diff options
Diffstat (limited to 'src/userfunc.c')
| -rw-r--r-- | src/userfunc.c | 83 |
1 files changed, 79 insertions, 4 deletions
diff --git a/src/userfunc.c b/src/userfunc.c index de0cdb7ea5..de7034df82 100644 --- a/src/userfunc.c +++ b/src/userfunc.c @@ -366,7 +366,7 @@ register_cfunc(cfunc_T cb, cfunc_free_T cb_free, void *state) if (fp == NULL) return NULL; - fp->uf_dfunc_idx = UF_NOT_COMPILED; + fp->uf_def_status = UF_NOT_COMPILED; fp->uf_refcount = 1; fp->uf_varargs = TRUE; fp->uf_flags = FC_CFUNC; @@ -1069,7 +1069,8 @@ func_remove(ufunc_T *fp) { // When there is a def-function index do not actually remove the // function, so we can find the index when defining the function again. - if (fp->uf_def_status == UF_COMPILED) + // Do remove it when it's a copy. + if (fp->uf_def_status == UF_COMPILED && (fp->uf_flags & FC_COPY) == 0) fp->uf_flags |= FC_DEAD; else hash_remove(&func_hashtab, hi); @@ -1122,7 +1123,8 @@ func_clear(ufunc_T *fp, int force) // clear this function func_clear_items(fp); funccal_unref(fp->uf_scoped, fp, force); - clear_def_function(fp); + if ((fp->uf_flags & FC_COPY) == 0) + clear_def_function(fp); } /* @@ -1150,12 +1152,83 @@ func_free(ufunc_T *fp, int force) func_clear_free(ufunc_T *fp, int force) { func_clear(fp, force); - if (force || fp->uf_dfunc_idx == 0) + if (force || fp->uf_dfunc_idx == 0 || (fp->uf_flags & FC_COPY)) func_free(fp, force); else fp->uf_flags |= FC_DEAD; } +/* + * Copy already defined function "lambda" to a new function with name "global". + * This is for when a compiled function defines a global function. + */ + void +copy_func(char_u *lambda, char_u *global) +{ + ufunc_T *ufunc = find_func_even_dead(lambda, TRUE, NULL); + ufunc_T *fp; + + if (ufunc == NULL) + semsg(_("E1102: lambda function not found: %s"), lambda); + else + { + // TODO: handle ! to overwrite + fp = find_func(global, TRUE, NULL); + if (fp != NULL) + { + semsg(_(e_funcexts), global); + return; + } + + fp = alloc_clear(offsetof(ufunc_T, uf_name) + STRLEN(global) + 1); + if (fp == NULL) + return; + + fp->uf_varargs = ufunc->uf_varargs; + fp->uf_flags = (ufunc->uf_flags & ~FC_VIM9) | FC_COPY; + fp->uf_def_status = ufunc->uf_def_status; + fp->uf_dfunc_idx = ufunc->uf_dfunc_idx; + if (ga_copy_strings(&fp->uf_args, &ufunc->uf_args) == FAIL + || ga_copy_strings(&fp->uf_def_args, &ufunc->uf_def_args) + == FAIL + || ga_copy_strings(&fp->uf_lines, &ufunc->uf_lines) == FAIL) + goto failed; + + fp->uf_name_exp = ufunc->uf_name_exp == NULL ? NULL + : vim_strsave(ufunc->uf_name_exp); + if (ufunc->uf_arg_types != NULL) + { + fp->uf_arg_types = ALLOC_MULT(type_T *, fp->uf_args.ga_len); + if (fp->uf_arg_types == NULL) + goto failed; + mch_memmove(fp->uf_arg_types, ufunc->uf_arg_types, + sizeof(type_T *) * fp->uf_args.ga_len); + } + if (ufunc->uf_def_arg_idx != NULL) + { + fp->uf_def_arg_idx = ALLOC_MULT(int, fp->uf_def_args.ga_len + 1); + if (fp->uf_def_arg_idx == NULL) + goto failed; + mch_memmove(fp->uf_def_arg_idx, ufunc->uf_def_arg_idx, + sizeof(int) * fp->uf_def_args.ga_len + 1); + } + if (ufunc->uf_va_name != NULL) + { + fp->uf_va_name = vim_strsave(ufunc->uf_va_name); + if (fp->uf_va_name == NULL) + goto failed; + } + + fp->uf_refcount = 1; + STRCPY(fp->uf_name, global); + hash_add(&func_hashtab, UF2HIKEY(fp)); + } + return; + +failed: + func_clear_free(fp, TRUE); +} + /* * Call a user function. @@ -2521,6 +2594,8 @@ list_functions(regmatch_T *regmatch) /* * ":function" also supporting nested ":def". + * When "name_arg" is not NULL this is a nested function, using "name_arg" for + * the function name. * Returns a pointer to the function or NULL if no function defined. */ ufunc_T * |