 'foldnestmax' */ 155 # ifdef FEAT_EVAL 156 char_u *wo_fde; 157 # define w_p_fde w_onebuf_opt.wo_fde /* 'foldexpr' */ 158 char_u *wo_fdt; 159 # define w_p_fdt w_onebuf_opt.wo_fdt /* 'foldtext' */ 160 # endif 161 char_u *wo_fmr; 162 # define w_p_fmr w_onebuf_opt.wo_fmr /* 'foldmarker' */ 163 #endif 164 #ifdef FEAT_LINEBREAK 165 int wo_lbr; 166 # define w_p_lbr w_onebuf_opt.wo_lbr /* 'linebreak' */ 167 #endif 168 int wo_list; 169 #define w_p_list w_onebuf_opt.wo_list /* 'list' */ 170 int wo_nu; 171 #define w_p_nu w_onebuf_opt.wo_nu /* 'number' */ 172 #ifdef FEAT_LINEBREAK 173 long wo_nuw; 174 # define w_p_nuw w_onebuf_opt.wo_nuw /* 'numberwidth' */ 175 #endif 176 #if defined(FEAT_WINDOWS) 177 int wo_wfh; 178 # define w_p_wfh w_onebuf_opt.wo_wfh /* 'winfixheight' */ 179 int wo_wfw; 180 # define w_p_wfw w_onebuf_opt.wo_wfw /* 'winfixwidth' */ 181 #endif 182 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 183 int wo_pvw; 184 # define w_p_pvw w_onebuf_opt.wo_pvw /* 'previewwindow' */ 185 #endif 186 #ifdef FEAT_RIGHTLEFT 187 int wo_rl; 188 # define w_p_rl w_onebuf_opt.wo_rl /* 'rightleft' */ 189 char_u *wo_rlc; 190 # define w_p_rlc w_onebuf_opt.wo_rlc /* 'rightleftcmd' */ 191 #endif 192 long wo_scr; 193 #define w_p_scr w_onebuf_opt.wo_scr /* 'scroll' */ 194 #ifdef FEAT_SPELL 195 int wo_spell; 196 # define w_p_spell w_onebuf_opt.wo_spell /* 'spell' */ 197 #endif 198 #ifdef FEAT_SYN_HL 199 int wo_cuc; 200 # define w_p_cuc w_onebuf_opt.wo_cuc /* 'cursorcolumn' */ 201 int wo_cul; 202 # define w_p_cul w_onebuf_opt.wo_cul /* 'cursorline' */ 203 #endif 204 #ifdef FEAT_STL_OPT 205 char_u *wo_stl; 206 #define w_p_stl w_onebuf_opt.wo_stl /* 'statusline' */ 207 #endif 208 #ifdef FEAT_SCROLLBIND 209 int wo_scb; 210 # define w_p_scb w_onebuf_opt.wo_scb /* 'scrollbind' */ 211 #endif 212 int wo_wrap; 213 #define w_p_wrap w_onebuf_opt.wo_wrap /* 'wrap' */ 214 215 #ifdef FEAT_EVAL 216 int wo_scriptID[WV_COUNT]; /* SIDs for window-local options */ 217 # define w_p_scriptID w_onebuf_opt.wo_scriptID 218 #endif 219 } winopt_T; 220 221 /* 222 * Window info stored with a buffer. 223 * 224 * Two types of info are kept for a buffer which are associated with a 225 * specific window: 226 * 1. Each window can have a different line number associated with a buffer. 227 * 2. The window-local options for a buffer work in a similar way. 228 * The window-info is kept in a list at b_wininfo. It is kept in 229 * most-recently-used order. 230 */ 231 struct wininfo_S 232 { 233 wininfo_T *wi_next; /* next entry or NULL for last entry */ 234 wininfo_T *wi_prev; /* previous entry or NULL for first entry */ 235 win_T *wi_win; /* pointer to window that did set wi_lnum */ 236 pos_T wi_fpos; /* last cursor position in the file */ 237 int wi_optset; /* TRUE when wi_opt has useful values */ 238 winopt_T wi_opt; /* local window options */ 239 #ifdef FEAT_FOLDING 240 int wi_fold_manual; /* copy of w_fold_manual */ 241 garray_T wi_folds; /* clone of w_folds */ 242 #endif 243 }; 244 245 /* 246 * Info used to pass info about a fold from the fold-detection code to the 247 * code that displays the foldcolumn. 248 */ 249 typedef struct foldinfo 250 { 251 int fi_level; /* level of the fold; when this is zero the 252 other fields are invalid */ 253 int fi_lnum; /* line number where fold starts */ 254 int fi_low_level; /* lowest fold level that starts in the same 255 line */ 256 } foldinfo_T; 257 258 /* Structure to store info about the Visual area. */ 259 typedef struct 260 { 261 pos_T vi_start; /* start pos of last VIsual */ 262 pos_T vi_end; /* end position of last VIsual */ 263 int vi_mode; /* VIsual_mode of last VIsual */ 264 colnr_T vi_curswant; /* MAXCOL from w_curswant */ 265 } visualinfo_T; 266 267 /* 268 * structures used for undo 269 */ 270 271 typedef struct u_entry u_entry_T; 272 typedef struct u_header u_header_T; 273 struct u_entry 274 { 275 u_entry_T *ue_next; /* pointer to next entry in list */ 276 linenr_T ue_top; /* number of line above undo block */ 277 linenr_T ue_bot; /* number of line below undo block */ 278 linenr_T ue_lcount; /* linecount when u_save called */ 279 char_u **ue_array; /* array of lines in undo block */ 280 long ue_size; /* number of lines in ue_array */ 281 #ifdef U_DEBUG 282 int ue_magic; /* magic number to check allocation */ 283 #endif 284 }; 285 286 struct u_header 287 { 288 u_header_T *uh_next; /* pointer to next undo header in list */ 289 u_header_T *uh_prev; /* pointer to previous header in list */ 290 u_header_T *uh_alt_next; /* pointer to next header for alt. redo */ 291 u_header_T *uh_alt_prev; /* pointer to previous header for alt. redo */ 292 long uh_seq; /* sequence number, higher == newer undo */ 293 int uh_walk; /* used by undo_time() */ 294 u_entry_T *uh_entry; /* pointer to first entry */ 295 u_entry_T *uh_getbot_entry; /* pointer to where ue_bot must be set */ 296 pos_T uh_cursor; /* cursor position before saving */ 297 #ifdef FEAT_VIRTUALEDIT 298 long uh_cursor_vcol; 299 #endif 300 int uh_flags; /* see below */ 301 pos_T uh_namedm[NMARKS]; /* marks before undo/after redo */ 302 #ifdef FEAT_VISUAL 303 visualinfo_T uh_visual; /* Visual areas before undo/after redo */ 304 #endif 305 time_t uh_time; /* timestamp when the change was made */ 306 #ifdef U_DEBUG 307 int uh_magic; /* magic number to check allocation */ 308 #endif 309 }; 310 311 /* values for uh_flags */ 312 #define UH_CHANGED 0x01 /* b_changed flag before undo/after redo */ 313 #define UH_EMPTYBUF 0x02 /* buffer was empty */ 314 315 /* 316 * structures used in undo.c 317 */ 318 #if SIZEOF_INT > 2 319 # define ALIGN_LONG /* longword alignment and use filler byte */ 320 # define ALIGN_SIZE (sizeof(long)) 321 #else 322 # define ALIGN_SIZE (sizeof(short)) 323 #endif 324 325 #define ALIGN_MASK (ALIGN_SIZE - 1) 326 327 typedef struct m_info minfo_T; 328 329 /* 330 * stucture used to link chunks in one of the free chunk lists. 331 */ 332 struct m_info 333 { 334 #ifdef ALIGN_LONG 335 long_u m_size; /* size of the chunk (including m_info) */ 336 #else 337 short_u m_size; /* size of the chunk (including m_info) */ 338 #endif 339 minfo_T *m_next; /* pointer to next free chunk in the list */ 340 }; 341 342 /* 343 * structure used to link blocks in the list of allocated blocks. 344 */ 345 typedef struct m_block mblock_T; 346 struct m_block 347 { 348 mblock_T *mb_next; /* pointer to next allocated block */ 349 size_t mb_size; /* total size of all chunks in this block */ 350 size_t mb_maxsize; /* size of largest fee chunk */ 351 minfo_T mb_info; /* head of free chunk list for this block */ 352 }; 353 354 /* 355 * things used in memfile.c 356 */ 357 358 typedef struct block_hdr bhdr_T; 359 typedef struct memfile memfile_T; 360 typedef long blocknr_T; 361 362 /* 363 * for each (previously) used block in the memfile there is one block header. 364 * 365 * The block may be linked in the used list OR in the free list. 366 * The used blocks are also kept in hash lists. 367 * 368 * The used list is a doubly linked list, most recently used block first. 369 * The blocks in the used list have a block of memory allocated. 370 * mf_used_count is the number of pages in the used list. 371 * The hash lists are used to quickly find a block in the used list. 372 * The free list is a single linked list, not sorted. 373 * The blocks in the free list have no block of memory allocated and 374 * the contents of the block in the file (if any) is irrelevant. 375 */ 376 377 struct block_hdr 378 { 379 bhdr_T *bh_next; /* next block_hdr in free or used list */ 380 bhdr_T *bh_prev; /* previous block_hdr in used list */ 381 bhdr_T *bh_hash_next; /* next block_hdr in hash list */ 382 bhdr_T *bh_hash_prev; /* previous block_hdr in hash list */ 383 blocknr_T bh_bnum; /* block number */ 384 char_u *bh_data; /* pointer to memory (for used block) */ 385 int bh_page_count; /* number of pages in this block */ 386 387 #define BH_DIRTY 1 388 #define BH_LOCKED 2 389 char bh_flags; /* BH_DIRTY or BH_LOCKED */ 390 }; 391 392 /* 393 * when a block with a negative number is flushed to the file, it gets 394 * a positive number. Because the reference to the block is still the negative 395 * number, we remember the translation to the new positive number in the 396 * double linked trans lists. The structure is the same as the hash lists. 397 */ 398 typedef struct nr_trans NR_TRANS; 399 400 struct nr_trans 401 { 402 NR_TRANS *nt_next; /* next nr_trans in hash list */ 403 NR_TRANS *nt_prev; /* previous nr_trans in hash list */ 404 blocknr_T nt_old_bnum; /* old, negative, number */ 405 blocknr_T nt_new_bnum; /* new, positive, number */ 406 }; 407 408 /* 409 * structure used to store one block of the stuff/redo/recording buffers 410 */ 411 struct buffblock 412 { 413 struct buffblock *b_next; /* pointer to next buffblock */ 414 char_u b_str[1]; /* contents (actually longer) */ 415 }; 416 417 /* 418 * header used for the stuff buffer and the redo buffer 419 */ 420 struct buffheader 421 { 422 struct buffblock bh_first; /* first (dummy) block of list */ 423 struct buffblock *bh_curr; /* buffblock for appending */ 424 int bh_index; /* index for reading */ 425 int bh_space; /* space in bh_curr for appending */ 426 }; 427 428 /* 429 * used for completion on the command line 430 */ 431 typedef struct expand 432 { 433 int xp_context; /* type of expansion */ 434 char_u *xp_pattern; /* start of item to expand */ 435 #if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) 436 char_u *xp_arg; /* completion function */ 437 int xp_scriptID; /* SID for completion function */ 438 #endif 439 int xp_backslash; /* one of the XP_BS_ values */ 440 #ifndef BACKSLASH_IN_FILENAME 441 int xp_shell; /* for a shell command more characters 442 need to be escaped */ 443 #endif 444 int xp_numfiles; /* number of files found by 445 file name completion */ 446 char_u **xp_files; /* list of files */ 447 } expand_T; 448 449 /* values for xp_backslash */ 450 #define XP_BS_NONE 0 /* nothing special for backslashes */ 451 #define XP_BS_ONE 1 /* uses one backslash before a space */ 452 #define XP_BS_THREE 2 /* uses three backslashes before a space */ 453 454 /* 455 * Command modifiers ":vertical", ":browse", ":confirm" and ":hide" set a flag. 456 * This needs to be saved for recursive commands, put them in a structure for 457 * easy manipulation. 458 */ 459 typedef struct 460 { 461 int hide; /* TRUE when ":hide" was used */ 462 # ifdef FEAT_BROWSE 463 int browse; /* TRUE to invoke file dialog */ 464 # endif 465 # ifdef FEAT_WINDOWS 466 int split; /* flags for win_split() */ 467 int tab; /* > 0 when ":tab" was used */ 468 # endif 469 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 470 int confirm; /* TRUE to invoke yes/no dialog */ 471 # endif 472 int keepalt; /* TRUE when ":keepalt" was used */ 473 int keepmarks; /* TRUE when ":keepmarks" was used */ 474 int keepjumps; /* TRUE when ":keepjumps" was used */ 475 int lockmarks; /* TRUE when ":lockmarks" was used */ 476 # ifdef FEAT_AUTOCMD 477 char_u *save_ei; /* saved value of 'eventignore' */ 478 # endif 479 } cmdmod_T; 480 481 /* 482 * Simplistic hashing scheme to quickly locate the blocks in the used list. 483 * 64 blocks are found directly (64 * 4K = 256K, most files are smaller). 484 */ 485 #define MEMHASHSIZE 64 486 #define MEMHASH(nr) ((nr) & (MEMHASHSIZE - 1)) 487 488 struct memfile 489 { 490 char_u *mf_fname; /* name of the file */ 491 char_u *mf_ffname; /* idem, full path */ 492 int mf_fd; /* file descriptor */ 493 bhdr_T *mf_free_first; /* first block_hdr in free list */ 494 bhdr_T *mf_used_first; /* mru block_hdr in used list */ 495 bhdr_T *mf_used_last; /* lru block_hdr in used list */ 496 unsigned mf_used_count; /* number of pages in used list */ 497 unsigned mf_used_count_max; /* maximum number of pages in memory */ 498 bhdr_T *mf_hash[MEMHASHSIZE]; /* array of hash lists */ 499 NR_TRANS *mf_trans[MEMHASHSIZE]; /* array of trans lists */ 500 blocknr_T mf_blocknr_max; /* highest positive block number + 1*/ 501 blocknr_T mf_blocknr_min; /* lowest negative block number - 1 */ 502 blocknr_T mf_neg_count; /* number of negative blocks numbers */ 503 blocknr_T mf_infile_count; /* number of pages in the file */ 504 unsigned mf_page_size; /* number of bytes in a page */ 505 int mf_dirty; /* TRUE if there are dirty blocks */ 506 }; 507 508 /* 509 * things used in memline.c 510 */ 511 /* 512 * When searching for a specific line, we remember what blocks in the tree 513 * are the branches leading to that block. This is stored in ml_stack. Each 514 * entry is a pointer to info in a block (may be data block or pointer block) 515 */ 516 typedef struct info_pointer 517 { 518 blocknr_T ip_bnum; /* block number */ 519 linenr_T ip_low; /* lowest lnum in this block */ 520 linenr_T ip_high; /* highest lnum in this block */ 521 int ip_index; /* index for block with current lnum */ 522 } infoptr_T; /* block/index pair */ 523 524 #ifdef FEAT_BYTEOFF 525 typedef struct ml_chunksize 526 { 527 int mlcs_numlines; 528 long mlcs_totalsize; 529 } chunksize_T; 530 531 /* Flags when calling ml_updatechunk() */ 532 533 #define ML_CHNK_ADDLINE 1 534 #define ML_CHNK_DELLINE 2 535 #define ML_CHNK_UPDLINE 3 536 #endif 537 538 /* 539 * the memline structure holds all the information about a memline 540 */ 541 typedef struct memline 542 { 543 linenr_T ml_line_count; /* number of lines in the buffer */ 544 545 memfile_T *ml_mfp; /* pointer to associated memfile */ 546 547 #define ML_EMPTY 1 /* empty buffer */ 548 #define ML_LINE_DIRTY 2 /* cached line was changed and allocated */ 549 #define ML_LOCKED_DIRTY 4 /* ml_locked was changed */ 550 #define ML_LOCKED_POS 8 /* ml_locked needs positive block number */ 551 int ml_flags; 552 553 infoptr_T *ml_stack; /* stack of pointer blocks (array of IPTRs) */ 554 int ml_stack_top; /* current top if ml_stack */ 555 int ml_stack_size; /* total number of entries in ml_stack */ 556 557 linenr_T ml_line_lnum; /* line number of cached line, 0 if not valid */ 558 char_u *ml_line_ptr; /* pointer to cached line */ 559 560 bhdr_T *ml_locked; /* block used by last ml_get */ 561 linenr_T ml_locked_low; /* first line in ml_locked */ 562 linenr_T ml_locked_high; /* last line in ml_locked */ 563 int ml_locked_lineadd; /* number of lines inserted in ml_locked */ 564 #ifdef FEAT_BYTEOFF 565 chunksize_T *ml_chunksize; 566 int ml_numchunks; 567 int ml_usedchunks; 568 #endif 569 } memline_T; 570 571 #if defined(FEAT_SIGNS) || defined(PROTO) 572 typedef struct signlist signlist_T; 573 574 struct signlist 575 { 576 int id; /* unique identifier for each placed sign */ 577 linenr_T lnum; /* line number which has this sign */ 578 int typenr; /* typenr of sign */ 579 signlist_T *next; /* next signlist entry */ 580 # ifdef FEAT_NETBEANS_INTG 581 signlist_T *prev; /* previous entry -- for easy reordering */ 582 # endif 583 }; 584 585 /* type argument for buf_getsigntype() */ 586 #define SIGN_ANY 0 587 #define SIGN_LINEHL 1 588 #define SIGN_ICON 2 589 #define SIGN_TEXT 3 590 #endif 591 592 /* 593 * Argument list: Array of file names. 594 * Used for the global argument list and the argument lists local to a window. 595 */ 596 typedef struct arglist 597 { 598 garray_T al_ga; /* growarray with the array of file names */ 599 int al_refcount; /* number of windows using this arglist */ 600 } alist_T; 601 602 /* 603 * For each argument remember the file name as it was given, and the buffer 604 * number that contains the expanded file name (required for when ":cd" is 605 * used. 606 */ 607 typedef struct argentry 608 { 609 char_u *ae_fname; /* file name as specified */ 610 int ae_fnum; /* buffer number with expanded file name */ 611 } aentry_T; 612 613 #ifdef FEAT_WINDOWS 614 # define ALIST(win) (win)->w_alist 615 #else 616 # define ALIST(win) (&global_alist) 617 #endif 618 #define GARGLIST ((aentry_T *)global_alist.al_ga.ga_data) 619 #define ARGLIST ((aentry_T *)ALIST(curwin)->al_ga.ga_data) 620 #define WARGLIST(wp) ((aentry_T *)ALIST(wp)->al_ga.ga_data) 621 #define AARGLIST(al) ((aentry_T *)((al)->al_ga.ga_data)) 622 #define GARGCOUNT (global_alist.al_ga.ga_len) 623 #define ARGCOUNT (ALIST(curwin)->al_ga.ga_len) 624 #define WARGCOUNT(wp) (ALIST(wp)->al_ga.ga_len) 625 626 /* 627 * A list used for saving values of "emsg_silent". Used by ex_try() to save the 628 * value of "emsg_silent" if it was non-zero. When this is done, the CSF_SILENT 629 * flag below is set. 630 */ 631 632 typedef struct eslist_elem eslist_T; 633 struct eslist_elem 634 { 635 int saved_emsg_silent; /* saved value of "emsg_silent" */ 636 eslist_T *next; /* next element on the list */ 637 }; 638 639 /* 640 * For conditional commands a stack is kept of nested conditionals. 641 * When cs_idx < 0, there is no conditional command. 642 */ 643 #define CSTACK_LEN 50 644 645 struct condstack 646 { 647 short cs_flags[CSTACK_LEN]; /* CSF_ flags */ 648 char cs_pending[CSTACK_LEN]; /* CSTP_: what's pending in ":finally"*/ 649 union { 650 void *csp_rv[CSTACK_LEN]; /* return typeval for pending return */ 651 void *csp_ex[CSTACK_LEN]; /* exception for pending throw */ 652 } cs_pend; 653 void *cs_forinfo[CSTACK_LEN]; /* info used by ":for" */ 654 int cs_line[CSTACK_LEN]; /* line nr of ":while"/":for" line */ 655 int cs_idx; /* current entry, or -1 if none */ 656 int cs_looplevel; /* nr of nested ":while"s and ":for"s */ 657 int cs_trylevel; /* nr of nested ":try"s */ 658 eslist_T *cs_emsg_silent_list; /* saved values of "emsg_silent" */ 659 char cs_lflags; /* loop flags: CSL_ flags */ 660 }; 661 # define cs_rettv cs_pend.csp_rv 662 # define cs_exception cs_pend.csp_ex 663 664 /* There is no CSF_IF, the lack of CSF_WHILE, CSF_FOR and CSF_TRY means ":if" 665 * was used. */ 666 # define CSF_TRUE 0x0001 /* condition was TRUE */ 667 # define CSF_ACTIVE 0x0002 /* current state is active */ 668 # define CSF_ELSE 0x0004 /* ":else" has been passed */ 669 # define CSF_WHILE 0x0008 /* is a ":while" */ 670 # define CSF_FOR 0x0010 /* is a ":for" */ 671 672 # define CSF_TRY 0x0100 /* is a ":try" */ 673 # define CSF_FINALLY 0x0200 /* ":finally" has been passed */ 674 # define CSF_THROWN 0x0400 /* exception thrown to this try conditional */ 675 # define CSF_CAUGHT 0x0800 /* exception caught by this try conditional */ 676 # define CSF_SILENT 0x1000 /* "emsg_silent" reset by ":try" */ 677 /* Note that CSF_ELSE is only used when CSF_TRY and CSF_WHILE are unset 678 * (an ":if"), and CSF_SILENT is only used when CSF_TRY is set. */ 679 680 /* 681 * What's pending for being reactivated at the ":endtry" of this try 682 * conditional: 683 */ 684 # define CSTP_NONE 0 /* nothing pending in ":finally" clause */ 685 # define CSTP_ERROR 1 /* an error is pending */ 686 # define CSTP_INTERRUPT 2 /* an interrupt is pending */ 687 # define CSTP_THROW 4 /* a throw is pending */ 688 # define CSTP_BREAK 8 /* ":break" is pending */ 689 # define CSTP_CONTINUE 16 /* ":continue" is pending */ 690 # define CSTP_RETURN 24 /* ":return" is pending */ 691 # define CSTP_FINISH 32 /* ":finish" is pending */ 692 693 /* 694 * Flags for the cs_lflags item in struct condstack. 695 */ 696 # define CSL_HAD_LOOP 1 /* just found ":while" or ":for" */ 697 # define CSL_HAD_ENDLOOP 2 /* just found ":endwhile" or ":endfor" */ 698 # define CSL_HAD_CONT 4 /* just found ":continue" */ 699 # define CSL_HAD_FINA 8 /* just found ":finally" */ 700 701 /* 702 * A list of error messages that can be converted to an exception. "throw_msg" 703 * is only set in the first element of the list. Usually, it points to the 704 * original message stored in that element, but sometimes it points to a later 705 * message in the list. See cause_errthrow() below. 706 */ 707 struct msglist 708 { 709 char_u *msg; /* original message */ 710 char_u *throw_msg; /* msg to throw: usually original one */ 711 struct msglist *next; /* next of several messages in a row */ 712 }; 713 714 /* 715 * Structure describing an exception. 716 * (don't use "struct exception", it's used by the math library). 717 */ 718 typedef struct vim_exception except_T; 719 struct vim_exception 720 { 721 int type; /* exception type */ 722 char_u *value; /* exception value */ 723 struct msglist *messages; /* message(s) causing error exception */ 724 char_u *throw_name; /* name of the throw point */ 725 linenr_T throw_lnum; /* line number of the throw point */ 726 except_T *caught; /* next exception on the caught stack */ 727 }; 728 729 /* 730 * The exception types. 731 */ 732 #define ET_USER 0 /* exception caused by ":throw" command */ 733 #define ET_ERROR 1 /* error exception */ 734 #define ET_INTERRUPT 2 /* interrupt exception triggered by Ctrl-C */ 735 736 /* 737 * Structure to save the error/interrupt/exception state between calls to 738 * enter_cleanup() and leave_cleanup(). Must be allocated as an automatic 739 * variable by the (common) caller of these functions. 740 */ 741 typedef struct cleanup_stuff cleanup_T; 742 struct cleanup_stuff 743 { 744 int pending; /* error/interrupt/exception state */ 745 except_T *exception; /* exception value */ 746 }; 747 748 #ifdef FEAT_SYN_HL 749 /* struct passed to in_id_list() */ 750 struct sp_syn 751 { 752 int inc_tag; /* ":syn include" unique tag */ 753 short id; /* highlight group ID of item */ 754 short *cont_in_list; /* cont.in group IDs, if non-zero */ 755 }; 756 757 /* 758 * Each keyword has one keyentry, which is linked in a hash list. 759 */ 760 typedef struct keyentry keyentry_T; 761 762 struct keyentry 763 { 764 keyentry_T *ke_next; /* next entry with identical "keyword[]" */ 765 struct sp_syn k_syn; /* struct passed to in_id_list() */ 766 short *next_list; /* ID list for next match (if non-zero) */ 767 short flags; /* see syntax.c */ 768 char_u keyword[1]; /* actually longer */ 769 }; 770 771 /* 772 * Struct used to store one state of the state stack. 773 */ 774 typedef struct buf_state 775 { 776 int bs_idx; /* index of pattern */ 777 long bs_flags; /* flags for pattern */ 778 reg_extmatch_T *bs_extmatch; /* external matches from start pattern */ 779 } bufstate_T; 780 781 /* 782 * syn_state contains the syntax state stack for the start of one line. 783 * Used by b_sst_array[]. 784 */ 785 typedef struct syn_state synstate_T; 786 787 struct syn_state 788 { 789 synstate_T *sst_next; /* next entry in used or free list */ 790 linenr_T sst_lnum; /* line number for this state */ 791 union 792 { 793 bufstate_T sst_stack[SST_FIX_STATES]; /* short state stack */ 794 garray_T sst_ga; /* growarray for long state stack */ 795 } sst_union; 796 int sst_next_flags; /* flags for sst_next_list */ 797 short *sst_next_list; /* "nextgroup" list in this state 798 * (this is a copy, don't free it! */ 799 short sst_stacksize; /* number of states on the stack */ 800 disptick_T sst_tick; /* tick when last displayed */ 801 linenr_T sst_change_lnum;/* when non-zero, change in this line 802 * may have made the state invalid */ 803 }; 804 #endif /* FEAT_SYN_HL */ 805 806 /* 807 * Structure shared between syntax.c, screen.c and gui_x11.c. 808 */ 809 typedef struct attr_entry 810 { 811 short ae_attr; /* HL_BOLD, etc. */ 812 union 813 { 814 struct 815 { 816 char_u *start; /* start escape sequence */ 817 char_u *stop; /* stop escape sequence */ 818 } term; 819 struct 820 { 821 /* These colors need to be > 8 bits to hold 256. */ 822 short_u fg_color; /* foreground color number */ 823 short_u bg_color; /* background color number */ 824 } cterm; 825 # ifdef FEAT_GUI 826 struct 827 { 828 guicolor_T fg_color; /* foreground color handle */ 829 guicolor_T bg_color; /* background color handle */ 830 guicolor_T sp_color; /* special color handle */ 831 GuiFont font; /* font handle */ 832 # ifdef FEAT_XFONTSET 833 GuiFontset fontset; /* fontset handle */ 834 # endif 835 } gui; 836 # endif 837 } ae_u; 838 } attrentry_T; 839 840 #ifdef USE_ICONV 841 # ifdef HAVE_ICONV_H 842 # include <iconv.h> 843 # else 844 # if defined(MACOS_X) 845 # include <sys/errno.h> 846 # define EILSEQ ENOENT /* MacOS X does not have EILSEQ */ 847 typedef struct _iconv_t *iconv_t; 848 # else 849 # if defined(MACOS_CLASSIC) 850 typedef struct _iconv_t *iconv_t; 851 # define EINVAL 22 852 # define E2BIG 7 853 # define ENOENT 2 854 # define EFAULT 14 855 # define EILSEQ 123 856 # else 857 # include <errno.h> 858 # endif 859 # endif 860 typedef void *iconv_t; 861 # endif 862 #endif 863 864 /* 865 * Used for the typeahead buffer: typebuf. 866 */ 867 typedef struct 868 { 869 char_u *tb_buf; /* buffer for typed characters */ 870 char_u *tb_noremap; /* mapping flags for characters in tb_buf[] */ 871 int tb_buflen; /* size of tb_buf[] */ 872 int tb_off; /* current position in tb_buf[] */ 873 int tb_len; /* number of valid bytes in tb_buf[] */ 874 int tb_maplen; /* nr of mapped bytes in tb_buf[] */ 875 int tb_silent; /* nr of silently mapped bytes in tb_buf[] */ 876 int tb_no_abbr_cnt; /* nr of bytes without abbrev. in tb_buf[] */ 877 int tb_change_cnt; /* nr of time tb_buf was changed; never zero */ 878 } typebuf_T; 879 880 /* Struct to hold the saved typeahead for save_typeahead(). */ 881 typedef struct 882 { 883 typebuf_T save_typebuf; 884 int typebuf_valid; /* TRUE when save_typebuf valid */ 885 struct buffheader save_stuffbuff; 886 #ifdef USE_INPUT_BUF 887 char_u *save_inputbuf; 888 #endif 889 } tasave_T; 890 891 /* 892 * Used for conversion of terminal I/O and script files. 893 */ 894 typedef struct 895 { 896 int vc_type; /* zero or one of the CONV_ values */ 897 int vc_factor; /* max. expansion factor */ 898 # ifdef WIN3264 899 int vc_cpfrom; /* codepage to convert from (CONV_CODEPAGE) */ 900 int vc_cpto; /* codepage to convert to (CONV_CODEPAGE) */ 901 # endif 902 # ifdef USE_ICONV 903 iconv_t vc_fd; /* for CONV_ICONV */ 904 # endif 905 int vc_fail; /* fail for invalid char, don't use '?' */ 906 } vimconv_T; 907 908 /* 909 * Structure used for reading from the viminfo file. 910 */ 911 typedef struct 912 { 913 char_u *vir_line; /* text of the current line */ 914 FILE *vir_fd; /* file descriptor */ 915 #ifdef FEAT_MBYTE 916 vimconv_T vir_conv; /* encoding conversion */ 917 #endif 918 } vir_T; 919 920 #define CONV_NONE 0 921 #define CONV_TO_UTF8 1 922 #define CONV_9_TO_UTF8 2 923 #define CONV_TO_LATIN1 3 924 #define CONV_TO_LATIN9 4 925 #define CONV_ICONV 5 926 #ifdef WIN3264 927 # define CONV_CODEPAGE 10 /* codepage -> codepage */ 928 #endif 929 #ifdef MACOS_X 930 # define CONV_MAC_LATIN1 20 931 # define CONV_LATIN1_MAC 21 932 # define CONV_MAC_UTF8 22 933 # define CONV_UTF8_MAC 23 934 #endif 935 936 /* 937 * Structure used for mappings and abbreviations. 938 */ 939 typedef struct mapblock mapblock_T; 940 struct mapblock 941 { 942 mapblock_T *m_next; /* next mapblock in list */ 943 char_u *m_keys; /* mapped from */ 944 int m_keylen; /* strlen(m_keys) */ 945 char_u *m_str; /* mapped to */ 946 int m_mode; /* valid mode */ 947 int m_noremap; /* if non-zero no re-mapping for m_str */ 948 char m_silent; /* <silent> used, don't echo commands */ 949 #ifdef FEAT_EVAL 950 char m_expr; /* <expr> used, m_str is an expression */ 951 scid_T m_script_ID; /* ID of script where map was defined */ 952 #endif 953 }; 954 955 /* 956 * Used for highlighting in the status line. 957 */ 958 struct stl_hlrec 959 { 960 char_u *start; 961 int userhl; /* 0: no HL, 1-9: User HL, < 0 for syn ID */ 962 }; 963 964 /* Item for a hashtable. "hi_key" can be one of three values: 965 * NULL: Never been used 966 * HI_KEY_REMOVED: Entry was removed 967 * Otherwise: Used item, pointer to the actual key; this usually is 968 * inside the item, subtract an offset to locate the item. 969 * This reduces the size of hashitem by 1/3. 970 */ 971 typedef struct hashitem_S 972 { 973 long_u hi_hash; /* cached hash number of hi_key */ 974 char_u *hi_key; 975 } hashitem_T; 976 977 /* The address of "hash_removed" is used as a magic number for hi_key to 978 * indicate a removed item. */ 979 #define HI_KEY_REMOVED &hash_removed 980 #define HASHITEM_EMPTY(hi) ((hi)->hi_key == NULL || (hi)->hi_key == &hash_removed) 981 982 /* Initial size for a hashtable. Our items are relatively small and growing 983 * is expensive, thus use 16 as a start. Must be a power of 2. */ 984 #define HT_INIT_SIZE 16 985 986 typedef struct hashtable_S 987 { 988 long_u ht_mask; /* mask used for hash value (nr of items in 989 * array is "ht_mask" + 1) */ 990 long_u ht_used; /* number of items used */ 991 long_u ht_filled; /* number of items used + removed */ 992 int ht_locked; /* counter for hash_lock() */ 993 int ht_error; /* when set growing failed, can't add more 994 items before growing works */ 995 hashitem_T *ht_array; /* points to the array, allocated when it's 996 not "ht_smallarray" */ 997 hashitem_T ht_smallarray[HT_INIT_SIZE]; /* initial array */ 998 } hashtab_T; 999 1000 typedef long_u hash_T; /* Type for hi_hash */ 1001 1002 1003 #if SIZEOF_INT <= 3 /* use long if int is smaller than 32 bits */ 1004 typedef long varnumber_T; 1005 #else 1006 typedef int varnumber_T; 1007 #endif 1008 1009 typedef struct listvar_S list_T; 1010 typedef struct dictvar_S dict_T; 1011 1012 /* 1013 * Structure to hold an internal variable without a name. 1014 */ 1015 typedef struct 1016 { 1017 char v_type; /* see below: VAR_NUMBER, VAR_STRING, etc. */ 1018 char v_lock; /* see below: VAR_LOCKED, VAR_FIXED */ 1019 union 1020 { 1021 varnumber_T v_number; /* number value */ 1022 char_u *v_string; /* string value (can be NULL!) */ 1023 list_T *v_list; /* list value (can be NULL!) */ 1024 dict_T *v_dict; /* dict value (can be NULL!) */ 1025 } vval; 1026 } typval_T; 1027 1028 /* Values for "v_type". */ 1029 #define VAR_UNKNOWN 0 1030 #define VAR_NUMBER 1 /* "v_number" is used */ 1031 #define VAR_STRING 2 /* "v_string" is used */ 1032 #define VAR_FUNC 3 /* "v_string" is function name */ 1033 #define VAR_LIST 4 /* "v_list" is used */ 1034 #define VAR_DICT 5 /* "v_dict" is used */ 1035 1036 /* Values for "v_lock". */ 1037 #define VAR_LOCKED 1 /* locked with lock(), can use unlock() */ 1038 #define VAR_FIXED 2 /* locked forever */ 1039 1040 /* 1041 * Structure to hold an item of a list: an internal variable without a name. 1042 */ 1043 typedef struct listitem_S listitem_T; 1044 1045 struct listitem_S 1046 { 1047 listitem_T *li_next; /* next item in list */ 1048 listitem_T *li_prev; /* previous item in list */ 1049 typval_T li_tv; /* type and value of the variable */ 1050 }; 1051 1052 /* 1053 * Struct used by those that are using an item in a list. 1054 */ 1055 typedef struct listwatch_S listwatch_T; 1056 1057 struct listwatch_S 1058 { 1059 listitem_T *lw_item; /* item being watched */ 1060 listwatch_T *lw_next; /* next watcher */ 1061 }; 1062 1063 /* 1064 * Structure to hold info about a list. 1065 */ 1066 struct listvar_S 1067 { 1068 listitem_T *lv_first; /* first item, NULL if none */ 1069 listitem_T *lv_last; /* last item, NULL if none */ 1070 int lv_refcount; /* reference count */ 1071 int lv_len; /* number of items */ 1072 listwatch_T *lv_watch; /* first watcher, NULL if none */ 1073 int lv_idx; /* cached index of an item */ 1074 listitem_T *lv_idx_item; /* when not NULL item at index "lv_idx" */ 1075 int lv_copyID; /* ID used by deepcopy() */ 1076 list_T *lv_copylist; /* copied list used by deepcopy() */ 1077 char lv_lock; /* zero, VAR_LOCKED, VAR_FIXED */ 1078 list_T *lv_used_next; /* next list in used lists list */ 1079 list_T *lv_used_prev; /* previous list in used lists list */ 1080 }; 1081 1082 /* 1083 * Structure to hold an item of a Dictionary. 1084 * Also used for a variable. 1085 * The key is copied into "di_key" to avoid an extra alloc/free for it. 1086 */ 1087 struct dictitem_S 1088 { 1089 typval_T di_tv; /* type and value of the variable */ 1090 char_u di_flags; /* flags (only used for variable) */ 1091 char_u di_key[1]; /* key (actually longer!) */ 1092 }; 1093 1094 typedef struct dictitem_S dictitem_T; 1095 1096 #define DI_FLAGS_RO 1 /* "di_flags" value: read-only variable */ 1097 #define DI_FLAGS_RO_SBX 2 /* "di_flags" value: read-only in the sandbox */ 1098 #define DI_FLAGS_FIX 4 /* "di_flags" value: fixed variable, not allocated */ 1099 #define DI_FLAGS_LOCK 8 /* "di_flags" value: locked variable */ 1100 1101 /* 1102 * Structure to hold info about a Dictionary. 1103 */ 1104 struct dictvar_S 1105 { 1106 int dv_refcount; /* reference count */ 1107 hashtab_T dv_hashtab; /* hashtab that refers to the items */ 1108 int dv_copyID; /* ID used by deepcopy() */ 1109 dict_T *dv_copydict; /* copied dict used by deepcopy() */ 1110 char dv_lock; /* zero, VAR_LOCKED, VAR_FIXED */ 1111 dict_T *dv_used_next; /* next dict in used dicts list */ 1112 dict_T *dv_used_prev; /* previous dict in used dicts list */ 1113 }; 1114 1115 /* values for b_syn_spell: what to do with toplevel text */ 1116 #define SYNSPL_DEFAULT 0 /* spell check if @Spell not defined */ 1117 #define SYNSPL_TOP 1 /* spell check toplevel text */ 1118 #define SYNSPL_NOTOP 2 /* don't spell check toplevel text */ 1119 1120 /* avoid #ifdefs for when b_spell is not available */ 1121 #ifdef FEAT_SPELL 1122 # define B_SPELL(buf) ((buf)->b_spell) 1123 #else 1124 # define B_SPELL(buf) (0) 1125 #endif 1126 1127 #ifdef FEAT_QUICKFIX 1128 typedef struct qf_info_S qf_info_T; 1129 #endif 1130 1131 /* 1132 * buffer: structure that holds information about one file 1133 * 1134 * Several windows can share a single Buffer 1135 * A buffer is unallocated if there is no memfile for it. 1136 * A buffer is new if the associated file has never been loaded yet. 1137 */ 1138 1139 typedef struct file_buffer buf_T; 1140 1141 struct file_buffer 1142 { 1143 memline_T b_ml; /* associated memline (also contains line 1144 count) */ 1145 1146 buf_T *b_next; /* links in list of buffers */ 1147 buf_T *b_prev; 1148 1149 int b_nwindows; /* nr of windows open on this buffer */ 1150 1151 int b_flags; /* various BF_ flags */ 1152 1153 /* 1154 * b_ffname has the full path of the file (NULL for no name). 1155 * b_sfname is the name as the user typed it (or NULL). 1156 * b_fname is the same as b_sfname, unless ":cd" has been done, 1157 * then it is the same as b_ffname (NULL for no name). 1158 */ 1159 char_u *b_ffname; /* full path file name */ 1160 char_u *b_sfname; /* short file name */ 1161 char_u *b_fname; /* current file name */ 1162 1163 #ifdef UNIX 1164 int b_dev; /* device number (-1 if not set) */ 1165 ino_t b_ino; /* inode number */ 1166 #endif 1167 #ifdef FEAT_CW_EDITOR 1168 FSSpec b_FSSpec; /* MacOS File Identification */ 1169 #endif 1170 #ifdef VMS 1171 char b_fab_rfm; /* Record format */ 1172 char b_fab_rat; /* Record attribute */ 1173 unsigned int b_fab_mrs; /* Max record size */ 1174 #endif 1175 #ifdef FEAT_SNIFF 1176 int b_sniff; /* file was loaded through Sniff */ 1177 #endif 1178 1179 int b_fnum; /* buffer number for this file. */ 1180 1181 int b_changed; /* 'modified': Set to TRUE if something in the 1182 file has been changed and not written out. */ 1183 int b_changedtick; /* incremented for each change, also for undo */ 1184 1185 int b_saving; /* Set to TRUE if we are in the middle of 1186 saving the buffer. */ 1187 1188 /* 1189 * Changes to a buffer require updating of the display. To minimize the 1190 * work, remember changes made and update everything at once. 1191 */ 1192 int b_mod_set; /* TRUE when there are changes since the last 1193 time the display was updated */ 1194 linenr_T b_mod_top; /* topmost lnum that was changed */ 1195 linenr_T b_mod_bot; /* lnum below last changed line, AFTER the 1196 change */ 1197 long b_mod_xlines; /* number of extra buffer lines inserted; 1198 negative when lines were deleted */ 1199 1200 wininfo_T *b_wininfo; /* list of last used info for each window */ 1201 1202 long b_mtime; /* last change time of original file */ 1203 long b_mtime_read; /* last change time when reading */ 1204 size_t b_orig_size; /* size of original file in bytes */ 1205 int b_orig_mode; /* mode of original file */ 1206 1207 pos_T b_namedm[NMARKS]; /* current named marks (mark.c) */ 1208 1209 #ifdef FEAT_VISUAL 1210 /* These variables are set when VIsual_active becomes FALSE */ 1211 visualinfo_T b_visual; 1212 # ifdef FEAT_EVAL 1213 int b_visual_mode_eval; /* b_visual.vi_mode for visualmode() */ 1214 # endif 1215 #endif 1216 1217 pos_T b_last_cursor; /* cursor position when last unloading this 1218 buffer */ 1219 pos_T b_last_insert; /* where Insert mode was left */ 1220 pos_T b_last_change; /* position of last change: '. mark */ 1221 1222 #ifdef FEAT_JUMPLIST 1223 /* 1224 * the changelist contains old change positions 1225 */ 1226 pos_T b_changelist[JUMPLISTSIZE]; 1227 int b_changelistlen; /* number of active entries */ 1228 int b_new_change; /* set by u_savecommon() */ 1229 #endif 1230 1231 /* 1232 * Character table, only used in charset.c for 'iskeyword' 1233 * 32 bytes of 8 bits: 1 bit per character 0-255. 1234 */ 1235 char_u b_chartab[32]; 1236 1237 #ifdef FEAT_LOCALMAP 1238 /* Table used for mappings local to a buffer. */ 1239 mapblock_T *(b_maphash[256]); 1240 1241 /* First abbreviation local to a buffer. */ 1242 mapblock_T *b_first_abbr; 1243 #endif 1244 #ifdef FEAT_USR_CMDS 1245 /* User commands local to the buffer. */ 1246 garray_T b_ucmds; 1247 #endif 1248 /* 1249 * start and end of an operator, also used for '[ and '] 1250 */ 1251 pos_T b_op_start; 1252 pos_T b_op_end; 1253 1254 #ifdef FEAT_VIMINFO 1255 int b_marks_read; /* Have we read viminfo marks yet? */ 1256 #endif 1257 1258 /* 1259 * The following only used in undo.c. 1260 */ 1261 u_header_T *b_u_oldhead; /* pointer to oldest header */ 1262 u_header_T *b_u_newhead; /* pointer to newest header; may not be valid 1263 if b_u_curhead is not NULL */ 1264 u_header_T *b_u_curhead; /* pointer to current header */ 1265 int b_u_numhead; /* current number of headers */ 1266 int b_u_synced; /* entry lists are synced */ 1267 long b_u_seq_last; /* last used undo sequence number */ 1268 long b_u_seq_cur; /* hu_seq of header below which we are now */ 1269 time_t b_u_seq_time; /* uh_time of header below which we are now */ 1270 1271 /* 1272 * variables for "U" command in undo.c 1273 */ 1274 char_u *b_u_line_ptr; /* saved line for "U" command */ 1275 linenr_T b_u_line_lnum; /* line number of line in u_line */ 1276 colnr_T b_u_line_colnr; /* optional column number */ 1277 1278 /* 1279 * The following only used in undo.c 1280 */ 1281 mblock_T b_block_head; /* head of allocated memory block list */ 1282 minfo_T *b_m_search; /* pointer to chunk before previously 1283 allocated/freed chunk */ 1284 mblock_T *b_mb_current; /* block where m_search points in */ 1285 1286 #ifdef FEAT_INS_EXPAND 1287 int b_scanned; /* ^N/^P have scanned this buffer */ 1288 #endif 1289 1290 /* flags for use of ":lmap" and IM control */ 1291 long b_p_iminsert; /* input mode for insert */ 1292 long b_p_imsearch; /* input mode for search */ 1293 #define B_IMODE_USE_INSERT -1 /* Use b_p_iminsert value for search */ 1294 #define B_IMODE_NONE 0 /* Input via none */ 1295 #define B_IMODE_LMAP 1 /* Input via langmap */ 1296 #ifndef USE_IM_CONTROL 1297 # define B_IMODE_LAST 1 1298 #else 1299 # define B_IMODE_IM 2 /* Input via input method */ 1300 # define B_IMODE_LAST 2 1301 #endif 1302 1303 #ifdef FEAT_KEYMAP 1304 short b_kmap_state; /* using "lmap" mappings */ 1305 # define KEYMAP_INIT 1 /* 'keymap' was set, call keymap_init() */ 1306 # define KEYMAP_LOADED 2 /* 'keymap' mappings have been loaded */ 1307 garray_T b_kmap_ga; /* the keymap table */ 1308 #endif 1309 1310 /* 1311 * Options local to a buffer. 1312 * They are here because their value depends on the type of file 1313 * or contents of the file being edited. 1314 */ 1315 int b_p_initialized; /* set when options initialized */ 1316 1317 #ifdef FEAT_EVAL 1318 int b_p_scriptID[BV_COUNT]; /* SIDs for buffer-local options */ 1319 #endif 1320 1321 int b_p_ai; /* 'autoindent' */ 1322 int b_p_ai_nopaste; /* b_p_ai saved for paste mode */ 1323 int b_p_ci; /* 'copyindent' */ 1324 int b_p_bin; /* 'binary' */ 1325 #ifdef FEAT_MBYTE 1326 int b_p_bomb; /* 'bomb' */ 1327 #endif 1328 #if defined(FEAT_QUICKFIX) 1329 char_u *b_p_bh; /* 'bufhidden' */ 1330 char_u *b_p_bt; /* 'buftype' */ 1331 #endif 1332 int b_p_bl; /* 'buflisted' */ 1333 #ifdef FEAT_CINDENT 1334 int b_p_cin; /* 'cindent' */ 1335 char_u *b_p_cino; /* 'cinoptions' */ 1336 char_u *b_p_cink; /* 'cinkeys' */ 1337 #endif 1338 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1339 char_u *b_p_cinw; /* 'cinwords' */ 1340 #endif 1341 #ifdef FEAT_COMMENTS 1342 char_u *b_p_com; /* 'comments' */ 1343 #endif 1344 #ifdef FEAT_FOLDING 1345 char_u *b_p_cms; /* 'commentstring' */ 1346 #endif 1347 #ifdef FEAT_INS_EXPAND 1348 char_u *b_p_cpt; /* 'complete' */ 1349 #endif 1350 #ifdef FEAT_COMPL_FUNC 1351 char_u *b_p_cfu; /* 'completefunc' */ 1352 char_u *b_p_ofu; /* 'omnifunc' */ 1353 #endif 1354 int b_p_eol; /* 'endofline' */ 1355 int b_p_et; /* 'expandtab' */ 1356 int b_p_et_nobin; /* b_p_et saved for binary mode */ 1357 #ifdef FEAT_MBYTE 1358 char_u *b_p_fenc; /* 'fileencoding' */ 1359 #endif 1360 char_u *b_p_ff; /* 'fileformat' */ 1361 #ifdef FEAT_AUTOCMD 1362 char_u *b_p_ft; /* 'filetype' */ 1363 #endif 1364 char_u *b_p_fo; /* 'formatoptions' */ 1365 char_u *b_p_flp; /* 'formatlistpat' */ 1366 int b_p_inf; /* 'infercase' */ 1367 char_u *b_p_isk; /* 'iskeyword' */ 1368 #ifdef FEAT_FIND_ID 1369 char_u *b_p_def; /* 'define' local value */ 1370 char_u *b_p_inc; /* 'include' */ 1371 # ifdef FEAT_EVAL 1372 char_u *b_p_inex; /* 'includeexpr' */ 1373 long_u b_p_inex_flags; /* flags for 'includeexpr' */ 1374 # endif 1375 #endif 1376 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1377 char_u *b_p_inde; /* 'indentexpr' */ 1378 long_u b_p_inde_flags; /* flags for 'indentexpr' */ 1379 char_u *b_p_indk; /* 'indentkeys' */ 1380 #endif 1381 #if defined(FEAT_EVAL) 1382 char_u *b_p_fex; /* 'formatexpr' */ 1383 long_u b_p_fex_flags; /* flags for 'formatexpr' */ 1384 #endif 1385 #ifdef FEAT_CRYPT 1386 char_u *b_p_key; /* 'key' */ 1387 #endif 1388 char_u *b_p_kp; /* 'keywordprg' */ 1389 #ifdef FEAT_LISP 1390 int b_p_lisp; /* 'lisp' */ 1391 #endif 1392 char_u *b_p_mps; /* 'matchpairs' */ 1393 int b_p_ml; /* 'modeline' */ 1394 int b_p_ml_nobin; /* b_p_ml saved for binary mode */ 1395 int b_p_ma; /* 'modifiable' */ 1396 char_u *b_p_nf; /* 'nrformats' */ 1397 #ifdef FEAT_OSFILETYPE 1398 char_u *b_p_oft; /* 'osfiletype' */ 1399 #endif 1400 int b_p_pi; /* 'preserveindent' */ 1401 #ifdef FEAT_TEXTOBJ 1402 char_u *b_p_qe; /* 'quoteescape' */ 1403 #endif 1404 int b_p_ro; /* 'readonly' */ 1405 long b_p_sw; /* 'shiftwidth' */ 1406 #ifndef SHORT_FNAME 1407 int b_p_sn; /* 'shortname' */ 1408 #endif 1409 #ifdef FEAT_SMARTINDENT 1410 int b_p_si; /* 'smartindent' */ 1411 #endif 1412 long b_p_sts; /* 'softtabstop' */ 1413 long b_p_sts_nopaste; /* b_p_sts saved for paste mode */ 1414 #ifdef FEAT_SEARCHPATH 1415 char_u *b_p_sua; /* 'suffixesadd' */ 1416 #endif 1417 int b_p_swf; /* 'swapfile' */ 1418 #ifdef FEAT_SYN_HL 1419 long b_p_smc; /* 'synmaxcol' */ 1420 char_u *b_p_syn; /* 'syntax' */ 1421 #endif 1422 #ifdef FEAT_SPELL 1423 char_u *b_p_spc; /* 'spellcapcheck' */ 1424 regprog_T *b_cap_prog; /* program for 'spellcapcheck' */ 1425 char_u *b_p_spf; /* 'spellfile' */ 1426 char_u *b_p_spl; /* 'spelllang' */ 1427 #endif 1428 long b_p_ts; /* 'tabstop' */ 1429 int b_p_tx; /* 'textmode' */ 1430 long b_p_tw; /* 'textwidth' */ 1431 long b_p_tw_nobin; /* b_p_tw saved for binary mode */ 1432 long b_p_tw_nopaste; /* b_p_tw saved for paste mode */ 1433 long b_p_wm; /* 'wrapmargin' */ 1434 long b_p_wm_nobin; /* b_p_wm saved for binary mode */ 1435 long b_p_wm_nopaste; /* b_p_wm saved for paste mode */ 1436 #ifdef FEAT_KEYMAP 1437 char_u *b_p_keymap; /* 'keymap' */ 1438 #endif 1439 1440 /* local values for options which are normally global */ 1441 #ifdef FEAT_QUICKFIX 1442 char_u *b_p_gp; /* 'grepprg' local value */ 1443 char_u *b_p_mp; /* 'makeprg' local value */ 1444 char_u *b_p_efm; /* 'errorformat' local value */ 1445 #endif 1446 char_u *b_p_ep; /* 'equalprg' local value */ 1447 char_u *b_p_path; /* 'path' local value */ 1448 int b_p_ar; /* 'autoread' local value */ 1449 char_u *b_p_tags; /* 'tags' local value */ 1450 #ifdef FEAT_INS_EXPAND 1451 char_u *b_p_dict; /* 'dictionary' local value */ 1452 char_u *b_p_tsr; /* 'thesaurus' local value */ 1453 #endif 1454 1455 /* end of buffer options */ 1456 1457 int b_start_eol; /* last line had eol when it was read */ 1458 int b_start_ffc; /* first char of 'ff' when edit started */ 1459 #ifdef FEAT_MBYTE 1460 char_u *b_start_fenc; /* 'fileencoding' when edit started or NULL */ 1461 int b_bad_char; /* "++bad=" argument when edit started or 0 */ 1462 int b_start_bomb; /* 'bomb' when it was read */ 1463 #endif 1464 1465 #ifdef FEAT_EVAL 1466 dictitem_T b_bufvar; /* variable for "b:" Dictionary */ 1467 dict_T b_vars; /* internal variables, local to buffer */ 1468 #endif 1469 1470 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1471 char_u *b_p_bexpr; /* 'balloonexpr' local value */ 1472 long_u b_p_bexpr_flags;/* flags for 'balloonexpr' */ 1473 #endif 1474 1475 /* When a buffer is created, it starts without a swap file. b_may_swap is 1476 * then set to indicate that a swap file may be opened later. It is reset 1477 * if a swap file could not be opened. 1478 */ 1479 int b_may_swap; 1480 int b_did_warn; /* Set to 1 if user has been warned on first 1481 change of a read-only file */ 1482 1483 /* Two special kinds of buffers: 1484 * help buffer - used for help files, won't use a swap file. 1485 * spell buffer - used for spell info, never displayed and doesn't have a 1486 * file name. 1487 */ 1488 int b_help; /* TRUE for help file buffer (when set b_p_bt 1489 is "help") */ 1490 #ifdef FEAT_SPELL 1491 int b_spell; /* TRUE for a spell file buffer, most fields 1492 are not used! Use the B_SPELL macro to 1493 access b_spell without #ifdef. */ 1494 #endif 1495 1496 #ifndef SHORT_FNAME 1497 int b_shortname; /* this file has an 8.3 file name */ 1498 #endif 1499 1500 #ifdef FEAT_MZSCHEME 1501 void *b_mzscheme_ref; /* The MzScheme reference to this buffer */ 1502 #endif 1503 1504 #ifdef FEAT_PERL 1505 void *b_perl_private; 1506 #endif 1507 1508 #ifdef FEAT_PYTHON 1509 void *b_python_ref; /* The Python reference to this buffer */ 1510 #endif 1511 1512 #ifdef FEAT_TCL 1513 void *b_tcl_ref; 1514 #endif 1515 1516 #ifdef FEAT_RUBY 1517 void *b_ruby_ref; 1518 #endif 1519 1520 #ifdef FEAT_SYN_HL 1521 hashtab_T b_keywtab; /* syntax keywords hash table */ 1522 hashtab_T b_keywtab_ic; /* idem, ignore case */ 1523 int b_syn_error; /* TRUE when error occured in HL */ 1524 int b_syn_ic; /* ignore case for :syn cmds */ 1525 int b_syn_spell; /* SYNSPL_ values */ 1526 garray_T b_syn_patterns; /* table for syntax patterns */ 1527 garray_T b_syn_clusters; /* table for syntax clusters */ 1528 int b_spell_cluster_id; /* @Spell cluster ID or 0 */ 1529 int b_nospell_cluster_id; /* @NoSpell cluster ID or 0 */ 1530 int b_syn_containedin; /* TRUE when there is an item with a 1531 "containedin" argument */ 1532 int b_syn_sync_flags; /* flags about how to sync */ 1533 short b_syn_sync_id; /* group to sync on */ 1534 long b_syn_sync_minlines; /* minimal sync lines offset */ 1535 long b_syn_sync_maxlines; /* maximal sync lines offset */ 1536 long b_syn_sync_linebreaks; /* offset for multi-line pattern */ 1537 char_u *b_syn_linecont_pat; /* line continuation pattern */ 1538 regprog_T *b_syn_linecont_prog; /* line continuation program */ 1539 int b_syn_linecont_ic; /* ignore-case flag for above */ 1540 int b_syn_topgrp; /* for ":syntax include" */ 1541 # ifdef FEAT_FOLDING 1542 int b_syn_folditems; /* number of patterns with the HL_FOLD 1543 flag set */ 1544 # endif 1545 /* 1546 * b_sst_array[] contains the state stack for a number of lines, for the start 1547 * of that line (col == 0). This avoids having to recompute the syntax state 1548 * too often. 1549 * b_sst_array[] is allocated to hold the state for all displayed lines, and 1550 * states for 1 out of about 20 other lines. 1551 * b_sst_array pointer to an array of synstate_T 1552 * b_sst_len number of entries in b_sst_array[] 1553 * b_sst_first pointer to first used entry in b_sst_array[] or NULL 1554 * b_sst_firstfree pointer to first free entry in b_sst_array[] or NULL 1555 * b_sst_freecount number of free entries in b_sst_array[] 1556 * b_sst_check_lnum entries after this lnum need to be checked for 1557 * validity (MAXLNUM means no check needed) 1558 */ 1559 synstate_T *b_sst_array; 1560 int b_sst_len; 1561 synstate_T *b_sst_first; 1562 synstate_T *b_sst_firstfree; 1563 int b_sst_freecount; 1564 linenr_T b_sst_check_lnum; 1565 short_u b_sst_lasttick; /* last display tick */ 1566 #endif /* FEAT_SYN_HL */ 1567 1568 #ifdef FEAT_SPELL 1569 /* for spell checking */ 1570 garray_T b_langp; /* list of pointers to slang_T, see spell.c */ 1571 char_u b_spell_ismw[256];/* flags: is midword char */ 1572 # ifdef FEAT_MBYTE 1573 char_u *b_spell_ismw_mb; /* multi-byte midword chars */ 1574 # endif 1575 #endif 1576 1577 #ifdef FEAT_SIGNS 1578 signlist_T *b_signlist; /* list of signs to draw */ 1579 #endif 1580 1581 #ifdef FEAT_NETBEANS_INTG 1582 int b_netbeans_file; /* TRUE when buffer is owned by NetBeans */ 1583 int b_was_netbeans_file;/* TRUE if b_netbeans_file was once set */ 1584 #endif 1585 1586 }; 1587 1588 1589 #ifdef FEAT_DIFF 1590 /* 1591 * Stuff for diff mode. 1592 */ 1593 # define DB_COUNT 4 /* up to four buffers can be diff'ed */ 1594 1595 /* 1596 * Each diffblock defines where a block of lines starts in each of the buffers 1597 * and how many lines it occupies in that buffer. When the lines are missing 1598 * in the buffer the df_count[] is zero. This is all counted in 1599 * buffer lines. 1600 * There is always at least one unchanged line in between the diffs. 1601 * Otherwise it would have been included in the diff above or below it. 1602 * df_lnum[] + df_count[] is the lnum below the change. When in one buffer 1603 * lines have been inserted, in the other buffer df_lnum[] is the line below 1604 * the insertion and df_count[] is zero. When appending lines at the end of 1605 * the buffer, df_lnum[] is one beyond the end! 1606 * This is using a linked list, because the number of differences is expected 1607 * to be reasonable small. The list is sorted on lnum. 1608 */ 1609 typedef struct diffblock_S diff_T; 1610 struct diffblock_S 1611 { 1612 diff_T *df_next; 1613 linenr_T df_lnum[DB_COUNT]; /* line number in buffer */ 1614 linenr_T df_count[DB_COUNT]; /* nr of inserted/changed lines */ 1615 }; 1616 #endif 1617 1618 /* 1619 * Tab pages point to the top frame of each tab page. 1620 * Note: Most values are NOT valid for the current tab page! Use "curwin", 1621 * "firstwin", etc. for that. "tp_topframe" is always valid and can be 1622 * compared against "topframe" to find the current tab page. 1623 */ 1624 typedef struct tabpage_S tabpage_T; 1625 struct tabpage_S 1626 { 1627 tabpage_T *tp_next; /* next tabpage or NULL */ 1628 frame_T *tp_topframe; /* topframe for the windows */ 1629 win_T *tp_curwin; /* current window in this Tab page */ 1630 win_T *tp_prevwin; /* previous window in this Tab page */ 1631 win_T *tp_firstwin; /* first window in this Tab page */ 1632 win_T *tp_lastwin; /* last window in this Tab page */ 1633 long tp_old_Rows; /* Rows when Tab page was left */ 1634 long tp_old_Columns; /* Columns when Tab page was left */ 1635 long tp_ch_used; /* value of 'cmdheight' when frame size 1636 was set */ 1637 #ifdef FEAT_GUI 1638 int tp_prev_which_scrollbars[3]; 1639 /* previous value of which_scrollbars */ 1640 #endif 1641 #ifdef FEAT_DIFF 1642 diff_T *tp_first_diff; 1643 buf_T *(tp_diffbuf[DB_COUNT]); 1644 int tp_diff_invalid; /* list of diffs is outdated */ 1645 #endif 1646 frame_T *tp_snapshot; /* window layout snapshot */ 1647 #ifdef FEAT_EVAL 1648 dictitem_T tp_winvar; /* variable for "t:" Dictionary */ 1649 dict_T tp_vars; /* internal variables, local to tab page */ 1650 #endif 1651 }; 1652 1653 /* 1654 * Structure to cache info for displayed lines in w_lines[]. 1655 * Each logical line has one entry. 1656 * The entry tells how the logical line is currently displayed in the window. 1657 * This is updated when displaying the window. 1658 * When the display is changed (e.g., when clearing the screen) w_lines_valid 1659 * is changed to exclude invalid entries. 1660 * When making changes to the buffer, wl_valid is reset to indicate wl_size 1661 * may not reflect what is actually in the buffer. When wl_valid is FALSE, 1662 * the entries can only be used to count the number of displayed lines used. 1663 * wl_lnum and wl_lastlnum are invalid too. 1664 */ 1665 typedef struct w_line 1666 { 1667 linenr_T wl_lnum; /* buffer line number for logical line */ 1668 short_u wl_size; /* height in screen lines */ 1669 char wl_valid; /* TRUE values are valid for text in buffer */ 1670 #ifdef FEAT_FOLDING 1671 char wl_folded; /* TRUE when this is a range of folded lines */ 1672 linenr_T wl_lastlnum; /* last buffer line number for logical line */ 1673 #endif 1674 } wline_T; 1675 1676 /* 1677 * Windows are kept in a tree of frames. Each frame has a column (FR_COL) 1678 * or row (FR_ROW) layout or is a leaf, which has a window. 1679 */ 1680 struct frame_S 1681 { 1682 char fr_layout; /* FR_LEAF, FR_COL or FR_ROW */ 1683 #ifdef FEAT_VERTSPLIT 1684 int fr_width; 1685 int fr_newwidth; /* new width used in win_equal_rec() */ 1686 #endif 1687 int fr_height; 1688 int fr_newheight; /* new height used in win_equal_rec() */ 1689 frame_T *fr_parent; /* containing frame or NULL */ 1690 frame_T *fr_next; /* frame right or below in same parent, NULL 1691 for first */ 1692 frame_T *fr_prev; /* frame left or above in same parent, NULL 1693 for last */ 1694 /* fr_child and fr_win are mutually exclusive */ 1695 frame_T *fr_child; /* first contained frame */ 1696 win_T *fr_win; /* window that fills this frame */ 1697 }; 1698 1699 #define FR_LEAF 0 /* frame is a leaf */ 1700 #define FR_ROW 1 /* frame with a row of windows */ 1701 #define FR_COL 2 /* frame with a column of windows */ 1702 1703 /* 1704 * Struct used for highlighting 'hlsearch' matches, matches defined by 1705 * ":match" and matches defined by match functions. 1706 * For 'hlsearch' there is one pattern for all windows. For ":match" and the 1707 * match functions there is a different pattern for each window. 1708 */ 1709 typedef struct 1710 { 1711 regmmatch_T rm; /* points to the regexp program; contains last found 1712 match (may continue in next line) */ 1713 buf_T *buf; /* the buffer to search for a match */ 1714 linenr_T lnum; /* the line to search for a match */ 1715 int attr; /* attributes to be used for a match */ 1716 int attr_cur; /* attributes currently active in win_line() */ 1717 linenr_T first_lnum; /* first lnum to search for multi-line pat */ 1718 colnr_T startcol; /* in win_line() points to char where HL starts */ 1719 colnr_T endcol; /* in win_line() points to char where HL ends */ 1720 #ifdef FEAT_RELTIME 1721 proftime_T tm; /* for a time limit */ 1722 #endif 1723 } match_T; 1724 1725 /* 1726 * matchitem_T provides a linked list for storing match items for ":match" and 1727 * the match functions. 1728 */ 1729 typedef struct matchitem matchitem_T; 1730 struct matchitem 1731 { 1732 matchitem_T *next; 1733 int id; /* match ID */ 1734 int priority; /* match priority */ 1735 char_u *pattern; /* pattern to highlight */ 1736 int hlg_id; /* highlight group ID */ 1737 regmmatch_T match; /* regexp program for pattern */ 1738 match_T hl; /* struct for doing the actual highlighting */ 1739 }; 1740 1741 /* 1742 * Structure which contains all information that belongs to a window 1743 * 1744 * All row numbers are relative to the start of the window, except w_winrow. 1745 */ 1746 struct window_S 1747 { 1748 buf_T *w_buffer; /* buffer we are a window into (used 1749 often, keep it the first item!) */ 1750 1751 #ifdef FEAT_WINDOWS 1752 win_T *w_prev; /* link to previous window */ 1753 win_T *w_next; /* link to next window */ 1754 #endif 1755 1756 frame_T *w_frame; /* frame containing this window */ 1757 1758 pos_T w_cursor; /* cursor position in buffer */ 1759 1760 colnr_T w_curswant; /* The column we'd like to be at. This is 1761 used to try to stay in the same column 1762 for up/down cursor motions. */ 1763 1764 int w_set_curswant; /* If set, then update w_curswant the next 1765 time through cursupdate() to the 1766 current virtual column */ 1767 1768 #ifdef FEAT_VISUAL 1769 /* 1770 * the next six are used to update the visual part 1771 */ 1772 char w_old_visual_mode; /* last known VIsual_mode */ 1773 linenr_T w_old_cursor_lnum; /* last known end of visual part */ 1774 colnr_T w_old_cursor_fcol; /* first column for block visual part */ 1775 colnr_T w_old_cursor_lcol; /* last column for block visual part */ 1776 linenr_T w_old_visual_lnum; /* last known start of visual part */ 1777 colnr_T w_old_visual_col; /* last known start of visual part */ 1778 colnr_T w_old_curswant; /* last known value of Curswant */ 1779 #endif 1780 1781 /* 1782 * The next three specify the offsets for displaying the buffer: 1783 */ 1784 linenr_T w_topline; /* buffer line number of the line at the 1785 top of the window */ 1786 #ifdef FEAT_DIFF 1787 int w_topfill; /* number of filler lines above w_topline */ 1788 int w_old_topfill; /* w_topfill at last redraw */ 1789 int w_botfill; /* TRUE when filler lines are actually 1790 below w_topline (at end of file) */ 1791 int w_old_botfill; /* w_botfill at last redraw */ 1792 #endif 1793 colnr_T w_leftcol; /* window column number of the left most 1794 character in the window; used when 1795 'wrap' is off */ 1796 colnr_T w_skipcol; /* starting column when a single line 1797 doesn't fit in the window */ 1798 1799 /* 1800 * Layout of the window in the screen. 1801 * May need to add "msg_scrolled" to "w_winrow" in rare situations. 1802 */ 1803 #ifdef FEAT_WINDOWS 1804 int w_winrow; /* first row of window in screen */ 1805 #endif 1806 int w_height; /* number of rows in window, excluding 1807 status/command line(s) */ 1808 #ifdef FEAT_WINDOWS 1809 int w_status_height; /* number of status lines (0 or 1) */ 1810 #endif 1811 #ifdef FEAT_VERTSPLIT 1812 int w_wincol; /* Leftmost column of window in screen. 1813 use W_WINCOL() */ 1814 int w_width; /* Width of window, excluding separation. 1815 use W_WIDTH() */ 1816 int w_vsep_width; /* Number of separator columns (0 or 1). 1817 use W_VSEP_WIDTH() */ 1818 #endif 1819 1820 /* 1821 * === start of cached values ==== 1822 */ 1823 /* 1824 * Recomputing is minimized by storing the result of computations. 1825 * Use functions in screen.c to check if they are valid and to update. 1826 * w_valid is a bitfield of flags, which indicate if specific values are 1827 * valid or need to be recomputed. See screen.c for values. 1828 */ 1829 int w_valid; 1830 pos_T w_valid_cursor; /* last known position of w_cursor, used 1831 to adjust w_valid */ 1832 colnr_T w_valid_leftcol; /* last known w_leftcol */ 1833 1834 /* 1835 * w_cline_height is the number of physical lines taken by the buffer line 1836 * that the cursor is on. We use this to avoid extra calls to plines(). 1837 */ 1838 int w_cline_height; /* current size of cursor line */ 1839 #ifdef FEAT_FOLDING 1840 int w_cline_folded; /* cursor line is folded */ 1841 #endif 1842 1843 int w_cline_row; /* starting row of the cursor line */ 1844 1845 colnr_T w_virtcol; /* column number of the cursor in the 1846 buffer line, as opposed to the column 1847 number we're at on the screen. This 1848 makes a difference on lines which span 1849 more than one screen line or when 1850 w_leftcol is non-zero */ 1851 1852 /* 1853 * w_wrow and w_wcol specify the cursor position in the window. 1854 * This is related to positions in the window, not in the display or 1855 * buffer, thus w_wrow is relative to w_winrow. 1856 */ 1857 int w_wrow, w_wcol; /* cursor position in window */ 1858 1859 linenr_T w_botline; /* number of the line below the bottom of 1860 the screen */ 1861 int w_empty_rows; /* number of ~ rows in window */ 1862 #ifdef FEAT_DIFF 1863 int w_filler_rows; /* number of filler rows at the end of the 1864 window */ 1865 #endif 1866 1867 /* 1868 * Info about the lines currently in the window is remembered to avoid 1869 * recomputing it every time. The allocated size of w_lines[] is Rows. 1870 * Only the w_lines_valid entries are actually valid. 1871 * When the display is up-to-date w_lines[0].wl_lnum is equal to w_topline 1872 * and w_lines[w_lines_valid - 1].wl_lnum is equal to w_botline. 1873 * Between changing text and updating the display w_lines[] represents 1874 * what is currently displayed. wl_valid is reset to indicated this. 1875 * This is used for efficient redrawing. 1876 */ 1877 int w_lines_valid; /* number of valid entries */ 1878 wline_T *w_lines; 1879 1880 #ifdef FEAT_FOLDING 1881 garray_T w_folds; /* array of nested folds */ 1882 char w_fold_manual; /* when TRUE: some folds are opened/closed 1883 manually */ 1884 char w_foldinvalid; /* when TRUE: folding needs to be 1885 recomputed */ 1886 #endif 1887 #ifdef FEAT_LINEBREAK 1888 int w_nrwidth; /* width of 'number' column being used */ 1889 #endif 1890 1891 /* 1892 * === end of cached values === 1893 */ 1894 1895 int w_redr_type; /* type of redraw to be performed on win */ 1896 int w_upd_rows; /* number of window lines to update when 1897 w_redr_type is REDRAW_TOP */ 1898 linenr_T w_redraw_top; /* when != 0: first line needing redraw */ 1899 linenr_T w_redraw_bot; /* when != 0: last line needing redraw */ 1900 #ifdef FEAT_WINDOWS 1901 int w_redr_status; /* if TRUE status line must be redrawn */ 1902 #endif 1903 1904 #ifdef FEAT_CMDL_INFO 1905 /* remember what is shown in the ruler for this window (if 'ruler' set) */ 1906 pos_T w_ru_cursor; /* cursor position shown in ruler */ 1907 colnr_T w_ru_virtcol; /* virtcol shown in ruler */ 1908 linenr_T w_ru_topline; /* topline shown in ruler */ 1909 linenr_T w_ru_line_count; /* line count used for ruler */ 1910 # ifdef FEAT_DIFF 1911 int w_ru_topfill; /* topfill shown in ruler */ 1912 # endif 1913 char w_ru_empty; /* TRUE if ruler shows 0-1 (empty line) */ 1914 #endif 1915 1916 int w_alt_fnum; /* alternate file (for # and CTRL-^) */ 1917 1918 #ifdef FEAT_WINDOWS 1919 alist_T *w_alist; /* pointer to arglist for this window */ 1920 #endif 1921 int w_arg_idx; /* current index in argument list (can be 1922 out of range!) */ 1923 int w_arg_idx_invalid; /* editing another file than w_arg_idx */ 1924 1925 char_u *w_localdir; /* absolute path of local directory or 1926 NULL */ 1927 /* 1928 * Options local to a window. 1929 * They are local because they influence the layout of the window or 1930 * depend on the window layout. 1931 * There are two values: w_onebuf_opt is local to the buffer currently in 1932 * this window, w_allbuf_opt is for all buffers in this window. 1933 */ 1934 winopt_T w_onebuf_opt; 1935 winopt_T w_allbuf_opt; 1936 1937 /* A few options have local flags for P_INSECURE. */ 1938 #ifdef FEAT_STL_OPT 1939 long_u w_p_stl_flags; /* flags for 'statusline' */ 1940 #endif 1941 #ifdef FEAT_EVAL 1942 long_u w_p_fde_flags; /* flags for 'foldexpr' */ 1943 long_u w_p_fdt_flags; /* flags for 'foldtext' */ 1944 #endif 1945 1946 /* transform a pointer to a "onebuf" option into a "allbuf" option */ 1947 #define GLOBAL_WO(p) ((char *)p + sizeof(winopt_T)) 1948 1949 #ifdef FEAT_SCROLLBIND 1950 long w_scbind_pos; 1951 #endif 1952 1953 #ifdef FEAT_EVAL 1954 dictitem_T w_winvar; /* variable for "w:" Dictionary */ 1955 dict_T w_vars; /* internal variables, local to window */ 1956 #endif 1957 1958 #if defined(FEAT_RIGHTLEFT) && defined(FEAT_FKMAP) 1959 int w_farsi; /* for the window dependent Farsi functions */ 1960 #endif 1961 1962 /* 1963 * The w_prev_pcmark field is used to check whether we really did jump to 1964 * a new line after setting the w_pcmark. If not, then we revert to 1965 * using the previous w_pcmark. 1966 */ 1967 pos_T w_pcmark; /* previous context mark */ 1968 pos_T w_prev_pcmark; /* previous w_pcmark */ 1969 1970 #ifdef FEAT_JUMPLIST 1971 /* 1972 * the jumplist contains old cursor positions 1973 */ 1974 xfmark_T w_jumplist[JUMPLISTSIZE]; 1975 int w_jumplistlen; /* number of active entries */ 1976 int w_jumplistidx; /* current position */ 1977 1978 int w_changelistidx; /* current position in b_changelist */ 1979 #endif 1980 1981 #ifdef FEAT_SEARCH_EXTRA 1982 matchitem_T *w_match_head; /* head of match list */ 1983 int w_next_match_id; /* next match ID */ 1984 #endif 1985 1986 /* 1987 * the tagstack grows from 0 upwards: 1988 * entry 0: older 1989 * entry 1: newer 1990 * entry 2: newest 1991 */ 1992 taggy_T w_tagstack[TAGSTACKSIZE]; /* the tag stack */ 1993 int w_tagstackidx; /* idx just below active entry */ 1994 int w_tagstacklen; /* number of tags on stack */ 1995 1996 /* 1997 * w_fraction is the fractional row of the cursor within the window, from 1998 * 0 at the top row to FRACTION_MULT at the last row. 1999 * w_prev_fraction_row was the actual cursor row when w_fraction was last 2000 * calculated. 2001 */ 2002 int w_fraction; 2003 int w_prev_fraction_row; 2004 2005 #ifdef FEAT_GUI 2006 scrollbar_T w_scrollbars[2]; /* vert. Scrollbars for this window */ 2007 #endif 2008 #ifdef FEAT_LINEBREAK 2009 linenr_T w_nrwidth_line_count; /* line count when ml_nrwidth_width 2010 * was computed. */ 2011 int w_nrwidth_width; /* nr of chars to print line count. */ 2012 #endif 2013 2014 #ifdef FEAT_QUICKFIX 2015 qf_info_T *w_llist; /* Location list for this window */ 2016 /* 2017 * Location list reference used in the location list window. 2018 * In a non-location list window, w_llist_ref is NULL. 2019 */ 2020 qf_info_T *w_llist_ref; 2021 #endif 2022 2023 2024 #ifdef FEAT_MZSCHEME 2025 void *w_mzscheme_ref; /* The MzScheme value for this window */ 2026 #endif 2027 2028 #ifdef FEAT_PERL 2029 void *w_perl_private; 2030 #endif 2031 2032 #ifdef FEAT_PYTHON 2033 void *w_python_ref; /* The Python value for this window */ 2034 #endif 2035 2036 #ifdef FEAT_TCL 2037 void *w_tcl_ref; 2038 #endif 2039 2040 #ifdef FEAT_RUBY 2041 void *w_ruby_ref; 2042 #endif 2043 }; 2044 2045 /* 2046 * Arguments for operators. 2047 */ 2048 typedef struct oparg_S 2049 { 2050 int op_type; /* current pending operator type */ 2051 int regname; /* register to use for the operator */ 2052 int motion_type; /* type of the current cursor motion */ 2053 int motion_force; /* force motion type: 'v', 'V' or CTRL-V */ 2054 int use_reg_one; /* TRUE if delete uses reg 1 even when not 2055 linewise */ 2056 int inclusive; /* TRUE if char motion is inclusive (only 2057 valid when motion_type is MCHAR */ 2058 int end_adjusted; /* backuped b_op_end one char (only used by 2059 do_format()) */ 2060 pos_T start; /* start of the operator */ 2061 pos_T end; /* end of the operator */ 2062 pos_T cursor_start; /* cursor position before motion for "gw" */ 2063 2064 long line_count; /* number of lines from op_start to op_end 2065 (inclusive) */ 2066 int empty; /* op_start and op_end the same (only used by 2067 do_change()) */ 2068 #ifdef FEAT_VISUAL 2069 int is_VIsual; /* operator on Visual area */ 2070 int block_mode; /* current operator is Visual block mode */ 2071 #endif 2072 colnr_T start_vcol; /* start col for block mode operator */ 2073 colnr_T end_vcol; /* end col for block mode operator */ 2074 } oparg_T; 2075 2076 /* 2077 * Arguments for Normal mode commands. 2078 */ 2079 typedef struct cmdarg_S 2080 { 2081 oparg_T *oap; /* Operator arguments */ 2082 int prechar; /* prefix character (optional, always 'g') */ 2083 int cmdchar; /* command character */ 2084 int nchar; /* next command character (optional) */ 2085 #ifdef FEAT_MBYTE 2086 int ncharC1; /* first composing character (optional) */ 2087 int ncharC2; /* second composing character (optional) */ 2088 #endif 2089 int extra_char; /* yet another character (optional) */ 2090 long opcount; /* count before an operator */ 2091 long count0; /* count before command, default 0 */ 2092 long count1; /* count before command, default 1 */ 2093 int arg; /* extra argument from nv_cmds[] */ 2094 int retval; /* return: CA_* values */ 2095 char_u *searchbuf; /* return: pointer to search pattern or NULL */ 2096 } cmdarg_T; 2097 2098 /* values for retval: */ 2099 #define CA_COMMAND_BUSY 1 /* skip restarting edit() once */ 2100 #define CA_NO_ADJ_OP_END 2 /* don't adjust operator end */ 2101 2102 #ifdef CURSOR_SHAPE 2103 /* 2104 * struct to store values from 'guicursor' and 'mouseshape' 2105 */ 2106 /* Indexes in shape_table[] */ 2107 #define SHAPE_IDX_N 0 /* Normal mode */ 2108 #define SHAPE_IDX_V 1 /* Visual mode */ 2109 #define SHAPE_IDX_I 2 /* Insert mode */ 2110 #define SHAPE_IDX_R 3 /* Replace mode */ 2111 #define SHAPE_IDX_C 4 /* Command line Normal mode */ 2112 #define SHAPE_IDX_CI 5 /* Command line Insert mode */ 2113 #define SHAPE_IDX_CR 6 /* Command line Replace mode */ 2114 #define SHAPE_IDX_O 7 /* Operator-pending mode */ 2115 #define SHAPE_IDX_VE 8 /* Visual mode with 'seleciton' exclusive */ 2116 #define SHAPE_IDX_CLINE 9 /* On command line */ 2117 #define SHAPE_IDX_STATUS 10 /* A status line */ 2118 #define SHAPE_IDX_SDRAG 11 /* dragging a status line */ 2119 #define SHAPE_IDX_VSEP 12 /* A vertical separator line */ 2120 #define SHAPE_IDX_VDRAG 13 /* dragging a vertical separator line */ 2121 #define SHAPE_IDX_MORE 14 /* Hit-return or More */ 2122 #define SHAPE_IDX_MOREL 15 /* Hit-return or More in last line */ 2123 #define SHAPE_IDX_SM 16 /* showing matching paren */ 2124 #define SHAPE_IDX_COUNT 17 2125 2126 #define SHAPE_BLOCK 0 /* block cursor */ 2127 #define SHAPE_HOR 1 /* horizontal bar cursor */ 2128 #define SHAPE_VER 2 /* vertical bar cursor */ 2129 2130 #define MSHAPE_NUMBERED 1000 /* offset for shapes identified by number */ 2131 #define MSHAPE_HIDE 1 /* hide mouse pointer */ 2132 2133 #define SHAPE_MOUSE 1 /* used for mouse pointer shape */ 2134 #define SHAPE_CURSOR 2 /* used for text cursor shape */ 2135 2136 typedef struct cursor_entry 2137 { 2138 int shape; /* one of the SHAPE_ defines */ 2139 int mshape; /* one of the MSHAPE defines */ 2140 int percentage; /* percentage of cell for bar */ 2141 long blinkwait; /* blinking, wait time before blinking starts */ 2142 long blinkon; /* blinking, on time */ 2143 long blinkoff; /* blinking, off time */ 2144 int id; /* highlight group ID */ 2145 int id_lm; /* highlight group ID for :lmap mode */ 2146 char *name; /* mode name (fixed) */ 2147 char used_for; /* SHAPE_MOUSE and/or SHAPE_CURSOR */ 2148 } cursorentry_T; 2149 #endif /* CURSOR_SHAPE */ 2150 2151 #ifdef FEAT_MENU 2152 2153 /* Indices into vimmenu_T->strings[] and vimmenu_T->noremap[] for each mode */ 2154 #define MENU_INDEX_INVALID -1 2155 #define MENU_INDEX_NORMAL 0 2156 #define MENU_INDEX_VISUAL 1 2157 #define MENU_INDEX_SELECT 2 2158 #define MENU_INDEX_OP_PENDING 3 2159 #define MENU_INDEX_INSERT 4 2160 #define MENU_INDEX_CMDLINE 5 2161 #define MENU_INDEX_TIP 6 2162 #define MENU_MODES 7 2163 2164 /* Menu modes */ 2165 #define MENU_NORMAL_MODE (1 << MENU_INDEX_NORMAL) 2166 #define MENU_VISUAL_MODE (1 << MENU_INDEX_VISUAL) 2167 #define MENU_SELECT_MODE (1 << MENU_INDEX_SELECT) 2168 #define MENU_OP_PENDING_MODE (1 << MENU_INDEX_OP_PENDING) 2169 #define MENU_INSERT_MODE (1 << MENU_INDEX_INSERT) 2170 #define MENU_CMDLINE_MODE (1 << MENU_INDEX_CMDLINE) 2171 #define MENU_TIP_MODE (1 << MENU_INDEX_TIP) 2172 #define MENU_ALL_MODES ((1 << MENU_INDEX_TIP) - 1) 2173 /*note MENU_INDEX_TIP is not a 'real' mode*/ 2174 2175 /* Start a menu name with this to not include it on the main menu bar */ 2176 #define MNU_HIDDEN_CHAR ']' 2177 2178 typedef struct VimMenu vimmenu_T; 2179 2180 struct VimMenu 2181 { 2182 int modes; /* Which modes is this menu visible for? */ 2183 int enabled; /* for which modes the menu is enabled */ 2184 char_u *name; /* Name of menu */ 2185 char_u *dname; /* Displayed Name (without '&') */ 2186 int mnemonic; /* mnemonic key (after '&') */ 2187 char_u *actext; /* accelerator text (after TAB) */ 2188 int priority; /* Menu order priority */ 2189 #ifdef FEAT_GUI 2190 void (*cb) __ARGS((vimmenu_T *)); /* Call-back routine */ 2191 #endif 2192 #ifdef FEAT_TOOLBAR 2193 char_u *iconfile; /* name of file for icon or NULL */ 2194 int iconidx; /* icon index (-1 if not set) */ 2195 int icon_builtin; /* icon names is BuiltIn{nr} */ 2196 #endif 2197 char_u *strings[MENU_MODES]; /* Mapped string for each mode */ 2198 int noremap[MENU_MODES]; /* A REMAP_ flag for each mode */ 2199 char silent[MENU_MODES]; /* A silent flag for each mode */ 2200 vimmenu_T *children; /* Children of sub-menu */ 2201 vimmenu_T *parent; /* Parent of menu */ 2202 vimmenu_T *next; /* Next item in menu */ 2203 #ifdef FEAT_GUI_X11 2204 Widget id; /* Manage this to enable item */ 2205 Widget submenu_id; /* If this is submenu, add children here */ 2206 #endif 2207 #ifdef FEAT_GUI_GTK 2208 GtkWidget *id; /* Manage this to enable item */ 2209 GtkWidget *submenu_id; /* If this is submenu, add children here */ 2210 GtkWidget *tearoff_handle; 2211 GtkWidget *label; /* Used by "set wak=" code. */ 2212 #endif 2213 #ifdef FEAT_GUI_MOTIF 2214 int sensitive; /* turn button on/off */ 2215 char **xpm; /* pixmap data */ 2216 char *xpm_fname; /* file with pixmap data */ 2217 #endif 2218 #ifdef FEAT_GUI_ATHENA 2219 Pixmap image; /* Toolbar image */ 2220 #endif 2221 #ifdef FEAT_BEVAL_TIP 2222 BalloonEval *tip; /* tooltip for this menu item */ 2223 #endif 2224 #ifdef FEAT_GUI_W16 2225 UINT id; /* Id of menu item */ 2226 HMENU submenu_id; /* If this is submenu, add children here */ 2227 #endif 2228 #ifdef FEAT_GUI_W32 2229 UINT id; /* Id of menu item */ 2230 HMENU submenu_id; /* If this is submenu, add children here */ 2231 HWND tearoff_handle; /* hWnd of tearoff if created */ 2232 #endif 2233 #ifdef FEAT_GUI_MAC 2234 /* MenuHandle id; */ 2235 /* short index; */ /* the item index within the father menu */ 2236 short menu_id; /* the menu id to which this item belong */ 2237 short submenu_id; /* the menu id of the children (could be 2238 get throught some tricks) */ 2239 MenuHandle menu_handle; 2240 MenuHandle submenu_handle; 2241 #endif 2242 #ifdef RISCOS 2243 int *id; /* Not used, but gui.c needs it */ 2244 int greyed_out; /* Flag */ 2245 int hidden; 2246 #endif 2247 #ifdef FEAT_GUI_PHOTON 2248 PtWidget_t *id; 2249 PtWidget_t *submenu_id; 2250 #endif 2251 }; 2252 #else 2253 /* For generating prototypes when FEAT_MENU isn't defined. */ 2254 typedef int vimmenu_T; 2255 2256 #endif /* FEAT_MENU */ 2257 2258 /* 2259 * Struct to save values in before executing autocommands for a buffer that is 2260 * not the current buffer. Without FEAT_AUTOCMD only "curbuf" is remembered. 2261 */ 2262 typedef struct 2263 { 2264 buf_T *save_buf; /* saved curbuf */ 2265 #ifdef FEAT_AUTOCMD 2266 buf_T *new_curbuf; /* buffer to be used */ 2267 win_T *save_curwin; /* saved curwin, NULL if it didn't change */ 2268 win_T *new_curwin; /* new curwin if save_curwin != NULL */ 2269 pos_T save_cursor; /* saved cursor pos of save_curwin */ 2270 linenr_T save_topline; /* saved topline of save_curwin */ 2271 # ifdef FEAT_DIFF 2272 int save_topfill; /* saved topfill of save_curwin */ 2273 # endif 2274 #endif 2275 } aco_save_T; 2276 2277 /* 2278 * Generic option table item, only used for printer at the moment. 2279 */ 2280 typedef struct 2281 { 2282 const char *name; 2283 int hasnum; 2284 long number; 2285 char_u *string; /* points into option string */ 2286 int strlen; 2287 int present; 2288 } option_table_T; 2289 2290 /* 2291 * Structure to hold printing color and font attributes. 2292 */ 2293 typedef struct 2294 { 2295 long_u fg_color; 2296 long_u bg_color; 2297 int bold; 2298 int italic; 2299 int underline; 2300 int undercurl; 2301 } prt_text_attr_T; 2302 2303 /* 2304 * Structure passed back to the generic printer code. 2305 */ 2306 typedef struct 2307 { 2308 int n_collated_copies; 2309 int n_uncollated_copies; 2310 int duplex; 2311 int chars_per_line; 2312 int lines_per_page; 2313 int has_color; 2314 prt_text_attr_T number; 2315 #ifdef FEAT_SYN_HL 2316 int modec; 2317 int do_syntax; 2318 #endif 2319 int user_abort; 2320 char_u *jobname; 2321 #ifdef FEAT_POSTSCRIPT 2322 char_u *outfile; 2323 char_u *arguments; 2324 #endif 2325 } prt_settings_T; 2326 2327 #define PRINT_NUMBER_WIDTH 8 2328 2329 /* 2330 * Used for popup menu items. 2331 */ 2332 typedef struct 2333 { 2334 char_u *pum_text; /* main menu text */ 2335 char_u *pum_kind; /* extra kind text (may be truncated) */ 2336 char_u *pum_extra; /* extra menu text (may be truncated) */ 2337 char_u *pum_info; /* extra info */ 2338 } pumitem_T; 2339 2340 /* 2341 * Structure used for get_tagfname(). 2342 */ 2343 typedef struct 2344 { 2345 char_u *tn_tags; /* value of 'tags' when starting */ 2346 char_u *tn_np; /* current position in tn_tags */ 2347 int tn_did_filefind_init; 2348 int tn_hf_idx; 2349 void *tn_search_ctx; 2350 } tagname_T; 2351 2352 /* 2353 * Array indexes used for cptext argument of ins_compl_add(). 2354 */ 2355 #define CPT_ABBR 0 /* "abbr" */ 2356 #define CPT_MENU 1 /* "menu" */ 2357 #define CPT_KIND 2 /* "kind" */ 2358 #define CPT_INFO 3 /* "info" */ 2359 #define CPT_COUNT 4 /* Number of entries */ 2360