summaryrefslogtreecommitdiff
path: root/src/quickfix.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/quickfix.c')
-rw-r--r--src/quickfix.c2232
1 files changed, 2232 insertions, 0 deletions
diff --git a/src/quickfix.c b/src/quickfix.c
new file mode 100644
index 000000000..5dbbc1b53
--- /dev/null
+++ b/src/quickfix.c
@@ -0,0 +1,2232 @@
+/* vi:set ts=8 sts=4 sw=4:
+ *
+ * VIM - Vi IMproved by Bram Moolenaar
+ *
+ * Do ":help uganda" in Vim to read copying and usage conditions.
+ * Do ":help credits" in Vim to see a list of people who contributed.
+ * See README.txt for an overview of the Vim source code.
+ */
+
+/*
+ * quickfix.c: functions for quickfix mode, using a file with error messages
+ */
+
+#include "vim.h"
+
+#if defined(FEAT_QUICKFIX) || defined(PROTO)
+
+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
+ */
+struct qf_line
+{
+ struct qf_line *qf_next; /* pointer to next error in the list */
+ struct qf_line *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_text; /* description of the error */
+ char_u qf_virt_col; /* 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
+
+struct qf_list
+{
+ struct qf_line *qf_start; /* pointer to the first error */
+ struct qf_line *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 */
+} qf_lists[LISTCOUNT];
+
+static int qf_curlist = 0; /* current error list */
+static int qf_listcount = 0; /* current number of lists */
+
+#define FMT_PATTERNS 9 /* maximum number of % recognized */
+
+/*
+ * Structure used to hold the info of one part of 'errorformat'
+ */
+struct eformat
+{
+ regprog_T *prog; /* pre-formatted part of 'errorformat' */
+ struct eformat *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 */
+};
+
+static void qf_new_list __ARGS((void));
+static int qf_add_entry __ARGS((struct qf_line **prevp, char_u *dir, char_u *fname, char_u *mesg, long lnum, int col, int virt_col, int nr, int type, int valid));
+static void qf_msg __ARGS((void));
+static void qf_free __ARGS((int idx));
+static char_u *qf_types __ARGS((int, int));
+static int qf_get_fnum __ARGS((char_u *, char_u *));
+static char_u *qf_push_dir __ARGS((char_u *, struct dir_stack_T **));
+static char_u *qf_pop_dir __ARGS((struct dir_stack_T **));
+static char_u *qf_guess_filepath __ARGS((char_u *));
+static void qf_fmt_text __ARGS((char_u *text, char_u *buf, int bufsize));
+static void qf_clean_dir_stack __ARGS((struct dir_stack_T **));
+#ifdef FEAT_WINDOWS
+static int qf_win_pos_update __ARGS((int old_qf_index));
+static buf_T *qf_find_buf __ARGS((void));
+static void qf_update_buffer __ARGS((void));
+static void qf_fill_buffer __ARGS((void));
+#endif
+static char_u *get_mef_name __ARGS((void));
+
+/*
+ * Read the errorfile into memory, line by line, building the error list.
+ * Return -1 for error, number of errors for success.
+ */
+ int
+qf_init(efile, errorformat, newlist)
+ char_u *efile;
+ char_u *errorformat;
+ int newlist; /* TRUE: start a new error list */
+{
+ char_u *namebuf;
+ char_u *errmsg;
+ char_u *fmtstr = NULL;
+ int col = 0;
+ char_u use_virt_col = FALSE;
+ int type = 0;
+ int valid;
+ long lnum = 0L;
+ int enr = 0;
+ FILE *fd;
+ struct qf_line *qfprev = NULL; /* init to make SASC shut up */
+ char_u *efmp;
+ struct eformat *fmt_first = NULL;
+ struct eformat *fmt_last = NULL;
+ struct eformat *fmt_ptr;
+ 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;
+ struct dir_stack_T *file_stack = NULL;
+ regmatch_T regmatch;
+ static struct fmtpattern
+ {
+ char_u convchar;
+ char *pattern;
+ } fmt_pat[FMT_PATTERNS] =
+ {
+ {'f', "\\f\\+"},
+ {'n', "\\d\\+"},
+ {'l', "\\d\\+"},
+ {'c', "\\d\\+"},
+ {'t', "."},
+ {'m', ".\\+"},
+ {'r', ".*"},
+ {'p', "[- .]*"},
+ {'v', "\\d\\+"}
+ };
+
+ if (efile == NULL)
+ return FAIL;
+
+ namebuf = alloc(CMDBUFFSIZE + 1);
+ errmsg = alloc(CMDBUFFSIZE + 1);
+ if (namebuf == NULL || errmsg == NULL)
+ goto qf_init_end;
+
+ if ((fd = mch_fopen((char *)efile, "r")) == NULL)
+ {
+ EMSG2(_(e_openerrf), efile);
+ goto qf_init_end;
+ }
+
+ if (newlist || qf_curlist == qf_listcount)
+ /* make place for a new list */
+ qf_new_list();
+ else if (qf_lists[qf_curlist].qf_count > 0)
+ /* Adding to existing list, find last entry. */
+ for (qfprev = qf_lists[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 && *curbuf->b_p_efm != NUL)
+ efm = curbuf->b_p_efm;
+ else
+ efm = errorformat;
+ /*
+ * Get some space to modify the format string into.
+ */
+ i = (FMT_PATTERNS * 3) + ((int)STRLEN(efm) << 2);
+ 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
+ if ((fmtstr = alloc(i)) == NULL)
+ goto error2;
+
+ while (efm[0])
+ {
+ /*
+ * Allocate a new eformat structure and put it at the end of the list
+ */
+ fmt_ptr = (struct eformat *)alloc((unsigned)sizeof(struct eformat));
+ if (fmt_ptr == NULL)
+ goto error2;
+ if (fmt_first == NULL) /* first one */
+ fmt_first = fmt_ptr;
+ else
+ fmt_last->next = fmt_ptr;
+ fmt_last = fmt_ptr;
+ fmt_ptr->prefix = NUL;
+ fmt_ptr->flags = NUL;
+ fmt_ptr->next = NULL;
+ fmt_ptr->prog = NULL;
+ for (round = FMT_PATTERNS; round > 0; )
+ fmt_ptr->addr[--round] = NUL;
+ /* round is 0 now */
+
+ /*
+ * 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++ = '^';
+ 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
+ && efmp[1] != '\\' && efmp[1] != '%')
+ {
+ /* A file name may contain spaces, but this isn't in
+ * "\f". use "[^x]\+" instead (x is next character) */
+ *ptr++ = '[';
+ *ptr++ = '^';
+ *ptr++ = efmp[1];
+ *ptr++ = ']';
+ *ptr++ = '\\';
+ *ptr++ = '+';
+ }
+ 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 *)"%\\.^$~[", *efmp) != NULL)
+ *ptr++ = *efmp; /* regexp magic characters */
+ else if (*efmp == '#')
+ *ptr++ = '*';
+ else if (efmp == efm + 1) /* analyse prefix */
+ {
+ if (vim_strchr((char_u *)"+-", *efmp) != NULL)
+ fmt_ptr->flags = *efmp++;
+ if (vim_strchr((char_u *)"DXAEWICZGOPQ", *efmp) != NULL)
+ fmt_ptr->prefix = *efmp;
+ else
+ {
+ sprintf((char *)errmsg,
+ _("E376: Invalid %%%c in format string prefix"), *efmp);
+ EMSG(errmsg);
+ goto error2;
+ }
+ }
+ else
+ {
+ sprintf((char *)errmsg,
+ _("E377: Invalid %%%c in format string"), *efmp);
+ EMSG(errmsg);
+ goto error2;
+ }
+ }
+ else /* copy normal character */
+ {
+ if (*efmp == '\\' && efmp + 1 < efm + len)
+ ++efmp;
+ else if (vim_strchr((char_u *)".*^$~[", *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;
+
+ /*
+ * Read the lines in the error file one by one.
+ * Try to recognize one of the error formats in each line.
+ */
+ while (fgets((char *)IObuff, CMDBUFFSIZE - 2, fd) != NULL && !got_int)
+ {
+ IObuff[CMDBUFFSIZE - 2] = NUL; /* for very long lines */
+ if ((efmp = vim_strrchr(IObuff, '\n')) != NULL)
+ *efmp = NUL;
+#ifdef USE_CRNL
+ if ((efmp = vim_strrchr(IObuff, '\r')) != NULL)
+ *efmp = NUL;
+#endif
+
+ /*
+ * Try to match each part of 'errorformat' until we find a complete
+ * match or no match.
+ */
+ valid = TRUE;
+restofline:
+ for (fmt_ptr = fmt_first; 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;
+ if (!multiscan)
+ errmsg[0] = NUL;
+ lnum = 0;
+ col = 0;
+ use_virt_col = FALSE;
+ enr = -1;
+ type = 0;
+ tail = NULL;
+
+ regmatch.regprog = fmt_ptr->prog;
+ if (vim_regexec(&regmatch, 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
+ */
+ if ((i = (int)fmt_ptr->addr[0]) > 0) /* %f */
+ {
+ len = (int)(regmatch.endp[i] - regmatch.startp[i]);
+ STRNCPY(namebuf, regmatch.startp[i], len);
+ namebuf[len] = NUL;
+ if (vim_strchr((char_u *)"OPQ", idx) != NULL
+ && mch_getperm(namebuf) == -1)
+ continue;
+ }
+ if ((i = (int)fmt_ptr->addr[1]) > 0) /* %n */
+ enr = (int)atol((char *)regmatch.startp[i]);
+ if ((i = (int)fmt_ptr->addr[2]) > 0) /* %l */
+ lnum = atol((char *)regmatch.startp[i]);
+ if ((i = (int)fmt_ptr->addr[3]) > 0) /* %c */
+ col = (int)atol((char *)regmatch.startp[i]);
+ if ((i = (int)fmt_ptr->addr[4]) > 0) /* %t */
+ type = *regmatch.startp[i];
+ if (fmt_ptr->flags == '+' && !multiscan) /* %+ */
+ STRCPY(errmsg, IObuff);
+ else if ((i = (int)fmt_ptr->addr[5]) > 0) /* %m */
+ {
+ len = (int)(regmatch.endp[i] - regmatch.startp[i]);
+ STRNCPY(errmsg, regmatch.startp[i], len);
+ errmsg[len] = NUL;
+ }
+ if ((i = (int)fmt_ptr->addr[6]) > 0) /* %r */
+ tail = regmatch.startp[i];
+ if ((i = (int)fmt_ptr->addr[7]) > 0) /* %p */
+ {
+ col = (int)(regmatch.endp[i] - regmatch.startp[i] + 1);
+ if (*((char_u *)regmatch.startp[i]) != TAB)
+ use_virt_col = TRUE;
+ }
+ if ((i = (int)fmt_ptr->addr[8]) > 0) /* %v */
+ {
+ col = (int)atol((char *)regmatch.startp[i]);
+ use_virt_col = TRUE;
+ }
+ break;
+ }
+ }
+ multiscan = FALSE;
+ if (!fmt_ptr || idx == 'D' || idx == 'X')
+ {
+ if (fmt_ptr)
+ {
+ 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)
+ multiline = multiignore = FALSE;
+ }
+ else if (fmt_ptr)
+ {
+ if (vim_strchr((char_u *)"AEWI", idx) != NULL)
+ multiline = TRUE; /* start of a multi-line message */
+ 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);
+ if ((ptr = alloc((unsigned)(len + STRLEN(errmsg) + 2)))
+ == NULL)
+ goto error2;
+ STRCPY(ptr, qfprev->qf_text);
+ vim_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_virt_col = use_virt_col;
+ 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 || mch_getperm(namebuf) >= 0)
+ {
+ 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)
+ {
+ STRCPY(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(&qfprev,
+ directory,
+ *namebuf || directory
+ ? namebuf
+ : currfile && valid ? currfile : NULL,
+ errmsg,
+ lnum,
+ col,
+ use_virt_col,
+ enr,
+ type,
+ valid) == FAIL)
+ goto error2;
+ line_breakcheck();
+ }
+ if (!ferror(fd))
+ {
+ if (qf_lists[qf_curlist].qf_index == 0) /* no valid entry found */
+ {
+ qf_lists[qf_curlist].qf_ptr = qf_lists[qf_curlist].qf_start;
+ qf_lists[qf_curlist].qf_index = 1;
+ qf_lists[qf_curlist].qf_nonevalid = TRUE;
+ }
+ else
+ {
+ qf_lists[qf_curlist].qf_nonevalid = FALSE;
+ if (qf_lists[qf_curlist].qf_ptr == NULL)
+ qf_lists[qf_curlist].qf_ptr = qf_lists[qf_curlist].qf_start;
+ }
+ retval = qf_lists[qf_curlist].qf_count; /* return number of matches */
+ goto qf_init_ok;
+ }
+ EMSG(_(e_readerrf));
+error2:
+ qf_free(qf_curlist);
+ qf_listcount--;
+ if (qf_curlist > 0)
+ --qf_curlist;
+qf_init_ok:
+ fclose(fd);
+ for (fmt_ptr = fmt_first; fmt_ptr != NULL; fmt_ptr = fmt_first)
+ {
+ fmt_first = fmt_ptr->next;
+ vim_free(fmt_ptr->prog);
+ vim_free(fmt_ptr);
+ }
+ qf_clean_dir_stack(&dir_stack);
+ qf_clean_dir_stack(&file_stack);
+qf_init_end:
+ vim_free(namebuf);
+ vim_free(errmsg);
+ vim_free(fmtstr);
+
+#ifdef FEAT_WINDOWS
+ qf_update_buffer();
+#endif
+
+ return retval;
+}
+
+/*
+ * Prepare for adding a new quickfix list.
+ */
+ static void
+qf_new_list()
+{
+ 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 (qf_listcount > qf_curlist + 1)
+ qf_free(--qf_listcount);
+
+ /*
+ * When the stack is full, remove to oldest entry
+ * Otherwise, add a new entry.
+ */
+ if (qf_listcount == LISTCOUNT)
+ {
+ qf_free(0);
+ for (i = 1; i < LISTCOUNT; ++i)
+ qf_lists[i - 1] = qf_lists[i];
+ qf_curlist = LISTCOUNT - 1;
+ }
+ else
+ qf_curlist = qf_listcount++;
+ qf_lists[qf_curlist].qf_index = 0;
+ qf_lists[qf_curlist].qf_count = 0;
+}
+
+/*
+ * Add an entry to the end of the list of errors.
+ * Returns OK or FAIL.
+ */
+ static int
+qf_add_entry(prevp, dir, fname, mesg, lnum, col, virt_col, nr, type, valid)
+ struct qf_line **prevp; /* pointer to previously added entry or NULL */
+ char_u *dir; /* optional directory name */
+ char_u *fname; /* file name or NULL */
+ char_u *mesg; /* message */
+ long lnum; /* line number */
+ int col; /* column */
+ int virt_col; /* using virtual column */
+ int nr; /* error number */
+ int type; /* type character */
+ int valid; /* valid entry */
+{
+ struct qf_line *qfp;
+
+ if ((qfp = (struct qf_line *)alloc((unsigned)sizeof(struct qf_line)))
+ == NULL)
+ return FAIL;
+ qfp->qf_fnum = qf_get_fnum(dir, fname);
+ if ((qfp->qf_text = vim_strsave(mesg)) == NULL)
+ {
+ vim_free(qfp);
+ return FAIL;
+ }
+ qfp->qf_lnum = lnum;
+ qfp->qf_col = col;
+ qfp->qf_virt_col = virt_col;
+ 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 (qf_lists[qf_curlist].qf_count == 0) /* first element in the list */
+ {
+ qf_lists[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;
+ ++qf_lists[qf_curlist].qf_count;
+ if (qf_lists[qf_curlist].qf_index == 0 && qfp->qf_valid)
+ /* first valid entry */
+ {
+ qf_lists[qf_curlist].qf_index = qf_lists[qf_curlist].qf_count;
+ qf_lists[qf_curlist].qf_ptr = qfp;
+ }
+
+ return OK;
+}
+
+/*
+ * get buffer number for file "dir.name"
+ */
+ static int
+qf_get_fnum(directory, fname)
+ char_u *directory;
+ char_u *fname;
+{
+ if (fname == NULL || *fname == NUL) /* no file name */
+ return 0;
+ {
+#ifdef RISCOS
+ /* Name is reported as `main.c', but file is `c.main' */
+ return ro_buflist_add(fname);
+#else
+ char_u *ptr;
+ int fnum;
+
+# ifdef VMS
+ vms_remove_version(fname);
+# endif
+# 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)) != NULL)
+ {
+ /*
+ * 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 (mch_getperm(ptr) < 0)
+ {
+ vim_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);
+ vim_free(ptr);
+ return fnum;
+ }
+ return buflist_add(fname, 0);
+#endif
+ }
+}
+
+/*
+ * push dirbuf onto the directory stack and return pointer to actual dir or
+ * NULL on error
+ */
+ static char_u *
+qf_push_dir(dirbuf, stackptr)
+ 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));
+ if (ds_new == NULL)
+ return NULL;
+
+ 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)
+ {
+ vim_free((*stackptr)->dirname);
+ (*stackptr)->dirname = concat_fnames(ds_new->dirname, dirbuf,
+ TRUE);
+ if (mch_isdir((*stackptr)->dirname) == TRUE)
+ 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;
+ vim_free(ds_ptr->dirname);
+ vim_free(ds_ptr);
+ }
+
+ /* Nothing found -> it must be on top level */
+ if (ds_new == NULL)
+ {
+ vim_free((*stackptr)->dirname);
+ (*stackptr)->dirname = vim_strsave(dirbuf);
+ }
+ }
+
+ if ((*stackptr)->dirname != NULL)
+ return (*stackptr)->dirname;
+ else
+ {
+ ds_ptr = *stackptr;
+ *stackptr = (*stackptr)->next;
+ vim_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(stackptr)
+ 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;
+ vim_free(ds_ptr->dirname);
+ vim_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(stackptr)
+ struct dir_stack_T **stackptr;
+{
+ struct dir_stack_T *ds_ptr;
+
+ while ((ds_ptr = *stackptr) != NULL)
+ {
+ *stackptr = (*stackptr)->next;
+ vim_free(ds_ptr->dirname);
+ vim_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(filename)
+ 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)
+ {
+ vim_free(fullname);
+ fullname = concat_fnames(ds_ptr->dirname, filename, TRUE);
+
+ /* If concat_fnames failed, just go on. The worst thing that can happen
+ * is that we delete the entire stack.
+ */
+ if ((fullname != NULL) && (mch_getperm(fullname) >= 0))
+ break;
+
+ ds_ptr = ds_ptr->next;
+ }
+
+ vim_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;
+ vim_free(ds_tmp->dirname);
+ vim_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(dir, errornr, forceit)
+ int dir;
+ int errornr;
+ int forceit;
+{
+ struct qf_line *qf_ptr;
+ struct qf_line *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;
+ char_u *old_swb = p_swb;
+ colnr_T screen_col;
+ colnr_T char_col;
+ char_u *line;
+#ifdef FEAT_WINDOWS
+ int opened_window = FALSE;
+ win_T *win;
+ win_T *altwin;
+#endif
+ int print_message = TRUE;
+ int len;
+#ifdef FEAT_FOLDING
+ int old_KeyTyped = KeyTyped; /* getting file may reset it */
+#endif
+
+ if (qf_curlist >= qf_listcount || qf_lists[qf_curlist].qf_count == 0)
+ {
+ EMSG(_(e_quickfix));
+ return;
+ }
+
+ qf_ptr = qf_lists[qf_curlist].qf_ptr;
+ old_qf_ptr = qf_ptr;
+ qf_index = qf_lists[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 == qf_lists[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 ((!qf_lists[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 ((!qf_lists[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 < qf_lists[qf_curlist].qf_count
+ && qf_ptr->qf_next != NULL)
+ {
+ ++qf_index;
+ qf_ptr = qf_ptr->qf_next;
+ }
+ }
+
+#ifdef FEAT_WINDOWS
+ qf_lists[qf_curlist].qf_index = qf_index;
+ if (qf_win_pos_update(old_qf_index))
+ /* No need to print the error message if it's visible in the error
+ * window */
+ print_message = FALSE;
+
+ /*
+ * If currently in the quickfix window, find another window to show the
+ * file in.
+ */
+ if (bt_quickfix(curbuf))
+ {
+ /*
+ * 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;
+
+ /*
+ * If there is only one window, create a new one above the quickfix
+ * window.
+ */
+ if (firstwin == lastwin)
+ {
+ if (win_split(0, WSP_ABOVE) == FAIL)
+ goto failed; /* not enough room for window */
+ opened_window = TRUE; /* close it when fail */
+ p_swb = empty_option; /* don't split again */
+# ifdef FEAT_SCROLLBIND
+ curwin->w_p_scb = FALSE;
+# endif
+ }
+ 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 (bt_quickfix(win->w_buffer))
+ {
+ /* 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);
+ }
+ }
+#endif
+
+ /*
+ * 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 || buflist_getfile(qf_ptr->qf_fnum,
+ (linenr_T)1, GETF_SETMARK | GETF_SWITCH, forceit) == OK)
+ {
+ /* When not switched to another buffer, still need to set pc mark */
+ if (curbuf == old_curbuf)
+ setpcmark();
+
+ /*
+ * 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_virt_col == 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);
+
+#ifdef FEAT_FOLDING
+ if ((fdo_flags & FDO_QUICKFIX) && old_KeyTyped)
+ foldOpenCursor();
+#endif
+ if (print_message)
+ {
+ /* Update the screen before showing the message */
+ update_topline_redraw();
+ sprintf((char *)IObuff, _("(%d of %d)%s%s: "), qf_index,
+ qf_lists[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
+ {
+#ifdef FEAT_WINDOWS
+ if (opened_window)
+ win_close(curwin, TRUE); /* Close opened window */
+#endif
+ 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.
+ */
+#ifdef FEAT_WINDOWS
+failed:
+#endif
+ qf_ptr = old_qf_ptr;
+ qf_index = old_qf_index;
+ }
+ }
+theend:
+ qf_lists[qf_curlist].qf_ptr = qf_ptr;
+ qf_lists[qf_curlist].qf_index = qf_index;
+#ifdef FEAT_WINDOWS
+ 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;
+ else
+ free_string_option(old_swb);
+ }
+#endif
+}
+
+/*
+ * ":clist": list all errors
+ */
+ void
+qf_list(eap)
+ exarg_T *eap;
+{
+ buf_T *buf;
+ char_u *fname;
+ struct qf_line *qfp;
+ int i;
+ int idx1 = 1;
+ int idx2 = -1;
+ int need_return = TRUE;
+ int last_printed = 1;
+ char_u *arg = eap->arg;
+ int all = eap->forceit; /* if not :cl!, only show
+ recognised errors */
+
+ if (qf_curlist >= qf_listcount || qf_lists[qf_curlist].qf_count == 0)
+ {
+ EMSG(_(e_quickfix));
+ return;
+ }
+ if (!get_list_range(&arg, &idx1, &idx2) || *arg != NUL)
+ {
+ EMSG(_(e_trailing));
+ return;
+ }
+ i = qf_lists[qf_curlist].qf_count;
+ if (idx1 < 0)
+ idx1 = (-idx1 > i) ? 0 : idx1 + i + 1;
+ if (idx2 < 0)
+ idx2 = (-idx2 > i) ? 0 : idx2 + i + 1;
+
+ more_back_used = TRUE;
+ if (qf_lists[qf_curlist].qf_nonevalid)
+ all = TRUE;
+ qfp = qf_lists[qf_curlist].qf_start;
+ for (i = 1; !got_int && i <= qf_lists[qf_curlist].qf_count; )
+ {
+ if ((qfp->qf_valid || all) && idx1 <= i && i <= idx2)
+ {
+ if (need_return)
+ {
+ msg_putchar('\n');
+ need_return = FALSE;
+ }
+ if (more_back == 0)
+ {
+ 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 = gettail(fname);
+ }
+ if (fname == NULL)
+ sprintf((char *)IObuff, "%2d", i);
+ else
+ sprintf((char *)IObuff, "%2d %s", i, (char *)fname);
+ msg_outtrans_attr(IObuff, i == qf_lists[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, ":%ld", qfp->qf_lnum);
+ else
+ sprintf((char *)IObuff, ":%ld col %d",
+ 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));
+ /* 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);
+ out_flush(); /* show one line at a time */
+ need_return = TRUE;
+ last_printed = i;
+ }
+ }
+ if (more_back)
+ {
+ /* scrolling backwards from the more-prompt */
+ /* TODO: compute the number of items from the screen lines */
+ more_back = more_back * 2 - 1;
+ while (i > last_printed - more_back && i > idx1)
+ {
+ do
+ {
+ qfp = qfp->qf_prev;
+ --i;
+ }
+ while (i > idx1 && !qfp->qf_valid && !all);
+ }
+ more_back = 0;
+ }
+ else
+ {
+ qfp = qfp->qf_next;
+ ++i;
+ }
+ ui_breakcheck();
+ }
+ more_back_used = FALSE;
+}
+
+/*
+ * Remove newlines and leading whitespace from an error message.
+ * Put the result in "buf[bufsize]".
+ */
+ static void
+qf_fmt_text(text, buf, bufsize)
+ 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.
+ */
+ void
+qf_age(eap)
+ exarg_T *eap;
+{
+ int count;
+
+ if (eap->addr_count != 0)
+ count = eap->line2;
+ else
+ count = 1;
+ while (count--)
+ {
+ if (eap->cmdidx == CMD_colder)
+ {
+ if (qf_curlist == 0)
+ {
+ EMSG(_("E380: At bottom of quickfix stack"));
+ return;
+ }
+ --qf_curlist;
+ }
+ else
+ {
+ if (qf_curlist >= qf_listcount - 1)
+ {
+ EMSG(_("E381: At top of quickfix stack"));
+ return;
+ }
+ ++qf_curlist;
+ }
+ }
+ qf_msg();
+}
+
+ static void
+qf_msg()
+{
+ smsg((char_u *)_("error list %d of %d; %d errors"),
+ qf_curlist + 1, qf_listcount, qf_lists[qf_curlist].qf_count);
+#ifdef FEAT_WINDOWS
+ qf_update_buffer();
+#endif
+}
+
+/*
+ * free the error list
+ */
+ static void
+qf_free(idx)
+ int idx;
+{
+ struct qf_line *qfp;
+
+ while (qf_lists[idx].qf_count)
+ {
+ qfp = qf_lists[idx].qf_start->qf_next;
+ vim_free(qf_lists[idx].qf_start->qf_text);
+ vim_free(qf_lists[idx].qf_start);
+ qf_lists[idx].qf_start = qfp;
+ --qf_lists[idx].qf_count;
+ }
+}
+
+/*
+ * qf_mark_adjust: adjust marks
+ */
+ void
+qf_mark_adjust(line1, line2, amount, amount_after)
+ linenr_T line1;
+ linenr_T line2;
+ long amount;
+ long amount_after;
+{
+ int i;
+ struct qf_line *qfp;
+ int idx;
+
+ for (idx = 0; idx < qf_listcount; ++idx)
+ if (qf_lists[idx].qf_count)
+ for (i = 0, qfp = qf_lists[idx].qf_start;
+ i < 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(c, nr)
+ int c, 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;
+}
+
+#if defined(FEAT_WINDOWS) || defined(PROTO)
+/*
+ * ":cwindow": open the quickfix window if we have errors to display,
+ * close it if not.
+ */
+ void
+ex_cwindow(eap)
+ exarg_T *eap;
+{
+ win_T *win;
+
+ /*
+ * Look for an existing quickfix window.
+ */
+ for (win = firstwin; win != NULL; win = win->w_next)
+ if (bt_quickfix(win->w_buffer))
+ break;
+
+ /*
+ * 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 (qf_lists[qf_curlist].qf_nonevalid || qf_curlist >= qf_listcount)
+ {
+ if (win != NULL)
+ ex_cclose(eap);
+ }
+ else if (win == NULL)
+ ex_copen(eap);
+}
+
+/*
+ * ":cclose": close the window showing the list of errors.
+ */
+/*ARGSUSED*/
+ void
+ex_cclose(eap)
+ exarg_T *eap;
+{
+ win_T *win;
+
+ /*
+ * Find existing quickfix window and close it.
+ */
+ for (win = firstwin; win != NULL; win = win->w_next)
+ if (bt_quickfix(win->w_buffer))
+ break;
+
+ if (win != NULL)
+ win_close(win, FALSE);
+}
+
+/*
+ * ":copen": open a window that shows the list of errors.
+ */
+ void
+ex_copen(eap)
+ exarg_T *eap;
+{
+ int height;
+ buf_T *buf;
+ win_T *win;
+
+ if (eap->addr_count != 0)
+ height = eap->line2;
+ else
+ height = QF_WINHEIGHT;
+
+#ifdef FEAT_VISUAL
+ reset_VIsual_and_resel(); /* stop Visual mode */
+#endif
+#ifdef FEAT_GUI
+ need_mouse_correct = TRUE;
+#endif
+
+ /*
+ * Find existing quickfix window, or open a new one.
+ */
+ for (win = firstwin; win != NULL; win = win->w_next)
+ if (bt_quickfix(win->w_buffer))
+ break;
+ if (win != NULL)
+ win_goto(win);
+ else
+ {
+ /* The current window becomes the previous window afterwards. */
+ win = curwin;
+
+ /* Create the new window at the very bottom. */
+ win_goto(lastwin);
+ if (win_split(height, WSP_BELOW) == FAIL)
+ return; /* not enough room for window */
+#ifdef FEAT_SCROLLBIND
+ curwin->w_p_scb = FALSE;
+#endif
+
+ /*
+ * Find existing quickfix buffer, or create a new one.
+ */
+ buf = qf_find_buf();
+ if (buf == NULL)
+ {
+ (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE);
+ /* 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 *)"delete", OPT_LOCAL);
+ set_option_value((char_u *)"diff", 0L, (char_u *)"", OPT_LOCAL);
+ }
+ else if (buf != curbuf)
+ set_curbuf(buf, DOBUF_GOTO);
+
+ /* Only set the height when there is no window to the side. */
+ if (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();
+
+ curwin->w_cursor.lnum = qf_lists[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()
+{
+ return qf_lists[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(old_qf_index)
+ int old_qf_index; /* previous qf_index or zero */
+{
+ win_T *win;
+ int qf_index = qf_lists[qf_curlist].qf_index;
+
+ /*
+ * Put the cursor on the current error in the quickfix window, so that
+ * it's viewable.
+ */
+ for (win = firstwin; win != NULL; win = win->w_next)
+ if (bt_quickfix(win->w_buffer))
+ break;
+ 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;
+}
+
+/*
+ * Find quickfix buffer.
+ */
+ static buf_T *
+qf_find_buf()
+{
+ buf_T *buf;
+
+ for (buf = firstbuf; buf != NULL; buf = buf->b_next)
+ if (bt_quickfix(buf))
+ break;
+ return buf;
+}
+
+/*
+ * Find the quickfix buffer. If it exists, update the contents.
+ */
+ static void
+qf_update_buffer()
+{
+ buf_T *buf;
+#ifdef FEAT_AUTOCMD
+ aco_save_T aco;
+#else
+ buf_T *save_curbuf;
+#endif
+
+ /* Check if a buffer for the quickfix list exists. Update it. */
+ buf = qf_find_buf();
+ if (buf != NULL)
+ {
+#ifdef FEAT_AUTOCMD
+ /* set curwin/curbuf to buf and save a few things */
+ aucmd_prepbuf(&aco, buf);
+#else
+ save_curbuf = curbuf;
+ curbuf = buf;
+#endif
+
+ qf_fill_buffer();
+
+#ifdef FEAT_AUTOCMD
+ /* restore curwin/curbuf and a few other things */
+ aucmd_restbuf(&aco);
+#else
+ curbuf = save_curbuf;
+#endif
+
+ (void)qf_win_pos_update(0);
+ }
+}
+
+/*
+ * Fill current buffer with quickfix errors, replacing any previous contents.
+ * curbuf must be the quickfix buffer!
+ */
+ static void
+qf_fill_buffer()
+{
+ linenr_T lnum;
+ struct qf_line *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 (qf_curlist < qf_listcount)
+ {
+ /* Add one line for each error */
+ qfp = qf_lists[qf_curlist].qf_start;
+ for (lnum = 0; lnum < qf_lists[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, gettail(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, "%ld", 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);
+ }
+ 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;
+
+#ifdef FEAT_AUTOCMD
+ apply_autocmds(EVENT_BUFREADPOST, (char_u *)"quickfix", NULL,
+ FALSE, curbuf);
+ apply_autocmds(EVENT_BUFWINENTER, (char_u *)"quickfix", NULL,
+ FALSE, curbuf);
+#endif
+
+ /* make sure it will be redrawn */
+ redraw_curbuf_later(NOT_VALID);
+
+ /* Restore KeyTyped, setting 'filetype' may reset it. */
+ KeyTyped = old_KeyTyped;
+}
+
+#endif /* FEAT_WINDOWS */
+
+/*
+ * Return TRUE if "buf" is the quickfix buffer.
+ */
+ int
+bt_quickfix(buf)
+ buf_T *buf;
+{
+ return (buf->b_p_bt[0] == 'q');
+}
+
+/*
+ * Return TRUE if "buf" is a "nofile" buffer.
+ */
+ int
+bt_nofile(buf)
+ buf_T *buf;
+{
+ return (buf->b_p_bt[0] == 'n' && buf->b_p_bt[2] == 'f');
+}
+
+/*
+ * Return TRUE if "buf" is a "nowrite" or "nofile" buffer.
+ */
+ int
+bt_dontwrite(buf)
+ buf_T *buf;
+{
+ return (buf->b_p_bt[0] == 'n');
+}
+
+ int
+bt_dontwrite_msg(buf)
+ 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)
+ 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);
+}
+
+/*
+ * Used for ":make", ":grep" and ":grepadd".
+ */
+ void
+ex_make(eap)
+ exarg_T *eap;
+{
+ char_u *name;
+ char_u *cmd;
+ unsigned len;
+
+ autowrite_all();
+ name = get_mef_name();
+ if (name == NULL)
+ return;
+ mch_remove(name); /* 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(name) + 3;
+ cmd = alloc(len);
+ if (cmd == NULL)
+ return;
+ sprintf((char *)cmd, "%s%s%s", (char *)p_shq, (char *)eap->arg,
+ (char *)p_shq);
+ if (*p_sp != NUL)
+ append_redir(cmd, p_sp, name);
+ /*
+ * 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 ? SHELL_DOOUT : 0);
+
+#ifdef AMIGA
+ out_flush();
+ /* read window status report and redraw before message */
+ (void)char_avail();
+#endif
+
+ if (qf_init(name, eap->cmdidx != CMD_make ? p_gefm : p_efm,
+ eap->cmdidx != CMD_grepadd) > 0
+ && !eap->forceit)
+ qf_jump(0, 0, FALSE); /* display first error */
+
+ mch_remove(name);
+ vim_free(name);
+ vim_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()
+{
+ char_u *p;
+ char_u *name;
+ static int start = -1;
+ static int off = 0;
+#ifdef HAVE_LSTAT
+ struct stat sb;
+#endif
+
+ 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 = mch_get_pid();
+ else
+ off += 19;
+
+ name = alloc((unsigned)STRLEN(p_mef) + 30);
+ if (name == NULL)
+ break;
+ STRCPY(name, p_mef);
+ sprintf((char *)name + (p - p_mef), "%d%d", start, off);
+ STRCAT(name, p + 2);
+ if (mch_getperm(name) < 0
+#ifdef HAVE_LSTAT
+ /* Don't accept a symbolic link, its a security risk. */
+ && mch_lstat((char *)name, &sb) < 0
+#endif
+ )
+ break;
+ vim_free(name);
+ }
+ return name;
+}
+
+/*
+ * ":cc", ":crewind", ":cfirst" and ":clast".
+ */
+ void
+ex_cc(eap)
+ exarg_T *eap;
+{
+ qf_jump(0,
+ eap->addr_count > 0
+ ? (int)eap->line2
+ : eap->cmdidx == CMD_cc
+ ? 0
+ : (eap->cmdidx == CMD_crewind || eap->cmdidx == CMD_cfirst)
+ ? 1
+ : 32767,
+ eap->forceit);
+}
+
+/*
+ * ":cnext", ":cnfile", ":cNext" and ":cprevious".
+ */
+ void
+ex_cnext(eap)
+ exarg_T *eap;
+{
+ qf_jump(eap->cmdidx == CMD_cnext
+ ? FORWARD
+ : eap->cmdidx == CMD_cnfile
+ ? FORWARD_FILE
+ : (eap->cmdidx == CMD_cpfile || eap->cmdidx == CMD_cNfile)
+ ? BACKWARD_FILE
+ : BACKWARD,
+ eap->addr_count > 0 ? (int)eap->line2 : 1, eap->forceit);
+}
+
+/*
+ * ":cfile" command.
+ */
+ void
+ex_cfile(eap)
+ exarg_T *eap;
+{
+ if (*eap->arg != NUL)
+ set_string_option_direct((char_u *)"ef", -1, eap->arg, OPT_FREE);
+ if (qf_init(p_ef, p_efm, TRUE) > 0 && eap->cmdidx == CMD_cfile)
+ qf_jump(0, 0, eap->forceit); /* display first error */
+}
+
+/*
+ * ":helpgrep {pattern}"
+ */
+ void
+ex_helpgrep(eap)
+ exarg_T *eap;
+{
+ regmatch_T regmatch;
+ char_u *save_cpo;
+ char_u *p;
+ int fcount;
+ char_u **fnames;
+ FILE *fd;
+ int fi;
+ struct qf_line *prevp = NULL;
+ long lnum;
+
+ /* Make 'cpoptions' empty, the 'l' flag should not be used here. */
+ save_cpo = p_cpo;
+ p_cpo = (char_u *)"";
+
+ regmatch.regprog = vim_regcomp(eap->arg, RE_MAGIC + RE_STRING);
+ regmatch.rm_ic = FALSE;
+ if (regmatch.regprog != NULL)
+ {
+ /* create a new quickfix list */
+ qf_new_list();
+
+ /* 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)
+ {
+ fd = fopen((char *)fnames[fi], "r");
+ if (fd != NULL)
+ {
+ lnum = 1;
+ while (!vim_fgets(IObuff, IOSIZE, fd) && !got_int)
+ {
+ if (vim_regexec(&regmatch, IObuff, (colnr_T)0))
+ {
+ int l = STRLEN(IObuff);
+
+ /* remove trailing CR, LF, spaces, etc. */
+ while (l > 0 && IObuff[l - 1] <= ' ')
+ IObuff[--l] = NUL;
+
+ if (qf_add_entry(&prevp,
+ NULL, /* dir */
+ fnames[fi],
+ IObuff,
+ lnum,
+ 0, /* col */
+ FALSE, /* virt_col */
+ 0, /* nr */
+ 1, /* type */
+ TRUE /* valid */
+ ) == FAIL)
+ {
+ got_int = TRUE;
+ break;
+ }
+ }
+ ++lnum;
+ line_breakcheck();
+ }
+ fclose(fd);
+ }
+ }
+ FreeWild(fcount, fnames);
+ }
+ }
+ vim_free(regmatch.regprog);
+
+ qf_lists[qf_curlist].qf_nonevalid = FALSE;
+ qf_lists[qf_curlist].qf_ptr = qf_lists[qf_curlist].qf_start;
+ qf_lists[qf_curlist].qf_index = 1;
+ }
+
+ p_cpo = save_cpo;
+
+#ifdef FEAT_WINDOWS
+ qf_update_buffer();
+#endif
+
+ /* Jump to first match. */
+ if (qf_lists[qf_curlist].qf_count > 0)
+ qf_jump(0, 0, FALSE);
+}
+
+#endif /* FEAT_QUICKFIX */