diff options
Diffstat (limited to 'src/nvim/eval/userfunc.c')
| -rw-r--r-- | src/nvim/eval/userfunc.c | 1043 |
1 files changed, 569 insertions, 474 deletions
diff --git a/src/nvim/eval/userfunc.c b/src/nvim/eval/userfunc.c index c46cb6ba5d..22c5b1954d 100644 --- a/src/nvim/eval/userfunc.c +++ b/src/nvim/eval/userfunc.c @@ -3,45 +3,52 @@ // User defined function support +#include <assert.h> +#include <ctype.h> +#include <inttypes.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "lauxlib.h" #include "nvim/ascii.h" +#include "nvim/autocmd.h" +#include "nvim/buffer_defs.h" #include "nvim/charset.h" #include "nvim/debugger.h" -#include "nvim/edit.h" #include "nvim/eval.h" #include "nvim/eval/encode.h" #include "nvim/eval/funcs.h" +#include "nvim/eval/typval.h" #include "nvim/eval/userfunc.h" #include "nvim/eval/vars.h" +#include "nvim/ex_cmds_defs.h" #include "nvim/ex_docmd.h" #include "nvim/ex_eval.h" #include "nvim/ex_getln.h" -#include "nvim/fileio.h" #include "nvim/getchar.h" +#include "nvim/gettext.h" #include "nvim/globals.h" #include "nvim/insexpand.h" +#include "nvim/keycodes.h" #include "nvim/lua/executor.h" +#include "nvim/macros.h" +#include "nvim/mbyte.h" +#include "nvim/memline_defs.h" +#include "nvim/memory.h" +#include "nvim/message.h" +#include "nvim/option_defs.h" #include "nvim/os/input.h" +#include "nvim/path.h" #include "nvim/profile.h" #include "nvim/regexp.h" #include "nvim/runtime.h" #include "nvim/search.h" +#include "nvim/strings.h" +#include "nvim/types.h" #include "nvim/ui.h" #include "nvim/vim.h" -// flags used in uf_flags -#define FC_ABORT 0x01 // abort function on error -#define FC_RANGE 0x02 // function accepts range -#define FC_DICT 0x04 // Dict function, uses "self" -#define FC_CLOSURE 0x08 // closure, uses outer scope variables -#define FC_DELETED 0x10 // :delfunction used while uf_refcount > 0 -#define FC_REMOVED 0x20 // function redefined while uf_refcount > 0 -#define FC_SANDBOX 0x40 // function defined in the sandbox -#define FC_DEAD 0x80 // function kept only for reference to dfunc -#define FC_EXPORT 0x100 // "export def Func()" -#define FC_NOARGS 0x200 // no a: variables in lambda -#define FC_VIM9 0x400 // defined in vim9 script file -#define FC_CFUNC 0x800 // C function extension - #ifdef INCLUDE_GENERATED_DECLARATIONS # include "eval/userfunc.c.generated.h" #endif @@ -62,6 +69,8 @@ static char *e_funcexts = N_("E122: Function %s already exists, add ! to replace static char *e_funcdict = N_("E717: Dictionary entry already exists"); static char *e_funcref = N_("E718: Funcref required"); static char *e_nofunc = N_("E130: Unknown function: %s"); +static char e_no_white_space_allowed_before_str_str[] + = N_("E1068: No white space allowed before '%s': %s"); void func_init(void) { @@ -75,7 +84,7 @@ hashtab_T *func_tbl_get(void) } /// Get function arguments. -static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int *varargs, +static int get_function_args(char **argp, char endchar, garray_T *newargs, int *varargs, garray_T *default_args, bool skip) { bool mustend = false; @@ -85,10 +94,10 @@ static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int int i; if (newargs != NULL) { - ga_init(newargs, (int)sizeof(char_u *), 3); + ga_init(newargs, (int)sizeof(char *), 3); } if (default_args != NULL) { - ga_init(default_args, (int)sizeof(char_u *), 3); + ga_init(default_args, (int)sizeof(char *), 3); } if (varargs != NULL) { @@ -97,7 +106,7 @@ static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int // Isolate the arguments: "arg1, arg2, ...)" bool any_default = false; - while (*p != (char)endchar) { + while (*p != endchar) { if (p[0] == '.' && p[1] == '.' && p[2] == '.') { if (varargs != NULL) { *varargs = true; @@ -109,9 +118,9 @@ static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int while (ASCII_ISALNUM(*p) || *p == '_') { p++; } - if (arg == p || isdigit(*arg) - || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0) - || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0)) { + if (arg == p || isdigit((uint8_t)(*arg)) + || (p - arg == 9 && strncmp(arg, "firstline", 9) == 0) + || (p - arg == 8 && strncmp(arg, "lastline", 8) == 0)) { if (!skip) { semsg(_("E125: Illegal argument: %s"), arg); } @@ -125,7 +134,7 @@ static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int // Check for duplicate argument name. for (i = 0; i < newargs->ga_len; i++) { - if (STRCMP(((char **)(newargs->ga_data))[i], arg) == 0) { + if (strcmp(((char **)(newargs->ga_data))[i], arg) == 0) { semsg(_("E853: Duplicate argument name: %s"), arg); xfree(arg); goto err_ret; @@ -142,18 +151,18 @@ static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int any_default = true; p = skipwhite(p) + 1; p = skipwhite(p); - char_u *expr = (char_u *)p; + char *expr = p; if (eval1(&p, &rettv, false) != FAIL) { ga_grow(default_args, 1); // trim trailing whitespace - while (p > (char *)expr && ascii_iswhite(p[-1])) { + while (p > expr && ascii_iswhite(p[-1])) { p--; } c = (char_u)(*p); *p = NUL; - expr = vim_strsave(expr); - ((char **)(default_args->ga_data))[default_args->ga_len] = (char *)expr; + expr = xstrdup(expr); + ((char **)(default_args->ga_data))[default_args->ga_len] = expr; default_args->ga_len++; *p = (char)c; } else { @@ -163,6 +172,15 @@ static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int emsg(_("E989: Non-default argument follows default argument")); mustend = true; } + + if (ascii_iswhite(*p) && *skipwhite(p) == ',') { + // Be tolerant when skipping + if (!skip) { + semsg(_(e_no_white_space_allowed_before_str_str), ",", p); + goto err_ret; + } + p = skipwhite(p); + } if (*p == ',') { p++; } else { @@ -170,14 +188,14 @@ static int get_function_args(char **argp, char_u endchar, garray_T *newargs, int } } p = skipwhite(p); - if (mustend && *p != (char)endchar) { + if (mustend && *p != endchar) { if (!skip) { semsg(_(e_invarg2), *argp); } break; } } - if (*p != (char)endchar) { + if (*p != endchar) { goto err_ret; } p++; // skip "endchar" @@ -211,21 +229,21 @@ static void register_closure(ufunc_T *fp) } /// @return a name for a lambda. Returned in static memory. -char_u *get_lambda_name(void) +char *get_lambda_name(void) { - static char_u name[30]; + static char name[30]; static int lambda_no = 0; - snprintf((char *)name, sizeof(name), "<lambda>%d", ++lambda_no); + snprintf(name, sizeof(name), "<lambda>%d", ++lambda_no); return name; } -static void set_ufunc_name(ufunc_T *fp, char_u *name) +static void set_ufunc_name(ufunc_T *fp, char *name) { STRCPY(fp->uf_name, name); - if (name[0] == K_SPECIAL) { - fp->uf_name_exp = xmalloc(STRLEN(name) + 3); + if ((uint8_t)name[0] == K_SPECIAL) { + fp->uf_name_exp = xmalloc(strlen(name) + 3); STRCPY(fp->uf_name_exp, "<SNR>"); STRCAT(fp->uf_name_exp, fp->uf_name + 3); } @@ -242,13 +260,13 @@ int get_lambda_tv(char **arg, typval_T *rettv, bool evaluate) partial_T *pt = NULL; int varargs; int ret; - char_u *start = (char_u *)skipwhite(*arg + 1); - char_u *s, *e; + char *start = skipwhite(*arg + 1); + char *s, *e; bool *old_eval_lavars = eval_lavars_used; bool eval_lavars = false; // First, check if this is a lambda expression. "->" must exists. - ret = get_function_args((char **)&start, '-', NULL, NULL, NULL, true); + ret = get_function_args(&start, '-', NULL, NULL, NULL, true); if (ret == FAIL || *start != '>') { return NOTDONE; } @@ -272,38 +290,39 @@ int get_lambda_tv(char **arg, typval_T *rettv, bool evaluate) // Get the start and the end of the expression. *arg = skipwhite((*arg) + 1); - s = (char_u *)(*arg); + s = *arg; ret = skip_expr(arg); if (ret == FAIL) { goto errret; } - e = (char_u *)(*arg); + e = *arg; *arg = skipwhite(*arg); if (**arg != '}') { + semsg(_("E451: Expected }: %s"), *arg); goto errret; } (*arg)++; if (evaluate) { int flags = 0; - char_u *p; + char *p; garray_T newlines; - char_u *name = get_lambda_name(); + char *name = get_lambda_name(); - fp = xcalloc(1, offsetof(ufunc_T, uf_name) + STRLEN(name) + 1); + fp = xcalloc(1, offsetof(ufunc_T, uf_name) + strlen(name) + 1); pt = xcalloc(1, sizeof(partial_T)); - ga_init(&newlines, (int)sizeof(char_u *), 1); + ga_init(&newlines, (int)sizeof(char *), 1); ga_grow(&newlines, 1); // Add "return " before the expression. size_t len = (size_t)(7 + e - s + 1); - p = (char_u *)xmalloc(len); - ((char **)(newlines.ga_data))[newlines.ga_len++] = (char *)p; + p = xmalloc(len); + ((char **)(newlines.ga_data))[newlines.ga_len++] = p; STRCPY(p, "return "); - STRLCPY(p + 7, s, e - s + 1); - if (strstr((char *)p + 7, "a:") == NULL) { + xstrlcpy(p + 7, s, (size_t)(e - s) + 1); + if (strstr(p + 7, "a:") == NULL) { // No a: variables are used for sure. flags |= FC_NOARGS; } @@ -312,7 +331,7 @@ int get_lambda_tv(char **arg, typval_T *rettv, bool evaluate) set_ufunc_name(fp, name); hash_add(&func_hashtab, UF2HIKEY(fp)); fp->uf_args = newargs; - ga_init(&fp->uf_def_args, (int)sizeof(char_u *), 1); + ga_init(&fp->uf_def_args, (int)sizeof(char *), 1); fp->uf_lines = newlines; if (current_funccal != NULL && eval_lavars) { flags |= FC_CLOSURE; @@ -365,7 +384,7 @@ errret: /// was not found. /// /// @return name of the function. -char_u *deref_func_name(const char *name, int *lenp, partial_T **const partialp, bool no_autoload) +char *deref_func_name(const char *name, int *lenp, partial_T **const partialp, bool no_autoload) FUNC_ATTR_NONNULL_ARG(1, 2) { if (partialp != NULL) { @@ -376,10 +395,10 @@ char_u *deref_func_name(const char *name, int *lenp, partial_T **const partialp, if (v != NULL && v->di_tv.v_type == VAR_FUNC) { if (v->di_tv.vval.v_string == NULL) { // just in case *lenp = 0; - return (char_u *)""; + return ""; } - *lenp = (int)STRLEN(v->di_tv.vval.v_string); - return (char_u *)v->di_tv.vval.v_string; + *lenp = (int)strlen(v->di_tv.vval.v_string); + return v->di_tv.vval.v_string; } if (v != NULL && v->di_tv.v_type == VAR_PARTIAL) { @@ -387,31 +406,31 @@ char_u *deref_func_name(const char *name, int *lenp, partial_T **const partialp, if (pt == NULL) { // just in case *lenp = 0; - return (char_u *)""; + return ""; } if (partialp != NULL) { *partialp = pt; } - char_u *s = (char_u *)partial_name(pt); - *lenp = (int)STRLEN(s); + char *s = partial_name(pt); + *lenp = (int)strlen(s); return s; } - return (char_u *)name; + return (char *)name; } /// Give an error message with a function name. Handle <SNR> things. /// /// @param ermsg must be passed without translation (use N_() instead of _()). /// @param name function name -void emsg_funcname(char *ermsg, const char_u *name) +void emsg_funcname(char *ermsg, const char *name) { - char_u *p; + char *p; - if (*name == K_SPECIAL) { - p = concat_str((char_u *)"<SNR>", name + 3); + if ((uint8_t)(*name) == K_SPECIAL) { + p = concat_str("<SNR>", name + 3); } else { - p = (char_u *)name; + p = (char *)name; } semsg(_(ermsg), p); @@ -429,7 +448,7 @@ void emsg_funcname(char *ermsg, const char_u *name) /// @param funcexe various values /// /// @return OK or FAIL. -int get_func_tv(const char_u *name, int len, typval_T *rettv, char **arg, funcexe_T *funcexe) +int get_func_tv(const char *name, int len, typval_T *rettv, char **arg, funcexe_T *funcexe) { char *argp; int ret = OK; @@ -439,12 +458,12 @@ int get_func_tv(const char_u *name, int len, typval_T *rettv, char **arg, funcex // Get the arguments. argp = *arg; while (argcount < MAX_FUNC_ARGS - - (funcexe->partial == NULL ? 0 : funcexe->partial->pt_argc)) { + - (funcexe->fe_partial == NULL ? 0 : funcexe->fe_partial->pt_argc)) { argp = skipwhite(argp + 1); // skip the '(' or ',' if (*argp == ')' || *argp == ',' || *argp == NUL) { break; } - if (eval1(&argp, &argvars[argcount], funcexe->evaluate) == FAIL) { + if (eval1(&argp, &argvars[argcount], funcexe->fe_evaluate) == FAIL) { ret = FAIL; break; } @@ -463,7 +482,7 @@ int get_func_tv(const char_u *name, int len, typval_T *rettv, char **arg, funcex int i = 0; if (get_vim_var_nr(VV_TESTING)) { - // Prepare for calling garbagecollect_for_testing(), need to know + // Prepare for calling test_garbagecollect_now(), need to know // what variables are used on the call stack. if (funcargs.ga_itemsize == 0) { ga_init(&funcargs, (int)sizeof(typval_T *), 50); @@ -473,7 +492,7 @@ int get_func_tv(const char_u *name, int len, typval_T *rettv, char **arg, funcex ((typval_T **)funcargs.ga_data)[funcargs.ga_len++] = &argvars[i]; } } - ret = call_func((char *)name, len, rettv, argcount, argvars, funcexe); + ret = call_func(name, len, rettv, argcount, argvars, funcexe); funcargs.ga_len -= i; } else if (!aborting()) { @@ -525,48 +544,47 @@ static inline bool eval_fname_sid(const char *const name) /// /// @return transformed name: either `fname_buf` or a pointer to an allocated /// memory. -static char_u *fname_trans_sid(const char_u *const name, char_u *const fname_buf, - char_u **const tofree, int *const error) +static char *fname_trans_sid(const char *const name, char *const fname_buf, char **const tofree, + int *const error) FUNC_ATTR_NONNULL_ALL FUNC_ATTR_WARN_UNUSED_RESULT { - char_u *fname; - const int llen = eval_fname_script((const char *)name); - if (llen > 0) { - fname_buf[0] = K_SPECIAL; - fname_buf[1] = KS_EXTRA; - fname_buf[2] = KE_SNR; - int i = 3; - if (eval_fname_sid((const char *)name)) { // "<SID>" or "s:" - if (current_sctx.sc_sid <= 0) { - *error = ERROR_SCRIPT; - } else { - snprintf((char *)fname_buf + i, (size_t)(FLEN_FIXED + 1 - i), "%" PRId64 "_", - (int64_t)current_sctx.sc_sid); - i = (int)STRLEN(fname_buf); - } - } - if ((size_t)i + STRLEN(name + llen) < FLEN_FIXED) { - STRCPY(fname_buf + i, name + llen); - fname = fname_buf; + const int llen = eval_fname_script(name); + if (llen == 0) { + return (char *)name; // no prefix + } + + fname_buf[0] = (char)K_SPECIAL; + fname_buf[1] = (char)KS_EXTRA; + fname_buf[2] = KE_SNR; + int i = 3; + if (eval_fname_sid(name)) { // "<SID>" or "s:" + if (current_sctx.sc_sid <= 0) { + *error = FCERR_SCRIPT; } else { - fname = xmalloc((size_t)i + STRLEN(name + llen) + 1); - *tofree = fname; - memmove(fname, fname_buf, (size_t)i); - STRCPY(fname + i, name + llen); + snprintf(fname_buf + i, (size_t)(FLEN_FIXED + 1 - i), "%" PRId64 "_", + (int64_t)current_sctx.sc_sid); + i = (int)strlen(fname_buf); } + } + char *fname; + if ((size_t)i + strlen(name + llen) < FLEN_FIXED) { + STRCPY(fname_buf + i, name + llen); + fname = fname_buf; } else { - fname = (char_u *)name; + fname = xmalloc((size_t)i + strlen(name + llen) + 1); + *tofree = fname; + memmove(fname, fname_buf, (size_t)i); + STRCPY(fname + i, name + llen); } - return fname; } /// Find a function by name, return pointer to it in ufuncs. /// /// @return NULL for unknown function. -ufunc_T *find_func(const char_u *name) +ufunc_T *find_func(const char *name) { - hashitem_T *hi = hash_find(&func_hashtab, (char *)name); + hashitem_T *hi = hash_find(&func_hashtab, name); if (!HASHITEM_EMPTY(hi)) { return HI2UF(hi); } @@ -576,9 +594,9 @@ ufunc_T *find_func(const char_u *name) /// Copy the function name of "fp" to buffer "buf". /// "buf" must be able to hold the function name plus three bytes. /// Takes care of script-local function names. -static void cat_func_name(char_u *buf, ufunc_T *fp) +static void cat_func_name(char *buf, ufunc_T *fp) { - if (fp->uf_name[0] == K_SPECIAL) { + if ((uint8_t)fp->uf_name[0] == K_SPECIAL) { STRCPY(buf, "<SNR>"); STRCAT(buf, fp->uf_name + 3); } else { @@ -593,7 +611,7 @@ static void add_nr_var(dict_T *dp, dictitem_T *v, char *name, varnumber_T nr) STRCPY(v->di_key, name); #endif v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; - tv_dict_add(dp, v); + hash_add(&dp->dv_hashtab, (char *)v->di_key); v->di_tv.v_type = VAR_NUMBER; v->di_tv.v_lock = VAR_FIXED; v->di_tv.vval.v_number = nr; @@ -758,9 +776,9 @@ static void func_clear_items(ufunc_T *fp) ga_clear_strings(&(fp->uf_lines)); XFREE_CLEAR(fp->uf_name_exp); - if (fp->uf_cb_free != NULL) { - fp->uf_cb_free(fp->uf_cb_state); - fp->uf_cb_free = NULL; + if (fp->uf_flags & FC_LUAREF) { + api_free_luaref(fp->uf_luaref); + fp->uf_luaref = LUA_NOREF; } XFREE_CLEAR(fp->uf_tml_count); @@ -828,7 +846,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett int fixvar_idx = 0; // index in fixvar[] int ai; bool islambda = false; - char_u numbuf[NUMBUFLEN]; + char numbuf[NUMBUFLEN]; char *name; typval_T *tv_to_free[MAX_FUNC_ARGS]; int tv_to_free_len = 0; @@ -852,7 +870,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett saveRedobuff(&save_redo); did_save_redo = true; } - ++fp->uf_calls; + fp->uf_calls++; // check for CTRL-C hit line_breakcheck(); // prepare the funccall_T structure @@ -863,14 +881,14 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett fc->rettv = rettv; fc->level = ex_nesting_level; // Check if this function has a breakpoint. - fc->breakpoint = dbg_find_breakpoint(false, fp->uf_name, (linenr_T)0); + fc->breakpoint = dbg_find_breakpoint(false, (char *)fp->uf_name, (linenr_T)0); fc->dbg_tick = debug_tick; // Set up fields for closure. ga_init(&fc->fc_funcs, sizeof(ufunc_T *), 1); func_ptr_ref(fp); - if (STRNCMP(fp->uf_name, "<lambda>", 8) == 0) { + if (strncmp(fp->uf_name, "<lambda>", 8) == 0) { islambda = true; } @@ -889,11 +907,11 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett STRCPY(name, "self"); #endif v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; - tv_dict_add(&fc->l_vars, v); + hash_add(&fc->l_vars.dv_hashtab, (char *)v->di_key); v->di_tv.v_type = VAR_DICT; v->di_tv.v_lock = VAR_UNLOCKED; v->di_tv.vval.v_dict = selfdict; - ++selfdict->dv_refcount; + selfdict->dv_refcount++; } // Init a: variables, unless none found (in lambda). @@ -915,7 +933,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett STRCPY(name, "000"); #endif v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; - tv_dict_add(&fc->l_avars, v); + hash_add(&fc->l_avars.dv_hashtab, (char *)v->di_key); v->di_tv.v_type = VAR_LIST; v->di_tv.v_lock = VAR_FIXED; v->di_tv.vval.v_list = &fc->l_varlist; @@ -967,14 +985,14 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett break; } // "..." argument a:1, a:2, etc. - snprintf((char *)numbuf, sizeof(numbuf), "%d", ai + 1); - name = (char *)numbuf; + snprintf(numbuf, sizeof(numbuf), "%d", ai + 1); + name = numbuf; } - if (fixvar_idx < FIXVAR_CNT && STRLEN(name) <= VAR_SHORT_LEN) { + if (fixvar_idx < FIXVAR_CNT && strlen(name) <= VAR_SHORT_LEN) { v = (dictitem_T *)&fc->fixvar[fixvar_idx++]; v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; } else { - v = xmalloc(sizeof(dictitem_T) + STRLEN(name)); + v = xmalloc(sizeof(dictitem_T) + strlen(name)); v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX | DI_FLAGS_ALLOC; } STRCPY(v->di_key, name); @@ -993,16 +1011,16 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett // Named arguments can be accessed without the "a:" prefix in lambda // expressions. Add to the l: dict. tv_copy(&v->di_tv, &v->di_tv); - tv_dict_add(&fc->l_vars, v); + hash_add(&fc->l_vars.dv_hashtab, (char *)v->di_key); } else { - tv_dict_add(&fc->l_avars, v); + hash_add(&fc->l_avars.dv_hashtab, (char *)v->di_key); } if (ai >= 0 && ai < MAX_FUNC_ARGS) { listitem_T *li = &fc->l_listitems[ai]; *TV_LIST_ITEM_TV(li) = argvars[i]; - TV_LIST_ITEM_TV(li)->v_lock = VAR_FIXED; + TV_LIST_ITEM_TV(li)->v_lock = VAR_FIXED; tv_list_append(&fc->l_varlist, li); } } @@ -1058,7 +1076,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett bool func_not_yet_profiling_but_should = do_profiling_yes - && !fp->uf_profiling && has_profiling(false, fp->uf_name, NULL); + && !fp->uf_profiling && has_profiling(false, (char *)fp->uf_name, NULL); if (func_not_yet_profiling_but_should) { started_profiling = true; @@ -1071,7 +1089,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett || (fc->caller != NULL && fc->caller->func->uf_profiling)); if (func_or_func_caller_profiling) { - ++fp->uf_tm_count; + fp->uf_tm_count++; call_start = profile_start(); fp->uf_tm_children = profile_zero(); } @@ -1083,7 +1101,7 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett const sctx_T save_current_sctx = current_sctx; current_sctx = fp->uf_script_ctx; save_did_emsg = did_emsg; - did_emsg = FALSE; + did_emsg = false; if (default_arg_err && (fp->uf_flags & FC_ABORT)) { did_emsg = true; @@ -1208,9 +1226,37 @@ void call_user_func(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rett /// For the first we only count the name stored in func_hashtab as a reference, /// using function() does not count as a reference, because the function is /// looked up by name. -static bool func_name_refcount(char_u *name) +static bool func_name_refcount(const char *name) +{ + return isdigit((uint8_t)(*name)) || *name == '<'; +} + +/// Call a user function after checking the arguments. +static int call_user_func_check(ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rettv, + funcexe_T *funcexe, dict_T *selfdict) + FUNC_ATTR_NONNULL_ARG(1, 3, 4, 5) { - return isdigit(*name) || *name == '<'; + if (fp->uf_flags & FC_LUAREF) { + return typval_exec_lua_callable(fp->uf_luaref, argcount, argvars, rettv); + } + + if ((fp->uf_flags & FC_RANGE) && funcexe->fe_doesrange != NULL) { + *funcexe->fe_doesrange = true; + } + int error; + if (argcount < fp->uf_args.ga_len - fp->uf_def_args.ga_len) { + error = FCERR_TOOFEW; + } else if (!fp->uf_varargs && argcount > fp->uf_args.ga_len) { + error = FCERR_TOOMANY; + } else if ((fp->uf_flags & FC_DICT) && selfdict == NULL) { + error = FCERR_DICT; + } else { + // Call the user function. + call_user_func(fp, argcount, argvars, rettv, funcexe->fe_firstline, funcexe->fe_lastline, + (fp->uf_flags & FC_DICT) ? selfdict : NULL); + error = FCERR_NONE; + } + return error; } static funccal_entry_T *funccal_stack = NULL; @@ -1252,7 +1298,7 @@ void free_all_functions(void) ufunc_T *fp; uint64_t skipped = 0; uint64_t todo = 1; - uint64_t used; + int changed; // Clean up the current_funccal chain and the funccal stack. while (current_funccal != NULL) { @@ -1276,9 +1322,9 @@ void free_all_functions(void) if (func_name_refcount(fp->uf_name)) { skipped++; } else { - used = func_hashtab.ht_used; + changed = func_hashtab.ht_changed; func_clear(fp, true); - if (used != func_hashtab.ht_used) { + if (changed != func_hashtab.ht_changed) { skipped = 0; break; } @@ -1322,10 +1368,10 @@ void free_all_functions(void) /// @param[in] len length of "name", or -1 for NUL terminated. /// /// @return true if "name" looks like a builtin function name: starts with a -/// lower case letter and doesn't contain AUTOLOAD_CHAR. +/// lower case letter and doesn't contain AUTOLOAD_CHAR or ':'. static bool builtin_function(const char *name, int len) { - if (!ASCII_ISLOWER(name[0])) { + if (!ASCII_ISLOWER(name[0]) || name[1] == ':') { return false; } @@ -1336,7 +1382,7 @@ static bool builtin_function(const char *name, int len) return p == NULL; } -int func_call(char_u *name, typval_T *args, partial_T *partial, dict_T *selfdict, typval_T *rettv) +int func_call(char *name, typval_T *args, partial_T *partial, dict_T *selfdict, typval_T *rettv) { typval_T argv[MAX_FUNC_ARGS + 1]; int argc = 0; @@ -1353,12 +1399,12 @@ int func_call(char_u *name, typval_T *args, partial_T *partial, dict_T *selfdict }); funcexe_T funcexe = FUNCEXE_INIT; - funcexe.firstline = curwin->w_cursor.lnum; - funcexe.lastline = curwin->w_cursor.lnum; - funcexe.evaluate = true; - funcexe.partial = partial; - funcexe.selfdict = selfdict; - r = call_func((char *)name, -1, rettv, argc, argv, &funcexe); + funcexe.fe_firstline = curwin->w_cursor.lnum; + funcexe.fe_lastline = curwin->w_cursor.lnum; + funcexe.fe_evaluate = true; + funcexe.fe_partial = partial; + funcexe.fe_selfdict = selfdict; + r = call_func(name, -1, rettv, argc, argv, &funcexe); func_call_skip_call: // Free the arguments. @@ -1369,35 +1415,50 @@ func_call_skip_call: return r; } +/// call the 'callback' function and return the result as a number. +/// Returns -2 when calling the function fails. Uses argv[0] to argv[argc - 1] +/// for the function arguments. argv[argc] should have type VAR_UNKNOWN. +/// +/// @param argcount number of "argvars" +/// @param argvars vars for arguments, must have "argcount" PLUS ONE elements! +varnumber_T callback_call_retnr(Callback *callback, int argcount, typval_T *argvars) +{ + typval_T rettv; + if (!callback_call(callback, argcount, argvars, &rettv)) { + return -2; + } + + varnumber_T retval = tv_get_number_chk(&rettv, NULL); + tv_clear(&rettv); + return retval; +} + /// Give an error message for the result of a function. /// Nothing if "error" is FCERR_NONE. -static void user_func_error(int error, const char_u *name) +static void user_func_error(int error, const char *name) FUNC_ATTR_NONNULL_ALL { switch (error) { - case ERROR_UNKNOWN: + case FCERR_UNKNOWN: emsg_funcname(N_("E117: Unknown function: %s"), name); break; - case ERROR_NOTMETHOD: + case FCERR_NOTMETHOD: emsg_funcname(N_("E276: Cannot use function as a method: %s"), name); break; - case ERROR_DELETED: + case FCERR_DELETED: emsg_funcname(N_("E933: Function was deleted: %s"), name); break; - case ERROR_TOOMANY: + case FCERR_TOOMANY: emsg_funcname(_(e_toomanyarg), name); break; - case ERROR_TOOFEW: - emsg_funcname(N_("E119: Not enough arguments for function: %s"), - name); + case FCERR_TOOFEW: + emsg_funcname(N_("E119: Not enough arguments for function: %s"), name); break; - case ERROR_SCRIPT: - emsg_funcname(N_("E120: Using <SID> not in a script context: %s"), - name); + case FCERR_SCRIPT: + emsg_funcname(N_("E120: Using <SID> not in a script context: %s"), name); break; - case ERROR_DICT: - emsg_funcname(N_("E725: Calling dict function without Dictionary: %s"), - name); + case FCERR_DICT: + emsg_funcname(N_("E725: Calling dict function without Dictionary: %s"), name); break; } } @@ -1435,27 +1496,27 @@ int call_func(const char *funcname, int len, typval_T *rettv, int argcount_in, t FUNC_ATTR_NONNULL_ARG(1, 3, 5, 6) { int ret = FAIL; - int error = ERROR_NONE; + int error = FCERR_NONE; ufunc_T *fp = NULL; - char_u fname_buf[FLEN_FIXED + 1]; - char_u *tofree = NULL; - char_u *fname = NULL; - char_u *name = NULL; + char fname_buf[FLEN_FIXED + 1]; + char *tofree = NULL; + char *fname = NULL; + char *name = NULL; int argcount = argcount_in; typval_T *argvars = argvars_in; - dict_T *selfdict = funcexe->selfdict; + dict_T *selfdict = funcexe->fe_selfdict; typval_T argv[MAX_FUNC_ARGS + 1]; // used when "partial" or - // "funcexe->basetv" is not NULL + // "funcexe->fe_basetv" is not NULL int argv_clear = 0; int argv_base = 0; - partial_T *partial = funcexe->partial; + partial_T *partial = funcexe->fe_partial; // Initialize rettv so that it is safe for caller to invoke clear_tv(rettv) // even when call_func() returns FAIL. rettv->v_type = VAR_UNKNOWN; if (len <= 0) { - len = (int)STRLEN(funcname); + len = (int)strlen(funcname); } if (partial != NULL) { fp = partial->pt_func; @@ -1463,12 +1524,12 @@ int call_func(const char *funcname, int len, typval_T *rettv, int argcount_in, t if (fp == NULL) { // Make a copy of the name, if it comes from a funcref variable it could // be changed or deleted in the called function. - name = vim_strnsave((char_u *)funcname, (size_t)len); + name = xstrnsave(funcname, (size_t)len); fname = fname_trans_sid(name, fname_buf, &tofree, &error); } - if (funcexe->doesrange != NULL) { - *funcexe->doesrange = false; + if (funcexe->fe_doesrange != NULL) { + *funcexe->fe_doesrange = false; } if (partial != NULL) { @@ -1478,10 +1539,10 @@ int call_func(const char *funcname, int len, typval_T *rettv, int argcount_in, t if (partial->pt_dict != NULL && (selfdict == NULL || !partial->pt_auto)) { selfdict = partial->pt_dict; } - if (error == ERROR_NONE && partial->pt_argc > 0) { + if (error == FCERR_NONE && partial->pt_argc > 0) { for (argv_clear = 0; argv_clear < partial->pt_argc; argv_clear++) { if (argv_clear + argcount_in >= MAX_FUNC_ARGS) { - error = ERROR_TOOMANY; + error = FCERR_TOOMANY; goto theend; } tv_copy(&partial->pt_argv[argv_clear], &argv[argv_clear]); @@ -1494,8 +1555,8 @@ int call_func(const char *funcname, int len, typval_T *rettv, int argcount_in, t } } - if (error == ERROR_NONE && funcexe->evaluate) { - char_u *rfname = fname; + if (error == FCERR_NONE && funcexe->fe_evaluate) { + char *rfname = fname; // Ignore "g:" before a function name. if (fp == NULL && fname[0] == 'g' && fname[1] == ':') { @@ -1504,12 +1565,12 @@ int call_func(const char *funcname, int len, typval_T *rettv, int argcount_in, t rettv->v_type = VAR_NUMBER; // default rettv is number zero rettv->vval.v_number = 0; - error = ERROR_UNKNOWN; + error = FCERR_UNKNOWN; if (is_luafunc(partial)) { if (len > 0) { - error = ERROR_NONE; - argv_add_base(funcexe->basetv, &argvars, &argcount, argv, &argv_base); + error = FCERR_NONE; + argv_add_base(funcexe->fe_basetv, &argvars, &argcount, argv, &argv_base); nlua_typval_call(funcname, (size_t)len, argvars, argcount, rettv); } else { // v:lua was called directly; show its name in the emsg @@ -1524,71 +1585,50 @@ int call_func(const char *funcname, int len, typval_T *rettv, int argcount_in, t // Trigger FuncUndefined event, may load the function. if (fp == NULL - && apply_autocmds(EVENT_FUNCUNDEFINED, (char *)rfname, (char *)rfname, true, NULL) + && apply_autocmds(EVENT_FUNCUNDEFINED, rfname, rfname, true, NULL) && !aborting()) { // executed an autocommand, search for the function again fp = find_func(rfname); } // Try loading a package. - if (fp == NULL && script_autoload((const char *)rfname, STRLEN(rfname), + if (fp == NULL && script_autoload((const char *)rfname, strlen(rfname), true) && !aborting()) { // Loaded a package, search for the function again. fp = find_func(rfname); } if (fp != NULL && (fp->uf_flags & FC_DELETED)) { - error = ERROR_DELETED; - } else if (fp != NULL && (fp->uf_flags & FC_CFUNC)) { - cfunc_T cb = fp->uf_cb; - error = (*cb)(argcount, argvars, rettv, fp->uf_cb_state); + error = FCERR_DELETED; } else if (fp != NULL) { - if (funcexe->argv_func != NULL) { + if (funcexe->fe_argv_func != NULL) { // postponed filling in the arguments, do it now - argcount = funcexe->argv_func(argcount, argvars, argv_clear, - fp->uf_args.ga_len); + argcount = funcexe->fe_argv_func(argcount, argvars, argv_clear, fp); } - argv_add_base(funcexe->basetv, &argvars, &argcount, argv, &argv_base); + argv_add_base(funcexe->fe_basetv, &argvars, &argcount, argv, &argv_base); - if (fp->uf_flags & FC_RANGE && funcexe->doesrange != NULL) { - *funcexe->doesrange = true; - } - if (argcount < fp->uf_args.ga_len - fp->uf_def_args.ga_len) { - error = ERROR_TOOFEW; - } else if (!fp->uf_varargs && argcount > fp->uf_args.ga_len) { - error = ERROR_TOOMANY; - } else if ((fp->uf_flags & FC_DICT) && selfdict == NULL) { - error = ERROR_DICT; - } else { - // Call the user function. - call_user_func(fp, argcount, argvars, rettv, funcexe->firstline, - funcexe->lastline, - (fp->uf_flags & FC_DICT) ? selfdict : NULL); - error = ERROR_NONE; - } + error = call_user_func_check(fp, argcount, argvars, rettv, funcexe, selfdict); } - } else if (funcexe->basetv != NULL) { + } else if (funcexe->fe_basetv != NULL) { // expr->method(): Find the method name in the table, call its // implementation with the base as one of the arguments. error = call_internal_method(fname, argcount, argvars, rettv, - funcexe->basetv); + funcexe->fe_basetv); } else { // Find the function name in the table, call its implementation. error = call_internal_func(fname, argcount, argvars, rettv); } - /* - * The function call (or "FuncUndefined" autocommand sequence) might - * have been aborted by an error, an interrupt, or an explicitly thrown - * exception that has not been caught so far. This situation can be - * tested for by calling aborting(). For an error in an internal - * function or for the "E132" error in call_user_func(), however, the - * throw point at which the "force_abort" flag (temporarily reset by - * emsg()) is normally updated has not been reached yet. We need to - * update that flag first to make aborting() reliable. - */ + // The function call (or "FuncUndefined" autocommand sequence) might + // have been aborted by an error, an interrupt, or an explicitly thrown + // exception that has not been caught so far. This situation can be + // tested for by calling aborting(). For an error in an internal + // function or for the "E132" error in call_user_func(), however, the + // throw point at which the "force_abort" flag (temporarily reset by + // emsg()) is normally updated has not been reached yet. We need to + // update that flag first to make aborting() reliable. update_force_abort(); } - if (error == ERROR_NONE) { + if (error == FCERR_NONE) { ret = OK; } |