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-rw-r--r--runtime/doc/eval.txt63
-rw-r--r--runtime/doc/tagsrch.txt3
-rw-r--r--runtime/doc/usr_41.txt2
-rw-r--r--src/nvim/eval.c80
-rw-r--r--src/nvim/eval.lua2
-rw-r--r--src/nvim/tag.c199
-rw-r--r--src/nvim/testdir/test_tagjump.vim101
7 files changed, 449 insertions, 1 deletions
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 454013ac73..9600a0d356 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2112,6 +2112,7 @@ gettabvar({nr}, {varname} [, {def}])
any variable {varname} in tab {nr} or {def}
gettabwinvar({tabnr}, {winnr}, {name} [, {def}])
any {name} in {winnr} in tab page {tabnr}
+gettagstack([{nr}]) Dict get the tag stack of window {nr}
getwininfo([{winid}]) List list of windows
getwinpos([{timeout}]) List X and Y coord in pixels of the Vim window
getwinposx() Number X coord in pixels of GUI Vim window
@@ -2277,6 +2278,8 @@ setreg({n}, {v}[, {opt}]) Number set register to value and type
settabvar({nr}, {varname}, {val}) set {varname} in tab page {nr} to {val}
settabwinvar({tabnr}, {winnr}, {varname}, {val}) set {varname} in window
{winnr} in tab page {tabnr} to {val}
+settagstack({nr}, {dict} [, {action}])
+ Number modify tag stack using {dict}
setwinvar({nr}, {varname}, {val}) set {varname} in window {nr} to {val}
sha256({string}) String SHA256 checksum of {string}
shellescape({string} [, {special}])
@@ -4550,6 +4553,34 @@ gettabwinvar({tabnr}, {winnr}, {varname} [, {def}]) *gettabwinvar()*
To obtain all window-local variables use: >
gettabwinvar({tabnr}, {winnr}, '&')
+gettagstack([{nr}]) *gettagstack()*
+ The result is a Dict, which is the tag stack of window {nr}.
+ {nr} can be the window number or the |window-ID|.
+ When {nr} is not specified, the current window is used.
+ When window {nr} doesn't exist, an empty Dict is returned.
+
+ The returned dictionary contains the following entries:
+ curidx Current index in the stack. When at
+ top of the stack, set to (length + 1).
+ Index of bottom of the stack is 1.
+ items List of items in the stack. Each item
+ is a dictionary containing the
+ entries described below.
+ length Number of entries in the stack.
+
+ Each item in the stack is a dictionary with the following
+ entries:
+ bufnr buffer number of the current jump
+ from cursor position before the tag jump.
+ See |getpos()| for the format of the
+ returned list.
+ matchnr current matching tag number. Used when
+ multiple matching tags are found for a
+ name.
+ tagname name of the tag
+
+ See |tagstack| for more information about the tag stack.
+
*getwinposx()*
getwinposx() The result is a Number, which is the X coordinate in pixels of
the left hand side of the GUI Vim window. The result will be
@@ -7181,6 +7212,38 @@ settabwinvar({tabnr}, {winnr}, {varname}, {val}) *settabwinvar()*
:call settabwinvar(3, 2, "myvar", "foobar")
< This function is not available in the |sandbox|.
+settagstack({nr}, {dict} [, {action}]) *settagstack()*
+ Modify the tag stack of the window {nr} using {dict}.
+ {nr} can be the window number or the |window-ID|.
+
+ For a list of supported items in {dict}, refer to
+ |gettagstack()|
+ *E962*
+ If {action} is not present or is set to 'r', then the tag
+ stack is replaced. If {action} is set to 'a', then new entries
+ from {dict} are pushed onto the tag stack.
+
+ Returns zero for success, -1 for failure.
+
+ Examples:
+ Set current index of the tag stack to 4: >
+ call settagstack(1005, {'curidx' : 4})
+
+< Empty the tag stack of window 3: >
+ call settagstack(3, {'items' : []})
+
+< Push a new item onto the tag stack: >
+ let pos = [bufnr('myfile.txt'), 10, 1, 0]
+ let newtag = [{'tagname' : 'mytag', 'from' : pos}]
+ call settagstack(2, {'items' : newtag}, 'a')
+
+< Save and restore the tag stack: >
+ let stack = gettagstack(1003)
+ " do something else
+ call settagstack(1003, stack)
+ unlet stack
+<
+
setwinvar({nr}, {varname}, {val}) *setwinvar()*
Like |settabwinvar()| for the current tab page.
Examples: >
diff --git a/runtime/doc/tagsrch.txt b/runtime/doc/tagsrch.txt
index 08abcf2594..a4526a7f2c 100644
--- a/runtime/doc/tagsrch.txt
+++ b/runtime/doc/tagsrch.txt
@@ -173,6 +173,9 @@ commands explained above the tag stack will look like this:
1 1 main 1 harddisk2:text/vim/test
2 1 FuncB 59 harddisk2:text/vim/src/main.c
+The gettagstack() function returns the tag stack of a specified window. The
+settagstack() function modifies the tag stack of a window.
+
*E73*
When you try to use the tag stack while it doesn't contain anything you will
get an error message.
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index 32923f6b25..53bdb5e8fe 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -957,6 +957,8 @@ Various: *various-functions*
taglist() get list of matching tags
tagfiles() get a list of tags files
+ gettagstack() get the tag stack
+ settagstack() modify the tag stack
luaeval() evaluate Lua expression
py3eval() evaluate Python expression (|+python3|)
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index c7d4e32739..3fb19ad153 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -10404,6 +10404,26 @@ static void f_gettabwinvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
getwinvar(argvars, rettv, 1);
}
+/*
+ * "gettagstack()" function
+ */
+ static void
+f_gettagstack(typval_T *argvars, typval_T *rettv, FunPtr fptr)
+{
+ win_T *wp = curwin; // default is current window
+
+ tv_dict_alloc_ret(rettv);
+
+ if (argvars[0].v_type != VAR_UNKNOWN)
+ {
+ wp = find_win_by_nr_or_id(&argvars[0]);
+ if (wp == NULL)
+ return;
+ }
+
+ get_tagstack(wp, rettv->vval.v_dict);
+}
+
/// Returns information about a window as a dictionary.
static dict_T *get_win_info(win_T *wp, int16_t tpnr, int16_t winnr)
{
@@ -15197,6 +15217,64 @@ static void f_settabwinvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
}
/*
+ * "settagstack()" function
+ */
+ static void
+f_settagstack(typval_T *argvars, typval_T *rettv, FunPtr fptr)
+{
+ static char *e_invact2 = N_("E962: Invalid action: '%s'");
+ win_T *wp;
+ dict_T *d;
+ int action = 'r';
+
+ rettv->vval.v_number = -1;
+
+ // first argument: window number or id
+ wp = find_win_by_nr_or_id(&argvars[0]);
+ if (wp == NULL)
+ return;
+
+ // second argument: dict with items to set in the tag stack
+ if (argvars[1].v_type != VAR_DICT)
+ {
+ EMSG(_(e_dictreq));
+ return;
+ }
+ d = argvars[1].vval.v_dict;
+ if (d == NULL)
+ return;
+
+ // third argument: action - 'a' for append and 'r' for replace.
+ // default is to replace the stack.
+ if (argvars[2].v_type == VAR_UNKNOWN)
+ action = 'r';
+ else if (argvars[2].v_type == VAR_STRING)
+ {
+ const char *actstr;
+ actstr = tv_get_string_chk(&argvars[2]);
+ if (actstr == NULL)
+ return;
+ if ((*actstr == 'r' || *actstr == 'a') && actstr[1] == NUL)
+ action = *actstr;
+ else
+ {
+ EMSG2(_(e_invact2), actstr);
+ return;
+ }
+ }
+ else
+ {
+ EMSG(_(e_stringreq));
+ return;
+ }
+
+ if (set_tagstack(wp, d, action) == OK)
+ rettv->vval.v_number = 0;
+ else
+ EMSG(_(e_listreq));
+}
+
+/*
* "setwinvar()" function
*/
static void f_setwinvar(typval_T *argvars, typval_T *rettv, FunPtr fptr)
@@ -18197,7 +18275,7 @@ pos_T *var2fpos(const typval_T *const tv, const int dollar_lnum,
* Return FAIL when conversion is not possible, doesn't check the position for
* validity.
*/
-static int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp)
+int list2fpos(typval_T *arg, pos_T *posp, int *fnump, colnr_T *curswantp)
{
list_T *l;
long i = 0;
diff --git a/src/nvim/eval.lua b/src/nvim/eval.lua
index b7525ee49b..5e0e2c038a 100644
--- a/src/nvim/eval.lua
+++ b/src/nvim/eval.lua
@@ -142,6 +142,7 @@ return {
gettabinfo={args={0, 1}},
gettabvar={args={2, 3}},
gettabwinvar={args={3, 4}},
+ gettagstack={args={0, 1}},
getwininfo={args={0, 1}},
getwinposx={},
getwinposy={},
@@ -268,6 +269,7 @@ return {
setreg={args={2, 3}},
settabvar={args=3},
settabwinvar={args=4},
+ settagstack={args={2, 3}},
setwinvar={args=3},
sha256={args=1},
shellescape={args={1, 2}},
diff --git a/src/nvim/tag.c b/src/nvim/tag.c
index 98be058c0b..c046f71169 100644
--- a/src/nvim/tag.c
+++ b/src/nvim/tag.c
@@ -2863,3 +2863,202 @@ int get_tags(list_T *list, char_u *pat, char_u *buf_fname)
}
return ret;
}
+
+/*
+ * Return information about 'tag' in dict 'retdict'.
+ */
+ static void
+get_tag_details(taggy_T *tag, dict_T *retdict)
+{
+ list_T *pos;
+ fmark_T *fmark;
+
+ tv_dict_add_str(retdict, S_LEN("tagname"), (const char *)tag->tagname);
+ tv_dict_add_nr(retdict, S_LEN("matchnr"), tag->cur_match + 1);
+ tv_dict_add_nr(retdict, S_LEN("bufnr"), tag->cur_fnum);
+
+ if ((pos = tv_list_alloc(4)) == NULL)
+ return;
+ tv_dict_add_list(retdict, S_LEN("from"), pos);
+
+ fmark = &tag->fmark;
+ tv_list_append_number(pos,
+ (varnumber_T)(fmark->fnum != -1 ? fmark->fnum : 0));
+ tv_list_append_number(pos, (varnumber_T)fmark->mark.lnum);
+ tv_list_append_number(pos, (varnumber_T)(fmark->mark.col == MAXCOL ?
+ MAXCOL : fmark->mark.col + 1));
+ tv_list_append_number(pos, (varnumber_T)fmark->mark.coladd);
+}
+
+/*
+ * Return the tag stack entries of the specified window 'wp' in dictionary
+ * 'retdict'.
+ */
+ void
+get_tagstack(win_T *wp, dict_T *retdict)
+{
+ list_T *l;
+ int i;
+ dict_T *d;
+
+ tv_dict_add_nr(retdict, S_LEN("length"), wp->w_tagstacklen);
+ tv_dict_add_nr(retdict, S_LEN("curidx"), wp->w_tagstackidx + 1);
+ l = tv_list_alloc(2);
+ if (l == NULL)
+ return;
+ tv_dict_add_list(retdict, S_LEN("items"), l);
+
+ for (i = 0; i < wp->w_tagstacklen; i++)
+ {
+ if ((d = tv_dict_alloc()) == NULL)
+ return;
+ tv_list_append_dict(l, d);
+
+ get_tag_details(&wp->w_tagstack[i], d);
+ }
+}
+
+/*
+ * Free all the entries in the tag stack of the specified window
+ */
+ static void
+tagstack_clear(win_T *wp)
+{
+ int i;
+
+ // Free the current tag stack
+ for (i = 0; i < wp->w_tagstacklen; ++i)
+ xfree(wp->w_tagstack[i].tagname);
+ wp->w_tagstacklen = 0;
+ wp->w_tagstackidx = 0;
+}
+
+/*
+ * Remove the oldest entry from the tag stack and shift the rest of
+ * the entires to free up the top of the stack.
+ */
+ static void
+tagstack_shift(win_T *wp)
+{
+ taggy_T *tagstack = wp->w_tagstack;
+ int i;
+
+ xfree(tagstack[0].tagname);
+ for (i = 1; i < wp->w_tagstacklen; ++i)
+ tagstack[i - 1] = tagstack[i];
+ wp->w_tagstacklen--;
+}
+
+/*
+ * Push a new item to the tag stack
+ */
+ static void
+tagstack_push_item(
+ win_T *wp,
+ char_u *tagname,
+ int cur_fnum,
+ int cur_match,
+ pos_T mark,
+ int fnum)
+{
+ taggy_T *tagstack = wp->w_tagstack;
+ int idx = wp->w_tagstacklen; // top of the stack
+
+ // if the tagstack is full: remove the oldest entry
+ if (idx >= TAGSTACKSIZE)
+ {
+ tagstack_shift(wp);
+ idx = TAGSTACKSIZE - 1;
+ }
+
+ wp->w_tagstacklen++;
+ tagstack[idx].tagname = tagname;
+ tagstack[idx].cur_fnum = cur_fnum;
+ tagstack[idx].cur_match = cur_match;
+ if (tagstack[idx].cur_match < 0)
+ tagstack[idx].cur_match = 0;
+ tagstack[idx].fmark.mark = mark;
+ tagstack[idx].fmark.fnum = fnum;
+}
+
+/*
+ * Add a list of items to the tag stack in the specified window
+ */
+ static void
+tagstack_push_items(win_T *wp, list_T *l)
+{
+ listitem_T *li;
+ dictitem_T *di;
+ dict_T *itemdict;
+ char_u *tagname;
+ pos_T mark;
+ int fnum;
+
+ // Add one entry at a time to the tag stack
+ for (li = l->lv_first; li != NULL; li = li->li_next)
+ {
+ if (li->li_tv.v_type != VAR_DICT || li->li_tv.vval.v_dict == NULL)
+ continue; // Skip non-dict items
+ itemdict = li->li_tv.vval.v_dict;
+
+ // parse 'from' for the cursor position before the tag jump
+ if ((di = tv_dict_find(itemdict, "from", -1)) == NULL)
+ continue;
+ if (list2fpos(&di->di_tv, &mark, &fnum, NULL) != OK)
+ continue;
+ if ((tagname = (char_u *)
+ tv_dict_get_string(itemdict, "tagname", TRUE)) == NULL)
+ continue;
+
+ if (mark.col > 0)
+ mark.col--;
+ tagstack_push_item(wp, tagname,
+ (int)tv_dict_get_number(itemdict, "bufnr"),
+ (int)tv_dict_get_number(itemdict, "matchnr") - 1,
+ mark, fnum);
+ }
+}
+
+/*
+ * Set the current index in the tag stack. Valid values are between 0
+ * and the stack length (inclusive).
+ */
+ static void
+tagstack_set_curidx(win_T *wp, int curidx)
+{
+ wp->w_tagstackidx = curidx;
+ if (wp->w_tagstackidx < 0) // sanity check
+ wp->w_tagstackidx = 0;
+ if (wp->w_tagstackidx > wp->w_tagstacklen)
+ wp->w_tagstackidx = wp->w_tagstacklen;
+}
+
+/*
+ * Set the tag stack entries of the specified window.
+ * 'action' is set to either 'a' for append or 'r' for replace.
+ */
+ int
+set_tagstack(win_T *wp, dict_T *d, int action)
+{
+ dictitem_T *di;
+ list_T *l;
+
+ if ((di = tv_dict_find(d, "items", -1)) != NULL)
+ {
+ if (di->di_tv.v_type != VAR_LIST)
+ {
+ return FAIL;
+ }
+ l = di->di_tv.vval.v_list;
+
+ if (action == 'r')
+ tagstack_clear(wp);
+
+ tagstack_push_items(wp, l);
+ }
+
+ if ((di = tv_dict_find(d, "curidx", -1)) != NULL)
+ tagstack_set_curidx(wp, (int)tv_get_number(&di->di_tv) - 1);
+
+ return OK;
+}
diff --git a/src/nvim/testdir/test_tagjump.vim b/src/nvim/testdir/test_tagjump.vim
index ad1f5fab73..21ea00cab7 100644
--- a/src/nvim/testdir/test_tagjump.vim
+++ b/src/nvim/testdir/test_tagjump.vim
@@ -258,6 +258,107 @@ func Test_tagjump_etags()
bwipe!
endfunc
+" Test for getting and modifying the tag stack
+func Test_getsettagstack()
+ call writefile(['line1', 'line2', 'line3'], 'Xfile1')
+ call writefile(['line1', 'line2', 'line3'], 'Xfile2')
+ call writefile(['line1', 'line2', 'line3'], 'Xfile3')
+
+ enew | only
+ call settagstack(1, {'items' : []})
+ call assert_equal(0, gettagstack(1).length)
+ call assert_equal([], gettagstack(1).items)
+ " Error cases
+ call assert_equal({}, gettagstack(100))
+ call assert_equal(-1, settagstack(100, {'items' : []}))
+ call assert_fails('call settagstack(1, [1, 10])', 'E715')
+ call assert_fails("call settagstack(1, {'items' : 10})", 'E714')
+ call assert_fails("call settagstack(1, {'items' : []}, 10)", 'E928')
+ call assert_fails("call settagstack(1, {'items' : []}, 'b')", 'E962')
+
+ set tags=Xtags
+ call writefile(["!_TAG_FILE_ENCODING\tutf-8\t//",
+ \ "one\tXfile1\t1",
+ \ "three\tXfile3\t3",
+ \ "two\tXfile2\t2"],
+ \ 'Xtags')
+
+ let stk = []
+ call add(stk, {'bufnr' : bufnr('%'), 'tagname' : 'one',
+ \ 'from' : [bufnr('%'), line('.'), col('.'), 0], 'matchnr' : 1})
+ tag one
+ call add(stk, {'bufnr' : bufnr('%'), 'tagname' : 'two',
+ \ 'from' : [bufnr('%'), line('.'), col('.'), 0], 'matchnr' : 1})
+ tag two
+ call add(stk, {'bufnr' : bufnr('%'), 'tagname' : 'three',
+ \ 'from' : [bufnr('%'), line('.'), col('.'), 0], 'matchnr' : 1})
+ tag three
+ call assert_equal(3, gettagstack(1).length)
+ call assert_equal(stk, gettagstack(1).items)
+ " Check for default - current window
+ call assert_equal(3, gettagstack().length)
+ call assert_equal(stk, gettagstack().items)
+
+ " Try to set current index to invalid values
+ call settagstack(1, {'curidx' : -1})
+ call assert_equal(1, gettagstack().curidx)
+ call settagstack(1, {'curidx' : 50})
+ call assert_equal(4, gettagstack().curidx)
+
+ " Try pushing invalid items onto the stack
+ call settagstack(1, {'items' : []})
+ call settagstack(1, {'items' : ["plate"]}, 'a')
+ call assert_equal(0, gettagstack().length)
+ call assert_equal([], gettagstack().items)
+ call settagstack(1, {'items' : [{"tagname" : "abc"}]}, 'a')
+ call assert_equal(0, gettagstack().length)
+ call assert_equal([], gettagstack().items)
+ call settagstack(1, {'items' : [{"from" : 100}]}, 'a')
+ call assert_equal(0, gettagstack().length)
+ call assert_equal([], gettagstack().items)
+ call settagstack(1, {'items' : [{"from" : [2, 1, 0, 0]}]}, 'a')
+ call assert_equal(0, gettagstack().length)
+ call assert_equal([], gettagstack().items)
+
+ " Push one item at a time to the stack
+ call settagstack(1, {'items' : []})
+ call settagstack(1, {'items' : [stk[0]]}, 'a')
+ call settagstack(1, {'items' : [stk[1]]}, 'a')
+ call settagstack(1, {'items' : [stk[2]]}, 'a')
+ call settagstack(1, {'curidx' : 4})
+ call assert_equal({'length' : 3, 'curidx' : 4, 'items' : stk},
+ \ gettagstack(1))
+
+ " Try pushing items onto a full stack
+ for i in range(7)
+ call settagstack(1, {'items' : stk}, 'a')
+ endfor
+ call assert_equal(20, gettagstack().length)
+ call settagstack(1,
+ \ {'items' : [{'tagname' : 'abc', 'from' : [1, 10, 1, 0]}]}, 'a')
+ call assert_equal('abc', gettagstack().items[19].tagname)
+
+ " Tag with multiple matches
+ call writefile(["!_TAG_FILE_ENCODING\tutf-8\t//",
+ \ "two\tXfile1\t1",
+ \ "two\tXfile2\t3",
+ \ "two\tXfile3\t2"],
+ \ 'Xtags')
+ call settagstack(1, {'items' : []})
+ tag two
+ tnext
+ tnext
+ call assert_equal(1, gettagstack().length)
+ call assert_equal(3, gettagstack().items[0].matchnr)
+
+ call settagstack(1, {'items' : []})
+ call delete('Xfile1')
+ call delete('Xfile2')
+ call delete('Xfile3')
+ call delete('Xtags')
+ set tags&
+endfunc
+
func Test_tag_with_count()
call writefile([
\ 'test Xtest.h /^void test();$/;" p typeref:typename:void signature:()',