diff options
Diffstat (limited to 'src/nvim/quickfix.c')
| -rw-r--r-- | src/nvim/quickfix.c | 3688 |
1 files changed, 3688 insertions, 0 deletions
diff --git a/src/nvim/quickfix.c b/src/nvim/quickfix.c new file mode 100644 index 0000000000..94b2b05501 --- /dev/null +++ b/src/nvim/quickfix.c @@ -0,0 +1,3688 @@ +/* + * 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. + * See README.txt for an overview of the Vim source code. + */ + +/* + * quickfix.c: functions for quickfix mode, using a file with error messages + */ + +#include <string.h> + +#include "vim.h" +#include "quickfix.h" +#include "buffer.h" +#include "charset.h" +#include "edit.h" +#include "eval.h" +#include "ex_cmds.h" +#include "ex_cmds2.h" +#include "ex_docmd.h" +#include "ex_eval.h" +#include "ex_getln.h" +#include "fileio.h" +#include "fold.h" +#include "mark.h" +#include "mbyte.h" +#include "memline.h" +#include "message.h" +#include "misc1.h" +#include "misc2.h" +#include "memory.h" +#include "move.h" +#include "normal.h" +#include "option.h" +#include "os_unix.h" +#include "path.h" +#include "regexp.h" +#include "screen.h" +#include "search.h" +#include "term.h" +#include "ui.h" +#include "window.h" +#include "os/os.h" + + +struct dir_stack_T { + struct dir_stack_T *next; + char_u *dirname; +}; + +static struct dir_stack_T *dir_stack = NULL; + +/* + * For each error the next struct is allocated and linked in a list. + */ +typedef struct qfline_S qfline_T; +struct qfline_S { + qfline_T *qf_next; /* pointer to next error in the list */ + qfline_T *qf_prev; /* pointer to previous error in the list */ + linenr_T qf_lnum; /* line number where the error occurred */ + int qf_fnum; /* file number for the line */ + int qf_col; /* column where the error occurred */ + int qf_nr; /* error number */ + char_u *qf_pattern; /* search pattern for the error */ + char_u *qf_text; /* description of the error */ + char_u qf_viscol; /* set to TRUE if qf_col is screen column */ + char_u qf_cleared; /* set to TRUE if line has been deleted */ + char_u qf_type; /* type of the error (mostly 'E'); 1 for + :helpgrep */ + char_u qf_valid; /* valid error message detected */ +}; + +/* + * There is a stack of error lists. + */ +#define LISTCOUNT 10 + +typedef struct qf_list_S { + qfline_T *qf_start; /* pointer to the first error */ + qfline_T *qf_ptr; /* pointer to the current error */ + int qf_count; /* number of errors (0 means no error list) */ + int qf_index; /* current index in the error list */ + int qf_nonevalid; /* TRUE if not a single valid entry found */ + char_u *qf_title; /* title derived from the command that created + * the error list */ +} qf_list_T; + +struct qf_info_S { + /* + * Count of references to this list. Used only for location lists. + * When a location list window reference this list, qf_refcount + * will be 2. Otherwise, qf_refcount will be 1. When qf_refcount + * reaches 0, the list is freed. + */ + int qf_refcount; + int qf_listcount; /* current number of lists */ + int qf_curlist; /* current error list */ + qf_list_T qf_lists[LISTCOUNT]; +}; + +static qf_info_T ql_info; /* global quickfix list */ + +#define FMT_PATTERNS 10 /* maximum number of % recognized */ + +/* + * Structure used to hold the info of one part of 'errorformat' + */ +typedef struct efm_S efm_T; +struct efm_S { + regprog_T *prog; /* pre-formatted part of 'errorformat' */ + efm_T *next; /* pointer to next (NULL if last) */ + char_u addr[FMT_PATTERNS]; /* indices of used % patterns */ + char_u prefix; /* prefix of this format line: */ + /* 'D' enter directory */ + /* 'X' leave directory */ + /* 'A' start of multi-line message */ + /* 'E' error message */ + /* 'W' warning message */ + /* 'I' informational message */ + /* 'C' continuation line */ + /* 'Z' end of multi-line message */ + /* 'G' general, unspecific message */ + /* 'P' push file (partial) message */ + /* 'Q' pop/quit file (partial) message */ + /* 'O' overread (partial) message */ + char_u flags; /* additional flags given in prefix */ + /* '-' do not include this line */ + /* '+' include whole line in message */ + int conthere; /* %> used */ +}; + +static int qf_init_ext(qf_info_T *qi, char_u *efile, buf_T *buf, + typval_T *tv, char_u *errorformat, int newlist, + linenr_T lnumfirst, + linenr_T lnumlast, + char_u *qf_title); +static void qf_new_list(qf_info_T *qi, char_u *qf_title); +static void ll_free_all(qf_info_T **pqi); +static int qf_add_entry(qf_info_T *qi, qfline_T **prevp, char_u *dir, + char_u *fname, int bufnum, char_u *mesg, + long lnum, int col, int vis_col, + char_u *pattern, int nr, int type, + int valid); +static qf_info_T *ll_new_list(void); +static void qf_msg(qf_info_T *qi); +static void qf_free(qf_info_T *qi, int idx); +static char_u *qf_types(int, int); +static int qf_get_fnum(char_u *, char_u *); +static char_u *qf_push_dir(char_u *, struct dir_stack_T **); +static char_u *qf_pop_dir(struct dir_stack_T **); +static char_u *qf_guess_filepath(char_u *); +static void qf_fmt_text(char_u *text, char_u *buf, int bufsize); +static void qf_clean_dir_stack(struct dir_stack_T **); +static int qf_win_pos_update(qf_info_T *qi, int old_qf_index); +static int is_qf_win(win_T *win, qf_info_T *qi); +static win_T *qf_find_win(qf_info_T *qi); +static buf_T *qf_find_buf(qf_info_T *qi); +static void qf_update_buffer(qf_info_T *qi); +static void qf_set_title(qf_info_T *qi); +static void qf_fill_buffer(qf_info_T *qi); +static char_u *get_mef_name(void); +static void restore_start_dir(char_u *dirname_start); +static buf_T *load_dummy_buffer(char_u *fname, char_u *dirname_start, + char_u *resulting_dir); +static void wipe_dummy_buffer(buf_T *buf, char_u *dirname_start); +static void unload_dummy_buffer(buf_T *buf, char_u *dirname_start); +static qf_info_T *ll_get_or_alloc_list(win_T *); + +/* Quickfix window check helper macro */ +#define IS_QF_WINDOW(wp) (bt_quickfix(wp->w_buffer) && wp->w_llist_ref == NULL) +/* Location list window check helper macro */ +#define IS_LL_WINDOW(wp) (bt_quickfix(wp->w_buffer) && wp->w_llist_ref != NULL) +/* + * Return location list for window 'wp' + * For location list window, return the referenced location list + */ +#define GET_LOC_LIST(wp) (IS_LL_WINDOW(wp) ? wp->w_llist_ref : wp->w_llist) + +/* + * Read the errorfile "efile" into memory, line by line, building the error + * list. Set the error list's title to qf_title. + * Return -1 for error, number of errors for success. + */ +int +qf_init ( + win_T *wp, + char_u *efile, + char_u *errorformat, + int newlist, /* TRUE: start a new error list */ + char_u *qf_title +) +{ + qf_info_T *qi = &ql_info; + + if (efile == NULL) + return FAIL; + + if (wp != NULL) { + qi = ll_get_or_alloc_list(wp); + } + + return qf_init_ext(qi, efile, curbuf, NULL, errorformat, newlist, + (linenr_T)0, (linenr_T)0, + qf_title); +} + +/* + * Read the errorfile "efile" into memory, line by line, building the error + * list. + * Alternative: when "efile" is null read errors from buffer "buf". + * Always use 'errorformat' from "buf" if there is a local value. + * Then "lnumfirst" and "lnumlast" specify the range of lines to use. + * Set the title of the list to "qf_title". + * Return -1 for error, number of errors for success. + */ +static int +qf_init_ext ( + qf_info_T *qi, + char_u *efile, + buf_T *buf, + typval_T *tv, + char_u *errorformat, + int newlist, /* TRUE: start a new error list */ + linenr_T lnumfirst, /* first line number to use */ + linenr_T lnumlast, /* last line number to use */ + char_u *qf_title +) +{ + char_u *namebuf; + char_u *errmsg; + char_u *pattern; + char_u *fmtstr = NULL; + int col = 0; + char_u use_viscol = FALSE; + int type = 0; + int valid; + linenr_T buflnum = lnumfirst; + long lnum = 0L; + int enr = 0; + FILE *fd = NULL; + qfline_T *qfprev = NULL; /* init to make SASC shut up */ + char_u *efmp; + efm_T *fmt_first = NULL; + efm_T *fmt_last = NULL; + efm_T *fmt_ptr; + efm_T *fmt_start = NULL; + char_u *efm; + char_u *ptr; + char_u *srcptr; + int len; + int i; + int round; + int idx = 0; + int multiline = FALSE; + int multiignore = FALSE; + int multiscan = FALSE; + int retval = -1; /* default: return error flag */ + char_u *directory = NULL; + char_u *currfile = NULL; + char_u *tail = NULL; + char_u *p_str = NULL; + listitem_T *p_li = NULL; + struct dir_stack_T *file_stack = NULL; + regmatch_T regmatch; + static struct fmtpattern { + char_u convchar; + char *pattern; + } fmt_pat[FMT_PATTERNS] = + { + {'f', ".\\+"}, /* only used when at end */ + {'n', "\\d\\+"}, + {'l', "\\d\\+"}, + {'c', "\\d\\+"}, + {'t', "."}, + {'m', ".\\+"}, + {'r', ".*"}, + {'p', "[- .]*"}, + {'v', "\\d\\+"}, + {'s', ".\\+"} + }; + + namebuf = alloc(CMDBUFFSIZE + 1); + errmsg = alloc(CMDBUFFSIZE + 1); + pattern = alloc(CMDBUFFSIZE + 1); + + if (efile != NULL && (fd = mch_fopen((char *)efile, "r")) == NULL) { + EMSG2(_(e_openerrf), efile); + goto qf_init_end; + } + + if (newlist || qi->qf_curlist == qi->qf_listcount) + /* make place for a new list */ + qf_new_list(qi, qf_title); + else if (qi->qf_lists[qi->qf_curlist].qf_count > 0) + /* Adding to existing list, find last entry. */ + for (qfprev = qi->qf_lists[qi->qf_curlist].qf_start; + qfprev->qf_next != qfprev; qfprev = qfprev->qf_next) + ; + + /* + * Each part of the format string is copied and modified from errorformat to + * regex prog. Only a few % characters are allowed. + */ + /* Use the local value of 'errorformat' if it's set. */ + if (errorformat == p_efm && tv == NULL && *buf->b_p_efm != NUL) + efm = buf->b_p_efm; + else + efm = errorformat; + /* + * Get some space to modify the format string into. + */ + i = 3 * FMT_PATTERNS + 4 * (int)STRLEN(efm); + for (round = FMT_PATTERNS; round > 0; ) + i += (int)STRLEN(fmt_pat[--round].pattern); +#ifdef COLON_IN_FILENAME + i += 12; /* "%f" can become twelve chars longer */ +#else + i += 2; /* "%f" can become two chars longer */ +#endif + fmtstr = alloc(i); + + while (efm[0] != NUL) { + /* + * Allocate a new eformat structure and put it at the end of the list + */ + fmt_ptr = xcalloc(1, sizeof(efm_T)); + if (fmt_first == NULL) /* first one */ + fmt_first = fmt_ptr; + else + fmt_last->next = fmt_ptr; + fmt_last = fmt_ptr; + + /* + * Isolate one part in the 'errorformat' option + */ + for (len = 0; efm[len] != NUL && efm[len] != ','; ++len) + if (efm[len] == '\\' && efm[len + 1] != NUL) + ++len; + + /* + * Build regexp pattern from current 'errorformat' option + */ + ptr = fmtstr; + *ptr++ = '^'; + round = 0; + for (efmp = efm; efmp < efm + len; ++efmp) { + if (*efmp == '%') { + ++efmp; + for (idx = 0; idx < FMT_PATTERNS; ++idx) + if (fmt_pat[idx].convchar == *efmp) + break; + if (idx < FMT_PATTERNS) { + if (fmt_ptr->addr[idx]) { + sprintf((char *)errmsg, + _("E372: Too many %%%c in format string"), *efmp); + EMSG(errmsg); + goto error2; + } + if ((idx + && idx < 6 + && vim_strchr((char_u *)"DXOPQ", + fmt_ptr->prefix) != NULL) + || (idx == 6 + && vim_strchr((char_u *)"OPQ", + fmt_ptr->prefix) == NULL)) { + sprintf((char *)errmsg, + _("E373: Unexpected %%%c in format string"), *efmp); + EMSG(errmsg); + goto error2; + } + fmt_ptr->addr[idx] = (char_u)++ round; + *ptr++ = '\\'; + *ptr++ = '('; +#ifdef BACKSLASH_IN_FILENAME + if (*efmp == 'f') { + /* Also match "c:" in the file name, even when + * checking for a colon next: "%f:". + * "\%(\a:\)\=" */ + STRCPY(ptr, "\\%(\\a:\\)\\="); + ptr += 10; + } +#endif + if (*efmp == 'f' && efmp[1] != NUL) { + if (efmp[1] != '\\' && efmp[1] != '%') { + /* A file name may contain spaces, but this isn't + * in "\f". For "%f:%l:%m" there may be a ":" in + * the file name. Use ".\{-1,}x" instead (x is + * the next character), the requirement that :999: + * follows should work. */ + STRCPY(ptr, ".\\{-1,}"); + ptr += 7; + } else { + /* File name followed by '\\' or '%': include as + * many file name chars as possible. */ + STRCPY(ptr, "\\f\\+"); + ptr += 4; + } + } else { + srcptr = (char_u *)fmt_pat[idx].pattern; + while ((*ptr = *srcptr++) != NUL) + ++ptr; + } + *ptr++ = '\\'; + *ptr++ = ')'; + } else if (*efmp == '*') { + if (*++efmp == '[' || *efmp == '\\') { + if ((*ptr++ = *efmp) == '[') { /* %*[^a-z0-9] etc. */ + if (efmp[1] == '^') + *ptr++ = *++efmp; + if (efmp < efm + len) { + *ptr++ = *++efmp; /* could be ']' */ + while (efmp < efm + len + && (*ptr++ = *++efmp) != ']') + /* skip */; + if (efmp == efm + len) { + EMSG(_("E374: Missing ] in format string")); + goto error2; + } + } + } else if (efmp < efm + len) /* %*\D, %*\s etc. */ + *ptr++ = *++efmp; + *ptr++ = '\\'; + *ptr++ = '+'; + } else { + /* TODO: scanf()-like: %*ud, %*3c, %*f, ... ? */ + sprintf((char *)errmsg, + _("E375: Unsupported %%%c in format string"), *efmp); + EMSG(errmsg); + goto error2; + } + } else if (vim_strchr((char_u *)"%\\.^$~[", *efmp) != NULL) + *ptr++ = *efmp; /* regexp magic characters */ + else if (*efmp == '#') + *ptr++ = '*'; + else if (*efmp == '>') + fmt_ptr->conthere = TRUE; + else if (efmp == efm + 1) { /* analyse prefix */ + if (vim_strchr((char_u *)"+-", *efmp) != NULL) + fmt_ptr->flags = *efmp++; + if (vim_strchr((char_u *)"DXAEWICZGOPQ", *efmp) != NULL) + fmt_ptr->prefix = *efmp; + else { + sprintf((char *)errmsg, + _("E376: Invalid %%%c in format string prefix"), *efmp); + EMSG(errmsg); + goto error2; + } + } else { + sprintf((char *)errmsg, + _("E377: Invalid %%%c in format string"), *efmp); + EMSG(errmsg); + goto error2; + } + } else { /* copy normal character */ + if (*efmp == '\\' && efmp + 1 < efm + len) + ++efmp; + else if (vim_strchr((char_u *)".*^$~[", *efmp) != NULL) + *ptr++ = '\\'; /* escape regexp atoms */ + if (*efmp) + *ptr++ = *efmp; + } + } + *ptr++ = '$'; + *ptr = NUL; + if ((fmt_ptr->prog = vim_regcomp(fmtstr, RE_MAGIC + RE_STRING)) == NULL) + goto error2; + /* + * Advance to next part + */ + efm = skip_to_option_part(efm + len); /* skip comma and spaces */ + } + if (fmt_first == NULL) { /* nothing found */ + EMSG(_("E378: 'errorformat' contains no pattern")); + goto error2; + } + + /* + * got_int is reset here, because it was probably set when killing the + * ":make" command, but we still want to read the errorfile then. + */ + got_int = FALSE; + + /* Always ignore case when looking for a matching error. */ + regmatch.rm_ic = TRUE; + + if (tv != NULL) { + if (tv->v_type == VAR_STRING) + p_str = tv->vval.v_string; + else if (tv->v_type == VAR_LIST) + p_li = tv->vval.v_list->lv_first; + } + + /* + * Read the lines in the error file one by one. + * Try to recognize one of the error formats in each line. + */ + while (!got_int) { + /* Get the next line. */ + if (fd == NULL) { + if (tv != NULL) { + if (tv->v_type == VAR_STRING) { + /* Get the next line from the supplied string */ + char_u *p; + + if (!*p_str) /* Reached the end of the string */ + break; + + p = vim_strchr(p_str, '\n'); + if (p) + len = (int)(p - p_str + 1); + else + len = (int)STRLEN(p_str); + + if (len > CMDBUFFSIZE - 2) + vim_strncpy(IObuff, p_str, CMDBUFFSIZE - 2); + else + vim_strncpy(IObuff, p_str, len); + + p_str += len; + } else if (tv->v_type == VAR_LIST) { + /* Get the next line from the supplied list */ + while (p_li && p_li->li_tv.v_type != VAR_STRING) + p_li = p_li->li_next; /* Skip non-string items */ + + if (!p_li) /* End of the list */ + break; + + len = (int)STRLEN(p_li->li_tv.vval.v_string); + if (len > CMDBUFFSIZE - 2) + len = CMDBUFFSIZE - 2; + + vim_strncpy(IObuff, p_li->li_tv.vval.v_string, len); + + p_li = p_li->li_next; /* next item */ + } + } else { + /* Get the next line from the supplied buffer */ + if (buflnum > lnumlast) + break; + vim_strncpy(IObuff, ml_get_buf(buf, buflnum++, FALSE), + CMDBUFFSIZE - 2); + } + } else if (fgets((char *)IObuff, CMDBUFFSIZE - 2, fd) == NULL) + break; + + IObuff[CMDBUFFSIZE - 2] = NUL; /* for very long lines */ + remove_bom(IObuff); + + if ((efmp = vim_strrchr(IObuff, '\n')) != NULL) + *efmp = NUL; +#ifdef USE_CRNL + if ((efmp = vim_strrchr(IObuff, '\r')) != NULL) + *efmp = NUL; +#endif + + /* If there was no %> item start at the first pattern */ + if (fmt_start == NULL) + fmt_ptr = fmt_first; + else { + fmt_ptr = fmt_start; + fmt_start = NULL; + } + + /* + * Try to match each part of 'errorformat' until we find a complete + * match or no match. + */ + valid = TRUE; +restofline: + for (; fmt_ptr != NULL; fmt_ptr = fmt_ptr->next) { + idx = fmt_ptr->prefix; + if (multiscan && vim_strchr((char_u *)"OPQ", idx) == NULL) + continue; + namebuf[0] = NUL; + pattern[0] = NUL; + if (!multiscan) + errmsg[0] = NUL; + lnum = 0; + col = 0; + use_viscol = FALSE; + enr = -1; + type = 0; + tail = NULL; + + regmatch.regprog = fmt_ptr->prog; + if (vim_regexec(®match, IObuff, (colnr_T)0)) { + if ((idx == 'C' || idx == 'Z') && !multiline) + continue; + if (vim_strchr((char_u *)"EWI", idx) != NULL) + type = idx; + else + type = 0; + /* + * Extract error message data from matched line. + * We check for an actual submatch, because "\[" and "\]" in + * the 'errorformat' may cause the wrong submatch to be used. + */ + if ((i = (int)fmt_ptr->addr[0]) > 0) { /* %f */ + int c; + + if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL) + continue; + + /* Expand ~/file and $HOME/file to full path. */ + c = *regmatch.endp[i]; + *regmatch.endp[i] = NUL; + expand_env(regmatch.startp[i], namebuf, CMDBUFFSIZE); + *regmatch.endp[i] = c; + + if (vim_strchr((char_u *)"OPQ", idx) != NULL + && !os_file_exists(namebuf)) + continue; + } + if ((i = (int)fmt_ptr->addr[1]) > 0) { /* %n */ + if (regmatch.startp[i] == NULL) + continue; + enr = (int)atol((char *)regmatch.startp[i]); + } + if ((i = (int)fmt_ptr->addr[2]) > 0) { /* %l */ + if (regmatch.startp[i] == NULL) + continue; + lnum = atol((char *)regmatch.startp[i]); + } + if ((i = (int)fmt_ptr->addr[3]) > 0) { /* %c */ + if (regmatch.startp[i] == NULL) + continue; + col = (int)atol((char *)regmatch.startp[i]); + } + if ((i = (int)fmt_ptr->addr[4]) > 0) { /* %t */ + if (regmatch.startp[i] == NULL) + continue; + type = *regmatch.startp[i]; + } + if (fmt_ptr->flags == '+' && !multiscan) /* %+ */ + STRCPY(errmsg, IObuff); + else if ((i = (int)fmt_ptr->addr[5]) > 0) { /* %m */ + if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL) + continue; + len = (int)(regmatch.endp[i] - regmatch.startp[i]); + vim_strncpy(errmsg, regmatch.startp[i], len); + } + if ((i = (int)fmt_ptr->addr[6]) > 0) { /* %r */ + if (regmatch.startp[i] == NULL) + continue; + tail = regmatch.startp[i]; + } + if ((i = (int)fmt_ptr->addr[7]) > 0) { /* %p */ + char_u *match_ptr; + + if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL) + continue; + col = 0; + for (match_ptr = regmatch.startp[i]; + match_ptr != regmatch.endp[i]; ++match_ptr) { + ++col; + if (*match_ptr == TAB) { + col += 7; + col -= col % 8; + } + } + ++col; + use_viscol = TRUE; + } + if ((i = (int)fmt_ptr->addr[8]) > 0) { /* %v */ + if (regmatch.startp[i] == NULL) + continue; + col = (int)atol((char *)regmatch.startp[i]); + use_viscol = TRUE; + } + if ((i = (int)fmt_ptr->addr[9]) > 0) { /* %s */ + if (regmatch.startp[i] == NULL || regmatch.endp[i] == NULL) + continue; + len = (int)(regmatch.endp[i] - regmatch.startp[i]); + if (len > CMDBUFFSIZE - 5) + len = CMDBUFFSIZE - 5; + STRCPY(pattern, "^\\V"); + STRNCAT(pattern, regmatch.startp[i], len); + pattern[len + 3] = '\\'; + pattern[len + 4] = '$'; + pattern[len + 5] = NUL; + } + break; + } + } + multiscan = FALSE; + + if (fmt_ptr == NULL || idx == 'D' || idx == 'X') { + if (fmt_ptr != NULL) { + if (idx == 'D') { /* enter directory */ + if (*namebuf == NUL) { + EMSG(_("E379: Missing or empty directory name")); + goto error2; + } + if ((directory = qf_push_dir(namebuf, &dir_stack)) == NULL) + goto error2; + } else if (idx == 'X') /* leave directory */ + directory = qf_pop_dir(&dir_stack); + } + namebuf[0] = NUL; /* no match found, remove file name */ + lnum = 0; /* don't jump to this line */ + valid = FALSE; + STRCPY(errmsg, IObuff); /* copy whole line to error message */ + if (fmt_ptr == NULL) + multiline = multiignore = FALSE; + } else if (fmt_ptr != NULL) { + /* honor %> item */ + if (fmt_ptr->conthere) + fmt_start = fmt_ptr; + + if (vim_strchr((char_u *)"AEWI", idx) != NULL) { + multiline = TRUE; /* start of a multi-line message */ + multiignore = FALSE; /* reset continuation */ + } else if (vim_strchr((char_u *)"CZ", idx) + != NULL) { /* continuation of multi-line msg */ + if (qfprev == NULL) + goto error2; + if (*errmsg && !multiignore) { + len = (int)STRLEN(qfprev->qf_text); + ptr = alloc((unsigned)(len + STRLEN(errmsg) + 2)); + STRCPY(ptr, qfprev->qf_text); + free(qfprev->qf_text); + qfprev->qf_text = ptr; + *(ptr += len) = '\n'; + STRCPY(++ptr, errmsg); + } + if (qfprev->qf_nr == -1) + qfprev->qf_nr = enr; + if (vim_isprintc(type) && !qfprev->qf_type) + qfprev->qf_type = type; /* only printable chars allowed */ + if (!qfprev->qf_lnum) + qfprev->qf_lnum = lnum; + if (!qfprev->qf_col) + qfprev->qf_col = col; + qfprev->qf_viscol = use_viscol; + if (!qfprev->qf_fnum) + qfprev->qf_fnum = qf_get_fnum(directory, + *namebuf || directory ? namebuf + : currfile && valid ? currfile : 0); + if (idx == 'Z') + multiline = multiignore = FALSE; + line_breakcheck(); + continue; + } else if (vim_strchr((char_u *)"OPQ", idx) != NULL) { + /* global file names */ + valid = FALSE; + if (*namebuf == NUL || os_file_exists(namebuf)) { + if (*namebuf && idx == 'P') + currfile = qf_push_dir(namebuf, &file_stack); + else if (idx == 'Q') + currfile = qf_pop_dir(&file_stack); + *namebuf = NUL; + if (tail && *tail) { + STRMOVE(IObuff, skipwhite(tail)); + multiscan = TRUE; + goto restofline; + } + } + } + if (fmt_ptr->flags == '-') { /* generally exclude this line */ + if (multiline) + multiignore = TRUE; /* also exclude continuation lines */ + continue; + } + } + + if (qf_add_entry(qi, &qfprev, + directory, + (*namebuf || directory) + ? namebuf + : ((currfile && valid) ? currfile : (char_u *)NULL), + 0, + errmsg, + lnum, + col, + use_viscol, + pattern, + enr, + type, + valid) == FAIL) + goto error2; + line_breakcheck(); + } + if (fd == NULL || !ferror(fd)) { + if (qi->qf_lists[qi->qf_curlist].qf_index == 0) { + /* no valid entry found */ + qi->qf_lists[qi->qf_curlist].qf_ptr = + qi->qf_lists[qi->qf_curlist].qf_start; + qi->qf_lists[qi->qf_curlist].qf_index = 1; + qi->qf_lists[qi->qf_curlist].qf_nonevalid = TRUE; + } else { + qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE; + if (qi->qf_lists[qi->qf_curlist].qf_ptr == NULL) + qi->qf_lists[qi->qf_curlist].qf_ptr = + qi->qf_lists[qi->qf_curlist].qf_start; + } + /* return number of matches */ + retval = qi->qf_lists[qi->qf_curlist].qf_count; + goto qf_init_ok; + } + EMSG(_(e_readerrf)); +error2: + qf_free(qi, qi->qf_curlist); + qi->qf_listcount--; + if (qi->qf_curlist > 0) + --qi->qf_curlist; +qf_init_ok: + if (fd != NULL) + fclose(fd); + for (fmt_ptr = fmt_first; fmt_ptr != NULL; fmt_ptr = fmt_first) { + fmt_first = fmt_ptr->next; + vim_regfree(fmt_ptr->prog); + free(fmt_ptr); + } + qf_clean_dir_stack(&dir_stack); + qf_clean_dir_stack(&file_stack); +qf_init_end: + free(namebuf); + free(errmsg); + free(pattern); + free(fmtstr); + + qf_update_buffer(qi); + + return retval; +} + +/* + * Prepare for adding a new quickfix list. + */ +static void qf_new_list(qf_info_T *qi, char_u *qf_title) +{ + int i; + + /* + * If the current entry is not the last entry, delete entries below + * the current entry. This makes it possible to browse in a tree-like + * way with ":grep'. + */ + while (qi->qf_listcount > qi->qf_curlist + 1) + qf_free(qi, --qi->qf_listcount); + + /* + * When the stack is full, remove to oldest entry + * Otherwise, add a new entry. + */ + if (qi->qf_listcount == LISTCOUNT) { + qf_free(qi, 0); + for (i = 1; i < LISTCOUNT; ++i) + qi->qf_lists[i - 1] = qi->qf_lists[i]; + qi->qf_curlist = LISTCOUNT - 1; + } else + qi->qf_curlist = qi->qf_listcount++; + memset(&qi->qf_lists[qi->qf_curlist], 0, (size_t)(sizeof(qf_list_T))); + if (qf_title != NULL) { + char_u *p = alloc((int)STRLEN(qf_title) + 2); + + qi->qf_lists[qi->qf_curlist].qf_title = p; + sprintf((char *)p, ":%s", (char *)qf_title); + } +} + +/* + * Free a location list + */ +static void ll_free_all(qf_info_T **pqi) +{ + int i; + qf_info_T *qi; + + qi = *pqi; + if (qi == NULL) + return; + *pqi = NULL; /* Remove reference to this list */ + + qi->qf_refcount--; + if (qi->qf_refcount < 1) { + /* No references to this location list */ + for (i = 0; i < qi->qf_listcount; ++i) + qf_free(qi, i); + free(qi); + } +} + +void qf_free_all(win_T *wp) +{ + int i; + qf_info_T *qi = &ql_info; + + if (wp != NULL) { + /* location list */ + ll_free_all(&wp->w_llist); + ll_free_all(&wp->w_llist_ref); + } else + /* quickfix list */ + for (i = 0; i < qi->qf_listcount; ++i) + qf_free(qi, i); +} + +/* + * Add an entry to the end of the list of errors. + * Returns OK or FAIL. + */ +static int +qf_add_entry ( + qf_info_T *qi, /* quickfix list */ + qfline_T **prevp, /* pointer to previously added entry or NULL */ + char_u *dir, /* optional directory name */ + char_u *fname, /* file name or NULL */ + int bufnum, /* buffer number or zero */ + char_u *mesg, /* message */ + long lnum, /* line number */ + int col, /* column */ + int vis_col, /* using visual column */ + char_u *pattern, /* search pattern */ + int nr, /* error number */ + int type, /* type character */ + int valid /* valid entry */ +) +{ + qfline_T *qfp; + + qfp = (qfline_T *)alloc((unsigned)sizeof(qfline_T)); + + if (bufnum != 0) + qfp->qf_fnum = bufnum; + else + qfp->qf_fnum = qf_get_fnum(dir, fname); + if ((qfp->qf_text = vim_strsave(mesg)) == NULL) { + free(qfp); + return FAIL; + } + qfp->qf_lnum = lnum; + qfp->qf_col = col; + qfp->qf_viscol = vis_col; + if (pattern == NULL || *pattern == NUL) + qfp->qf_pattern = NULL; + else if ((qfp->qf_pattern = vim_strsave(pattern)) == NULL) { + free(qfp->qf_text); + free(qfp); + return FAIL; + } + qfp->qf_nr = nr; + if (type != 1 && !vim_isprintc(type)) /* only printable chars allowed */ + type = 0; + qfp->qf_type = type; + qfp->qf_valid = valid; + + if (qi->qf_lists[qi->qf_curlist].qf_count == 0) { + /* first element in the list */ + qi->qf_lists[qi->qf_curlist].qf_start = qfp; + qfp->qf_prev = qfp; /* first element points to itself */ + } else { + qfp->qf_prev = *prevp; + (*prevp)->qf_next = qfp; + } + qfp->qf_next = qfp; /* last element points to itself */ + qfp->qf_cleared = FALSE; + *prevp = qfp; + ++qi->qf_lists[qi->qf_curlist].qf_count; + if (qi->qf_lists[qi->qf_curlist].qf_index == 0 && qfp->qf_valid) { + /* first valid entry */ + qi->qf_lists[qi->qf_curlist].qf_index = + qi->qf_lists[qi->qf_curlist].qf_count; + qi->qf_lists[qi->qf_curlist].qf_ptr = qfp; + } + + return OK; +} + +/* + * Allocate a new location list + */ +static qf_info_T *ll_new_list(void) +{ + qf_info_T *qi = xcalloc(1, sizeof(qf_info_T)); + qi->qf_refcount++; + + return qi; +} + +/* + * Return the location list for window 'wp'. + * If not present, allocate a location list + */ +static qf_info_T *ll_get_or_alloc_list(win_T *wp) +{ + if (IS_LL_WINDOW(wp)) + /* For a location list window, use the referenced location list */ + return wp->w_llist_ref; + + /* + * For a non-location list window, w_llist_ref should not point to a + * location list. + */ + ll_free_all(&wp->w_llist_ref); + + if (wp->w_llist == NULL) + wp->w_llist = ll_new_list(); /* new location list */ + return wp->w_llist; +} + +/* + * Copy the location list from window "from" to window "to". + */ +void copy_loclist(win_T *from, win_T *to) +{ + qf_info_T *qi; + int idx; + int i; + + /* + * When copying from a location list window, copy the referenced + * location list. For other windows, copy the location list for + * that window. + */ + if (IS_LL_WINDOW(from)) + qi = from->w_llist_ref; + else + qi = from->w_llist; + + if (qi == NULL) /* no location list to copy */ + return; + + /* allocate a new location list */ + to->w_llist = ll_new_list(); + + to->w_llist->qf_listcount = qi->qf_listcount; + + /* Copy the location lists one at a time */ + for (idx = 0; idx < qi->qf_listcount; idx++) { + qf_list_T *from_qfl; + qf_list_T *to_qfl; + + to->w_llist->qf_curlist = idx; + + from_qfl = &qi->qf_lists[idx]; + to_qfl = &to->w_llist->qf_lists[idx]; + + /* Some of the fields are populated by qf_add_entry() */ + to_qfl->qf_nonevalid = from_qfl->qf_nonevalid; + to_qfl->qf_count = 0; + to_qfl->qf_index = 0; + to_qfl->qf_start = NULL; + to_qfl->qf_ptr = NULL; + if (from_qfl->qf_title != NULL) + to_qfl->qf_title = vim_strsave(from_qfl->qf_title); + else + to_qfl->qf_title = NULL; + + if (from_qfl->qf_count) { + qfline_T *from_qfp; + qfline_T *prevp = NULL; + + /* copy all the location entries in this list */ + for (i = 0, from_qfp = from_qfl->qf_start; i < from_qfl->qf_count; + ++i, from_qfp = from_qfp->qf_next) { + if (qf_add_entry(to->w_llist, &prevp, + NULL, + NULL, + 0, + from_qfp->qf_text, + from_qfp->qf_lnum, + from_qfp->qf_col, + from_qfp->qf_viscol, + from_qfp->qf_pattern, + from_qfp->qf_nr, + 0, + from_qfp->qf_valid) == FAIL) { + qf_free_all(to); + return; + } + /* + * qf_add_entry() will not set the qf_num field, as the + * directory and file names are not supplied. So the qf_fnum + * field is copied here. + */ + prevp->qf_fnum = from_qfp->qf_fnum; /* file number */ + prevp->qf_type = from_qfp->qf_type; /* error type */ + if (from_qfl->qf_ptr == from_qfp) + to_qfl->qf_ptr = prevp; /* current location */ + } + } + + to_qfl->qf_index = from_qfl->qf_index; /* current index in the list */ + + /* When no valid entries are present in the list, qf_ptr points to + * the first item in the list */ + if (to_qfl->qf_nonevalid) { + to_qfl->qf_ptr = to_qfl->qf_start; + to_qfl->qf_index = 1; + } + } + + to->w_llist->qf_curlist = qi->qf_curlist; /* current list */ +} + +/* + * get buffer number for file "dir.name" + */ +static int qf_get_fnum(char_u *directory, char_u *fname) +{ + if (fname == NULL || *fname == NUL) /* no file name */ + return 0; + { + char_u *ptr; + int fnum; + +#ifdef BACKSLASH_IN_FILENAME + if (directory != NULL) + slash_adjust(directory); + slash_adjust(fname); +#endif + if (directory != NULL && !vim_isAbsName(fname)) { + ptr = concat_fnames(directory, fname, TRUE); + /* + * Here we check if the file really exists. + * This should normally be true, but if make works without + * "leaving directory"-messages we might have missed a + * directory change. + */ + if (!os_file_exists(ptr)) { + free(ptr); + directory = qf_guess_filepath(fname); + if (directory) + ptr = concat_fnames(directory, fname, TRUE); + else + ptr = vim_strsave(fname); + } + /* Use concatenated directory name and file name */ + fnum = buflist_add(ptr, 0); + free(ptr); + return fnum; + } + return buflist_add(fname, 0); + } +} + +/* + * push dirbuf onto the directory stack and return pointer to actual dir or + * NULL on error + */ +static char_u *qf_push_dir(char_u *dirbuf, struct dir_stack_T **stackptr) +{ + struct dir_stack_T *ds_new; + struct dir_stack_T *ds_ptr; + + /* allocate new stack element and hook it in */ + ds_new = (struct dir_stack_T *)alloc((unsigned)sizeof(struct dir_stack_T)); + + ds_new->next = *stackptr; + *stackptr = ds_new; + + /* store directory on the stack */ + if (vim_isAbsName(dirbuf) + || (*stackptr)->next == NULL + || (*stackptr && dir_stack != *stackptr)) + (*stackptr)->dirname = vim_strsave(dirbuf); + else { + /* Okay we don't have an absolute path. + * dirbuf must be a subdir of one of the directories on the stack. + * Let's search... + */ + ds_new = (*stackptr)->next; + (*stackptr)->dirname = NULL; + while (ds_new) { + free((*stackptr)->dirname); + (*stackptr)->dirname = concat_fnames(ds_new->dirname, dirbuf, + TRUE); + if (os_isdir((*stackptr)->dirname)) + break; + + ds_new = ds_new->next; + } + + /* clean up all dirs we already left */ + while ((*stackptr)->next != ds_new) { + ds_ptr = (*stackptr)->next; + (*stackptr)->next = (*stackptr)->next->next; + free(ds_ptr->dirname); + free(ds_ptr); + } + + /* Nothing found -> it must be on top level */ + if (ds_new == NULL) { + free((*stackptr)->dirname); + (*stackptr)->dirname = vim_strsave(dirbuf); + } + } + + if ((*stackptr)->dirname != NULL) + return (*stackptr)->dirname; + else { + ds_ptr = *stackptr; + *stackptr = (*stackptr)->next; + free(ds_ptr); + return NULL; + } +} + + +/* + * pop dirbuf from the directory stack and return previous directory or NULL if + * stack is empty + */ +static char_u *qf_pop_dir(struct dir_stack_T **stackptr) +{ + struct dir_stack_T *ds_ptr; + + /* TODO: Should we check if dirbuf is the directory on top of the stack? + * What to do if it isn't? */ + + /* pop top element and free it */ + if (*stackptr != NULL) { + ds_ptr = *stackptr; + *stackptr = (*stackptr)->next; + free(ds_ptr->dirname); + free(ds_ptr); + } + + /* return NEW top element as current dir or NULL if stack is empty*/ + return *stackptr ? (*stackptr)->dirname : NULL; +} + +/* + * clean up directory stack + */ +static void qf_clean_dir_stack(struct dir_stack_T **stackptr) +{ + struct dir_stack_T *ds_ptr; + + while ((ds_ptr = *stackptr) != NULL) { + *stackptr = (*stackptr)->next; + free(ds_ptr->dirname); + free(ds_ptr); + } +} + +/* + * Check in which directory of the directory stack the given file can be + * found. + * Returns a pointer to the directory name or NULL if not found + * Cleans up intermediate directory entries. + * + * TODO: How to solve the following problem? + * If we have the this directory tree: + * ./ + * ./aa + * ./aa/bb + * ./bb + * ./bb/x.c + * and make says: + * making all in aa + * making all in bb + * x.c:9: Error + * Then qf_push_dir thinks we are in ./aa/bb, but we are in ./bb. + * qf_guess_filepath will return NULL. + */ +static char_u *qf_guess_filepath(char_u *filename) +{ + struct dir_stack_T *ds_ptr; + struct dir_stack_T *ds_tmp; + char_u *fullname; + + /* no dirs on the stack - there's nothing we can do */ + if (dir_stack == NULL) + return NULL; + + ds_ptr = dir_stack->next; + fullname = NULL; + while (ds_ptr) { + free(fullname); + fullname = concat_fnames(ds_ptr->dirname, filename, TRUE); + + if (os_file_exists(fullname)) + break; + + ds_ptr = ds_ptr->next; + } + + free(fullname); + + /* clean up all dirs we already left */ + while (dir_stack->next != ds_ptr) { + ds_tmp = dir_stack->next; + dir_stack->next = dir_stack->next->next; + free(ds_tmp->dirname); + free(ds_tmp); + } + + return ds_ptr==NULL ? NULL : ds_ptr->dirname; + +} + +/* + * jump to a quickfix line + * if dir == FORWARD go "errornr" valid entries forward + * if dir == BACKWARD go "errornr" valid entries backward + * if dir == FORWARD_FILE go "errornr" valid entries files backward + * if dir == BACKWARD_FILE go "errornr" valid entries files backward + * else if "errornr" is zero, redisplay the same line + * else go to entry "errornr" + */ +void qf_jump(qf_info_T *qi, int dir, int errornr, int forceit) +{ + qf_info_T *ll_ref; + qfline_T *qf_ptr; + qfline_T *old_qf_ptr; + int qf_index; + int old_qf_fnum; + int old_qf_index; + int prev_index; + static char_u *e_no_more_items = (char_u *)N_("E553: No more items"); + char_u *err = e_no_more_items; + linenr_T i; + buf_T *old_curbuf; + linenr_T old_lnum; + colnr_T screen_col; + colnr_T char_col; + char_u *line; + char_u *old_swb = p_swb; + unsigned old_swb_flags = swb_flags; + int opened_window = FALSE; + win_T *win; + win_T *altwin; + int flags; + win_T *oldwin = curwin; + int print_message = TRUE; + int len; + int old_KeyTyped = KeyTyped; /* getting file may reset it */ + int ok = OK; + int usable_win; + + if (qi == NULL) + qi = &ql_info; + + if (qi->qf_curlist >= qi->qf_listcount + || qi->qf_lists[qi->qf_curlist].qf_count == 0) { + EMSG(_(e_quickfix)); + return; + } + + qf_ptr = qi->qf_lists[qi->qf_curlist].qf_ptr; + old_qf_ptr = qf_ptr; + qf_index = qi->qf_lists[qi->qf_curlist].qf_index; + old_qf_index = qf_index; + if (dir == FORWARD || dir == FORWARD_FILE) { /* next valid entry */ + while (errornr--) { + old_qf_ptr = qf_ptr; + prev_index = qf_index; + old_qf_fnum = qf_ptr->qf_fnum; + do { + if (qf_index == qi->qf_lists[qi->qf_curlist].qf_count + || qf_ptr->qf_next == NULL) { + qf_ptr = old_qf_ptr; + qf_index = prev_index; + if (err != NULL) { + EMSG(_(err)); + goto theend; + } + errornr = 0; + break; + } + ++qf_index; + qf_ptr = qf_ptr->qf_next; + } while ((!qi->qf_lists[qi->qf_curlist].qf_nonevalid + && !qf_ptr->qf_valid) + || (dir == FORWARD_FILE && qf_ptr->qf_fnum == old_qf_fnum)); + err = NULL; + } + } else if (dir == BACKWARD || dir == BACKWARD_FILE) { /* prev. valid entry */ + while (errornr--) { + old_qf_ptr = qf_ptr; + prev_index = qf_index; + old_qf_fnum = qf_ptr->qf_fnum; + do { + if (qf_index == 1 || qf_ptr->qf_prev == NULL) { + qf_ptr = old_qf_ptr; + qf_index = prev_index; + if (err != NULL) { + EMSG(_(err)); + goto theend; + } + errornr = 0; + break; + } + --qf_index; + qf_ptr = qf_ptr->qf_prev; + } while ((!qi->qf_lists[qi->qf_curlist].qf_nonevalid + && !qf_ptr->qf_valid) + || (dir == BACKWARD_FILE && qf_ptr->qf_fnum == old_qf_fnum)); + err = NULL; + } + } else if (errornr != 0) { /* go to specified number */ + while (errornr < qf_index && qf_index > 1 && qf_ptr->qf_prev != NULL) { + --qf_index; + qf_ptr = qf_ptr->qf_prev; + } + while (errornr > qf_index && qf_index < + qi->qf_lists[qi->qf_curlist].qf_count + && qf_ptr->qf_next != NULL) { + ++qf_index; + qf_ptr = qf_ptr->qf_next; + } + } + + qi->qf_lists[qi->qf_curlist].qf_index = qf_index; + if (qf_win_pos_update(qi, old_qf_index)) + /* No need to print the error message if it's visible in the error + * window */ + print_message = FALSE; + + /* + * For ":helpgrep" find a help window or open one. + */ + if (qf_ptr->qf_type == 1 && (!curwin->w_buffer->b_help || cmdmod.tab != 0)) { + win_T *wp; + + if (cmdmod.tab != 0) + wp = NULL; + else + for (wp = firstwin; wp != NULL; wp = wp->w_next) + if (wp->w_buffer != NULL && wp->w_buffer->b_help) + break; + if (wp != NULL && wp->w_buffer->b_nwindows > 0) + win_enter(wp, TRUE); + else { + /* + * Split off help window; put it at far top if no position + * specified, the current window is vertically split and narrow. + */ + flags = WSP_HELP; + if (cmdmod.split == 0 && curwin->w_width != Columns + && curwin->w_width < 80) + flags |= WSP_TOP; + if (qi != &ql_info) + flags |= WSP_NEWLOC; /* don't copy the location list */ + + if (win_split(0, flags) == FAIL) + goto theend; + opened_window = TRUE; /* close it when fail */ + + if (curwin->w_height < p_hh) + win_setheight((int)p_hh); + + if (qi != &ql_info) { /* not a quickfix list */ + /* The new window should use the supplied location list */ + curwin->w_llist = qi; + qi->qf_refcount++; + } + } + + if (!p_im) + restart_edit = 0; /* don't want insert mode in help file */ + } + + /* + * If currently in the quickfix window, find another window to show the + * file in. + */ + if (bt_quickfix(curbuf) && !opened_window) { + win_T *usable_win_ptr = NULL; + + /* + * If there is no file specified, we don't know where to go. + * But do advance, otherwise ":cn" gets stuck. + */ + if (qf_ptr->qf_fnum == 0) + goto theend; + + usable_win = 0; + + ll_ref = curwin->w_llist_ref; + if (ll_ref != NULL) { + /* Find a window using the same location list that is not a + * quickfix window. */ + FOR_ALL_WINDOWS(usable_win_ptr) + if (usable_win_ptr->w_llist == ll_ref + && usable_win_ptr->w_buffer->b_p_bt[0] != 'q') { + usable_win = 1; + break; + } + } + + if (!usable_win) { + /* Locate a window showing a normal buffer */ + FOR_ALL_WINDOWS(win) + if (win->w_buffer->b_p_bt[0] == NUL) { + usable_win = 1; + break; + } + } + + /* + * If no usable window is found and 'switchbuf' contains "usetab" + * then search in other tabs. + */ + if (!usable_win && (swb_flags & SWB_USETAB)) { + tabpage_T *tp; + win_T *wp; + + FOR_ALL_TAB_WINDOWS(tp, wp) + { + if (wp->w_buffer->b_fnum == qf_ptr->qf_fnum) { + goto_tabpage_win(tp, wp); + usable_win = 1; + goto win_found; + } + } + } +win_found: + + /* + * If there is only one window and it is the quickfix window, create a + * new one above the quickfix window. + */ + if (((firstwin == lastwin) && bt_quickfix(curbuf)) || !usable_win) { + flags = WSP_ABOVE; + if (ll_ref != NULL) + flags |= WSP_NEWLOC; + if (win_split(0, flags) == FAIL) + goto failed; /* not enough room for window */ + opened_window = TRUE; /* close it when fail */ + p_swb = empty_option; /* don't split again */ + swb_flags = 0; + RESET_BINDING(curwin); + if (ll_ref != NULL) { + /* The new window should use the location list from the + * location list window */ + curwin->w_llist = ll_ref; + ll_ref->qf_refcount++; + } + } else { + if (curwin->w_llist_ref != NULL) { + /* In a location window */ + win = usable_win_ptr; + if (win == NULL) { + /* Find the window showing the selected file */ + FOR_ALL_WINDOWS(win) + if (win->w_buffer->b_fnum == qf_ptr->qf_fnum) + break; + if (win == NULL) { + /* Find a previous usable window */ + win = curwin; + do { + if (win->w_buffer->b_p_bt[0] == NUL) + break; + if (win->w_prev == NULL) + win = lastwin; /* wrap around the top */ + else + win = win->w_prev; /* go to previous window */ + } while (win != curwin); + } + } + win_goto(win); + + /* If the location list for the window is not set, then set it + * to the location list from the location window */ + if (win->w_llist == NULL) { + win->w_llist = ll_ref; + ll_ref->qf_refcount++; + } + } else { + + /* + * Try to find a window that shows the right buffer. + * Default to the window just above the quickfix buffer. + */ + win = curwin; + altwin = NULL; + for (;; ) { + if (win->w_buffer->b_fnum == qf_ptr->qf_fnum) + break; + if (win->w_prev == NULL) + win = lastwin; /* wrap around the top */ + else + win = win->w_prev; /* go to previous window */ + + if (IS_QF_WINDOW(win)) { + /* Didn't find it, go to the window before the quickfix + * window. */ + if (altwin != NULL) + win = altwin; + else if (curwin->w_prev != NULL) + win = curwin->w_prev; + else + win = curwin->w_next; + break; + } + + /* Remember a usable window. */ + if (altwin == NULL && !win->w_p_pvw + && win->w_buffer->b_p_bt[0] == NUL) + altwin = win; + } + + win_goto(win); + } + } + } + + /* + * If there is a file name, + * read the wanted file if needed, and check autowrite etc. + */ + old_curbuf = curbuf; + old_lnum = curwin->w_cursor.lnum; + + if (qf_ptr->qf_fnum != 0) { + if (qf_ptr->qf_type == 1) { + /* Open help file (do_ecmd() will set b_help flag, readfile() will + * set b_p_ro flag). */ + if (!can_abandon(curbuf, forceit)) { + EMSG(_(e_nowrtmsg)); + ok = FALSE; + } else + ok = do_ecmd(qf_ptr->qf_fnum, NULL, NULL, NULL, (linenr_T)1, + ECMD_HIDE + ECMD_SET_HELP, + oldwin == curwin ? curwin : NULL); + } else + ok = buflist_getfile(qf_ptr->qf_fnum, + (linenr_T)1, GETF_SETMARK | GETF_SWITCH, forceit); + } + + if (ok == OK) { + /* When not switched to another buffer, still need to set pc mark */ + if (curbuf == old_curbuf) + setpcmark(); + + if (qf_ptr->qf_pattern == NULL) { + /* + * Go to line with error, unless qf_lnum is 0. + */ + i = qf_ptr->qf_lnum; + if (i > 0) { + if (i > curbuf->b_ml.ml_line_count) + i = curbuf->b_ml.ml_line_count; + curwin->w_cursor.lnum = i; + } + if (qf_ptr->qf_col > 0) { + curwin->w_cursor.col = qf_ptr->qf_col - 1; + if (qf_ptr->qf_viscol == TRUE) { + /* + * Check each character from the beginning of the error + * line up to the error column. For each tab character + * found, reduce the error column value by the length of + * a tab character. + */ + line = ml_get_curline(); + screen_col = 0; + for (char_col = 0; char_col < curwin->w_cursor.col; ++char_col) { + if (*line == NUL) + break; + if (*line++ == '\t') { + curwin->w_cursor.col -= 7 - (screen_col % 8); + screen_col += 8 - (screen_col % 8); + } else + ++screen_col; + } + } + check_cursor(); + } else + beginline(BL_WHITE | BL_FIX); + } else { + pos_T save_cursor; + + /* Move the cursor to the first line in the buffer */ + save_cursor = curwin->w_cursor; + curwin->w_cursor.lnum = 0; + if (!do_search(NULL, '/', qf_ptr->qf_pattern, (long)1, + SEARCH_KEEP, NULL)) + curwin->w_cursor = save_cursor; + } + + if ((fdo_flags & FDO_QUICKFIX) && old_KeyTyped) + foldOpenCursor(); + if (print_message) { + /* Update the screen before showing the message, unless the screen + * scrolled up. */ + if (!msg_scrolled) + update_topline_redraw(); + sprintf((char *)IObuff, _("(%d of %d)%s%s: "), qf_index, + qi->qf_lists[qi->qf_curlist].qf_count, + qf_ptr->qf_cleared ? _(" (line deleted)") : "", + (char *)qf_types(qf_ptr->qf_type, qf_ptr->qf_nr)); + /* Add the message, skipping leading whitespace and newlines. */ + len = (int)STRLEN(IObuff); + qf_fmt_text(skipwhite(qf_ptr->qf_text), IObuff + len, IOSIZE - len); + + /* Output the message. Overwrite to avoid scrolling when the 'O' + * flag is present in 'shortmess'; But when not jumping, print the + * whole message. */ + i = msg_scroll; + if (curbuf == old_curbuf && curwin->w_cursor.lnum == old_lnum) + msg_scroll = TRUE; + else if (!msg_scrolled && shortmess(SHM_OVERALL)) + msg_scroll = FALSE; + msg_attr_keep(IObuff, 0, TRUE); + msg_scroll = i; + } + } else { + if (opened_window) + win_close(curwin, TRUE); /* Close opened window */ + if (qf_ptr->qf_fnum != 0) { + /* + * Couldn't open file, so put index back where it was. This could + * happen if the file was readonly and we changed something. + */ +failed: + qf_ptr = old_qf_ptr; + qf_index = old_qf_index; + } + } +theend: + qi->qf_lists[qi->qf_curlist].qf_ptr = qf_ptr; + qi->qf_lists[qi->qf_curlist].qf_index = qf_index; + if (p_swb != old_swb && opened_window) { + /* Restore old 'switchbuf' value, but not when an autocommand or + * modeline has changed the value. */ + if (p_swb == empty_option) { + p_swb = old_swb; + swb_flags = old_swb_flags; + } else + free_string_option(old_swb); + } +} + +/* + * ":clist": list all errors + * ":llist": list all locations + */ +void qf_list(exarg_T *eap) +{ + buf_T *buf; + char_u *fname; + qfline_T *qfp; + int i; + int idx1 = 1; + int idx2 = -1; + char_u *arg = eap->arg; + int all = eap->forceit; /* if not :cl!, only show + recognised errors */ + qf_info_T *qi = &ql_info; + + if (eap->cmdidx == CMD_llist) { + qi = GET_LOC_LIST(curwin); + if (qi == NULL) { + EMSG(_(e_loclist)); + return; + } + } + + if (qi->qf_curlist >= qi->qf_listcount + || qi->qf_lists[qi->qf_curlist].qf_count == 0) { + EMSG(_(e_quickfix)); + return; + } + if (!get_list_range(&arg, &idx1, &idx2) || *arg != NUL) { + EMSG(_(e_trailing)); + return; + } + i = qi->qf_lists[qi->qf_curlist].qf_count; + if (idx1 < 0) + idx1 = (-idx1 > i) ? 0 : idx1 + i + 1; + if (idx2 < 0) + idx2 = (-idx2 > i) ? 0 : idx2 + i + 1; + + if (qi->qf_lists[qi->qf_curlist].qf_nonevalid) + all = TRUE; + qfp = qi->qf_lists[qi->qf_curlist].qf_start; + for (i = 1; !got_int && i <= qi->qf_lists[qi->qf_curlist].qf_count; ) { + if ((qfp->qf_valid || all) && idx1 <= i && i <= idx2) { + msg_putchar('\n'); + if (got_int) + break; + + fname = NULL; + if (qfp->qf_fnum != 0 + && (buf = buflist_findnr(qfp->qf_fnum)) != NULL) { + fname = buf->b_fname; + if (qfp->qf_type == 1) /* :helpgrep */ + fname = path_tail(fname); + } + if (fname == NULL) + sprintf((char *)IObuff, "%2d", i); + else + vim_snprintf((char *)IObuff, IOSIZE, "%2d %s", + i, (char *)fname); + msg_outtrans_attr(IObuff, i == qi->qf_lists[qi->qf_curlist].qf_index + ? hl_attr(HLF_L) : hl_attr(HLF_D)); + if (qfp->qf_lnum == 0) + IObuff[0] = NUL; + else if (qfp->qf_col == 0) + sprintf((char *)IObuff, ":%" PRId64, (int64_t)qfp->qf_lnum); + else + sprintf((char *)IObuff, ":%" PRId64 " col %d", + (int64_t)qfp->qf_lnum, qfp->qf_col); + sprintf((char *)IObuff + STRLEN(IObuff), "%s:", + (char *)qf_types(qfp->qf_type, qfp->qf_nr)); + msg_puts_attr(IObuff, hl_attr(HLF_N)); + if (qfp->qf_pattern != NULL) { + qf_fmt_text(qfp->qf_pattern, IObuff, IOSIZE); + STRCAT(IObuff, ":"); + msg_puts(IObuff); + } + msg_puts((char_u *)" "); + + /* Remove newlines and leading whitespace from the text. For an + * unrecognized line keep the indent, the compiler may mark a word + * with ^^^^. */ + qf_fmt_text((fname != NULL || qfp->qf_lnum != 0) + ? skipwhite(qfp->qf_text) : qfp->qf_text, + IObuff, IOSIZE); + msg_prt_line(IObuff, FALSE); + out_flush(); /* show one line at a time */ + } + + qfp = qfp->qf_next; + ++i; + ui_breakcheck(); + } +} + +/* + * Remove newlines and leading whitespace from an error message. + * Put the result in "buf[bufsize]". + */ +static void qf_fmt_text(char_u *text, char_u *buf, int bufsize) +{ + int i; + char_u *p = text; + + for (i = 0; *p != NUL && i < bufsize - 1; ++i) { + if (*p == '\n') { + buf[i] = ' '; + while (*++p != NUL) + if (!vim_iswhite(*p) && *p != '\n') + break; + } else + buf[i] = *p++; + } + buf[i] = NUL; +} + +/* + * ":colder [count]": Up in the quickfix stack. + * ":cnewer [count]": Down in the quickfix stack. + * ":lolder [count]": Up in the location list stack. + * ":lnewer [count]": Down in the location list stack. + */ +void qf_age(exarg_T *eap) +{ + qf_info_T *qi = &ql_info; + int count; + + if (eap->cmdidx == CMD_lolder || eap->cmdidx == CMD_lnewer) { + qi = GET_LOC_LIST(curwin); + if (qi == NULL) { + EMSG(_(e_loclist)); + return; + } + } + + if (eap->addr_count != 0) + count = eap->line2; + else + count = 1; + while (count--) { + if (eap->cmdidx == CMD_colder || eap->cmdidx == CMD_lolder) { + if (qi->qf_curlist == 0) { + EMSG(_("E380: At bottom of quickfix stack")); + break; + } + --qi->qf_curlist; + } else { + if (qi->qf_curlist >= qi->qf_listcount - 1) { + EMSG(_("E381: At top of quickfix stack")); + break; + } + ++qi->qf_curlist; + } + } + qf_msg(qi); +} + +static void qf_msg(qf_info_T *qi) +{ + smsg((char_u *)_("error list %d of %d; %d errors"), + qi->qf_curlist + 1, qi->qf_listcount, + qi->qf_lists[qi->qf_curlist].qf_count); + qf_update_buffer(qi); +} + +/* + * Free error list "idx". + */ +static void qf_free(qf_info_T *qi, int idx) +{ + qfline_T *qfp; + int stop = FALSE; + + while (qi->qf_lists[idx].qf_count) { + qfp = qi->qf_lists[idx].qf_start->qf_next; + if (qi->qf_lists[idx].qf_title != NULL && !stop) { + free(qi->qf_lists[idx].qf_start->qf_text); + stop = (qi->qf_lists[idx].qf_start == qfp); + free(qi->qf_lists[idx].qf_start->qf_pattern); + free(qi->qf_lists[idx].qf_start); + if (stop) + /* Somehow qf_count may have an incorrect value, set it to 1 + * to avoid crashing when it's wrong. + * TODO: Avoid qf_count being incorrect. */ + qi->qf_lists[idx].qf_count = 1; + } + qi->qf_lists[idx].qf_start = qfp; + --qi->qf_lists[idx].qf_count; + } + free(qi->qf_lists[idx].qf_title); + qi->qf_lists[idx].qf_title = NULL; +} + +/* + * qf_mark_adjust: adjust marks + */ +void qf_mark_adjust(win_T *wp, linenr_T line1, linenr_T line2, long amount, long amount_after) +{ + int i; + qfline_T *qfp; + int idx; + qf_info_T *qi = &ql_info; + + if (wp != NULL) { + if (wp->w_llist == NULL) + return; + qi = wp->w_llist; + } + + for (idx = 0; idx < qi->qf_listcount; ++idx) + if (qi->qf_lists[idx].qf_count) + for (i = 0, qfp = qi->qf_lists[idx].qf_start; + i < qi->qf_lists[idx].qf_count; ++i, qfp = qfp->qf_next) + if (qfp->qf_fnum == curbuf->b_fnum) { + if (qfp->qf_lnum >= line1 && qfp->qf_lnum <= line2) { + if (amount == MAXLNUM) + qfp->qf_cleared = TRUE; + else + qfp->qf_lnum += amount; + } else if (amount_after && qfp->qf_lnum > line2) + qfp->qf_lnum += amount_after; + } +} + +/* + * Make a nice message out of the error character and the error number: + * char number message + * e or E 0 " error" + * w or W 0 " warning" + * i or I 0 " info" + * 0 0 "" + * other 0 " c" + * e or E n " error n" + * w or W n " warning n" + * i or I n " info n" + * 0 n " error n" + * other n " c n" + * 1 x "" :helpgrep + */ +static char_u *qf_types(int c, int nr) +{ + static char_u buf[20]; + static char_u cc[3]; + char_u *p; + + if (c == 'W' || c == 'w') + p = (char_u *)" warning"; + else if (c == 'I' || c == 'i') + p = (char_u *)" info"; + else if (c == 'E' || c == 'e' || (c == 0 && nr > 0)) + p = (char_u *)" error"; + else if (c == 0 || c == 1) + p = (char_u *)""; + else { + cc[0] = ' '; + cc[1] = c; + cc[2] = NUL; + p = cc; + } + + if (nr <= 0) + return p; + + sprintf((char *)buf, "%s %3d", (char *)p, nr); + return buf; +} + +/* + * ":cwindow": open the quickfix window if we have errors to display, + * close it if not. + * ":lwindow": open the location list window if we have locations to display, + * close it if not. + */ +void ex_cwindow(exarg_T *eap) +{ + qf_info_T *qi = &ql_info; + win_T *win; + + if (eap->cmdidx == CMD_lwindow) { + qi = GET_LOC_LIST(curwin); + if (qi == NULL) + return; + } + + /* Look for an existing quickfix window. */ + win = qf_find_win(qi); + + /* + * If a quickfix window is open but we have no errors to display, + * close the window. If a quickfix window is not open, then open + * it if we have errors; otherwise, leave it closed. + */ + if (qi->qf_lists[qi->qf_curlist].qf_nonevalid + || qi->qf_lists[qi->qf_curlist].qf_count == 0 + || qi->qf_curlist >= qi->qf_listcount) { + if (win != NULL) + ex_cclose(eap); + } else if (win == NULL) + ex_copen(eap); +} + +/* + * ":cclose": close the window showing the list of errors. + * ":lclose": close the window showing the location list + */ +void ex_cclose(exarg_T *eap) +{ + win_T *win = NULL; + qf_info_T *qi = &ql_info; + + if (eap->cmdidx == CMD_lclose || eap->cmdidx == CMD_lwindow) { + qi = GET_LOC_LIST(curwin); + if (qi == NULL) + return; + } + + /* Find existing quickfix window and close it. */ + win = qf_find_win(qi); + if (win != NULL) + win_close(win, FALSE); +} + +/* + * ":copen": open a window that shows the list of errors. + * ":lopen": open a window that shows the location list. + */ +void ex_copen(exarg_T *eap) +{ + qf_info_T *qi = &ql_info; + int height; + win_T *win; + tabpage_T *prevtab = curtab; + buf_T *qf_buf; + win_T *oldwin = curwin; + + if (eap->cmdidx == CMD_lopen || eap->cmdidx == CMD_lwindow) { + qi = GET_LOC_LIST(curwin); + if (qi == NULL) { + EMSG(_(e_loclist)); + return; + } + } + + if (eap->addr_count != 0) + height = eap->line2; + else + height = QF_WINHEIGHT; + + reset_VIsual_and_resel(); /* stop Visual mode */ + + /* + * Find existing quickfix window, or open a new one. + */ + win = qf_find_win(qi); + + if (win != NULL && cmdmod.tab == 0) { + win_goto(win); + if (eap->addr_count != 0) { + if (cmdmod.split & WSP_VERT) { + if (height != W_WIDTH(win)) { + win_setwidth(height); + } + } else { + if (height != win->w_height) { + win_setheight(height); + } + } + } + } else { + qf_buf = qf_find_buf(qi); + + /* The current window becomes the previous window afterwards. */ + win = curwin; + + if ((eap->cmdidx == CMD_copen || eap->cmdidx == CMD_cwindow) + && cmdmod.split == 0) + /* Create the new window at the very bottom, except when + * :belowright or :aboveleft is used. */ + win_goto(lastwin); + if (win_split(height, WSP_BELOW | WSP_NEWLOC) == FAIL) + return; /* not enough room for window */ + RESET_BINDING(curwin); + + if (eap->cmdidx == CMD_lopen || eap->cmdidx == CMD_lwindow) { + /* + * For the location list window, create a reference to the + * location list from the window 'win'. + */ + curwin->w_llist_ref = win->w_llist; + win->w_llist->qf_refcount++; + } + + if (oldwin != curwin) + oldwin = NULL; /* don't store info when in another window */ + if (qf_buf != NULL) + /* Use the existing quickfix buffer */ + (void)do_ecmd(qf_buf->b_fnum, NULL, NULL, NULL, ECMD_ONE, + ECMD_HIDE + ECMD_OLDBUF, oldwin); + else { + /* Create a new quickfix buffer */ + (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, oldwin); + /* switch off 'swapfile' */ + set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL); + set_option_value((char_u *)"bt", 0L, (char_u *)"quickfix", + OPT_LOCAL); + set_option_value((char_u *)"bh", 0L, (char_u *)"wipe", OPT_LOCAL); + RESET_BINDING(curwin); + curwin->w_p_diff = FALSE; + set_option_value((char_u *)"fdm", 0L, (char_u *)"manual", + OPT_LOCAL); + } + + /* Only set the height when still in the same tab page and there is no + * window to the side. */ + if (curtab == prevtab + && curwin->w_width == Columns + ) + win_setheight(height); + curwin->w_p_wfh = TRUE; /* set 'winfixheight' */ + if (win_valid(win)) + prevwin = win; + } + + /* + * Fill the buffer with the quickfix list. + */ + qf_fill_buffer(qi); + + if (qi->qf_lists[qi->qf_curlist].qf_title != NULL) + qf_set_title(qi); + + curwin->w_cursor.lnum = qi->qf_lists[qi->qf_curlist].qf_index; + curwin->w_cursor.col = 0; + check_cursor(); + update_topline(); /* scroll to show the line */ +} + +/* + * Return the number of the current entry (line number in the quickfix + * window). + */ +linenr_T qf_current_entry(win_T *wp) +{ + qf_info_T *qi = &ql_info; + + if (IS_LL_WINDOW(wp)) + /* In the location list window, use the referenced location list */ + qi = wp->w_llist_ref; + + return qi->qf_lists[qi->qf_curlist].qf_index; +} + +/* + * Update the cursor position in the quickfix window to the current error. + * Return TRUE if there is a quickfix window. + */ +static int +qf_win_pos_update ( + qf_info_T *qi, + int old_qf_index /* previous qf_index or zero */ +) +{ + win_T *win; + int qf_index = qi->qf_lists[qi->qf_curlist].qf_index; + + /* + * Put the cursor on the current error in the quickfix window, so that + * it's viewable. + */ + win = qf_find_win(qi); + if (win != NULL + && qf_index <= win->w_buffer->b_ml.ml_line_count + && old_qf_index != qf_index) { + win_T *old_curwin = curwin; + + curwin = win; + curbuf = win->w_buffer; + if (qf_index > old_qf_index) { + curwin->w_redraw_top = old_qf_index; + curwin->w_redraw_bot = qf_index; + } else { + curwin->w_redraw_top = qf_index; + curwin->w_redraw_bot = old_qf_index; + } + curwin->w_cursor.lnum = qf_index; + curwin->w_cursor.col = 0; + update_topline(); /* scroll to show the line */ + redraw_later(VALID); + curwin->w_redr_status = TRUE; /* update ruler */ + curwin = old_curwin; + curbuf = curwin->w_buffer; + } + return win != NULL; +} + +/* + * Check whether the given window is displaying the specified quickfix/location + * list buffer + */ +static int is_qf_win(win_T *win, qf_info_T *qi) +{ + /* + * A window displaying the quickfix buffer will have the w_llist_ref field + * set to NULL. + * A window displaying a location list buffer will have the w_llist_ref + * pointing to the location list. + */ + if (bt_quickfix(win->w_buffer)) + if ((qi == &ql_info && win->w_llist_ref == NULL) + || (qi != &ql_info && win->w_llist_ref == qi)) + return TRUE; + + return FALSE; +} + +/* + * Find a window displaying the quickfix/location list 'qi' + * Searches in only the windows opened in the current tab. + */ +static win_T *qf_find_win(qf_info_T *qi) +{ + win_T *win; + + FOR_ALL_WINDOWS(win) + if (is_qf_win(win, qi)) + break; + + return win; +} + +/* + * Find a quickfix buffer. + * Searches in windows opened in all the tabs. + */ +static buf_T *qf_find_buf(qf_info_T *qi) +{ + tabpage_T *tp; + win_T *win; + + FOR_ALL_TAB_WINDOWS(tp, win) + if (is_qf_win(win, qi)) + return win->w_buffer; + + return NULL; +} + +/* + * Find the quickfix buffer. If it exists, update the contents. + */ +static void qf_update_buffer(qf_info_T *qi) +{ + buf_T *buf; + win_T *win; + win_T *curwin_save; + aco_save_T aco; + + /* Check if a buffer for the quickfix list exists. Update it. */ + buf = qf_find_buf(qi); + if (buf != NULL) { + /* set curwin/curbuf to buf and save a few things */ + aucmd_prepbuf(&aco, buf); + + qf_fill_buffer(qi); + + if (qi->qf_lists[qi->qf_curlist].qf_title != NULL + && (win = qf_find_win(qi)) != NULL) { + curwin_save = curwin; + curwin = win; + qf_set_title(qi); + curwin = curwin_save; + + } + + /* restore curwin/curbuf and a few other things */ + aucmd_restbuf(&aco); + + (void)qf_win_pos_update(qi, 0); + } +} + +static void qf_set_title(qf_info_T *qi) +{ + set_internal_string_var((char_u *)"w:quickfix_title", + qi->qf_lists[qi->qf_curlist].qf_title); +} + +/* + * Fill current buffer with quickfix errors, replacing any previous contents. + * curbuf must be the quickfix buffer! + */ +static void qf_fill_buffer(qf_info_T *qi) +{ + linenr_T lnum; + qfline_T *qfp; + buf_T *errbuf; + int len; + int old_KeyTyped = KeyTyped; + + /* delete all existing lines */ + while ((curbuf->b_ml.ml_flags & ML_EMPTY) == 0) + (void)ml_delete((linenr_T)1, FALSE); + + /* Check if there is anything to display */ + if (qi->qf_curlist < qi->qf_listcount) { + /* Add one line for each error */ + qfp = qi->qf_lists[qi->qf_curlist].qf_start; + for (lnum = 0; lnum < qi->qf_lists[qi->qf_curlist].qf_count; ++lnum) { + if (qfp->qf_fnum != 0 + && (errbuf = buflist_findnr(qfp->qf_fnum)) != NULL + && errbuf->b_fname != NULL) { + if (qfp->qf_type == 1) /* :helpgrep */ + STRCPY(IObuff, path_tail(errbuf->b_fname)); + else + STRCPY(IObuff, errbuf->b_fname); + len = (int)STRLEN(IObuff); + } else + len = 0; + IObuff[len++] = '|'; + + if (qfp->qf_lnum > 0) { + sprintf((char *)IObuff + len, "%" PRId64, (int64_t)qfp->qf_lnum); + len += (int)STRLEN(IObuff + len); + + if (qfp->qf_col > 0) { + sprintf((char *)IObuff + len, " col %d", qfp->qf_col); + len += (int)STRLEN(IObuff + len); + } + + sprintf((char *)IObuff + len, "%s", + (char *)qf_types(qfp->qf_type, qfp->qf_nr)); + len += (int)STRLEN(IObuff + len); + } else if (qfp->qf_pattern != NULL) { + qf_fmt_text(qfp->qf_pattern, IObuff + len, IOSIZE - len); + len += (int)STRLEN(IObuff + len); + } + IObuff[len++] = '|'; + IObuff[len++] = ' '; + + /* Remove newlines and leading whitespace from the text. + * For an unrecognized line keep the indent, the compiler may + * mark a word with ^^^^. */ + qf_fmt_text(len > 3 ? skipwhite(qfp->qf_text) : qfp->qf_text, + IObuff + len, IOSIZE - len); + + if (ml_append(lnum, IObuff, (colnr_T)STRLEN(IObuff) + 1, FALSE) + == FAIL) + break; + qfp = qfp->qf_next; + } + /* Delete the empty line which is now at the end */ + (void)ml_delete(lnum + 1, FALSE); + } + + /* correct cursor position */ + check_lnums(TRUE); + + /* Set the 'filetype' to "qf" each time after filling the buffer. This + * resembles reading a file into a buffer, it's more logical when using + * autocommands. */ + set_option_value((char_u *)"ft", 0L, (char_u *)"qf", OPT_LOCAL); + curbuf->b_p_ma = FALSE; + + keep_filetype = TRUE; /* don't detect 'filetype' */ + apply_autocmds(EVENT_BUFREADPOST, (char_u *)"quickfix", NULL, + FALSE, curbuf); + apply_autocmds(EVENT_BUFWINENTER, (char_u *)"quickfix", NULL, + FALSE, curbuf); + keep_filetype = FALSE; + + /* make sure it will be redrawn */ + redraw_curbuf_later(NOT_VALID); + + /* Restore KeyTyped, setting 'filetype' may reset it. */ + KeyTyped = old_KeyTyped; +} + + +/* + * Return TRUE if "buf" is the quickfix buffer. + */ +int bt_quickfix(buf_T *buf) +{ + return buf != NULL && buf->b_p_bt[0] == 'q'; +} + +/* + * Return TRUE if "buf" is a "nofile" or "acwrite" buffer. + * This means the buffer name is not a file name. + */ +int bt_nofile(buf_T *buf) +{ + return buf != NULL && ((buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f') + || buf->b_p_bt[0] == 'a'); +} + +/* + * Return TRUE if "buf" is a "nowrite" or "nofile" buffer. + */ +int bt_dontwrite(buf_T *buf) +{ + return buf != NULL && buf->b_p_bt[0] == 'n'; +} + +int bt_dontwrite_msg(buf_T *buf) +{ + if (bt_dontwrite(buf)) { + EMSG(_("E382: Cannot write, 'buftype' option is set")); + return TRUE; + } + return FALSE; +} + +/* + * Return TRUE if the buffer should be hidden, according to 'hidden', ":hide" + * and 'bufhidden'. + */ +int buf_hide(buf_T *buf) +{ + /* 'bufhidden' overrules 'hidden' and ":hide", check it first */ + switch (buf->b_p_bh[0]) { + case 'u': /* "unload" */ + case 'w': /* "wipe" */ + case 'd': return FALSE; /* "delete" */ + case 'h': return TRUE; /* "hide" */ + } + return p_hid || cmdmod.hide; +} + +/* + * Return TRUE when using ":vimgrep" for ":grep". + */ +int grep_internal(cmdidx_T cmdidx) +{ + return (cmdidx == CMD_grep + || cmdidx == CMD_lgrep + || cmdidx == CMD_grepadd + || cmdidx == CMD_lgrepadd) + && STRCMP("internal", + *curbuf->b_p_gp == NUL ? p_gp : curbuf->b_p_gp) == 0; +} + +/* + * Used for ":make", ":lmake", ":grep", ":lgrep", ":grepadd", and ":lgrepadd" + */ +void ex_make(exarg_T *eap) +{ + char_u *fname; + char_u *cmd; + unsigned len; + win_T *wp = NULL; + qf_info_T *qi = &ql_info; + int res; + char_u *au_name = NULL; + + /* Redirect ":grep" to ":vimgrep" if 'grepprg' is "internal". */ + if (grep_internal(eap->cmdidx)) { + ex_vimgrep(eap); + return; + } + + switch (eap->cmdidx) { + case CMD_make: au_name = (char_u *)"make"; break; + case CMD_lmake: au_name = (char_u *)"lmake"; break; + case CMD_grep: au_name = (char_u *)"grep"; break; + case CMD_lgrep: au_name = (char_u *)"lgrep"; break; + case CMD_grepadd: au_name = (char_u *)"grepadd"; break; + case CMD_lgrepadd: au_name = (char_u *)"lgrepadd"; break; + default: break; + } + if (au_name != NULL) { + apply_autocmds(EVENT_QUICKFIXCMDPRE, au_name, + curbuf->b_fname, TRUE, curbuf); + if (did_throw || force_abort) + return; + } + + if (eap->cmdidx == CMD_lmake || eap->cmdidx == CMD_lgrep + || eap->cmdidx == CMD_lgrepadd) + wp = curwin; + + autowrite_all(); + fname = get_mef_name(); + if (fname == NULL) + return; + os_remove((char *)fname); // in case it's not unique + + /* + * If 'shellpipe' empty: don't redirect to 'errorfile'. + */ + len = (unsigned)STRLEN(p_shq) * 2 + (unsigned)STRLEN(eap->arg) + 1; + if (*p_sp != NUL) + len += (unsigned)STRLEN(p_sp) + (unsigned)STRLEN(fname) + 3; + cmd = alloc(len); + sprintf((char *)cmd, "%s%s%s", (char *)p_shq, (char *)eap->arg, + (char *)p_shq); + if (*p_sp != NUL) + append_redir(cmd, len, p_sp, fname); + /* + * Output a newline if there's something else than the :make command that + * was typed (in which case the cursor is in column 0). + */ + if (msg_col == 0) + msg_didout = FALSE; + msg_start(); + MSG_PUTS(":!"); + msg_outtrans(cmd); /* show what we are doing */ + + /* let the shell know if we are redirecting output or not */ + do_shell(cmd, *p_sp != NUL ? kShellOptDoOut : 0); + + + res = qf_init(wp, fname, (eap->cmdidx != CMD_make + && eap->cmdidx != CMD_lmake) ? p_gefm : p_efm, + (eap->cmdidx != CMD_grepadd + && eap->cmdidx != CMD_lgrepadd), + *eap->cmdlinep); + if (wp != NULL) + qi = GET_LOC_LIST(wp); + if (au_name != NULL) { + apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name, + curbuf->b_fname, TRUE, curbuf); + if (qi->qf_curlist < qi->qf_listcount) + res = qi->qf_lists[qi->qf_curlist].qf_count; + else + res = 0; + } + if (res > 0 && !eap->forceit) + qf_jump(qi, 0, 0, FALSE); /* display first error */ + + os_remove((char *)fname); + free(fname); + free(cmd); +} + +/* + * Return the name for the errorfile, in allocated memory. + * Find a new unique name when 'makeef' contains "##". + * Returns NULL for error. + */ +static char_u *get_mef_name(void) +{ + char_u *p; + char_u *name; + static int start = -1; + static int off = 0; + + if (*p_mef == NUL) { + name = vim_tempname('e'); + if (name == NULL) + EMSG(_(e_notmp)); + return name; + } + + for (p = p_mef; *p; ++p) + if (p[0] == '#' && p[1] == '#') + break; + + if (*p == NUL) + return vim_strsave(p_mef); + + /* Keep trying until the name doesn't exist yet. */ + for (;; ) { + if (start == -1) + start = os_get_pid(); + else + off += 19; + + name = alloc((unsigned)STRLEN(p_mef) + 30); + STRCPY(name, p_mef); + sprintf((char *)name + (p - p_mef), "%d%d", start, off); + STRCAT(name, p + 2); + // Don't accept a symbolic link, its a security risk. + FileInfo file_info; + bool file_or_link_found = os_get_file_info_link((char *)name, &file_info); + if (!file_or_link_found) { + break; + } + free(name); + } + return name; +} + +/* + * ":cc", ":crewind", ":cfirst" and ":clast". + * ":ll", ":lrewind", ":lfirst" and ":llast". + */ +void ex_cc(exarg_T *eap) +{ + qf_info_T *qi = &ql_info; + + if (eap->cmdidx == CMD_ll + || eap->cmdidx == CMD_lrewind + || eap->cmdidx == CMD_lfirst + || eap->cmdidx == CMD_llast) { + qi = GET_LOC_LIST(curwin); + if (qi == NULL) { + EMSG(_(e_loclist)); + return; + } + } + + qf_jump(qi, 0, + eap->addr_count > 0 + ? (int)eap->line2 + : (eap->cmdidx == CMD_cc || eap->cmdidx == CMD_ll) + ? 0 + : (eap->cmdidx == CMD_crewind || eap->cmdidx == CMD_lrewind + || eap->cmdidx == CMD_cfirst || eap->cmdidx == CMD_lfirst) + ? 1 + : 32767, + eap->forceit); +} + +/* + * ":cnext", ":cnfile", ":cNext" and ":cprevious". + * ":lnext", ":lNext", ":lprevious", ":lnfile", ":lNfile" and ":lpfile". + */ +void ex_cnext(exarg_T *eap) +{ + qf_info_T *qi = &ql_info; + + if (eap->cmdidx == CMD_lnext + || eap->cmdidx == CMD_lNext + || eap->cmdidx == CMD_lprevious + || eap->cmdidx == CMD_lnfile + || eap->cmdidx == CMD_lNfile + || eap->cmdidx == CMD_lpfile) { + qi = GET_LOC_LIST(curwin); + if (qi == NULL) { + EMSG(_(e_loclist)); + return; + } + } + + qf_jump(qi, (eap->cmdidx == CMD_cnext || eap->cmdidx == CMD_lnext) + ? FORWARD + : (eap->cmdidx == CMD_cnfile || eap->cmdidx == CMD_lnfile) + ? FORWARD_FILE + : (eap->cmdidx == CMD_cpfile || eap->cmdidx == CMD_lpfile + || eap->cmdidx == CMD_cNfile || eap->cmdidx == CMD_lNfile) + ? BACKWARD_FILE + : BACKWARD, + eap->addr_count > 0 ? (int)eap->line2 : 1, eap->forceit); +} + +/* + * ":cfile"/":cgetfile"/":caddfile" commands. + * ":lfile"/":lgetfile"/":laddfile" commands. + */ +void ex_cfile(exarg_T *eap) +{ + win_T *wp = NULL; + qf_info_T *qi = &ql_info; + char_u *au_name = NULL; + + if (eap->cmdidx == CMD_lfile || eap->cmdidx == CMD_lgetfile + || eap->cmdidx == CMD_laddfile) + wp = curwin; + + switch (eap->cmdidx) { + case CMD_cfile: au_name = (char_u *)"cfile"; break; + case CMD_cgetfile: au_name = (char_u *)"cgetfile"; break; + case CMD_caddfile: au_name = (char_u *)"caddfile"; break; + case CMD_lfile: au_name = (char_u *)"lfile"; break; + case CMD_lgetfile: au_name = (char_u *)"lgetfile"; break; + case CMD_laddfile: au_name = (char_u *)"laddfile"; break; + default: break; + } + if (au_name != NULL) + apply_autocmds(EVENT_QUICKFIXCMDPRE, au_name, NULL, FALSE, curbuf); + if (*eap->arg != NUL) + set_string_option_direct((char_u *)"ef", -1, eap->arg, OPT_FREE, 0); + + /* + * This function is used by the :cfile, :cgetfile and :caddfile + * commands. + * :cfile always creates a new quickfix list and jumps to the + * first error. + * :cgetfile creates a new quickfix list but doesn't jump to the + * first error. + * :caddfile adds to an existing quickfix list. If there is no + * quickfix list then a new list is created. + */ + if (qf_init(wp, p_ef, p_efm, (eap->cmdidx != CMD_caddfile + && eap->cmdidx != CMD_laddfile), + *eap->cmdlinep) > 0 + && (eap->cmdidx == CMD_cfile + || eap->cmdidx == CMD_lfile)) { + if (au_name != NULL) + apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name, NULL, FALSE, curbuf); + if (wp != NULL) + qi = GET_LOC_LIST(wp); + qf_jump(qi, 0, 0, eap->forceit); /* display first error */ + } else { + if (au_name != NULL) + apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name, NULL, FALSE, curbuf); + } +} + +/* + * ":vimgrep {pattern} file(s)" + * ":vimgrepadd {pattern} file(s)" + * ":lvimgrep {pattern} file(s)" + * ":lvimgrepadd {pattern} file(s)" + */ +void ex_vimgrep(exarg_T *eap) +{ + regmmatch_T regmatch; + int fcount; + char_u **fnames; + char_u *fname; + char_u *s; + char_u *p; + int fi; + qf_info_T *qi = &ql_info; + qfline_T *cur_qf_start; + qfline_T *prevp = NULL; + long lnum; + buf_T *buf; + int duplicate_name = FALSE; + int using_dummy; + int redraw_for_dummy = FALSE; + int found_match; + buf_T *first_match_buf = NULL; + time_t seconds = 0; + int save_mls; + char_u *save_ei = NULL; + aco_save_T aco; + int flags = 0; + colnr_T col; + long tomatch; + char_u *dirname_start = NULL; + char_u *dirname_now = NULL; + char_u *target_dir = NULL; + char_u *au_name = NULL; + + switch (eap->cmdidx) { + case CMD_vimgrep: au_name = (char_u *)"vimgrep"; break; + case CMD_lvimgrep: au_name = (char_u *)"lvimgrep"; break; + case CMD_vimgrepadd: au_name = (char_u *)"vimgrepadd"; break; + case CMD_lvimgrepadd: au_name = (char_u *)"lvimgrepadd"; break; + case CMD_grep: au_name = (char_u *)"grep"; break; + case CMD_lgrep: au_name = (char_u *)"lgrep"; break; + case CMD_grepadd: au_name = (char_u *)"grepadd"; break; + case CMD_lgrepadd: au_name = (char_u *)"lgrepadd"; break; + default: break; + } + if (au_name != NULL) { + apply_autocmds(EVENT_QUICKFIXCMDPRE, au_name, + curbuf->b_fname, TRUE, curbuf); + if (did_throw || force_abort) + return; + } + + if (eap->cmdidx == CMD_lgrep + || eap->cmdidx == CMD_lvimgrep + || eap->cmdidx == CMD_lgrepadd + || eap->cmdidx == CMD_lvimgrepadd) { + qi = ll_get_or_alloc_list(curwin); + } + + if (eap->addr_count > 0) + tomatch = eap->line2; + else + tomatch = MAXLNUM; + + /* Get the search pattern: either white-separated or enclosed in // */ + regmatch.regprog = NULL; + p = skip_vimgrep_pat(eap->arg, &s, &flags); + if (p == NULL) { + EMSG(_(e_invalpat)); + goto theend; + } + + if (s != NULL && *s == NUL) { + /* Pattern is empty, use last search pattern. */ + if (last_search_pat() == NULL) { + EMSG(_(e_noprevre)); + goto theend; + } + regmatch.regprog = vim_regcomp(last_search_pat(), RE_MAGIC); + } else + regmatch.regprog = vim_regcomp(s, RE_MAGIC); + + if (regmatch.regprog == NULL) + goto theend; + regmatch.rmm_ic = p_ic; + regmatch.rmm_maxcol = 0; + + p = skipwhite(p); + if (*p == NUL) { + EMSG(_("E683: File name missing or invalid pattern")); + goto theend; + } + + if ((eap->cmdidx != CMD_grepadd && eap->cmdidx != CMD_lgrepadd && + eap->cmdidx != CMD_vimgrepadd && eap->cmdidx != CMD_lvimgrepadd) + || qi->qf_curlist == qi->qf_listcount) + /* make place for a new list */ + qf_new_list(qi, *eap->cmdlinep); + else if (qi->qf_lists[qi->qf_curlist].qf_count > 0) + /* Adding to existing list, find last entry. */ + for (prevp = qi->qf_lists[qi->qf_curlist].qf_start; + prevp->qf_next != prevp; prevp = prevp->qf_next) + ; + + /* parse the list of arguments */ + if (get_arglist_exp(p, &fcount, &fnames, TRUE) == FAIL) + goto theend; + if (fcount == 0) { + EMSG(_(e_nomatch)); + goto theend; + } + + dirname_start = alloc(MAXPATHL); + dirname_now = alloc(MAXPATHL); + + /* Remember the current directory, because a BufRead autocommand that does + * ":lcd %:p:h" changes the meaning of short path names. */ + os_dirname(dirname_start, MAXPATHL); + + /* Remember the value of qf_start, so that we can check for autocommands + * changing the current quickfix list. */ + cur_qf_start = qi->qf_lists[qi->qf_curlist].qf_start; + + seconds = (time_t)0; + for (fi = 0; fi < fcount && !got_int && tomatch > 0; ++fi) { + fname = path_shorten_fname_if_possible(fnames[fi]); + if (time(NULL) > seconds) { + /* Display the file name every second or so, show the user we are + * working on it. */ + seconds = time(NULL); + msg_start(); + p = msg_strtrunc(fname, TRUE); + if (p == NULL) + msg_outtrans(fname); + else { + msg_outtrans(p); + free(p); + } + msg_clr_eos(); + msg_didout = FALSE; /* overwrite this message */ + msg_nowait = TRUE; /* don't wait for this message */ + msg_col = 0; + out_flush(); + } + + buf = buflist_findname_exp(fnames[fi]); + if (buf == NULL || buf->b_ml.ml_mfp == NULL) { + /* Remember that a buffer with this name already exists. */ + duplicate_name = (buf != NULL); + using_dummy = TRUE; + redraw_for_dummy = TRUE; + + /* Don't do Filetype autocommands to avoid loading syntax and + * indent scripts, a great speed improvement. */ + save_ei = au_event_disable(",Filetype"); + /* Don't use modelines here, it's useless. */ + save_mls = p_mls; + p_mls = 0; + + /* Load file into a buffer, so that 'fileencoding' is detected, + * autocommands applied, etc. */ + buf = load_dummy_buffer(fname, dirname_start, dirname_now); + + p_mls = save_mls; + au_event_restore(save_ei); + } else + /* Use existing, loaded buffer. */ + using_dummy = FALSE; + + if (cur_qf_start != qi->qf_lists[qi->qf_curlist].qf_start) { + int idx; + + /* Autocommands changed the quickfix list. Find the one we were + * using and restore it. */ + for (idx = 0; idx < LISTCOUNT; ++idx) + if (cur_qf_start == qi->qf_lists[idx].qf_start) { + qi->qf_curlist = idx; + break; + } + if (idx == LISTCOUNT) { + /* List cannot be found, create a new one. */ + qf_new_list(qi, *eap->cmdlinep); + cur_qf_start = qi->qf_lists[qi->qf_curlist].qf_start; + } + } + + if (buf == NULL) { + if (!got_int) + smsg((char_u *)_("Cannot open file \"%s\""), fname); + } else { + /* Try for a match in all lines of the buffer. + * For ":1vimgrep" look for first match only. */ + found_match = FALSE; + for (lnum = 1; lnum <= buf->b_ml.ml_line_count && tomatch > 0; + ++lnum) { + col = 0; + while (vim_regexec_multi(®match, curwin, buf, lnum, + col, NULL) > 0) { + ; + if (qf_add_entry(qi, &prevp, + NULL, /* dir */ + fname, + 0, + ml_get_buf(buf, + regmatch.startpos[0].lnum + lnum, FALSE), + regmatch.startpos[0].lnum + lnum, + regmatch.startpos[0].col + 1, + FALSE, /* vis_col */ + NULL, /* search pattern */ + 0, /* nr */ + 0, /* type */ + TRUE /* valid */ + ) == FAIL) { + got_int = TRUE; + break; + } + found_match = TRUE; + if (--tomatch == 0) + break; + if ((flags & VGR_GLOBAL) == 0 + || regmatch.endpos[0].lnum > 0) + break; + col = regmatch.endpos[0].col + + (col == regmatch.endpos[0].col); + if (col > (colnr_T)STRLEN(ml_get_buf(buf, lnum, FALSE))) + break; + } + line_breakcheck(); + if (got_int) + break; + } + cur_qf_start = qi->qf_lists[qi->qf_curlist].qf_start; + + if (using_dummy) { + if (found_match && first_match_buf == NULL) + first_match_buf = buf; + if (duplicate_name) { + /* Never keep a dummy buffer if there is another buffer + * with the same name. */ + wipe_dummy_buffer(buf, dirname_start); + buf = NULL; + } else if (!cmdmod.hide + || buf->b_p_bh[0] == 'u' /* "unload" */ + || buf->b_p_bh[0] == 'w' /* "wipe" */ + || buf->b_p_bh[0] == 'd') { /* "delete" */ + /* When no match was found we don't need to remember the + * buffer, wipe it out. If there was a match and it + * wasn't the first one or we won't jump there: only + * unload the buffer. + * Ignore 'hidden' here, because it may lead to having too + * many swap files. */ + if (!found_match) { + wipe_dummy_buffer(buf, dirname_start); + buf = NULL; + } else if (buf != first_match_buf || (flags & VGR_NOJUMP)) { + unload_dummy_buffer(buf, dirname_start); + buf = NULL; + } + } + + if (buf != NULL) { + /* If the buffer is still loaded we need to use the + * directory we jumped to below. */ + if (buf == first_match_buf + && target_dir == NULL + && STRCMP(dirname_start, dirname_now) != 0) + target_dir = vim_strsave(dirname_now); + + /* The buffer is still loaded, the Filetype autocommands + * need to be done now, in that buffer. And the modelines + * need to be done (again). But not the window-local + * options! */ + aucmd_prepbuf(&aco, buf); + apply_autocmds(EVENT_FILETYPE, buf->b_p_ft, + buf->b_fname, TRUE, buf); + do_modelines(OPT_NOWIN); + aucmd_restbuf(&aco); + } + } + } + } + + FreeWild(fcount, fnames); + + qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE; + qi->qf_lists[qi->qf_curlist].qf_ptr = qi->qf_lists[qi->qf_curlist].qf_start; + qi->qf_lists[qi->qf_curlist].qf_index = 1; + + qf_update_buffer(qi); + + if (au_name != NULL) + apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name, + curbuf->b_fname, TRUE, curbuf); + + /* Jump to first match. */ + if (qi->qf_lists[qi->qf_curlist].qf_count > 0) { + if ((flags & VGR_NOJUMP) == 0) { + buf = curbuf; + qf_jump(qi, 0, 0, eap->forceit); + if (buf != curbuf) + /* If we jumped to another buffer redrawing will already be + * taken care of. */ + redraw_for_dummy = FALSE; + + /* Jump to the directory used after loading the buffer. */ + if (curbuf == first_match_buf && target_dir != NULL) { + exarg_T ea; + + ea.arg = target_dir; + ea.cmdidx = CMD_lcd; + ex_cd(&ea); + } + } + } else + EMSG2(_(e_nomatch2), s); + + /* If we loaded a dummy buffer into the current window, the autocommands + * may have messed up things, need to redraw and recompute folds. */ + if (redraw_for_dummy) { + foldUpdateAll(curwin); + } + +theend: + free(dirname_now); + free(dirname_start); + free(target_dir); + vim_regfree(regmatch.regprog); +} + +/* + * Skip over the pattern argument of ":vimgrep /pat/[g][j]". + * Put the start of the pattern in "*s", unless "s" is NULL. + * If "flags" is not NULL put the flags in it: VGR_GLOBAL, VGR_NOJUMP. + * If "s" is not NULL terminate the pattern with a NUL. + * Return a pointer to the char just past the pattern plus flags. + */ +char_u *skip_vimgrep_pat(char_u *p, char_u **s, int *flags) +{ + int c; + + if (vim_isIDc(*p)) { + /* ":vimgrep pattern fname" */ + if (s != NULL) + *s = p; + p = skiptowhite(p); + if (s != NULL && *p != NUL) + *p++ = NUL; + } else { + /* ":vimgrep /pattern/[g][j] fname" */ + if (s != NULL) + *s = p + 1; + c = *p; + p = skip_regexp(p + 1, c, TRUE, NULL); + if (*p != c) + return NULL; + + /* Truncate the pattern. */ + if (s != NULL) + *p = NUL; + ++p; + + /* Find the flags */ + while (*p == 'g' || *p == 'j') { + if (flags != NULL) { + if (*p == 'g') + *flags |= VGR_GLOBAL; + else + *flags |= VGR_NOJUMP; + } + ++p; + } + } + return p; +} + +/* + * Restore current working directory to "dirname_start" if they differ, taking + * into account whether it is set locally or globally. + */ +static void restore_start_dir(char_u *dirname_start) +{ + char_u *dirname_now = alloc(MAXPATHL); + + os_dirname(dirname_now, MAXPATHL); + if (STRCMP(dirname_start, dirname_now) != 0) { + /* If the directory has changed, change it back by building up an + * appropriate ex command and executing it. */ + exarg_T ea; + + ea.arg = dirname_start; + ea.cmdidx = (curwin->w_localdir == NULL) ? CMD_cd : CMD_lcd; + ex_cd(&ea); + } + free(dirname_now); +} + +/* + * Load file "fname" into a dummy buffer and return the buffer pointer, + * placing the directory resulting from the buffer load into the + * "resulting_dir" pointer. "resulting_dir" must be allocated by the caller + * prior to calling this function. Restores directory to "dirname_start" prior + * to returning, if autocmds or the 'autochdir' option have changed it. + * + * If creating the dummy buffer does not fail, must call unload_dummy_buffer() + * or wipe_dummy_buffer() later! + * + * Returns NULL if it fails. + */ +static buf_T * +load_dummy_buffer ( + char_u *fname, + char_u *dirname_start, /* in: old directory */ + char_u *resulting_dir /* out: new directory */ +) +{ + buf_T *newbuf; + buf_T *newbuf_to_wipe = NULL; + int failed = TRUE; + aco_save_T aco; + + /* Allocate a buffer without putting it in the buffer list. */ + newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); + if (newbuf == NULL) + return NULL; + + /* Init the options. */ + buf_copy_options(newbuf, BCO_ENTER | BCO_NOHELP); + + /* need to open the memfile before putting the buffer in a window */ + if (ml_open(newbuf) == OK) { + /* set curwin/curbuf to buf and save a few things */ + aucmd_prepbuf(&aco, newbuf); + + /* Need to set the filename for autocommands. */ + (void)setfname(curbuf, fname, NULL, FALSE); + + /* Create swap file now to avoid the ATTENTION message. */ + check_need_swap(TRUE); + + /* Remove the "dummy" flag, otherwise autocommands may not + * work. */ + curbuf->b_flags &= ~BF_DUMMY; + + if (readfile(fname, NULL, + (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, + NULL, READ_NEW | READ_DUMMY) == OK + && !got_int + && !(curbuf->b_flags & BF_NEW)) { + failed = FALSE; + if (curbuf != newbuf) { + /* Bloody autocommands changed the buffer! Can happen when + * using netrw and editing a remote file. Use the current + * buffer instead, delete the dummy one after restoring the + * window stuff. */ + newbuf_to_wipe = newbuf; + newbuf = curbuf; + } + } + + /* restore curwin/curbuf and a few other things */ + aucmd_restbuf(&aco); + if (newbuf_to_wipe != NULL && buf_valid(newbuf_to_wipe)) + wipe_buffer(newbuf_to_wipe, FALSE); + } + + /* + * When autocommands/'autochdir' option changed directory: go back. + * Let the caller know what the resulting dir was first, in case it is + * important. + */ + os_dirname(resulting_dir, MAXPATHL); + restore_start_dir(dirname_start); + + if (!buf_valid(newbuf)) + return NULL; + if (failed) { + wipe_dummy_buffer(newbuf, dirname_start); + return NULL; + } + return newbuf; +} + +/* + * Wipe out the dummy buffer that load_dummy_buffer() created. Restores + * directory to "dirname_start" prior to returning, if autocmds or the + * 'autochdir' option have changed it. + */ +static void wipe_dummy_buffer(buf_T *buf, char_u *dirname_start) +{ + if (curbuf != buf) { /* safety check */ + cleanup_T cs; + + /* Reset the error/interrupt/exception state here so that aborting() + * returns FALSE when wiping out the buffer. Otherwise it doesn't + * work when got_int is set. */ + enter_cleanup(&cs); + + wipe_buffer(buf, FALSE); + + /* Restore the error/interrupt/exception state if not discarded by a + * new aborting error, interrupt, or uncaught exception. */ + leave_cleanup(&cs); + /* When autocommands/'autochdir' option changed directory: go back. */ + restore_start_dir(dirname_start); + } +} + +/* + * Unload the dummy buffer that load_dummy_buffer() created. Restores + * directory to "dirname_start" prior to returning, if autocmds or the + * 'autochdir' option have changed it. + */ +static void unload_dummy_buffer(buf_T *buf, char_u *dirname_start) +{ + if (curbuf != buf) { /* safety check */ + close_buffer(NULL, buf, DOBUF_UNLOAD, FALSE); + + /* When autocommands/'autochdir' option changed directory: go back. */ + restore_start_dir(dirname_start); + } +} + +/* + * Add each quickfix error to list "list" as a dictionary. + */ +int get_errorlist(win_T *wp, list_T *list) +{ + qf_info_T *qi = &ql_info; + dict_T *dict; + char_u buf[2]; + qfline_T *qfp; + int i; + int bufnum; + + if (wp != NULL) { + qi = GET_LOC_LIST(wp); + if (qi == NULL) + return FAIL; + } + + if (qi->qf_curlist >= qi->qf_listcount + || qi->qf_lists[qi->qf_curlist].qf_count == 0) + return FAIL; + + qfp = qi->qf_lists[qi->qf_curlist].qf_start; + for (i = 1; !got_int && i <= qi->qf_lists[qi->qf_curlist].qf_count; ++i) { + /* Handle entries with a non-existing buffer number. */ + bufnum = qfp->qf_fnum; + if (bufnum != 0 && (buflist_findnr(bufnum) == NULL)) + bufnum = 0; + + if ((dict = dict_alloc()) == NULL) + return FAIL; + list_append_dict(list, dict); + + buf[0] = qfp->qf_type; + buf[1] = NUL; + if ( dict_add_nr_str(dict, "bufnr", (long)bufnum, NULL) == FAIL + || dict_add_nr_str(dict, "lnum", (long)qfp->qf_lnum, NULL) == FAIL + || dict_add_nr_str(dict, "col", (long)qfp->qf_col, NULL) == FAIL + || dict_add_nr_str(dict, "vcol", (long)qfp->qf_viscol, NULL) == FAIL + || dict_add_nr_str(dict, "nr", (long)qfp->qf_nr, NULL) == FAIL + || dict_add_nr_str(dict, "pattern", 0L, + qfp->qf_pattern == NULL ? (char_u *)"" : qfp->qf_pattern) == FAIL + || dict_add_nr_str(dict, "text", 0L, + qfp->qf_text == NULL ? (char_u *)"" : qfp->qf_text) == FAIL + || dict_add_nr_str(dict, "type", 0L, buf) == FAIL + || dict_add_nr_str(dict, "valid", (long)qfp->qf_valid, NULL) == FAIL) + return FAIL; + + qfp = qfp->qf_next; + } + return OK; +} + +/* + * Populate the quickfix list with the items supplied in the list + * of dictionaries. "title" will be copied to w:quickfix_title + */ +int set_errorlist(win_T *wp, list_T *list, int action, char_u *title) +{ + listitem_T *li; + dict_T *d; + char_u *filename, *pattern, *text, *type; + int bufnum; + long lnum; + int col, nr; + int vcol; + qfline_T *prevp = NULL; + int valid, status; + int retval = OK; + qf_info_T *qi = &ql_info; + int did_bufnr_emsg = FALSE; + + if (wp != NULL) { + qi = ll_get_or_alloc_list(wp); + } + + if (action == ' ' || qi->qf_curlist == qi->qf_listcount) + /* make place for a new list */ + qf_new_list(qi, title); + else if (action == 'a' && qi->qf_lists[qi->qf_curlist].qf_count > 0) + /* Adding to existing list, find last entry. */ + for (prevp = qi->qf_lists[qi->qf_curlist].qf_start; + prevp->qf_next != prevp; prevp = prevp->qf_next) + ; + else if (action == 'r') + qf_free(qi, qi->qf_curlist); + + for (li = list->lv_first; li != NULL; li = li->li_next) { + if (li->li_tv.v_type != VAR_DICT) + continue; /* Skip non-dict items */ + + d = li->li_tv.vval.v_dict; + if (d == NULL) + continue; + + filename = get_dict_string(d, (char_u *)"filename", TRUE); + bufnum = get_dict_number(d, (char_u *)"bufnr"); + lnum = get_dict_number(d, (char_u *)"lnum"); + col = get_dict_number(d, (char_u *)"col"); + vcol = get_dict_number(d, (char_u *)"vcol"); + nr = get_dict_number(d, (char_u *)"nr"); + type = get_dict_string(d, (char_u *)"type", TRUE); + pattern = get_dict_string(d, (char_u *)"pattern", TRUE); + text = get_dict_string(d, (char_u *)"text", TRUE); + if (text == NULL) + text = vim_strsave((char_u *)""); + + valid = TRUE; + if ((filename == NULL && bufnum == 0) || (lnum == 0 && pattern == NULL)) + valid = FALSE; + + /* Mark entries with non-existing buffer number as not valid. Give the + * error message only once. */ + if (bufnum != 0 && (buflist_findnr(bufnum) == NULL)) { + if (!did_bufnr_emsg) { + did_bufnr_emsg = TRUE; + EMSGN(_("E92: Buffer %" PRId64 " not found"), bufnum); + } + valid = FALSE; + bufnum = 0; + } + + status = qf_add_entry(qi, &prevp, + NULL, /* dir */ + filename, + bufnum, + text, + lnum, + col, + vcol, /* vis_col */ + pattern, /* search pattern */ + nr, + type == NULL ? NUL : *type, + valid); + + free(filename); + free(pattern); + free(text); + free(type); + + if (status == FAIL) { + retval = FAIL; + break; + } + } + + if (qi->qf_lists[qi->qf_curlist].qf_index == 0) + /* no valid entry */ + qi->qf_lists[qi->qf_curlist].qf_nonevalid = TRUE; + else + qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE; + qi->qf_lists[qi->qf_curlist].qf_ptr = qi->qf_lists[qi->qf_curlist].qf_start; + qi->qf_lists[qi->qf_curlist].qf_index = 1; + + qf_update_buffer(qi); + + return retval; +} + +/* + * ":[range]cbuffer [bufnr]" command. + * ":[range]caddbuffer [bufnr]" command. + * ":[range]cgetbuffer [bufnr]" command. + * ":[range]lbuffer [bufnr]" command. + * ":[range]laddbuffer [bufnr]" command. + * ":[range]lgetbuffer [bufnr]" command. + */ +void ex_cbuffer(exarg_T *eap) +{ + buf_T *buf = NULL; + qf_info_T *qi = &ql_info; + + if (eap->cmdidx == CMD_lbuffer || eap->cmdidx == CMD_lgetbuffer + || eap->cmdidx == CMD_laddbuffer) { + qi = ll_get_or_alloc_list(curwin); + } + + if (*eap->arg == NUL) + buf = curbuf; + else if (*skipwhite(skipdigits(eap->arg)) == NUL) + buf = buflist_findnr(atoi((char *)eap->arg)); + if (buf == NULL) + EMSG(_(e_invarg)); + else if (buf->b_ml.ml_mfp == NULL) + EMSG(_("E681: Buffer is not loaded")); + else { + if (eap->addr_count == 0) { + eap->line1 = 1; + eap->line2 = buf->b_ml.ml_line_count; + } + if (eap->line1 < 1 || eap->line1 > buf->b_ml.ml_line_count + || eap->line2 < 1 || eap->line2 > buf->b_ml.ml_line_count) + EMSG(_(e_invrange)); + else { + char_u *qf_title = *eap->cmdlinep; + + if (buf->b_sfname) { + vim_snprintf((char *)IObuff, IOSIZE, "%s (%s)", + (char *)qf_title, (char *)buf->b_sfname); + qf_title = IObuff; + } + + if (qf_init_ext(qi, NULL, buf, NULL, p_efm, + (eap->cmdidx != CMD_caddbuffer + && eap->cmdidx != CMD_laddbuffer), + eap->line1, eap->line2, + qf_title) > 0 + && (eap->cmdidx == CMD_cbuffer + || eap->cmdidx == CMD_lbuffer)) + qf_jump(qi, 0, 0, eap->forceit); /* display first error */ + } + } +} + +/* + * ":cexpr {expr}", ":cgetexpr {expr}", ":caddexpr {expr}" command. + * ":lexpr {expr}", ":lgetexpr {expr}", ":laddexpr {expr}" command. + */ +void ex_cexpr(exarg_T *eap) +{ + typval_T *tv; + qf_info_T *qi = &ql_info; + + if (eap->cmdidx == CMD_lexpr || eap->cmdidx == CMD_lgetexpr + || eap->cmdidx == CMD_laddexpr) { + qi = ll_get_or_alloc_list(curwin); + } + + /* Evaluate the expression. When the result is a string or a list we can + * use it to fill the errorlist. */ + tv = eval_expr(eap->arg, NULL); + if (tv != NULL) { + if ((tv->v_type == VAR_STRING && tv->vval.v_string != NULL) + || (tv->v_type == VAR_LIST && tv->vval.v_list != NULL)) { + if (qf_init_ext(qi, NULL, NULL, tv, p_efm, + (eap->cmdidx != CMD_caddexpr + && eap->cmdidx != CMD_laddexpr), + (linenr_T)0, (linenr_T)0, *eap->cmdlinep) > 0 + && (eap->cmdidx == CMD_cexpr + || eap->cmdidx == CMD_lexpr)) + qf_jump(qi, 0, 0, eap->forceit); /* display first error */ + } else + EMSG(_("E777: String or List expected")); + free_tv(tv); + } +} + +/* + * ":helpgrep {pattern}" + */ +void ex_helpgrep(exarg_T *eap) +{ + regmatch_T regmatch; + char_u *save_cpo; + char_u *p; + int fcount; + char_u **fnames; + FILE *fd; + int fi; + qfline_T *prevp = NULL; + long lnum; + char_u *lang; + qf_info_T *qi = &ql_info; + int new_qi = FALSE; + win_T *wp; + char_u *au_name = NULL; + + /* Check for a specified language */ + lang = check_help_lang(eap->arg); + + switch (eap->cmdidx) { + case CMD_helpgrep: au_name = (char_u *)"helpgrep"; break; + case CMD_lhelpgrep: au_name = (char_u *)"lhelpgrep"; break; + default: break; + } + if (au_name != NULL) { + apply_autocmds(EVENT_QUICKFIXCMDPRE, au_name, + curbuf->b_fname, TRUE, curbuf); + if (did_throw || force_abort) + return; + } + + /* Make 'cpoptions' empty, the 'l' flag should not be used here. */ + save_cpo = p_cpo; + p_cpo = empty_option; + + if (eap->cmdidx == CMD_lhelpgrep) { + /* Find an existing help window */ + FOR_ALL_WINDOWS(wp) + if (wp->w_buffer != NULL && wp->w_buffer->b_help) + break; + + if (wp == NULL) /* Help window not found */ + qi = NULL; + else + qi = wp->w_llist; + + if (qi == NULL) { + /* Allocate a new location list for help text matches */ + qi = ll_new_list(); + new_qi = TRUE; + } + } + + regmatch.regprog = vim_regcomp(eap->arg, RE_MAGIC + RE_STRING); + regmatch.rm_ic = FALSE; + if (regmatch.regprog != NULL) { + vimconv_T vc; + + /* Help files are in utf-8 or latin1, convert lines when 'encoding' + * differs. */ + vc.vc_type = CONV_NONE; + if (!enc_utf8) + convert_setup(&vc, (char_u *)"utf-8", p_enc); + + /* create a new quickfix list */ + qf_new_list(qi, *eap->cmdlinep); + + /* Go through all directories in 'runtimepath' */ + p = p_rtp; + while (*p != NUL && !got_int) { + copy_option_part(&p, NameBuff, MAXPATHL, ","); + + /* Find all "*.txt" and "*.??x" files in the "doc" directory. */ + add_pathsep(NameBuff); + STRCAT(NameBuff, "doc/*.\\(txt\\|??x\\)"); + if (gen_expand_wildcards(1, &NameBuff, &fcount, + &fnames, EW_FILE|EW_SILENT) == OK + && fcount > 0) { + for (fi = 0; fi < fcount && !got_int; ++fi) { + /* Skip files for a different language. */ + if (lang != NULL + && STRNICMP(lang, fnames[fi] + + STRLEN(fnames[fi]) - 3, 2) != 0 + && !(STRNICMP(lang, "en", 2) == 0 + && STRNICMP("txt", fnames[fi] + + STRLEN(fnames[fi]) - 3, 3) == 0)) + continue; + fd = mch_fopen((char *)fnames[fi], "r"); + if (fd != NULL) { + lnum = 1; + while (!vim_fgets(IObuff, IOSIZE, fd) && !got_int) { + char_u *line = IObuff; + /* Convert a line if 'encoding' is not utf-8 and + * the line contains a non-ASCII character. */ + if (vc.vc_type != CONV_NONE + && has_non_ascii(IObuff)) { + line = string_convert(&vc, IObuff, NULL); + if (line == NULL) + line = IObuff; + } + + if (vim_regexec(®match, line, (colnr_T)0)) { + int l = (int)STRLEN(line); + + /* remove trailing CR, LF, spaces, etc. */ + while (l > 0 && line[l - 1] <= ' ') + line[--l] = NUL; + + if (qf_add_entry(qi, &prevp, + NULL, /* dir */ + fnames[fi], + 0, + line, + lnum, + (int)(regmatch.startp[0] - line) + + 1, /* col */ + FALSE, /* vis_col */ + NULL, /* search pattern */ + 0, /* nr */ + 1, /* type */ + TRUE /* valid */ + ) == FAIL) { + got_int = TRUE; + if (line != IObuff) + free(line); + break; + } + } + if (line != IObuff) + free(line); + ++lnum; + line_breakcheck(); + } + fclose(fd); + } + } + FreeWild(fcount, fnames); + } + } + + vim_regfree(regmatch.regprog); + if (vc.vc_type != CONV_NONE) + convert_setup(&vc, NULL, NULL); + + qi->qf_lists[qi->qf_curlist].qf_nonevalid = FALSE; + qi->qf_lists[qi->qf_curlist].qf_ptr = + qi->qf_lists[qi->qf_curlist].qf_start; + qi->qf_lists[qi->qf_curlist].qf_index = 1; + } + + if (p_cpo == empty_option) + p_cpo = save_cpo; + else + /* Darn, some plugin changed the value. */ + free_string_option(save_cpo); + + qf_update_buffer(qi); + + if (au_name != NULL) { + apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name, + curbuf->b_fname, TRUE, curbuf); + if (!new_qi && qi != &ql_info && qf_find_buf(qi) == NULL) + /* autocommands made "qi" invalid */ + return; + } + + /* Jump to first match. */ + if (qi->qf_lists[qi->qf_curlist].qf_count > 0) + qf_jump(qi, 0, 0, FALSE); + else + EMSG2(_(e_nomatch2), eap->arg); + + if (eap->cmdidx == CMD_lhelpgrep) { + /* If the help window is not opened or if it already points to the + * correct location list, then free the new location list. */ + if (!curwin->w_buffer->b_help || curwin->w_llist == qi) { + if (new_qi) + ll_free_all(&qi); + } else if (curwin->w_llist == NULL) + curwin->w_llist = qi; + } +} + |