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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 08:50:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 08:50:31 +0000
commitaed8ce9da277f5ecffe968b324f242c41c3b752a (patch)
treed2e538394cb7a8a7c42a4aac6ccf1a8e3256999b /src/evalfunc.c
parentInitial commit. (diff)
downloadvim-aed8ce9da277f5ecffe968b324f242c41c3b752a.tar.xz
vim-aed8ce9da277f5ecffe968b324f242c41c3b752a.zip
Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/evalfunc.c')
-rw-r--r--src/evalfunc.c10805
1 files changed, 10805 insertions, 0 deletions
diff --git a/src/evalfunc.c b/src/evalfunc.c
new file mode 100644
index 0000000..1dc723f
--- /dev/null
+++ b/src/evalfunc.c
@@ -0,0 +1,10805 @@
+/* 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_exists_compiled(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_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_indexof(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_keytrans(typval_T *argvars, typval_T *rettv);
+static void f_last_buffer_nr(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_swapfilelist(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
+ type2_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 *, 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)
+{
+ return need_type(actual, expected, FALSE,
+ context->arg_idx - context->arg_count, context->arg_idx + 1,
+ context->arg_cctx, FALSE, FALSE);
+}
+
+/*
+ * Call need_type() to check an argument type and that it is modifiable
+ */
+ static int
+check_arg_type_mod(
+ type_T *expected,
+ type_T *actual,
+ argcontext_T *context)
+{
+ if (need_type(actual, expected, FALSE,
+ context->arg_idx - context->arg_count, context->arg_idx + 1,
+ context->arg_cctx, FALSE, FALSE) == FAIL)
+ return FAIL;
+ return arg_type_modifiable(actual, context->arg_idx + 1);
+}
+
+/*
+ * Give an error if "type" is a constant.
+ */
+ int
+arg_type_modifiable(type_T *type, int arg_idx)
+{
+ char *tofree;
+
+ if ((type->tt_flags & TTFLAG_CONST) == 0)
+ return OK;
+ semsg(_(e_argument_nr_trying_to_modify_const_str),
+ arg_idx, type_name(type, &tofree));
+ vim_free(tofree);
+ return FAIL;
+}
+
+/*
+ * Check "type" is a float or a number.
+ */
+ static int
+arg_float_or_nr(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_FLOAT
+ || type->tt_type == VAR_NUMBER
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, 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, type_T *decl_type UNUSED, 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ return check_arg_type(&t_list_any, type, context);
+}
+
+/*
+ * Check "type" is a list of 'any' and modifiable
+ */
+ static int
+arg_list_any_mod(
+ type_T *type,
+ type_T *decl_type UNUSED,
+ argcontext_T *context)
+{
+ return check_arg_type_mod(&t_list_any, type, context);
+}
+
+/*
+ * Check "type" is a list of numbers.
+ */
+ static int
+arg_list_number(type_T *type, type_T *decl_type UNUSED, 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ return check_arg_type(&t_list_string, type, context);
+}
+
+/*
+ * Check "type" is a string.
+ */
+ static int
+arg_string(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ return check_arg_type(&t_string, type, context);
+}
+
+/*
+ * Check "type" is a blob
+ */
+ static int
+arg_blob(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ return check_arg_type(&t_blob, type, context);
+}
+
+/*
+ * Check "type" is a bool or number 0 or 1.
+ */
+ static int
+arg_bool(type_T *type, type_T *decl_type UNUSED, 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_LIST
+ || type->tt_type == VAR_BLOB
+ || type_any_or_unknown(type))
+ return OK;
+ arg_type_mismatch(&t_list_any, type, context->arg_idx + 1);
+ return FAIL;
+}
+
+/*
+ * Check "type" is a modifiable list of 'any' or a blob.
+ */
+ static int
+arg_list_or_blob_mod(
+ type_T *type,
+ type_T *decl_type,
+ argcontext_T *context)
+{
+ if (arg_list_or_blob(type, decl_type, context) == FAIL)
+ return FAIL;
+ return arg_type_modifiable(type, context->arg_idx + 1);
+}
+
+/*
+ * Check "type" is a string or a number
+ */
+ static int
+arg_string_or_nr(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_NUMBER
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_NUMBER
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_NUMBER
+ || type->tt_type == VAR_DICT
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_NUMBER
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_LIST
+ || type_any_or_unknown(type))
+ return OK;
+ arg_type_mismatch(&t_string, type, context->arg_idx + 1);
+ return FAIL;
+}
+
+/*
+ * Check "type" is a string or a dict of 'any'
+ */
+ static int
+arg_string_or_dict_any(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_DICT
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_BLOB
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_LIST
+ || type->tt_type == VAR_DICT
+ || type_any_or_unknown(type))
+ 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'. And modifiable.
+ */
+ static int
+arg_list_or_dict_mod(
+ type_T *type,
+ type_T *decl_type,
+ argcontext_T *context)
+{
+ if (arg_list_or_dict(type, decl_type, context) == FAIL)
+ return FAIL;
+ return arg_type_modifiable(type, context->arg_idx + 1);
+}
+
+/*
+ * Check "type" is a list of 'any' or a dict of 'any' or a blob.
+ * Also check if "type" is modifiable.
+ */
+ static int
+arg_list_or_dict_or_blob_mod(
+ type_T *type,
+ type_T *decl_type UNUSED,
+ argcontext_T *context)
+{
+ if (type->tt_type == VAR_LIST
+ || type->tt_type == VAR_DICT
+ || type->tt_type == VAR_BLOB
+ || type_any_or_unknown(type))
+ return arg_type_modifiable(type, context->arg_idx + 1);
+ 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 or a string.
+ */
+ static int
+arg_list_or_dict_or_blob_or_string(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_LIST
+ || type->tt_type == VAR_DICT
+ || type->tt_type == VAR_BLOB
+ || type->tt_type == VAR_STRING
+ || type_any_or_unknown(type))
+ 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 or a string.
+ * Also check the value is modifiable.
+ */
+ static int
+arg_list_or_dict_or_blob_or_string_mod(
+ type_T *type,
+ type_T *decl_type,
+ argcontext_T *context)
+{
+ if (arg_list_or_dict_or_blob_or_string(type, decl_type, context) == FAIL)
+ return FAIL;
+ return arg_type_modifiable(type, context->arg_idx + 1);
+}
+
+/*
+ * Check second argument of map() or filter().
+ */
+ static int
+check_map_filter_arg2(type_T *type, argcontext_T *context, int is_map)
+{
+ type_T *expected_member = NULL;
+ type_T *(args[2]);
+ type_T t_func_exp = {VAR_FUNC, 2, 0, 0, NULL, NULL, args};
+
+ if (context->arg_types[0].type_curr->tt_type == VAR_LIST
+ || context->arg_types[0].type_curr->tt_type == VAR_DICT)
+ {
+ // Use the declared type if possible, so that an error is given if
+ // a declared list changes type, but not if a constant list changes
+ // type.
+ if (context->arg_types[0].type_decl->tt_type == VAR_LIST
+ || context->arg_types[0].type_decl->tt_type == VAR_DICT)
+ expected_member = context->arg_types[0].type_decl->tt_member;
+ else
+ expected_member = context->arg_types[0].type_curr->tt_member;
+ }
+ else if (context->arg_types[0].type_curr->tt_type == VAR_STRING)
+ expected_member = &t_string;
+ else if (context->arg_types[0].type_curr->tt_type == VAR_BLOB)
+ expected_member = &t_number;
+
+ args[0] = NULL;
+ args[1] = &t_unknown;
+ if (type->tt_argcount != -1)
+ {
+ if (!(type->tt_argcount == 2 || (type->tt_argcount == 1
+ && (type->tt_flags & TTFLAG_VARARGS))))
+ {
+ emsg(_(e_invalid_number_of_arguments));
+ return FAIL;
+ }
+ if (type->tt_flags & TTFLAG_VARARGS)
+ // check the argument types at runtime
+ t_func_exp.tt_argcount = -1;
+ else
+ {
+ if (context->arg_types[0].type_curr->tt_type == VAR_STRING
+ || context->arg_types[0].type_curr->tt_type == VAR_BLOB
+ || context->arg_types[0].type_curr->tt_type == VAR_LIST)
+ args[0] = &t_number;
+ else if (context->arg_types[0].type_decl->tt_type == VAR_DICT)
+ args[0] = &t_string;
+ if (args[0] != NULL)
+ args[1] = expected_member;
+ }
+ }
+
+ if (!type_any_or_unknown(type->tt_member) || args[0] != NULL)
+ {
+ where_T where = WHERE_INIT;
+
+ if (is_map)
+ t_func_exp.tt_member = expected_member == NULL
+ || type_any_or_unknown(type->tt_member)
+ ? &t_any : expected_member;
+ else
+ t_func_exp.tt_member = &t_bool;
+ if (args[0] == NULL)
+ args[0] = &t_unknown;
+ if (type->tt_argcount == -1)
+ t_func_exp.tt_argcount = -1;
+
+ where.wt_index = 2;
+ return check_type(&t_func_exp, type, TRUE, where);
+ }
+ return OK;
+}
+
+/*
+ * Check second argument of filter(): func must return a bool.
+ */
+ static int
+arg_filter_func(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_PARTIAL
+ || type_any_or_unknown(type))
+ return OK;
+
+ if (type->tt_type == VAR_FUNC)
+ return check_map_filter_arg2(type, context, FALSE);
+ semsg(_(e_string_or_function_required_for_argument_nr), 2);
+ return FAIL;
+}
+
+/*
+ * Check second argument of map(), the function.
+ */
+ static int
+arg_map_func(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_PARTIAL
+ || type_any_or_unknown(type))
+ return OK;
+
+ if (type->tt_type == VAR_FUNC)
+ return check_map_filter_arg2(type, context, TRUE);
+ semsg(_(e_string_or_function_required_for_argument_nr), 2);
+ return FAIL;
+}
+
+/*
+ * Check second argument of sort() and uniq(), the "how" argument.
+ */
+ static int
+arg_sort_how(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_PARTIAL
+ || type_any_or_unknown(type))
+ return OK;
+
+ if (type->tt_type == VAR_FUNC)
+ {
+ type_T *(args[2]);
+ type_T t_func_exp = {VAR_FUNC, 2, 0, 0, &t_number, NULL, args};
+
+ if (context->arg_types[0].type_curr->tt_type == VAR_LIST)
+ args[0] = context->arg_types[0].type_curr->tt_member;
+ else
+ args[0] = &t_unknown;
+ if (!type_any_or_unknown(type->tt_member) || args[0] != &t_unknown)
+ {
+ where_T where = WHERE_INIT;
+
+ args[1] = args[0];
+ if (type->tt_argcount == -1)
+ t_func_exp.tt_argcount = -1;
+ where.wt_index = 2;
+ return check_type(&t_func_exp, type, TRUE, where);
+ }
+
+ return OK;
+ }
+ semsg(_(e_string_or_function_required_for_argument_nr), 2);
+ return FAIL;
+}
+
+/*
+ * Check an expression argument, can be a string, funcref or partial.
+ * Also accept a bool, a constant resulting from compiling a string argument.
+ * Also accept a number, one and zero are accepted.
+ */
+ static int
+arg_string_or_func(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_PARTIAL
+ || type->tt_type == VAR_FUNC
+ || type->tt_type == VAR_BOOL
+ || type->tt_type == VAR_NUMBER
+ || type_any_or_unknown(type))
+ return OK;
+ arg_type_mismatch(&t_func_any, type, context->arg_idx + 1);
+ return FAIL;
+}
+
+/*
+ * Check "type" is a list of 'any' or a blob or a string.
+ */
+ static int
+arg_string_list_or_blob(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_LIST
+ || type->tt_type == VAR_BLOB
+ || type->tt_type == VAR_STRING
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_CHANNEL
+ || type->tt_type == VAR_JOB
+ || type_any_or_unknown(type))
+ return OK;
+ arg_type_mismatch(&t_channel, type, context->arg_idx + 1);
+ return FAIL;
+}
+
+/*
+ * Check "type" can be used as the type_decl of the previous argument.
+ * Must not be used for the first argcheck_T entry.
+ */
+ static int
+arg_same_as_prev(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ type_T *prev_type = context->arg_types[context->arg_idx - 1].type_decl;
+
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ type_T *prev_type = context->arg_types[context->arg_idx - 1].type_curr;
+
+ if (prev_type->tt_type != context->arg_types[context->arg_idx].type_curr->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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ type_T *prev_type = context->arg_types[context->arg_idx - 1].type_curr;
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_NUMBER
+ || type->tt_type == VAR_LIST
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_DICT
+ || type->tt_type == VAR_STRING
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type, argcontext_T *context)
+{
+ type_T *first_type = context->arg_types[context->arg_idx - 2].type_curr;
+
+ if (first_type->tt_type == VAR_LIST)
+ return arg_number(type, decl_type, context);
+ if (first_type->tt_type == VAR_DICT)
+ return arg_string(type, decl_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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (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
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (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
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type, argcontext_T *context)
+{
+ type_T *first_type = context->arg_types[context->arg_idx - 1].type_curr;
+
+ if (first_type->tt_type == VAR_LIST || first_type->tt_type == VAR_BLOB)
+ return arg_number(type, decl_type, context);
+ if (first_type->tt_type == VAR_DICT)
+ return arg_string_or_nr(type, decl_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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_NUMBER
+ || type->tt_type == VAR_BLOB
+ || type->tt_type == VAR_LIST
+ || type_any_or_unknown(type))
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_LIST
+ || type->tt_type == VAR_BLOB
+ || type->tt_type == VAR_STRING
+ || type_any_or_unknown(type))
+ 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_string_or_list_or_dict(type_T *type, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_STRING
+ || type->tt_type == VAR_LIST
+ || type->tt_type == VAR_DICT
+ || type_any_or_unknown(type))
+ return OK;
+
+ semsg(_(e_string_list_or_dict_required_for_argument_nr),
+ 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, type_T *decl_type UNUSED, argcontext_T *context)
+{
+ if (type->tt_type == VAR_NUMBER
+ || type->tt_type == VAR_STRING
+ || type->tt_type == VAR_LIST
+ || type_any_or_unknown(type))
+ 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_blob[] = {arg_blob};
+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_mod[] = {arg_list_or_blob_mod};
+static argcheck_T arg1_list_or_dict[] = {arg_list_or_dict};
+static argcheck_T arg1_list_string[] = {arg_list_string};
+static argcheck_T arg1_string_or_list_or_dict[] = {arg_string_or_list_or_dict};
+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_list_any[] = {arg_dict_any, arg_list_any};
+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_listblobmod_item[] = {arg_list_or_blob_mod, 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_or_list_bool[] = {arg_string_or_list_any, arg_bool};
+static argcheck_T arg2_string_or_list_number[] = {arg_string_or_list_any, arg_number};
+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_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_or_dict_bool_dict[] = {arg_string_or_dict_any, arg_bool, arg_dict_any};
+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_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};
+/* 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_string_or_list_or_dict, 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_mod, 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_index[] = {arg_list_or_blob, arg_filter_func, arg_dict_any};
+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_filter[] = {arg_list_or_dict_or_blob_or_string_mod, arg_filter_func};
+static argcheck_T arg2_map[] = {arg_list_or_dict_or_blob_or_string_mod, arg_map_func};
+static argcheck_T arg2_mapnew[] = {arg_list_or_dict_or_blob_or_string, 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_string_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_mod, 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, arg_string_or_func};
+static argcheck_T arg37_searchpair[] = {arg_string, arg_string, arg_string, arg_string, arg_string_or_func, 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_mod, arg_sort_how, 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};
+
+// Can be used by functions called through "f_retfunc" to create new types.
+static garray_T *current_type_gap = NULL;
+
+/*
+ * 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,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_void;
+}
+ static type_T *
+ret_any(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_any;
+}
+ static type_T *
+ret_bool(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_bool;
+}
+ static type_T *
+ret_number_bool(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_number_bool;
+}
+ static type_T *
+ret_number(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_number;
+}
+ static type_T *
+ret_float(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_float;
+}
+ static type_T *
+ret_string(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_string;
+}
+ static type_T *
+ret_list_any(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_list_any;
+}
+ static type_T *
+ret_list_number(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ *decl_type = &t_list_any;
+ return &t_list_number;
+}
+ static type_T *
+ret_list_string(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ *decl_type = &t_list_any;
+ return &t_list_string;
+}
+ static type_T *
+ret_list_dict_any(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ *decl_type = &t_list_any;
+ return &t_list_dict_any;
+}
+ static type_T *
+ret_list_items(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ *decl_type = &t_list_any;
+ return &t_list_list_any;
+}
+
+ static type_T *
+ret_list_string_items(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ *decl_type = &t_list_any;
+ return &t_list_list_string;
+}
+ static type_T *
+ret_dict_any(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_dict_any;
+}
+ static type_T *
+ret_job_info(int argcount,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ if (argcount == 0)
+ {
+ *decl_type = &t_list_any;
+ return &t_list_job;
+ }
+ return &t_dict_any;
+}
+ static type_T *
+ret_dict_number(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_dict_number;
+}
+ static type_T *
+ret_dict_string(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_dict_string;
+}
+ static type_T *
+ret_blob(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_blob;
+}
+ static type_T *
+ret_func_any(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_func_any;
+}
+ static type_T *
+ret_func_unknown(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_func_unknown;
+}
+ static type_T *
+ret_channel(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_channel;
+}
+ static type_T *
+ret_job(int argcount UNUSED,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ return &t_job;
+}
+ static type_T *
+ret_first_arg(int argcount,
+ type2_T *argtypes,
+ type_T **decl_type)
+{
+ if (argcount > 0)
+ {
+ *decl_type = argtypes[0].type_decl;
+ return argtypes[0].type_curr;
+ }
+ return &t_void;
+}
+ static type_T *
+ret_slice(int argcount,
+ type2_T *argtypes,
+ type_T **decl_type)
+{
+ if (argcount > 0)
+ {
+ if (argtypes[0].type_decl != NULL)
+ {
+ switch (argtypes[0].type_decl->tt_type)
+ {
+ case VAR_STRING: *decl_type = &t_string; break;
+ case VAR_BLOB: *decl_type = &t_blob; break;
+ case VAR_LIST: *decl_type = &t_list_any; break;
+ default: break;
+ }
+ }
+ return argtypes[0].type_curr;
+ }
+ return &t_void;
+}
+ static type_T *
+ret_copy(int argcount,
+ type2_T *argtypes,
+ type_T **decl_type)
+{
+ if (argcount > 0)
+ {
+ if (argtypes[0].type_decl != NULL)
+ {
+ if (argtypes[0].type_decl->tt_type == VAR_LIST)
+ *decl_type = &t_list_any;
+ else if (argtypes[0].type_decl->tt_type == VAR_DICT)
+ *decl_type = &t_dict_any;
+ else
+ *decl_type = argtypes[0].type_decl;
+ }
+ if (argtypes[0].type_curr != NULL)
+ {
+ if (argtypes[0].type_curr->tt_type == VAR_LIST)
+ return &t_list_any;
+ else if (argtypes[0].type_curr->tt_type == VAR_DICT)
+ return &t_dict_any;
+ }
+ return argtypes[0].type_curr;
+ }
+ return &t_void;
+}
+ static type_T *
+ret_extend(int argcount,
+ type2_T *argtypes,
+ type_T **decl_type)
+{
+ if (argcount > 0)
+ {
+ *decl_type = argtypes[0].type_decl;
+ // if the second argument has a different current type then the current
+ // type is "any"
+ if (argcount > 1 && !equal_type(argtypes[0].type_curr,
+ argtypes[1].type_curr, 0))
+ {
+ if (argtypes[0].type_curr->tt_type == VAR_LIST)
+ return &t_list_any;
+ if (argtypes[0].type_curr->tt_type == VAR_DICT)
+ return &t_dict_any;
+ }
+ return argtypes[0].type_curr;
+ }
+ return &t_void;
+}
+ static type_T *
+ret_repeat(int argcount,
+ type2_T *argtypes,
+ type_T **decl_type UNUSED)
+{
+ if (argcount == 0)
+ return &t_any;
+ if (argtypes[0].type_curr == &t_number)
+ return &t_string;
+ return argtypes[0].type_curr;
+}
+// for map(): returns first argument but item type may differ
+ static type_T *
+ret_first_cont(int argcount,
+ type2_T *argtypes,
+ type_T **decl_type UNUSED)
+{
+ if (argcount > 0)
+ {
+ if (argtypes[0].type_curr->tt_type == VAR_LIST)
+ return &t_list_any;
+ if (argtypes[0].type_curr->tt_type == VAR_DICT)
+ return &t_dict_any;
+ if (argtypes[0].type_curr->tt_type == VAR_BLOB)
+ return argtypes[0].type_curr;
+ }
+ return &t_any;
+}
+// for getline()
+ static type_T *
+ret_getline(int argcount,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ if (argcount == 1)
+ return &t_string;
+ *decl_type = &t_list_any;
+ return &t_list_string;
+}
+// for finddir()
+ static type_T *
+ret_finddir(int argcount,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ if (argcount < 3)
+ return &t_string;
+ // Depending on the count would be a string or a list of strings.
+ return &t_any;
+}
+// for values(): list of member of first argument
+ static type_T *
+ret_list_member(int argcount,
+ type2_T *argtypes,
+ type_T **decl_type)
+{
+ if (argcount > 0)
+ {
+ type_T *t = argtypes[0].type_decl;
+ if (current_type_gap != NULL
+ && (t->tt_type == VAR_DICT || t->tt_type == VAR_LIST))
+ t = get_list_type(t->tt_member, current_type_gap);
+ else
+ t = &t_list_any;
+ *decl_type = t;
+
+ t = argtypes[0].type_curr;
+ if (current_type_gap != NULL
+ && (t->tt_type == VAR_DICT || t->tt_type == VAR_LIST))
+ return get_list_type(t->tt_member, current_type_gap);
+ }
+ return &t_list_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,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ if (argcount > 0)
+ return &t_dict_any;
+ *decl_type = &t_list_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,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ if (argcount > 1)
+ return &t_dict_any;
+ *decl_type = &t_list_any;
+ return &t_list_dict_any;
+}
+
+ static type_T *
+ret_argv(int argcount,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ // argv() returns list of strings
+ if (argcount == 0)
+ {
+ *decl_type = &t_list_any;
+ 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,
+ type2_T *argtypes,
+ type_T **decl_type)
+{
+ if (argcount > 0)
+ {
+ if (argtypes[0].type_curr->tt_type == VAR_LIST
+ || argtypes[0].type_curr->tt_type == VAR_DICT)
+ {
+ if (argcount == 3)
+ {
+ *decl_type = argtypes[0].type_decl;
+ return argtypes[0].type_curr;
+ }
+ if (argtypes[0].type_curr->tt_type
+ == argtypes[0].type_decl->tt_type)
+ *decl_type = argtypes[0].type_decl->tt_member;
+ return argtypes[0].type_curr->tt_member;
+ }
+ if (argtypes[0].type_curr->tt_type == VAR_BLOB)
+ return &t_number;
+ }
+ return &t_any;
+}
+
+ static type_T *
+ret_getreg(int argcount,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ // Assume that if the third argument is passed it's non-zero
+ if (argcount == 3)
+ {
+ *decl_type = &t_list_any;
+ return &t_list_string;
+ }
+ return &t_string;
+}
+
+ static type_T *
+ret_virtcol(int argcount,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type)
+{
+ // Assume that if the second argument is passed it's non-zero
+ if (argcount == 2)
+ {
+ *decl_type = &t_list_any;
+ return &t_list_number;
+ }
+ return &t_number;
+}
+
+ static type_T *
+ret_maparg(int argcount,
+ type2_T *argtypes UNUSED,
+ type_T **decl_type UNUSED)
+{
+ // Assume that if the fourth argument is passed it's non-zero
+ if (argcount == 4)
+ return &t_dict_any;
+ return &t_string;
+}
+
+/*
+ * Array with names and number of arguments of all internal functions
+ * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH!
+ */
+typedef struct
+{
+ char *f_name; // function name
+ char f_min_argc; // minimal number of arguments
+ char f_max_argc; // maximal number of arguments
+ char f_argtype; // for method: FEARG_ values
+ argcheck_T *f_argcheck; // list of functions to check argument types
+ type_T *(*f_retfunc)(int argcount, type2_T *argtypes,
+ type_T **decl_type);
+ // return type function
+ void (*f_func)(typval_T *args, typval_T *rvar);
+ // implementation of function
+} funcentry_T;
+
+// values for f_argtype; zero means it cannot be used as a method
+#define FEARG_1 1 // base is the first argument
+#define FEARG_2 2 // base is the second argument
+#define FEARG_3 3 // base is the third argument
+#define FEARG_4 4 // base is the fourth argument
+
+#if defined(HAVE_MATH_H)
+# define MATH_FUNC(name) name
+#else
+# define MATH_FUNC(name) NULL
+#endif
+#ifdef FEAT_TIMERS
+# define TIMER_FUNC(name) name
+#else
+# define TIMER_FUNC(name) NULL
+#endif
+#ifdef FEAT_JOB_CHANNEL
+# define JOB_FUNC(name) name
+#else
+# define JOB_FUNC(name) NULL
+#endif
+#ifdef FEAT_PROP_POPUP
+# define PROP_FUNC(name) name
+#else
+# define PROP_FUNC(name) NULL
+#endif
+#ifdef FEAT_SIGNS
+# define SIGN_FUNC(name) name
+#else
+# define SIGN_FUNC(name) NULL
+#endif
+#ifdef FEAT_SOUND
+# define SOUND_FUNC(name) name
+#else
+# define SOUND_FUNC(name) NULL
+#endif
+#ifdef FEAT_TERMINAL
+# define TERM_FUNC(name) name
+#else
+# define TERM_FUNC(name) NULL
+#endif
+
+static funcentry_T global_functions[] =
+{
+ {"abs", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_any, f_abs},
+ {"acos", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_acos},
+ {"add", 2, 2, FEARG_1, arg2_listblobmod_item,
+ ret_first_arg, f_add},
+ {"and", 2, 2, FEARG_1, arg2_number,
+ ret_number, f_and},
+ {"append", 2, 2, FEARG_2, arg2_setline,
+ ret_number_bool, f_append},
+ {"appendbufline", 3, 3, FEARG_3, arg3_setbufline,
+ ret_number_bool, f_appendbufline},
+ {"argc", 0, 1, 0, arg1_number,
+ ret_number, f_argc},
+ {"argidx", 0, 0, 0, NULL,
+ ret_number, f_argidx},
+ {"arglistid", 0, 2, 0, arg2_number,
+ ret_number, f_arglistid},
+ {"argv", 0, 2, 0, arg2_number,
+ ret_argv, f_argv},
+ {"asin", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_asin},
+ {"assert_beeps", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_assert_beeps},
+ {"assert_equal", 2, 3, FEARG_2, NULL,
+ ret_number_bool, f_assert_equal},
+ {"assert_equalfile", 2, 3, FEARG_1, arg3_string,
+ ret_number_bool, f_assert_equalfile},
+ {"assert_exception", 1, 2, 0, arg2_string,
+ ret_number_bool, f_assert_exception},
+ {"assert_fails", 1, 5, FEARG_1, arg15_assert_fails,
+ ret_number_bool, f_assert_fails},
+ {"assert_false", 1, 2, FEARG_1, NULL,
+ ret_number_bool, f_assert_false},
+ {"assert_inrange", 3, 4, FEARG_3, arg34_assert_inrange,
+ ret_number_bool, f_assert_inrange},
+ {"assert_match", 2, 3, FEARG_2, arg3_string,
+ ret_number_bool, f_assert_match},
+ {"assert_nobeep", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_assert_nobeep},
+ {"assert_notequal", 2, 3, FEARG_2, NULL,
+ ret_number_bool, f_assert_notequal},
+ {"assert_notmatch", 2, 3, FEARG_2, arg3_string,
+ ret_number_bool, f_assert_notmatch},
+ {"assert_report", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_assert_report},
+ {"assert_true", 1, 2, FEARG_1, NULL,
+ ret_number_bool, f_assert_true},
+ {"atan", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_atan},
+ {"atan2", 2, 2, FEARG_1, arg2_float_or_nr,
+ ret_float, f_atan2},
+ {"autocmd_add", 1, 1, FEARG_1, arg1_list_any,
+ ret_number_bool, f_autocmd_add},
+ {"autocmd_delete", 1, 1, FEARG_1, arg1_list_any,
+ ret_number_bool, f_autocmd_delete},
+ {"autocmd_get", 0, 1, FEARG_1, arg1_dict_any,
+ ret_list_dict_any, f_autocmd_get},
+ {"balloon_gettext", 0, 0, 0, NULL,
+ ret_string,
+#ifdef FEAT_BEVAL
+ f_balloon_gettext
+#else
+ NULL
+#endif
+ },
+ {"balloon_show", 1, 1, FEARG_1, arg1_string_or_list_any,
+ ret_void,
+#ifdef FEAT_BEVAL
+ f_balloon_show
+#else
+ NULL
+#endif
+ },
+ {"balloon_split", 1, 1, FEARG_1, arg1_string,
+ ret_list_string,
+#if defined(FEAT_BEVAL_TERM)
+ f_balloon_split
+#else
+ NULL
+#endif
+ },
+ {"blob2list", 1, 1, FEARG_1, arg1_blob,
+ ret_list_number, f_blob2list},
+ {"browse", 4, 4, 0, arg4_browse,
+ ret_string, f_browse},
+ {"browsedir", 2, 2, 0, arg2_string,
+ ret_string, f_browsedir},
+ {"bufadd", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_bufadd},
+ {"bufexists", 1, 1, FEARG_1, arg1_buffer,
+ ret_number_bool, f_bufexists},
+ {"buffer_exists", 1, 1, FEARG_1, arg1_buffer, // obsolete
+ ret_number_bool, f_bufexists},
+ {"buffer_name", 0, 1, FEARG_1, arg1_buffer, // obsolete
+ ret_string, f_bufname},
+ {"buffer_number", 0, 1, FEARG_1, arg1_buffer, // obsolete
+ ret_number, f_bufnr},
+ {"buflisted", 1, 1, FEARG_1, arg1_buffer,
+ ret_number_bool, f_buflisted},
+ {"bufload", 1, 1, FEARG_1, arg1_buffer,
+ ret_void, f_bufload},
+ {"bufloaded", 1, 1, FEARG_1, arg1_buffer,
+ ret_number_bool, f_bufloaded},
+ {"bufname", 0, 1, FEARG_1, arg1_buffer,
+ ret_string, f_bufname},
+ {"bufnr", 0, 2, FEARG_1, arg2_buffer_bool,
+ ret_number, f_bufnr},
+ {"bufwinid", 1, 1, FEARG_1, arg1_buffer,
+ ret_number, f_bufwinid},
+ {"bufwinnr", 1, 1, FEARG_1, arg1_buffer,
+ ret_number, f_bufwinnr},
+ {"byte2line", 1, 1, FEARG_1, arg1_number,
+ ret_number, f_byte2line},
+ {"byteidx", 2, 2, FEARG_1, arg2_string_number,
+ ret_number, f_byteidx},
+ {"byteidxcomp", 2, 2, FEARG_1, arg2_string_number,
+ ret_number, f_byteidxcomp},
+ {"call", 2, 3, FEARG_1, arg3_any_list_dict,
+ ret_any, f_call},
+ {"ceil", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_ceil},
+ {"ch_canread", 1, 1, FEARG_1, arg1_chan_or_job,
+ ret_number_bool, JOB_FUNC(f_ch_canread)},
+ {"ch_close", 1, 1, FEARG_1, arg1_chan_or_job,
+ ret_void, JOB_FUNC(f_ch_close)},
+ {"ch_close_in", 1, 1, FEARG_1, arg1_chan_or_job,
+ ret_void, JOB_FUNC(f_ch_close_in)},
+ {"ch_evalexpr", 2, 3, FEARG_1, arg23_chanexpr,
+ ret_any, JOB_FUNC(f_ch_evalexpr)},
+ {"ch_evalraw", 2, 3, FEARG_1, arg23_chanraw,
+ ret_any, JOB_FUNC(f_ch_evalraw)},
+ {"ch_getbufnr", 2, 2, FEARG_1, arg2_chan_or_job_string,
+ ret_number, JOB_FUNC(f_ch_getbufnr)},
+ {"ch_getjob", 1, 1, FEARG_1, arg1_chan_or_job,
+ ret_job, JOB_FUNC(f_ch_getjob)},
+ {"ch_info", 1, 1, FEARG_1, arg1_chan_or_job,
+ ret_dict_any, JOB_FUNC(f_ch_info)},
+ {"ch_log", 1, 2, FEARG_1, arg2_string_chan_or_job,
+ ret_void, f_ch_log},
+ {"ch_logfile", 1, 2, FEARG_1, arg2_string,
+ ret_void, f_ch_logfile},
+ {"ch_open", 1, 2, FEARG_1, arg2_string_dict,
+ ret_channel, JOB_FUNC(f_ch_open)},
+ {"ch_read", 1, 2, FEARG_1, arg2_chan_or_job_dict,
+ ret_string, JOB_FUNC(f_ch_read)},
+ {"ch_readblob", 1, 2, FEARG_1, arg2_chan_or_job_dict,
+ ret_blob, JOB_FUNC(f_ch_readblob)},
+ {"ch_readraw", 1, 2, FEARG_1, arg2_chan_or_job_dict,
+ ret_string, JOB_FUNC(f_ch_readraw)},
+ {"ch_sendexpr", 2, 3, FEARG_1, arg23_chanexpr,
+ ret_any, JOB_FUNC(f_ch_sendexpr)},
+ {"ch_sendraw", 2, 3, FEARG_1, arg23_chanraw,
+ ret_void, JOB_FUNC(f_ch_sendraw)},
+ {"ch_setoptions", 2, 2, FEARG_1, arg2_chan_or_job_dict,
+ ret_void, JOB_FUNC(f_ch_setoptions)},
+ {"ch_status", 1, 2, FEARG_1, arg2_chan_or_job_dict,
+ ret_string, JOB_FUNC(f_ch_status)},
+ {"changenr", 0, 0, 0, NULL,
+ ret_number, f_changenr},
+ {"char2nr", 1, 2, FEARG_1, arg2_string_bool,
+ ret_number, f_char2nr},
+ {"charclass", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_charclass},
+ {"charcol", 1, 2, FEARG_1, arg2_string_or_list_number,
+ ret_number, f_charcol},
+ {"charidx", 2, 3, FEARG_1, arg3_string_number_bool,
+ ret_number, f_charidx},
+ {"chdir", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_chdir},
+ {"cindent", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_cindent},
+ {"clearmatches", 0, 1, FEARG_1, arg1_number,
+ ret_void, f_clearmatches},
+ {"col", 1, 2, FEARG_1, arg2_string_or_list_number,
+ ret_number, f_col},
+ {"complete", 2, 2, FEARG_2, arg2_number_list,
+ ret_void, f_complete},
+ {"complete_add", 1, 1, FEARG_1, arg1_dict_or_string,
+ ret_number, f_complete_add},
+ {"complete_check", 0, 0, 0, NULL,
+ ret_number_bool, f_complete_check},
+ {"complete_info", 0, 1, FEARG_1, arg1_list_string,
+ ret_dict_any, f_complete_info},
+ {"confirm", 1, 4, FEARG_1, arg4_string_string_number_string,
+ ret_number, f_confirm},
+ {"copy", 1, 1, FEARG_1, NULL,
+ ret_copy, f_copy},
+ {"cos", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_cos},
+ {"cosh", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_cosh},
+ {"count", 2, 4, FEARG_1, arg24_count,
+ ret_number, f_count},
+ {"cscope_connection",0,3, 0, arg3_number_string_string,
+ ret_number, f_cscope_connection},
+ {"cursor", 1, 3, FEARG_1, arg13_cursor,
+ ret_number, f_cursor},
+ {"debugbreak", 1, 1, FEARG_1, arg1_number,
+ ret_number,
+#ifdef MSWIN
+ f_debugbreak
+#else
+ NULL
+#endif
+ },
+ {"deepcopy", 1, 2, FEARG_1, arg12_deepcopy,
+ ret_copy, f_deepcopy},
+ {"delete", 1, 2, FEARG_1, arg2_string,
+ ret_number_bool, f_delete},
+ {"deletebufline", 2, 3, FEARG_1, arg3_buffer_lnum_lnum,
+ ret_number_bool, f_deletebufline},
+ {"did_filetype", 0, 0, 0, NULL,
+ ret_number_bool, f_did_filetype},
+ {"diff_filler", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_diff_filler},
+ {"diff_hlID", 2, 2, FEARG_1, arg2_lnum_number,
+ ret_number, f_diff_hlID},
+ {"digraph_get", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_digraph_get},
+ {"digraph_getlist",0, 1, FEARG_1, arg1_bool,
+ ret_list_string_items, f_digraph_getlist},
+ {"digraph_set", 2, 2, FEARG_1, arg2_string,
+ ret_bool, f_digraph_set},
+ {"digraph_setlist",1, 1, FEARG_1, arg1_list_string,
+ ret_bool, f_digraph_setlist},
+ {"echoraw", 1, 1, FEARG_1, arg1_string,
+ ret_void, f_echoraw},
+ {"empty", 1, 1, FEARG_1, NULL,
+ ret_number_bool, f_empty},
+ {"environ", 0, 0, 0, NULL,
+ ret_dict_string, f_environ},
+ {"escape", 2, 2, FEARG_1, arg2_string,
+ ret_string, f_escape},
+ {"eval", 1, 1, FEARG_1, arg1_string,
+ ret_any, f_eval},
+ {"eventhandler", 0, 0, 0, NULL,
+ ret_number_bool, f_eventhandler},
+ {"executable", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_executable},
+ {"execute", 1, 2, FEARG_1, arg12_execute,
+ ret_string, f_execute},
+ {"exepath", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_exepath},
+ {"exists", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_exists},
+ {"exists_compiled", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_exists_compiled},
+ {"exp", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_exp},
+ {"expand", 1, 3, FEARG_1, arg3_string_bool_bool,
+ ret_any, f_expand},
+ {"expandcmd", 1, 2, FEARG_1, arg2_string_dict,
+ ret_string, f_expandcmd},
+ {"extend", 2, 3, FEARG_1, arg23_extend,
+ ret_extend, f_extend},
+ {"extendnew", 2, 3, FEARG_1, arg23_extendnew,
+ ret_first_cont, f_extendnew},
+ {"feedkeys", 1, 2, FEARG_1, arg2_string,
+ ret_void, f_feedkeys},
+ {"file_readable", 1, 1, FEARG_1, arg1_string, // obsolete
+ ret_number_bool, f_filereadable},
+ {"filereadable", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_filereadable},
+ {"filewritable", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_filewritable},
+ {"filter", 2, 2, FEARG_1, arg2_filter,
+ ret_first_arg, f_filter},
+ {"finddir", 1, 3, FEARG_1, arg3_string_string_number,
+ ret_finddir, f_finddir},
+ {"findfile", 1, 3, FEARG_1, arg3_string_string_number,
+ ret_any, f_findfile},
+ {"flatten", 1, 2, FEARG_1, arg2_list_any_number,
+ ret_list_any, f_flatten},
+ {"flattennew", 1, 2, FEARG_1, arg2_list_any_number,
+ ret_list_any, f_flattennew},
+ {"float2nr", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_number, f_float2nr},
+ {"floor", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_floor},
+ {"fmod", 2, 2, FEARG_1, arg2_float_or_nr,
+ ret_float, f_fmod},
+ {"fnameescape", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_fnameescape},
+ {"fnamemodify", 2, 2, FEARG_1, arg2_string,
+ ret_string, f_fnamemodify},
+ {"foldclosed", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_foldclosed},
+ {"foldclosedend", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_foldclosedend},
+ {"foldlevel", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_foldlevel},
+ {"foldtext", 0, 0, 0, NULL,
+ ret_string, f_foldtext},
+ {"foldtextresult", 1, 1, FEARG_1, arg1_lnum,
+ ret_string, f_foldtextresult},
+ {"foreground", 0, 0, 0, NULL,
+ ret_void, f_foreground},
+ {"fullcommand", 1, 2, FEARG_1, arg2_string_bool,
+ ret_string, f_fullcommand},
+ {"funcref", 1, 3, FEARG_1, arg3_any_list_dict,
+ ret_func_unknown, f_funcref},
+ {"function", 1, 3, FEARG_1, arg3_any_list_dict,
+ ret_func_unknown, f_function},
+ {"garbagecollect", 0, 1, 0, arg1_bool,
+ ret_void, f_garbagecollect},
+ {"get", 2, 3, FEARG_1, arg23_get,
+ ret_any, f_get},
+ {"getbufinfo", 0, 1, FEARG_1, arg1_buffer_or_dict_any,
+ ret_list_dict_any, f_getbufinfo},
+ {"getbufline", 2, 3, FEARG_1, arg3_buffer_lnum_lnum,
+ ret_list_string, f_getbufline},
+ {"getbufoneline", 2, 2, FEARG_1, arg2_buffer_lnum,
+ ret_string, f_getbufoneline},
+ {"getbufvar", 2, 3, FEARG_1, arg3_buffer_string_any,
+ ret_any, f_getbufvar},
+ {"getcellwidths", 0, 0, 0, NULL,
+ ret_list_any, f_getcellwidths},
+ {"getchangelist", 0, 1, FEARG_1, arg1_buffer,
+ ret_list_any, f_getchangelist},
+ {"getchar", 0, 1, 0, arg1_bool,
+ ret_any, f_getchar},
+ {"getcharmod", 0, 0, 0, NULL,
+ ret_number, f_getcharmod},
+ {"getcharpos", 1, 1, FEARG_1, arg1_string,
+ ret_list_number, f_getcharpos},
+ {"getcharsearch", 0, 0, 0, NULL,
+ ret_dict_any, f_getcharsearch},
+ {"getcharstr", 0, 1, 0, arg1_bool,
+ ret_string, f_getcharstr},
+ {"getcmdcompltype", 0, 0, 0, NULL,
+ ret_string, f_getcmdcompltype},
+ {"getcmdline", 0, 0, 0, NULL,
+ ret_string, f_getcmdline},
+ {"getcmdpos", 0, 0, 0, NULL,
+ ret_number, f_getcmdpos},
+ {"getcmdscreenpos", 0, 0, 0, NULL,
+ ret_number, f_getcmdscreenpos},
+ {"getcmdtype", 0, 0, 0, NULL,
+ ret_string, f_getcmdtype},
+ {"getcmdwintype", 0, 0, 0, NULL,
+ ret_string, f_getcmdwintype},
+ {"getcompletion", 2, 3, FEARG_1, arg3_string_string_bool,
+ ret_list_string, f_getcompletion},
+ {"getcurpos", 0, 1, FEARG_1, arg1_number,
+ ret_list_number, f_getcurpos},
+ {"getcursorcharpos", 0, 1, FEARG_1, arg1_number,
+ ret_list_number, f_getcursorcharpos},
+ {"getcwd", 0, 2, FEARG_1, arg2_number,
+ ret_string, f_getcwd},
+ {"getenv", 1, 1, FEARG_1, arg1_string,
+ ret_any, f_getenv},
+ {"getfontname", 0, 1, 0, arg1_string,
+ ret_string, f_getfontname},
+ {"getfperm", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_getfperm},
+ {"getfsize", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_getfsize},
+ {"getftime", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_getftime},
+ {"getftype", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_getftype},
+ {"getimstatus", 0, 0, 0, NULL,
+ ret_number_bool, f_getimstatus},
+ {"getjumplist", 0, 2, FEARG_1, arg2_number,
+ ret_list_any, f_getjumplist},
+ {"getline", 1, 2, FEARG_1, arg2_lnum,
+ ret_getline, f_getline},
+ {"getloclist", 1, 2, 0, arg2_number_dict_any,
+ ret_list_or_dict_1, f_getloclist},
+ {"getmarklist", 0, 1, FEARG_1, arg1_buffer,
+ ret_list_dict_any, f_getmarklist},
+ {"getmatches", 0, 1, 0, arg1_number,
+ ret_list_dict_any, f_getmatches},
+ {"getmousepos", 0, 0, 0, NULL,
+ ret_dict_number, f_getmousepos},
+ {"getmouseshape", 0, 0, 0, NULL,
+ ret_string, f_getmouseshape},
+ {"getpid", 0, 0, 0, NULL,
+ ret_number, f_getpid},
+ {"getpos", 1, 1, FEARG_1, arg1_string,
+ ret_list_number, f_getpos},
+ {"getqflist", 0, 1, 0, arg1_dict_any,
+ ret_list_or_dict_0, f_getqflist},
+ {"getreg", 0, 3, FEARG_1, arg3_string_bool_bool,
+ ret_getreg, f_getreg},
+ {"getreginfo", 0, 1, FEARG_1, arg1_string,
+ ret_dict_any, f_getreginfo},
+ {"getregtype", 0, 1, FEARG_1, arg1_string,
+ ret_string, f_getregtype},
+ {"getscriptinfo", 0, 1, 0, arg1_dict_any,
+ ret_list_dict_any, f_getscriptinfo},
+ {"gettabinfo", 0, 1, FEARG_1, arg1_number,
+ ret_list_dict_any, f_gettabinfo},
+ {"gettabvar", 2, 3, FEARG_1, arg3_number_string_any,
+ ret_any, f_gettabvar},
+ {"gettabwinvar", 3, 4, FEARG_1, arg4_number_number_string_any,
+ ret_any, f_gettabwinvar},
+ {"gettagstack", 0, 1, FEARG_1, arg1_number,
+ ret_dict_any, f_gettagstack},
+ {"gettext", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_gettext},
+ {"getwininfo", 0, 1, FEARG_1, arg1_number,
+ ret_list_dict_any, f_getwininfo},
+ {"getwinpos", 0, 1, FEARG_1, arg1_number,
+ ret_list_number, f_getwinpos},
+ {"getwinposx", 0, 0, 0, NULL,
+ ret_number, f_getwinposx},
+ {"getwinposy", 0, 0, 0, NULL,
+ ret_number, f_getwinposy},
+ {"getwinvar", 2, 3, FEARG_1, arg3_number_string_any,
+ ret_any, f_getwinvar},
+ {"glob", 1, 4, FEARG_1, arg14_glob,
+ ret_any, f_glob},
+ {"glob2regpat", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_glob2regpat},
+ {"globpath", 2, 5, FEARG_2, arg25_globpath,
+ ret_any, f_globpath},
+ {"has", 1, 2, 0, arg2_string_bool,
+ ret_number_bool, f_has},
+ {"has_key", 2, 2, FEARG_1, arg2_dict_any_string_or_nr,
+ ret_number_bool, f_has_key},
+ {"haslocaldir", 0, 2, FEARG_1, arg2_number,
+ ret_number, f_haslocaldir},
+ {"hasmapto", 1, 3, FEARG_1, arg3_string_string_bool,
+ ret_number_bool, f_hasmapto},
+ {"highlightID", 1, 1, FEARG_1, arg1_string, // obsolete
+ ret_number, f_hlID},
+ {"highlight_exists",1, 1, FEARG_1, arg1_string, // obsolete
+ ret_number_bool, f_hlexists},
+ {"histadd", 2, 2, FEARG_2, arg2_string,
+ ret_number_bool, f_histadd},
+ {"histdel", 1, 2, FEARG_1, arg2_string_string_or_number,
+ ret_number_bool, f_histdel},
+ {"histget", 1, 2, FEARG_1, arg2_string_number,
+ ret_string, f_histget},
+ {"histnr", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_histnr},
+ {"hlID", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_hlID},
+ {"hlexists", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_hlexists},
+ {"hlget", 0, 2, FEARG_1, arg2_string_bool,
+ ret_list_dict_any, f_hlget},
+ {"hlset", 1, 1, FEARG_1, arg1_list_any,
+ ret_number_bool, f_hlset},
+ {"hostname", 0, 0, 0, NULL,
+ ret_string, f_hostname},
+ {"iconv", 3, 3, FEARG_1, arg3_string,
+ ret_string, f_iconv},
+ {"indent", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_indent},
+ {"index", 2, 4, FEARG_1, arg24_index,
+ ret_number, f_index},
+ {"indexof", 2, 3, FEARG_1, arg23_index,
+ ret_number, f_indexof},
+ {"input", 1, 3, FEARG_1, arg3_string,
+ ret_string, f_input},
+ {"inputdialog", 1, 3, FEARG_1, arg3_string,
+ ret_string, f_inputdialog},
+ {"inputlist", 1, 1, FEARG_1, arg1_list_string,
+ ret_number, f_inputlist},
+ {"inputrestore", 0, 0, 0, NULL,
+ ret_number_bool, f_inputrestore},
+ {"inputsave", 0, 0, 0, NULL,
+ ret_number_bool, f_inputsave},
+ {"inputsecret", 1, 2, FEARG_1, arg2_string,
+ ret_string, f_inputsecret},
+ {"insert", 2, 3, FEARG_1, arg23_insert,
+ ret_first_arg, f_insert},
+ {"interrupt", 0, 0, 0, NULL,
+ ret_void, f_interrupt},
+ {"invert", 1, 1, FEARG_1, arg1_number,
+ ret_number, f_invert},
+ {"isabsolutepath", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_isabsolutepath},
+ {"isdirectory", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_isdirectory},
+ {"isinf", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_number, MATH_FUNC(f_isinf)},
+ {"islocked", 1, 1, FEARG_1, arg1_string,
+ ret_number_bool, f_islocked},
+ {"isnan", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_number_bool, MATH_FUNC(f_isnan)},
+ {"items", 1, 1, FEARG_1, arg1_string_or_list_or_dict,
+ ret_list_items, f_items},
+ {"job_getchannel", 1, 1, FEARG_1, arg1_job,
+ ret_channel, JOB_FUNC(f_job_getchannel)},
+ {"job_info", 0, 1, FEARG_1, arg1_job,
+ ret_job_info, JOB_FUNC(f_job_info)},
+ {"job_setoptions", 2, 2, FEARG_1, arg2_job_dict,
+ ret_void, JOB_FUNC(f_job_setoptions)},
+ {"job_start", 1, 2, FEARG_1, arg2_string_or_list_dict,
+ ret_job, JOB_FUNC(f_job_start)},
+ {"job_status", 1, 1, FEARG_1, arg1_job,
+ ret_string, JOB_FUNC(f_job_status)},
+ {"job_stop", 1, 2, FEARG_1, arg2_job_string_or_number,
+ ret_number_bool, JOB_FUNC(f_job_stop)},
+ {"join", 1, 2, FEARG_1, arg2_list_any_string,
+ ret_string, f_join},
+ {"js_decode", 1, 1, FEARG_1, arg1_string,
+ ret_any, f_js_decode},
+ {"js_encode", 1, 1, FEARG_1, NULL,
+ ret_string, f_js_encode},
+ {"json_decode", 1, 1, FEARG_1, arg1_string,
+ ret_any, f_json_decode},
+ {"json_encode", 1, 1, FEARG_1, NULL,
+ ret_string, f_json_encode},
+ {"keys", 1, 1, FEARG_1, arg1_dict_any,
+ ret_list_string, f_keys},
+ {"keytrans", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_keytrans},
+ {"last_buffer_nr", 0, 0, 0, NULL, // obsolete
+ ret_number, f_last_buffer_nr},
+ {"len", 1, 1, FEARG_1, arg1_len,
+ ret_number, f_len},
+ {"libcall", 3, 3, FEARG_3, arg3_libcall,
+ ret_string, f_libcall},
+ {"libcallnr", 3, 3, FEARG_3, arg3_libcall,
+ ret_number, f_libcallnr},
+ {"line", 1, 2, FEARG_1, arg2_string_number,
+ ret_number, f_line},
+ {"line2byte", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_line2byte},
+ {"lispindent", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_lispindent},
+ {"list2blob", 1, 1, FEARG_1, arg1_list_number,
+ ret_blob, f_list2blob},
+ {"list2str", 1, 2, FEARG_1, arg2_list_number_bool,
+ ret_string, f_list2str},
+ {"listener_add", 1, 2, FEARG_2, arg2_any_buffer,
+ ret_number, f_listener_add},
+ {"listener_flush", 0, 1, FEARG_1, arg1_buffer,
+ ret_void, f_listener_flush},
+ {"listener_remove", 1, 1, FEARG_1, arg1_number,
+ ret_number_bool, f_listener_remove},
+ {"localtime", 0, 0, 0, NULL,
+ ret_number, f_localtime},
+ {"log", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_log},
+ {"log10", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_log10},
+ {"luaeval", 1, 2, FEARG_1, arg2_string_any,
+ ret_any,
+#ifdef FEAT_LUA
+ f_luaeval
+#else
+ NULL
+#endif
+ },
+ {"map", 2, 2, FEARG_1, arg2_map,
+ ret_first_cont, f_map},
+ {"maparg", 1, 4, FEARG_1, arg14_maparg,
+ ret_maparg, f_maparg},
+ {"mapcheck", 1, 3, FEARG_1, arg3_string_string_bool,
+ ret_string, f_mapcheck},
+ {"maplist", 0, 1, 0, arg1_bool,
+ ret_list_dict_any, f_maplist},
+ {"mapnew", 2, 2, FEARG_1, arg2_mapnew,
+ ret_first_cont, f_mapnew},
+ {"mapset", 1, 3, FEARG_1, arg3_string_or_dict_bool_dict,
+ ret_void, f_mapset},
+ {"match", 2, 4, FEARG_1, arg24_match_func,
+ ret_any, f_match},
+ {"matchadd", 2, 5, FEARG_1, arg25_matchadd,
+ ret_number, f_matchadd},
+ {"matchaddpos", 2, 5, FEARG_1, arg25_matchaddpos,
+ ret_number, f_matchaddpos},
+ {"matcharg", 1, 1, FEARG_1, arg1_number,
+ ret_list_string, f_matcharg},
+ {"matchdelete", 1, 2, FEARG_1, arg2_number,
+ ret_number_bool, f_matchdelete},
+ {"matchend", 2, 4, FEARG_1, arg24_match_func,
+ ret_number, f_matchend},
+ {"matchfuzzy", 2, 3, FEARG_1, arg3_list_string_dict,
+ ret_list_string, f_matchfuzzy},
+ {"matchfuzzypos", 2, 3, FEARG_1, arg3_list_string_dict,
+ ret_list_any, f_matchfuzzypos},
+ {"matchlist", 2, 4, FEARG_1, arg24_match_func,
+ ret_list_string, f_matchlist},
+ {"matchstr", 2, 4, FEARG_1, arg24_match_func,
+ ret_string, f_matchstr},
+ {"matchstrpos", 2, 4, FEARG_1, arg24_match_func,
+ ret_list_any, f_matchstrpos},
+ {"max", 1, 1, FEARG_1, arg1_list_or_dict,
+ ret_number, f_max},
+ {"menu_info", 1, 2, FEARG_1, arg2_string,
+ ret_dict_any,
+#ifdef FEAT_MENU
+ f_menu_info
+#else
+ NULL
+#endif
+ },
+ {"min", 1, 1, FEARG_1, arg1_list_or_dict,
+ ret_number, f_min},
+ {"mkdir", 1, 3, FEARG_1, arg3_string_string_number,
+ ret_number_bool, f_mkdir},
+ {"mode", 0, 1, FEARG_1, arg1_bool,
+ ret_string, f_mode},
+ {"mzeval", 1, 1, FEARG_1, arg1_string,
+ ret_any,
+#ifdef FEAT_MZSCHEME
+ f_mzeval
+#else
+ NULL
+#endif
+ },
+ {"nextnonblank", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_nextnonblank},
+ {"nr2char", 1, 2, FEARG_1, arg2_number_bool,
+ ret_string, f_nr2char},
+ {"or", 2, 2, FEARG_1, arg2_number,
+ ret_number, f_or},
+ {"pathshorten", 1, 2, FEARG_1, arg2_string_number,
+ ret_string, f_pathshorten},
+ {"perleval", 1, 1, FEARG_1, arg1_string,
+ ret_any,
+#ifdef FEAT_PERL
+ f_perleval
+#else
+ NULL
+#endif
+ },
+ {"popup_atcursor", 2, 2, FEARG_1, arg2_str_or_nr_or_list_dict,
+ ret_number, PROP_FUNC(f_popup_atcursor)},
+ {"popup_beval", 2, 2, FEARG_1, arg2_str_or_nr_or_list_dict,
+ ret_number, PROP_FUNC(f_popup_beval)},
+ {"popup_clear", 0, 1, 0, arg1_bool,
+ ret_void, PROP_FUNC(f_popup_clear)},
+ {"popup_close", 1, 2, FEARG_1, arg2_number_any,
+ ret_void, PROP_FUNC(f_popup_close)},
+ {"popup_create", 2, 2, FEARG_1, arg2_str_or_nr_or_list_dict,
+ ret_number, PROP_FUNC(f_popup_create)},
+ {"popup_dialog", 2, 2, FEARG_1, arg2_str_or_nr_or_list_dict,
+ ret_number, PROP_FUNC(f_popup_dialog)},
+ {"popup_filter_menu", 2, 2, 0, arg2_number_string,
+ ret_bool, PROP_FUNC(f_popup_filter_menu)},
+ {"popup_filter_yesno", 2, 2, 0, arg2_number_string,
+ ret_bool, PROP_FUNC(f_popup_filter_yesno)},
+ {"popup_findecho", 0, 0, 0, NULL,
+ ret_number, PROP_FUNC(f_popup_findecho)},
+ {"popup_findinfo", 0, 0, 0, NULL,
+ ret_number, PROP_FUNC(f_popup_findinfo)},
+ {"popup_findpreview", 0, 0, 0, NULL,
+ ret_number, PROP_FUNC(f_popup_findpreview)},
+ {"popup_getoptions", 1, 1, FEARG_1, arg1_number,
+ ret_dict_any, PROP_FUNC(f_popup_getoptions)},
+ {"popup_getpos", 1, 1, FEARG_1, arg1_number,
+ ret_dict_any, PROP_FUNC(f_popup_getpos)},
+ {"popup_hide", 1, 1, FEARG_1, arg1_number,
+ ret_void, PROP_FUNC(f_popup_hide)},
+ {"popup_list", 0, 0, 0, NULL,
+ ret_list_number, PROP_FUNC(f_popup_list)},
+ {"popup_locate", 2, 2, 0, arg2_number,
+ ret_number, PROP_FUNC(f_popup_locate)},
+ {"popup_menu", 2, 2, FEARG_1, arg2_str_or_nr_or_list_dict,
+ ret_number, PROP_FUNC(f_popup_menu)},
+ {"popup_move", 2, 2, FEARG_1, arg2_number_dict_any,
+ ret_void, PROP_FUNC(f_popup_move)},
+ {"popup_notification", 2, 2, FEARG_1, arg2_str_or_nr_or_list_dict,
+ ret_number, PROP_FUNC(f_popup_notification)},
+ {"popup_setoptions", 2, 2, FEARG_1, arg2_number_dict_any,
+ ret_void, PROP_FUNC(f_popup_setoptions)},
+ {"popup_settext", 2, 2, FEARG_1, arg2_number_string_or_list,
+ ret_void, PROP_FUNC(f_popup_settext)},
+ {"popup_show", 1, 1, FEARG_1, arg1_number,
+ ret_void, PROP_FUNC(f_popup_show)},
+ {"pow", 2, 2, FEARG_1, arg2_float_or_nr,
+ ret_float, f_pow},
+ {"prevnonblank", 1, 1, FEARG_1, arg1_lnum,
+ ret_number, f_prevnonblank},
+ {"printf", 1, 19, FEARG_2, arg119_printf,
+ ret_string, f_printf},
+ {"prompt_getprompt", 1, 1, FEARG_1, arg1_buffer,
+ ret_string, JOB_FUNC(f_prompt_getprompt)},
+ {"prompt_setcallback", 2, 2, FEARG_1, arg2_buffer_any,
+ ret_void, JOB_FUNC(f_prompt_setcallback)},
+ {"prompt_setinterrupt", 2, 2, FEARG_1, arg2_buffer_any,
+ ret_void, JOB_FUNC(f_prompt_setinterrupt)},
+ {"prompt_setprompt", 2, 2, FEARG_1, arg2_buffer_string,
+ ret_void, JOB_FUNC(f_prompt_setprompt)},
+ {"prop_add", 3, 3, FEARG_1, arg3_number_number_dict,
+ ret_number, PROP_FUNC(f_prop_add)},
+ {"prop_add_list", 2, 2, FEARG_1, arg2_dict_any_list_any,
+ ret_void, PROP_FUNC(f_prop_add_list)},
+ {"prop_clear", 1, 3, FEARG_1, arg3_number_number_dict,
+ ret_void, PROP_FUNC(f_prop_clear)},
+ {"prop_find", 1, 2, FEARG_1, arg2_dict_string,
+ ret_dict_any, PROP_FUNC(f_prop_find)},
+ {"prop_list", 1, 2, FEARG_1, arg2_number_dict_any,
+ ret_list_dict_any, PROP_FUNC(f_prop_list)},
+ {"prop_remove", 1, 3, FEARG_1, arg3_dict_number_number,
+ ret_number, PROP_FUNC(f_prop_remove)},
+ {"prop_type_add", 2, 2, FEARG_1, arg2_string_dict,
+ ret_void, PROP_FUNC(f_prop_type_add)},
+ {"prop_type_change", 2, 2, FEARG_1, arg2_string_dict,
+ ret_void, PROP_FUNC(f_prop_type_change)},
+ {"prop_type_delete", 1, 2, FEARG_1, arg2_string_dict,
+ ret_void, PROP_FUNC(f_prop_type_delete)},
+ {"prop_type_get", 1, 2, FEARG_1, arg2_string_dict,
+ ret_dict_any, PROP_FUNC(f_prop_type_get)},
+ {"prop_type_list", 0, 1, FEARG_1, arg1_dict_any,
+ ret_list_string, PROP_FUNC(f_prop_type_list)},
+ {"pum_getpos", 0, 0, 0, NULL,
+ ret_dict_number, f_pum_getpos},
+ {"pumvisible", 0, 0, 0, NULL,
+ ret_number_bool, f_pumvisible},
+ {"py3eval", 1, 1, FEARG_1, arg1_string,
+ ret_any,
+#ifdef FEAT_PYTHON3
+ f_py3eval
+#else
+ NULL
+#endif
+ },
+ {"pyeval", 1, 1, FEARG_1, arg1_string,
+ ret_any,
+#ifdef FEAT_PYTHON
+ f_pyeval
+#else
+ NULL
+#endif
+ },
+ {"pyxeval", 1, 1, FEARG_1, arg1_string,
+ ret_any,
+#if defined(FEAT_PYTHON) || defined(FEAT_PYTHON3)
+ f_pyxeval
+#else
+ NULL
+#endif
+ },
+ {"rand", 0, 1, FEARG_1, arg1_list_number,
+ ret_number, f_rand},
+ {"range", 1, 3, FEARG_1, arg3_number,
+ ret_list_number, f_range},
+ {"readblob", 1, 3, FEARG_1, arg3_string_number_number,
+ ret_blob, f_readblob},
+ {"readdir", 1, 3, FEARG_1, arg3_string_any_dict,
+ ret_list_string, f_readdir},
+ {"readdirex", 1, 3, FEARG_1, arg3_string_any_dict,
+ ret_list_dict_any, f_readdirex},
+ {"readfile", 1, 3, FEARG_1, arg3_string_string_number,
+ ret_list_string, f_readfile},
+ {"reduce", 2, 3, FEARG_1, arg23_reduce,
+ ret_any, f_reduce},
+ {"reg_executing", 0, 0, 0, NULL,
+ ret_string, f_reg_executing},
+ {"reg_recording", 0, 0, 0, NULL,
+ ret_string, f_reg_recording},
+ {"reltime", 0, 2, FEARG_1, arg2_list_number,
+ ret_list_any, f_reltime},
+ {"reltimefloat", 1, 1, FEARG_1, arg1_list_number,
+ ret_float, f_reltimefloat},
+ {"reltimestr", 1, 1, FEARG_1, arg1_list_number,
+ ret_string, f_reltimestr},
+ {"remote_expr", 2, 4, FEARG_1, arg24_remote_expr,
+ ret_string, f_remote_expr},
+ {"remote_foreground", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_remote_foreground},
+ {"remote_peek", 1, 2, FEARG_1, arg2_string,
+ ret_number, f_remote_peek},
+ {"remote_read", 1, 2, FEARG_1, arg2_string_number,
+ ret_string, f_remote_read},
+ {"remote_send", 2, 3, FEARG_1, arg3_string,
+ ret_string, f_remote_send},
+ {"remote_startserver", 1, 1, FEARG_1, arg1_string,
+ ret_void, f_remote_startserver},
+ {"remove", 2, 3, FEARG_1, arg23_remove,
+ ret_remove, f_remove},
+ {"rename", 2, 2, FEARG_1, arg2_string,
+ ret_number_bool, f_rename},
+ {"repeat", 2, 2, FEARG_1, arg2_repeat,
+ ret_repeat, f_repeat},
+ {"resolve", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_resolve},
+ {"reverse", 1, 1, FEARG_1, arg1_list_or_blob_mod,
+ ret_first_arg, f_reverse},
+ {"round", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_round},
+ {"rubyeval", 1, 1, FEARG_1, arg1_string,
+ ret_any,
+#ifdef FEAT_RUBY
+ f_rubyeval
+#else
+ NULL
+#endif
+ },
+ {"screenattr", 2, 2, FEARG_1, arg2_number,
+ ret_number, f_screenattr},
+ {"screenchar", 2, 2, FEARG_1, arg2_number,
+ ret_number, f_screenchar},
+ {"screenchars", 2, 2, FEARG_1, arg2_number,
+ ret_list_number, f_screenchars},
+ {"screencol", 0, 0, 0, NULL,
+ ret_number, f_screencol},
+ {"screenpos", 3, 3, FEARG_1, arg3_number,
+ ret_dict_number, f_screenpos},
+ {"screenrow", 0, 0, 0, NULL,
+ ret_number, f_screenrow},
+ {"screenstring", 2, 2, FEARG_1, arg2_number,
+ ret_string, f_screenstring},
+ {"search", 1, 5, FEARG_1, arg15_search,
+ ret_number, f_search},
+ {"searchcount", 0, 1, FEARG_1, arg1_dict_any,
+ ret_dict_any, f_searchcount},
+ {"searchdecl", 1, 3, FEARG_1, arg3_string_bool_bool,
+ ret_number_bool, f_searchdecl},
+ {"searchpair", 3, 7, 0, arg37_searchpair,
+ ret_number, f_searchpair},
+ {"searchpairpos", 3, 7, 0, arg37_searchpair,
+ ret_list_number, f_searchpairpos},
+ {"searchpos", 1, 5, FEARG_1, arg15_search,
+ ret_list_number, f_searchpos},
+ {"server2client", 2, 2, FEARG_1, arg2_string,
+ ret_number_bool, f_server2client},
+ {"serverlist", 0, 0, 0, NULL,
+ ret_string, f_serverlist},
+ {"setbufline", 3, 3, FEARG_3, arg3_setbufline,
+ ret_number_bool, f_setbufline},
+ {"setbufvar", 3, 3, FEARG_3, arg3_buffer_string_any,
+ ret_void, f_setbufvar},
+ {"setcellwidths", 1, 1, FEARG_1, arg1_list_any,
+ ret_void, f_setcellwidths},
+ {"setcharpos", 2, 2, FEARG_2, arg2_string_list_number,
+ ret_number_bool, f_setcharpos},
+ {"setcharsearch", 1, 1, FEARG_1, arg1_dict_any,
+ ret_void, f_setcharsearch},
+ {"setcmdline", 1, 2, FEARG_1, arg2_string_number,
+ ret_number_bool, f_setcmdline},
+ {"setcmdpos", 1, 1, FEARG_1, arg1_number,
+ ret_number_bool, f_setcmdpos},
+ {"setcursorcharpos", 1, 3, FEARG_1, arg13_cursor,
+ ret_number_bool, f_setcursorcharpos},
+ {"setenv", 2, 2, FEARG_2, arg2_string_any,
+ ret_void, f_setenv},
+ {"setfperm", 2, 2, FEARG_1, arg2_string,
+ ret_number_bool, f_setfperm},
+ {"setline", 2, 2, FEARG_2, arg2_setline,
+ ret_number_bool, f_setline},
+ {"setloclist", 2, 4, FEARG_2, arg24_setloclist,
+ ret_number_bool, f_setloclist},
+ {"setmatches", 1, 2, FEARG_1, arg2_list_any_number,
+ ret_number_bool, f_setmatches},
+ {"setpos", 2, 2, FEARG_2, arg2_string_list_number,
+ ret_number_bool, f_setpos},
+ {"setqflist", 1, 3, FEARG_1, arg13_setqflist,
+ ret_number_bool, f_setqflist},
+ {"setreg", 2, 3, FEARG_2, arg3_string_any_string,
+ ret_number_bool, f_setreg},
+ {"settabvar", 3, 3, FEARG_3, arg3_number_string_any,
+ ret_void, f_settabvar},
+ {"settabwinvar", 4, 4, FEARG_4, arg4_number_number_string_any,
+ ret_void, f_settabwinvar},
+ {"settagstack", 2, 3, FEARG_2, arg23_settagstack,
+ ret_number_bool, f_settagstack},
+ {"setwinvar", 3, 3, FEARG_3, arg3_number_string_any,
+ ret_void, f_setwinvar},
+ {"sha256", 1, 1, FEARG_1, arg1_string,
+ ret_string,
+#ifdef FEAT_CRYPT
+ f_sha256
+#else
+ NULL
+#endif
+ },
+ {"shellescape", 1, 2, FEARG_1, arg2_string_bool,
+ ret_string, f_shellescape},
+ {"shiftwidth", 0, 1, FEARG_1, arg1_number,
+ ret_number, f_shiftwidth},
+ {"sign_define", 1, 2, FEARG_1, arg2_string_or_list_dict,
+ ret_any, SIGN_FUNC(f_sign_define)},
+ {"sign_getdefined", 0, 1, FEARG_1, arg1_string,
+ ret_list_dict_any, SIGN_FUNC(f_sign_getdefined)},
+ {"sign_getplaced", 0, 2, FEARG_1, arg02_sign_getplaced,
+ ret_list_dict_any, SIGN_FUNC(f_sign_getplaced)},
+ {"sign_jump", 3, 3, FEARG_1, arg3_number_string_buffer,
+ ret_number, SIGN_FUNC(f_sign_jump)},
+ {"sign_place", 4, 5, FEARG_1, arg45_sign_place,
+ ret_number, SIGN_FUNC(f_sign_place)},
+ {"sign_placelist", 1, 1, FEARG_1, arg1_list_any,
+ ret_list_number, SIGN_FUNC(f_sign_placelist)},
+ {"sign_undefine", 0, 1, FEARG_1, arg1_string_or_list_string,
+ ret_number_bool, SIGN_FUNC(f_sign_undefine)},
+ {"sign_unplace", 1, 2, FEARG_1, arg2_string_dict,
+ ret_number_bool, SIGN_FUNC(f_sign_unplace)},
+ {"sign_unplacelist", 1, 1, FEARG_1, arg1_list_any,
+ ret_list_number, SIGN_FUNC(f_sign_unplacelist)},
+ {"simplify", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_simplify},
+ {"sin", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_sin},
+ {"sinh", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_sinh},
+ {"slice", 2, 3, FEARG_1, arg23_slice,
+ ret_slice, f_slice},
+ {"sort", 1, 3, FEARG_1, arg13_sortuniq,
+ ret_first_arg, f_sort},
+ {"sound_clear", 0, 0, 0, NULL,
+ ret_void, SOUND_FUNC(f_sound_clear)},
+ {"sound_playevent", 1, 2, FEARG_1, arg2_string_any,
+ ret_number, SOUND_FUNC(f_sound_playevent)},
+ {"sound_playfile", 1, 2, FEARG_1, arg2_string_any,
+ ret_number, SOUND_FUNC(f_sound_playfile)},
+ {"sound_stop", 1, 1, FEARG_1, arg1_number,
+ ret_void, SOUND_FUNC(f_sound_stop)},
+ {"soundfold", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_soundfold},
+ {"spellbadword", 0, 1, FEARG_1, arg1_string,
+ ret_list_string, f_spellbadword},
+ {"spellsuggest", 1, 3, FEARG_1, arg3_string_number_bool,
+ ret_list_string, f_spellsuggest},
+ {"split", 1, 3, FEARG_1, arg3_string_string_bool,
+ ret_list_string, f_split},
+ {"sqrt", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_sqrt},
+ {"srand", 0, 1, FEARG_1, arg1_number,
+ ret_list_number, f_srand},
+ {"state", 0, 1, FEARG_1, arg1_string,
+ ret_string, f_state},
+ {"str2float", 1, 2, FEARG_1, arg2_string_bool,
+ ret_float, f_str2float},
+ {"str2list", 1, 2, FEARG_1, arg2_string_bool,
+ ret_list_number, f_str2list},
+ {"str2nr", 1, 3, FEARG_1, arg3_string_number_bool,
+ ret_number, f_str2nr},
+ {"strcharlen", 1, 1, FEARG_1, arg1_string_or_nr,
+ ret_number, f_strcharlen},
+ {"strcharpart", 2, 4, FEARG_1, arg24_strpart,
+ ret_string, f_strcharpart},
+ {"strchars", 1, 2, FEARG_1, arg2_string_bool,
+ ret_number, f_strchars},
+ {"strdisplaywidth", 1, 2, FEARG_1, arg2_string_number,
+ ret_number, f_strdisplaywidth},
+ {"strftime", 1, 2, FEARG_1, arg2_string_number,
+ ret_string,
+#ifdef HAVE_STRFTIME
+ f_strftime
+#else
+ NULL
+#endif
+ },
+ {"strgetchar", 2, 2, FEARG_1, arg2_string_number,
+ ret_number, f_strgetchar},
+ {"stridx", 2, 3, FEARG_1, arg3_string_string_number,
+ ret_number, f_stridx},
+ {"string", 1, 1, FEARG_1, NULL,
+ ret_string, f_string},
+ {"strlen", 1, 1, FEARG_1, arg1_string_or_nr,
+ ret_number, f_strlen},
+ {"strpart", 2, 4, FEARG_1, arg24_strpart,
+ ret_string, f_strpart},
+ {"strptime", 2, 2, FEARG_1, arg2_string,
+ ret_number,
+#ifdef HAVE_STRPTIME
+ f_strptime
+#else
+ NULL
+#endif
+ },
+ {"strridx", 2, 3, FEARG_1, arg3_string_string_number,
+ ret_number, f_strridx},
+ {"strtrans", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_strtrans},
+ {"strwidth", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_strwidth},
+ {"submatch", 1, 2, FEARG_1, arg2_number_bool,
+ ret_string, f_submatch},
+ {"substitute", 4, 4, FEARG_1, arg4_string_string_any_string,
+ ret_string, f_substitute},
+ {"swapfilelist", 0, 0, 0, NULL,
+ ret_list_string, f_swapfilelist},
+ {"swapinfo", 1, 1, FEARG_1, arg1_string,
+ ret_dict_any, f_swapinfo},
+ {"swapname", 1, 1, FEARG_1, arg1_buffer,
+ ret_string, f_swapname},
+ {"synID", 3, 3, 0, arg3_lnum_number_bool,
+ ret_number, f_synID},
+ {"synIDattr", 2, 3, FEARG_1, arg3_number_string_string,
+ ret_string, f_synIDattr},
+ {"synIDtrans", 1, 1, FEARG_1, arg1_number,
+ ret_number, f_synIDtrans},
+ {"synconcealed", 2, 2, 0, arg2_lnum_number,
+ ret_list_any, f_synconcealed},
+ {"synstack", 2, 2, 0, arg2_lnum_number,
+ ret_list_number, f_synstack},
+ {"system", 1, 2, FEARG_1, arg12_system,
+ ret_string, f_system},
+ {"systemlist", 1, 2, FEARG_1, arg12_system,
+ ret_list_string, f_systemlist},
+ {"tabpagebuflist", 0, 1, FEARG_1, arg1_number,
+ ret_list_number, f_tabpagebuflist},
+ {"tabpagenr", 0, 1, 0, arg1_string,
+ ret_number, f_tabpagenr},
+ {"tabpagewinnr", 1, 2, FEARG_1, arg2_number_string,
+ ret_number, f_tabpagewinnr},
+ {"tagfiles", 0, 0, 0, NULL,
+ ret_list_string, f_tagfiles},
+ {"taglist", 1, 2, FEARG_1, arg2_string,
+ ret_list_dict_any, f_taglist},
+ {"tan", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_tan},
+ {"tanh", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_tanh},
+ {"tempname", 0, 0, 0, NULL,
+ ret_string, f_tempname},
+ {"term_dumpdiff", 2, 3, FEARG_1, arg3_string_string_dict,
+ ret_number, TERM_FUNC(f_term_dumpdiff)},
+ {"term_dumpload", 1, 2, FEARG_1, arg2_string_dict,
+ ret_number, TERM_FUNC(f_term_dumpload)},
+ {"term_dumpwrite", 2, 3, FEARG_2, arg3_buffer_string_dict,
+ ret_void, TERM_FUNC(f_term_dumpwrite)},
+ {"term_getaltscreen", 1, 1, FEARG_1, arg1_buffer,
+ ret_number, TERM_FUNC(f_term_getaltscreen)},
+ {"term_getansicolors", 1, 1, FEARG_1, arg1_buffer,
+ ret_list_string,
+#if defined(FEAT_TERMINAL) && (defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS))
+ f_term_getansicolors
+#else
+ NULL
+#endif
+ },
+ {"term_getattr", 2, 2, FEARG_1, arg2_number_string,
+ ret_number, TERM_FUNC(f_term_getattr)},
+ {"term_getcursor", 1, 1, FEARG_1, arg1_buffer,
+ ret_list_any, TERM_FUNC(f_term_getcursor)},
+ {"term_getjob", 1, 1, FEARG_1, arg1_buffer,
+ ret_job, TERM_FUNC(f_term_getjob)},
+ {"term_getline", 2, 2, FEARG_1, arg2_buffer_lnum,
+ ret_string, TERM_FUNC(f_term_getline)},
+ {"term_getscrolled", 1, 1, FEARG_1, arg1_buffer,
+ ret_number, TERM_FUNC(f_term_getscrolled)},
+ {"term_getsize", 1, 1, FEARG_1, arg1_buffer,
+ ret_list_number, TERM_FUNC(f_term_getsize)},
+ {"term_getstatus", 1, 1, FEARG_1, arg1_buffer,
+ ret_string, TERM_FUNC(f_term_getstatus)},
+ {"term_gettitle", 1, 1, FEARG_1, arg1_buffer,
+ ret_string, TERM_FUNC(f_term_gettitle)},
+ {"term_gettty", 1, 2, FEARG_1, arg2_buffer_bool,
+ ret_string, TERM_FUNC(f_term_gettty)},
+ {"term_list", 0, 0, 0, NULL,
+ ret_list_number, TERM_FUNC(f_term_list)},
+ {"term_scrape", 2, 2, FEARG_1, arg2_buffer_lnum,
+ ret_list_dict_any, TERM_FUNC(f_term_scrape)},
+ {"term_sendkeys", 2, 2, FEARG_1, arg2_buffer_string,
+ ret_void, TERM_FUNC(f_term_sendkeys)},
+ {"term_setansicolors", 2, 2, FEARG_1, arg2_buffer_list_any,
+ ret_void,
+#if defined(FEAT_TERMINAL) && (defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS))
+ f_term_setansicolors
+#else
+ NULL
+#endif
+ },
+ {"term_setapi", 2, 2, FEARG_1, arg2_buffer_string,
+ ret_void, TERM_FUNC(f_term_setapi)},
+ {"term_setkill", 2, 2, FEARG_1, arg2_buffer_string,
+ ret_void, TERM_FUNC(f_term_setkill)},
+ {"term_setrestore", 2, 2, FEARG_1, arg2_buffer_string,
+ ret_void, TERM_FUNC(f_term_setrestore)},
+ {"term_setsize", 3, 3, FEARG_1, arg3_buffer_number_number,
+ ret_void, TERM_FUNC(f_term_setsize)},
+ {"term_start", 1, 2, FEARG_1, arg2_string_or_list_dict,
+ ret_number, TERM_FUNC(f_term_start)},
+ {"term_wait", 1, 2, FEARG_1, arg2_buffer_number,
+ ret_void, TERM_FUNC(f_term_wait)},
+ {"terminalprops", 0, 0, 0, NULL,
+ ret_dict_string, f_terminalprops},
+ {"test_alloc_fail", 3, 3, FEARG_1, arg3_number,
+ ret_void, f_test_alloc_fail},
+ {"test_autochdir", 0, 0, 0, NULL,
+ ret_void, f_test_autochdir},
+ {"test_feedinput", 1, 1, FEARG_1, arg1_string,
+ ret_void, f_test_feedinput},
+ {"test_garbagecollect_now", 0, 0, 0, NULL,
+ ret_void, f_test_garbagecollect_now},
+ {"test_garbagecollect_soon", 0, 0, 0, NULL,
+ ret_void, f_test_garbagecollect_soon},
+ {"test_getvalue", 1, 1, FEARG_1, arg1_string,
+ ret_number, f_test_getvalue},
+ {"test_gui_event", 2, 2, FEARG_1, arg2_string_dict,
+ ret_bool, f_test_gui_event},
+ {"test_ignore_error", 1, 1, FEARG_1, arg1_string,
+ ret_void, f_test_ignore_error},
+ {"test_mswin_event", 2, 2, FEARG_1, arg2_string_dict,
+ ret_number, f_test_mswin_event},
+ {"test_null_blob", 0, 0, 0, NULL,
+ ret_blob, f_test_null_blob},
+ {"test_null_channel", 0, 0, 0, NULL,
+ ret_channel, JOB_FUNC(f_test_null_channel)},
+ {"test_null_dict", 0, 0, 0, NULL,
+ ret_dict_any, f_test_null_dict},
+ {"test_null_function", 0, 0, 0, NULL,
+ ret_func_any, f_test_null_function},
+ {"test_null_job", 0, 0, 0, NULL,
+ ret_job, JOB_FUNC(f_test_null_job)},
+ {"test_null_list", 0, 0, 0, NULL,
+ ret_list_any, f_test_null_list},
+ {"test_null_partial", 0, 0, 0, NULL,
+ ret_func_any, f_test_null_partial},
+ {"test_null_string", 0, 0, 0, NULL,
+ ret_string, f_test_null_string},
+ {"test_option_not_set", 1, 1, FEARG_1, arg1_string,
+ ret_void, f_test_option_not_set},
+ {"test_override", 2, 2, FEARG_2, arg2_string_number,
+ ret_void, f_test_override},
+ {"test_refcount", 1, 1, FEARG_1, NULL,
+ ret_number, f_test_refcount},
+ {"test_setmouse", 2, 2, 0, arg2_number,
+ ret_void, f_test_setmouse},
+ {"test_settime", 1, 1, FEARG_1, arg1_number,
+ ret_void, f_test_settime},
+ {"test_srand_seed", 0, 1, FEARG_1, arg1_number,
+ ret_void, f_test_srand_seed},
+ {"test_unknown", 0, 0, 0, NULL,
+ ret_any, f_test_unknown},
+ {"test_void", 0, 0, 0, NULL,
+ ret_void, f_test_void},
+ {"timer_info", 0, 1, FEARG_1, arg1_number,
+ ret_list_dict_any, TIMER_FUNC(f_timer_info)},
+ {"timer_pause", 2, 2, FEARG_1, arg2_number_bool,
+ ret_void, TIMER_FUNC(f_timer_pause)},
+ {"timer_start", 2, 3, FEARG_1, arg3_number_any_dict,
+ ret_number, TIMER_FUNC(f_timer_start)},
+ {"timer_stop", 1, 1, FEARG_1, arg1_number,
+ ret_void, TIMER_FUNC(f_timer_stop)},
+ {"timer_stopall", 0, 0, 0, NULL,
+ ret_void, TIMER_FUNC(f_timer_stopall)},
+ {"tolower", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_tolower},
+ {"toupper", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_toupper},
+ {"tr", 3, 3, FEARG_1, arg3_string,
+ ret_string, f_tr},
+ {"trim", 1, 3, FEARG_1, arg3_string_string_number,
+ ret_string, f_trim},
+ {"trunc", 1, 1, FEARG_1, arg1_float_or_nr,
+ ret_float, f_trunc},
+ {"type", 1, 1, FEARG_1, NULL,
+ ret_number, f_type},
+ {"typename", 1, 1, FEARG_1, NULL,
+ ret_string, f_typename},
+ {"undofile", 1, 1, FEARG_1, arg1_string,
+ ret_string, f_undofile},
+ {"undotree", 0, 0, 0, NULL,
+ ret_dict_any, f_undotree},
+ {"uniq", 1, 3, FEARG_1, arg13_sortuniq,
+ ret_first_arg, f_uniq},
+ {"values", 1, 1, FEARG_1, arg1_dict_any,
+ ret_list_member, f_values},
+ {"virtcol", 1, 2, FEARG_1, arg2_string_or_list_bool,
+ ret_virtcol, f_virtcol},
+ {"virtcol2col", 3, 3, FEARG_1, arg3_number,
+ ret_number, f_virtcol2col},
+ {"visualmode", 0, 1, 0, arg1_bool,
+ ret_string, f_visualmode},
+ {"wildmenumode", 0, 0, 0, NULL,
+ ret_number, f_wildmenumode},
+ {"win_execute", 2, 3, FEARG_2, arg23_win_execute,
+ ret_string, f_win_execute},
+ {"win_findbuf", 1, 1, FEARG_1, arg1_number,
+ ret_list_number, f_win_findbuf},
+ {"win_getid", 0, 2, FEARG_1, arg2_number,
+ ret_number, f_win_getid},
+ {"win_gettype", 0, 1, FEARG_1, arg1_number,
+ ret_string, f_win_gettype},
+ {"win_gotoid", 1, 1, FEARG_1, arg1_number,
+ ret_number_bool, f_win_gotoid},
+ {"win_id2tabwin", 1, 1, FEARG_1, arg1_number,
+ ret_list_number, f_win_id2tabwin},
+ {"win_id2win", 1, 1, FEARG_1, arg1_number,
+ ret_number, f_win_id2win},
+ {"win_move_separator", 2, 2, FEARG_1, arg2_number,
+ ret_number_bool, f_win_move_separator},
+ {"win_move_statusline", 2, 2, FEARG_1, arg2_number,
+ ret_number_bool, f_win_move_statusline},
+ {"win_screenpos", 1, 1, FEARG_1, arg1_number,
+ ret_list_number, f_win_screenpos},
+ {"win_splitmove", 2, 3, FEARG_1, arg3_number_number_dict,
+ ret_number_bool, f_win_splitmove},
+ {"winbufnr", 1, 1, FEARG_1, arg1_number,
+ ret_number, f_winbufnr},
+ {"wincol", 0, 0, 0, NULL,
+ ret_number, f_wincol},
+ {"windowsversion", 0, 0, 0, NULL,
+ ret_string, f_windowsversion},
+ {"winheight", 1, 1, FEARG_1, arg1_number,
+ ret_number, f_winheight},
+ {"winlayout", 0, 1, FEARG_1, arg1_number,
+ ret_list_any, f_winlayout},
+ {"winline", 0, 0, 0, NULL,
+ ret_number, f_winline},
+ {"winnr", 0, 1, FEARG_1, arg1_string,
+ ret_number, f_winnr},
+ {"winrestcmd", 0, 0, 0, NULL,
+ ret_string, f_winrestcmd},
+ {"winrestview", 1, 1, FEARG_1, arg1_dict_any,
+ ret_void, f_winrestview},
+ {"winsaveview", 0, 0, 0, NULL,
+ ret_dict_number, f_winsaveview},
+ {"winwidth", 1, 1, FEARG_1, arg1_number,
+ ret_number, f_winwidth},
+ {"wordcount", 0, 0, 0, NULL,
+ ret_dict_number, f_wordcount},
+ {"writefile", 2, 3, FEARG_1, arg23_writefile,
+ ret_number_bool, f_writefile},
+ {"xor", 2, 2, FEARG_1, arg2_number,
+ ret_number, f_xor},
+};
+
+/*
+ * Function given to ExpandGeneric() to obtain the list of internal
+ * or user defined function names.
+ */
+ char_u *
+get_function_name(expand_T *xp, int idx)
+{
+ static int intidx = -1;
+ char_u *name;
+
+ if (idx == 0)
+ intidx = -1;
+ if (intidx < 0)
+ {
+ name = get_user_func_name(xp, idx);
+ if (name != NULL)
+ {
+ if (*name != NUL && *name != '<'
+ && STRNCMP("g:", xp->xp_pattern, 2) == 0)
+ return cat_prefix_varname('g', name);
+ return name;
+ }
+ }
+ if (++intidx < (int)ARRAY_LENGTH(global_functions))
+ {
+ // Skip if the function doesn't have an implementation (feature not
+ // implemented).
+ if (global_functions[intidx].f_func == NULL)
+ return (char_u *)"";
+ STRCPY(IObuff, global_functions[intidx].f_name);
+ STRCAT(IObuff, "(");
+ if (global_functions[intidx].f_max_argc == 0)
+ STRCAT(IObuff, ")");
+ return IObuff;
+ }
+
+ return NULL;
+}
+
+/*
+ * Function given to ExpandGeneric() to obtain the list of internal or
+ * user defined variable or function names.
+ */
+ char_u *
+get_expr_name(expand_T *xp, int idx)
+{
+ static int intidx = -1;
+ char_u *name;
+
+ if (idx == 0)
+ intidx = -1;
+ if (intidx < 0)
+ {
+ name = get_function_name(xp, idx);
+ if (name != NULL)
+ return name;
+ }
+ return get_user_var_name(xp, ++intidx);
+}
+
+/*
+ * Find internal function "name" in table "global_functions".
+ * Return index, or -1 if not found or "implemented" is TRUE and the function
+ * is not implemented.
+ */
+ static int
+find_internal_func_opt(char_u *name, int implemented)
+{
+ int first = 0;
+ int last;
+ int cmp;
+ int x;
+
+ last = (int)ARRAY_LENGTH(global_functions) - 1;
+
+ // Find the function name in the table. Binary search.
+ while (first <= last)
+ {
+ x = first + ((unsigned)(last - first) >> 1);
+ cmp = STRCMP(name, global_functions[x].f_name);
+ if (cmp < 0)
+ last = x - 1;
+ else if (cmp > 0)
+ first = x + 1;
+ else if (implemented && global_functions[x].f_func == NULL)
+ break;
+ else
+ return x;
+ }
+ return -1;
+}
+
+/*
+ * Find internal function "name" in table "global_functions".
+ * Return index, or -1 if not found or the function is not implemented.
+ */
+ int
+find_internal_func(char_u *name)
+{
+ return find_internal_func_opt(name, TRUE);
+}
+
+ int
+has_internal_func(char_u *name)
+{
+ return find_internal_func_opt(name, TRUE) >= 0;
+}
+
+ static int
+has_internal_func_name(char_u *name)
+{
+ return find_internal_func_opt(name, FALSE) >= 0;
+}
+
+ char *
+internal_func_name(int idx)
+{
+ return global_functions[idx].f_name;
+}
+
+/*
+ * Check the argument types for builtin function "idx".
+ * Uses the list of types on the type stack: "types".
+ * Return FAIL and gives an error message when a type is wrong.
+ */
+ int
+internal_func_check_arg_types(
+ type2_T *types,
+ int idx,
+ int argcount,
+ cctx_T *cctx)
+{
+ argcheck_T *argchecks = global_functions[idx].f_argcheck;
+
+ if (argchecks == NULL)
+ return OK;
+
+ argcontext_T context;
+
+ context.arg_count = argcount;
+ context.arg_types = types;
+ context.arg_cctx = cctx;
+ for (int i = 0; i < argcount; ++i)
+ if (argchecks[i] != NULL)
+ {
+ context.arg_idx = i;
+ if (argchecks[i](types[i].type_curr, types[i].type_decl,
+ &context) == FAIL)
+ return FAIL;
+ }
+ return OK;
+}
+
+/*
+ * Get the argument count for function "idx".
+ * "argcount" is the total argument count, "min_argcount" the non-optional
+ * argument count.
+ */
+ void
+internal_func_get_argcount(int idx, int *argcount, int *min_argcount)
+{
+ *argcount = global_functions[idx].f_max_argc;
+ *min_argcount = global_functions[idx].f_min_argc;
+}
+
+/*
+ * Call the "f_retfunc" function to obtain the return type of function "idx".
+ * "decl_type" is set to the declared type.
+ * "argtypes" is the list of argument types or NULL when there are no
+ * arguments.
+ * "argcount" may be less than the actual count when only getting the type.
+ */
+ type_T *
+internal_func_ret_type(
+ int idx,
+ int argcount,
+ type2_T *argtypes,
+ type_T **decl_type,
+ garray_T *type_gap)
+{
+ type_T *ret;
+
+ current_type_gap = type_gap;
+ *decl_type = NULL;
+ ret = global_functions[idx].f_retfunc(argcount, argtypes, decl_type);
+ if (*decl_type == NULL)
+ *decl_type = ret;
+ current_type_gap = NULL;
+ return ret;
+}
+
+/*
+ * Return TRUE if "idx" is for the map() function.
+ */
+ int
+internal_func_is_map(int idx)
+{
+ return global_functions[idx].f_func == f_map;
+}
+
+/*
+ * Check the argument count to use for internal function "idx".
+ * Returns -1 for failure, 0 if no method base accepted, 1 if method base is
+ * first argument, 2 if method base is second argument, etc. 9 if method base
+ * is last argument.
+ */
+ int
+check_internal_func(int idx, int argcount)
+{
+ funcerror_T res;
+ char *name;
+
+ if (argcount < global_functions[idx].f_min_argc)
+ res = FCERR_TOOFEW;
+ else if (argcount > global_functions[idx].f_max_argc)
+ res = FCERR_TOOMANY;
+ else
+ return global_functions[idx].f_argtype;
+
+ name = internal_func_name(idx);
+ if (res == FCERR_TOOMANY)
+ semsg(_(e_too_many_arguments_for_function_str), name);
+ else
+ semsg(_(e_not_enough_arguments_for_function_str), name);
+ return -1;
+}
+
+ funcerror_T
+call_internal_func(
+ char_u *name,
+ int argcount,
+ typval_T *argvars,
+ typval_T *rettv)
+{
+ int i;
+
+ i = find_internal_func(name);
+ if (i < 0)
+ return FCERR_UNKNOWN;
+ if (argcount < global_functions[i].f_min_argc)
+ return FCERR_TOOFEW;
+ if (argcount > global_functions[i].f_max_argc)
+ return FCERR_TOOMANY;
+ argvars[argcount].v_type = VAR_UNKNOWN;
+ global_functions[i].f_func(argvars, rettv);
+ return FCERR_NONE;
+}
+
+ void
+call_internal_func_by_idx(
+ int idx,
+ typval_T *argvars,
+ typval_T *rettv)
+{
+ global_functions[idx].f_func(argvars, rettv);
+}
+
+/*
+ * Invoke a method for base->method().
+ */
+ funcerror_T
+call_internal_method(
+ char_u *name,
+ int argcount,
+ typval_T *argvars,
+ typval_T *rettv,
+ typval_T *basetv)
+{
+ int fi;
+ typval_T argv[MAX_FUNC_ARGS + 1];
+
+ fi = find_internal_func(name);
+ if (fi < 0)
+ return FCERR_UNKNOWN;
+ if (global_functions[fi].f_argtype == 0)
+ return FCERR_NOTMETHOD;
+ if (argcount + 1 < global_functions[fi].f_min_argc)
+ return FCERR_TOOFEW;
+ if (argcount + 1 > global_functions[fi].f_max_argc)
+ return FCERR_TOOMANY;
+
+ if (global_functions[fi].f_argtype == FEARG_2)
+ {
+ // base value goes second
+ argv[0] = argvars[0];
+ argv[1] = *basetv;
+ for (int i = 1; i < argcount; ++i)
+ argv[i + 1] = argvars[i];
+ }
+ else if (global_functions[fi].f_argtype == FEARG_3)
+ {
+ // base value goes third
+ argv[0] = argvars[0];
+ argv[1] = argvars[1];
+ argv[2] = *basetv;
+ for (int i = 2; i < argcount; ++i)
+ argv[i + 1] = argvars[i];
+ }
+ else if (global_functions[fi].f_argtype == FEARG_4)
+ {
+ // base value goes fourth
+ argv[0] = argvars[0];
+ argv[1] = argvars[1];
+ argv[2] = argvars[2];
+ argv[3] = *basetv;
+ for (int i = 3; i < argcount; ++i)
+ argv[i + 1] = argvars[i];
+ }
+ else
+ {
+ // FEARG_1: base value goes first
+ argv[0] = *basetv;
+ for (int i = 0; i < argcount; ++i)
+ argv[i + 1] = argvars[i];
+ }
+ argv[argcount + 1].v_type = VAR_UNKNOWN;
+
+ global_functions[fi].f_func(argv, rettv);
+ return FCERR_NONE;
+}
+
+/*
+ * Return TRUE for a non-zero Number and a non-empty String.
+ */
+ int
+non_zero_arg(typval_T *argvars)
+{
+ return ((argvars[0].v_type == VAR_NUMBER
+ && argvars[0].vval.v_number != 0)
+ || (argvars[0].v_type == VAR_BOOL
+ && argvars[0].vval.v_number == VVAL_TRUE)
+ || (argvars[0].v_type == VAR_STRING
+ && argvars[0].vval.v_string != NULL
+ && *argvars[0].vval.v_string != NUL));
+}
+
+/*
+ * "and(expr, expr)" function
+ */
+ static void
+f_and(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ rettv->vval.v_number = tv_get_number_chk(&argvars[0], NULL)
+ & tv_get_number_chk(&argvars[1], NULL);
+}
+
+/*
+ * "balloon_show()" function
+ */
+#ifdef FEAT_BEVAL
+ static void
+f_balloon_gettext(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->v_type = VAR_STRING;
+ if (balloonEval == NULL)
+ return;
+
+ if (balloonEval->msg == NULL)
+ rettv->vval.v_string = NULL;
+ else
+ rettv->vval.v_string = vim_strsave(balloonEval->msg);
+}
+
+ static void
+f_balloon_show(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ if (balloonEval == NULL)
+ return;
+
+ if (in_vim9script()
+ && check_for_string_or_list_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type == VAR_LIST
+# ifdef FEAT_GUI
+ && !gui.in_use
+# endif
+ )
+ {
+ list_T *l = argvars[0].vval.v_list;
+
+ // empty list removes the balloon
+ post_balloon(balloonEval, NULL,
+ l == NULL || l->lv_len == 0 ? NULL : l);
+ }
+ else
+ {
+ char_u *mesg;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ mesg = tv_get_string_chk(&argvars[0]);
+ if (mesg != NULL)
+ // empty string removes the balloon
+ post_balloon(balloonEval, *mesg == NUL ? NULL : mesg, NULL);
+ }
+}
+
+# if defined(FEAT_BEVAL_TERM)
+ static void
+f_balloon_split(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ if (rettv_list_alloc(rettv) != OK)
+ return;
+
+ char_u *msg;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+ msg = tv_get_string_chk(&argvars[0]);
+ if (msg != NULL)
+ {
+ pumitem_T *array;
+ int size = split_message(msg, &array);
+
+ // Skip the first and last item, they are always empty.
+ for (int i = 1; i < size - 1; ++i)
+ list_append_string(rettv->vval.v_list, array[i].pum_text, -1);
+ while (size > 0)
+ vim_free(array[--size].pum_text);
+ vim_free(array);
+ }
+}
+# endif
+#endif
+
+/*
+ * Get the buffer from "arg" and give an error and return NULL if it is not
+ * valid.
+ */
+ buf_T *
+get_buf_arg(typval_T *arg)
+{
+ buf_T *buf;
+
+ ++emsg_off;
+ buf = tv_get_buf(arg, FALSE);
+ --emsg_off;
+ if (buf == NULL)
+ semsg(_(e_invalid_buffer_name_str), tv_get_string(arg));
+ return buf;
+}
+
+/*
+ * "byte2line(byte)" function
+ */
+ static void
+f_byte2line(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifndef FEAT_BYTEOFF
+ rettv->vval.v_number = -1;
+#else
+ long boff = 0;
+
+ if (in_vim9script() && check_for_number_arg(argvars, 0) == FAIL)
+ return;
+
+ boff = tv_get_number(&argvars[0]) - 1; // boff gets -1 on type error
+ if (boff < 0)
+ rettv->vval.v_number = -1;
+ else
+ rettv->vval.v_number = ml_find_line_or_offset(curbuf,
+ (linenr_T)0, &boff);
+#endif
+}
+
+/*
+ * "call(func, arglist [, dict])" function
+ */
+ static void
+f_call(typval_T *argvars, typval_T *rettv)
+{
+ char_u *func;
+ partial_T *partial = NULL;
+ dict_T *selfdict = NULL;
+ char_u *dot;
+ char_u *tofree = NULL;
+
+ if (in_vim9script()
+ && (check_for_string_or_func_arg(argvars, 0) == FAIL
+ || check_for_list_arg(argvars, 1) == FAIL
+ || check_for_opt_dict_arg(argvars, 2) == FAIL))
+ return;
+
+ if (check_for_list_arg(argvars, 1) == FAIL)
+ return;
+ if (argvars[1].vval.v_list == NULL)
+ return;
+
+ if (argvars[0].v_type == VAR_FUNC)
+ func = argvars[0].vval.v_string;
+ else if (argvars[0].v_type == VAR_PARTIAL)
+ {
+ partial = argvars[0].vval.v_partial;
+ func = partial_name(partial);
+ }
+ else
+ func = tv_get_string(&argvars[0]);
+ if (func == NULL || *func == NUL)
+ return; // type error, empty name or null function
+
+ dot = vim_strchr(func, '.');
+ if (dot != NULL)
+ {
+ imported_T *import = find_imported(func, dot - func, TRUE);
+
+ if (import != NULL && SCRIPT_ID_VALID(import->imp_sid))
+ {
+ scriptitem_T *si = SCRIPT_ITEM(import->imp_sid);
+
+ if (si->sn_autoload_prefix != NULL)
+ {
+ // Turn "import.Func" into "scriptname#Func".
+ tofree = concat_str(si->sn_autoload_prefix, dot + 1);
+ if (tofree == NULL)
+ return;
+ func = tofree;
+ }
+ }
+ }
+
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ if (check_for_dict_arg(argvars, 2) == FAIL)
+ return;
+
+ selfdict = argvars[2].vval.v_dict;
+ }
+
+ (void)func_call(func, &argvars[1], partial, selfdict, rettv);
+
+ vim_free(tofree);
+}
+
+/*
+ * "changenr()" function
+ */
+ static void
+f_changenr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->vval.v_number = curbuf->b_u_seq_cur;
+}
+
+/*
+ * "char2nr(string)" function
+ */
+ static void
+f_char2nr(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_bool_arg(argvars, 1) == FAIL))
+ return;
+
+ if (has_mbyte)
+ {
+ int utf8 = 0;
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ utf8 = (int)tv_get_bool_chk(&argvars[1], NULL);
+
+ if (utf8)
+ rettv->vval.v_number = utf_ptr2char(tv_get_string(&argvars[0]));
+ else
+ rettv->vval.v_number = (*mb_ptr2char)(tv_get_string(&argvars[0]));
+ }
+ else
+ rettv->vval.v_number = tv_get_string(&argvars[0])[0];
+}
+
+/*
+ * Get the current cursor column and store it in 'rettv'. If 'charcol' is TRUE,
+ * returns the character index of the column. Otherwise, returns the byte index
+ * of the column.
+ */
+ static void
+get_col(typval_T *argvars, typval_T *rettv, int charcol)
+{
+ colnr_T col = 0;
+ pos_T *fp;
+ switchwin_T switchwin;
+ int winchanged = FALSE;
+
+ if (check_for_string_or_list_arg(argvars, 0) == FAIL
+ || check_for_opt_number_arg(argvars, 1) == FAIL)
+ return;
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ tabpage_T *tp;
+ win_T *wp;
+
+ // use the window specified in the second argument
+ wp = win_id2wp_tp((int)tv_get_number(&argvars[1]), &tp);
+ if (wp == NULL || tp == NULL)
+ return;
+
+ if (switch_win_noblock(&switchwin, wp, tp, TRUE) != OK)
+ return;
+
+ check_cursor();
+ winchanged = TRUE;
+ }
+
+ int fnum = curbuf->b_fnum;
+ fp = var2fpos(&argvars[0], FALSE, &fnum, charcol);
+ if (fp != NULL && fnum == curbuf->b_fnum)
+ {
+ if (fp->col == MAXCOL)
+ {
+ // '> can be MAXCOL, get the length of the line then
+ if (fp->lnum <= curbuf->b_ml.ml_line_count)
+ col = (colnr_T)STRLEN(ml_get(fp->lnum)) + 1;
+ else
+ col = MAXCOL;
+ }
+ else
+ {
+ col = fp->col + 1;
+ // col(".") when the cursor is on the NUL at the end of the line
+ // because of "coladd" can be seen as an extra column.
+ if (virtual_active() && fp == &curwin->w_cursor)
+ {
+ char_u *p = ml_get_cursor();
+
+ if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p,
+ curwin->w_virtcol - curwin->w_cursor.coladd))
+ {
+ int l;
+
+ if (*p != NUL && p[(l = (*mb_ptr2len)(p))] == NUL)
+ col += l;
+ }
+ }
+ }
+ }
+ rettv->vval.v_number = col;
+
+ if (winchanged)
+ restore_win_noblock(&switchwin, TRUE);
+}
+
+/*
+ * "charcol()" function
+ */
+ static void
+f_charcol(typval_T *argvars, typval_T *rettv)
+{
+ get_col(argvars, rettv, TRUE);
+}
+
+ win_T *
+get_optional_window(typval_T *argvars, int idx)
+{
+ win_T *win = curwin;
+
+ if (argvars[idx].v_type == VAR_UNKNOWN)
+ return curwin;
+
+ win = find_win_by_nr_or_id(&argvars[idx]);
+ if (win == NULL)
+ {
+ emsg(_(e_invalid_window_number));
+ return NULL;
+ }
+ return win;
+}
+
+/*
+ * "col(string)" function
+ */
+ static void
+f_col(typval_T *argvars, typval_T *rettv)
+{
+ get_col(argvars, rettv, FALSE);
+}
+
+/*
+ * "confirm(message, buttons[, default [, type]])" function
+ */
+ static void
+f_confirm(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)
+ char_u *message;
+ char_u *buttons = NULL;
+ char_u buf[NUMBUFLEN];
+ char_u buf2[NUMBUFLEN];
+ int def = 1;
+ int type = VIM_GENERIC;
+ char_u *typestr;
+ int error = FALSE;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || (check_for_opt_string_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && (check_for_opt_number_arg(argvars, 2) == FAIL
+ || (argvars[2].v_type != VAR_UNKNOWN
+ && check_for_opt_string_arg(argvars, 3) == FAIL))))))
+ return;
+
+ message = tv_get_string_chk(&argvars[0]);
+ if (message == NULL)
+ error = TRUE;
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ buttons = tv_get_string_buf_chk(&argvars[1], buf);
+ if (buttons == NULL)
+ error = TRUE;
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ def = (int)tv_get_number_chk(&argvars[2], &error);
+ if (argvars[3].v_type != VAR_UNKNOWN)
+ {
+ typestr = tv_get_string_buf_chk(&argvars[3], buf2);
+ if (typestr == NULL)
+ error = TRUE;
+ else
+ {
+ switch (TOUPPER_ASC(*typestr))
+ {
+ case 'E': type = VIM_ERROR; break;
+ case 'Q': type = VIM_QUESTION; break;
+ case 'I': type = VIM_INFO; break;
+ case 'W': type = VIM_WARNING; break;
+ case 'G': type = VIM_GENERIC; break;
+ }
+ }
+ }
+ }
+ }
+
+ if (buttons == NULL || *buttons == NUL)
+ buttons = (char_u *)_("&Ok");
+
+ if (!error)
+ rettv->vval.v_number = do_dialog(type, NULL, message, buttons,
+ def, NULL, FALSE);
+#endif
+}
+
+/*
+ * "copy()" function
+ */
+ static void
+f_copy(typval_T *argvars, typval_T *rettv)
+{
+ item_copy(&argvars[0], rettv, FALSE, TRUE, 0);
+}
+
+/*
+ * Set the cursor position.
+ * If 'charcol' is TRUE, then use the column number as a character offset.
+ * Otherwise use the column number as a byte offset.
+ */
+ static void
+set_cursorpos(typval_T *argvars, typval_T *rettv, int charcol)
+{
+ long lnum, col;
+ long coladd = 0;
+ int set_curswant = TRUE;
+
+ if (in_vim9script()
+ && (check_for_string_or_number_or_list_arg(argvars, 0) == FAIL
+ || check_for_opt_number_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_number_arg(argvars, 2) == FAIL)))
+ return;
+
+ rettv->vval.v_number = -1;
+ if (argvars[0].v_type == VAR_LIST)
+ {
+ pos_T pos;
+ colnr_T curswant = -1;
+
+ if (list2fpos(argvars, &pos, NULL, &curswant, charcol) == FAIL)
+ {
+ emsg(_(e_invalid_argument));
+ return;
+ }
+ lnum = pos.lnum;
+ col = pos.col;
+ coladd = pos.coladd;
+ if (curswant >= 0)
+ {
+ curwin->w_curswant = curswant - 1;
+ set_curswant = FALSE;
+ }
+ }
+ else if ((argvars[0].v_type == VAR_NUMBER
+ || argvars[0].v_type == VAR_STRING)
+ && (argvars[1].v_type == VAR_NUMBER
+ || argvars[1].v_type == VAR_STRING))
+ {
+ lnum = tv_get_lnum(argvars);
+ if (lnum < 0)
+ semsg(_(e_invalid_argument_str), tv_get_string(&argvars[0]));
+ else if (lnum == 0)
+ lnum = curwin->w_cursor.lnum;
+ col = (long)tv_get_number_chk(&argvars[1], NULL);
+ if (charcol)
+ col = buf_charidx_to_byteidx(curbuf, lnum, col) + 1;
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ coladd = (long)tv_get_number_chk(&argvars[2], NULL);
+ }
+ else
+ {
+ emsg(_(e_invalid_argument));
+ return;
+ }
+ if (lnum < 0 || col < 0 || coladd < 0)
+ return; // type error; errmsg already given
+ if (lnum > 0)
+ curwin->w_cursor.lnum = lnum;
+ if (col > 0)
+ curwin->w_cursor.col = col - 1;
+ curwin->w_cursor.coladd = coladd;
+
+ // Make sure the cursor is in a valid position.
+ check_cursor();
+ // Correct cursor for multi-byte character.
+ if (has_mbyte)
+ mb_adjust_cursor();
+
+ curwin->w_set_curswant = set_curswant;
+ rettv->vval.v_number = 0;
+}
+
+/*
+ * "cursor(lnum, col)" function, or
+ * "cursor(list)"
+ *
+ * Moves the cursor to the specified line and column.
+ * Returns 0 when the position could be set, -1 otherwise.
+ */
+ static void
+f_cursor(typval_T *argvars, typval_T *rettv)
+{
+ set_cursorpos(argvars, rettv, FALSE);
+}
+
+#ifdef MSWIN
+/*
+ * "debugbreak()" function
+ */
+ static void
+f_debugbreak(typval_T *argvars, typval_T *rettv)
+{
+ int pid;
+
+ rettv->vval.v_number = FAIL;
+ if (in_vim9script() && check_for_number_arg(argvars, 0) == FAIL)
+ return;
+
+ pid = (int)tv_get_number(&argvars[0]);
+ if (pid == 0)
+ {
+ emsg(_(e_invalid_argument));
+ return;
+ }
+
+ HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, 0, pid);
+ if (hProcess == NULL)
+ return;
+
+ DebugBreakProcess(hProcess);
+ CloseHandle(hProcess);
+ rettv->vval.v_number = OK;
+}
+#endif
+
+/*
+ * "deepcopy()" function
+ */
+ static void
+f_deepcopy(typval_T *argvars, typval_T *rettv)
+{
+ varnumber_T noref = 0;
+
+ if (check_for_opt_bool_arg(argvars, 1) == FAIL)
+ return;
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ noref = tv_get_bool_chk(&argvars[1], NULL);
+
+ item_copy(&argvars[0], rettv, TRUE, TRUE, noref == 0 ? get_copyID() : 0);
+}
+
+/*
+ * "did_filetype()" function
+ */
+ static void
+f_did_filetype(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ rettv->vval.v_number = did_filetype;
+}
+
+/*
+ * "echoraw({expr})" function
+ */
+ static void
+f_echoraw(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ char_u *str;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ str = tv_get_string_chk(&argvars[0]);
+ if (str != NULL && *str != NUL)
+ {
+ out_str(str);
+ out_flush();
+ }
+}
+
+/*
+ * "empty({expr})" function
+ */
+ static void
+f_empty(typval_T *argvars, typval_T *rettv)
+{
+ int n = FALSE;
+
+ switch (argvars[0].v_type)
+ {
+ case VAR_STRING:
+ case VAR_FUNC:
+ n = argvars[0].vval.v_string == NULL
+ || *argvars[0].vval.v_string == NUL;
+ break;
+ case VAR_PARTIAL:
+ n = FALSE;
+ break;
+ case VAR_NUMBER:
+ n = argvars[0].vval.v_number == 0;
+ break;
+ case VAR_FLOAT:
+ n = argvars[0].vval.v_float == 0.0;
+ break;
+ case VAR_LIST:
+ n = argvars[0].vval.v_list == NULL
+ || argvars[0].vval.v_list->lv_len == 0;
+ break;
+ case VAR_DICT:
+ n = argvars[0].vval.v_dict == NULL
+ || argvars[0].vval.v_dict->dv_hashtab.ht_used == 0;
+ break;
+ case VAR_BOOL:
+ case VAR_SPECIAL:
+ n = argvars[0].vval.v_number != VVAL_TRUE;
+ break;
+ case VAR_CLASS:
+ n = argvars[0].vval.v_class != NULL;
+ break;
+ case VAR_OBJECT:
+ n = argvars[0].vval.v_object != NULL;
+ break;
+
+ case VAR_BLOB:
+ n = argvars[0].vval.v_blob == NULL
+ || argvars[0].vval.v_blob->bv_ga.ga_len == 0;
+ break;
+
+ case VAR_JOB:
+#ifdef FEAT_JOB_CHANNEL
+ n = argvars[0].vval.v_job == NULL
+ || argvars[0].vval.v_job->jv_status != JOB_STARTED;
+ break;
+#endif
+ case VAR_CHANNEL:
+#ifdef FEAT_JOB_CHANNEL
+ n = argvars[0].vval.v_channel == NULL
+ || !channel_is_open(argvars[0].vval.v_channel);
+ break;
+#endif
+ case VAR_UNKNOWN:
+ case VAR_ANY:
+ case VAR_VOID:
+ case VAR_INSTR:
+ internal_error_no_abort("f_empty(UNKNOWN)");
+ n = TRUE;
+ break;
+ }
+
+ rettv->vval.v_number = n;
+}
+
+/*
+ * "environ()" function
+ */
+ static void
+f_environ(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#if !defined(AMIGA)
+ int i = 0;
+ char_u *entry, *value;
+# if defined (MSWIN)
+# if !defined(_UCRT)
+ extern wchar_t **_wenviron;
+# endif
+# else
+ extern char **environ;
+# endif
+
+ if (rettv_dict_alloc(rettv) == FAIL)
+ return;
+
+# ifdef MSWIN
+ if (*_wenviron == NULL)
+ return;
+# else
+ if (*environ == NULL)
+ return;
+# endif
+
+ for (i = 0; ; ++i)
+ {
+# ifdef MSWIN
+ short_u *p;
+
+ if ((p = (short_u *)_wenviron[i]) == NULL)
+ return;
+ entry = utf16_to_enc(p, NULL);
+# else
+ if ((entry = (char_u *)environ[i]) == NULL)
+ return;
+ entry = vim_strsave(entry);
+# endif
+ if (entry == NULL) // out of memory
+ return;
+ if ((value = vim_strchr(entry, '=')) == NULL)
+ {
+ vim_free(entry);
+ continue;
+ }
+ *value++ = NUL;
+ dict_add_string(rettv->vval.v_dict, (char *)entry, value);
+ vim_free(entry);
+ }
+#endif
+}
+
+/*
+ * "escape({string}, {chars})" function
+ */
+ static void
+f_escape(typval_T *argvars, typval_T *rettv)
+{
+ char_u buf[NUMBUFLEN];
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL))
+ return;
+
+ rettv->vval.v_string = vim_strsave_escaped(tv_get_string(&argvars[0]),
+ tv_get_string_buf(&argvars[1], buf));
+ rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "eval()" function
+ */
+ static void
+f_eval(typval_T *argvars, typval_T *rettv)
+{
+ char_u *s, *p;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ s = tv_get_string_chk(&argvars[0]);
+ if (s != NULL)
+ s = skipwhite(s);
+
+ p = s;
+ if (s == NULL || eval1(&s, rettv, &EVALARG_EVALUATE) == FAIL)
+ {
+ if (p != NULL && !aborting())
+ semsg(_(e_invalid_expression_str), p);
+ need_clr_eos = FALSE;
+ rettv->v_type = VAR_NUMBER;
+ rettv->vval.v_number = 0;
+ }
+ else if (*s != NUL)
+ semsg(_(e_trailing_characters_str), s);
+}
+
+/*
+ * "eventhandler()" function
+ */
+ static void
+f_eventhandler(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->vval.v_number = vgetc_busy || input_busy;
+}
+
+static garray_T redir_execute_ga;
+
+/*
+ * Append "value[value_len]" to the execute() output.
+ */
+ void
+execute_redir_str(char_u *value, int value_len)
+{
+ int len;
+
+ if (value_len == -1)
+ len = (int)STRLEN(value); // Append the entire string
+ else
+ len = value_len; // Append only "value_len" characters
+ if (ga_grow(&redir_execute_ga, len) == FAIL)
+ return;
+
+ mch_memmove((char *)redir_execute_ga.ga_data
+ + redir_execute_ga.ga_len, value, len);
+ redir_execute_ga.ga_len += len;
+}
+
+#if defined(FEAT_LUA) || defined(PROTO)
+/*
+ * Get next line from a string containing NL separated lines.
+ * Called by do_cmdline() to get the next line.
+ * Returns an allocated string, or NULL when at the end of the string.
+ */
+ static char_u *
+get_str_line(
+ int c UNUSED,
+ void *cookie,
+ int indent UNUSED,
+ getline_opt_T options UNUSED)
+{
+ char_u *start = *(char_u **)cookie;
+ char_u *line;
+ char_u *p;
+
+ p = start;
+ if (p == NULL || *p == NUL)
+ return NULL;
+ p = vim_strchr(p, '\n');
+ if (p == NULL)
+ line = vim_strsave(start);
+ else
+ {
+ line = vim_strnsave(start, p - start);
+ p++;
+ }
+
+ *(char_u **)cookie = p;
+ return line;
+}
+
+/*
+ * Execute a series of Ex commands in 'str'
+ */
+ void
+execute_cmds_from_string(char_u *str)
+{
+ do_cmdline(NULL, get_str_line, (void *)&str,
+ DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT|DOCMD_KEYTYPED);
+}
+#endif
+
+/*
+ * Get next line from a list.
+ * Called by do_cmdline() to get the next line.
+ * Returns allocated string, or NULL for end of function.
+ */
+ char_u *
+get_list_line(
+ int c UNUSED,
+ void *cookie,
+ int indent UNUSED,
+ getline_opt_T options UNUSED)
+{
+ listitem_T **p = (listitem_T **)cookie;
+ listitem_T *item = *p;
+ char_u buf[NUMBUFLEN];
+ char_u *s;
+
+ if (item == NULL)
+ return NULL;
+ s = tv_get_string_buf_chk(&item->li_tv, buf);
+ *p = item->li_next;
+ return s == NULL ? NULL : vim_strsave(s);
+}
+
+/*
+ * "execute()" function
+ */
+ void
+execute_common(typval_T *argvars, typval_T *rettv, int arg_off)
+{
+ char_u *cmd = NULL;
+ list_T *list = NULL;
+ int save_msg_silent = msg_silent;
+ int save_emsg_silent = emsg_silent;
+ int save_emsg_noredir = emsg_noredir;
+ int save_redir_execute = redir_execute;
+ int save_redir_off = redir_off;
+ garray_T save_ga;
+ int save_msg_col = msg_col;
+ int save_sticky_cmdmod_flags = sticky_cmdmod_flags;
+ int echo_output = FALSE;
+
+ rettv->vval.v_string = NULL;
+ rettv->v_type = VAR_STRING;
+
+ if (argvars[arg_off].v_type == VAR_LIST)
+ {
+ list = argvars[arg_off].vval.v_list;
+ if (list == NULL || list->lv_len == 0)
+ // empty list, no commands, empty output
+ return;
+ ++list->lv_refcount;
+ }
+ else if (argvars[arg_off].v_type == VAR_JOB
+ || argvars[arg_off].v_type == VAR_CHANNEL)
+ {
+ semsg(_(e_using_invalid_value_as_string_str),
+ vartype_name(argvars[arg_off].v_type));
+ return;
+ }
+ else
+ {
+ cmd = tv_get_string_chk(&argvars[arg_off]);
+ if (cmd == NULL)
+ return;
+ }
+
+ if (argvars[arg_off + 1].v_type != VAR_UNKNOWN)
+ {
+ char_u buf[NUMBUFLEN];
+ char_u *s = tv_get_string_buf_chk_strict(&argvars[arg_off + 1], buf,
+ in_vim9script());
+
+ if (s == NULL)
+ return;
+ if (*s == NUL)
+ echo_output = TRUE;
+ if (STRNCMP(s, "silent", 6) == 0)
+ ++msg_silent;
+ if (STRCMP(s, "silent!") == 0)
+ {
+ emsg_silent = TRUE;
+ emsg_noredir = TRUE;
+ }
+ }
+ else
+ ++msg_silent;
+
+ if (redir_execute)
+ save_ga = redir_execute_ga;
+ ga_init2(&redir_execute_ga, sizeof(char), 500);
+ redir_execute = TRUE;
+ redir_off = FALSE;
+ if (!echo_output)
+ msg_col = 0; // prevent leading spaces
+
+ // For "legacy call execute('cmd')" and "vim9cmd execute('cmd')" apply the
+ // command modifiers to "cmd".
+ sticky_cmdmod_flags = cmdmod.cmod_flags & (CMOD_LEGACY | CMOD_VIM9CMD);
+ if (cmd != NULL)
+ do_cmdline_cmd(cmd);
+ else
+ {
+ listitem_T *item;
+
+ CHECK_LIST_MATERIALIZE(list);
+ item = list->lv_first;
+ do_cmdline(NULL, get_list_line, (void *)&item,
+ DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT|DOCMD_KEYTYPED);
+ --list->lv_refcount;
+ }
+ sticky_cmdmod_flags = save_sticky_cmdmod_flags;
+
+ // Need to append a NUL to the result.
+ if (ga_grow(&redir_execute_ga, 1) == OK)
+ {
+ ((char *)redir_execute_ga.ga_data)[redir_execute_ga.ga_len] = NUL;
+ rettv->vval.v_string = redir_execute_ga.ga_data;
+ }
+ else
+ {
+ ga_clear(&redir_execute_ga);
+ rettv->vval.v_string = NULL;
+ }
+ msg_silent = save_msg_silent;
+ emsg_silent = save_emsg_silent;
+ emsg_noredir = save_emsg_noredir;
+
+ redir_execute = save_redir_execute;
+ if (redir_execute)
+ redir_execute_ga = save_ga;
+ redir_off = save_redir_off;
+
+ // "silent reg" or "silent echo x" leaves msg_col somewhere in the line.
+ if (echo_output)
+ // When not working silently: put it in column zero. A following
+ // "echon" will overwrite the message, unavoidably.
+ msg_col = 0;
+ else
+ // When working silently: Put it back where it was, since nothing
+ // should have been written.
+ msg_col = save_msg_col;
+}
+
+/*
+ * "execute()" function
+ */
+ static void
+f_execute(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script()
+ && (check_for_string_or_list_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 1) == FAIL))
+ return;
+
+ execute_common(argvars, rettv, 0);
+}
+
+/*
+ * "exists()" function
+ */
+ void
+f_exists(typval_T *argvars, typval_T *rettv)
+{
+ char_u *p;
+ int n = FALSE;
+
+ if (in_vim9script() && check_for_nonempty_string_arg(argvars, 0) == FAIL)
+ return;
+
+ p = tv_get_string(&argvars[0]);
+ if (*p == '$') // environment variable
+ {
+ // first try "normal" environment variables (fast)
+ if (mch_getenv(p + 1) != NULL)
+ n = TRUE;
+ else
+ {
+ // try expanding things like $VIM and ${HOME}
+ p = expand_env_save(p);
+ if (p != NULL && *p != '$')
+ n = TRUE;
+ vim_free(p);
+ }
+ }
+ else if (*p == '&' || *p == '+') // option
+ {
+ n = (eval_option(&p, NULL, TRUE) == OK);
+ if (*skipwhite(p) != NUL)
+ n = FALSE; // trailing garbage
+ }
+ else if (*p == '*') // internal or user defined function
+ {
+ n = function_exists(p + 1, FALSE);
+ }
+ else if (*p == '?') // internal function only
+ {
+ n = has_internal_func_name(p + 1);
+ }
+ else if (*p == ':')
+ {
+ n = cmd_exists(p + 1);
+ }
+ else if (*p == '#')
+ {
+ if (p[1] == '#')
+ n = autocmd_supported(p + 2);
+ else
+ n = au_exists(p + 1);
+ }
+ else // internal variable
+ {
+ n = var_exists(p);
+ }
+
+ rettv->vval.v_number = n;
+}
+
+ static void
+f_exists_compiled(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ emsg(_(e_exists_compiled_can_only_be_used_in_def_function));
+}
+
+/*
+ * "expand()" function
+ */
+ static void
+f_expand(typval_T *argvars, typval_T *rettv)
+{
+ char_u *s;
+ int len;
+ int options = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND;
+ expand_T xpc;
+ int error = FALSE;
+ char_u *result;
+#ifdef BACKSLASH_IN_FILENAME
+ char_u *p_csl_save = p_csl;
+#endif
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_bool_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_bool_arg(argvars, 2) == FAIL)))
+ return;
+
+#ifdef BACKSLASH_IN_FILENAME
+ // avoid using 'completeslash' here
+ p_csl = empty_option;
+#endif
+
+ rettv->v_type = VAR_STRING;
+ if (argvars[1].v_type != VAR_UNKNOWN
+ && argvars[2].v_type != VAR_UNKNOWN
+ && tv_get_bool_chk(&argvars[2], &error)
+ && !error)
+ rettv_list_set(rettv, NULL);
+
+ s = tv_get_string(&argvars[0]);
+ if (*s == '%' || *s == '#' || *s == '<')
+ {
+ char *errormsg = NULL;
+
+ if (p_verbose == 0)
+ ++emsg_off;
+ result = eval_vars(s, s, &len, NULL, &errormsg, NULL, FALSE);
+ if (p_verbose == 0)
+ --emsg_off;
+ else if (errormsg != NULL)
+ emsg(errormsg);
+ if (rettv->v_type == VAR_LIST)
+ {
+ if (rettv_list_alloc(rettv) == OK && result != NULL)
+ list_append_string(rettv->vval.v_list, result, -1);
+ vim_free(result);
+ }
+ else
+ rettv->vval.v_string = result;
+ }
+ else
+ {
+ // When the optional second argument is non-zero, don't remove matches
+ // for 'wildignore' and don't put matches for 'suffixes' at the end.
+ if (argvars[1].v_type != VAR_UNKNOWN
+ && tv_get_bool_chk(&argvars[1], &error))
+ options |= WILD_KEEP_ALL;
+ if (!error)
+ {
+ ExpandInit(&xpc);
+ xpc.xp_context = EXPAND_FILES;
+ if (p_wic)
+ options += WILD_ICASE;
+ if (rettv->v_type == VAR_STRING)
+ rettv->vval.v_string = ExpandOne(&xpc, s, NULL,
+ options, WILD_ALL);
+ else if (rettv_list_alloc(rettv) == OK)
+ {
+ ExpandOne(&xpc, s, NULL, options, WILD_ALL_KEEP);
+ for (int i = 0; i < xpc.xp_numfiles; i++)
+ list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
+ ExpandCleanup(&xpc);
+ }
+ }
+ else
+ rettv->vval.v_string = NULL;
+ }
+#ifdef BACKSLASH_IN_FILENAME
+ p_csl = p_csl_save;
+#endif
+}
+
+/*
+ * "expandcmd()" function
+ * Expand all the special characters in a command string.
+ */
+ static void
+f_expandcmd(typval_T *argvars, typval_T *rettv)
+{
+ exarg_T eap;
+ char_u *cmdstr;
+ char *errormsg = NULL;
+ int emsgoff = TRUE;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_dict_arg(argvars, 1) == FAIL))
+ return;
+
+ if (argvars[1].v_type == VAR_DICT
+ && dict_get_bool(argvars[1].vval.v_dict, "errmsg", VVAL_FALSE))
+ emsgoff = FALSE;
+
+ rettv->v_type = VAR_STRING;
+ cmdstr = vim_strsave(tv_get_string(&argvars[0]));
+
+ memset(&eap, 0, sizeof(eap));
+ eap.cmd = cmdstr;
+ eap.arg = cmdstr;
+ eap.argt |= EX_NOSPC;
+ eap.usefilter = FALSE;
+ eap.nextcmd = NULL;
+ eap.cmdidx = CMD_USER;
+
+ if (emsgoff)
+ ++emsg_off;
+ if (expand_filename(&eap, &cmdstr, &errormsg) == FAIL)
+ if (!emsgoff && errormsg != NULL && *errormsg != NUL)
+ emsg(errormsg);
+ if (emsgoff)
+ --emsg_off;
+
+ rettv->vval.v_string = cmdstr;
+}
+
+/*
+ * "feedkeys()" function
+ */
+ static void
+f_feedkeys(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ int remap = TRUE;
+ int insert = FALSE;
+ char_u *keys, *flags;
+ char_u nbuf[NUMBUFLEN];
+ int typed = FALSE;
+ int execute = FALSE;
+ int context = FALSE;
+ int dangerous = FALSE;
+ int lowlevel = FALSE;
+
+ // This is not allowed in the sandbox. If the commands would still be
+ // executed in the sandbox it would be OK, but it probably happens later,
+ // when "sandbox" is no longer set.
+ if (check_secure())
+ return;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 1) == FAIL))
+ return;
+
+ keys = tv_get_string(&argvars[0]);
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ flags = tv_get_string_buf(&argvars[1], nbuf);
+ for ( ; *flags != NUL; ++flags)
+ {
+ switch (*flags)
+ {
+ case 'n': remap = FALSE; break;
+ case 'm': remap = TRUE; break;
+ case 't': typed = TRUE; break;
+ case 'i': insert = TRUE; break;
+ case 'x': execute = TRUE; break;
+ case 'c': context = TRUE; break;
+ case '!': dangerous = TRUE; break;
+ case 'L': lowlevel = TRUE; break;
+ }
+ }
+ }
+
+ if (*keys != NUL || execute)
+ {
+ if (lowlevel
+#ifdef FEAT_VTP
+ && (!is_term_win32()
+ || (keys[0] == 3 && ctrl_c_interrupts && typed))
+#endif
+ )
+ {
+#ifdef USE_INPUT_BUF
+ ch_log(NULL, "feedkeys() lowlevel: %s", keys);
+
+ int len = (int)STRLEN(keys);
+ for (int idx = 0; idx < len; ++idx)
+ {
+ // if a CTRL-C was typed, set got_int, similar to what
+ // happens in fill_input_buf()
+ if (keys[idx] == 3 && ctrl_c_interrupts && typed)
+ got_int = TRUE;
+ add_to_input_buf(keys + idx, 1);
+ }
+#else
+ emsg(_(e_lowlevel_input_not_supported));
+#endif
+ }
+ else
+ {
+ // Need to escape K_SPECIAL and CSI before putting the string in
+ // the typeahead buffer.
+ char_u *keys_esc = vim_strsave_escape_csi(keys);
+ if (keys_esc == NULL)
+ return;
+
+ ch_log(NULL, "feedkeys(%s): %s", typed ? "typed" : "", keys);
+
+ ins_typebuf(keys_esc, (remap ? REMAP_YES : REMAP_NONE),
+ insert ? 0 : typebuf.tb_len, !typed, FALSE);
+ if (vgetc_busy
+#ifdef FEAT_TIMERS
+ || timer_busy
+#endif
+ || input_busy)
+ typebuf_was_filled = TRUE;
+
+ vim_free(keys_esc);
+ }
+
+ if (execute)
+ {
+ int save_msg_scroll = msg_scroll;
+ sctx_T save_sctx;
+
+ // Avoid a 1 second delay when the keys start Insert mode.
+ msg_scroll = FALSE;
+
+ ch_log(NULL, "feedkeys() executing");
+
+ if (context)
+ {
+ save_sctx = current_sctx;
+ current_sctx.sc_sid = 0;
+ current_sctx.sc_version = 0;
+ }
+
+ if (!dangerous)
+ {
+ ++ex_normal_busy;
+ ++in_feedkeys;
+ }
+ exec_normal(TRUE, lowlevel, TRUE);
+ if (!dangerous)
+ {
+ --ex_normal_busy;
+ --in_feedkeys;
+ }
+
+ msg_scroll |= save_msg_scroll;
+
+ if (context)
+ current_sctx = save_sctx;
+ }
+ }
+}
+
+/*
+ * "fnameescape({string})" function
+ */
+ static void
+f_fnameescape(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ rettv->vval.v_string = vim_strsave_fnameescape(
+ tv_get_string(&argvars[0]), VSE_NONE);
+ rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "foreground()" function
+ */
+ static void
+f_foreground(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ {
+ gui_mch_set_foreground();
+ return;
+ }
+#endif
+#if defined(MSWIN) && (!defined(FEAT_GUI) || defined(VIMDLL))
+ win32_set_foreground();
+#endif
+}
+
+/*
+ * "function()" function
+ * "funcref()" function
+ */
+ static void
+common_function(typval_T *argvars, typval_T *rettv, int is_funcref)
+{
+ char_u *s;
+ char_u *name;
+ int use_string = FALSE;
+ partial_T *arg_pt = NULL;
+ char_u *trans_name = NULL;
+ int is_global = FALSE;
+
+ if (in_vim9script()
+ && (check_for_string_or_func_arg(argvars, 0) == FAIL
+ || check_for_opt_list_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_dict_arg(argvars, 2) == FAIL)))
+ return;
+
+ if (argvars[0].v_type == VAR_FUNC)
+ {
+ // function(MyFunc, [arg], dict)
+ s = argvars[0].vval.v_string;
+ }
+ else if (argvars[0].v_type == VAR_PARTIAL
+ && argvars[0].vval.v_partial != NULL)
+ {
+ // function(dict.MyFunc, [arg])
+ arg_pt = argvars[0].vval.v_partial;
+ s = partial_name(arg_pt);
+ }
+ else
+ {
+ // function('MyFunc', [arg], dict)
+ s = tv_get_string(&argvars[0]);
+ use_string = TRUE;
+ }
+ if (s == NULL)
+ {
+ semsg(_(e_invalid_argument_str), "NULL");
+ return;
+ }
+
+ if ((use_string && vim_strchr(s, AUTOLOAD_CHAR) == NULL) || is_funcref)
+ {
+ name = s;
+ trans_name = save_function_name(&name, &is_global, FALSE,
+ TFN_INT | TFN_QUIET | TFN_NO_AUTOLOAD | TFN_NO_DEREF, NULL);
+ if (*name != NUL)
+ s = NULL;
+ }
+
+ if (s == NULL || *s == NUL || (use_string && VIM_ISDIGIT(*s))
+ || (is_funcref && trans_name == NULL))
+ semsg(_(e_invalid_argument_str),
+ use_string ? tv_get_string(&argvars[0]) : s);
+ // Don't check an autoload name for existence here.
+ else if (trans_name != NULL && (is_funcref
+ ? find_func(trans_name, is_global) == NULL
+ : !translated_function_exists(trans_name, is_global)))
+ semsg(_(e_unknown_function_str_2), s);
+ else
+ {
+ int dict_idx = 0;
+ int arg_idx = 0;
+ list_T *list = NULL;
+
+ if (STRNCMP(s, "s:", 2) == 0 || STRNCMP(s, "<SID>", 5) == 0)
+ // Expand s: and <SID> into <SNR>nr_, so that the function can
+ // also be called from another script. Using trans_function_name()
+ // would also work, but some plugins depend on the name being
+ // printable text.
+ name = get_scriptlocal_funcname(s);
+ else if (trans_name != NULL && *trans_name == K_SPECIAL)
+ name = alloc_printable_func_name(trans_name);
+ else
+ name = vim_strsave(s);
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ // function(name, [args], dict)
+ arg_idx = 1;
+ dict_idx = 2;
+ }
+ else if (argvars[1].v_type == VAR_DICT)
+ // function(name, dict)
+ dict_idx = 1;
+ else
+ // function(name, [args])
+ arg_idx = 1;
+ if (dict_idx > 0)
+ {
+ if (check_for_dict_arg(argvars, dict_idx) == FAIL)
+ {
+ vim_free(name);
+ goto theend;
+ }
+ if (argvars[dict_idx].vval.v_dict == NULL)
+ dict_idx = 0;
+ }
+ if (arg_idx > 0)
+ {
+ if (argvars[arg_idx].v_type != VAR_LIST)
+ {
+ emsg(_(e_second_argument_of_function_must_be_list_or_dict));
+ vim_free(name);
+ goto theend;
+ }
+ list = argvars[arg_idx].vval.v_list;
+ if (list == NULL || list->lv_len == 0)
+ arg_idx = 0;
+ else if (list->lv_len > MAX_FUNC_ARGS)
+ {
+ emsg_funcname(e_too_many_arguments_for_function_str, s);
+ vim_free(name);
+ goto theend;
+ }
+ }
+ }
+ if (dict_idx > 0 || arg_idx > 0 || arg_pt != NULL || is_funcref)
+ {
+ partial_T *pt = ALLOC_CLEAR_ONE(partial_T);
+
+ // result is a VAR_PARTIAL
+ if (pt == NULL)
+ vim_free(name);
+ else
+ {
+ if (arg_idx > 0 || (arg_pt != NULL && arg_pt->pt_argc > 0))
+ {
+ listitem_T *li;
+ int i = 0;
+ int arg_len = 0;
+ int lv_len = 0;
+
+ if (arg_pt != NULL)
+ arg_len = arg_pt->pt_argc;
+ if (list != NULL)
+ lv_len = list->lv_len;
+ pt->pt_argc = arg_len + lv_len;
+ pt->pt_argv = ALLOC_MULT(typval_T, pt->pt_argc);
+ if (pt->pt_argv == NULL)
+ {
+ vim_free(pt);
+ vim_free(name);
+ goto theend;
+ }
+ for (i = 0; i < arg_len; i++)
+ copy_tv(&arg_pt->pt_argv[i], &pt->pt_argv[i]);
+ if (lv_len > 0)
+ {
+ CHECK_LIST_MATERIALIZE(list);
+ FOR_ALL_LIST_ITEMS(list, li)
+ copy_tv(&li->li_tv, &pt->pt_argv[i++]);
+ }
+ }
+
+ // For "function(dict.func, [], dict)" and "func" is a partial
+ // use "dict". That is backwards compatible.
+ if (dict_idx > 0)
+ {
+ // The dict is bound explicitly, pt_auto is FALSE.
+ pt->pt_dict = argvars[dict_idx].vval.v_dict;
+ ++pt->pt_dict->dv_refcount;
+ }
+ else if (arg_pt != NULL)
+ {
+ // If the dict was bound automatically the result is also
+ // bound automatically.
+ pt->pt_dict = arg_pt->pt_dict;
+ pt->pt_auto = arg_pt->pt_auto;
+ if (pt->pt_dict != NULL)
+ ++pt->pt_dict->dv_refcount;
+ }
+
+ pt->pt_refcount = 1;
+ if (arg_pt != NULL && arg_pt->pt_func != NULL)
+ {
+ pt->pt_func = arg_pt->pt_func;
+ func_ptr_ref(pt->pt_func);
+ vim_free(name);
+ }
+ else if (is_funcref)
+ {
+ pt->pt_func = find_func(trans_name, is_global);
+ func_ptr_ref(pt->pt_func);
+ vim_free(name);
+ }
+ else
+ {
+ pt->pt_name = name;
+ func_ref(name);
+ }
+
+ if (arg_pt != NULL)
+ {
+ pt->pt_outer_partial = arg_pt;
+ ++arg_pt->pt_refcount;
+ }
+ }
+ rettv->v_type = VAR_PARTIAL;
+ rettv->vval.v_partial = pt;
+ }
+ else
+ {
+ // result is a VAR_FUNC
+ rettv->v_type = VAR_FUNC;
+ rettv->vval.v_string = name;
+ func_ref(name);
+ }
+ }
+theend:
+ vim_free(trans_name);
+}
+
+/*
+ * "funcref()" function
+ */
+ static void
+f_funcref(typval_T *argvars, typval_T *rettv)
+{
+ common_function(argvars, rettv, TRUE);
+}
+
+/*
+ * "function()" function
+ */
+ static void
+f_function(typval_T *argvars, typval_T *rettv)
+{
+ common_function(argvars, rettv, FALSE);
+}
+
+/*
+ * "garbagecollect()" function
+ */
+ static void
+f_garbagecollect(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ if (in_vim9script() && check_for_opt_bool_arg(argvars, 0) == FAIL)
+ return;
+
+ // This is postponed until we are back at the toplevel, because we may be
+ // using Lists and Dicts internally. E.g.: ":echo [garbagecollect()]".
+ want_garbage_collect = TRUE;
+
+ if (argvars[0].v_type != VAR_UNKNOWN && tv_get_bool(&argvars[0]) == 1)
+ garbage_collect_at_exit = TRUE;
+}
+
+/*
+ * "get()" function
+ */
+ static void
+f_get(typval_T *argvars, typval_T *rettv)
+{
+ listitem_T *li;
+ list_T *l;
+ dictitem_T *di;
+ dict_T *d;
+ typval_T *tv = NULL;
+ int what_is_dict = FALSE;
+
+ if (argvars[0].v_type == VAR_BLOB)
+ {
+ int error = FALSE;
+ int idx = tv_get_number_chk(&argvars[1], &error);
+
+ if (!error)
+ {
+ rettv->v_type = VAR_NUMBER;
+ if (idx < 0)
+ idx = blob_len(argvars[0].vval.v_blob) + idx;
+ if (idx < 0 || idx >= blob_len(argvars[0].vval.v_blob))
+ rettv->vval.v_number = -1;
+ else
+ {
+ rettv->vval.v_number = blob_get(argvars[0].vval.v_blob, idx);
+ tv = rettv;
+ }
+ }
+ }
+ else if (argvars[0].v_type == VAR_LIST)
+ {
+ if ((l = argvars[0].vval.v_list) != NULL)
+ {
+ int error = FALSE;
+
+ li = list_find(l, (long)tv_get_number_chk(&argvars[1], &error));
+ if (!error && li != NULL)
+ tv = &li->li_tv;
+ }
+ }
+ else if (argvars[0].v_type == VAR_DICT)
+ {
+ if ((d = argvars[0].vval.v_dict) != NULL)
+ {
+ di = dict_find(d, tv_get_string(&argvars[1]), -1);
+ if (di != NULL)
+ tv = &di->di_tv;
+ }
+ }
+ else if (argvars[0].v_type == VAR_PARTIAL || argvars[0].v_type == VAR_FUNC)
+ {
+ partial_T *pt;
+ partial_T fref_pt;
+
+ if (argvars[0].v_type == VAR_PARTIAL)
+ pt = argvars[0].vval.v_partial;
+ else
+ {
+ CLEAR_FIELD(fref_pt);
+ fref_pt.pt_name = argvars[0].vval.v_string;
+ pt = &fref_pt;
+ }
+
+ if (pt != NULL)
+ {
+ char_u *what = tv_get_string(&argvars[1]);
+
+ if (STRCMP(what, "func") == 0 || STRCMP(what, "name") == 0)
+ {
+ char_u *name = partial_name(pt);
+
+ rettv->v_type = (*what == 'f' ? VAR_FUNC : VAR_STRING);
+ if (name == NULL)
+ rettv->vval.v_string = NULL;
+ else
+ {
+ if (rettv->v_type == VAR_FUNC)
+ func_ref(name);
+ if (*what == 'n' && pt->pt_name == NULL
+ && pt->pt_func != NULL)
+ // use <SNR> instead of the byte code
+ name = printable_func_name(pt->pt_func);
+ rettv->vval.v_string = vim_strsave(name);
+ }
+ }
+ else if (STRCMP(what, "dict") == 0)
+ {
+ what_is_dict = TRUE;
+ if (pt->pt_dict != NULL)
+ rettv_dict_set(rettv, pt->pt_dict);
+ }
+ else if (STRCMP(what, "args") == 0)
+ {
+ rettv->v_type = VAR_LIST;
+ if (rettv_list_alloc(rettv) == OK)
+ {
+ int i;
+
+ for (i = 0; i < pt->pt_argc; ++i)
+ list_append_tv(rettv->vval.v_list, &pt->pt_argv[i]);
+ }
+ }
+ else
+ semsg(_(e_invalid_argument_str), what);
+
+ // When {what} == "dict" and pt->pt_dict == NULL, evaluate the
+ // third argument
+ if (!what_is_dict)
+ return;
+ }
+ }
+ else
+ semsg(_(e_argument_of_str_must_be_list_dictionary_or_blob), "get()");
+
+ if (tv == NULL)
+ {
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ copy_tv(&argvars[2], rettv);
+ }
+ else
+ copy_tv(tv, rettv);
+}
+
+/*
+ * "getchangelist()" function
+ */
+ static void
+f_getchangelist(typval_T *argvars, typval_T *rettv)
+{
+ buf_T *buf;
+ int i;
+ list_T *l;
+ dict_T *d;
+ int changelistindex;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+
+ if (in_vim9script() && check_for_opt_buffer_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type == VAR_UNKNOWN)
+ buf = curbuf;
+ else
+ buf = tv_get_buf_from_arg(&argvars[0]);
+ if (buf == NULL)
+ return;
+
+ l = list_alloc();
+ if (l == NULL)
+ return;
+ if (list_append_list(rettv->vval.v_list, l) == FAIL)
+ {
+ vim_free(l);
+ return;
+ }
+
+ /*
+ * The current window change list index tracks only the position for the
+ * current buffer. For other buffers use the stored index for the current
+ * window, or, if that's not available, the change list length.
+ */
+ if (buf == curwin->w_buffer)
+ {
+ changelistindex = curwin->w_changelistidx;
+ }
+ else
+ {
+ wininfo_T *wip;
+
+ FOR_ALL_BUF_WININFO(buf, wip)
+ if (wip->wi_win == curwin)
+ break;
+ changelistindex = wip != NULL ? wip->wi_changelistidx
+ : buf->b_changelistlen;
+ }
+ list_append_number(rettv->vval.v_list, (varnumber_T)changelistindex);
+
+ for (i = 0; i < buf->b_changelistlen; ++i)
+ {
+ if (buf->b_changelist[i].lnum == 0)
+ continue;
+ if ((d = dict_alloc()) == NULL)
+ return;
+ if (list_append_dict(l, d) == FAIL)
+ return;
+ dict_add_number(d, "lnum", (long)buf->b_changelist[i].lnum);
+ dict_add_number(d, "col", (long)buf->b_changelist[i].col);
+ dict_add_number(d, "coladd", (long)buf->b_changelist[i].coladd);
+ }
+}
+
+ static void
+getpos_both(
+ typval_T *argvars,
+ typval_T *rettv,
+ int getcurpos,
+ int charcol)
+{
+ pos_T *fp = NULL;
+ pos_T pos;
+ win_T *wp = curwin;
+ list_T *l;
+ int fnum = -1;
+
+ if (rettv_list_alloc(rettv) == OK)
+ {
+ l = rettv->vval.v_list;
+ if (getcurpos)
+ {
+ if (argvars[0].v_type != VAR_UNKNOWN)
+ {
+ wp = find_win_by_nr_or_id(&argvars[0]);
+ if (wp != NULL)
+ fp = &wp->w_cursor;
+ }
+ else
+ fp = &curwin->w_cursor;
+ if (fp != NULL && charcol)
+ {
+ pos = *fp;
+ pos.col =
+ buf_byteidx_to_charidx(wp->w_buffer, pos.lnum, pos.col);
+ fp = &pos;
+ }
+ }
+ else
+ fp = var2fpos(&argvars[0], TRUE, &fnum, charcol);
+ if (fnum != -1)
+ list_append_number(l, (varnumber_T)fnum);
+ else
+ list_append_number(l, (varnumber_T)0);
+ list_append_number(l, (fp != NULL) ? (varnumber_T)fp->lnum
+ : (varnumber_T)0);
+ list_append_number(l, (fp != NULL)
+ ? (varnumber_T)(fp->col == MAXCOL ? MAXCOL : fp->col + 1)
+ : (varnumber_T)0);
+ list_append_number(l, (fp != NULL) ? (varnumber_T)fp->coladd :
+ (varnumber_T)0);
+ if (getcurpos)
+ {
+ int save_set_curswant = curwin->w_set_curswant;
+ colnr_T save_curswant = curwin->w_curswant;
+ colnr_T save_virtcol = curwin->w_virtcol;
+
+ if (wp == curwin)
+ update_curswant();
+ list_append_number(l, wp == NULL ? 0 : wp->w_curswant == MAXCOL
+ ? (varnumber_T)MAXCOL : (varnumber_T)wp->w_curswant + 1);
+
+ // Do not change "curswant", as it is unexpected that a get
+ // function has a side effect.
+ if (wp == curwin && save_set_curswant)
+ {
+ curwin->w_set_curswant = save_set_curswant;
+ curwin->w_curswant = save_curswant;
+ curwin->w_virtcol = save_virtcol;
+ curwin->w_valid &= ~VALID_VIRTCOL;
+ }
+ }
+ }
+ else
+ rettv->vval.v_number = FALSE;
+}
+
+/*
+ * "getcharpos()" function
+ */
+ static void
+f_getcharpos(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ getpos_both(argvars, rettv, FALSE, TRUE);
+}
+
+/*
+ * "getcharsearch()" function
+ */
+ static void
+f_getcharsearch(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ if (rettv_dict_alloc(rettv) != OK)
+ return;
+
+ dict_T *dict = rettv->vval.v_dict;
+
+ dict_add_string(dict, "char", last_csearch());
+ dict_add_number(dict, "forward", last_csearch_forward());
+ dict_add_number(dict, "until", last_csearch_until());
+}
+
+/*
+ * "getenv()" function
+ */
+ static void
+f_getenv(typval_T *argvars, typval_T *rettv)
+{
+ int mustfree = FALSE;
+ char_u *p;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ p = vim_getenv(tv_get_string(&argvars[0]), &mustfree);
+ if (p == NULL)
+ {
+ rettv->v_type = VAR_SPECIAL;
+ rettv->vval.v_number = VVAL_NULL;
+ return;
+ }
+ if (!mustfree)
+ p = vim_strsave(p);
+ rettv->vval.v_string = p;
+ rettv->v_type = VAR_STRING;
+}
+
+/*
+ * "getfontname()" function
+ */
+ static void
+f_getfontname(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = NULL;
+
+ if (in_vim9script() && check_for_opt_string_arg(argvars, 0) == FAIL)
+ return;
+
+#ifdef FEAT_GUI
+ if (gui.in_use)
+ {
+ GuiFont font;
+ char_u *name = NULL;
+
+ if (argvars[0].v_type == VAR_UNKNOWN)
+ {
+ // Get the "Normal" font. Either the name saved by
+ // hl_set_font_name() or from the font ID.
+ font = gui.norm_font;
+ name = hl_get_font_name();
+ }
+ else
+ {
+ name = tv_get_string(&argvars[0]);
+ if (STRCMP(name, "*") == 0) // don't use font dialog
+ return;
+ font = gui_mch_get_font(name, FALSE);
+ if (font == NOFONT)
+ return; // Invalid font name, return empty string.
+ }
+ rettv->vval.v_string = gui_mch_get_fontname(font, name);
+ if (argvars[0].v_type != VAR_UNKNOWN)
+ gui_mch_free_font(font);
+ }
+#endif
+}
+
+/*
+ * "getjumplist()" function
+ */
+ static void
+f_getjumplist(typval_T *argvars, typval_T *rettv)
+{
+ win_T *wp;
+ int i;
+ list_T *l;
+ dict_T *d;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+
+ if (in_vim9script()
+ && (check_for_opt_number_arg(argvars, 0) == FAIL
+ || (argvars[0].v_type != VAR_UNKNOWN
+ && check_for_opt_number_arg(argvars, 1) == FAIL)))
+ return;
+
+ wp = find_tabwin(&argvars[0], &argvars[1], NULL);
+ if (wp == NULL)
+ return;
+
+ cleanup_jumplist(wp, TRUE);
+
+ l = list_alloc();
+ if (l == NULL)
+ return;
+ if (list_append_list(rettv->vval.v_list, l) == FAIL)
+ {
+ vim_free(l);
+ return;
+ }
+
+ list_append_number(rettv->vval.v_list, (varnumber_T)wp->w_jumplistidx);
+
+ for (i = 0; i < wp->w_jumplistlen; ++i)
+ {
+ if (wp->w_jumplist[i].fmark.mark.lnum == 0)
+ continue;
+ if ((d = dict_alloc()) == NULL)
+ return;
+ if (list_append_dict(l, d) == FAIL)
+ return;
+ dict_add_number(d, "lnum", (long)wp->w_jumplist[i].fmark.mark.lnum);
+ dict_add_number(d, "col", (long)wp->w_jumplist[i].fmark.mark.col);
+ dict_add_number(d, "coladd", (long)wp->w_jumplist[i].fmark.mark.coladd);
+ dict_add_number(d, "bufnr", (long)wp->w_jumplist[i].fmark.fnum);
+ if (wp->w_jumplist[i].fname != NULL)
+ dict_add_string(d, "filename", wp->w_jumplist[i].fname);
+ }
+}
+
+/*
+ * "getpid()" function
+ */
+ static void
+f_getpid(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->vval.v_number = mch_get_pid();
+}
+
+/*
+ * "getcurpos()" function
+ */
+ static void
+f_getcurpos(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_opt_number_arg(argvars, 0) == FAIL)
+ return;
+
+ getpos_both(argvars, rettv, TRUE, FALSE);
+}
+
+ static void
+f_getcursorcharpos(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_opt_number_arg(argvars, 0) == FAIL)
+ return;
+
+ getpos_both(argvars, rettv, TRUE, TRUE);
+}
+
+/*
+ * "getpos(string)" function
+ */
+ static void
+f_getpos(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ getpos_both(argvars, rettv, FALSE, FALSE);
+}
+
+/*
+ * Common between getreg(), getreginfo() and getregtype(): get the register
+ * name from the first argument.
+ * Returns zero on error.
+ */
+ static int
+getreg_get_regname(typval_T *argvars)
+{
+ char_u *strregname;
+
+ if (argvars[0].v_type != VAR_UNKNOWN)
+ {
+ strregname = tv_get_string_chk(&argvars[0]);
+ if (strregname != NULL && in_vim9script() && STRLEN(strregname) > 1)
+ {
+ semsg(_(e_register_name_must_be_one_char_str), strregname);
+ strregname = NULL;
+ }
+ if (strregname == NULL) // type error; errmsg already given
+ return 0;
+ }
+ else
+ // Default to v:register
+ strregname = get_vim_var_str(VV_REG);
+
+ return *strregname == 0 ? '"' : *strregname;
+}
+
+/*
+ * "getreg()" function
+ */
+ static void
+f_getreg(typval_T *argvars, typval_T *rettv)
+{
+ int regname;
+ int arg2 = FALSE;
+ int return_list = FALSE;
+
+ if (in_vim9script()
+ && (check_for_opt_string_arg(argvars, 0) == FAIL
+ || (argvars[0].v_type != VAR_UNKNOWN
+ && (check_for_opt_bool_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_bool_arg(argvars, 2) == FAIL)))))
+ return;
+
+ regname = getreg_get_regname(argvars);
+ if (regname == 0)
+ return;
+
+ if (argvars[0].v_type != VAR_UNKNOWN && argvars[1].v_type != VAR_UNKNOWN)
+ {
+ int error = FALSE;
+
+ arg2 = (int)tv_get_bool_chk(&argvars[1], &error);
+
+ if (!error && argvars[2].v_type != VAR_UNKNOWN)
+ return_list = (int)tv_get_bool_chk(&argvars[2], &error);
+ if (error)
+ return;
+ }
+
+ if (return_list)
+ {
+ rettv->v_type = VAR_LIST;
+ rettv->vval.v_list = (list_T *)get_reg_contents(regname,
+ (arg2 ? GREG_EXPR_SRC : 0) | GREG_LIST);
+ if (rettv->vval.v_list == NULL)
+ (void)rettv_list_alloc(rettv);
+ else
+ ++rettv->vval.v_list->lv_refcount;
+ }
+ else
+ {
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = get_reg_contents(regname,
+ arg2 ? GREG_EXPR_SRC : 0);
+ }
+}
+
+/*
+ * "getregtype()" function
+ */
+ static void
+f_getregtype(typval_T *argvars, typval_T *rettv)
+{
+ int regname;
+ char_u buf[NUMBUFLEN + 2];
+ long reglen = 0;
+
+ // on error return an empty string
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = NULL;
+
+ if (in_vim9script() && check_for_opt_string_arg(argvars, 0) == FAIL)
+ return;
+
+ regname = getreg_get_regname(argvars);
+ if (regname == 0)
+ return;
+
+ buf[0] = NUL;
+ buf[1] = NUL;
+ switch (get_reg_type(regname, &reglen))
+ {
+ case MLINE: buf[0] = 'V'; break;
+ case MCHAR: buf[0] = 'v'; break;
+ case MBLOCK:
+ buf[0] = Ctrl_V;
+ sprintf((char *)buf + 1, "%ld", reglen + 1);
+ break;
+ }
+ rettv->vval.v_string = vim_strsave(buf);
+}
+
+/*
+ * "gettagstack()" function
+ */
+ static void
+f_gettagstack(typval_T *argvars, typval_T *rettv)
+{
+ win_T *wp = curwin; // default is current window
+
+ if (rettv_dict_alloc(rettv) == FAIL)
+ return;
+
+ if (in_vim9script() && check_for_opt_number_arg(argvars, 0) == FAIL)
+ return;
+
+ 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);
+}
+
+/*
+ * "gettext()" function
+ */
+ static void
+f_gettext(typval_T *argvars, typval_T *rettv)
+{
+ if (check_for_nonempty_string_arg(argvars, 0) == FAIL)
+ return;
+
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = vim_strsave((char_u *)_(argvars[0].vval.v_string));
+}
+
+// for VIM_VERSION_ defines
+#include "version.h"
+
+/*
+ * "has()" function
+ */
+ void
+f_has(typval_T *argvars, typval_T *rettv)
+{
+ int i;
+ char_u *name;
+ int x = FALSE;
+ int n = FALSE;
+ typedef struct {
+ char *name;
+ short present;
+ } has_item_T;
+ static has_item_T has_list[] =
+ {
+ {"amiga",
+#ifdef AMIGA
+ 1
+#else
+ 0
+#endif
+ },
+ {"arp",
+#if defined(AMIGA) && defined(FEAT_ARP)
+ 1
+#else
+ 0
+#endif
+ },
+ {"haiku",
+#ifdef __HAIKU__
+ 1
+#else
+ 0
+#endif
+ },
+ {"bsd",
+#if defined(BSD) && !defined(MACOS_X)
+ 1
+#else
+ 0
+#endif
+ },
+ {"hpux",
+#ifdef hpux
+ 1
+#else
+ 0
+#endif
+ },
+ {"linux",
+#ifdef __linux__
+ 1
+#else
+ 0
+#endif
+ },
+ {"mac", // Mac OS X (and, once, Mac OS Classic)
+#ifdef MACOS_X
+ 1
+#else
+ 0
+#endif
+ },
+ {"osx", // Mac OS X
+#ifdef MACOS_X
+ 1
+#else
+ 0
+#endif
+ },
+ {"macunix", // Mac OS X, with the darwin feature
+#if defined(MACOS_X) && defined(MACOS_X_DARWIN)
+ 1
+#else
+ 0
+#endif
+ },
+ {"osxdarwin", // synonym for macunix
+#if defined(MACOS_X) && defined(MACOS_X_DARWIN)
+ 1
+#else
+ 0
+#endif
+ },
+ {"qnx",
+#ifdef __QNX__
+ 1
+#else
+ 0
+#endif
+ },
+ {"sun",
+#ifdef SUN_SYSTEM
+ 1
+#else
+ 0
+#endif
+ },
+ {"unix",
+#ifdef UNIX
+ 1
+#else
+ 0
+#endif
+ },
+ {"vms",
+#ifdef VMS
+ 1
+#else
+ 0
+#endif
+ },
+ {"win32",
+#ifdef MSWIN
+ 1
+#else
+ 0
+#endif
+ },
+ {"win32unix",
+#ifdef WIN32UNIX
+ 1
+#else
+ 0
+#endif
+ },
+ {"win64",
+#ifdef _WIN64
+ 1
+#else
+ 0
+#endif
+ },
+ {"ebcdic", 0 },
+ {"fname_case",
+#ifndef CASE_INSENSITIVE_FILENAME
+ 1
+#else
+ 0
+#endif
+ },
+ {"acl",
+#ifdef HAVE_ACL
+ 1
+#else
+ 0
+#endif
+ },
+ {"arabic",
+#ifdef FEAT_ARABIC
+ 1
+#else
+ 0
+#endif
+ },
+ {"autocmd", 1},
+ {"autochdir",
+#ifdef FEAT_AUTOCHDIR
+ 1
+#else
+ 0
+#endif
+ },
+ {"autoservername",
+#ifdef FEAT_AUTOSERVERNAME
+ 1
+#else
+ 0
+#endif
+ },
+ {"balloon_eval",
+#ifdef FEAT_BEVAL_GUI
+ 1
+#else
+ 0
+#endif
+ },
+ {"balloon_multiline",
+#ifdef FEAT_BEVAL_GUI
+ 1
+#else
+ 0
+#endif
+ },
+ {"balloon_eval_term",
+#ifdef FEAT_BEVAL_TERM
+ 1
+#else
+ 0
+#endif
+ },
+ {"builtin_terms", 1},
+ {"all_builtin_terms", 1},
+ {"browsefilter",
+#if defined(FEAT_BROWSE) && (defined(USE_FILE_CHOOSER) \
+ || defined(FEAT_GUI_MSWIN) \
+ || defined(FEAT_GUI_MOTIF))
+ 1
+#else
+ 0
+#endif
+ },
+ {"byte_offset",
+#ifdef FEAT_BYTEOFF
+ 1
+#else
+ 0
+#endif
+ },
+ {"channel",
+#ifdef FEAT_JOB_CHANNEL
+ 1
+#else
+ 0
+#endif
+ },
+ {"cindent", 1},
+ {"clientserver",
+#ifdef FEAT_CLIENTSERVER
+ 1
+#else
+ 0
+#endif
+ },
+ {"clipboard",
+#ifdef FEAT_CLIPBOARD
+ 1
+#else
+ 0
+#endif
+ },
+ {"cmdline_compl", 1},
+ {"cmdline_hist", 1},
+ {"cmdwin", 1},
+ {"comments", 1},
+ {"conceal",
+#ifdef FEAT_CONCEAL
+ 1
+#else
+ 0
+#endif
+ },
+ {"cryptv",
+#ifdef FEAT_CRYPT
+ 1
+#else
+ 0
+#endif
+ },
+ {"crypt-blowfish",
+#ifdef FEAT_CRYPT
+ 1
+#else
+ 0
+#endif
+ },
+ {"crypt-blowfish2",
+#ifdef FEAT_CRYPT
+ 1
+#else
+ 0
+#endif
+ },
+ {"cscope",
+#ifdef FEAT_CSCOPE
+ 1
+#else
+ 0
+#endif
+ },
+ {"cursorbind", 1},
+ {"cursorshape",
+#ifdef CURSOR_SHAPE
+ 1
+#else
+ 0
+#endif
+ },
+ {"debug",
+#ifdef DEBUG
+ 1
+#else
+ 0
+#endif
+ },
+ {"dialog_con",
+#ifdef FEAT_CON_DIALOG
+ 1
+#else
+ 0
+#endif
+ },
+ {"dialog_gui",
+#ifdef FEAT_GUI_DIALOG
+ 1
+#else
+ 0
+#endif
+ },
+ {"diff",
+#ifdef FEAT_DIFF
+ 1
+#else
+ 0
+#endif
+ },
+ {"digraphs",
+#ifdef FEAT_DIGRAPHS
+ 1
+#else
+ 0
+#endif
+ },
+ {"directx",
+#ifdef FEAT_DIRECTX
+ 1
+#else
+ 0
+#endif
+ },
+ {"dnd",
+#ifdef FEAT_DND
+ 1
+#else
+ 0
+#endif
+ },
+ {"drop_file",
+#ifdef HAVE_DROP_FILE
+ 1
+#else
+ 0
+#endif
+ },
+ {"emacs_tags",
+#ifdef FEAT_EMACS_TAGS
+ 1
+#else
+ 0
+#endif
+ },
+ {"eval", 1}, // always present, of course!
+ {"ex_extra", 1}, // graduated feature
+ {"extra_search",
+#ifdef FEAT_SEARCH_EXTRA
+ 1
+#else
+ 0
+#endif
+ },
+ {"file_in_path", 1},
+ {"filterpipe",
+#if defined(FEAT_FILTERPIPE) && !defined(VIMDLL)
+ 1
+#else
+ 0
+#endif
+ },
+ {"find_in_path",
+#ifdef FEAT_FIND_ID
+ 1
+#else
+ 0
+#endif
+ },
+ {"float", 1},
+ {"folding",
+#ifdef FEAT_FOLDING
+ 1
+#else
+ 0
+#endif
+ },
+ {"footer", 0},
+ {"fork",
+#if !defined(USE_SYSTEM) && defined(UNIX)
+ 1
+#else
+ 0
+#endif
+ },
+ {"gettext",
+#ifdef FEAT_GETTEXT
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui",
+#ifdef FEAT_GUI
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_neXtaw", 0 },
+ {"gui_athena", 0 },
+ {"gui_gtk",
+#ifdef FEAT_GUI_GTK
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_gtk2",
+#if defined(FEAT_GUI_GTK) && !defined(USE_GTK3)
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_gtk3",
+#if defined(FEAT_GUI_GTK) && defined(USE_GTK3)
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_gnome",
+#ifdef FEAT_GUI_GNOME
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_haiku",
+#ifdef FEAT_GUI_HAIKU
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_mac", 0},
+ {"gui_motif",
+#ifdef FEAT_GUI_MOTIF
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_photon",
+#ifdef FEAT_GUI_PHOTON
+ 1
+#else
+ 0
+#endif
+ },
+ {"gui_win32",
+#ifdef FEAT_GUI_MSWIN
+ 1
+#else
+ 0
+#endif
+ },
+ {"iconv",
+#if defined(HAVE_ICONV_H) && defined(USE_ICONV)
+ 1
+#else
+ 0
+#endif
+ },
+ {"insert_expand", 1},
+ {"ipv6",
+#ifdef FEAT_IPV6
+ 1
+#else
+ 0
+#endif
+ },
+ {"job",
+#ifdef FEAT_JOB_CHANNEL
+ 1
+#else
+ 0
+#endif
+ },
+ {"jumplist", 1},
+ {"keymap",
+#ifdef FEAT_KEYMAP
+ 1
+#else
+ 0
+#endif
+ },
+ {"lambda", 1}, // always with FEAT_EVAL, since 7.4.2120 with closure
+ {"langmap",
+#ifdef FEAT_LANGMAP
+ 1
+#else
+ 0
+#endif
+ },
+ {"libcall",
+#ifdef FEAT_LIBCALL
+ 1
+#else
+ 0
+#endif
+ },
+ {"linebreak",
+#ifdef FEAT_LINEBREAK
+ 1
+#else
+ 0
+#endif
+ },
+ {"lispindent", 1},
+ {"listcmds", 1},
+ {"localmap", 1},
+ {"lua",
+#if defined(FEAT_LUA) && !defined(DYNAMIC_LUA)
+ 1
+#else
+ 0
+#endif
+ },
+ {"menu",
+#ifdef FEAT_MENU
+ 1
+#else
+ 0
+#endif
+ },
+ {"mksession",
+#ifdef FEAT_SESSION
+ 1
+#else
+ 0
+#endif
+ },
+ {"modify_fname", 1},
+ {"mouse", 1},
+ {"mouseshape",
+#ifdef FEAT_MOUSESHAPE
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_dec",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_DEC)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_gpm",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_GPM) && !defined(DYNAMIC_GPM)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_jsbterm",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_JSB)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_netterm",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_NET)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_pterm",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_PTERM)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_sgr",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_XTERM)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_sysmouse",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_SYSMOUSE)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_urxvt",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_URXVT)
+ 1
+#else
+ 0
+#endif
+ },
+ {"mouse_xterm",
+#if (defined(UNIX) || defined(VMS)) && defined(FEAT_MOUSE_XTERM)
+ 1
+#else
+ 0
+#endif
+ },
+ {"multi_byte", 1},
+ {"multi_byte_ime",
+#ifdef FEAT_MBYTE_IME
+ 1
+#else
+ 0
+#endif
+ },
+ {"multi_lang",
+#ifdef FEAT_MULTI_LANG
+ 1
+#else
+ 0
+#endif
+ },
+ {"mzscheme",
+#if defined(FEAT_MZSCHEME) && !defined(DYNAMIC_MZSCHEME)
+ 1
+#else
+ 0
+#endif
+ },
+ {"nanotime",
+#ifdef ST_MTIM_NSEC
+ 1
+#else
+ 0
+#endif
+ },
+ {"num64", 1},
+ {"ole",
+#ifdef FEAT_OLE
+ 1
+#else
+ 0
+#endif
+ },
+ {"packages",
+#ifdef FEAT_EVAL
+ 1
+#else
+ 0
+#endif
+ },
+ {"path_extra", 1},
+ {"perl",
+#if defined(FEAT_PERL) && !defined(DYNAMIC_PERL)
+ 1
+#else
+ 0
+#endif
+ },
+ {"persistent_undo",
+#ifdef FEAT_PERSISTENT_UNDO
+ 1
+#else
+ 0
+#endif
+ },
+ {"python_compiled",
+#if defined(FEAT_PYTHON)
+ 1
+#else
+ 0
+#endif
+ },
+ {"python_dynamic",
+#if defined(FEAT_PYTHON) && defined(DYNAMIC_PYTHON)
+ 1
+#else
+ 0
+#endif
+ },
+ {"python",
+#if defined(FEAT_PYTHON) && !defined(DYNAMIC_PYTHON)
+ 1
+#else
+ 0
+#endif
+ },
+ {"pythonx",
+#if (defined(FEAT_PYTHON) && !defined(DYNAMIC_PYTHON)) \
+ || (defined(FEAT_PYTHON3) && !defined(DYNAMIC_PYTHON3))
+ 1
+#else
+ 0
+#endif
+ },
+ {"python3_compiled",
+#if defined(FEAT_PYTHON3)
+ 1
+#else
+ 0
+#endif
+ },
+ {"python3_dynamic",
+#if defined(FEAT_PYTHON3) && defined(DYNAMIC_PYTHON3)
+ 1
+#else
+ 0
+#endif
+ },
+ {"python3",
+#if defined(FEAT_PYTHON3) && !defined(DYNAMIC_PYTHON3)
+ 1
+#else
+ 0
+#endif
+ },
+ {"popupwin",
+#ifdef FEAT_PROP_POPUP
+ 1
+#else
+ 0
+#endif
+ },
+ {"postscript",
+#ifdef FEAT_POSTSCRIPT
+ 1
+#else
+ 0
+#endif
+ },
+ {"printer",
+#ifdef FEAT_PRINTER
+ 1
+#else
+ 0
+#endif
+ },
+ {"profile",
+#ifdef FEAT_PROFILE
+ 1
+#else
+ 0
+#endif
+ },
+ {"reltime",
+#ifdef FEAT_RELTIME
+ 1
+#else
+ 0
+#endif
+ },
+ {"quickfix",
+#ifdef FEAT_QUICKFIX
+ 1
+#else
+ 0
+#endif
+ },
+ {"rightleft",
+#ifdef FEAT_RIGHTLEFT
+ 1
+#else
+ 0
+#endif
+ },
+ {"ruby",
+#if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY)
+ 1
+#else
+ 0
+#endif
+ },
+ {"scrollbind", 1},
+ {"showcmd", 1},
+ {"cmdline_info", 1},
+ {"signs",
+#ifdef FEAT_SIGNS
+ 1
+#else
+ 0
+#endif
+ },
+ {"smartindent", 1},
+ {"startuptime",
+#ifdef STARTUPTIME
+ 1
+#else
+ 0
+#endif
+ },
+ {"statusline",
+#ifdef FEAT_STL_OPT
+ 1
+#else
+ 0
+#endif
+ },
+ {"netbeans_intg",
+#ifdef FEAT_NETBEANS_INTG
+ 1
+#else
+ 0
+#endif
+ },
+ {"sodium",
+#if defined(FEAT_SODIUM) && !defined(DYNAMIC_SODIUM)
+ 1
+#else
+ 0
+#endif
+ },
+ {"sound",
+#ifdef FEAT_SOUND
+ 1
+#else
+ 0
+#endif
+ },
+ {"spell",
+#ifdef FEAT_SPELL
+ 1
+#else
+ 0
+#endif
+ },
+ {"syntax",
+#ifdef FEAT_SYN_HL
+ 1
+#else
+ 0
+#endif
+ },
+ {"system",
+#if defined(USE_SYSTEM) || !defined(UNIX)
+ 1
+#else
+ 0
+#endif
+ },
+ {"tag_binary", 1}, // graduated feature
+ {"tcl",
+#if defined(FEAT_TCL) && !defined(DYNAMIC_TCL)
+ 1
+#else
+ 0
+#endif
+ },
+ {"termguicolors",
+#ifdef FEAT_TERMGUICOLORS
+ 1
+#else
+ 0
+#endif
+ },
+ {"terminal",
+#if defined(FEAT_TERMINAL) && !defined(MSWIN)
+ 1
+#else
+ 0
+#endif
+ },
+ {"terminfo",
+#ifdef TERMINFO
+ 1
+#else
+ 0
+#endif
+ },
+ {"termresponse",
+#ifdef FEAT_TERMRESPONSE
+ 1
+#else
+ 0
+#endif
+ },
+ {"textobjects", 1},
+ {"textprop",
+#ifdef FEAT_PROP_POPUP
+ 1
+#else
+ 0
+#endif
+ },
+ {"tgetent",
+#ifdef HAVE_TGETENT
+ 1
+#else
+ 0
+#endif
+ },
+ {"timers",
+#ifdef FEAT_TIMERS
+ 1
+#else
+ 0
+#endif
+ },
+ {"title", 1},
+ {"toolbar",
+#ifdef FEAT_TOOLBAR
+ 1
+#else
+ 0
+#endif
+ },
+ {"unnamedplus",
+#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
+ 1
+#else
+ 0
+#endif
+ },
+ {"user-commands", 1}, // was accidentally included in 5.4
+ {"user_commands", 1},
+ {"vartabs",
+#ifdef FEAT_VARTABS
+ 1
+#else
+ 0
+#endif
+ },
+ {"vertsplit", 1},
+ {"viminfo",
+#ifdef FEAT_VIMINFO
+ 1
+#else
+ 0
+#endif
+ },
+ {"vim9script", 1},
+ {"vimscript-1", 1},
+ {"vimscript-2", 1},
+ {"vimscript-3", 1},
+ {"vimscript-4", 1},
+ {"virtualedit", 1},
+ {"visual", 1},
+ {"visualextra", 1},
+ {"vreplace", 1},
+ {"vtp",
+#ifdef FEAT_VTP
+ 1
+#else
+ 0
+#endif
+ },
+ {"wildignore", 1},
+ {"wildmenu", 1},
+ {"windows", 1},
+ {"winaltkeys",
+#ifdef FEAT_WAK
+ 1
+#else
+ 0
+#endif
+ },
+ {"writebackup",
+#ifdef FEAT_WRITEBACKUP
+ 1
+#else
+ 0
+#endif
+ },
+ {"xim",
+#ifdef FEAT_XIM
+ 1
+#else
+ 0
+#endif
+ },
+ {"xfontset",
+#ifdef FEAT_XFONTSET
+ 1
+#else
+ 0
+#endif
+ },
+ {"xpm",
+#if defined(FEAT_XPM_W32) || defined(HAVE_XPM)
+ 1
+#else
+ 0
+#endif
+ },
+ {"xpm_w32", // for backward compatibility
+#ifdef FEAT_XPM_W32
+ 1
+#else
+ 0
+#endif
+ },
+ {"xsmp",
+#ifdef USE_XSMP
+ 1
+#else
+ 0
+#endif
+ },
+ {"xsmp_interact",
+#ifdef USE_XSMP_INTERACT
+ 1
+#else
+ 0
+#endif
+ },
+ {"xterm_clipboard",
+#ifdef FEAT_XCLIPBOARD
+ 1
+#else
+ 0
+#endif
+ },
+ {"xterm_save",
+#ifdef FEAT_XTERM_SAVE
+ 1
+#else
+ 0
+#endif
+ },
+ {"X11",
+#if defined(UNIX) && defined(FEAT_X11)
+ 1
+#else
+ 0
+#endif
+ },
+ {NULL, 0}
+ };
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_bool_arg(argvars, 1) == FAIL))
+ return;
+
+ name = tv_get_string(&argvars[0]);
+ for (i = 0; has_list[i].name != NULL; ++i)
+ if (STRICMP(name, has_list[i].name) == 0)
+ {
+ x = TRUE;
+ n = has_list[i].present;
+ break;
+ }
+
+ // features also in has_list[] but sometimes enabled at runtime
+ if (x == TRUE && n == FALSE)
+ {
+ if (0)
+ {
+ // intentionally empty
+ }
+#ifdef VIMDLL
+ else if (STRICMP(name, "filterpipe") == 0)
+ n = gui.in_use || gui.starting;
+#endif
+#if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
+ else if (STRICMP(name, "iconv") == 0)
+ n = iconv_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_LUA
+ else if (STRICMP(name, "lua") == 0)
+ n = lua_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_MZSCHEME
+ else if (STRICMP(name, "mzscheme") == 0)
+ n = mzscheme_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_PERL
+ else if (STRICMP(name, "perl") == 0)
+ n = perl_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_PYTHON
+ else if (STRICMP(name, "python") == 0)
+ n = python_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_PYTHON3
+ else if (STRICMP(name, "python3") == 0)
+ n = python3_enabled(FALSE);
+#endif
+#if defined(DYNAMIC_PYTHON) || defined(DYNAMIC_PYTHON3)
+ else if (STRICMP(name, "pythonx") == 0)
+ {
+# if defined(DYNAMIC_PYTHON) && defined(DYNAMIC_PYTHON3)
+ if (p_pyx == 0)
+ n = python3_enabled(FALSE) || python_enabled(FALSE);
+ else if (p_pyx == 3)
+ n = python3_enabled(FALSE);
+ else if (p_pyx == 2)
+ n = python_enabled(FALSE);
+# elif defined(DYNAMIC_PYTHON)
+ n = python_enabled(FALSE);
+# elif defined(DYNAMIC_PYTHON3)
+ n = python3_enabled(FALSE);
+# endif
+ }
+#endif
+#ifdef DYNAMIC_RUBY
+ else if (STRICMP(name, "ruby") == 0)
+ n = ruby_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_TCL
+ else if (STRICMP(name, "tcl") == 0)
+ n = tcl_enabled(FALSE);
+#endif
+#ifdef DYNAMIC_SODIUM
+ else if (STRICMP(name, "sodium") == 0)
+ n = sodium_enabled(FALSE);
+#endif
+#if defined(FEAT_TERMINAL) && defined(MSWIN)
+ else if (STRICMP(name, "terminal") == 0)
+ n = terminal_enabled();
+#endif
+#ifdef DYNAMIC_GPM
+ else if (STRICMP(name, "mouse_gpm") == 0)
+ n = gpm_available();
+#endif
+ }
+
+ // features not in has_list[]
+ if (x == FALSE)
+ {
+ if (STRNICMP(name, "patch", 5) == 0)
+ {
+ x = TRUE;
+ if (name[5] == '-'
+ && STRLEN(name) >= 11
+ && (name[6] >= '1' && name[6] <= '9'))
+ {
+ char *end;
+ int major, minor;
+
+ // This works for patch-8.1.2, patch-9.0.3, patch-10.0.4, etc.
+ // Not for patch-9.10.5.
+ major = (int)strtoul((char *)name + 6, &end, 10);
+ if (*end == '.' && vim_isdigit(end[1])
+ && end[2] == '.' && vim_isdigit(end[3]))
+ {
+ minor = atoi(end + 1);
+
+ // Expect "patch-9.9.01234".
+ n = (major < VIM_VERSION_MAJOR
+ || (major == VIM_VERSION_MAJOR
+ && (minor < VIM_VERSION_MINOR
+ || (minor == VIM_VERSION_MINOR
+ && has_patch(atoi(end + 3))))));
+ }
+ }
+ else if (isdigit(name[5]))
+ n = has_patch(atoi((char *)name + 5));
+ }
+ else if (STRICMP(name, "vim_starting") == 0)
+ {
+ x = TRUE;
+ n = (starting != 0);
+ }
+ else if (STRICMP(name, "ttyin") == 0)
+ {
+ x = TRUE;
+ n = mch_input_isatty();
+ }
+ else if (STRICMP(name, "ttyout") == 0)
+ {
+ x = TRUE;
+ n = stdout_isatty;
+ }
+ else if (STRICMP(name, "multi_byte_encoding") == 0)
+ {
+ x = TRUE;
+ n = has_mbyte;
+ }
+ else if (STRICMP(name, "gui_running") == 0)
+ {
+ x = TRUE;
+#ifdef FEAT_GUI
+ n = (gui.in_use || gui.starting);
+#endif
+ }
+ else if (STRICMP(name, "browse") == 0)
+ {
+ x = TRUE;
+#if defined(FEAT_GUI) && defined(FEAT_BROWSE)
+ n = gui.in_use; // gui_mch_browse() works when GUI is running
+#endif
+ }
+ else if (STRICMP(name, "syntax_items") == 0)
+ {
+ x = TRUE;
+#ifdef FEAT_SYN_HL
+ n = syntax_present(curwin);
+#endif
+ }
+ else if (STRICMP(name, "vcon") == 0)
+ {
+ x = TRUE;
+#ifdef FEAT_VTP
+ n = is_term_win32() && has_vtp_working();
+#endif
+ }
+ else if (STRICMP(name, "netbeans_enabled") == 0)
+ {
+ x = TRUE;
+#ifdef FEAT_NETBEANS_INTG
+ n = netbeans_active();
+#endif
+ }
+ else if (STRICMP(name, "mouse_gpm_enabled") == 0)
+ {
+ x = TRUE;
+#ifdef FEAT_MOUSE_GPM
+ n = gpm_enabled();
+#endif
+ }
+ else if (STRICMP(name, "conpty") == 0)
+ {
+ x = TRUE;
+#if defined(FEAT_TERMINAL) && defined(MSWIN)
+ n = use_conpty();
+#endif
+ }
+ else if (STRICMP(name, "clipboard_working") == 0)
+ {
+ x = TRUE;
+#ifdef FEAT_CLIPBOARD
+ n = clip_star.available;
+#endif
+ }
+ }
+
+ if (argvars[1].v_type != VAR_UNKNOWN && tv_get_bool(&argvars[1]))
+ // return whether feature could ever be enabled
+ rettv->vval.v_number = x;
+ else
+ // return whether feature is enabled
+ rettv->vval.v_number = n;
+}
+
+/*
+ * Return TRUE if "feature" can change later.
+ * Also when checking for the feature has side effects, such as loading a DLL.
+ */
+ int
+dynamic_feature(char_u *feature)
+{
+ return (feature == NULL
+#if defined(FEAT_GUI) && defined(FEAT_BROWSE)
+ || (STRICMP(feature, "browse") == 0 && !gui.in_use)
+#endif
+#ifdef VIMDLL
+ || STRICMP(feature, "filterpipe") == 0
+#endif
+#if defined(FEAT_GUI) && !defined(ALWAYS_USE_GUI) && !defined(VIMDLL)
+ // this can only change on Unix where the ":gui" command could be
+ // used.
+ || (STRICMP(feature, "gui_running") == 0 && !gui.in_use)
+#endif
+#if defined(USE_ICONV) && defined(DYNAMIC_ICONV)
+ || STRICMP(feature, "iconv") == 0
+#endif
+#ifdef DYNAMIC_LUA
+ || STRICMP(feature, "lua") == 0
+#endif
+#ifdef FEAT_MOUSE_GPM
+ || (STRICMP(feature, "mouse_gpm_enabled") == 0 && !gpm_enabled())
+#endif
+#ifdef DYNAMIC_MZSCHEME
+ || STRICMP(feature, "mzscheme") == 0
+#endif
+#ifdef FEAT_NETBEANS_INTG
+ || STRICMP(feature, "netbeans_enabled") == 0
+#endif
+#ifdef DYNAMIC_PERL
+ || STRICMP(feature, "perl") == 0
+#endif
+#ifdef DYNAMIC_PYTHON
+ || STRICMP(feature, "python") == 0
+#endif
+#ifdef DYNAMIC_PYTHON3
+ || STRICMP(feature, "python3") == 0
+#endif
+#if defined(DYNAMIC_PYTHON) || defined(DYNAMIC_PYTHON3)
+ || STRICMP(feature, "pythonx") == 0
+#endif
+#ifdef DYNAMIC_RUBY
+ || STRICMP(feature, "ruby") == 0
+#endif
+#ifdef FEAT_SYN_HL
+ || STRICMP(feature, "syntax_items") == 0
+#endif
+#ifdef DYNAMIC_TCL
+ || STRICMP(feature, "tcl") == 0
+#endif
+ // once "starting" is zero it will stay that way
+ || (STRICMP(feature, "vim_starting") == 0 && starting != 0)
+ || STRICMP(feature, "multi_byte_encoding") == 0
+#if defined(FEAT_TERMINAL) && defined(MSWIN)
+ || STRICMP(feature, "conpty") == 0
+#endif
+ );
+}
+
+/*
+ * "haslocaldir()" function
+ */
+ static void
+f_haslocaldir(typval_T *argvars, typval_T *rettv)
+{
+ tabpage_T *tp = NULL;
+ win_T *wp = NULL;
+
+ if (in_vim9script()
+ && (check_for_opt_number_arg(argvars, 0) == FAIL
+ || (argvars[0].v_type != VAR_UNKNOWN
+ && check_for_opt_number_arg(argvars, 1) == FAIL)))
+ return;
+
+ wp = find_tabwin(&argvars[0], &argvars[1], &tp);
+
+ // Check for window-local and tab-local directories
+ if (wp != NULL && wp->w_localdir != NULL)
+ rettv->vval.v_number = 1;
+ else if (tp != NULL && tp->tp_localdir != NULL)
+ rettv->vval.v_number = 2;
+ else
+ rettv->vval.v_number = 0;
+}
+
+/*
+ * "highlightID(name)" function
+ */
+ static void
+f_hlID(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ rettv->vval.v_number = syn_name2id(tv_get_string(&argvars[0]));
+}
+
+/*
+ * "highlight_exists()" function
+ */
+ static void
+f_hlexists(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ rettv->vval.v_number = highlight_exists(tv_get_string(&argvars[0]));
+}
+
+/*
+ * "hostname()" function
+ */
+ static void
+f_hostname(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ char_u hostname[256];
+
+ mch_get_host_name(hostname, 256);
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = vim_strsave(hostname);
+}
+
+/*
+ * "index()" function
+ */
+ static void
+f_index(typval_T *argvars, typval_T *rettv)
+{
+ list_T *l;
+ listitem_T *item;
+ blob_T *b;
+ long idx = 0;
+ int ic = FALSE;
+ int error = FALSE;
+
+ rettv->vval.v_number = -1;
+
+ if (in_vim9script()
+ && (check_for_list_or_blob_arg(argvars, 0) == FAIL
+ || (argvars[0].v_type == VAR_BLOB
+ && check_for_number_arg(argvars, 1) == FAIL)
+ || check_for_opt_number_arg(argvars, 2) == FAIL
+ || (argvars[2].v_type != VAR_UNKNOWN
+ && check_for_opt_bool_arg(argvars, 3) == FAIL)))
+ return;
+
+ if (argvars[0].v_type == VAR_BLOB)
+ {
+ typval_T tv;
+ int start = 0;
+
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ start = tv_get_number_chk(&argvars[2], &error);
+ if (error)
+ return;
+ }
+ b = argvars[0].vval.v_blob;
+ if (b == NULL)
+ return;
+ if (start < 0)
+ {
+ start = blob_len(b) + start;
+ if (start < 0)
+ start = 0;
+ }
+
+ for (idx = start; idx < blob_len(b); ++idx)
+ {
+ tv.v_type = VAR_NUMBER;
+ tv.vval.v_number = blob_get(b, idx);
+ if (tv_equal(&tv, &argvars[1], ic, FALSE))
+ {
+ rettv->vval.v_number = idx;
+ return;
+ }
+ }
+ return;
+ }
+ else if (argvars[0].v_type != VAR_LIST)
+ {
+ emsg(_(e_list_or_blob_required));
+ return;
+ }
+
+ l = argvars[0].vval.v_list;
+ if (l == NULL)
+ return;
+
+ CHECK_LIST_MATERIALIZE(l);
+ item = l->lv_first;
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ // Start at specified item. Use the cached index that list_find()
+ // sets, so that a negative number also works.
+ item = list_find(l, (long)tv_get_number_chk(&argvars[2], &error));
+ idx = l->lv_u.mat.lv_idx;
+ if (argvars[3].v_type != VAR_UNKNOWN)
+ ic = (int)tv_get_bool_chk(&argvars[3], &error);
+ if (error)
+ item = NULL;
+ }
+
+ for ( ; item != NULL; item = item->li_next, ++idx)
+ if (tv_equal(&item->li_tv, &argvars[1], ic, FALSE))
+ {
+ rettv->vval.v_number = idx;
+ break;
+ }
+}
+
+/*
+ * Evaluate 'expr' with the v:key and v:val arguments and return the result.
+ * The expression is expected to return a boolean value. The caller should set
+ * the VV_KEY and VV_VAL vim variables before calling this function.
+ */
+ static int
+indexof_eval_expr(typval_T *expr)
+{
+ typval_T argv[3];
+ typval_T newtv;
+ varnumber_T found;
+ int error = FALSE;
+
+ argv[0] = *get_vim_var_tv(VV_KEY);
+ argv[1] = *get_vim_var_tv(VV_VAL);
+ newtv.v_type = VAR_UNKNOWN;
+
+ if (eval_expr_typval(expr, argv, 2, NULL, &newtv) == FAIL)
+ return FALSE;
+
+ found = tv_get_bool_chk(&newtv, &error);
+ clear_tv(&newtv);
+
+ return error ? FALSE : found;
+}
+
+/*
+ * Evaluate 'expr' for each byte in the Blob 'b' starting with the byte at
+ * 'startidx' and return the index of the byte where 'expr' is TRUE. Returns
+ * -1 if 'expr' doesn't evaluate to TRUE for any of the bytes.
+ */
+ static int
+indexof_blob(blob_T *b, long startidx, typval_T *expr)
+{
+ long idx = 0;
+
+ if (b == NULL)
+ return -1;
+
+ if (startidx < 0)
+ {
+ // negative index: index from the last byte
+ startidx = blob_len(b) + startidx;
+ if (startidx < 0)
+ startidx = 0;
+ }
+
+ set_vim_var_type(VV_KEY, VAR_NUMBER);
+ set_vim_var_type(VV_VAL, VAR_NUMBER);
+
+ for (idx = startidx; idx < blob_len(b); ++idx)
+ {
+ set_vim_var_nr(VV_KEY, idx);
+ set_vim_var_nr(VV_VAL, blob_get(b, idx));
+
+ if (indexof_eval_expr(expr))
+ return idx;
+ }
+
+ return -1;
+}
+
+/*
+ * Evaluate 'expr' for each item in the List 'l' starting with the item at
+ * 'startidx' and return the index of the item where 'expr' is TRUE. Returns
+ * -1 if 'expr' doesn't evaluate to TRUE for any of the items.
+ */
+ static int
+indexof_list(list_T *l, long startidx, typval_T *expr)
+{
+ listitem_T *item;
+ long idx = 0;
+ int found;
+
+ if (l == NULL)
+ return -1;
+
+ CHECK_LIST_MATERIALIZE(l);
+
+ if (startidx == 0)
+ item = l->lv_first;
+ else
+ {
+ // Start at specified item. Use the cached index that list_find()
+ // sets, so that a negative number also works.
+ item = list_find(l, startidx);
+ if (item != NULL)
+ idx = l->lv_u.mat.lv_idx;
+ }
+
+ set_vim_var_type(VV_KEY, VAR_NUMBER);
+
+ for ( ; item != NULL; item = item->li_next, ++idx)
+ {
+ set_vim_var_nr(VV_KEY, idx);
+ copy_tv(&item->li_tv, get_vim_var_tv(VV_VAL));
+
+ found = indexof_eval_expr(expr);
+ clear_tv(get_vim_var_tv(VV_VAL));
+
+ if (found)
+ return idx;
+ }
+
+ return -1;
+}
+
+/*
+ * "indexof()" function
+ */
+ static void
+f_indexof(typval_T *argvars, typval_T *rettv)
+{
+ long startidx = 0;
+ typval_T save_val;
+ typval_T save_key;
+ int save_did_emsg;
+
+ rettv->vval.v_number = -1;
+
+ if (check_for_list_or_blob_arg(argvars, 0) == FAIL
+ || check_for_string_or_func_arg(argvars, 1) == FAIL
+ || check_for_opt_dict_arg(argvars, 2) == FAIL)
+ return;
+
+ if ((argvars[1].v_type == VAR_STRING && argvars[1].vval.v_string == NULL)
+ || (argvars[1].v_type == VAR_FUNC
+ && argvars[1].vval.v_partial == NULL))
+ return;
+
+ if (argvars[2].v_type == VAR_DICT)
+ startidx = dict_get_number_def(argvars[2].vval.v_dict, "startidx", 0);
+
+ prepare_vimvar(VV_VAL, &save_val);
+ prepare_vimvar(VV_KEY, &save_key);
+
+ // We reset "did_emsg" to be able to detect whether an error occurred
+ // during evaluation of the expression.
+ save_did_emsg = did_emsg;
+ did_emsg = FALSE;
+
+ if (argvars[0].v_type == VAR_BLOB)
+ rettv->vval.v_number = indexof_blob(argvars[0].vval.v_blob, startidx,
+ &argvars[1]);
+ else
+ rettv->vval.v_number = indexof_list(argvars[0].vval.v_list, startidx,
+ &argvars[1]);
+
+ restore_vimvar(VV_KEY, &save_key);
+ restore_vimvar(VV_VAL, &save_val);
+ did_emsg |= save_did_emsg;
+}
+
+static int inputsecret_flag = 0;
+
+/*
+ * "input()" function
+ * Also handles inputsecret() when inputsecret is set.
+ */
+ static void
+f_input(typval_T *argvars, typval_T *rettv)
+{
+ get_user_input(argvars, rettv, FALSE, inputsecret_flag);
+}
+
+/*
+ * "inputdialog()" function
+ */
+ static void
+f_inputdialog(typval_T *argvars, typval_T *rettv)
+{
+#if defined(FEAT_GUI_TEXTDIALOG)
+ // Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions'
+ if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL)
+ {
+ char_u *message;
+ char_u buf[NUMBUFLEN];
+ char_u *defstr = (char_u *)"";
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_string_arg(argvars, 2) == FAIL)))
+ return;
+
+ message = tv_get_string_chk(&argvars[0]);
+ if (argvars[1].v_type != VAR_UNKNOWN
+ && (defstr = tv_get_string_buf_chk(&argvars[1], buf)) != NULL)
+ vim_strncpy(IObuff, defstr, IOSIZE - 1);
+ else
+ IObuff[0] = NUL;
+ if (message != NULL && defstr != NULL
+ && do_dialog(VIM_QUESTION, NULL, message,
+ (char_u *)_("&OK\n&Cancel"), 1, IObuff, FALSE) == 1)
+ rettv->vval.v_string = vim_strsave(IObuff);
+ else
+ {
+ if (message != NULL && defstr != NULL
+ && argvars[1].v_type != VAR_UNKNOWN
+ && argvars[2].v_type != VAR_UNKNOWN)
+ rettv->vval.v_string = vim_strsave(
+ tv_get_string_buf(&argvars[2], buf));
+ else
+ rettv->vval.v_string = NULL;
+ }
+ rettv->v_type = VAR_STRING;
+ }
+ else
+#endif
+ get_user_input(argvars, rettv, TRUE, inputsecret_flag);
+}
+
+/*
+ * "inputlist()" function
+ */
+ static void
+f_inputlist(typval_T *argvars, typval_T *rettv)
+{
+ list_T *l;
+ listitem_T *li;
+ int selected;
+ int mouse_used;
+
+#ifdef NO_CONSOLE_INPUT
+ // While starting up, there is no place to enter text. When running tests
+ // with --not-a-term we assume feedkeys() will be used.
+ if (no_console_input() && !is_not_a_term())
+ return;
+#endif
+ if (in_vim9script() && check_for_list_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type != VAR_LIST || argvars[0].vval.v_list == NULL)
+ {
+ semsg(_(e_argument_of_str_must_be_list), "inputlist()");
+ return;
+ }
+
+ msg_start();
+ msg_row = Rows - 1; // for when 'cmdheight' > 1
+ lines_left = Rows; // avoid more prompt
+ msg_scroll = TRUE;
+ msg_clr_eos();
+
+ l = argvars[0].vval.v_list;
+ CHECK_LIST_MATERIALIZE(l);
+ FOR_ALL_LIST_ITEMS(l, li)
+ {
+ msg_puts((char *)tv_get_string(&li->li_tv));
+ msg_putchar('\n');
+ }
+
+ // Ask for choice.
+ selected = prompt_for_number(&mouse_used);
+ if (mouse_used)
+ selected -= lines_left;
+
+ rettv->vval.v_number = selected;
+}
+
+static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL};
+
+/*
+ * "inputrestore()" function
+ */
+ static void
+f_inputrestore(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ if (ga_userinput.ga_len > 0)
+ {
+ --ga_userinput.ga_len;
+ restore_typeahead((tasave_T *)(ga_userinput.ga_data)
+ + ga_userinput.ga_len, TRUE);
+ // default return is zero == OK
+ }
+ else if (p_verbose > 1)
+ {
+ verb_msg(_("called inputrestore() more often than inputsave()"));
+ rettv->vval.v_number = 1; // Failed
+ }
+}
+
+/*
+ * "inputsave()" function
+ */
+ static void
+f_inputsave(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ // Add an entry to the stack of typeahead storage.
+ if (ga_grow(&ga_userinput, 1) == OK)
+ {
+ save_typeahead((tasave_T *)(ga_userinput.ga_data)
+ + ga_userinput.ga_len);
+ ++ga_userinput.ga_len;
+ // default return is zero == OK
+ }
+ else
+ rettv->vval.v_number = 1; // Failed
+}
+
+/*
+ * "inputsecret()" function
+ */
+ static void
+f_inputsecret(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 1) == FAIL))
+ return;
+
+ ++cmdline_star;
+ ++inputsecret_flag;
+ f_input(argvars, rettv);
+ --cmdline_star;
+ --inputsecret_flag;
+}
+
+/*
+ * "interrupt()" function
+ */
+ static void
+f_interrupt(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ got_int = TRUE;
+}
+
+/*
+ * "invert(expr)" function
+ */
+ static void
+f_invert(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_number_arg(argvars, 0) == FAIL)
+ return;
+
+ rettv->vval.v_number = ~tv_get_number_chk(&argvars[0], NULL);
+}
+
+/*
+ * "islocked()" function
+ */
+ static void
+f_islocked(typval_T *argvars, typval_T *rettv)
+{
+ lval_T lv;
+ char_u *end;
+ dictitem_T *di;
+
+ rettv->vval.v_number = -1;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ end = get_lval(tv_get_string(&argvars[0]), NULL, &lv, FALSE, FALSE,
+ GLV_NO_AUTOLOAD | GLV_READ_ONLY | GLV_NO_DECL,
+ FNE_CHECK_START);
+ if (end != NULL && lv.ll_name != NULL)
+ {
+ if (*end != NUL)
+ {
+ semsg(_(lv.ll_name == lv.ll_name_end
+ ? e_invalid_argument_str : e_trailing_characters_str), end);
+ }
+ else
+ {
+ if (lv.ll_tv == NULL)
+ {
+ di = find_var(lv.ll_name, NULL, TRUE);
+ if (di != NULL)
+ {
+ // Consider a variable locked when:
+ // 1. the variable itself is locked
+ // 2. the value of the variable is locked.
+ // 3. the List or Dict value is locked.
+ rettv->vval.v_number = ((di->di_flags & DI_FLAGS_LOCK)
+ || tv_islocked(&di->di_tv));
+ }
+ }
+ else if (lv.ll_range)
+ emsg(_(e_range_not_allowed));
+ else if (lv.ll_newkey != NULL)
+ semsg(_(e_key_not_present_in_dictionary_str), lv.ll_newkey);
+ else if (lv.ll_list != NULL)
+ // List item.
+ rettv->vval.v_number = tv_islocked(&lv.ll_li->li_tv);
+ else
+ // Dictionary item.
+ rettv->vval.v_number = tv_islocked(&lv.ll_di->di_tv);
+ }
+ }
+
+ clear_lval(&lv);
+}
+
+/*
+ * "keytrans()" function
+ */
+ static void
+f_keytrans(typval_T *argvars, typval_T *rettv)
+{
+ char_u *escaped;
+
+ rettv->v_type = VAR_STRING;
+ if (check_for_string_arg(argvars, 0) == FAIL
+ || argvars[0].vval.v_string == NULL)
+ return;
+ // Need to escape K_SPECIAL and CSI for mb_unescape().
+ escaped = vim_strsave_escape_csi(argvars[0].vval.v_string);
+ rettv->vval.v_string = str2special_save(escaped, TRUE, TRUE);
+ vim_free(escaped);
+}
+
+/*
+ * "last_buffer_nr()" function.
+ */
+ static void
+f_last_buffer_nr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ int n = 0;
+ buf_T *buf;
+
+ FOR_ALL_BUFFERS(buf)
+ if (n < buf->b_fnum)
+ n = buf->b_fnum;
+
+ rettv->vval.v_number = n;
+}
+
+/*
+ * "len()" function
+ */
+ void
+f_len(typval_T *argvars, typval_T *rettv)
+{
+ switch (argvars[0].v_type)
+ {
+ case VAR_STRING:
+ case VAR_NUMBER:
+ rettv->vval.v_number = (varnumber_T)STRLEN(
+ tv_get_string(&argvars[0]));
+ break;
+ case VAR_BLOB:
+ rettv->vval.v_number = blob_len(argvars[0].vval.v_blob);
+ break;
+ case VAR_LIST:
+ rettv->vval.v_number = list_len(argvars[0].vval.v_list);
+ break;
+ case VAR_DICT:
+ rettv->vval.v_number = dict_len(argvars[0].vval.v_dict);
+ break;
+ case VAR_UNKNOWN:
+ case VAR_ANY:
+ case VAR_VOID:
+ case VAR_BOOL:
+ case VAR_SPECIAL:
+ case VAR_FLOAT:
+ case VAR_FUNC:
+ case VAR_PARTIAL:
+ case VAR_JOB:
+ case VAR_CHANNEL:
+ case VAR_INSTR:
+ case VAR_CLASS:
+ case VAR_OBJECT:
+ emsg(_(e_invalid_type_for_len));
+ break;
+ }
+}
+
+ static void
+libcall_common(typval_T *argvars UNUSED, typval_T *rettv, int type)
+{
+#ifdef FEAT_LIBCALL
+ char_u *string_in;
+ char_u **string_result;
+ int nr_result;
+#endif
+
+ rettv->v_type = type;
+ if (type != VAR_NUMBER)
+ rettv->vval.v_string = NULL;
+
+ if (check_restricted() || check_secure())
+ return;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL
+ || check_for_string_or_number_arg(argvars, 2) == FAIL))
+ return;
+
+#ifdef FEAT_LIBCALL
+ // The first two args must be strings, otherwise it's meaningless
+ if (argvars[0].v_type == VAR_STRING && argvars[1].v_type == VAR_STRING)
+ {
+ string_in = NULL;
+ if (argvars[2].v_type == VAR_STRING)
+ string_in = argvars[2].vval.v_string;
+ if (type == VAR_NUMBER)
+ {
+ string_result = NULL;
+ }
+ else
+ {
+ rettv->vval.v_string = NULL;
+ string_result = &rettv->vval.v_string;
+ }
+ if (mch_libcall(argvars[0].vval.v_string,
+ argvars[1].vval.v_string,
+ string_in,
+ argvars[2].vval.v_number,
+ string_result,
+ &nr_result) == OK
+ && type == VAR_NUMBER)
+ rettv->vval.v_number = nr_result;
+ }
+#endif
+}
+
+/*
+ * "libcall()" function
+ */
+ static void
+f_libcall(typval_T *argvars, typval_T *rettv)
+{
+ libcall_common(argvars, rettv, VAR_STRING);
+}
+
+/*
+ * "libcallnr()" function
+ */
+ static void
+f_libcallnr(typval_T *argvars, typval_T *rettv)
+{
+ libcall_common(argvars, rettv, VAR_NUMBER);
+}
+
+/*
+ * "line(string, [winid])" function
+ */
+ static void
+f_line(typval_T *argvars, typval_T *rettv)
+{
+ linenr_T lnum = 0;
+ pos_T *fp = NULL;
+ int fnum;
+ int id;
+ tabpage_T *tp;
+ win_T *wp;
+ switchwin_T switchwin;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_number_arg(argvars, 1) == FAIL))
+ return;
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ // use window specified in the second argument
+ id = (int)tv_get_number(&argvars[1]);
+ wp = win_id2wp_tp(id, &tp);
+ if (wp != NULL && tp != NULL)
+ {
+ if (switch_win_noblock(&switchwin, wp, tp, TRUE) == OK)
+ {
+ check_cursor();
+ fp = var2fpos(&argvars[0], TRUE, &fnum, FALSE);
+ }
+ restore_win_noblock(&switchwin, TRUE);
+ }
+ }
+ else
+ // use current window
+ fp = var2fpos(&argvars[0], TRUE, &fnum, FALSE);
+
+ if (fp != NULL)
+ lnum = fp->lnum;
+ rettv->vval.v_number = lnum;
+}
+
+/*
+ * "line2byte(lnum)" function
+ */
+ static void
+f_line2byte(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifndef FEAT_BYTEOFF
+ rettv->vval.v_number = -1;
+#else
+ linenr_T lnum;
+
+ if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL)
+ return;
+
+ lnum = tv_get_lnum(argvars);
+ if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1)
+ rettv->vval.v_number = -1;
+ else
+ rettv->vval.v_number = ml_find_line_or_offset(curbuf, lnum, NULL);
+ if (rettv->vval.v_number >= 0)
+ ++rettv->vval.v_number;
+#endif
+}
+
+#ifdef FEAT_LUA
+/*
+ * "luaeval()" function
+ */
+ static void
+f_luaeval(typval_T *argvars, typval_T *rettv)
+{
+ char_u *str;
+ char_u buf[NUMBUFLEN];
+
+ if (check_restricted() || check_secure())
+ return;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ str = tv_get_string_buf(&argvars[0], buf);
+ do_luaeval(str, argvars + 1, rettv);
+}
+#endif
+
+typedef enum
+{
+ MATCH_END, // matchend()
+ MATCH_MATCH, // match()
+ MATCH_STR, // matchstr()
+ MATCH_LIST, // matchlist()
+ MATCH_POS // matchstrpos()
+} matchtype_T;
+
+ static void
+find_some_match(typval_T *argvars, typval_T *rettv, matchtype_T type)
+{
+ char_u *str = NULL;
+ long len = 0;
+ char_u *expr = NULL;
+ char_u *pat;
+ regmatch_T regmatch;
+ char_u patbuf[NUMBUFLEN];
+ char_u strbuf[NUMBUFLEN];
+ char_u *save_cpo;
+ long start = 0;
+ long nth = 1;
+ colnr_T startcol = 0;
+ int match = 0;
+ list_T *l = NULL;
+ listitem_T *li = NULL;
+ long idx = 0;
+ char_u *tofree = NULL;
+
+ // Make 'cpoptions' empty, the 'l' flag should not be used here.
+ save_cpo = p_cpo;
+ p_cpo = empty_option;
+
+ rettv->vval.v_number = -1;
+ if (type == MATCH_LIST || type == MATCH_POS)
+ {
+ // type MATCH_LIST: return empty list when there are no matches.
+ // type MATCH_POS: return ["", -1, -1, -1]
+ if (rettv_list_alloc(rettv) == FAIL)
+ goto theend;
+ if (type == MATCH_POS
+ && (list_append_string(rettv->vval.v_list,
+ (char_u *)"", 0) == FAIL
+ || list_append_number(rettv->vval.v_list,
+ (varnumber_T)-1) == FAIL
+ || list_append_number(rettv->vval.v_list,
+ (varnumber_T)-1) == FAIL
+ || list_append_number(rettv->vval.v_list,
+ (varnumber_T)-1) == FAIL))
+ {
+ list_free(rettv->vval.v_list);
+ rettv->vval.v_list = NULL;
+ goto theend;
+ }
+ }
+ else if (type == MATCH_STR)
+ {
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = NULL;
+ }
+
+ if (in_vim9script()
+ && (check_for_string_or_list_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL
+ || check_for_opt_number_arg(argvars, 2) == FAIL
+ || (argvars[2].v_type != VAR_UNKNOWN
+ && check_for_opt_number_arg(argvars, 3) == FAIL)))
+ goto theend;
+
+ if (argvars[0].v_type == VAR_LIST)
+ {
+ if ((l = argvars[0].vval.v_list) == NULL)
+ goto theend;
+ CHECK_LIST_MATERIALIZE(l);
+ li = l->lv_first;
+ }
+ else
+ {
+ expr = str = tv_get_string(&argvars[0]);
+ len = (long)STRLEN(str);
+ }
+
+ pat = tv_get_string_buf_chk(&argvars[1], patbuf);
+ if (pat == NULL)
+ goto theend;
+
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ int error = FALSE;
+
+ start = (long)tv_get_number_chk(&argvars[2], &error);
+ if (error)
+ goto theend;
+ if (l != NULL)
+ {
+ li = list_find(l, start);
+ if (li == NULL)
+ goto theend;
+ idx = l->lv_u.mat.lv_idx; // use the cached index
+ }
+ else
+ {
+ if (start < 0)
+ start = 0;
+ if (start > len)
+ goto theend;
+ // When "count" argument is there ignore matches before "start",
+ // otherwise skip part of the string. Differs when pattern is "^"
+ // or "\<".
+ if (argvars[3].v_type != VAR_UNKNOWN)
+ startcol = start;
+ else
+ {
+ str += start;
+ len -= start;
+ }
+ }
+
+ if (argvars[3].v_type != VAR_UNKNOWN)
+ nth = (long)tv_get_number_chk(&argvars[3], &error);
+ if (error)
+ goto theend;
+ }
+
+ regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
+ if (regmatch.regprog != NULL)
+ {
+ regmatch.rm_ic = p_ic;
+
+ for (;;)
+ {
+ if (l != NULL)
+ {
+ if (li == NULL)
+ {
+ match = FALSE;
+ break;
+ }
+ vim_free(tofree);
+ expr = str = echo_string(&li->li_tv, &tofree, strbuf, 0);
+ if (str == NULL)
+ break;
+ }
+
+ match = vim_regexec_nl(&regmatch, str, startcol);
+
+ if (match && --nth <= 0)
+ break;
+ if (l == NULL && !match)
+ break;
+
+ // Advance to just after the match.
+ if (l != NULL)
+ {
+ li = li->li_next;
+ ++idx;
+ }
+ else
+ {
+ startcol = (colnr_T)(regmatch.startp[0]
+ + (*mb_ptr2len)(regmatch.startp[0]) - str);
+ if (startcol > (colnr_T)len
+ || str + startcol <= regmatch.startp[0])
+ {
+ match = FALSE;
+ break;
+ }
+ }
+ }
+
+ if (match)
+ {
+ if (type == MATCH_POS)
+ {
+ listitem_T *li1 = rettv->vval.v_list->lv_first;
+ listitem_T *li2 = li1->li_next;
+ listitem_T *li3 = li2->li_next;
+ listitem_T *li4 = li3->li_next;
+
+ vim_free(li1->li_tv.vval.v_string);
+ li1->li_tv.vval.v_string = vim_strnsave(regmatch.startp[0],
+ regmatch.endp[0] - regmatch.startp[0]);
+ li3->li_tv.vval.v_number =
+ (varnumber_T)(regmatch.startp[0] - expr);
+ li4->li_tv.vval.v_number =
+ (varnumber_T)(regmatch.endp[0] - expr);
+ if (l != NULL)
+ li2->li_tv.vval.v_number = (varnumber_T)idx;
+ }
+ else if (type == MATCH_LIST)
+ {
+ int i;
+
+ // return list with matched string and submatches
+ for (i = 0; i < NSUBEXP; ++i)
+ {
+ if (regmatch.endp[i] == NULL)
+ {
+ if (list_append_string(rettv->vval.v_list,
+ (char_u *)"", 0) == FAIL)
+ break;
+ }
+ else if (list_append_string(rettv->vval.v_list,
+ regmatch.startp[i],
+ (int)(regmatch.endp[i] - regmatch.startp[i]))
+ == FAIL)
+ break;
+ }
+ }
+ else if (type == MATCH_STR)
+ {
+ // return matched string
+ if (l != NULL)
+ copy_tv(&li->li_tv, rettv);
+ else
+ rettv->vval.v_string = vim_strnsave(regmatch.startp[0],
+ regmatch.endp[0] - regmatch.startp[0]);
+ }
+ else if (l != NULL)
+ rettv->vval.v_number = idx;
+ else
+ {
+ if (type != MATCH_END)
+ rettv->vval.v_number =
+ (varnumber_T)(regmatch.startp[0] - str);
+ else
+ rettv->vval.v_number =
+ (varnumber_T)(regmatch.endp[0] - str);
+ rettv->vval.v_number += (varnumber_T)(str - expr);
+ }
+ }
+ vim_regfree(regmatch.regprog);
+ }
+
+theend:
+ if (type == MATCH_POS && l == NULL && rettv->vval.v_list != NULL)
+ // matchstrpos() without a list: drop the second item.
+ listitem_remove(rettv->vval.v_list,
+ rettv->vval.v_list->lv_first->li_next);
+ vim_free(tofree);
+ p_cpo = save_cpo;
+}
+
+/*
+ * "match()" function
+ */
+ static void
+f_match(typval_T *argvars, typval_T *rettv)
+{
+ find_some_match(argvars, rettv, MATCH_MATCH);
+}
+
+/*
+ * "matchend()" function
+ */
+ static void
+f_matchend(typval_T *argvars, typval_T *rettv)
+{
+ find_some_match(argvars, rettv, MATCH_END);
+}
+
+/*
+ * "matchlist()" function
+ */
+ static void
+f_matchlist(typval_T *argvars, typval_T *rettv)
+{
+ find_some_match(argvars, rettv, MATCH_LIST);
+}
+
+/*
+ * "matchstr()" function
+ */
+ static void
+f_matchstr(typval_T *argvars, typval_T *rettv)
+{
+ find_some_match(argvars, rettv, MATCH_STR);
+}
+
+/*
+ * "matchstrpos()" function
+ */
+ static void
+f_matchstrpos(typval_T *argvars, typval_T *rettv)
+{
+ find_some_match(argvars, rettv, MATCH_POS);
+}
+
+ static void
+max_min(typval_T *argvars, typval_T *rettv, int domax)
+{
+ varnumber_T n = 0;
+ varnumber_T i;
+ int error = FALSE;
+
+ if (in_vim9script() && check_for_list_or_dict_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type == VAR_LIST)
+ {
+ list_T *l;
+ listitem_T *li;
+
+ l = argvars[0].vval.v_list;
+ if (l != NULL && l->lv_len > 0)
+ {
+ if (l->lv_first == &range_list_item)
+ {
+ if ((l->lv_u.nonmat.lv_stride > 0) ^ domax)
+ n = l->lv_u.nonmat.lv_start;
+ else
+ n = l->lv_u.nonmat.lv_start + ((varnumber_T)l->lv_len - 1)
+ * l->lv_u.nonmat.lv_stride;
+ }
+ else
+ {
+ li = l->lv_first;
+ if (li != NULL)
+ {
+ n = tv_get_number_chk(&li->li_tv, &error);
+ if (error)
+ return; // type error; errmsg already given
+ for (;;)
+ {
+ li = li->li_next;
+ if (li == NULL)
+ break;
+ i = tv_get_number_chk(&li->li_tv, &error);
+ if (error)
+ return; // type error; errmsg already given
+ if (domax ? i > n : i < n)
+ n = i;
+ }
+ }
+ }
+ }
+ }
+ else if (argvars[0].v_type == VAR_DICT)
+ {
+ dict_T *d;
+ int first = TRUE;
+ hashitem_T *hi;
+ int todo;
+
+ d = argvars[0].vval.v_dict;
+ if (d != NULL)
+ {
+ todo = (int)d->dv_hashtab.ht_used;
+ for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi)
+ {
+ if (!HASHITEM_EMPTY(hi))
+ {
+ --todo;
+ i = tv_get_number_chk(&HI2DI(hi)->di_tv, &error);
+ if (error)
+ return; // type error; errmsg already given
+ if (first)
+ {
+ n = i;
+ first = FALSE;
+ }
+ else if (domax ? i > n : i < n)
+ n = i;
+ }
+ }
+ }
+ }
+ else
+ semsg(_(e_argument_of_str_must_be_list_or_dictionary), domax ? "max()" : "min()");
+
+ rettv->vval.v_number = n;
+}
+
+/*
+ * "max()" function
+ */
+ static void
+f_max(typval_T *argvars, typval_T *rettv)
+{
+ max_min(argvars, rettv, TRUE);
+}
+
+/*
+ * "min()" function
+ */
+ static void
+f_min(typval_T *argvars, typval_T *rettv)
+{
+ max_min(argvars, rettv, FALSE);
+}
+
+#if defined(FEAT_MZSCHEME) || defined(PROTO)
+/*
+ * "mzeval()" function
+ */
+ static void
+f_mzeval(typval_T *argvars, typval_T *rettv)
+{
+ char_u *str;
+ char_u buf[NUMBUFLEN];
+
+ if (check_restricted() || check_secure())
+ return;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ str = tv_get_string_buf(&argvars[0], buf);
+ do_mzeval(str, rettv);
+}
+
+ void
+mzscheme_call_vim(char_u *name, typval_T *args, typval_T *rettv)
+{
+ typval_T argvars[3];
+
+ argvars[0].v_type = VAR_STRING;
+ argvars[0].vval.v_string = name;
+ copy_tv(args, &argvars[1]);
+ argvars[2].v_type = VAR_UNKNOWN;
+ f_call(argvars, rettv);
+ clear_tv(&argvars[1]);
+}
+#endif
+
+/*
+ * "nextnonblank()" function
+ */
+ static void
+f_nextnonblank(typval_T *argvars, typval_T *rettv)
+{
+ linenr_T lnum;
+
+ if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL)
+ return;
+
+ for (lnum = tv_get_lnum(argvars); ; ++lnum)
+ {
+ if (lnum < 0 || lnum > curbuf->b_ml.ml_line_count)
+ {
+ lnum = 0;
+ break;
+ }
+ if (*skipwhite(ml_get(lnum)) != NUL)
+ break;
+ }
+ rettv->vval.v_number = lnum;
+}
+
+/*
+ * "nr2char()" function
+ */
+ static void
+f_nr2char(typval_T *argvars, typval_T *rettv)
+{
+ char_u buf[NUMBUFLEN];
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_opt_bool_arg(argvars, 1) == FAIL))
+ return;
+
+ if (has_mbyte)
+ {
+ int utf8 = 0;
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ utf8 = (int)tv_get_bool_chk(&argvars[1], NULL);
+ if (utf8)
+ buf[utf_char2bytes((int)tv_get_number(&argvars[0]), buf)] = NUL;
+ else
+ buf[(*mb_char2bytes)((int)tv_get_number(&argvars[0]), buf)] = NUL;
+ }
+ else
+ {
+ buf[0] = (char_u)tv_get_number(&argvars[0]);
+ buf[1] = NUL;
+ }
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = vim_strsave(buf);
+}
+
+/*
+ * "or(expr, expr)" function
+ */
+ static void
+f_or(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ rettv->vval.v_number = tv_get_number_chk(&argvars[0], NULL)
+ | tv_get_number_chk(&argvars[1], NULL);
+}
+
+#ifdef FEAT_PERL
+/*
+ * "perleval()" function
+ */
+ static void
+f_perleval(typval_T *argvars, typval_T *rettv)
+{
+ char_u *str;
+ char_u buf[NUMBUFLEN];
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ str = tv_get_string_buf(&argvars[0], buf);
+ do_perleval(str, rettv);
+}
+#endif
+
+/*
+ * "prevnonblank()" function
+ */
+ static void
+f_prevnonblank(typval_T *argvars, typval_T *rettv)
+{
+ linenr_T lnum;
+
+ if (in_vim9script() && check_for_lnum_arg(argvars, 0) == FAIL)
+ return;
+
+ lnum = tv_get_lnum(argvars);
+ if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count)
+ lnum = 0;
+ else
+ while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL)
+ --lnum;
+ rettv->vval.v_number = lnum;
+}
+
+// This dummy va_list is here because:
+// - passing a NULL pointer doesn't work when va_list isn't a pointer
+// - locally in the function results in a "used before set" warning
+// - using va_start() to initialize it gives "function with fixed args" error
+static va_list ap;
+
+/*
+ * "printf()" function
+ */
+ static void
+f_printf(typval_T *argvars, typval_T *rettv)
+{
+ char_u buf[NUMBUFLEN];
+ int len;
+ char_u *s;
+ int saved_did_emsg = did_emsg;
+ char *fmt;
+
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = NULL;
+
+ if (in_vim9script() && check_for_string_or_number_arg(argvars, 0) == FAIL)
+ return;
+
+ // Get the required length, allocate the buffer and do it for real.
+ did_emsg = FALSE;
+ fmt = (char *)tv_get_string_buf(&argvars[0], buf);
+ len = vim_vsnprintf_typval(NULL, 0, fmt, ap, argvars + 1);
+ if (!did_emsg)
+ {
+ s = alloc(len + 1);
+ if (s != NULL)
+ {
+ rettv->vval.v_string = s;
+ (void)vim_vsnprintf_typval((char *)s, len + 1, fmt,
+ ap, argvars + 1);
+ }
+ }
+ did_emsg |= saved_did_emsg;
+}
+
+/*
+ * "pum_getpos()" function
+ */
+ static void
+f_pum_getpos(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ if (rettv_dict_alloc(rettv) == FAIL)
+ return;
+ pum_set_event_info(rettv->vval.v_dict);
+}
+
+/*
+ * "pumvisible()" function
+ */
+ static void
+f_pumvisible(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ if (pum_visible())
+ rettv->vval.v_number = 1;
+}
+
+#ifdef FEAT_PYTHON3
+/*
+ * "py3eval()" function
+ */
+ static void
+f_py3eval(typval_T *argvars, typval_T *rettv)
+{
+ char_u *str;
+ char_u buf[NUMBUFLEN];
+
+ if (check_restricted() || check_secure())
+ return;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ if (p_pyx == 0)
+ p_pyx = 3;
+
+ str = tv_get_string_buf(&argvars[0], buf);
+ do_py3eval(str, rettv);
+}
+#endif
+
+#ifdef FEAT_PYTHON
+/*
+ * "pyeval()" function
+ */
+ static void
+f_pyeval(typval_T *argvars, typval_T *rettv)
+{
+ char_u *str;
+ char_u buf[NUMBUFLEN];
+
+ if (check_restricted() || check_secure())
+ return;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ if (p_pyx == 0)
+ p_pyx = 2;
+
+ str = tv_get_string_buf(&argvars[0], buf);
+ do_pyeval(str, rettv);
+}
+#endif
+
+#if defined(FEAT_PYTHON) || defined(FEAT_PYTHON3)
+/*
+ * "pyxeval()" function
+ */
+ static void
+f_pyxeval(typval_T *argvars, typval_T *rettv)
+{
+ if (check_restricted() || check_secure())
+ return;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+# if defined(FEAT_PYTHON) && defined(FEAT_PYTHON3)
+ init_pyxversion();
+ if (p_pyx == 2)
+ f_pyeval(argvars, rettv);
+ else
+ f_py3eval(argvars, rettv);
+# elif defined(FEAT_PYTHON)
+ f_pyeval(argvars, rettv);
+# elif defined(FEAT_PYTHON3)
+ f_py3eval(argvars, rettv);
+# endif
+}
+#endif
+
+static UINT32_T srand_seed_for_testing = 0;
+static int srand_seed_for_testing_is_used = FALSE;
+
+ static void
+f_test_srand_seed(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ if (in_vim9script() && check_for_opt_number_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type == VAR_UNKNOWN)
+ srand_seed_for_testing_is_used = FALSE;
+ else
+ {
+ srand_seed_for_testing = (UINT32_T)tv_get_number(&argvars[0]);
+ srand_seed_for_testing_is_used = TRUE;
+ }
+}
+
+ static void
+init_srand(UINT32_T *x)
+{
+#ifndef MSWIN
+ static int dev_urandom_state = NOTDONE; // FAIL or OK once tried
+#endif
+
+ if (srand_seed_for_testing_is_used)
+ {
+ *x = srand_seed_for_testing;
+ return;
+ }
+#ifndef MSWIN
+ if (dev_urandom_state != FAIL)
+ {
+ int fd = open("/dev/urandom", O_RDONLY);
+ struct {
+ union {
+ UINT32_T number;
+ char bytes[sizeof(UINT32_T)];
+ } contents;
+ } buf;
+
+ // Attempt reading /dev/urandom.
+ if (fd == -1)
+ dev_urandom_state = FAIL;
+ else
+ {
+ buf.contents.number = 0;
+ if (read(fd, buf.contents.bytes, sizeof(UINT32_T))
+ != sizeof(UINT32_T))
+ dev_urandom_state = FAIL;
+ else
+ {
+ dev_urandom_state = OK;
+ *x = buf.contents.number;
+ }
+ close(fd);
+ }
+ }
+ if (dev_urandom_state != OK)
+#endif
+ {
+ // Reading /dev/urandom doesn't work, fall back to:
+ // - randombytes_random()
+ // - reltime() or time()
+ // - XOR with process ID
+#if defined(FEAT_SODIUM)
+ if (crypt_sodium_init() >= 0)
+ *x = crypt_sodium_randombytes_random();
+ else
+#endif
+ {
+#if defined(FEAT_RELTIME)
+ proftime_T res;
+ profile_start(&res);
+# if defined(MSWIN)
+ *x = (UINT32_T)res.LowPart;
+# else
+ *x = (UINT32_T)res.tv_usec;
+# endif
+#else
+ *x = vim_time();
+#endif
+ *x ^= mch_get_pid();
+ }
+ }
+}
+
+#define ROTL(x, k) (((x) << (k)) | ((x) >> (32 - (k))))
+#define SPLITMIX32(x, z) ( \
+ (z) = ((x) += 0x9e3779b9), \
+ (z) = ((z) ^ ((z) >> 16)) * 0x85ebca6b, \
+ (z) = ((z) ^ ((z) >> 13)) * 0xc2b2ae35, \
+ (z) ^ ((z) >> 16) \
+ )
+#define SHUFFLE_XOSHIRO128STARSTAR(x, y, z, w) \
+ result = ROTL((y) * 5, 7) * 9; \
+ t = (y) << 9; \
+ (z) ^= (x); \
+ (w) ^= (y); \
+ (y) ^= (z), (x) ^= (w); \
+ (z) ^= t; \
+ (w) = ROTL(w, 11);
+
+/*
+ * "rand()" function
+ */
+ static void
+f_rand(typval_T *argvars, typval_T *rettv)
+{
+ list_T *l = NULL;
+ static UINT32_T gx, gy, gz, gw;
+ static int initialized = FALSE;
+ listitem_T *lx, *ly, *lz, *lw;
+ UINT32_T x = 0, y, z, w, t, result;
+
+ if (in_vim9script() && check_for_opt_list_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type == VAR_UNKNOWN)
+ {
+ // When no argument is given use the global seed list.
+ if (initialized == FALSE)
+ {
+ // Initialize the global seed list.
+ init_srand(&x);
+
+ gx = SPLITMIX32(x, z);
+ gy = SPLITMIX32(x, z);
+ gz = SPLITMIX32(x, z);
+ gw = SPLITMIX32(x, z);
+ initialized = TRUE;
+ }
+
+ SHUFFLE_XOSHIRO128STARSTAR(gx, gy, gz, gw);
+ }
+ else if (argvars[0].v_type == VAR_LIST)
+ {
+ l = argvars[0].vval.v_list;
+ if (l == NULL || list_len(l) != 4)
+ goto theend;
+
+ lx = list_find(l, 0L);
+ ly = list_find(l, 1L);
+ lz = list_find(l, 2L);
+ lw = list_find(l, 3L);
+ if (lx->li_tv.v_type != VAR_NUMBER) goto theend;
+ if (ly->li_tv.v_type != VAR_NUMBER) goto theend;
+ if (lz->li_tv.v_type != VAR_NUMBER) goto theend;
+ if (lw->li_tv.v_type != VAR_NUMBER) goto theend;
+ x = (UINT32_T)lx->li_tv.vval.v_number;
+ y = (UINT32_T)ly->li_tv.vval.v_number;
+ z = (UINT32_T)lz->li_tv.vval.v_number;
+ w = (UINT32_T)lw->li_tv.vval.v_number;
+
+ SHUFFLE_XOSHIRO128STARSTAR(x, y, z, w);
+
+ lx->li_tv.vval.v_number = (varnumber_T)x;
+ ly->li_tv.vval.v_number = (varnumber_T)y;
+ lz->li_tv.vval.v_number = (varnumber_T)z;
+ lw->li_tv.vval.v_number = (varnumber_T)w;
+ }
+ else
+ goto theend;
+
+ rettv->v_type = VAR_NUMBER;
+ rettv->vval.v_number = (varnumber_T)result;
+ return;
+
+theend:
+ semsg(_(e_invalid_argument_str), tv_get_string(&argvars[0]));
+ rettv->v_type = VAR_NUMBER;
+ rettv->vval.v_number = -1;
+}
+
+/*
+ * "srand()" function
+ */
+ static void
+f_srand(typval_T *argvars, typval_T *rettv)
+{
+ UINT32_T x = 0, z;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+
+ if (in_vim9script() && check_for_opt_number_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type == VAR_UNKNOWN)
+ {
+ init_srand(&x);
+ }
+ else
+ {
+ int error = FALSE;
+
+ x = (UINT32_T)tv_get_number_chk(&argvars[0], &error);
+ if (error)
+ return;
+ }
+
+ list_append_number(rettv->vval.v_list, (varnumber_T)SPLITMIX32(x, z));
+ list_append_number(rettv->vval.v_list, (varnumber_T)SPLITMIX32(x, z));
+ list_append_number(rettv->vval.v_list, (varnumber_T)SPLITMIX32(x, z));
+ list_append_number(rettv->vval.v_list, (varnumber_T)SPLITMIX32(x, z));
+}
+
+#undef ROTL
+#undef SPLITMIX32
+#undef SHUFFLE_XOSHIRO128STARSTAR
+
+/*
+ * "range()" function
+ */
+ static void
+f_range(typval_T *argvars, typval_T *rettv)
+{
+ varnumber_T start;
+ varnumber_T end;
+ varnumber_T stride = 1;
+ int error = FALSE;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_opt_number_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_number_arg(argvars, 2) == FAIL)))
+ return;
+
+ start = tv_get_number_chk(&argvars[0], &error);
+ if (argvars[1].v_type == VAR_UNKNOWN)
+ {
+ end = start - 1;
+ start = 0;
+ }
+ else
+ {
+ end = tv_get_number_chk(&argvars[1], &error);
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ stride = tv_get_number_chk(&argvars[2], &error);
+ }
+
+ if (error)
+ return; // type error; errmsg already given
+ if (stride == 0)
+ {
+ emsg(_(e_stride_is_zero));
+ return;
+ }
+ if (stride > 0 ? end + 1 < start : end - 1 > start)
+ {
+ emsg(_(e_start_past_end));
+ return;
+ }
+
+ list_T *list = rettv->vval.v_list;
+
+ // Create a non-materialized list. This is much more efficient and
+ // works with ":for". If used otherwise CHECK_LIST_MATERIALIZE() must
+ // be called.
+ list->lv_first = &range_list_item;
+ list->lv_u.nonmat.lv_start = start;
+ list->lv_u.nonmat.lv_end = end;
+ list->lv_u.nonmat.lv_stride = stride;
+ list->lv_len = (end - start) / stride + 1;
+}
+
+/*
+ * Materialize "list".
+ * Do not call directly, use CHECK_LIST_MATERIALIZE()
+ */
+ void
+range_list_materialize(list_T *list)
+{
+ varnumber_T start = list->lv_u.nonmat.lv_start;
+ varnumber_T end = list->lv_u.nonmat.lv_end;
+ int stride = list->lv_u.nonmat.lv_stride;
+ varnumber_T i;
+
+ list->lv_first = NULL;
+ list->lv_u.mat.lv_last = NULL;
+ list->lv_len = 0;
+ list->lv_u.mat.lv_idx_item = NULL;
+ for (i = start; stride > 0 ? i <= end : i >= end; i += stride)
+ {
+ if (list_append_number(list, i) == FAIL)
+ break;
+ if (list->lv_lock & VAR_ITEMS_LOCKED)
+ list->lv_u.mat.lv_last->li_tv.v_lock = VAR_LOCKED;
+ }
+ list->lv_lock &= ~VAR_ITEMS_LOCKED;
+}
+
+/*
+ * "getreginfo()" function
+ */
+ static void
+f_getreginfo(typval_T *argvars, typval_T *rettv)
+{
+ int regname;
+ char_u buf[NUMBUFLEN + 2];
+ long reglen = 0;
+ dict_T *dict;
+ list_T *list;
+
+ if (in_vim9script() && check_for_opt_string_arg(argvars, 0) == FAIL)
+ return;
+
+ regname = getreg_get_regname(argvars);
+ if (regname == 0)
+ return;
+
+ if (regname == '@')
+ regname = '"';
+
+ if (rettv_dict_alloc(rettv) == FAIL)
+ return;
+ dict = rettv->vval.v_dict;
+
+ list = (list_T *)get_reg_contents(regname, GREG_EXPR_SRC | GREG_LIST);
+ if (list == NULL)
+ return;
+ (void)dict_add_list(dict, "regcontents", list);
+
+ buf[0] = NUL;
+ buf[1] = NUL;
+ switch (get_reg_type(regname, &reglen))
+ {
+ case MLINE: buf[0] = 'V'; break;
+ case MCHAR: buf[0] = 'v'; break;
+ case MBLOCK:
+ vim_snprintf((char *)buf, sizeof(buf), "%c%ld", Ctrl_V,
+ reglen + 1);
+ break;
+ }
+ (void)dict_add_string(dict, (char *)"regtype", buf);
+
+ buf[0] = get_register_name(get_unname_register());
+ buf[1] = NUL;
+ if (regname == '"')
+ (void)dict_add_string(dict, (char *)"points_to", buf);
+ else
+ {
+ dictitem_T *item = dictitem_alloc((char_u *)"isunnamed");
+
+ if (item != NULL)
+ {
+ item->di_tv.v_type = VAR_BOOL;
+ item->di_tv.vval.v_number = regname == buf[0]
+ ? VVAL_TRUE : VVAL_FALSE;
+ (void)dict_add(dict, item);
+ }
+ }
+}
+
+ static void
+return_register(int regname, typval_T *rettv)
+{
+ char_u buf[2] = {0, 0};
+
+ buf[0] = (char_u)regname;
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = vim_strsave(buf);
+}
+
+/*
+ * "reg_executing()" function
+ */
+ static void
+f_reg_executing(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ return_register(reg_executing, rettv);
+}
+
+/*
+ * "reg_recording()" function
+ */
+ static void
+f_reg_recording(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ return_register(reg_recording, rettv);
+}
+
+/*
+ * "rename({from}, {to})" function
+ */
+ static void
+f_rename(typval_T *argvars, typval_T *rettv)
+{
+ char_u buf[NUMBUFLEN];
+
+ rettv->vval.v_number = -1;
+ if (check_restricted() || check_secure())
+ return;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL))
+ return;
+
+ rettv->vval.v_number = vim_rename(tv_get_string(&argvars[0]),
+ tv_get_string_buf(&argvars[1], buf));
+}
+
+/*
+ * "repeat()" function
+ */
+ static void
+f_repeat(typval_T *argvars, typval_T *rettv)
+{
+ char_u *p;
+ varnumber_T n;
+ int slen;
+ int len;
+ char_u *r;
+ int i;
+
+ if (in_vim9script()
+ && (check_for_string_or_number_or_list_or_blob_arg(argvars, 0)
+ == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ n = tv_get_number(&argvars[1]);
+ if (argvars[0].v_type == VAR_LIST)
+ {
+ if (rettv_list_alloc(rettv) == OK && argvars[0].vval.v_list != NULL)
+ while (n-- > 0)
+ if (list_extend(rettv->vval.v_list,
+ argvars[0].vval.v_list, NULL) == FAIL)
+ break;
+ }
+ else if (argvars[0].v_type == VAR_BLOB)
+ {
+ if (rettv_blob_alloc(rettv) == FAIL
+ || argvars[0].vval.v_blob == NULL
+ || n <= 0)
+ return;
+
+ slen = argvars[0].vval.v_blob->bv_ga.ga_len;
+ len = (int)slen * n;
+ if (len <= 0)
+ return;
+
+ if (ga_grow(&rettv->vval.v_blob->bv_ga, len) == FAIL)
+ return;
+
+ rettv->vval.v_blob->bv_ga.ga_len = len;
+
+ for (i = 0; i < slen; ++i)
+ if (blob_get(argvars[0].vval.v_blob, i) != 0)
+ break;
+
+ if (i == slen)
+ // No need to copy since all bytes are already zero
+ return;
+
+ for (i = 0; i < n; ++i)
+ blob_set_range(rettv->vval.v_blob,
+ (long)i * slen, ((long)i + 1) * slen - 1, argvars);
+ }
+ else
+ {
+ p = tv_get_string(&argvars[0]);
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = NULL;
+
+ slen = (int)STRLEN(p);
+ len = slen * n;
+ if (len <= 0)
+ return;
+
+ r = alloc(len + 1);
+ if (r != NULL)
+ {
+ for (i = 0; i < n; i++)
+ mch_memmove(r + i * slen, p, (size_t)slen);
+ r[len] = NUL;
+ }
+
+ rettv->vval.v_string = r;
+ }
+}
+
+#define SP_NOMOVE 0x01 // don't move cursor
+#define SP_REPEAT 0x02 // repeat to find outer pair
+#define SP_RETCOUNT 0x04 // return matchcount
+#define SP_SETPCMARK 0x08 // set previous context mark
+#define SP_START 0x10 // accept match at start position
+#define SP_SUBPAT 0x20 // return nr of matching sub-pattern
+#define SP_END 0x40 // leave cursor at end of match
+#define SP_COLUMN 0x80 // start at cursor column
+
+/*
+ * Get flags for a search function.
+ * Possibly sets "p_ws".
+ * Returns BACKWARD, FORWARD or zero (for an error).
+ */
+ static int
+get_search_arg(typval_T *varp, int *flagsp)
+{
+ int dir = FORWARD;
+ char_u *flags;
+ char_u nbuf[NUMBUFLEN];
+ int mask;
+
+ if (varp->v_type == VAR_UNKNOWN)
+ return FORWARD;
+
+ flags = tv_get_string_buf_chk(varp, nbuf);
+ if (flags == NULL)
+ return 0; // type error; errmsg already given
+ while (*flags != NUL)
+ {
+ switch (*flags)
+ {
+ case 'b': dir = BACKWARD; break;
+ case 'w': p_ws = TRUE; break;
+ case 'W': p_ws = FALSE; break;
+ default: mask = 0;
+ if (flagsp != NULL)
+ switch (*flags)
+ {
+ case 'c': mask = SP_START; break;
+ case 'e': mask = SP_END; break;
+ case 'm': mask = SP_RETCOUNT; break;
+ case 'n': mask = SP_NOMOVE; break;
+ case 'p': mask = SP_SUBPAT; break;
+ case 'r': mask = SP_REPEAT; break;
+ case 's': mask = SP_SETPCMARK; break;
+ case 'z': mask = SP_COLUMN; break;
+ }
+ if (mask == 0)
+ {
+ semsg(_(e_invalid_argument_str), flags);
+ dir = 0;
+ }
+ else
+ *flagsp |= mask;
+ }
+ if (dir == 0)
+ break;
+ ++flags;
+ }
+ return dir;
+}
+
+/*
+ * Shared by search() and searchpos() functions.
+ */
+ static int
+search_cmn(typval_T *argvars, pos_T *match_pos, int *flagsp)
+{
+ int flags;
+ char_u *pat;
+ pos_T pos;
+ pos_T save_cursor;
+ int save_p_ws = p_ws;
+ int dir;
+ int retval = 0; // default: FAIL
+ long lnum_stop = 0;
+#ifdef FEAT_RELTIME
+ long time_limit = 0;
+#endif
+ int options = SEARCH_KEEP;
+ int subpatnum;
+ searchit_arg_T sia;
+ int use_skip = FALSE;
+ pos_T firstpos;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && (check_for_opt_number_arg(argvars, 2) == FAIL
+ || (argvars[2].v_type != VAR_UNKNOWN
+ && check_for_opt_number_arg(argvars, 3) == FAIL)))))
+ goto theend;
+
+ pat = tv_get_string(&argvars[0]);
+ dir = get_search_arg(&argvars[1], flagsp); // may set p_ws
+ if (dir == 0)
+ goto theend;
+ flags = *flagsp;
+ if (flags & SP_START)
+ options |= SEARCH_START;
+ if (flags & SP_END)
+ options |= SEARCH_END;
+ if (flags & SP_COLUMN)
+ options |= SEARCH_COL;
+
+ // Optional arguments: line number to stop searching, timeout and skip.
+ if (argvars[1].v_type != VAR_UNKNOWN && argvars[2].v_type != VAR_UNKNOWN)
+ {
+ lnum_stop = (long)tv_get_number_chk(&argvars[2], NULL);
+ if (lnum_stop < 0)
+ goto theend;
+ if (argvars[3].v_type != VAR_UNKNOWN)
+ {
+#ifdef FEAT_RELTIME
+ time_limit = (long)tv_get_number_chk(&argvars[3], NULL);
+ if (time_limit < 0)
+ goto theend;
+#endif
+ use_skip = eval_expr_valid_arg(&argvars[4]);
+ }
+ }
+
+ /*
+ * This function does not accept SP_REPEAT and SP_RETCOUNT flags.
+ * Check to make sure only those flags are set.
+ * Also, Only the SP_NOMOVE or the SP_SETPCMARK flag can be set. Both
+ * flags cannot be set. Check for that condition also.
+ */
+ if (((flags & (SP_REPEAT | SP_RETCOUNT)) != 0)
+ || ((flags & SP_NOMOVE) && (flags & SP_SETPCMARK)))
+ {
+ semsg(_(e_invalid_argument_str), tv_get_string(&argvars[1]));
+ goto theend;
+ }
+
+ pos = save_cursor = curwin->w_cursor;
+ CLEAR_FIELD(firstpos);
+ CLEAR_FIELD(sia);
+ sia.sa_stop_lnum = (linenr_T)lnum_stop;
+#ifdef FEAT_RELTIME
+ sia.sa_tm = time_limit;
+#endif
+
+ // Repeat until {skip} returns FALSE.
+ for (;;)
+ {
+ subpatnum = searchit(curwin, curbuf, &pos, NULL, dir, pat, 1L,
+ options, RE_SEARCH, &sia);
+ // finding the first match again means there is no match where {skip}
+ // evaluates to zero.
+ if (firstpos.lnum != 0 && EQUAL_POS(pos, firstpos))
+ subpatnum = FAIL;
+
+ if (subpatnum == FAIL || !use_skip)
+ // didn't find it or no skip argument
+ break;
+ if (firstpos.lnum == 0)
+ firstpos = pos;
+
+ // If the skip expression matches, ignore this match.
+ {
+ int do_skip;
+ int err;
+ pos_T save_pos = curwin->w_cursor;
+
+ curwin->w_cursor = pos;
+ err = FALSE;
+ do_skip = eval_expr_to_bool(&argvars[4], &err);
+ curwin->w_cursor = save_pos;
+ if (err)
+ {
+ // Evaluating {skip} caused an error, break here.
+ subpatnum = FAIL;
+ break;
+ }
+ if (!do_skip)
+ break;
+ }
+
+ // clear the start flag to avoid getting stuck here
+ options &= ~SEARCH_START;
+ }
+
+ if (subpatnum != FAIL)
+ {
+ if (flags & SP_SUBPAT)
+ retval = subpatnum;
+ else
+ retval = pos.lnum;
+ if (flags & SP_SETPCMARK)
+ setpcmark();
+ curwin->w_cursor = pos;
+ if (match_pos != NULL)
+ {
+ // Store the match cursor position
+ match_pos->lnum = pos.lnum;
+ match_pos->col = pos.col + 1;
+ }
+ // "/$" will put the cursor after the end of the line, may need to
+ // correct that here
+ check_cursor();
+ }
+
+ // If 'n' flag is used: restore cursor position.
+ if (flags & SP_NOMOVE)
+ curwin->w_cursor = save_cursor;
+ else
+ curwin->w_set_curswant = TRUE;
+theend:
+ p_ws = save_p_ws;
+
+ return retval;
+}
+
+#ifdef FEAT_RUBY
+/*
+ * "rubyeval()" function
+ */
+ static void
+f_rubyeval(typval_T *argvars, typval_T *rettv)
+{
+ char_u *str;
+ char_u buf[NUMBUFLEN];
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ str = tv_get_string_buf(&argvars[0], buf);
+ do_rubyeval(str, rettv);
+}
+#endif
+
+/*
+ * "screenattr()" function
+ */
+ static void
+f_screenattr(typval_T *argvars, typval_T *rettv)
+{
+ int row;
+ int col;
+ int c;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ row = (int)tv_get_number_chk(&argvars[0], NULL) - 1;
+ col = (int)tv_get_number_chk(&argvars[1], NULL) - 1;
+ if (row < 0 || row >= screen_Rows
+ || col < 0 || col >= screen_Columns)
+ c = -1;
+ else
+ c = ScreenAttrs[LineOffset[row] + col];
+ rettv->vval.v_number = c;
+}
+
+/*
+ * "screenchar()" function
+ */
+ static void
+f_screenchar(typval_T *argvars, typval_T *rettv)
+{
+ int row;
+ int col;
+ int off;
+ int c;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ row = (int)tv_get_number_chk(&argvars[0], NULL) - 1;
+ col = (int)tv_get_number_chk(&argvars[1], NULL) - 1;
+ if (row < 0 || row >= screen_Rows || col < 0 || col >= screen_Columns)
+ c = -1;
+ else
+ {
+ off = LineOffset[row] + col;
+ if (enc_utf8 && ScreenLinesUC[off] != 0)
+ c = ScreenLinesUC[off];
+ else
+ c = ScreenLines[off];
+ }
+ rettv->vval.v_number = c;
+}
+
+/*
+ * "screenchars()" function
+ */
+ static void
+f_screenchars(typval_T *argvars, typval_T *rettv)
+{
+ int row;
+ int col;
+ int off;
+ int c;
+ int i;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ row = (int)tv_get_number_chk(&argvars[0], NULL) - 1;
+ col = (int)tv_get_number_chk(&argvars[1], NULL) - 1;
+ if (row < 0 || row >= screen_Rows || col < 0 || col >= screen_Columns)
+ return;
+
+ off = LineOffset[row] + col;
+ if (enc_utf8 && ScreenLinesUC[off] != 0)
+ c = ScreenLinesUC[off];
+ else
+ c = ScreenLines[off];
+ list_append_number(rettv->vval.v_list, (varnumber_T)c);
+
+ if (enc_utf8)
+
+ for (i = 0; i < Screen_mco && ScreenLinesC[i][off] != 0; ++i)
+ list_append_number(rettv->vval.v_list,
+ (varnumber_T)ScreenLinesC[i][off]);
+}
+
+/*
+ * "screencol()" function
+ *
+ * First column is 1 to be consistent with virtcol().
+ */
+ static void
+f_screencol(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->vval.v_number = screen_screencol() + 1;
+}
+
+/*
+ * "screenrow()" function
+ */
+ static void
+f_screenrow(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->vval.v_number = screen_screenrow() + 1;
+}
+
+/*
+ * "screenstring()" function
+ */
+ static void
+f_screenstring(typval_T *argvars, typval_T *rettv)
+{
+ int row;
+ int col;
+ int off;
+ int c;
+ int i;
+ char_u buf[MB_MAXBYTES + 1];
+ int buflen = 0;
+
+ rettv->vval.v_string = NULL;
+ rettv->v_type = VAR_STRING;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ row = (int)tv_get_number_chk(&argvars[0], NULL) - 1;
+ col = (int)tv_get_number_chk(&argvars[1], NULL) - 1;
+ if (row < 0 || row >= screen_Rows || col < 0 || col >= screen_Columns)
+ return;
+
+ off = LineOffset[row] + col;
+ if (enc_utf8 && ScreenLinesUC[off] != 0)
+ c = ScreenLinesUC[off];
+ else
+ c = ScreenLines[off];
+ buflen += mb_char2bytes(c, buf);
+
+ if (enc_utf8 && ScreenLinesUC[off] != 0)
+ for (i = 0; i < Screen_mco && ScreenLinesC[i][off] != 0; ++i)
+ buflen += mb_char2bytes(ScreenLinesC[i][off], buf + buflen);
+
+ buf[buflen] = NUL;
+ rettv->vval.v_string = vim_strsave(buf);
+}
+
+/*
+ * "search()" function
+ */
+ static void
+f_search(typval_T *argvars, typval_T *rettv)
+{
+ int flags = 0;
+
+ rettv->vval.v_number = search_cmn(argvars, NULL, &flags);
+}
+
+/*
+ * "searchdecl()" function
+ */
+ static void
+f_searchdecl(typval_T *argvars, typval_T *rettv)
+{
+ int locally = TRUE;
+ int thisblock = FALSE;
+ int error = FALSE;
+ char_u *name;
+
+ rettv->vval.v_number = 1; // default: FAIL
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_bool_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_bool_arg(argvars, 2) == FAIL)))
+ return;
+
+ name = tv_get_string_chk(&argvars[0]);
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ locally = !(int)tv_get_bool_chk(&argvars[1], &error);
+ if (!error && argvars[2].v_type != VAR_UNKNOWN)
+ thisblock = (int)tv_get_bool_chk(&argvars[2], &error);
+ }
+ if (!error && name != NULL)
+ rettv->vval.v_number = find_decl(name, (int)STRLEN(name),
+ locally, thisblock, SEARCH_KEEP) == FAIL;
+}
+
+/*
+ * Used by searchpair() and searchpairpos()
+ */
+ static int
+searchpair_cmn(typval_T *argvars, pos_T *match_pos)
+{
+ char_u *spat, *mpat, *epat;
+ typval_T *skip;
+ int save_p_ws = p_ws;
+ int dir;
+ int flags = 0;
+ char_u nbuf1[NUMBUFLEN];
+ char_u nbuf2[NUMBUFLEN];
+ int retval = 0; // default: FAIL
+ long lnum_stop = 0;
+ long time_limit = 0;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL
+ || check_for_string_arg(argvars, 2) == FAIL
+ || check_for_opt_string_arg(argvars, 3) == FAIL
+ || (argvars[3].v_type != VAR_UNKNOWN
+ && argvars[4].v_type != VAR_UNKNOWN
+ && (check_for_opt_number_arg(argvars, 5) == FAIL
+ || (argvars[5].v_type != VAR_UNKNOWN
+ && check_for_opt_number_arg(argvars, 6) == FAIL)))))
+ goto theend;
+
+ // Get the three pattern arguments: start, middle, end. Will result in an
+ // error if not a valid argument.
+ spat = tv_get_string_chk(&argvars[0]);
+ mpat = tv_get_string_buf_chk(&argvars[1], nbuf1);
+ epat = tv_get_string_buf_chk(&argvars[2], nbuf2);
+ if (spat == NULL || mpat == NULL || epat == NULL)
+ goto theend; // type error
+
+ // Handle the optional fourth argument: flags
+ dir = get_search_arg(&argvars[3], &flags); // may set p_ws
+ if (dir == 0)
+ goto theend;
+
+ // Don't accept SP_END or SP_SUBPAT.
+ // Only one of the SP_NOMOVE or SP_SETPCMARK flags can be set.
+ if ((flags & (SP_END | SP_SUBPAT)) != 0
+ || ((flags & SP_NOMOVE) && (flags & SP_SETPCMARK)))
+ {
+ semsg(_(e_invalid_argument_str), tv_get_string(&argvars[3]));
+ goto theend;
+ }
+
+ // Using 'r' implies 'W', otherwise it doesn't work.
+ if (flags & SP_REPEAT)
+ p_ws = FALSE;
+
+ // Optional fifth argument: skip expression
+ if (argvars[3].v_type == VAR_UNKNOWN
+ || argvars[4].v_type == VAR_UNKNOWN)
+ skip = NULL;
+ else
+ {
+ // Type is checked later.
+ skip = &argvars[4];
+
+ if (argvars[5].v_type != VAR_UNKNOWN)
+ {
+ lnum_stop = (long)tv_get_number_chk(&argvars[5], NULL);
+ if (lnum_stop < 0)
+ {
+ semsg(_(e_invalid_argument_str), tv_get_string(&argvars[5]));
+ goto theend;
+ }
+#ifdef FEAT_RELTIME
+ if (argvars[6].v_type != VAR_UNKNOWN)
+ {
+ time_limit = (long)tv_get_number_chk(&argvars[6], NULL);
+ if (time_limit < 0)
+ {
+ semsg(_(e_invalid_argument_str), tv_get_string(&argvars[6]));
+ goto theend;
+ }
+ }
+#endif
+ }
+ }
+
+ retval = do_searchpair(spat, mpat, epat, dir, skip, flags,
+ match_pos, lnum_stop, time_limit);
+
+theend:
+ p_ws = save_p_ws;
+
+ return retval;
+}
+
+/*
+ * "searchpair()" function
+ */
+ static void
+f_searchpair(typval_T *argvars, typval_T *rettv)
+{
+ rettv->vval.v_number = searchpair_cmn(argvars, NULL);
+}
+
+/*
+ * "searchpairpos()" function
+ */
+ static void
+f_searchpairpos(typval_T *argvars, typval_T *rettv)
+{
+ pos_T match_pos;
+ int lnum = 0;
+ int col = 0;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+
+ if (searchpair_cmn(argvars, &match_pos) > 0)
+ {
+ lnum = match_pos.lnum;
+ col = match_pos.col;
+ }
+
+ list_append_number(rettv->vval.v_list, (varnumber_T)lnum);
+ list_append_number(rettv->vval.v_list, (varnumber_T)col);
+}
+
+/*
+ * Search for a start/middle/end thing.
+ * Used by searchpair(), see its documentation for the details.
+ * Returns 0 or -1 for no match,
+ */
+ long
+do_searchpair(
+ char_u *spat, // start pattern
+ char_u *mpat, // middle pattern
+ char_u *epat, // end pattern
+ int dir, // BACKWARD or FORWARD
+ typval_T *skip, // skip expression
+ int flags, // SP_SETPCMARK and other SP_ values
+ pos_T *match_pos,
+ linenr_T lnum_stop, // stop at this line if not zero
+ long time_limit UNUSED) // stop after this many msec
+{
+ char_u *save_cpo;
+ char_u *pat, *pat2 = NULL, *pat3 = NULL;
+ long retval = 0;
+ pos_T pos;
+ pos_T firstpos;
+ pos_T foundpos;
+ pos_T save_cursor;
+ pos_T save_pos;
+ int n;
+ int r;
+ int nest = 1;
+ int use_skip = FALSE;
+ int err;
+ int options = SEARCH_KEEP;
+
+ // Make 'cpoptions' empty, the 'l' flag should not be used here.
+ save_cpo = p_cpo;
+ p_cpo = empty_option;
+
+ // Make two search patterns: start/end (pat2, for in nested pairs) and
+ // start/middle/end (pat3, for the top pair).
+ pat2 = alloc(STRLEN(spat) + STRLEN(epat) + 17);
+ pat3 = alloc(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 25);
+ if (pat2 == NULL || pat3 == NULL)
+ goto theend;
+ sprintf((char *)pat2, "\\m\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat);
+ if (*mpat == NUL)
+ STRCPY(pat3, pat2);
+ else
+ sprintf((char *)pat3, "\\m\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)",
+ spat, epat, mpat);
+ if (flags & SP_START)
+ options |= SEARCH_START;
+
+ if (skip != NULL)
+ use_skip = eval_expr_valid_arg(skip);
+
+#ifdef FEAT_RELTIME
+ if (time_limit > 0)
+ init_regexp_timeout(time_limit);
+#endif
+ save_cursor = curwin->w_cursor;
+ pos = curwin->w_cursor;
+ CLEAR_POS(&firstpos);
+ CLEAR_POS(&foundpos);
+ pat = pat3;
+ for (;;)
+ {
+ searchit_arg_T sia;
+
+ CLEAR_FIELD(sia);
+ sia.sa_stop_lnum = lnum_stop;
+ n = searchit(curwin, curbuf, &pos, NULL, dir, pat, 1L,
+ options, RE_SEARCH, &sia);
+ if (n == FAIL || (firstpos.lnum != 0 && EQUAL_POS(pos, firstpos)))
+ // didn't find it or found the first match again: FAIL
+ break;
+
+ if (firstpos.lnum == 0)
+ firstpos = pos;
+ if (EQUAL_POS(pos, foundpos))
+ {
+ // Found the same position again. Can happen with a pattern that
+ // has "\zs" at the end and searching backwards. Advance one
+ // character and try again.
+ if (dir == BACKWARD)
+ decl(&pos);
+ else
+ incl(&pos);
+ }
+ foundpos = pos;
+
+ // clear the start flag to avoid getting stuck here
+ options &= ~SEARCH_START;
+
+ // If the skip pattern matches, ignore this match.
+ if (use_skip)
+ {
+ save_pos = curwin->w_cursor;
+ curwin->w_cursor = pos;
+ err = FALSE;
+ r = eval_expr_to_bool(skip, &err);
+ curwin->w_cursor = save_pos;
+ if (err)
+ {
+ // Evaluating {skip} caused an error, break here.
+ curwin->w_cursor = save_cursor;
+ retval = -1;
+ break;
+ }
+ if (r)
+ continue;
+ }
+
+ if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2))
+ {
+ // Found end when searching backwards or start when searching
+ // forward: nested pair.
+ ++nest;
+ pat = pat2; // nested, don't search for middle
+ }
+ else
+ {
+ // Found end when searching forward or start when searching
+ // backward: end of (nested) pair; or found middle in outer pair.
+ if (--nest == 1)
+ pat = pat3; // outer level, search for middle
+ }
+
+ if (nest == 0)
+ {
+ // Found the match: return matchcount or line number.
+ if (flags & SP_RETCOUNT)
+ ++retval;
+ else
+ retval = pos.lnum;
+ if (flags & SP_SETPCMARK)
+ setpcmark();
+ curwin->w_cursor = pos;
+ if (!(flags & SP_REPEAT))
+ break;
+ nest = 1; // search for next unmatched
+ }
+ }
+
+ if (match_pos != NULL)
+ {
+ // Store the match cursor position
+ match_pos->lnum = curwin->w_cursor.lnum;
+ match_pos->col = curwin->w_cursor.col + 1;
+ }
+
+ // If 'n' flag is used or search failed: restore cursor position.
+ if ((flags & SP_NOMOVE) || retval == 0)
+ curwin->w_cursor = save_cursor;
+
+theend:
+#ifdef FEAT_RELTIME
+ if (time_limit > 0)
+ disable_regexp_timeout();
+#endif
+ vim_free(pat2);
+ vim_free(pat3);
+ if (p_cpo == empty_option)
+ p_cpo = save_cpo;
+ else
+ {
+ // Darn, evaluating the {skip} expression changed the value.
+ // If it's still empty it was changed and restored, need to restore in
+ // the complicated way.
+ if (*p_cpo == NUL)
+ set_option_value_give_err((char_u *)"cpo", 0L, save_cpo, 0);
+ free_string_option(save_cpo);
+ }
+
+ return retval;
+}
+
+/*
+ * "searchpos()" function
+ */
+ static void
+f_searchpos(typval_T *argvars, typval_T *rettv)
+{
+ pos_T match_pos;
+ int lnum = 0;
+ int col = 0;
+ int n;
+ int flags = 0;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+
+ n = search_cmn(argvars, &match_pos, &flags);
+ if (n > 0)
+ {
+ lnum = match_pos.lnum;
+ col = match_pos.col;
+ }
+
+ list_append_number(rettv->vval.v_list, (varnumber_T)lnum);
+ list_append_number(rettv->vval.v_list, (varnumber_T)col);
+ if (flags & SP_SUBPAT)
+ list_append_number(rettv->vval.v_list, (varnumber_T)n);
+}
+
+/*
+ * Set the cursor or mark position.
+ * If 'charpos' is TRUE, then use the column number as a character offset.
+ * Otherwise use the column number as a byte offset.
+ */
+ static void
+set_position(typval_T *argvars, typval_T *rettv, int charpos)
+{
+ pos_T pos;
+ int fnum;
+ char_u *name;
+ colnr_T curswant = -1;
+
+ rettv->vval.v_number = -1;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_list_arg(argvars, 1) == FAIL))
+ return;
+
+ name = tv_get_string_chk(argvars);
+ if (name == NULL)
+ return;
+
+ if (list2fpos(&argvars[1], &pos, &fnum, &curswant, charpos) != OK)
+ return;
+
+ if (pos.col != MAXCOL && --pos.col < 0)
+ pos.col = 0;
+ if ((name[0] == '.' && name[1] == NUL))
+ {
+ // set cursor; "fnum" is ignored
+ curwin->w_cursor = pos;
+ if (curswant >= 0)
+ {
+ curwin->w_curswant = curswant - 1;
+ curwin->w_set_curswant = FALSE;
+ }
+ check_cursor();
+ rettv->vval.v_number = 0;
+ }
+ else if (name[0] == '\'' && name[1] != NUL && name[2] == NUL)
+ {
+ // set mark
+ if (setmark_pos(name[1], &pos, fnum) == OK)
+ rettv->vval.v_number = 0;
+ }
+ else
+ emsg(_(e_invalid_argument));
+}
+/*
+ * "setcharpos()" function
+ */
+ static void
+f_setcharpos(typval_T *argvars, typval_T *rettv)
+{
+ set_position(argvars, rettv, TRUE);
+}
+
+ static void
+f_setcharsearch(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ dict_T *d;
+ dictitem_T *di;
+ char_u *csearch;
+
+ if (check_for_dict_arg(argvars, 0) == FAIL)
+ return;
+
+ if ((d = argvars[0].vval.v_dict) == NULL)
+ return;
+
+ csearch = dict_get_string(d, "char", FALSE);
+ if (csearch != NULL)
+ {
+ if (enc_utf8)
+ {
+ int pcc[MAX_MCO];
+ int c = utfc_ptr2char(csearch, pcc);
+
+ set_last_csearch(c, csearch, utfc_ptr2len(csearch));
+ }
+ else
+ set_last_csearch(PTR2CHAR(csearch),
+ csearch, mb_ptr2len(csearch));
+ }
+
+ di = dict_find(d, (char_u *)"forward", -1);
+ if (di != NULL)
+ set_csearch_direction((int)tv_get_number(&di->di_tv)
+ ? FORWARD : BACKWARD);
+
+ di = dict_find(d, (char_u *)"until", -1);
+ if (di != NULL)
+ set_csearch_until(!!tv_get_number(&di->di_tv));
+}
+
+/*
+ * "setcursorcharpos" function
+ */
+ static void
+f_setcursorcharpos(typval_T *argvars, typval_T *rettv)
+{
+ set_cursorpos(argvars, rettv, TRUE);
+}
+
+/*
+ * "setenv()" function
+ */
+ static void
+f_setenv(typval_T *argvars, typval_T *rettv UNUSED)
+{
+ char_u namebuf[NUMBUFLEN];
+ char_u valbuf[NUMBUFLEN];
+ char_u *name;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ name = tv_get_string_buf(&argvars[0], namebuf);
+ if (argvars[1].v_type == VAR_SPECIAL
+ && argvars[1].vval.v_number == VVAL_NULL)
+ vim_unsetenv_ext(name);
+ else
+ vim_setenv_ext(name, tv_get_string_buf(&argvars[1], valbuf));
+}
+
+/*
+ * "setfperm({fname}, {mode})" function
+ */
+ static void
+f_setfperm(typval_T *argvars, typval_T *rettv)
+{
+ char_u *fname;
+ char_u modebuf[NUMBUFLEN];
+ char_u *mode_str;
+ int i;
+ int mask;
+ int mode = 0;
+
+ rettv->vval.v_number = 0;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL))
+ return;
+
+ fname = tv_get_string_chk(&argvars[0]);
+ if (fname == NULL)
+ return;
+ mode_str = tv_get_string_buf_chk(&argvars[1], modebuf);
+ if (mode_str == NULL)
+ return;
+ if (STRLEN(mode_str) != 9)
+ {
+ semsg(_(e_invalid_argument_str), mode_str);
+ return;
+ }
+
+ mask = 1;
+ for (i = 8; i >= 0; --i)
+ {
+ if (mode_str[i] != '-')
+ mode |= mask;
+ mask = mask << 1;
+ }
+ rettv->vval.v_number = mch_setperm(fname, mode) == OK;
+}
+
+/*
+ * "setpos()" function
+ */
+ static void
+f_setpos(typval_T *argvars, typval_T *rettv)
+{
+ set_position(argvars, rettv, FALSE);
+}
+
+/*
+ * Translate a register type string to the yank type and block length
+ */
+ static int
+get_yank_type(char_u **pp, char_u *yank_type, long *block_len)
+{
+ char_u *stropt = *pp;
+ switch (*stropt)
+ {
+ case 'v': case 'c': // character-wise selection
+ *yank_type = MCHAR;
+ break;
+ case 'V': case 'l': // line-wise selection
+ *yank_type = MLINE;
+ break;
+ case 'b': case Ctrl_V: // block-wise selection
+ *yank_type = MBLOCK;
+ if (VIM_ISDIGIT(stropt[1]))
+ {
+ ++stropt;
+ *block_len = getdigits(&stropt) - 1;
+ --stropt;
+ }
+ break;
+ default:
+ return FAIL;
+ }
+ *pp = stropt;
+ return OK;
+}
+
+/*
+ * "setreg()" function
+ */
+ static void
+f_setreg(typval_T *argvars, typval_T *rettv)
+{
+ int regname;
+ char_u *strregname;
+ char_u *stropt;
+ char_u *strval;
+ int append;
+ char_u yank_type;
+ long block_len;
+ typval_T *regcontents;
+ int pointreg;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 2) == FAIL))
+ return;
+
+ pointreg = 0;
+ regcontents = NULL;
+ block_len = -1;
+ yank_type = MAUTO;
+ append = FALSE;
+
+ strregname = tv_get_string_chk(argvars);
+ rettv->vval.v_number = 1; // FAIL is default
+
+ if (strregname == NULL)
+ return; // type error; errmsg already given
+ if (in_vim9script() && STRLEN(strregname) > 1)
+ {
+ semsg(_(e_register_name_must_be_one_char_str), strregname);
+ return;
+ }
+ regname = *strregname;
+ if (regname == 0 || regname == '@')
+ regname = '"';
+
+ if (argvars[1].v_type == VAR_DICT)
+ {
+ dict_T *d = argvars[1].vval.v_dict;
+ dictitem_T *di;
+
+ if (d == NULL || d->dv_hashtab.ht_used == 0)
+ {
+ // Empty dict, clear the register (like setreg(0, []))
+ char_u *lstval[2] = {NULL, NULL};
+ write_reg_contents_lst(regname, lstval, 0, FALSE, MAUTO, -1);
+ return;
+ }
+
+ di = dict_find(d, (char_u *)"regcontents", -1);
+ if (di != NULL)
+ regcontents = &di->di_tv;
+
+ stropt = dict_get_string(d, "regtype", FALSE);
+ if (stropt != NULL)
+ {
+ int ret = get_yank_type(&stropt, &yank_type, &block_len);
+
+ if (ret == FAIL || *++stropt != NUL)
+ {
+ semsg(_(e_invalid_value_for_argument_str), "value");
+ return;
+ }
+ }
+
+ if (regname == '"')
+ {
+ stropt = dict_get_string(d, "points_to", FALSE);
+ if (stropt != NULL)
+ {
+ pointreg = *stropt;
+ regname = pointreg;
+ }
+ }
+ else if (dict_get_bool(d, "isunnamed", -1) > 0)
+ pointreg = regname;
+ }
+ else
+ regcontents = &argvars[1];
+
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ if (yank_type != MAUTO)
+ {
+ semsg(_(e_too_many_arguments_for_function_str), "setreg");
+ return;
+ }
+
+ stropt = tv_get_string_chk(&argvars[2]);
+ if (stropt == NULL)
+ return; // type error
+ for (; *stropt != NUL; ++stropt)
+ switch (*stropt)
+ {
+ case 'a': case 'A': // append
+ append = TRUE;
+ break;
+ default:
+ get_yank_type(&stropt, &yank_type, &block_len);
+ }
+ }
+
+ if (regcontents && regcontents->v_type == VAR_LIST)
+ {
+ char_u **lstval;
+ char_u **allocval;
+ char_u buf[NUMBUFLEN];
+ char_u **curval;
+ char_u **curallocval;
+ list_T *ll = regcontents->vval.v_list;
+ listitem_T *li;
+ int len;
+
+ // If the list is NULL handle like an empty list.
+ len = ll == NULL ? 0 : ll->lv_len;
+
+ // First half: use for pointers to result lines; second half: use for
+ // pointers to allocated copies.
+ lstval = ALLOC_MULT(char_u *, (len + 1) * 2);
+ if (lstval == NULL)
+ return;
+ curval = lstval;
+ allocval = lstval + len + 2;
+ curallocval = allocval;
+
+ if (ll != NULL)
+ {
+ CHECK_LIST_MATERIALIZE(ll);
+ FOR_ALL_LIST_ITEMS(ll, li)
+ {
+ strval = tv_get_string_buf_chk(&li->li_tv, buf);
+ if (strval == NULL)
+ goto free_lstval;
+ if (strval == buf)
+ {
+ // Need to make a copy, next tv_get_string_buf_chk() will
+ // overwrite the string.
+ strval = vim_strsave(buf);
+ if (strval == NULL)
+ goto free_lstval;
+ *curallocval++ = strval;
+ }
+ *curval++ = strval;
+ }
+ }
+ *curval++ = NULL;
+
+ write_reg_contents_lst(regname, lstval, -1,
+ append, yank_type, block_len);
+free_lstval:
+ while (curallocval > allocval)
+ vim_free(*--curallocval);
+ vim_free(lstval);
+ }
+ else if (regcontents)
+ {
+ strval = tv_get_string_chk(regcontents);
+ if (strval == NULL)
+ return;
+ write_reg_contents_ex(regname, strval, -1,
+ append, yank_type, block_len);
+ }
+ if (pointreg != 0)
+ get_yank_register(pointreg, TRUE);
+
+ rettv->vval.v_number = 0;
+}
+
+/*
+ * "settagstack()" function
+ */
+ static void
+f_settagstack(typval_T *argvars, typval_T *rettv)
+{
+ win_T *wp;
+ dict_T *d;
+ int action = 'r';
+
+ rettv->vval.v_number = -1;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_dict_arg(argvars, 1) == FAIL
+ || check_for_opt_string_arg(argvars, 2) == FAIL))
+ return;
+
+ // 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 (check_for_dict_arg(argvars, 1) == FAIL)
+ 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 (check_for_string_arg(argvars, 2) == FAIL)
+ return;
+ else
+ {
+ char_u *actstr;
+ actstr = tv_get_string_chk(&argvars[2]);
+ if (actstr == NULL)
+ return;
+ if ((*actstr == 'r' || *actstr == 'a' || *actstr == 't')
+ && actstr[1] == NUL)
+ action = *actstr;
+ else
+ {
+ semsg(_(e_invalid_action_str_2), actstr);
+ return;
+ }
+ }
+
+ if (set_tagstack(wp, d, action) == OK)
+ rettv->vval.v_number = 0;
+}
+
+#ifdef FEAT_CRYPT
+/*
+ * "sha256({string})" function
+ */
+ static void
+f_sha256(typval_T *argvars, typval_T *rettv)
+{
+ char_u *p;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ p = tv_get_string(&argvars[0]);
+ rettv->vval.v_string = vim_strsave(
+ sha256_bytes(p, (int)STRLEN(p), NULL, 0));
+ rettv->v_type = VAR_STRING;
+}
+#endif // FEAT_CRYPT
+
+/*
+ * "shellescape({string})" function
+ */
+ static void
+f_shellescape(typval_T *argvars, typval_T *rettv)
+{
+ int do_special;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_bool_arg(argvars, 1) == FAIL))
+ return;
+
+ do_special = non_zero_arg(&argvars[1]);
+ rettv->vval.v_string = vim_strsave_shellescape(
+ tv_get_string(&argvars[0]), do_special, do_special);
+ rettv->v_type = VAR_STRING;
+}
+
+/*
+ * shiftwidth() function
+ */
+ static void
+f_shiftwidth(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ rettv->vval.v_number = 0;
+
+ if (in_vim9script() && check_for_opt_number_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type != VAR_UNKNOWN)
+ {
+ long col;
+
+ col = (long)tv_get_number_chk(argvars, NULL);
+ if (col < 0)
+ return; // type error; errmsg already given
+#ifdef FEAT_VARTABS
+ rettv->vval.v_number = get_sw_value_col(curbuf, col);
+ return;
+#endif
+ }
+
+ rettv->vval.v_number = get_sw_value(curbuf);
+}
+
+/*
+ * "soundfold({word})" function
+ */
+ static void
+f_soundfold(typval_T *argvars, typval_T *rettv)
+{
+ char_u *s;
+
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ rettv->v_type = VAR_STRING;
+ s = tv_get_string(&argvars[0]);
+#ifdef FEAT_SPELL
+ rettv->vval.v_string = eval_soundfold(s);
+#else
+ rettv->vval.v_string = vim_strsave(s);
+#endif
+}
+
+/*
+ * "spellbadword()" function
+ */
+ static void
+f_spellbadword(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ char_u *word = (char_u *)"";
+ hlf_T attr = HLF_COUNT;
+ int len = 0;
+#ifdef FEAT_SPELL
+ int wo_spell_save = curwin->w_p_spell;
+
+ if (in_vim9script() && check_for_opt_string_arg(argvars, 0) == FAIL)
+ return;
+
+ if (!curwin->w_p_spell)
+ {
+ parse_spelllang(curwin);
+ curwin->w_p_spell = TRUE;
+ }
+
+ if (*curwin->w_s->b_p_spl == NUL)
+ {
+ emsg(_(e_spell_checking_is_not_possible));
+ curwin->w_p_spell = wo_spell_save;
+ return;
+ }
+#endif
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ {
+#ifdef FEAT_SPELL
+ curwin->w_p_spell = wo_spell_save;
+#endif
+ return;
+ }
+
+#ifdef FEAT_SPELL
+ if (argvars[0].v_type == VAR_UNKNOWN)
+ {
+ // Find the start and length of the badly spelled word.
+ len = spell_move_to(curwin, FORWARD, TRUE, TRUE, &attr);
+ if (len != 0)
+ {
+ word = ml_get_cursor();
+ curwin->w_set_curswant = TRUE;
+ }
+ }
+ else if (*curbuf->b_s.b_p_spl != NUL)
+ {
+ char_u *str = tv_get_string_chk(&argvars[0]);
+ int capcol = -1;
+
+ if (str != NULL)
+ {
+ // Check the argument for spelling.
+ while (*str != NUL)
+ {
+ len = spell_check(curwin, str, &attr, &capcol, FALSE);
+ if (attr != HLF_COUNT)
+ {
+ word = str;
+ break;
+ }
+ str += len;
+ capcol -= len;
+ len = 0;
+ }
+ }
+ }
+ curwin->w_p_spell = wo_spell_save;
+#endif
+
+ list_append_string(rettv->vval.v_list, word, len);
+ list_append_string(rettv->vval.v_list, (char_u *)(
+ attr == HLF_SPB ? "bad" :
+ attr == HLF_SPR ? "rare" :
+ attr == HLF_SPL ? "local" :
+ attr == HLF_SPC ? "caps" :
+ ""), -1);
+}
+
+/*
+ * "spellsuggest()" function
+ */
+ static void
+f_spellsuggest(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_SPELL
+ char_u *str;
+ int typeerr = FALSE;
+ int maxcount;
+ garray_T ga;
+ int i;
+ listitem_T *li;
+ int need_capital = FALSE;
+ int wo_spell_save = curwin->w_p_spell;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_number_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_bool_arg(argvars, 2) == FAIL)))
+ return;
+
+ if (!curwin->w_p_spell)
+ {
+ parse_spelllang(curwin);
+ curwin->w_p_spell = TRUE;
+ }
+
+ if (*curwin->w_s->b_p_spl == NUL)
+ {
+ emsg(_(e_spell_checking_is_not_possible));
+ curwin->w_p_spell = wo_spell_save;
+ return;
+ }
+#endif
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ {
+#ifdef FEAT_SPELL
+ curwin->w_p_spell = wo_spell_save;
+#endif
+ return;
+ }
+
+#ifdef FEAT_SPELL
+ str = tv_get_string(&argvars[0]);
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ maxcount = (int)tv_get_number_chk(&argvars[1], &typeerr);
+ if (maxcount <= 0)
+ return;
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ need_capital = (int)tv_get_bool_chk(&argvars[2], &typeerr);
+ if (typeerr)
+ return;
+ }
+ }
+ else
+ maxcount = 25;
+
+ spell_suggest_list(&ga, str, maxcount, need_capital, FALSE);
+
+ for (i = 0; i < ga.ga_len; ++i)
+ {
+ str = ((char_u **)ga.ga_data)[i];
+
+ li = listitem_alloc();
+ if (li == NULL)
+ vim_free(str);
+ else
+ {
+ li->li_tv.v_type = VAR_STRING;
+ li->li_tv.v_lock = 0;
+ li->li_tv.vval.v_string = str;
+ list_append(rettv->vval.v_list, li);
+ }
+ }
+ ga_clear(&ga);
+ curwin->w_p_spell = wo_spell_save;
+#endif
+}
+
+ static void
+f_split(typval_T *argvars, typval_T *rettv)
+{
+ char_u *str;
+ char_u *end;
+ char_u *pat = NULL;
+ regmatch_T regmatch;
+ char_u patbuf[NUMBUFLEN];
+ char_u *save_cpo;
+ int match;
+ colnr_T col = 0;
+ int keepempty = FALSE;
+ int typeerr = FALSE;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 1) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_opt_bool_arg(argvars, 2) == FAIL)))
+ return;
+
+ // Make 'cpoptions' empty, the 'l' flag should not be used here.
+ save_cpo = p_cpo;
+ p_cpo = empty_option;
+
+ str = tv_get_string(&argvars[0]);
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ {
+ pat = tv_get_string_buf_chk(&argvars[1], patbuf);
+ if (pat == NULL)
+ typeerr = TRUE;
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ keepempty = (int)tv_get_bool_chk(&argvars[2], &typeerr);
+ }
+ if (pat == NULL || *pat == NUL)
+ pat = (char_u *)"[\\x01- ]\\+";
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ goto theend;
+ if (typeerr)
+ goto theend;
+
+ regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING);
+ if (regmatch.regprog != NULL)
+ {
+ regmatch.rm_ic = FALSE;
+ while (*str != NUL || keepempty)
+ {
+ if (*str == NUL)
+ match = FALSE; // empty item at the end
+ else
+ match = vim_regexec_nl(&regmatch, str, col);
+ if (match)
+ end = regmatch.startp[0];
+ else
+ end = str + STRLEN(str);
+ if (keepempty || end > str || (rettv->vval.v_list->lv_len > 0
+ && *str != NUL && match && end < regmatch.endp[0]))
+ {
+ if (list_append_string(rettv->vval.v_list, str,
+ (int)(end - str)) == FAIL)
+ break;
+ }
+ if (!match)
+ break;
+ // Advance to just after the match.
+ if (regmatch.endp[0] > str)
+ col = 0;
+ else
+ // Don't get stuck at the same match.
+ col = (*mb_ptr2len)(regmatch.endp[0]);
+ str = regmatch.endp[0];
+ }
+
+ vim_regfree(regmatch.regprog);
+ }
+
+theend:
+ p_cpo = save_cpo;
+}
+
+/*
+ * "submatch()" function
+ */
+ static void
+f_submatch(typval_T *argvars, typval_T *rettv)
+{
+ int error = FALSE;
+ int no;
+ int retList = 0;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_opt_bool_arg(argvars, 1) == FAIL))
+ return;
+
+ no = (int)tv_get_number_chk(&argvars[0], &error);
+ if (error)
+ return;
+ if (no < 0 || no >= NSUBEXP)
+ {
+ semsg(_(e_invalid_submatch_number_nr), no);
+ return;
+ }
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ retList = (int)tv_get_bool_chk(&argvars[1], &error);
+ if (error)
+ return;
+
+ if (retList == 0)
+ {
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = reg_submatch(no);
+ }
+ else
+ {
+ rettv->v_type = VAR_LIST;
+ rettv->vval.v_list = reg_submatch_list(no);
+ }
+}
+
+/*
+ * "substitute()" function
+ */
+ static void
+f_substitute(typval_T *argvars, typval_T *rettv)
+{
+ char_u patbuf[NUMBUFLEN];
+ char_u subbuf[NUMBUFLEN];
+ char_u flagsbuf[NUMBUFLEN];
+ char_u *str;
+ char_u *pat;
+ char_u *sub = NULL;
+ typval_T *expr = NULL;
+ char_u *flg;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL
+ || check_for_string_arg(argvars, 3) == FAIL))
+ return;
+
+ str = tv_get_string_chk(&argvars[0]);
+ pat = tv_get_string_buf_chk(&argvars[1], patbuf);
+ flg = tv_get_string_buf_chk(&argvars[3], flagsbuf);
+
+ if (argvars[2].v_type == VAR_FUNC
+ || argvars[2].v_type == VAR_PARTIAL
+ || argvars[2].v_type == VAR_INSTR
+ || argvars[2].v_type == VAR_CLASS
+ || argvars[2].v_type == VAR_OBJECT)
+ expr = &argvars[2];
+ else
+ sub = tv_get_string_buf_chk(&argvars[2], subbuf);
+
+ rettv->v_type = VAR_STRING;
+ if (str == NULL || pat == NULL || (sub == NULL && expr == NULL)
+ || flg == NULL)
+ rettv->vval.v_string = NULL;
+ else
+ rettv->vval.v_string = do_string_sub(str, pat, sub, expr, flg);
+}
+
+/*
+ * "swapfilelist()" function
+ */
+ static void
+f_swapfilelist(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+ recover_names(NULL, FALSE, rettv->vval.v_list, 0, NULL);
+}
+
+/*
+ * "swapinfo(swap_filename)" function
+ */
+ static void
+f_swapinfo(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script() && check_for_string_arg(argvars, 0) == FAIL)
+ return;
+
+ if (rettv_dict_alloc(rettv) == OK)
+ get_b0_dict(tv_get_string(argvars), rettv->vval.v_dict);
+}
+
+/*
+ * "swapname(expr)" function
+ */
+ static void
+f_swapname(typval_T *argvars, typval_T *rettv)
+{
+ buf_T *buf;
+
+ rettv->v_type = VAR_STRING;
+
+ if (in_vim9script() && check_for_buffer_arg(argvars, 0) == FAIL)
+ return;
+
+ buf = tv_get_buf(&argvars[0], FALSE);
+ if (buf == NULL || buf->b_ml.ml_mfp == NULL
+ || buf->b_ml.ml_mfp->mf_fname == NULL)
+ rettv->vval.v_string = NULL;
+ else
+ rettv->vval.v_string = vim_strsave(buf->b_ml.ml_mfp->mf_fname);
+}
+
+/*
+ * "synID(lnum, col, trans)" function
+ */
+ static void
+f_synID(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ int id = 0;
+#ifdef FEAT_SYN_HL
+ linenr_T lnum;
+ colnr_T col;
+ int trans;
+ int transerr = FALSE;
+
+ if (in_vim9script()
+ && (check_for_lnum_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL
+ || check_for_bool_arg(argvars, 2) == FAIL))
+ return;
+
+ lnum = tv_get_lnum(argvars); // -1 on type error
+ col = (linenr_T)tv_get_number(&argvars[1]) - 1; // -1 on type error
+ trans = (int)tv_get_bool_chk(&argvars[2], &transerr);
+
+ if (!transerr && lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
+ && col >= 0 && col < (long)STRLEN(ml_get(lnum)))
+ id = syn_get_id(curwin, lnum, col, trans, NULL, FALSE);
+#endif
+
+ rettv->vval.v_number = id;
+}
+
+/*
+ * "synIDattr(id, what [, mode])" function
+ */
+ static void
+f_synIDattr(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ char_u *p = NULL;
+#ifdef FEAT_SYN_HL
+ int id;
+ char_u *what;
+ char_u *mode;
+ char_u modebuf[NUMBUFLEN];
+ int modec;
+
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_string_arg(argvars, 1) == FAIL
+ || check_for_opt_string_arg(argvars, 2) == FAIL))
+ return;
+
+ id = (int)tv_get_number(&argvars[0]);
+ what = tv_get_string(&argvars[1]);
+ if (argvars[2].v_type != VAR_UNKNOWN)
+ {
+ mode = tv_get_string_buf(&argvars[2], modebuf);
+ modec = TOLOWER_ASC(mode[0]);
+ if (modec != 't' && modec != 'c' && modec != 'g')
+ modec = 0; // replace invalid with current
+ }
+ else
+ {
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+ if (USE_24BIT)
+ modec = 'g';
+ else
+#endif
+ if (t_colors > 1)
+ modec = 'c';
+ else
+ modec = 't';
+ }
+
+ switch (TOLOWER_ASC(what[0]))
+ {
+ case 'b':
+ if (TOLOWER_ASC(what[1]) == 'g') // bg[#]
+ p = highlight_color(id, what, modec);
+ else // bold
+ p = highlight_has_attr(id, HL_BOLD, modec);
+ break;
+
+ case 'f': // fg[#] or font
+ p = highlight_color(id, what, modec);
+ break;
+
+ case 'i':
+ if (TOLOWER_ASC(what[1]) == 'n') // inverse
+ p = highlight_has_attr(id, HL_INVERSE, modec);
+ else // italic
+ p = highlight_has_attr(id, HL_ITALIC, modec);
+ break;
+
+ case 'n':
+ if (TOLOWER_ASC(what[1]) == 'o') // nocombine
+ p = highlight_has_attr(id, HL_NOCOMBINE, modec);
+ else // name
+ p = get_highlight_name_ext(NULL, id - 1, FALSE);
+ break;
+
+ case 'r': // reverse
+ p = highlight_has_attr(id, HL_INVERSE, modec);
+ break;
+
+ case 's':
+ if (TOLOWER_ASC(what[1]) == 'p') // sp[#]
+ p = highlight_color(id, what, modec);
+ // strikeout
+ else if (TOLOWER_ASC(what[1]) == 't' &&
+ TOLOWER_ASC(what[2]) == 'r')
+ p = highlight_has_attr(id, HL_STRIKETHROUGH, modec);
+ else // standout
+ p = highlight_has_attr(id, HL_STANDOUT, modec);
+ break;
+
+ case 'u':
+ if (STRLEN(what) >= 9)
+ {
+ if (TOLOWER_ASC(what[5]) == 'l')
+ // underline
+ p = highlight_has_attr(id, HL_UNDERLINE, modec);
+ else if (TOLOWER_ASC(what[5]) != 'd')
+ // undercurl
+ p = highlight_has_attr(id, HL_UNDERCURL, modec);
+ else if (TOLOWER_ASC(what[6]) != 'o')
+ // underdashed
+ p = highlight_has_attr(id, HL_UNDERDASHED, modec);
+ else if (TOLOWER_ASC(what[7]) == 'u')
+ // underdouble
+ p = highlight_has_attr(id, HL_UNDERDOUBLE, modec);
+ else
+ // underdotted
+ p = highlight_has_attr(id, HL_UNDERDOTTED, modec);
+ }
+ else
+ // ul
+ p = highlight_color(id, what, modec);
+ break;
+ }
+
+ if (p != NULL)
+ p = vim_strsave(p);
+#endif
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = p;
+}
+
+/*
+ * "synIDtrans(id)" function
+ */
+ static void
+f_synIDtrans(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ int id;
+
+#ifdef FEAT_SYN_HL
+ if (in_vim9script() && check_for_number_arg(argvars, 0) == FAIL)
+ return;
+
+ id = (int)tv_get_number(&argvars[0]);
+
+ if (id > 0)
+ id = syn_get_final_id(id);
+ else
+#endif
+ id = 0;
+
+ rettv->vval.v_number = id;
+}
+
+/*
+ * "synconcealed(lnum, col)" function
+ */
+ static void
+f_synconcealed(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#if defined(FEAT_SYN_HL) && defined(FEAT_CONCEAL)
+ linenr_T lnum;
+ colnr_T col;
+ int syntax_flags = 0;
+ int cchar;
+ int matchid = 0;
+ char_u str[NUMBUFLEN];
+#endif
+
+ rettv_list_set(rettv, NULL);
+
+ if (in_vim9script()
+ && (check_for_lnum_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+#if defined(FEAT_SYN_HL) && defined(FEAT_CONCEAL)
+ lnum = tv_get_lnum(argvars); // -1 on type error
+ col = (colnr_T)tv_get_number(&argvars[1]) - 1; // -1 on type error
+
+ CLEAR_FIELD(str);
+
+ if (rettv_list_alloc(rettv) == OK)
+ {
+ if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
+ && col >= 0 && col <= (long)STRLEN(ml_get(lnum))
+ && curwin->w_p_cole > 0)
+ {
+ (void)syn_get_id(curwin, lnum, col, FALSE, NULL, FALSE);
+ syntax_flags = get_syntax_info(&matchid);
+
+ // get the conceal character
+ if ((syntax_flags & HL_CONCEAL) && curwin->w_p_cole < 3)
+ {
+ cchar = syn_get_sub_char();
+ if (cchar == NUL && curwin->w_p_cole == 1)
+ cchar = (curwin->w_lcs_chars.conceal == NUL) ? ' '
+ : curwin->w_lcs_chars.conceal;
+ if (cchar != NUL)
+ {
+ if (has_mbyte)
+ (*mb_char2bytes)(cchar, str);
+ else
+ str[0] = cchar;
+ }
+ }
+ }
+
+ list_append_number(rettv->vval.v_list,
+ (syntax_flags & HL_CONCEAL) != 0);
+ // -1 to auto-determine strlen
+ list_append_string(rettv->vval.v_list, str, -1);
+ list_append_number(rettv->vval.v_list, matchid);
+ }
+#endif
+}
+
+/*
+ * "synstack(lnum, col)" function
+ */
+ static void
+f_synstack(typval_T *argvars UNUSED, typval_T *rettv)
+{
+#ifdef FEAT_SYN_HL
+ linenr_T lnum;
+ colnr_T col;
+ int i;
+ int id;
+#endif
+
+ rettv_list_set(rettv, NULL);
+
+ if (in_vim9script()
+ && (check_for_lnum_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+#ifdef FEAT_SYN_HL
+ lnum = tv_get_lnum(argvars); // -1 on type error
+ col = (colnr_T)tv_get_number(&argvars[1]) - 1; // -1 on type error
+
+ if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count
+ && col >= 0 && col <= (long)STRLEN(ml_get(lnum))
+ && rettv_list_alloc(rettv) == OK)
+ {
+ (void)syn_get_id(curwin, lnum, col, FALSE, NULL, TRUE);
+ for (i = 0; ; ++i)
+ {
+ id = syn_get_stack_item(i);
+ if (id < 0)
+ break;
+ if (list_append_number(rettv->vval.v_list, id) == FAIL)
+ break;
+ }
+ }
+#endif
+}
+
+/*
+ * "tabpagebuflist()" function
+ */
+ static void
+f_tabpagebuflist(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ tabpage_T *tp;
+ win_T *wp = NULL;
+
+ if (in_vim9script() && check_for_opt_number_arg(argvars, 0) == FAIL)
+ return;
+
+ if (argvars[0].v_type == VAR_UNKNOWN)
+ wp = firstwin;
+ else
+ {
+ tp = find_tabpage((int)tv_get_number(&argvars[0]));
+ if (tp != NULL)
+ wp = (tp == curtab) ? firstwin : tp->tp_firstwin;
+ }
+ if (wp != NULL && rettv_list_alloc(rettv) == OK)
+ {
+ for (; wp != NULL; wp = wp->w_next)
+ if (list_append_number(rettv->vval.v_list,
+ wp->w_buffer->b_fnum) == FAIL)
+ break;
+ }
+}
+
+/*
+ * "tagfiles()" function
+ */
+ static void
+f_tagfiles(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ char_u *fname;
+ tagname_T tn;
+ int first;
+
+ if (rettv_list_alloc(rettv) == FAIL)
+ return;
+ fname = alloc(MAXPATHL);
+ if (fname == NULL)
+ return;
+
+ for (first = TRUE; ; first = FALSE)
+ if (get_tagfname(&tn, first, fname) == FAIL
+ || list_append_string(rettv->vval.v_list, fname, -1) == FAIL)
+ break;
+ tagname_free(&tn);
+ vim_free(fname);
+}
+
+/*
+ * "taglist()" function
+ */
+ static void
+f_taglist(typval_T *argvars, typval_T *rettv)
+{
+ char_u *fname = NULL;
+ char_u *tag_pattern;
+
+ if (in_vim9script()
+ && (check_for_string_arg(argvars, 0) == FAIL
+ || check_for_opt_string_arg(argvars, 1) == FAIL))
+ return;
+
+ tag_pattern = tv_get_string(&argvars[0]);
+
+ rettv->vval.v_number = FALSE;
+ if (*tag_pattern == NUL)
+ return;
+
+ if (argvars[1].v_type != VAR_UNKNOWN)
+ fname = tv_get_string(&argvars[1]);
+ if (rettv_list_alloc(rettv) == OK)
+ (void)get_tags(rettv->vval.v_list, tag_pattern, fname);
+}
+
+/*
+ * "type(expr)" function
+ */
+ static void
+f_type(typval_T *argvars, typval_T *rettv)
+{
+ int n = -1;
+
+ switch (argvars[0].v_type)
+ {
+ case VAR_NUMBER: n = VAR_TYPE_NUMBER; break;
+ case VAR_STRING: n = VAR_TYPE_STRING; break;
+ case VAR_PARTIAL:
+ case VAR_FUNC: n = VAR_TYPE_FUNC; break;
+ case VAR_LIST: n = VAR_TYPE_LIST; break;
+ case VAR_DICT: n = VAR_TYPE_DICT; break;
+ case VAR_FLOAT: n = VAR_TYPE_FLOAT; break;
+ case VAR_BOOL: n = VAR_TYPE_BOOL; break;
+ case VAR_SPECIAL: n = VAR_TYPE_NONE; break;
+ case VAR_JOB: n = VAR_TYPE_JOB; break;
+ case VAR_CHANNEL: n = VAR_TYPE_CHANNEL; break;
+ case VAR_BLOB: n = VAR_TYPE_BLOB; break;
+ case VAR_INSTR: n = VAR_TYPE_INSTR; break;
+ case VAR_CLASS: n = VAR_TYPE_CLASS; break;
+ case VAR_OBJECT: n = VAR_TYPE_OBJECT; break;
+ case VAR_UNKNOWN:
+ case VAR_ANY:
+ case VAR_VOID:
+ internal_error_no_abort("f_type(UNKNOWN)");
+ n = -1;
+ break;
+ }
+ rettv->vval.v_number = n;
+}
+
+/*
+ * "virtcol(string, bool)" function
+ */
+ static void
+f_virtcol(typval_T *argvars, typval_T *rettv)
+{
+ colnr_T vcol_start = 0;
+ colnr_T vcol_end = 0;
+ pos_T *fp;
+ int fnum = curbuf->b_fnum;
+ int len;
+
+ if (in_vim9script()
+ && (check_for_string_or_list_arg(argvars, 0) == FAIL
+ || (argvars[1].v_type != VAR_UNKNOWN
+ && check_for_bool_arg(argvars, 1) == FAIL)))
+ return;
+
+ fp = var2fpos(&argvars[0], FALSE, &fnum, FALSE);
+ if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count
+ && fnum == curbuf->b_fnum)
+ {
+ // Limit the column to a valid value, getvvcol() doesn't check.
+ if (fp->col < 0)
+ fp->col = 0;
+ else
+ {
+ len = (int)STRLEN(ml_get(fp->lnum));
+ if (fp->col > len)
+ fp->col = len;
+ }
+ getvvcol(curwin, fp, &vcol_start, NULL, &vcol_end);
+ ++vcol_start;
+ ++vcol_end;
+ }
+
+ if (argvars[1].v_type != VAR_UNKNOWN && tv_get_bool(&argvars[1]))
+ {
+ if (rettv_list_alloc(rettv) == OK)
+ {
+ list_append_number(rettv->vval.v_list, vcol_start);
+ list_append_number(rettv->vval.v_list, vcol_end);
+ }
+ else
+ rettv->vval.v_number = 0;
+ }
+ else
+ rettv->vval.v_number = vcol_end;
+}
+
+/*
+ * "visualmode()" function
+ */
+ static void
+f_visualmode(typval_T *argvars, typval_T *rettv)
+{
+ char_u str[2];
+
+ if (in_vim9script() && check_for_opt_bool_arg(argvars, 0) == FAIL)
+ return;
+
+ rettv->v_type = VAR_STRING;
+ str[0] = curbuf->b_visual_mode_eval;
+ str[1] = NUL;
+ rettv->vval.v_string = vim_strsave(str);
+
+ // A non-zero number or non-empty string argument: reset mode.
+ if (non_zero_arg(&argvars[0]))
+ curbuf->b_visual_mode_eval = NUL;
+}
+
+/*
+ * "wildmenumode()" function
+ */
+ static void
+f_wildmenumode(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ if (wild_menu_showing || ((State & MODE_CMDLINE) && cmdline_pum_active()))
+ rettv->vval.v_number = 1;
+}
+
+/*
+ * "windowsversion()" function
+ */
+ static void
+f_windowsversion(typval_T *argvars UNUSED, typval_T *rettv UNUSED)
+{
+ rettv->v_type = VAR_STRING;
+ rettv->vval.v_string = vim_strsave((char_u *)windowsVersion);
+}
+
+/*
+ * "wordcount()" function
+ */
+ static void
+f_wordcount(typval_T *argvars UNUSED, typval_T *rettv)
+{
+ if (rettv_dict_alloc(rettv) == FAIL)
+ return;
+ cursor_pos_info(rettv->vval.v_dict);
+}
+
+/*
+ * "xor(expr, expr)" function
+ */
+ static void
+f_xor(typval_T *argvars, typval_T *rettv)
+{
+ if (in_vim9script()
+ && (check_for_number_arg(argvars, 0) == FAIL
+ || check_for_number_arg(argvars, 1) == FAIL))
+ return;
+
+ rettv->vval.v_number = tv_get_number_chk(&argvars[0], NULL)
+ ^ tv_get_number_chk(&argvars[1], NULL);
+}
+
+#endif // FEAT_EVAL