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-rw-r--r--src/nvim/eval.c247
1 files changed, 228 insertions, 19 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index e9b1df6367..9579a8ea75 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -6656,7 +6656,7 @@ static struct fst {
} functions[] =
{
{ "abs", 1, 1, f_abs },
- { "acos", 1, 1, f_acos }, // WJMc
+ { "acos", 1, 1, f_acos }, // WJMc
{ "add", 2, 2, f_add },
{ "and", 2, 2, f_and },
{ "append", 2, 2, f_append },
@@ -6673,9 +6673,9 @@ static struct fst {
{ "browse", 4, 4, f_browse },
{ "browsedir", 2, 2, f_browsedir },
{ "bufexists", 1, 1, f_bufexists },
- { "buffer_exists", 1, 1, f_bufexists }, // obsolete
- { "buffer_name", 1, 1, f_bufname }, // obsolete
- { "buffer_number", 1, 1, f_bufnr }, // obsolete
+ { "buffer_exists", 1, 1, f_bufexists }, // obsolete
+ { "buffer_name", 1, 1, f_bufname }, // obsolete
+ { "buffer_number", 1, 1, f_bufnr }, // obsolete
{ "buflisted", 1, 1, f_buflisted },
{ "bufloaded", 1, 1, f_bufloaded },
{ "bufname", 1, 1, f_bufname },
@@ -6719,7 +6719,7 @@ static struct fst {
{ "expand", 1, 3, f_expand },
{ "extend", 2, 3, f_extend },
{ "feedkeys", 1, 2, f_feedkeys },
- { "file_readable", 1, 1, f_filereadable }, // obsolete
+ { "file_readable", 1, 1, f_filereadable }, // obsolete
{ "filereadable", 1, 1, f_filereadable },
{ "filewritable", 1, 1, f_filewritable },
{ "filter", 2, 2, f_filter },
@@ -6749,7 +6749,7 @@ static struct fst {
{ "getcmdtype", 0, 0, f_getcmdtype },
{ "getcmdwintype", 0, 0, f_getcmdwintype },
{ "getcurpos", 0, 0, f_getcurpos },
- { "getcwd", 0, 0, f_getcwd },
+ { "getcwd", 0, 2, f_getcwd },
{ "getfontname", 0, 1, f_getfontname },
{ "getfperm", 1, 1, f_getfperm },
{ "getfsize", 1, 1, f_getfsize },
@@ -6773,7 +6773,7 @@ static struct fst {
{ "globpath", 2, 5, f_globpath },
{ "has", 1, 1, f_has },
{ "has_key", 2, 2, f_has_key },
- { "haslocaldir", 0, 0, f_haslocaldir },
+ { "haslocaldir", 0, 2, f_haslocaldir },
{ "hasmapto", 1, 3, f_hasmapto },
{ "highlightID", 1, 1, f_hlID }, // obsolete
{ "highlight_exists", 1, 1, f_hlexists }, // obsolete
@@ -9758,22 +9758,144 @@ static void f_getcmdwintype(typval_T *argvars, typval_T *rettv)
rettv->vval.v_string[0] = cmdwin_type;
}
-/*
- * "getcwd()" function
- */
+/// `getcwd([{win}[, {tab}]])` function
+///
+/// Every scope not specified implies the currently selected scope object.
+///
+/// @pre The arguments must be of type number.
+/// @pre There may not be more than two arguments.
+/// @pre An argument may not be -1 if preceding arguments are not all -1.
+///
+/// @post The return value will be a string.
static void f_getcwd(typval_T *argvars, typval_T *rettv)
{
- char_u *cwd;
+ // Possible scope of working directory to return.
+ CdScope scope = kCdScopeWindow;
+
+ // Numbers of the scope objects (window, tab) we want the working directory
+ // of. A `-1` means to skip this scope, a `0` means the current object.
+ int scope_number[] = {
+ [kCdScopeWindow] = 0, // Number of window to look at.
+ [kCdScopeTab ] = 0, // Number of tab to look at.
+ };
+
+ char_u *cwd = NULL; // Current working directory to print
+ char_u *from = NULL; // The original string to copy
+
+ tabpage_T *tp = curtab; // The tabpage to look at.
+ win_T *win = curwin; // The window to look at.
rettv->v_type = VAR_STRING;
rettv->vval.v_string = NULL;
+
+ // Pre-conditions and scope extraction together
+ for (int i = 0; i < kCdScopeGlobal; i++) {
+ if (argvars[i].v_type == VAR_UNKNOWN) {
+ break;
+ }
+ if (argvars[i].v_type != VAR_NUMBER) {
+ EMSG(_(e_invarg));
+ return;
+ }
+ scope_number[i] = argvars[i].vval.v_number;
+ // The scope is the current iteration step.
+ scope = i;
+
+ if (scope_number[i] < -1) {
+ EMSG(_(e_invarg));
+ return;
+ }
+ }
+
+ // Allocate and initialize the string to return.
cwd = xmalloc(MAXPATHL);
- if (os_dirname(cwd, MAXPATHL) != FAIL) {
- rettv->vval.v_string = vim_strsave(cwd);
+
+ // Get the scope and numbers from the arguments
+ for (int i = 0; i < MAX_CD_SCOPE; i++) {
+ // If there is no argument there are no more scopes after it, break out.
+ if (argvars[i].v_type == VAR_UNKNOWN) {
+ break;
+ }
+ scope_number[i] = argvars[i].vval.v_number;
+ // The scope is the current iteration step.
+ scope = i;
+ // It is an error for the scope number to be less than `-1`.
+ if (scope_number[i] < -1) {
+ EMSG(_(e_invarg));
+ goto end;
+ }
+ }
+
+ // It the deepest scope number is `-1` advance the scope by one.
+ if (scope_number[scope] < 0) {
+ scope++;
+ }
+
+ // Find the tabpage by number
+ if (scope_number[kCdScopeTab] == -1) {
+ tp = NULL;
+ } else if (scope_number[kCdScopeTab] > 0) {
+ tp = find_tabpage(scope_number[kCdScopeTab]);
+ if (!tp) {
+ EMSG(_("E5000: Cannot find tab number."));
+ goto end;
+ }
+ }
+
+ // Find the window in `tp` by number, `NULL` if none.
+ if (scope_number[kCdScopeWindow] == -1) {
+ win = NULL;
+ } else if (scope_number[kCdScopeWindow] >= 0) {
+ if (!tp) {
+ EMSG(_("E5001: A higher-level scope cannot be -1 if a lower-level"
+ " scope is >= 0."));
+ goto end;
+ }
+
+ if (scope_number[kCdScopeWindow] > 0) {
+ win = find_win_by_nr(&argvars[0], curtab);
+ if (!win) {
+ EMSG(_("E5002: Cannot find window number."));
+ goto end;
+ }
+ }
+ }
+
+ switch (scope) {
+ case kCdScopeWindow:
+ from = win->w_localdir;
+ if (from) {
+ break;
+ }
+ case kCdScopeTab: // FALLTHROUGH
+ from = tp->localdir;
+ if (from) {
+ break;
+ }
+ case kCdScopeGlobal: // FALLTHROUGH
+ // The `globaldir` variable is not always set.
+ if (globaldir) {
+ from = globaldir;
+ } else {
+ // Copy the OS path directly into output string and jump to the end.
+ if (os_dirname(cwd, MAXPATHL) == FAIL) {
+ EMSG(_("E41: Could not display path."));
+ goto end;
+ }
+ }
+ break;
+ }
+
+ if (from) {
+ xstrlcpy((char *)cwd, (char *)from, MAXPATHL);
+ }
+
+ rettv->vval.v_string = vim_strsave(cwd);
#ifdef BACKSLASH_IN_FILENAME
- slash_adjust(rettv->vval.v_string);
+ slash_adjust(rettv->vval.v_string);
#endif
- }
+
+end:
xfree(cwd);
}
@@ -10592,12 +10714,99 @@ static void f_has_key(typval_T *argvars, typval_T *rettv)
get_tv_string(&argvars[1]), -1) != NULL;
}
-/*
- * "haslocaldir()" function
- */
+/// `haslocaldir([{win}[, {tab}]])` function
+///
+/// Returns `1` if the scope object has a local directory, `0` otherwise. If a
+/// scope object is not specified the current one is implied. This function
+/// share a lot of code with `f_getcwd`.
+///
+/// @pre The arguments must be of type number.
+/// @pre There may not be more than two arguments.
+/// @pre An argument may not be -1 if preceding arguments are not all -1.
+///
+/// @post The return value will be either the number `1` or `0`.
static void f_haslocaldir(typval_T *argvars, typval_T *rettv)
{
- rettv->vval.v_number = (curwin->w_localdir != NULL);
+ // Possible scope of working directory to return.
+ CdScope scope = kCdScopeWindow;
+
+ // Numbers of the scope objects (window, tab) we want the working directory
+ // of. A `-1` means to skip this scope, a `0` means the current object.
+ int scope_number[] = {
+ [kCdScopeWindow] = 0, // Number of window to look at.
+ [kCdScopeTab ] = 0, // Number of tab to look at.
+ };
+
+ tabpage_T *tp = curtab; // The tabpage to look at.
+ win_T *win = curwin; // The window to look at.
+
+ rettv->v_type = VAR_NUMBER;
+ rettv->vval.v_number = 0;
+
+ // Pre-conditions and scope extraction together
+ for (int i = 0; i < kCdScopeGlobal; i++) {
+ if (argvars[i].v_type == VAR_UNKNOWN) {
+ break;
+ }
+ if (argvars[i].v_type != VAR_NUMBER) {
+ EMSG(_(e_invarg));
+ return;
+ }
+ scope_number[i] = argvars[i].vval.v_number;
+ // The scope is the current iteration step.
+ scope = i;
+ if (scope_number[i] < -1) {
+ EMSG(_(e_invarg));
+ return;
+ }
+ }
+
+ // It the deepest scope number is `-1` advance the scope by one.
+ if (scope_number[scope] < 0) {
+ ++scope;
+ }
+
+ // Find the tabpage by number
+ if (scope_number[kCdScopeTab] == -1) {
+ tp = NULL;
+ } else if (scope_number[kCdScopeTab] > 0) {
+ tp = find_tabpage(scope_number[kCdScopeTab]);
+ if (!tp) {
+ EMSG(_("5000: Cannot find tab number."));
+ return;
+ }
+ }
+
+ // Find the window in `tp` by number, `NULL` if none.
+ if (scope_number[kCdScopeWindow] == -1) {
+ win = NULL;
+ } else if (scope_number[kCdScopeWindow] >= 0) {
+ if (!tp) {
+ EMSG(_("E5001: A higher-level scope cannot be -1 if a lower-level"
+ " scope is >= 0."));
+ return;
+ }
+
+ if (scope_number[kCdScopeWindow] > 0) {
+ win = find_win_by_nr(&argvars[0], curtab);
+ if (!win) {
+ EMSG(_("E5002: Cannot find window number."));
+ return;
+ }
+ }
+ }
+
+ switch (scope) {
+ case kCdScopeWindow:
+ rettv->vval.v_number = win->w_localdir ? 1 : 0;
+ break;
+ case kCdScopeTab:
+ rettv->vval.v_number = tp->localdir ? 1 : 0;
+ break;
+ case kCdScopeGlobal:
+ assert(0);
+ break;
+ }
}
/*
generated by cgit (git 2.34.1) at 2025-05-29 04:48:56 +0000