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vim-patch:8.2.1255: cannot use a lambda with quickfix functions

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Problem:    Cannot use a lambda with quickfix functions.
Solution:   Add support for lambda. (Yegappan Lakshmanan, closes vim/vim#6499)
d43906d2e5
This commit is contained in:
Jan Edmund Lazo
2021-06-22 22:02:59 -04:00
parent d5329c0331
commit 4cb0bf0942
9 changed files with 232 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

141
src/nvim/quickfix.c
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@@ -100,7 +100,7 @@ typedef struct qf_list_S {
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
char_u *qf_qftf; ///< 'quickfixtextfunc' setting for this list
Callback qftf_cb; ///< 'quickfixtextfunc' callback function
struct dir_stack_T *qf_dir_stack;
char_u *qf_directory;
@@ -541,6 +541,9 @@ static int efm_to_regpat(const char_u *efm, int len, efm_T *fmt_ptr,
static efm_T *fmt_start = NULL; // cached across qf_parse_line() calls
// callback function for 'quickfixtextfunc'
static Callback qftf_cb;
static void free_efm_list(efm_T **efm_first)
{
for (efm_T *efm_ptr = *efm_first; efm_ptr != NULL; efm_ptr = *efm_first) {
@@ -1978,7 +1981,7 @@ static int copy_loclist_entries(const qf_list_T *from_qfl, qf_list_T *to_qfl)
}
/// Copy the specified location list 'from_qfl' to 'to_qfl'.
static int copy_loclist(const qf_list_T *from_qfl, qf_list_T *to_qfl)
static int copy_loclist(qf_list_T *from_qfl, qf_list_T *to_qfl)
FUNC_ATTR_NONNULL_ALL
{
// Some of the fields are populated by qf_add_entry()
@@ -2000,11 +2003,7 @@ static int copy_loclist(const qf_list_T *from_qfl, qf_list_T *to_qfl)
} else {
to_qfl->qf_ctx = NULL;
}
if (from_qfl->qf_qftf != NULL) {
to_qfl->qf_qftf = vim_strsave(from_qfl->qf_qftf);
} else {
to_qfl->qf_qftf = NULL;
}
callback_copy(&to_qfl->qftf_cb, &from_qfl->qftf_cb);
if (from_qfl->qf_count) {
if (copy_loclist_entries(from_qfl, to_qfl) == FAIL) {
@@ -3385,7 +3384,7 @@ static void qf_free(qf_list_T *qfl)
XFREE_CLEAR(qfl->qf_title);
tv_free(qfl->qf_ctx);
qfl->qf_ctx = NULL;
XFREE_CLEAR(qfl->qf_qftf);
callback_free(&qfl->qftf_cb);
qfl->qf_id = 0;
qfl->qf_changedtick = 0L;
}
@@ -3860,6 +3859,41 @@ static buf_T *qf_find_buf(qf_info_T *qi)
return NULL;
}
// Process the 'quickfixtextfunc' option value.
bool qf_process_qftf_option(void)
{
typval_T *tv;
Callback cb;
if (p_qftf == NULL || *p_qftf == NUL) {
callback_free(&qftf_cb);
return true;
}
if (*p_qftf == '{') {
// Lambda expression
tv = eval_expr(p_qftf);
if (tv == NULL) {
return false;
}
} else {
// treat everything else as a function name string
tv = xcalloc(1, sizeof(*tv));
tv->v_type = VAR_STRING;
tv->vval.v_string = vim_strsave(p_qftf);
}
if (!callback_from_typval(&cb, tv)) {
tv_free(tv);
return false;
}
callback_free(&qftf_cb);
qftf_cb = cb;
tv_free(tv);
return true;
}
/// Update the w:quickfix_title variable in the quickfix/location list window in
/// all the tab pages.
static void qf_update_win_titlevar(qf_info_T *qi)
@@ -3928,7 +3962,9 @@ static int qf_buf_add_line(qf_list_T *qfl, buf_T *buf, linenr_T lnum,
int len;
buf_T *errbuf;
if (qftf_str != NULL) {
// If the 'quickfixtextfunc' function returned an non-empty custom string
// for this entry, then use it.
if (qftf_str != NULL && *qftf_str != NUL) {
STRLCPY(IObuff, qftf_str, IOSIZE);
} else {
if (qfp->qf_module != NULL) {
@@ -3997,22 +4033,25 @@ static int qf_buf_add_line(qf_list_T *qfl, buf_T *buf, linenr_T lnum,
return OK;
}
// Call the 'quickfixtextfunc' function to get the list of lines to display in
// the quickfix window for the entries 'start_idx' to 'end_idx'.
static list_T *call_qftf_func(qf_list_T *qfl,
int qf_winid,
long start_idx,
long end_idx)
{
char_u *qftf = p_qftf;
Callback *cb = &qftf_cb;
list_T *qftf_list = NULL;
// If 'quickfixtextfunc' is set, then use the user-supplied function to get
// the text to display. Use the local value of 'quickfixtextfunc' if it is
// set.
if (qfl->qf_qftf != NULL) {
qftf = qfl->qf_qftf;
if (qfl->qftf_cb.type != kCallbackNone) {
cb = &qfl->qftf_cb;
}
if (qftf != NULL && *qftf != NUL) {
if (cb != NULL && cb->type != kCallbackNone) {
typval_T args[1];
typval_T rettv;
// create the dict argument
dict_T *const dict = tv_dict_alloc_lock(VAR_FIXED);
@@ -4026,8 +4065,16 @@ static list_T *call_qftf_func(qf_list_T *qfl,
args[0].v_type = VAR_DICT;
args[0].vval.v_dict = dict;
qftf_list = call_func_retlist(qftf, 1, args);
dict->dv_refcount--;
qftf_list = NULL;
if (callback_call(cb, 1, args, &rettv)) {
if (rettv.v_type == VAR_LIST) {
qftf_list = rettv.vval.v_list;
tv_list_ref(qftf_list);
}
tv_clear(&rettv);
}
tv_dict_unref(dict);
}
return qftf_list;
@@ -4064,6 +4111,7 @@ static void qf_fill_buffer(qf_list_T *qfl, buf_T *buf, qfline_T *old_last,
if (qfl != NULL) {
char_u dirname[MAXPATHL];
int prev_bufnr = -1;
bool invalid_val = false;
*dirname = NUL;
@@ -4086,10 +4134,15 @@ static void qf_fill_buffer(qf_list_T *qfl, buf_T *buf, qfline_T *old_last,
while (lnum < qfl->qf_count) {
char_u *qftf_str = NULL;
if (qftf_li != NULL) {
// Use the text supplied by the user defined function
qftf_str = (char_u *)tv_get_string_chk(TV_LIST_ITEM_TV(qftf_li));
// Use the text supplied by the user defined function (if any).
// If the returned value is not string, then ignore the rest
// of the returned values and use the default.
if (qftf_li != NULL && !invalid_val) {
qftf_str = (char_u *)tv_get_string_chk(TV_LIST_ITEM_TV(qftf_li));
if (qftf_str == NULL) {
invalid_val = true;
}
}
if (qf_buf_add_line(qfl, buf, lnum, qfp, dirname, qftf_str,
prev_bufnr != qfp->qf_fnum) == FAIL) {
@@ -5796,7 +5849,9 @@ enum {
QF_GETLIST_SIZE = 0x80,
QF_GETLIST_TICK = 0x100,
QF_GETLIST_FILEWINID = 0x200,
QF_GETLIST_ALL = 0x3FF,
QF_GETLIST_QFBUFNR = 0x400,
QF_GETLIST_QFTF = 0x800,
QF_GETLIST_ALL = 0xFFF,
};
/// Parse text from 'di' and return the quickfix list items.
@@ -5894,6 +5949,9 @@ static int qf_getprop_keys2flags(const dict_T *what, bool loclist)
if (loclist && tv_dict_find(what, S_LEN("filewinid")) != NULL) {
flags |= QF_GETLIST_FILEWINID;
}
if (tv_dict_find(what, S_LEN("quickfixtextfunc")) != NULL) {
flags |= QF_GETLIST_QFTF;
}
return flags;
}
@@ -5985,6 +6043,9 @@ static int qf_getprop_defaults(qf_info_T *qi,
if ((status == OK) && locstack && (flags & QF_GETLIST_FILEWINID)) {
status = tv_dict_add_nr(retdict, S_LEN("filewinid"), 0);
}
if ((status == OK) && (flags & QF_GETLIST_QFTF)) {
status = tv_dict_add_str(retdict, S_LEN("quickfixtextfunc"), "");
}
return status;
}
@@ -6060,6 +6121,26 @@ static int qf_getprop_idx(qf_list_T *qfl, int eidx, dict_T *retdict)
return tv_dict_add_nr(retdict, S_LEN("idx"), eidx);
}
/// Return the 'quickfixtextfunc' function of a quickfix/location list
/// @return OK or FAIL
static int qf_getprop_qftf(qf_list_T *qfl, dict_T *retdict)
FUNC_ATTR_NONNULL_ALL
{
int status;
if (qfl->qftf_cb.type != kCallbackNone) {
typval_T tv;
callback_put(&qfl->qftf_cb, &tv);
status = tv_dict_add_tv(retdict, S_LEN("quickfixtextfunc"), &tv);
tv_clear(&tv);
} else {
status = tv_dict_add_str(retdict, S_LEN("quickfixtextfunc"), "");
}
return status;
}
/// Return quickfix/location list details (title) as a dictionary.
/// 'what' contains the details to return. If 'list_idx' is -1,
/// then current list is used. Otherwise the specified list is used.
@@ -6133,19 +6214,25 @@ int qf_get_properties(win_T *wp, dict_T *what, dict_T *retdict)
if ((status == OK) && (wp != NULL) && (flags & QF_GETLIST_FILEWINID)) {
status = qf_getprop_filewinid(wp, qi, retdict);
}
if ((status == OK) && (flags & QF_GETLIST_QFTF)) {
status = qf_getprop_qftf(qfl, retdict);
}
return status;
}
/// Set the current index in the specified quickfix list
static int qf_setprop_qftf(qf_info_T *qi, qf_list_T *qfl,
dictitem_T *di)
/// @return OK
static int qf_setprop_qftf(qf_list_T *qfl, dictitem_T *di)
FUNC_ATTR_NONNULL_ALL
{
XFREE_CLEAR(qfl->qf_qftf);
if (di->di_tv.v_type == VAR_STRING && di->di_tv.vval.v_string != NULL) {
qfl->qf_qftf = vim_strsave(di->di_tv.vval.v_string);
}
return OK;
Callback cb;
callback_free(&qfl->qftf_cb);
if (callback_from_typval(&cb, &di->di_tv)) {
qfl->qftf_cb = cb;
}
return OK;
}
/// Add a new quickfix entry to list at 'qf_idx' in the stack 'qi' from the
@@ -6514,7 +6601,7 @@ static int qf_set_properties(qf_info_T *qi, const dict_T *what, int action,
retval = qf_setprop_curidx(qi, qfl, di);
}
if ((di = tv_dict_find(what, S_LEN("quickfixtextfunc"))) != NULL) {
retval = qf_setprop_qftf(qi, qfl, di);
retval = qf_setprop_qftf(qfl, di);
}
if (newlist || retval == OK) {