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evalfunc.c
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* evalfunc.c: Builtin functions
*/
#define USING_FLOAT_STUFF
#include "vim.h"
#if defined(FEAT_EVAL) || defined(PROTO)
#ifdef VMS
# include <float.h>
#endif
static void f_and(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_BEVAL
static void f_balloon_gettext(typval_T *argvars, typval_T *rettv);
static void f_balloon_show(typval_T *argvars, typval_T *rettv);
# if defined(FEAT_BEVAL_TERM)
static void f_balloon_split(typval_T *argvars, typval_T *rettv);
# endif
#endif
static void f_byte2line(typval_T *argvars, typval_T *rettv);
static void f_call(typval_T *argvars, typval_T *rettv);
static void f_changenr(typval_T *argvars, typval_T *rettv);
static void f_char2nr(typval_T *argvars, typval_T *rettv);
static void f_charcol(typval_T *argvars, typval_T *rettv);
static void f_col(typval_T *argvars, typval_T *rettv);
static void f_confirm(typval_T *argvars, typval_T *rettv);
static void f_copy(typval_T *argvars, typval_T *rettv);
static void f_cursor(typval_T *argsvars, typval_T *rettv);
#ifdef MSWIN
static void f_debugbreak(typval_T *argvars, typval_T *rettv);
#endif
static void f_deepcopy(typval_T *argvars, typval_T *rettv);
static void f_did_filetype(typval_T *argvars, typval_T *rettv);
static void f_echoraw(typval_T *argvars, typval_T *rettv);
static void f_empty(typval_T *argvars, typval_T *rettv);
static void f_environ(typval_T *argvars, typval_T *rettv);
static void f_escape(typval_T *argvars, typval_T *rettv);
static void f_eval(typval_T *argvars, typval_T *rettv);
static void f_eventhandler(typval_T *argvars, typval_T *rettv);
static void f_execute(typval_T *argvars, typval_T *rettv);
static void f_expand(typval_T *argvars, typval_T *rettv);
static void f_expandcmd(typval_T *argvars, typval_T *rettv);
static void f_feedkeys(typval_T *argvars, typval_T *rettv);
static void f_fnameescape(typval_T *argvars, typval_T *rettv);
static void f_foreground(typval_T *argvars, typval_T *rettv);
static void f_funcref(typval_T *argvars, typval_T *rettv);
static void f_function(typval_T *argvars, typval_T *rettv);
static void f_garbagecollect(typval_T *argvars, typval_T *rettv);
static void f_get(typval_T *argvars, typval_T *rettv);
static void f_getchangelist(typval_T *argvars, typval_T *rettv);
static void f_getcharpos(typval_T *argvars, typval_T *rettv);
static void f_getcharsearch(typval_T *argvars, typval_T *rettv);
static void f_getenv(typval_T *argvars, typval_T *rettv);
static void f_getfontname(typval_T *argvars, typval_T *rettv);
static void f_getjumplist(typval_T *argvars, typval_T *rettv);
static void f_getpid(typval_T *argvars, typval_T *rettv);
static void f_getcurpos(typval_T *argvars, typval_T *rettv);
static void f_getcursorcharpos(typval_T *argvars, typval_T *rettv);
static void f_getpos(typval_T *argvars, typval_T *rettv);
static void f_getreg(typval_T *argvars, typval_T *rettv);
static void f_getreginfo(typval_T *argvars, typval_T *rettv);
static void f_getregtype(typval_T *argvars, typval_T *rettv);
static void f_gettagstack(typval_T *argvars, typval_T *rettv);
static void f_gettext(typval_T *argvars, typval_T *rettv);
static void f_haslocaldir(typval_T *argvars, typval_T *rettv);
static void f_hasmapto(typval_T *argvars, typval_T *rettv);
static void f_hlID(typval_T *argvars, typval_T *rettv);
static void f_hlexists(typval_T *argvars, typval_T *rettv);
static void f_hostname(typval_T *argvars, typval_T *rettv);
static void f_index(typval_T *argvars, typval_T *rettv);
static void f_input(typval_T *argvars, typval_T *rettv);
static void f_inputdialog(typval_T *argvars, typval_T *rettv);
static void f_inputlist(typval_T *argvars, typval_T *rettv);
static void f_inputrestore(typval_T *argvars, typval_T *rettv);
static void f_inputsave(typval_T *argvars, typval_T *rettv);
static void f_inputsecret(typval_T *argvars, typval_T *rettv);
static void f_interrupt(typval_T *argvars, typval_T *rettv);
static void f_invert(typval_T *argvars, typval_T *rettv);
static void f_islocked(typval_T *argvars, typval_T *rettv);
static void f_last_buffer_nr(typval_T *argvars, typval_T *rettv);
static void f_len(typval_T *argvars, typval_T *rettv);
static void f_libcall(typval_T *argvars, typval_T *rettv);
static void f_libcallnr(typval_T *argvars, typval_T *rettv);
static void f_line(typval_T *argvars, typval_T *rettv);
static void f_line2byte(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_LUA
static void f_luaeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_match(typval_T *argvars, typval_T *rettv);
static void f_matchend(typval_T *argvars, typval_T *rettv);
static void f_matchlist(typval_T *argvars, typval_T *rettv);
static void f_matchstr(typval_T *argvars, typval_T *rettv);
static void f_matchstrpos(typval_T *argvars, typval_T *rettv);
static void f_max(typval_T *argvars, typval_T *rettv);
static void f_min(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_MZSCHEME
static void f_mzeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_nextnonblank(typval_T *argvars, typval_T *rettv);
static void f_nr2char(typval_T *argvars, typval_T *rettv);
static void f_or(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_PERL
static void f_perleval(typval_T *argvars, typval_T *rettv);
#endif
static void f_prevnonblank(typval_T *argvars, typval_T *rettv);
static void f_printf(typval_T *argvars, typval_T *rettv);
static void f_pum_getpos(typval_T *argvars, typval_T *rettv);
static void f_pumvisible(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_PYTHON3
static void f_py3eval(typval_T *argvars, typval_T *rettv);
#endif
#ifdef FEAT_PYTHON
static void f_pyeval(typval_T *argvars, typval_T *rettv);
#endif
#if defined(FEAT_PYTHON) || defined(FEAT_PYTHON3)
static void f_pyxeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_test_srand_seed(typval_T *argvars, typval_T *rettv);
static void f_rand(typval_T *argvars, typval_T *rettv);
static void f_range(typval_T *argvars, typval_T *rettv);
static void f_reg_executing(typval_T *argvars, typval_T *rettv);
static void f_reg_recording(typval_T *argvars, typval_T *rettv);
static void f_rename(typval_T *argvars, typval_T *rettv);
static void f_repeat(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_RUBY
static void f_rubyeval(typval_T *argvars, typval_T *rettv);
#endif
static void f_screenattr(typval_T *argvars, typval_T *rettv);
static void f_screenchar(typval_T *argvars, typval_T *rettv);
static void f_screenchars(typval_T *argvars, typval_T *rettv);
static void f_screencol(typval_T *argvars, typval_T *rettv);
static void f_screenrow(typval_T *argvars, typval_T *rettv);
static void f_screenstring(typval_T *argvars, typval_T *rettv);
static void f_search(typval_T *argvars, typval_T *rettv);
static void f_searchdecl(typval_T *argvars, typval_T *rettv);
static void f_searchpair(typval_T *argvars, typval_T *rettv);
static void f_searchpairpos(typval_T *argvars, typval_T *rettv);
static void f_searchpos(typval_T *argvars, typval_T *rettv);
static void f_setcharpos(typval_T *argvars, typval_T *rettv);
static void f_setcharsearch(typval_T *argvars, typval_T *rettv);
static void f_setcursorcharpos(typval_T *argvars, typval_T *rettv);
static void f_setenv(typval_T *argvars, typval_T *rettv);
static void f_setfperm(typval_T *argvars, typval_T *rettv);
static void f_setpos(typval_T *argvars, typval_T *rettv);
static void f_setreg(typval_T *argvars, typval_T *rettv);
static void f_settagstack(typval_T *argvars, typval_T *rettv);
#ifdef FEAT_CRYPT
static void f_sha256(typval_T *argvars, typval_T *rettv);
#endif
static void f_shellescape(typval_T *argvars, typval_T *rettv);
static void f_shiftwidth(typval_T *argvars, typval_T *rettv);
static void f_soundfold(typval_T *argvars, typval_T *rettv);
static void f_spellbadword(typval_T *argvars, typval_T *rettv);
static void f_spellsuggest(typval_T *argvars, typval_T *rettv);
static void f_split(typval_T *argvars, typval_T *rettv);
static void f_srand(typval_T *argvars, typval_T *rettv);
static void f_submatch(typval_T *argvars, typval_T *rettv);
static void f_substitute(typval_T *argvars, typval_T *rettv);
static void f_swapinfo(typval_T *argvars, typval_T *rettv);
static void f_swapname(typval_T *argvars, typval_T *rettv);
static void f_synID(typval_T *argvars, typval_T *rettv);
static void f_synIDattr(typval_T *argvars, typval_T *rettv);
static void f_synIDtrans(typval_T *argvars, typval_T *rettv);
static void f_synstack(typval_T *argvars, typval_T *rettv);
static void f_synconcealed(typval_T *argvars, typval_T *rettv);
static void f_tabpagebuflist(typval_T *argvars, typval_T *rettv);
static void f_taglist(typval_T *argvars, typval_T *rettv);
static void f_tagfiles(typval_T *argvars, typval_T *rettv);
static void f_type(typval_T *argvars, typval_T *rettv);
static void f_virtcol(typval_T *argvars, typval_T *rettv);
static void f_visualmode(typval_T *argvars, typval_T *rettv);
static void f_wildmenumode(typval_T *argvars, typval_T *rettv);
static void f_windowsversion(typval_T *argvars, typval_T *rettv);
static void f_wordcount(typval_T *argvars, typval_T *rettv);
static void f_xor(typval_T *argvars, typval_T *rettv);
/*
* Functions that check the argument type of a builtin function.
* Each function returns FAIL and gives an error message if the type is wrong.
*/
// Context passed to an arg_ function.
typedef struct {
int arg_count; // actual argument count
type_T **arg_types; // list of argument types
int arg_idx; // current argument index (first arg is zero)
cctx_T *arg_cctx;
} argcontext_T;
// A function to check one argument type. The first argument is the type to
// check. If needed, other argument types can be obtained with the context.
// E.g. if "arg_idx" is 1, then (type - 1) is the first argument type.
typedef int (*argcheck_T)(type_T *, argcontext_T *);
/*
* Call need_type() to check an argument type.
*/
static int
check_arg_type(
type_T *expected,
type_T *actual,
argcontext_T *context)
{
// TODO: would be useful to know if "actual" is a constant and pass it to
// need_type() to get a compile time error if possible.
return need_type(actual, expected,
context->arg_idx - context->arg_count, context->arg_idx + 1,
context->arg_cctx, FALSE, FALSE);
}
/*
* Check "type" is a float or a number.
*/
static int
arg_float_or_nr(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_FLOAT || type->tt_type == VAR_NUMBER)
return OK;
arg_type_mismatch(&t_number, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a number.
*/
static int
arg_number(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_number, type, context);
}
/*
* Check "type" is a dict of 'any'.
*/
static int
arg_dict_any(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_dict_any, type, context);
}
/*
* Check "type" is a list of 'any'.
*/
static int
arg_list_any(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_list_any, type, context);
}
/*
* Check "type" is a list of numbers.
*/
static int
arg_list_number(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_list_number, type, context);
}
/*
* Check "type" is a list of strings.
*/
static int
arg_list_string(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_list_string, type, context);
}
/*
* Check "type" is a string.
*/
static int
arg_string(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_string, type, context);
}
/*
* Check "type" is a bool or number 0 or 1.
*/
static int
arg_bool(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_bool, type, context);
}
/*
* Check "type" is a list of 'any' or a blob.
*/
static int
arg_list_or_blob(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_LIST || type->tt_type == VAR_BLOB)
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a number
*/
static int
arg_string_or_nr(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING || type->tt_type == VAR_NUMBER)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a buffer (string or a number)
*/
static int
arg_buffer(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING || type->tt_type == VAR_NUMBER)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a buffer or a dict of any
*/
static int
arg_buffer_or_dict_any(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_DICT)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a line (string or a number)
*/
static int
arg_lnum(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING || type->tt_type == VAR_NUMBER)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a list of strings.
*/
static int
arg_string_or_list_string(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY || type->tt_type == VAR_STRING)
return OK;
if (type->tt_type != VAR_LIST)
{
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
if (type->tt_member->tt_type == VAR_ANY
|| type->tt_member->tt_type == VAR_STRING)
return OK;
arg_type_mismatch(&t_list_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a list of 'any'
*/
static int
arg_string_or_list_any(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING || type->tt_type == VAR_LIST)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a string or a blob
*/
static int
arg_string_or_blob(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING || type->tt_type == VAR_BLOB)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a list of 'any' or a dict of 'any'.
*/
static int
arg_list_or_dict(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_LIST || type->tt_type == VAR_DICT)
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a list of 'any' or a dict of 'any' or a blob.
*/
static int
arg_list_or_dict_or_blob(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type->tt_type == VAR_BLOB)
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a job.
*/
static int
arg_job(type_T *type, argcontext_T *context)
{
return check_arg_type(&t_job, type, context);
}
/*
* Check "type" is a channel or a job.
*/
static int
arg_chan_or_job(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_CHANNEL
|| type->tt_type == VAR_JOB)
return OK;
arg_type_mismatch(&t_channel, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is the same type as the previous argument.
* Must not be used for the first argcheck_T entry.
*/
static int
arg_same_as_prev(type_T *type, argcontext_T *context)
{
type_T *prev_type = context->arg_types[context->arg_idx - 1];
return check_arg_type(prev_type, type, context);
}
/*
* Check "type" is the same basic type as the previous argument, checks list or
* dict vs other type, but not member type.
* Must not be used for the first argcheck_T entry.
*/
static int
arg_same_struct_as_prev(type_T *type, argcontext_T *context)
{
type_T *prev_type = context->arg_types[context->arg_idx - 1];
if (prev_type->tt_type != context->arg_types[context->arg_idx]->tt_type)
return check_arg_type(prev_type, type, context);
return OK;
}
/*
* Check "type" is an item of the list or blob of the previous arg.
* Must not be used for the first argcheck_T entry.
*/
static int
arg_item_of_prev(type_T *type, argcontext_T *context)
{
type_T *prev_type = context->arg_types[context->arg_idx - 1];
type_T *expected;
if (prev_type->tt_type == VAR_LIST)
expected = prev_type->tt_member;
else if (prev_type->tt_type == VAR_BLOB)
expected = &t_number;
else
// probably VAR_ANY, can't check
return OK;
return check_arg_type(expected, type, context);
}
/*
* Check "type" is a string or a number or a list
*/
static int
arg_str_or_nr_or_list(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_LIST)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" is a dict of 'any' or a string
*/
static int
arg_dict_any_or_string(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_DICT
|| type->tt_type == VAR_STRING)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the third argument of extend() (number or string or
* any)
*/
static int
arg_extend3(type_T *type, argcontext_T *context)
{
type_T *first_type = context->arg_types[context->arg_idx - 2];
if (first_type->tt_type == VAR_LIST)
return arg_number(type, context);
if (first_type->tt_type == VAR_DICT)
return arg_string(type, context);
return OK;
}
/*
* Check "type" which is the first argument of get() (blob or list or dict or
* funcref)
*/
static int
arg_get1(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT
|| type->tt_type == VAR_FUNC
|| type->tt_type == VAR_PARTIAL)
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of len() (number or string or
* blob or list or dict)
*/
static int
arg_len1(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT)
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the second argument of remove() (number or string or
* any)
*/
static int
arg_remove2(type_T *type, argcontext_T *context)
{
type_T *first_type = context->arg_types[context->arg_idx - 1];
if (first_type->tt_type == VAR_LIST || first_type->tt_type == VAR_BLOB)
return arg_number(type, context);
if (first_type->tt_type == VAR_DICT)
return arg_string_or_nr(type, context);
return OK;
}
/*
* Check "type" which is the first argument of repeat() (string or number or
* list or any)
*/
static int
arg_repeat1(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_LIST)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of slice() (list or blob or string
* or any)
*/
static int
arg_slice1(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_BLOB
|| type->tt_type == VAR_STRING)
return OK;
arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of count() (string or list or dict
* or any)
*/
static int
arg_count1(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_STRING
|| type->tt_type == VAR_LIST
|| type->tt_type == VAR_DICT)
return OK;
arg_type_mismatch(&t_string, type, context->arg_idx + 1);
return FAIL;
}
/*
* Check "type" which is the first argument of cursor() (number or string or
* list or any)
*/
static int
arg_cursor1(type_T *type, argcontext_T *context)
{
if (type->tt_type == VAR_ANY
|| type->tt_type == VAR_NUMBER
|| type->tt_type == VAR_STRING
|| type->tt_type == VAR_LIST)
return OK;
arg_type_mismatch(&t_number, type, context->arg_idx + 1);
return FAIL;
}
/*
* Lists of functions that check the argument types of a builtin function.
*/
static argcheck_T arg1_bool[] = {arg_bool};
static argcheck_T arg1_buffer[] = {arg_buffer};
static argcheck_T arg1_buffer_or_dict_any[] = {arg_buffer_or_dict_any};
static argcheck_T arg1_chan_or_job[] = {arg_chan_or_job};
static argcheck_T arg1_dict_any[] = {arg_dict_any};
static argcheck_T arg1_dict_or_string[] = {arg_dict_any_or_string};
static argcheck_T arg1_float_or_nr[] = {arg_float_or_nr};
static argcheck_T arg1_job[] = {arg_job};
static argcheck_T arg1_list_any[] = {arg_list_any};
static argcheck_T arg1_list_number[] = {arg_list_number};
static argcheck_T arg1_list_or_blob[] = {arg_list_or_blob};
static argcheck_T arg1_list_or_dict[] = {arg_list_or_dict};
static argcheck_T arg1_list_string[] = {arg_list_string};
static argcheck_T arg1_lnum[] = {arg_lnum};
static argcheck_T arg1_number[] = {arg_number};
static argcheck_T arg1_string[] = {arg_string};
static argcheck_T arg1_string_or_list_any[] = {arg_string_or_list_any};
static argcheck_T arg1_string_or_list_string[] = {arg_string_or_list_string};
static argcheck_T arg1_string_or_nr[] = {arg_string_or_nr};
static argcheck_T arg2_any_buffer[] = {NULL, arg_buffer};
static argcheck_T arg2_buffer_any[] = {arg_buffer, NULL};
static argcheck_T arg2_buffer_bool[] = {arg_buffer, arg_bool};
static argcheck_T arg2_buffer_list_any[] = {arg_buffer, arg_list_any};
static argcheck_T arg2_buffer_lnum[] = {arg_buffer, arg_lnum};
static argcheck_T arg2_buffer_number[] = {arg_buffer, arg_number};
static argcheck_T arg2_buffer_string[] = {arg_buffer, arg_string};
static argcheck_T arg2_chan_or_job_dict[] = {arg_chan_or_job, arg_dict_any};
static argcheck_T arg2_chan_or_job_string[] = {arg_chan_or_job, arg_string};
static argcheck_T arg2_dict_any_string_or_nr[] = {arg_dict_any, arg_string_or_nr};
static argcheck_T arg2_dict_string[] = {arg_dict_any, arg_string};
static argcheck_T arg2_float_or_nr[] = {arg_float_or_nr, arg_float_or_nr};
static argcheck_T arg2_job_dict[] = {arg_job, arg_dict_any};
static argcheck_T arg2_job_string_or_number[] = {arg_job, arg_string_or_nr};
static argcheck_T arg2_list_any_number[] = {arg_list_any, arg_number};
static argcheck_T arg2_list_any_string[] = {arg_list_any, arg_string};
static argcheck_T arg2_list_number[] = {arg_list_number, arg_list_number};
static argcheck_T arg2_list_number_bool[] = {arg_list_number, arg_bool};
static argcheck_T arg2_listblob_item[] = {arg_list_or_blob, arg_item_of_prev};
static argcheck_T arg2_lnum[] = {arg_lnum, arg_lnum};
static argcheck_T arg2_lnum_number[] = {arg_lnum, arg_number};
static argcheck_T arg2_number[] = {arg_number, arg_number};
static argcheck_T arg2_number_any[] = {arg_number, NULL};
static argcheck_T arg2_number_bool[] = {arg_number, arg_bool};
static argcheck_T arg2_number_dict_any[] = {arg_number, arg_dict_any};
static argcheck_T arg2_number_list[] = {arg_number, arg_list_any};
static argcheck_T arg2_number_string[] = {arg_number, arg_string};
static argcheck_T arg2_number_string_or_list[] = {arg_number, arg_string_or_list_any};
static argcheck_T arg2_str_or_nr_or_list_dict[] = {arg_str_or_nr_or_list, arg_dict_any};
static argcheck_T arg2_string[] = {arg_string, arg_string};
static argcheck_T arg2_string_any[] = {arg_string, NULL};
static argcheck_T arg2_string_bool[] = {arg_string, arg_bool};
static argcheck_T arg2_string_chan_or_job[] = {arg_string, arg_chan_or_job};
static argcheck_T arg2_string_dict[] = {arg_string, arg_dict_any};
static argcheck_T arg2_string_list_number[] = {arg_string, arg_list_number};
static argcheck_T arg2_string_number[] = {arg_string, arg_number};
static argcheck_T arg2_string_or_list_dict[] = {arg_string_or_list_any, arg_dict_any};
static argcheck_T arg2_string_string_or_number[] = {arg_string, arg_string_or_nr};
static argcheck_T arg3_any_list_dict[] = {NULL, arg_list_any, arg_dict_any};
static argcheck_T arg3_buffer_lnum_lnum[] = {arg_buffer, arg_lnum, arg_lnum};
static argcheck_T arg3_buffer_number_number[] = {arg_buffer, arg_number, arg_number};
static argcheck_T arg3_buffer_string_any[] = {arg_buffer, arg_string, NULL};
static argcheck_T arg3_buffer_string_dict[] = {arg_buffer, arg_string, arg_dict_any};
static argcheck_T arg3_dict_number_number[] = {arg_dict_any, arg_number, arg_number};
static argcheck_T arg3_list_string_dict[] = {arg_list_any, arg_string, arg_dict_any};
static argcheck_T arg3_lnum_number_bool[] = {arg_lnum, arg_number, arg_bool};
static argcheck_T arg3_number[] = {arg_number, arg_number, arg_number};
static argcheck_T arg3_number_any_dict[] = {arg_number, NULL, arg_dict_any};
static argcheck_T arg3_number_number_dict[] = {arg_number, arg_number, arg_dict_any};
static argcheck_T arg3_number_string_any[] = {arg_number, arg_string, NULL};
static argcheck_T arg3_number_string_buffer[] = {arg_number, arg_string, arg_buffer};
static argcheck_T arg3_number_string_string[] = {arg_number, arg_string, arg_string};
static argcheck_T arg3_string[] = {arg_string, arg_string, arg_string};
static argcheck_T arg3_string_any_dict[] = {arg_string, NULL, arg_dict_any};
static argcheck_T arg3_string_any_string[] = {arg_string, NULL, arg_string};
static argcheck_T arg3_string_bool_bool[] = {arg_string, arg_bool, arg_bool};
static argcheck_T arg3_string_bool_dict[] = {arg_string, arg_bool, arg_dict_any};
static argcheck_T arg3_string_number_bool[] = {arg_string, arg_number, arg_bool};
static argcheck_T arg3_string_number_number[] = {arg_string, arg_number, arg_number};
static argcheck_T arg3_string_string_bool[] = {arg_string, arg_string, arg_bool};
static argcheck_T arg3_string_string_dict[] = {arg_string, arg_string, arg_dict_any};
static argcheck_T arg3_string_string_number[] = {arg_string, arg_string, arg_number};
static argcheck_T arg4_list_number_number_number[] = {arg_list_string, arg_number, arg_number, arg_number};
static argcheck_T arg4_number_number_string_any[] = {arg_number, arg_number, arg_string, NULL};
static argcheck_T arg4_string_string_any_string[] = {arg_string, arg_string, NULL, arg_string};
static argcheck_T arg4_string_string_number_string[] = {arg_string, arg_string, arg_number, arg_string};
static argcheck_T arg5_number[] = {arg_number, arg_number, arg_number, arg_number, arg_number};
/* Function specific argument types (not covered by the above) */
static argcheck_T arg15_assert_fails[] = {arg_string_or_nr, arg_string_or_list_any, NULL, arg_number, arg_string};
static argcheck_T arg34_assert_inrange[] = {arg_float_or_nr, arg_float_or_nr, arg_float_or_nr, arg_string};
static argcheck_T arg4_browse[] = {arg_bool, arg_string, arg_string, arg_string};
static argcheck_T arg23_chanexpr[] = {arg_chan_or_job, NULL, arg_dict_any};
static argcheck_T arg23_chanraw[] = {arg_chan_or_job, arg_string_or_blob, arg_dict_any};
static argcheck_T arg24_count[] = {arg_count1, NULL, arg_bool, arg_number};
static argcheck_T arg13_cursor[] = {arg_cursor1, arg_number, arg_number};
static argcheck_T arg12_deepcopy[] = {NULL, arg_bool};
static argcheck_T arg12_execute[] = {arg_string_or_list_string, arg_string};
static argcheck_T arg23_extend[] = {arg_list_or_dict, arg_same_as_prev, arg_extend3};
static argcheck_T arg23_extendnew[] = {arg_list_or_dict, arg_same_struct_as_prev, arg_extend3};
static argcheck_T arg23_get[] = {arg_get1, arg_string_or_nr, NULL};
static argcheck_T arg14_glob[] = {arg_string, arg_bool, arg_bool, arg_bool};
static argcheck_T arg25_globpath[] = {arg_string, arg_string, arg_bool, arg_bool, arg_bool};
static argcheck_T arg24_index[] = {arg_list_or_blob, arg_item_of_prev, arg_number, arg_bool};
static argcheck_T arg23_insert[] = {arg_list_or_blob, arg_item_of_prev, arg_number};
static argcheck_T arg1_len[] = {arg_len1};
static argcheck_T arg3_libcall[] = {arg_string, arg_string, arg_string_or_nr};
static argcheck_T arg14_maparg[] = {arg_string, arg_string, arg_bool, arg_bool};
static argcheck_T arg2_mapfilter[] = {arg_list_or_dict_or_blob, NULL};
static argcheck_T arg25_matchadd[] = {arg_string, arg_string, arg_number, arg_number, arg_dict_any};
static argcheck_T arg25_matchaddpos[] = {arg_string, arg_list_any, arg_number, arg_number, arg_dict_any};
static argcheck_T arg119_printf[] = {arg_string_or_nr, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
static argcheck_T arg23_reduce[] = {arg_list_or_blob, NULL, NULL};
static argcheck_T arg24_remote_expr[] = {arg_string, arg_string, arg_string, arg_number};
static argcheck_T arg23_remove[] = {arg_list_or_dict_or_blob, arg_remove2, arg_number};
static argcheck_T arg2_repeat[] = {arg_repeat1, arg_number};
static argcheck_T arg15_search[] = {arg_string, arg_string, arg_number, arg_number, NULL};
static argcheck_T arg37_searchpair[] = {arg_string, arg_string, arg_string, arg_string, NULL, arg_number, arg_number};
static argcheck_T arg3_setbufline[] = {arg_buffer, arg_lnum, arg_str_or_nr_or_list};
static argcheck_T arg2_setline[] = {arg_lnum, NULL};
static argcheck_T arg24_setloclist[] = {arg_number, arg_list_any, arg_string, arg_dict_any};
static argcheck_T arg13_setqflist[] = {arg_list_any, arg_string, arg_dict_any};
static argcheck_T arg23_settagstack[] = {arg_number, arg_dict_any, arg_string};
static argcheck_T arg02_sign_getplaced[] = {arg_buffer, arg_dict_any};
static argcheck_T arg45_sign_place[] = {arg_number, arg_string, arg_string, arg_buffer, arg_dict_any};
static argcheck_T arg23_slice[] = {arg_slice1, arg_number, arg_number};
static argcheck_T arg13_sortuniq[] = {arg_list_any, NULL, arg_dict_any};
static argcheck_T arg24_strpart[] = {arg_string, arg_number, arg_number, arg_bool};
static argcheck_T arg12_system[] = {arg_string, arg_str_or_nr_or_list};
static argcheck_T arg23_win_execute[] = {arg_number, arg_string_or_list_string, arg_string};
static argcheck_T arg23_writefile[] = {arg_list_or_blob, arg_string, arg_string};
static argcheck_T arg24_match_func[] = {arg_string_or_list_any, arg_string, arg_number, arg_number};
/*
* Functions that return the return type of a builtin function.
* Note that "argtypes" is NULL if "argcount" is zero.
*/
static type_T *
ret_void(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_void;
}
static type_T *
ret_any(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_any;
}
static type_T *
ret_bool(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_bool;
}
static type_T *
ret_number_bool(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_number_bool;
}
static type_T *
ret_number(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_number;
}
static type_T *
ret_float(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_float;
}
static type_T *
ret_string(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_string;
}
static type_T *
ret_list_any(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_list_any;
}
static type_T *
ret_list_number(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_list_number;
}
static type_T *
ret_list_string(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_list_string;
}
static type_T *
ret_list_dict_any(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_list_dict_any;
}
static type_T *
ret_list_items(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_list_list_any;
}
static type_T *
ret_list_string_items(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_list_list_string;
}
static type_T *
ret_dict_any(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_dict_any;
}
static type_T *
ret_job_info(int argcount, type_T **argtypes UNUSED)
{
if (argcount == 0)
return &t_list_job;
return &t_dict_any;
}
static type_T *
ret_dict_number(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_dict_number;
}
static type_T *
ret_dict_string(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_dict_string;
}
static type_T *
ret_blob(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_blob;
}
static type_T *
ret_func_any(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_func_any;
}
static type_T *
ret_channel(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_channel;
}
static type_T *
ret_job(int argcount UNUSED, type_T **argtypes UNUSED)
{
return &t_job;
}
static type_T *
ret_first_arg(int argcount, type_T **argtypes)
{
if (argcount > 0)
return argtypes[0];
return &t_void;
}
static type_T *
ret_repeat(int argcount, type_T **argtypes)
{
if (argcount == 0)
return &t_any;
if (argtypes[0] == &t_number)
return &t_string;
return argtypes[0];
}
// for map(): returns first argument but item type may differ
static type_T *
ret_first_cont(int argcount, type_T **argtypes)
{
if (argcount > 0)
{
if (argtypes[0]->tt_type == VAR_LIST)
return &t_list_any;
if (argtypes[0]->tt_type == VAR_DICT)
return &t_dict_any;
if (argtypes[0]->tt_type == VAR_BLOB)
return argtypes[0];
}
return &t_any;
}
/*
* Used for getqflist(): returns list if there is no argument, dict if there is
* one.
*/
static type_T *
ret_list_or_dict_0(int argcount, type_T **argtypes UNUSED)
{
if (argcount > 0)
return &t_dict_any;
return &t_list_dict_any;
}
/*
* Used for getloclist(): returns list if there is one argument, dict if there
* are two.
*/
static type_T *
ret_list_or_dict_1(int argcount, type_T **argtypes UNUSED)
{
if (argcount > 1)
return &t_dict_any;
return &t_list_dict_any;
}
static type_T *
ret_argv(int argcount, type_T **argtypes UNUSED)
{
// argv() returns list of strings
if (argcount == 0)
return &t_list_string;
// argv(0) returns a string, but argv(-1] returns a list
return &t_any;
}
static type_T *
ret_remove(int argcount, type_T **argtypes)
{
if (argcount > 0)
{
if (argtypes[0]->tt_type == VAR_LIST
|| argtypes[0]->tt_type == VAR_DICT)
return argtypes[0]->tt_member;