diff options
Diffstat (limited to 'src/vim9compile.c')
| -rw-r--r-- | src/vim9compile.c | 892 |
1 files changed, 0 insertions, 892 deletions
diff --git a/src/vim9compile.c b/src/vim9compile.c index a47d3d9a05..e23dd7a31b 100644 --- a/src/vim9compile.c +++ b/src/vim9compile.c @@ -151,7 +151,6 @@ static char e_namespace[] = N_("E1075: Namespace not supported: %s"); static char e_unknown_var[] = N_("E1089: unknown variable: %s"); static void delete_def_function_contents(dfunc_T *dfunc); -static void arg_type_mismatch(type_T *expected, type_T *actual, int argidx); /* * Lookup variable "name" in the local scope and return it. @@ -310,374 +309,6 @@ check_defined(char_u *p, size_t len, cctx_T *cctx) return OK; } -/* - * Allocate memory for a type_T and add the pointer to type_gap, so that it can - * be freed later. - */ - static type_T * -alloc_type(garray_T *type_gap) -{ - type_T *type; - - if (ga_grow(type_gap, 1) == FAIL) - return NULL; - type = ALLOC_CLEAR_ONE(type_T); - if (type != NULL) - { - ((type_T **)type_gap->ga_data)[type_gap->ga_len] = type; - ++type_gap->ga_len; - } - return type; -} - - void -clear_type_list(garray_T *gap) -{ - while (gap->ga_len > 0) - vim_free(((type_T **)gap->ga_data)[--gap->ga_len]); - ga_clear(gap); -} - - static type_T * -get_list_type(type_T *member_type, garray_T *type_gap) -{ - type_T *type; - - // recognize commonly used types - if (member_type->tt_type == VAR_ANY) - return &t_list_any; - if (member_type->tt_type == VAR_VOID - || member_type->tt_type == VAR_UNKNOWN) - return &t_list_empty; - if (member_type->tt_type == VAR_BOOL) - return &t_list_bool; - if (member_type->tt_type == VAR_NUMBER) - return &t_list_number; - if (member_type->tt_type == VAR_STRING) - return &t_list_string; - - // Not a common type, create a new entry. - type = alloc_type(type_gap); - if (type == NULL) - return &t_any; - type->tt_type = VAR_LIST; - type->tt_member = member_type; - type->tt_argcount = 0; - type->tt_args = NULL; - return type; -} - - static type_T * -get_dict_type(type_T *member_type, garray_T *type_gap) -{ - type_T *type; - - // recognize commonly used types - if (member_type->tt_type == VAR_ANY) - return &t_dict_any; - if (member_type->tt_type == VAR_VOID - || member_type->tt_type == VAR_UNKNOWN) - return &t_dict_empty; - if (member_type->tt_type == VAR_BOOL) - return &t_dict_bool; - if (member_type->tt_type == VAR_NUMBER) - return &t_dict_number; - if (member_type->tt_type == VAR_STRING) - return &t_dict_string; - - // Not a common type, create a new entry. - type = alloc_type(type_gap); - if (type == NULL) - return &t_any; - type->tt_type = VAR_DICT; - type->tt_member = member_type; - type->tt_argcount = 0; - type->tt_args = NULL; - return type; -} - -/* - * Allocate a new type for a function. - */ - static type_T * -alloc_func_type(type_T *ret_type, int argcount, garray_T *type_gap) -{ - type_T *type = alloc_type(type_gap); - - if (type == NULL) - return &t_any; - type->tt_type = VAR_FUNC; - type->tt_member = ret_type; - type->tt_argcount = argcount; - type->tt_args = NULL; - return type; -} - -/* - * Get a function type, based on the return type "ret_type". - * If "argcount" is -1 or 0 a predefined type can be used. - * If "argcount" > 0 always create a new type, so that arguments can be added. - */ - static type_T * -get_func_type(type_T *ret_type, int argcount, garray_T *type_gap) -{ - // recognize commonly used types - if (argcount <= 0) - { - if (ret_type == &t_unknown) - { - // (argcount == 0) is not possible - return &t_func_unknown; - } - if (ret_type == &t_void) - { - if (argcount == 0) - return &t_func_0_void; - else - return &t_func_void; - } - if (ret_type == &t_any) - { - if (argcount == 0) - return &t_func_0_any; - else - return &t_func_any; - } - if (ret_type == &t_number) - { - if (argcount == 0) - return &t_func_0_number; - else - return &t_func_number; - } - if (ret_type == &t_string) - { - if (argcount == 0) - return &t_func_0_string; - else - return &t_func_string; - } - } - - return alloc_func_type(ret_type, argcount, type_gap); -} - -/* - * For a function type, reserve space for "argcount" argument types (including - * vararg). - */ - static int -func_type_add_arg_types( - type_T *functype, - int argcount, - garray_T *type_gap) -{ - // To make it easy to free the space needed for the argument types, add the - // pointer to type_gap. - if (ga_grow(type_gap, 1) == FAIL) - return FAIL; - functype->tt_args = ALLOC_CLEAR_MULT(type_T *, argcount); - if (functype->tt_args == NULL) - return FAIL; - ((type_T **)type_gap->ga_data)[type_gap->ga_len] = - (void *)functype->tt_args; - ++type_gap->ga_len; - return OK; -} - -/* - * Get a type_T for a typval_T. - * "type_list" is used to temporarily create types in. - */ - type_T * -typval2type(typval_T *tv, garray_T *type_gap) -{ - type_T *actual; - type_T *member_type; - - if (tv->v_type == VAR_NUMBER) - return &t_number; - if (tv->v_type == VAR_BOOL) - return &t_bool; // not used - if (tv->v_type == VAR_STRING) - return &t_string; - - if (tv->v_type == VAR_LIST) - { - if (tv->vval.v_list == NULL || tv->vval.v_list->lv_first == NULL) - return &t_list_empty; - - // Use the type of the first member, it is the most specific. - member_type = typval2type(&tv->vval.v_list->lv_first->li_tv, type_gap); - return get_list_type(member_type, type_gap); - } - - if (tv->v_type == VAR_DICT) - { - dict_iterator_T iter; - typval_T *value; - - if (tv->vval.v_dict == NULL - || tv->vval.v_dict->dv_hashtab.ht_used == 0) - return &t_dict_empty; - - // Use the type of the first value, it is the most specific. - dict_iterate_start(tv, &iter); - dict_iterate_next(&iter, &value); - member_type = typval2type(value, type_gap); - return get_dict_type(member_type, type_gap); - } - - if (tv->v_type == VAR_FUNC || tv->v_type == VAR_PARTIAL) - { - char_u *name = NULL; - ufunc_T *ufunc = NULL; - - if (tv->v_type == VAR_PARTIAL) - { - if (tv->vval.v_partial->pt_func != NULL) - ufunc = tv->vval.v_partial->pt_func; - else - name = tv->vval.v_partial->pt_name; - } - else - name = tv->vval.v_string; - if (name != NULL) - // TODO: how about a builtin function? - ufunc = find_func(name, FALSE, NULL); - if (ufunc != NULL) - { - // May need to get the argument types from default values by - // compiling the function. - if (ufunc->uf_def_status == UF_TO_BE_COMPILED - && compile_def_function(ufunc, TRUE, NULL) == FAIL) - return NULL; - if (ufunc->uf_func_type != NULL) - return ufunc->uf_func_type; - } - } - - actual = alloc_type(type_gap); - if (actual == NULL) - return NULL; - actual->tt_type = tv->v_type; - actual->tt_member = &t_any; - - return actual; -} - -/* - * Get a type_T for a typval_T, used for v: variables. - * "type_list" is used to temporarily create types in. - */ - type_T * -typval2type_vimvar(typval_T *tv, garray_T *type_gap) -{ - if (tv->v_type == VAR_LIST) // e.g. for v:oldfiles - return &t_list_string; - if (tv->v_type == VAR_DICT) // e.g. for v:completed_item - return &t_dict_any; - return typval2type(tv, type_gap); -} - - -/* - * Return FAIL if "expected" and "actual" don't match. - */ - int -check_typval_type(type_T *expected, typval_T *actual_tv) -{ - garray_T type_list; - type_T *actual_type; - int res = FAIL; - - ga_init2(&type_list, sizeof(type_T *), 10); - actual_type = typval2type(actual_tv, &type_list); - if (actual_type != NULL) - res = check_type(expected, actual_type, TRUE); - clear_type_list(&type_list); - return res; -} - - static void -type_mismatch(type_T *expected, type_T *actual) -{ - char *tofree1, *tofree2; - - semsg(_("E1013: type mismatch, expected %s but got %s"), - type_name(expected, &tofree1), type_name(actual, &tofree2)); - vim_free(tofree1); - vim_free(tofree2); -} - - static void -arg_type_mismatch(type_T *expected, type_T *actual, int argidx) -{ - char *tofree1, *tofree2; - - semsg(_("E1013: argument %d: type mismatch, expected %s but got %s"), - argidx, - type_name(expected, &tofree1), type_name(actual, &tofree2)); - vim_free(tofree1); - vim_free(tofree2); -} - -/* - * Check if the expected and actual types match. - * Does not allow for assigning "any" to a specific type. - */ - int -check_type(type_T *expected, type_T *actual, int give_msg) -{ - int ret = OK; - - // When expected is "unknown" we accept any actual type. - // When expected is "any" we accept any actual type except "void". - if (expected->tt_type != VAR_UNKNOWN - && !(expected->tt_type == VAR_ANY && actual->tt_type != VAR_VOID)) - - { - if (expected->tt_type != actual->tt_type) - { - if (give_msg) - type_mismatch(expected, actual); - return FAIL; - } - if (expected->tt_type == VAR_DICT || expected->tt_type == VAR_LIST) - { - // "unknown" is used for an empty list or dict - if (actual->tt_member != &t_unknown) - ret = check_type(expected->tt_member, actual->tt_member, FALSE); - } - else if (expected->tt_type == VAR_FUNC) - { - if (expected->tt_member != &t_unknown) - ret = check_type(expected->tt_member, actual->tt_member, FALSE); - if (ret == OK && expected->tt_argcount != -1 - && (actual->tt_argcount < expected->tt_min_argcount - || actual->tt_argcount > expected->tt_argcount)) - ret = FAIL; - if (expected->tt_args != NULL && actual->tt_args != NULL) - { - int i; - - for (i = 0; i < expected->tt_argcount; ++i) - // Allow for using "any" argument type, lambda's have them. - if (actual->tt_args[i] != &t_any && check_type( - expected->tt_args[i], actual->tt_args[i], FALSE) - == FAIL) - { - ret = FAIL; - break; - } - } - } - if (ret == FAIL && give_msg) - type_mismatch(expected, actual); - } - return ret; -} - ///////////////////////////////////////////////////////////////////// // Following generate_ functions expect the caller to call ga_grow(). @@ -1982,529 +1613,6 @@ free_locals(cctx_T *cctx) } /* - * Skip over a type definition and return a pointer to just after it. - * When "optional" is TRUE then a leading "?" is accepted. - */ - char_u * -skip_type(char_u *start, int optional) -{ - char_u *p = start; - - if (optional && *p == '?') - ++p; - while (ASCII_ISALNUM(*p) || *p == '_') - ++p; - - // Skip over "<type>"; this is permissive about white space. - if (*skipwhite(p) == '<') - { - p = skipwhite(p); - p = skip_type(skipwhite(p + 1), FALSE); - p = skipwhite(p); - if (*p == '>') - ++p; - } - else if ((*p == '(' || (*p == ':' && VIM_ISWHITE(p[1]))) - && STRNCMP("func", start, 4) == 0) - { - if (*p == '(') - { - // handle func(args): type - ++p; - while (*p != ')' && *p != NUL) - { - char_u *sp = p; - - if (STRNCMP(p, "...", 3) == 0) - p += 3; - p = skip_type(p, TRUE); - if (p == sp) - return p; // syntax error - if (*p == ',') - p = skipwhite(p + 1); - } - if (*p == ')') - { - if (p[1] == ':') - p = skip_type(skipwhite(p + 2), FALSE); - else - ++p; - } - } - else - { - // handle func: return_type - p = skip_type(skipwhite(p + 1), FALSE); - } - } - - return p; -} - -/* - * Parse the member type: "<type>" and return "type" with the member set. - * Use "type_gap" if a new type needs to be added. - * Returns NULL in case of failure. - */ - static type_T * -parse_type_member(char_u **arg, type_T *type, garray_T *type_gap) -{ - type_T *member_type; - int prev_called_emsg = called_emsg; - - if (**arg != '<') - { - if (*skipwhite(*arg) == '<') - semsg(_(e_no_white_before), "<"); - else - emsg(_("E1008: Missing <type>")); - return type; - } - *arg = skipwhite(*arg + 1); - - member_type = parse_type(arg, type_gap); - - *arg = skipwhite(*arg); - if (**arg != '>' && called_emsg == prev_called_emsg) - { - emsg(_("E1009: Missing > after type")); - return type; - } - ++*arg; - - if (type->tt_type == VAR_LIST) - return get_list_type(member_type, type_gap); - return get_dict_type(member_type, type_gap); -} - -/* - * Parse a type at "arg" and advance over it. - * Return &t_any for failure. - */ - type_T * -parse_type(char_u **arg, garray_T *type_gap) -{ - char_u *p = *arg; - size_t len; - - // skip over the first word - while (ASCII_ISALNUM(*p) || *p == '_') - ++p; - len = p - *arg; - - switch (**arg) - { - case 'a': - if (len == 3 && STRNCMP(*arg, "any", len) == 0) - { - *arg += len; - return &t_any; - } - break; - case 'b': - if (len == 4 && STRNCMP(*arg, "bool", len) == 0) - { - *arg += len; - return &t_bool; - } - if (len == 4 && STRNCMP(*arg, "blob", len) == 0) - { - *arg += len; - return &t_blob; - } - break; - case 'c': - if (len == 7 && STRNCMP(*arg, "channel", len) == 0) - { - *arg += len; - return &t_channel; - } - break; - case 'd': - if (len == 4 && STRNCMP(*arg, "dict", len) == 0) - { - *arg += len; - return parse_type_member(arg, &t_dict_any, type_gap); - } - break; - case 'f': - if (len == 5 && STRNCMP(*arg, "float", len) == 0) - { -#ifdef FEAT_FLOAT - *arg += len; - return &t_float; -#else - emsg(_("E1076: This Vim is not compiled with float support")); - return &t_any; -#endif - } - if (len == 4 && STRNCMP(*arg, "func", len) == 0) - { - type_T *type; - type_T *ret_type = &t_unknown; - int argcount = -1; - int flags = 0; - int first_optional = -1; - type_T *arg_type[MAX_FUNC_ARGS + 1]; - - // func({type}, ...{type}): {type} - *arg += len; - if (**arg == '(') - { - // "func" may or may not return a value, "func()" does - // not return a value. - ret_type = &t_void; - - p = ++*arg; - argcount = 0; - while (*p != NUL && *p != ')') - { - if (*p == '?') - { - if (first_optional == -1) - first_optional = argcount; - ++p; - } - else if (STRNCMP(p, "...", 3) == 0) - { - flags |= TTFLAG_VARARGS; - p += 3; - } - else if (first_optional != -1) - { - emsg(_("E1007: mandatory argument after optional argument")); - return &t_any; - } - - arg_type[argcount++] = parse_type(&p, type_gap); - - // Nothing comes after "...{type}". - if (flags & TTFLAG_VARARGS) - break; - - if (*p != ',' && *skipwhite(p) == ',') - { - semsg(_(e_no_white_before), ","); - return &t_any; - } - if (*p == ',') - { - ++p; - if (!VIM_ISWHITE(*p)) - { - semsg(_(e_white_after), ","); - return &t_any; - } - } - p = skipwhite(p); - if (argcount == MAX_FUNC_ARGS) - { - emsg(_("E740: Too many argument types")); - return &t_any; - } - } - - p = skipwhite(p); - if (*p != ')') - { - emsg(_(e_missing_close)); - return &t_any; - } - *arg = p + 1; - } - if (**arg == ':') - { - // parse return type - ++*arg; - if (!VIM_ISWHITE(**arg)) - semsg(_(e_white_after), ":"); - *arg = skipwhite(*arg); - ret_type = parse_type(arg, type_gap); - } - if (flags == 0 && first_optional == -1 && argcount <= 0) - type = get_func_type(ret_type, argcount, type_gap); - else - { - type = alloc_func_type(ret_type, argcount, type_gap); - type->tt_flags = flags; - if (argcount > 0) - { - type->tt_argcount = argcount; - type->tt_min_argcount = first_optional == -1 - ? argcount : first_optional; - if (func_type_add_arg_types(type, argcount, - type_gap) == FAIL) - return &t_any; - mch_memmove(type->tt_args, arg_type, - sizeof(type_T *) * argcount); - } - } - return type; - } - break; - case 'j': - if (len == 3 && STRNCMP(*arg, "job", len) == 0) - { - *arg += len; - return &t_job; - } - break; - case 'l': - if (len == 4 && STRNCMP(*arg, "list", len) == 0) - { - *arg += len; - return parse_type_member(arg, &t_list_any, type_gap); - } - break; - case 'n': - if (len == 6 && STRNCMP(*arg, "number", len) == 0) - { - *arg += len; - return &t_number; - } - break; - case 's': - if (len == 6 && STRNCMP(*arg, "string", len) == 0) - { - *arg += len; - return &t_string; - } - break; - case 'v': - if (len == 4 && STRNCMP(*arg, "void", len) == 0) - { - *arg += len; - return &t_void; - } - break; - } - - semsg(_("E1010: Type not recognized: %s"), *arg); - return &t_any; -} - -/* - * Check if "type1" and "type2" are exactly the same. - */ - static int -equal_type(type_T *type1, type_T *type2) -{ - int i; - - if (type1->tt_type != type2->tt_type) - return FALSE; - switch (type1->tt_type) - { - case VAR_UNKNOWN: - case VAR_ANY: - case VAR_VOID: - case VAR_SPECIAL: - case VAR_BOOL: - case VAR_NUMBER: - case VAR_FLOAT: - case VAR_STRING: - case VAR_BLOB: - case VAR_JOB: - case VAR_CHANNEL: - break; // not composite is always OK - case VAR_LIST: - case VAR_DICT: - return equal_type(type1->tt_member, type2->tt_member); - case VAR_FUNC: - case VAR_PARTIAL: - if (!equal_type(type1->tt_member, type2->tt_member) - || type1->tt_argcount != type2->tt_argcount) - return FALSE; - if (type1->tt_argcount < 0 - || type1->tt_args == NULL || type2->tt_args == NULL) - return TRUE; - for (i = 0; i < type1->tt_argcount; ++i) - if (!equal_type(type1->tt_args[i], type2->tt_args[i])) - return FALSE; - return TRUE; - } - return TRUE; -} - -/* - * Find the common type of "type1" and "type2" and put it in "dest". - * "type2" and "dest" may be the same. - */ - static void -common_type(type_T *type1, type_T *type2, type_T **dest, garray_T *type_gap) -{ - if (equal_type(type1, type2)) - { - *dest = type1; - return; - } - - if (type1->tt_type == type2->tt_type) - { - if (type1->tt_type == VAR_LIST || type2->tt_type == VAR_DICT) - { - type_T *common; - - common_type(type1->tt_member, type2->tt_member, &common, type_gap); - if (type1->tt_type == VAR_LIST) - *dest = get_list_type(common, type_gap); - else - *dest = get_dict_type(common, type_gap); - return; - } - if (type1->tt_type == VAR_FUNC) - { - type_T *common; - - common_type(type1->tt_member, type2->tt_member, &common, type_gap); - if (type1->tt_argcount == type2->tt_argcount - && type1->tt_argcount >= 0) - { - int argcount = type1->tt_argcount; - int i; - - *dest = alloc_func_type(common, argcount, type_gap); - if (type1->tt_args != NULL && type2->tt_args != NULL) - { - if (func_type_add_arg_types(*dest, argcount, - type_gap) == OK) - for (i = 0; i < argcount; ++i) - common_type(type1->tt_args[i], type2->tt_args[i], - &(*dest)->tt_args[i], type_gap); - } - } - else - *dest = alloc_func_type(common, -1, type_gap); - return; - } - } - - *dest = &t_any; -} - - char * -vartype_name(vartype_T type) -{ - switch (type) - { - case VAR_UNKNOWN: break; - case VAR_ANY: return "any"; - case VAR_VOID: return "void"; - case VAR_SPECIAL: return "special"; - case VAR_BOOL: return "bool"; - case VAR_NUMBER: return "number"; - case VAR_FLOAT: return "float"; - case VAR_STRING: return "string"; - case VAR_BLOB: return "blob"; - case VAR_JOB: return "job"; - case VAR_CHANNEL: return "channel"; - case VAR_LIST: return "list"; - case VAR_DICT: return "dict"; - - case VAR_FUNC: - case VAR_PARTIAL: return "func"; - } - return "unknown"; -} - -/* - * Return the name of a type. - * The result may be in allocated memory, in which case "tofree" is set. - */ - char * -type_name(type_T *type, char **tofree) -{ - char *name = vartype_name(type->tt_type); - - *tofree = NULL; - if (type->tt_type == VAR_LIST || type->tt_type == VAR_DICT) - { - char *member_free; - char *member_name = type_name(type->tt_member, &member_free); - size_t len; - - len = STRLEN(name) + STRLEN(member_name) + 3; - *tofree = alloc(len); - if (*tofree != NULL) - { - vim_snprintf(*tofree, len, "%s<%s>", name, member_name); - vim_free(member_free); - return *tofree; - } - } - if (type->tt_type == VAR_FUNC) - { - garray_T ga; - int i; - int varargs = (type->tt_flags & TTFLAG_VARARGS) ? 1 : 0; - - ga_init2(&ga, 1, 100); - if (ga_grow(&ga, 20) == FAIL) - return "[unknown]"; - *tofree = ga.ga_data; - STRCPY(ga.ga_data, "func("); - ga.ga_len += 5; - - for (i = 0; i < type->tt_argcount; ++i) - { - char *arg_free; - char *arg_type; - int len; - - if (type->tt_args == NULL) - arg_type = "[unknown]"; - else - arg_type = type_name(type->tt_args[i], &arg_free); - if (i > 0) - { - STRCPY((char *)ga.ga_data + ga.ga_len, ", "); - ga.ga_len += 2; - } - len = (int)STRLEN(arg_type); - if (ga_grow(&ga, len + 8) == FAIL) - { - vim_free(arg_free); - return "[unknown]"; - } - *tofree = ga.ga_data; - if (varargs && i == type->tt_argcount - 1) - { - STRCPY((char *)ga.ga_data + ga.ga_len, "..."); - ga.ga_len += 3; - } - else if (i >= type->tt_min_argcount) - *((char *)ga.ga_data + ga.ga_len++) = '?'; - STRCPY((char *)ga.ga_data + ga.ga_len, arg_type); - ga.ga_len += len; - vim_free(arg_free); - } - - if (type->tt_member == &t_void) - STRCPY((char *)ga.ga_data + ga.ga_len, ")"); - else - { - char *ret_free; - char *ret_name = type_name(type->tt_member, &ret_free); - int len; - - len = (int)STRLEN(ret_name) + 4; - if (ga_grow(&ga, len) == FAIL) - { - vim_free(ret_free); - return "[unknown]"; - } - *tofree = ga.ga_data; - STRCPY((char *)ga.ga_data + ga.ga_len, "): "); - STRCPY((char *)ga.ga_data + ga.ga_len + 3, ret_name); - vim_free(ret_free); - } - return ga.ga_data; - } - - return name; -} - -/* * Find "name" in script-local items of script "sid". * Returns the index in "sn_var_vals" if found. * If found but not in "sn_var_vals" returns -1. |