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vim-patch:8.1.1800: function call functions have too many arguments

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Problem:    Function call functions have too many arguments.
Solution:   Pass values in a funcexe_T struct.
c6538bcc1c

Use FUNCEXE_INIT to initialize funcexe_T instances.

call_callback() and other Vim listener related stuff is N/A.
This commit is contained in:
Sean Dewar 2021-05-21 15:12:35 +01:00
parent 60dd76c7e2
commit 4042ae5a2b
No known key found for this signature in database
GPG Key ID: 08CC2C83AD41B581
8 changed files with 126 additions and 102 deletions
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9
src/nvim/api/vim.c
View File

@ -614,12 +614,15 @@ static Object _call_function(String fn, Array args, dict_T *self, Error *err)
recursive++;
try_start();
typval_T rettv;
int dummy;
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = true;
funcexe.selfdict = self;
// call_func() retval is deceptive, ignore it. Instead we set `msg_list`
// (see above) to capture abort-causing non-exception errors.
(void)call_func((char_u *)fn.data, (int)fn.size, &rettv, (int)args.size,
vim_args, NULL, curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&dummy, true, NULL, self);
vim_args, &funcexe);
if (!try_end(err)) {
rv = vim_to_object(&rettv);
}

70
src/nvim/eval.c
View File

@ -737,15 +737,15 @@ int eval_expr_typval(const typval_T *expr, typval_T *argv,
int argc, typval_T *rettv)
FUNC_ATTR_NONNULL_ARG(1, 2, 4)
{
int dummy;
funcexe_T funcexe = FUNCEXE_INIT;
if (expr->v_type == VAR_FUNC) {
const char_u *const s = expr->vval.v_string;
if (s == NULL || *s == NUL) {
return FAIL;
}
if (call_func(s, -1, rettv, argc, argv, NULL,
0L, 0L, &dummy, true, NULL, NULL) == FAIL) {
funcexe.evaluate = true;
if (call_func(s, -1, rettv, argc, argv, &funcexe) == FAIL) {
return FAIL;
}
} else if (expr->v_type == VAR_PARTIAL) {
@ -754,8 +754,9 @@ int eval_expr_typval(const typval_T *expr, typval_T *argv,
if (s == NULL || *s == NUL) {
return FAIL;
}
if (call_func(s, -1, rettv, argc, argv, NULL,
0L, 0L, &dummy, true, partial, NULL) == FAIL) {
funcexe.evaluate = true;
funcexe.partial = partial;
if (call_func(s, -1, rettv, argc, argv, &funcexe) == FAIL) {
return FAIL;
}
} else {
@ -1051,7 +1052,6 @@ int call_vim_function(
)
FUNC_ATTR_NONNULL_ALL
{
int doesrange;
int ret;
int len = (int)STRLEN(func);
partial_T *pt = NULL;
@ -1067,9 +1067,12 @@ int call_vim_function(
}
rettv->v_type = VAR_UNKNOWN; // tv_clear() uses this.
ret = call_func(func, len, rettv, argc, argv, NULL,
curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&doesrange, true, pt, NULL);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = true;
funcexe.partial = pt;
ret = call_func(func, len, rettv, argc, argv, &funcexe);
fail:
if (ret == FAIL) {
@ -3988,9 +3991,12 @@ static int eval7(
s = xmemdupz(s, len);
// Invoke the function.
ret = get_func_tv(s, len, rettv, arg,
curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&len, evaluate, partial, NULL);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = evaluate;
funcexe.partial = partial;
ret = get_func_tv(s, len, rettv, arg, &funcexe);
xfree(s);
@ -7260,10 +7266,12 @@ bool callback_call(Callback *const callback, const int argcount_in,
abort();
}
int dummy;
return call_func(name, -1, rettv, argcount_in, argvars_in,
NULL, curwin->w_cursor.lnum, curwin->w_cursor.lnum, &dummy,
true, partial, NULL);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = true;
funcexe.partial = partial;
return call_func(name, -1, rettv, argcount_in, argvars_in, &funcexe);
}
static bool set_ref_in_callback(Callback *callback, int copyID,
@ -8426,7 +8434,6 @@ handle_subscript(
int ret = OK;
dict_T *selfdict = NULL;
const char_u *s;
int len;
typval_T functv;
int slen = 0;
bool lua = false;
@ -8474,9 +8481,14 @@ handle_subscript(
} else {
s = (char_u *)"";
}
ret = get_func_tv(s, lua ? slen : -1, rettv, (char_u **)arg,
curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&len, evaluate, pt, selfdict);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = evaluate;
funcexe.partial = pt;
funcexe.selfdict = selfdict;
ret = get_func_tv(s, lua ? slen : -1, rettv, (char_u **)arg, &funcexe);
// Clear the funcref afterwards, so that deleting it while
// evaluating the arguments is possible (see test55).
@ -10416,19 +10428,11 @@ typval_T eval_call_provider(char *provider, char *method, list_T *arguments,
typval_T rettv = { .v_type = VAR_UNKNOWN, .v_lock = VAR_UNLOCKED };
tv_list_ref(arguments);
int dummy;
(void)call_func((const char_u *)func,
name_len,
&rettv,
2,
argvars,
NULL,
curwin->w_cursor.lnum,
curwin->w_cursor.lnum,
&dummy,
true,
NULL,
NULL);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = true;
(void)call_func((const char_u *)func, name_len, &rettv, 2, argvars, &funcexe);
tv_list_unref(arguments);
// Restore caller scope information

10
src/nvim/eval/funcs.c
View File

@ -9420,7 +9420,6 @@ static int item_compare2(const void *s1, const void *s2, bool keep_zero)
int res;
typval_T rettv;
typval_T argv[3];
int dummy;
const char *func_name;
partial_T *partial = sortinfo->item_compare_partial;
@ -9444,10 +9443,11 @@ static int item_compare2(const void *s1, const void *s2, bool keep_zero)
tv_copy(TV_LIST_ITEM_TV(si2->item), &argv[1]);
rettv.v_type = VAR_UNKNOWN; // tv_clear() uses this
res = call_func((const char_u *)func_name,
-1,
&rettv, 2, argv, NULL, 0L, 0L, &dummy, true,
partial, sortinfo->item_compare_selfdict);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.evaluate = true;
funcexe.partial = partial;
funcexe.selfdict = sortinfo->item_compare_selfdict;
res = call_func((const char_u *)func_name, -1, &rettv, 2, argv, &funcexe);
tv_clear(&argv[0]);
tv_clear(&argv[1]);

78
src/nvim/eval/userfunc.c
View File

@ -414,12 +414,7 @@ get_func_tv(
int len, // length of "name" or -1 to use strlen()
typval_T *rettv,
char_u **arg, // argument, pointing to the '('
linenr_T firstline, // first line of range
linenr_T lastline, // last line of range
int *doesrange, // return: function handled range
int evaluate,
partial_T *partial, // for extra arguments
dict_T *selfdict // Dictionary for "self"
funcexe_T *funcexe // various values
)
{
char_u *argp;
@ -431,12 +426,13 @@ get_func_tv(
* Get the arguments.
*/
argp = *arg;
while (argcount < MAX_FUNC_ARGS - (partial == NULL ? 0 : partial->pt_argc)) {
while (argcount < MAX_FUNC_ARGS
- (funcexe->partial == NULL ? 0 : funcexe->partial->pt_argc)) {
argp = skipwhite(argp + 1); // skip the '(' or ','
if (*argp == ')' || *argp == ',' || *argp == NUL) {
break;
}
if (eval1(&argp, &argvars[argcount], evaluate) == FAIL) {
if (eval1(&argp, &argvars[argcount], funcexe->evaluate) == FAIL) {
ret = FAIL;
break;
}
@ -463,9 +459,7 @@ get_func_tv(
((typval_T **)funcargs.ga_data)[funcargs.ga_len++] = &argvars[i];
}
}
ret = call_func(name, len, rettv, argcount, argvars, NULL,
firstline, lastline, doesrange, evaluate,
partial, selfdict);
ret = call_func(name, len, rettv, argcount, argvars, funcexe);
funcargs.ga_len -= i;
} else if (!aborting()) {
@ -1367,7 +1361,6 @@ int func_call(char_u *name, typval_T *args, partial_T *partial,
{
typval_T argv[MAX_FUNC_ARGS + 1];
int argc = 0;
int dummy;
int r = 0;
TV_LIST_ITER(args->vval.v_list, item, {
@ -1380,9 +1373,13 @@ int func_call(char_u *name, typval_T *args, partial_T *partial,
tv_copy(TV_LIST_ITEM_TV(item), &argv[argc++]);
});
r = call_func(name, -1, rettv, argc, argv, NULL,
curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&dummy, true, partial, selfdict);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = true;
funcexe.partial = partial;
funcexe.selfdict = selfdict;
r = call_func(name, -1, rettv, argc, argv, &funcexe);
func_call_skip_call:
// Free the arguments.
@ -1425,10 +1422,6 @@ static void user_func_error(int error, const char_u *name)
/// Call a function with its resolved parameters
///
/// "argv_func", when not NULL, can be used to fill in arguments only when the
/// invoked function uses them. It is called like this:
/// new_argcount = argv_func(current_argcount, argv, called_func_argcount)
///
/// @return FAIL if function cannot be called, else OK (even if an error
/// occurred while executing the function! Set `msg_list` to capture
/// the error, see do_cmdline()).
@ -1440,15 +1433,9 @@ call_func(
int argcount_in, // number of "argvars"
typval_T *argvars_in, // vars for arguments, must have "argcount"
// PLUS ONE elements!
ArgvFunc argv_func, // function to fill in argvars
linenr_T firstline, // first line of range
linenr_T lastline, // last line of range
int *doesrange, // [out] function handled range
bool evaluate,
partial_T *partial, // optional, can be NULL
dict_T *selfdict_in // Dictionary for "self"
funcexe_T *funcexe // more arguments
)
FUNC_ATTR_NONNULL_ARG(1, 3, 5, 9)
FUNC_ATTR_NONNULL_ARG(1, 3, 5, 6)
{
int ret = FAIL;
int error = ERROR_NONE;
@ -1459,9 +1446,10 @@ call_func(
char_u *name = NULL;
int argcount = argcount_in;
typval_T *argvars = argvars_in;
dict_T *selfdict = selfdict_in;
dict_T *selfdict = funcexe->selfdict;
typval_T argv[MAX_FUNC_ARGS + 1]; // used when "partial" is not NULL
int argv_clear = 0;
partial_T *partial = funcexe->partial;
// Initialize rettv so that it is safe for caller to invoke clear_tv(rettv)
// even when call_func() returns FAIL.
@ -1480,14 +1468,15 @@ call_func(
fname = fname_trans_sid(name, fname_buf, &tofree, &error);
}
*doesrange = false;
if (funcexe->doesrange != NULL) {
*funcexe->doesrange = false;
}
if (partial != NULL) {
// When the function has a partial with a dict and there is a dict
// argument, use the dict argument. That is backwards compatible.
// When the dict was bound explicitly use the one from the partial.
if (partial->pt_dict != NULL
&& (selfdict_in == NULL || !partial->pt_auto)) {
if (partial->pt_dict != NULL && (selfdict == NULL || !partial->pt_auto)) {
selfdict = partial->pt_dict;
}
if (error == ERROR_NONE && partial->pt_argc > 0) {
@ -1506,7 +1495,7 @@ call_func(
}
}
if (error == ERROR_NONE && evaluate) {
if (error == ERROR_NONE && funcexe->evaluate) {
char_u *rfname = fname;
// Ignore "g:" before a function name.
@ -1549,13 +1538,13 @@ call_func(
cfunc_T cb = fp->uf_cb;
error = (*cb)(argcount, argvars, rettv, fp->uf_cb_state);
} else if (fp != NULL) {
if (argv_func != NULL) {
if (funcexe->argv_func != NULL) {
// postponed filling in the arguments, do it now
argcount = argv_func(argcount, argvars, argv_clear,
argcount = funcexe->argv_func(argcount, argvars, argv_clear,
fp->uf_args.ga_len);
}
if (fp->uf_flags & FC_RANGE) {
*doesrange = true;
if (fp->uf_flags & FC_RANGE && funcexe->doesrange != NULL) {
*funcexe->doesrange = true;
}
if (argcount < fp->uf_args.ga_len - fp->uf_def_args.ga_len) {
error = ERROR_TOOFEW;
@ -1565,7 +1554,8 @@ call_func(
error = ERROR_DICT;
} else {
// Call the user function.
call_user_func(fp, argcount, argvars, rettv, firstline, lastline,
call_user_func(fp, argcount, argvars, rettv, funcexe->firstline,
funcexe->lastline,
(fp->uf_flags & FC_DICT) ? selfdict : NULL);
error = ERROR_NONE;
}
@ -2901,7 +2891,7 @@ void ex_call(exarg_T *eap)
int len;
typval_T rettv;
linenr_T lnum;
int doesrange;
bool doesrange;
bool failed = false;
funcdict_T fudi;
partial_T *partial = NULL;
@ -2965,9 +2955,15 @@ void ex_call(exarg_T *eap)
curwin->w_cursor.coladd = 0;
}
arg = startarg;
if (get_func_tv(name, -1, &rettv, &arg,
eap->line1, eap->line2, &doesrange,
true, partial, fudi.fd_dict) == FAIL) {
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = eap->line1;
funcexe.lastline = eap->line2;
funcexe.doesrange = &doesrange;
funcexe.evaluate = true;
funcexe.partial = partial;
funcexe.selfdict = fudi.fd_dict;
if (get_func_tv(name, -1, &rettv, &arg, &funcexe) == FAIL) {
failed = true;
break;
}

23
src/nvim/eval/userfunc.h
View File

@ -30,9 +30,32 @@ typedef enum {
ERROR_DELETED,
} FnameTransError;
/// Used in funcexe_T. Returns the new argcount.
typedef int (*ArgvFunc)(int current_argcount, typval_T *argv, int argskip,
int called_func_argcount);
/// Structure passed between functions dealing with function call execution.
typedef struct {
ArgvFunc argv_func; ///< when not NULL, can be used to fill in arguments only
///< when the invoked function uses them
linenr_T firstline; ///< first line of range
linenr_T lastline; ///< last line of range
bool *doesrange; ///< [out] if not NULL: function handled range
bool evaluate; ///< actually evaluate expressions
partial_T *partial; ///< for extra arguments
dict_T *selfdict; ///< Dictionary for "self"
} funcexe_T;
#define FUNCEXE_INIT (funcexe_T) { \
.argv_func = NULL, \
.firstline = 0, \
.lastline = 0, \
.doesrange = NULL, \
.evaluate = false, \
.partial = NULL, \
.selfdict = NULL, \
}
#define FUNCARG(fp, j) ((char_u **)(fp->uf_args.ga_data))[j]
#define FUNCLINE(fp, j) ((char_u **)(fp->uf_lines.ga_data))[j]

10
src/nvim/lua/executor.c
View File

@ -780,13 +780,13 @@ int nlua_call(lua_State *lstate)
try_start();
typval_T rettv;
int dummy;
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = true;
// call_func() retval is deceptive, ignore it. Instead we set `msg_list`
// (TRY_WRAP) to capture abort-causing non-exception errors.
(void)call_func(name, (int)name_len, &rettv, nargs,
vim_args, NULL,
curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&dummy, true, NULL, NULL);
(void)call_func(name, (int)name_len, &rettv, nargs, vim_args, &funcexe);
if (!try_end(&err)) {
nlua_push_typval(lstate, &rettv, false);
}

12
src/nvim/normal.c
View File

@ -2531,12 +2531,12 @@ do_mouse (
}
};
typval_T rettv;
int doesrange;
(void)call_func((char_u *)tab_page_click_defs[mouse_col].func,
-1,
&rettv, ARRAY_SIZE(argv), argv, NULL,
curwin->w_cursor.lnum, curwin->w_cursor.lnum,
&doesrange, true, NULL, NULL);
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.firstline = curwin->w_cursor.lnum;
funcexe.lastline = curwin->w_cursor.lnum;
funcexe.evaluate = true;
(void)call_func((char_u *)tab_page_click_defs[mouse_col].func, -1,
&rettv, ARRAY_SIZE(argv), argv, &funcexe);
tv_clear(&rettv);
break;
}

14
src/nvim/regexp.c
View File

@ -6726,26 +6726,24 @@ static int vim_regsub_both(char_u *source, typval_T *expr, char_u *dest,
if (expr != NULL) {
typval_T argv[2];
int dummy;
typval_T rettv;
staticList10_T matchList = TV_LIST_STATIC10_INIT;
rettv.v_type = VAR_STRING;
rettv.vval.v_string = NULL;
argv[0].v_type = VAR_LIST;
argv[0].vval.v_list = &matchList.sl_list;
funcexe_T funcexe = FUNCEXE_INIT;
funcexe.argv_func = fill_submatch_list;
funcexe.evaluate = true;
if (expr->v_type == VAR_FUNC) {
s = expr->vval.v_string;
call_func(s, -1, &rettv, 1, argv,
fill_submatch_list, 0L, 0L, &dummy,
true, NULL, NULL);
call_func(s, -1, &rettv, 1, argv, &funcexe);
} else if (expr->v_type == VAR_PARTIAL) {
partial_T *partial = expr->vval.v_partial;
s = partial_name(partial);
call_func(s, -1, &rettv, 1, argv,
fill_submatch_list, 0L, 0L, &dummy,
true, partial, NULL);
funcexe.partial = partial;
call_func(s, -1, &rettv, 1, argv, &funcexe);
}
if (tv_list_len(&matchList.sl_list) > 0) {
// fill_submatch_list() was called.