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

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
8 changed files with 126 additions and 102 deletions

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,
fp->uf_args.ga_len);
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;
}