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quickfix.c
8569 lines (7601 loc) · 204 KB
/
quickfix.c
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* 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;
};
/*
* 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
linenr_T qf_end_lnum; // line number when the error has range or zero
int qf_fnum; // file number for the line
int qf_col; // column where the error occurred
int qf_end_col; // column when the error has range or zero
int qf_nr; // error number
char_u *qf_module; // module name for this error
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 and qf_end_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
#define INVALID_QFIDX (-1)
#define INVALID_QFBUFNR (0)
/*
* Quickfix list type.
*/
typedef enum
{
QFLT_QUICKFIX, // Quickfix list - global list
QFLT_LOCATION, // Location list - per window list
QFLT_INTERNAL // Internal - Temporary list used by getqflist()/getloclist()
} qfltype_T;
/*
* Quickfix/Location list definition
* Contains a list of entries (qfline_T). qf_start points to the first entry
* and qf_last points to the last entry. qf_count contains the list size.
*
* Usually the list contains one or more entries. But an empty list can be
* created using setqflist()/setloclist() with a title and/or user context
* information and entries can be added later using setqflist()/setloclist().
*/
typedef struct qf_list_S
{
int_u qf_id; // Unique identifier for this list
qfltype_T qfl_type;
qfline_T *qf_start; // pointer to the first error
qfline_T *qf_last; // pointer to the last error
qfline_T *qf_ptr; // pointer to the current error
int qf_count; // number of errors (0 means empty 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 or set by setqflist
typval_T *qf_ctx; // context set by setqflist/setloclist
callback_T qf_qftf_cb; // 'quickfixtextfunc' callback function
struct dir_stack_T *qf_dir_stack;
char_u *qf_directory;
struct dir_stack_T *qf_file_stack;
char_u *qf_currfile;
int qf_multiline;
int qf_multiignore;
int qf_multiscan;
long qf_changedtick;
} qf_list_T;
/*
* Quickfix/Location list stack definition
* Contains a list of quickfix/location lists (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];
qfltype_T qfl_type; // type of list
int qf_bufnr; // quickfix window buffer number
};
static qf_info_T ql_info; // global quickfix list
static int_u last_qf_id = 0; // Last used quickfix list id
#define FMT_PATTERNS 13 // 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
// 'N' note 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
};
// List of location lists to be deleted.
// Used to delay the deletion of locations lists by autocmds.
typedef struct qf_delq_S
{
struct qf_delq_S *next;
qf_info_T *qi;
} qf_delq_T;
static qf_delq_T *qf_delq_head = NULL;
// Counter to prevent autocmds from freeing up location lists when they are
// still being used.
static int quickfix_busy = 0;
static efm_T *fmt_start = NULL; // cached across qf_parse_line() calls
// callback function for 'quickfixtextfunc'
static callback_T qftf_cb;
static void qf_new_list(qf_info_T *qi, char_u *qf_title);
static int qf_add_entry(qf_list_T *qfl, char_u *dir, char_u *fname, char_u *module, int bufnum, char_u *mesg, long lnum, long end_lnum, int col, int end_col, int vis_col, char_u *pattern, int nr, int type, int valid);
static void qf_free(qf_list_T *qfl);
static char_u *qf_types(int, int);
static int qf_get_fnum(qf_list_T *qfl, char_u *, char_u *);
static char_u *qf_push_dir(char_u *, struct dir_stack_T **, int is_file_stack);
static char_u *qf_pop_dir(struct dir_stack_T **);
static char_u *qf_guess_filepath(qf_list_T *qfl, char_u *);
static void qf_jump_newwin(qf_info_T *qi, int dir, int errornr, int forceit, int newwin);
static void qf_fmt_text(char_u *text, char_u *buf, int bufsize);
static void qf_range_text(qfline_T *qfp, char_u *buf, int bufsize);
static int qf_win_pos_update(qf_info_T *qi, int old_qf_index);
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, qfline_T *old_last);
static void qf_fill_buffer(qf_list_T *qfl, buf_T *buf, qfline_T *old_last, int qf_winid);
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)
// Quickfix and location list stack check helper macros
#define IS_QF_STACK(qi) ((qi)->qfl_type == QFLT_QUICKFIX)
#define IS_LL_STACK(qi) ((qi)->qfl_type == QFLT_LOCATION)
#define IS_QF_LIST(qfl) ((qfl)->qfl_type == QFLT_QUICKFIX)
#define IS_LL_LIST(qfl) ((qfl)->qfl_type == QFLT_LOCATION)
/*
* 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)
// Macro to loop through all the items in a quickfix list
// Quickfix item index starts from 1, so i below starts at 1
#define FOR_ALL_QFL_ITEMS(qfl, qfp, i) \
for ((i) = 1, (qfp) = (qfl)->qf_start; \
!got_int && (i) <= (qfl)->qf_count && (qfp) != NULL; \
++(i), (qfp) = (qfp)->qf_next)
/*
* Looking up a buffer can be slow if there are many. Remember the last one
* to make this a lot faster if there are multiple matches in the same file.
*/
static char_u *qf_last_bufname = NULL;
static bufref_T qf_last_bufref = {NULL, 0, 0};
/*
* Maximum number of bytes allowed per line while reading a errorfile.
*/
#define LINE_MAXLEN 4096
/*
* Patterns used. Keep in sync with qf_parse_fmt[].
*/
static struct fmtpattern
{
char_u convchar;
char *pattern;
} fmt_pat[FMT_PATTERNS] =
{
{'f', ".\\+"}, // only used when at end
{'n', "\\d\\+"}, // 1
{'l', "\\d\\+"}, // 2
{'e', "\\d\\+"}, // 3
{'c', "\\d\\+"}, // 4
{'k', "\\d\\+"}, // 5
{'t', "."}, // 6
#define FMT_PATTERN_M 7
{'m', ".\\+"}, // 7
#define FMT_PATTERN_R 8
{'r', ".*"}, // 8
{'p', "[- .]*"}, // 9
{'v', "\\d\\+"}, // 10
{'s', ".\\+"}, // 11
{'o', ".\\+"} // 12
};
/*
* Convert an errorformat pattern to a regular expression pattern.
* See fmt_pat definition above for the list of supported patterns. The
* pattern specifier is supplied in "efmpat". The converted pattern is stored
* in "regpat". Returns a pointer to the location after the pattern.
*/
static char_u *
efmpat_to_regpat(
char_u *efmpat,
char_u *regpat,
efm_T *efminfo,
int idx,
int round)
{
char_u *srcptr;
if (efminfo->addr[idx])
{
// Each errorformat pattern can occur only once
semsg(_(e_too_many_chr_in_format_string), *efmpat);
return NULL;
}
if ((idx && idx < FMT_PATTERN_R
&& vim_strchr((char_u *)"DXOPQ", efminfo->prefix) != NULL)
|| (idx == FMT_PATTERN_R
&& vim_strchr((char_u *)"OPQ", efminfo->prefix) == NULL))
{
semsg(_(e_unexpected_chr_in_format_str), *efmpat);
return NULL;
}
efminfo->addr[idx] = (char_u)++round;
*regpat++ = '\\';
*regpat++ = '(';
#ifdef BACKSLASH_IN_FILENAME
if (*efmpat == 'f')
{
// Also match "c:" in the file name, even when
// checking for a colon next: "%f:".
// "\%(\a:\)\="
STRCPY(regpat, "\\%(\\a:\\)\\=");
regpat += 10;
}
#endif
if (*efmpat == 'f' && efmpat[1] != NUL)
{
if (efmpat[1] != '\\' && efmpat[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(regpat, ".\\{-1,}");
regpat += 7;
}
else
{
// File name followed by '\\' or '%': include as
// many file name chars as possible.
STRCPY(regpat, "\\f\\+");
regpat += 4;
}
}
else
{
srcptr = (char_u *)fmt_pat[idx].pattern;
while ((*regpat = *srcptr++) != NUL)
++regpat;
}
*regpat++ = '\\';
*regpat++ = ')';
return regpat;
}
/*
* Convert a scanf like format in 'errorformat' to a regular expression.
* Returns a pointer to the location after the pattern.
*/
static char_u *
scanf_fmt_to_regpat(
char_u **pefmp,
char_u *efm,
int len,
char_u *regpat)
{
char_u *efmp = *pefmp;
if (*efmp == '[' || *efmp == '\\')
{
if ((*regpat++ = *efmp) == '[') // %*[^a-z0-9] etc.
{
if (efmp[1] == '^')
*regpat++ = *++efmp;
if (efmp < efm + len)
{
*regpat++ = *++efmp; // could be ']'
while (efmp < efm + len
&& (*regpat++ = *++efmp) != ']')
// skip ;
if (efmp == efm + len)
{
emsg(_(e_missing_rsb_in_format_string));
return NULL;
}
}
}
else if (efmp < efm + len) // %*\D, %*\s etc.
*regpat++ = *++efmp;
*regpat++ = '\\';
*regpat++ = '+';
}
else
{
// TODO: scanf()-like: %*ud, %*3c, %*f, ... ?
semsg(_(e_unsupported_chr_in_format_string), *efmp);
return NULL;
}
*pefmp = efmp;
return regpat;
}
/*
* Analyze/parse an errorformat prefix.
*/
static char_u *
efm_analyze_prefix(char_u *efmp, efm_T *efminfo)
{
if (vim_strchr((char_u *)"+-", *efmp) != NULL)
efminfo->flags = *efmp++;
if (vim_strchr((char_u *)"DXAEWINCZGOPQ", *efmp) != NULL)
efminfo->prefix = *efmp;
else
{
semsg(_(e_invalid_chr_in_format_string_prefix), *efmp);
return NULL;
}
return efmp;
}
/*
* Converts a 'errorformat' string part in 'efm' to a regular expression
* pattern. The resulting regex pattern is returned in "regpat". Additional
* information about the 'erroformat' pattern is returned in "fmt_ptr".
* Returns OK or FAIL.
*/
static int
efm_to_regpat(
char_u *efm,
int len,
efm_T *fmt_ptr,
char_u *regpat)
{
char_u *ptr;
char_u *efmp;
int round;
int idx = 0;
// Build a regexp pattern for a 'errorformat' option part
ptr = regpat;
*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)
{
ptr = efmpat_to_regpat(efmp, ptr, fmt_ptr, idx, round);
if (ptr == NULL)
return FAIL;
round++;
}
else if (*efmp == '*')
{
++efmp;
ptr = scanf_fmt_to_regpat(&efmp, efm, len, ptr);
if (ptr == NULL)
return FAIL;
}
else if (vim_strchr((char_u *)"%\\.^$~[", *efmp) != NULL)
*ptr++ = *efmp; // regexp magic characters
else if (*efmp == '#')
*ptr++ = '*';
else if (*efmp == '>')
fmt_ptr->conthere = TRUE;
else if (efmp == efm + 1) // analyse prefix
{
// prefix is allowed only at the beginning of the errorformat
// option part
efmp = efm_analyze_prefix(efmp, fmt_ptr);
if (efmp == NULL)
return FAIL;
}
else
{
semsg(_(e_invalid_chr_in_format_string), *efmp);
return FAIL;
}
}
else // copy normal character
{
if (*efmp == '\\' && efmp + 1 < efm + len)
++efmp;
else if (vim_strchr((char_u *)".*^$~[", *efmp) != NULL)
*ptr++ = '\\'; // escape regexp atoms
if (*efmp)
*ptr++ = *efmp;
}
}
*ptr++ = '$';
*ptr = NUL;
return OK;
}
/*
* Free the 'errorformat' information list
*/
static void
free_efm_list(efm_T **efm_first)
{
efm_T *efm_ptr;
for (efm_ptr = *efm_first; efm_ptr != NULL; efm_ptr = *efm_first)
{
*efm_first = efm_ptr->next;
vim_regfree(efm_ptr->prog);
vim_free(efm_ptr);
}
fmt_start = NULL;
}
/*
* Compute the size of the buffer used to convert a 'errorformat' pattern into
* a regular expression pattern.
*/
static int
efm_regpat_bufsz(char_u *efm)
{
int sz;
int i;
sz = (FMT_PATTERNS * 3) + ((int)STRLEN(efm) << 2);
for (i = FMT_PATTERNS; i > 0; )
sz += (int)STRLEN(fmt_pat[--i].pattern);
#ifdef BACKSLASH_IN_FILENAME
sz += 12; // "%f" can become twelve chars longer (see efm_to_regpat)
#else
sz += 2; // "%f" can become two chars longer
#endif
return sz;
}
/*
* Return the length of a 'errorformat' option part (separated by ",").
*/
static int
efm_option_part_len(char_u *efm)
{
int len;
for (len = 0; efm[len] != NUL && efm[len] != ','; ++len)
if (efm[len] == '\\' && efm[len + 1] != NUL)
++len;
return len;
}
/*
* Parse the 'errorformat' option. Multiple parts in the 'errorformat' option
* are parsed and converted to regular expressions. Returns information about
* the parsed 'errorformat' option.
*/
static efm_T *
parse_efm_option(char_u *efm)
{
efm_T *fmt_ptr = NULL;
efm_T *fmt_first = NULL;
efm_T *fmt_last = NULL;
char_u *fmtstr = NULL;
int len;
int sz;
// Each part of the format string is copied and modified from errorformat
// to regex prog. Only a few % characters are allowed.
// Get some space to modify the format string into.
sz = efm_regpat_bufsz(efm);
if ((fmtstr = alloc_id(sz, aid_qf_efm_fmtstr)) == NULL)
goto parse_efm_error;
while (efm[0] != NUL)
{
// Allocate a new eformat structure and put it at the end of the list
fmt_ptr = ALLOC_CLEAR_ONE_ID(efm_T, aid_qf_efm_fmtpart);
if (fmt_ptr == NULL)
goto parse_efm_error;
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
len = efm_option_part_len(efm);
if (efm_to_regpat(efm, len, fmt_ptr, fmtstr) == FAIL)
goto parse_efm_error;
if ((fmt_ptr->prog = vim_regcomp(fmtstr, RE_MAGIC + RE_STRING)) == NULL)
goto parse_efm_error;
// Advance to next part
efm = skip_to_option_part(efm + len); // skip comma and spaces
}
if (fmt_first == NULL) // nothing found
emsg(_(e_errorformat_contains_no_pattern));
goto parse_efm_end;
parse_efm_error:
free_efm_list(&fmt_first);
parse_efm_end:
vim_free(fmtstr);
return fmt_first;
}
enum {
QF_FAIL = 0,
QF_OK = 1,
QF_END_OF_INPUT = 2,
QF_NOMEM = 3,
QF_IGNORE_LINE = 4,
QF_MULTISCAN = 5,
QF_ABORT = 6
};
/*
* State information used to parse lines and add entries to a quickfix/location
* list.
*/
typedef struct {
char_u *linebuf;
int linelen;
char_u *growbuf;
int growbufsiz;
FILE *fd;
typval_T *tv;
char_u *p_str;
listitem_T *p_li;
buf_T *buf;
linenr_T buflnum;
linenr_T lnumlast;
vimconv_T vc;
} qfstate_T;
/*
* Allocate more memory for the line buffer used for parsing lines.
*/
static char_u *
qf_grow_linebuf(qfstate_T *state, int newsz)
{
char_u *p;
// If the line exceeds LINE_MAXLEN exclude the last
// byte since it's not a NL character.
state->linelen = newsz > LINE_MAXLEN ? LINE_MAXLEN - 1 : newsz;
if (state->growbuf == NULL)
{
state->growbuf = alloc_id(state->linelen + 1, aid_qf_linebuf);
if (state->growbuf == NULL)
return NULL;
state->growbufsiz = state->linelen;
}
else if (state->linelen > state->growbufsiz)
{
if ((p = vim_realloc(state->growbuf, state->linelen + 1)) == NULL)
return NULL;
state->growbuf = p;
state->growbufsiz = state->linelen;
}
return state->growbuf;
}
/*
* Get the next string (separated by newline) from state->p_str.
*/
static int
qf_get_next_str_line(qfstate_T *state)
{
// Get the next line from the supplied string
char_u *p_str = state->p_str;
char_u *p;
int len;
if (*p_str == NUL) // Reached the end of the string
return QF_END_OF_INPUT;
p = vim_strchr(p_str, '\n');
if (p != NULL)
len = (int)(p - p_str) + 1;
else
len = (int)STRLEN(p_str);
if (len > IOSIZE - 2)
{
state->linebuf = qf_grow_linebuf(state, len);
if (state->linebuf == NULL)
return QF_NOMEM;
}
else
{
state->linebuf = IObuff;
state->linelen = len;
}
vim_strncpy(state->linebuf, p_str, state->linelen);
// Increment using len in order to discard the rest of the
// line if it exceeds LINE_MAXLEN.
p_str += len;
state->p_str = p_str;
return QF_OK;
}
/*
* Get the next string from the List item state->p_li.
*/
static int
qf_get_next_list_line(qfstate_T *state)
{
listitem_T *p_li = state->p_li;
int len;
while (p_li != NULL
&& (p_li->li_tv.v_type != VAR_STRING
|| p_li->li_tv.vval.v_string == NULL))
p_li = p_li->li_next; // Skip non-string items
if (p_li == NULL) // End of the list
{
state->p_li = NULL;
return QF_END_OF_INPUT;
}
len = (int)STRLEN(p_li->li_tv.vval.v_string);
if (len > IOSIZE - 2)
{
state->linebuf = qf_grow_linebuf(state, len);
if (state->linebuf == NULL)
return QF_NOMEM;
}
else
{
state->linebuf = IObuff;
state->linelen = len;
}
vim_strncpy(state->linebuf, p_li->li_tv.vval.v_string, state->linelen);
state->p_li = p_li->li_next; // next item
return QF_OK;
}
/*
* Get the next string from state->buf.
*/
static int
qf_get_next_buf_line(qfstate_T *state)
{
char_u *p_buf = NULL;
int len;
// Get the next line from the supplied buffer
if (state->buflnum > state->lnumlast)
return QF_END_OF_INPUT;
p_buf = ml_get_buf(state->buf, state->buflnum, FALSE);
state->buflnum += 1;
len = (int)STRLEN(p_buf);
if (len > IOSIZE - 2)
{
state->linebuf = qf_grow_linebuf(state, len);
if (state->linebuf == NULL)
return QF_NOMEM;
}
else
{
state->linebuf = IObuff;
state->linelen = len;
}
vim_strncpy(state->linebuf, p_buf, state->linelen);
return QF_OK;
}
/*
* Get the next string from file state->fd.
*/
static int
qf_get_next_file_line(qfstate_T *state)
{
int discard;
int growbuflen;
if (fgets((char *)IObuff, IOSIZE, state->fd) == NULL)
return QF_END_OF_INPUT;
discard = FALSE;
state->linelen = (int)STRLEN(IObuff);
if (state->linelen == IOSIZE - 1 && !(IObuff[state->linelen - 1] == '\n'))
{
// The current line exceeds IObuff, continue reading using
// growbuf until EOL or LINE_MAXLEN bytes is read.
if (state->growbuf == NULL)
{
state->growbufsiz = 2 * (IOSIZE - 1);
state->growbuf = alloc_id(state->growbufsiz, aid_qf_linebuf);
if (state->growbuf == NULL)
return QF_NOMEM;
}
// Copy the read part of the line, excluding null-terminator
memcpy(state->growbuf, IObuff, IOSIZE - 1);
growbuflen = state->linelen;
for (;;)
{
char_u *p;
if (fgets((char *)state->growbuf + growbuflen,
state->growbufsiz - growbuflen, state->fd) == NULL)
break;
state->linelen = (int)STRLEN(state->growbuf + growbuflen);
growbuflen += state->linelen;
if ((state->growbuf)[growbuflen - 1] == '\n')
break;
if (state->growbufsiz == LINE_MAXLEN)
{
discard = TRUE;
break;
}
state->growbufsiz = 2 * state->growbufsiz < LINE_MAXLEN
? 2 * state->growbufsiz : LINE_MAXLEN;
if ((p = vim_realloc(state->growbuf, state->growbufsiz)) == NULL)
return QF_NOMEM;
state->growbuf = p;
}
while (discard)
{
// The current line is longer than LINE_MAXLEN, continue
// reading but discard everything until EOL or EOF is
// reached.
if (fgets((char *)IObuff, IOSIZE, state->fd) == NULL
|| (int)STRLEN(IObuff) < IOSIZE - 1
|| IObuff[IOSIZE - 2] == '\n')
break;
}
state->linebuf = state->growbuf;
state->linelen = growbuflen;
}
else
state->linebuf = IObuff;
// Convert a line if it contains a non-ASCII character.
if (state->vc.vc_type != CONV_NONE && has_non_ascii(state->linebuf))
{
char_u *line;
line = string_convert(&state->vc, state->linebuf, &state->linelen);
if (line != NULL)
{
if (state->linelen < IOSIZE)
{
STRCPY(state->linebuf, line);
vim_free(line);
}
else
{
vim_free(state->growbuf);
state->linebuf = state->growbuf = line;
state->growbufsiz = state->linelen < LINE_MAXLEN
? state->linelen : LINE_MAXLEN;
}
}
}
return QF_OK;
}
/*
* Get the next string from a file/buffer/list/string.
*/
static int
qf_get_nextline(qfstate_T *state)
{
int status = QF_FAIL;
if (state->fd == NULL)
{
if (state->tv != NULL)
{
if (state->tv->v_type == VAR_STRING)
// Get the next line from the supplied string
status = qf_get_next_str_line(state);
else if (state->tv->v_type == VAR_LIST)
// Get the next line from the supplied list
status = qf_get_next_list_line(state);
}
else
// Get the next line from the supplied buffer
status = qf_get_next_buf_line(state);
}
else
// Get the next line from the supplied file
status = qf_get_next_file_line(state);
if (status != QF_OK)
return status;
// remove newline/CR from the line
if (state->linelen > 0 && state->linebuf[state->linelen - 1] == '\n')
{
state->linebuf[state->linelen - 1] = NUL;
#ifdef USE_CRNL
if (state->linelen > 1 && state->linebuf[state->linelen - 2] == '\r')
state->linebuf[state->linelen - 2] = NUL;
#endif
}
remove_bom(state->linebuf);
return QF_OK;
}
typedef struct {
char_u *namebuf;
char_u *module;
char_u *errmsg;
int errmsglen;
long lnum;
long end_lnum;
int col;
int end_col;
char_u use_viscol;
char_u *pattern;
int enr;
int type;
int valid;
} qffields_T;
/*
* Parse the match for filename ('%f') pattern in regmatch.
* Return the matched value in "fields->namebuf".
*/
static int
qf_parse_fmt_f(regmatch_T *rmp, int midx, qffields_T *fields, int prefix)
{
int c;
if (rmp->startp[midx] == NULL || rmp->endp[midx] == NULL)
return QF_FAIL;
// Expand ~/file and $HOME/file to full path.
c = *rmp->endp[midx];
*rmp->endp[midx] = NUL;
expand_env(rmp->startp[midx], fields->namebuf, CMDBUFFSIZE);
*rmp->endp[midx] = c;
// For separate filename patterns (%O, %P and %Q), the specified file
// should exist.
if (vim_strchr((char_u *)"OPQ", prefix) != NULL
&& mch_getperm(fields->namebuf) == -1)
return QF_FAIL;
return QF_OK;
}
/*
* Parse the match for error number ('%n') pattern in regmatch.
* Return the matched value in "fields->enr".
*/
static int
qf_parse_fmt_n(regmatch_T *rmp, int midx, qffields_T *fields)
{
if (rmp->startp[midx] == NULL)
return QF_FAIL;
fields->enr = (int)atol((char *)rmp->startp[midx]);
return QF_OK;
}
/*
* Parse the match for line number ('%l') pattern in regmatch.
* Return the matched value in "fields->lnum".
*/
static int
qf_parse_fmt_l(regmatch_T *rmp, int midx, qffields_T *fields)
{
if (rmp->startp[midx] == NULL)
return QF_FAIL;
fields->lnum = atol((char *)rmp->startp[midx]);
return QF_OK;
}
/*
* Parse the match for end line number ('%e') pattern in regmatch.
* Return the matched value in "fields->end_lnum".
*/
static int
qf_parse_fmt_e(regmatch_T *rmp, int midx, qffields_T *fields)
{
if (rmp->startp[midx] == NULL)
return QF_FAIL;
fields->end_lnum = atol((char *)rmp->startp[midx]);
return QF_OK;
}
/*
* Parse the match for column number ('%c') pattern in regmatch.
* Return the matched value in "fields->col".
*/
static int
qf_parse_fmt_c(regmatch_T *rmp, int midx, qffields_T *fields)
{
if (rmp->startp[midx] == NULL)
return QF_FAIL;
fields->col = (int)atol((char *)rmp->startp[midx]);
return QF_OK;
}
/*
* Parse the match for end column number ('%k') pattern in regmatch.
* Return the matched value in "fields->end_col".
*/