# HG changeset patch # User Bram Moolenaar # Date 1642450502 -3600 # Node ID a10936038ec94f4ce9fec5d7fae57468f5b66c35 # Parent f06a8d62285160d89d6b92eb3a450d932f100eff patch 8.2.4123: complete function cannot be import.Name Commit: https://github.com/vim/vim/commit/15d1635e50896002fbd4ebbc896b78a155b2487d Author: Bram Moolenaar Date: Mon Jan 17 20:09:08 2022 +0000 patch 8.2.4123: complete function cannot be import.Name Problem: Complete function cannot be import.Name. Solution: Dereference the function name if needed. Also: do not see "import.Name" as a builtin function. (closes #9541) diff --git a/src/eval.c b/src/eval.c --- a/src/eval.c +++ b/src/eval.c @@ -626,6 +626,63 @@ eval_expr(char_u *arg, exarg_T *eap) } /* + * "*arg" points to what can be a function name in the form of "import.Name" or + * "Funcref". Return the name of the function. Set "tofree" to something that + * was allocated. + * If "verbose" is FALSE no errors are given. + * Return NULL for any failure. + */ + static char_u * +deref_function_name( + char_u **arg, + char_u **tofree, + evalarg_T *evalarg, + int verbose) +{ + typval_T ref; + char_u *name = *arg; + + ref.v_type = VAR_UNKNOWN; + if (eval7(arg, &ref, evalarg, FALSE) == FAIL) + return NULL; + if (*skipwhite(*arg) != NUL) + { + if (verbose) + semsg(_(e_trailing_characters_str), *arg); + name = NULL; + } + else if (ref.v_type == VAR_FUNC && ref.vval.v_string != NULL) + { + name = ref.vval.v_string; + ref.vval.v_string = NULL; + *tofree = name; + } + else if (ref.v_type == VAR_PARTIAL && ref.vval.v_partial != NULL) + { + if (ref.vval.v_partial->pt_argc > 0 + || ref.vval.v_partial->pt_dict != NULL) + { + if (verbose) + emsg(_(e_cannot_use_partial_here)); + name = NULL; + } + else + { + name = vim_strsave(partial_name(ref.vval.v_partial)); + *tofree = name; + } + } + else + { + if (verbose) + semsg(_(e_not_callable_type_str), name); + name = NULL; + } + clear_tv(&ref); + return name; +} + +/* * Call some Vim script function and return the result in "*rettv". * Uses argv[0] to argv[argc - 1] for the function arguments. argv[argc] * should have type VAR_UNKNOWN. @@ -640,15 +697,27 @@ call_vim_function( { int ret; funcexe_T funcexe; + char_u *arg; + char_u *name; + char_u *tofree = NULL; rettv->v_type = VAR_UNKNOWN; // clear_tv() uses this CLEAR_FIELD(funcexe); funcexe.fe_firstline = curwin->w_cursor.lnum; funcexe.fe_lastline = curwin->w_cursor.lnum; funcexe.fe_evaluate = TRUE; - ret = call_func(func, -1, rettv, argc, argv, &funcexe); + + // The name might be "import.Func" or "Funcref". + arg = func; + name = deref_function_name(&arg, &tofree, &EVALARG_EVALUATE, FALSE); + if (name == NULL) + name = func; + + ret = call_func(name, -1, rettv, argc, argv, &funcexe); + if (ret == FAIL) clear_tv(rettv); + vim_free(tofree); return ret; } @@ -3979,57 +4048,16 @@ eval_method( if (**arg != '(' && alias == NULL && (paren = vim_strchr(*arg, '(')) != NULL) { - typval_T ref; - *arg = name; *paren = NUL; - ref.v_type = VAR_UNKNOWN; - if (eval7(arg, &ref, evalarg, FALSE) == FAIL) + name = deref_function_name(arg, &tofree, evalarg, verbose); + if (name == NULL) { *arg = name + len; ret = FAIL; } - else if (*skipwhite(*arg) != NUL) - { - if (verbose) - semsg(_(e_trailing_characters_str), *arg); - ret = FAIL; - } - else if (ref.v_type == VAR_FUNC && ref.vval.v_string != NULL) - { - name = ref.vval.v_string; - ref.vval.v_string = NULL; - tofree = name; + else len = STRLEN(name); - } - else if (ref.v_type == VAR_PARTIAL && ref.vval.v_partial != NULL) - { - if (ref.vval.v_partial->pt_argc > 0 - || ref.vval.v_partial->pt_dict != NULL) - { - emsg(_(e_cannot_use_partial_here)); - ret = FAIL; - } - else - { - name = vim_strsave(partial_name(ref.vval.v_partial)); - tofree = name; - if (name == NULL) - { - ret = FAIL; - name = *arg; - } - else - len = STRLEN(name); - } - } - else - { - if (verbose) - semsg(_(e_not_callable_type_str), name); - ret = FAIL; - } - clear_tv(&ref); *paren = '('; } diff --git a/src/testdir/test_vim9_import.vim b/src/testdir/test_vim9_import.vim --- a/src/testdir/test_vim9_import.vim +++ b/src/testdir/test_vim9_import.vim @@ -580,6 +580,29 @@ def Test_use_import_in_mapping() nunmap enddef +def Test_use_import_in_completion() + var lines =<< trim END + vim9script + export def Complete(..._): list + return ['abcd'] + enddef + END + writefile(lines, 'Xscript.vim') + + lines =<< trim END + vim9script + import './Xscript.vim' + + command -nargs=1 -complete=customlist,Xscript.Complete Cmd echo 'ok' + feedkeys(":Cmd ab\\#\", 'xnt') + assert_equal('#Cmd abcd', @:) + END + CheckScriptSuccess(lines) + + delcommand Cmd + delete('Xscript.vim') +enddef + def Test_export_fails() CheckScriptFailure(['export var some = 123'], 'E1042:') CheckScriptFailure(['vim9script', 'export var g:some'], 'E1022:') diff --git a/src/userfunc.c b/src/userfunc.c --- a/src/userfunc.c +++ b/src/userfunc.c @@ -3119,18 +3119,30 @@ free_all_functions(void) /* * Return TRUE if "name" looks like a builtin function name: starts with a - * lower case letter and doesn't contain AUTOLOAD_CHAR or ':'. + * lower case letter, doesn't contain AUTOLOAD_CHAR or ':', no "." after the + * name. * "len" is the length of "name", or -1 for NUL terminated. */ int builtin_function(char_u *name, int len) { - char_u *p; + int i; if (!ASCII_ISLOWER(name[0]) || name[1] == ':') return FALSE; - p = vim_strchr(name, AUTOLOAD_CHAR); - return p == NULL || (len > 0 && p > name + len); + for (i = 0; name[i] != NUL && (len < 0 || i < len); ++i) + { + if (name[i] == AUTOLOAD_CHAR) + return FALSE; + if (!eval_isnamec(name[i])) + { + // "name.something" is not a builtin function + if (name[i] == '.') + return FALSE; + break; + } + } + return TRUE; } int diff --git a/src/version.c b/src/version.c --- a/src/version.c +++ b/src/version.c @@ -751,6 +751,8 @@ static char *(features[]) = static int included_patches[] = { /* Add new patch number below this line */ /**/ + 4123, +/**/ 4122, /**/ 4121,