diff options
Diffstat (limited to 'mrbgems/mruby-struct/src/struct.c')
| -rw-r--r-- | mrbgems/mruby-struct/src/struct.c | 100 |
1 files changed, 43 insertions, 57 deletions
diff --git a/mrbgems/mruby-struct/src/struct.c b/mrbgems/mruby-struct/src/struct.c index c0ce71219..2d82c2466 100644 --- a/mrbgems/mruby-struct/src/struct.c +++ b/mrbgems/mruby-struct/src/struct.c @@ -66,8 +66,8 @@ struct_members(mrb_state *mrb, mrb_value s) } else { mrb_raisef(mrb, E_TYPE_ERROR, - "struct size differs (%S required %S given)", - mrb_fixnum_value(RARRAY_LEN(members)), mrb_fixnum_value(RSTRUCT_LEN(s))); + "struct size differs (%i required %i given)", + RARRAY_LEN(members), RSTRUCT_LEN(s)); } } return members; @@ -87,10 +87,7 @@ mrb_struct_s_members_m(mrb_state *mrb, mrb_value klass) static void mrb_struct_modify(mrb_state *mrb, mrb_value strct) { - if (MRB_FROZEN_P(mrb_basic_ptr(strct))) { - mrb_raise(mrb, E_FROZEN_ERROR, "can't modify frozen struct"); - } - + mrb_check_frozen(mrb, mrb_basic_ptr(strct)); mrb_write_barrier(mrb, mrb_basic_ptr(strct)); } @@ -126,19 +123,29 @@ mrb_struct_ref(mrb_state *mrb, mrb_value obj) static mrb_sym mrb_id_attrset(mrb_state *mrb, mrb_sym id) { +#define ONSTACK_ALLOC_MAX 32 +#define ONSTACK_STRLEN_MAX (ONSTACK_ALLOC_MAX - 1) /* '=' character */ + const char *name; char *buf; mrb_int len; mrb_sym mid; + char onstack[ONSTACK_ALLOC_MAX]; - name = mrb_sym2name_len(mrb, id, &len); - buf = (char *)mrb_malloc(mrb, (size_t)len+2); + name = mrb_sym_name_len(mrb, id, &len); + if (len > ONSTACK_STRLEN_MAX) { + buf = (char *)mrb_malloc(mrb, (size_t)len+1); + } + else { + buf = onstack; + } memcpy(buf, name, (size_t)len); buf[len] = '='; - buf[len+1] = '\0'; mid = mrb_intern(mrb, buf, len+1); - mrb_free(mrb, buf); + if (buf != onstack) { + mrb_free(mrb, buf); + } return mid; } @@ -161,20 +168,6 @@ mrb_struct_set_m(mrb_state *mrb, mrb_value obj) return val; } -static mrb_bool -is_local_id(mrb_state *mrb, const char *name) -{ - if (!name) return FALSE; - return !ISUPPER(name[0]); -} - -static mrb_bool -is_const_id(mrb_state *mrb, const char *name) -{ - if (!name) return FALSE; - return ISUPPER(name[0]); -} - static void make_struct_define_accessors(mrb_state *mrb, mrb_value members, struct RClass *c) { @@ -185,19 +178,15 @@ make_struct_define_accessors(mrb_state *mrb, mrb_value members, struct RClass *c for (i=0; i<len; i++) { mrb_sym id = mrb_symbol(ptr_members[i]); - const char *name = mrb_sym2name_len(mrb, id, NULL); - - if (is_local_id(mrb, name) || is_const_id(mrb, name)) { - mrb_method_t m; - mrb_value at = mrb_fixnum_value(i); - struct RProc *aref = mrb_proc_new_cfunc_with_env(mrb, mrb_struct_ref, 1, &at); - struct RProc *aset = mrb_proc_new_cfunc_with_env(mrb, mrb_struct_set_m, 1, &at); - MRB_METHOD_FROM_PROC(m, aref); - mrb_define_method_raw(mrb, c, id, m); - MRB_METHOD_FROM_PROC(m, aset); - mrb_define_method_raw(mrb, c, mrb_id_attrset(mrb, id), m); - mrb_gc_arena_restore(mrb, ai); - } + mrb_method_t m; + mrb_value at = mrb_fixnum_value(i); + struct RProc *aref = mrb_proc_new_cfunc_with_env(mrb, mrb_struct_ref, 1, &at); + struct RProc *aset = mrb_proc_new_cfunc_with_env(mrb, mrb_struct_set_m, 1, &at); + MRB_METHOD_FROM_PROC(m, aref); + mrb_define_method_raw(mrb, c, id, m); + MRB_METHOD_FROM_PROC(m, aset); + mrb_define_method_raw(mrb, c, mrb_id_attrset(mrb, id), m); + mrb_gc_arena_restore(mrb, ai); } } @@ -215,11 +204,11 @@ make_struct(mrb_state *mrb, mrb_value name, mrb_value members, struct RClass *kl /* old style: should we warn? */ mrb_to_str(mrb, name); id = mrb_obj_to_sym(mrb, name); - if (!is_const_id(mrb, mrb_sym2name_len(mrb, id, NULL))) { - mrb_name_error(mrb, id, "identifier %S needs to be constant", name); + if (!mrb_const_name_p(mrb, RSTRING_PTR(name), RSTRING_LEN(name))) { + mrb_name_error(mrb, id, "identifier %v needs to be constant", name); } if (mrb_const_defined_at(mrb, mrb_obj_value(klass), id)) { - mrb_warn(mrb, "redefining constant Struct::%S", name); + mrb_warn(mrb, "redefining constant Struct::%v", name); mrb_const_remove(mrb, mrb_obj_value(klass), id); } c = mrb_define_class_under(mrb, klass, RSTRING_PTR(name), klass); @@ -399,23 +388,22 @@ struct_aref_sym(mrb_state *mrb, mrb_value obj, mrb_sym id) return ptr[i]; } } - mrb_name_error(mrb, id, "no member '%S' in struct", mrb_sym2str(mrb, id)); + mrb_name_error(mrb, id, "no member '%n' in struct", id); return mrb_nil_value(); /* not reached */ } static mrb_value struct_aref_int(mrb_state *mrb, mrb_value s, mrb_int i) { - if (i < 0) i = RSTRUCT_LEN(s) + i; - if (i < 0) - mrb_raisef(mrb, E_INDEX_ERROR, - "offset %S too small for struct(size:%S)", - mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s))); - if (RSTRUCT_LEN(s) <= i) + mrb_int idx = i < 0 ? RSTRUCT_LEN(s) + i : i; + + if (idx < 0) + mrb_raisef(mrb, E_INDEX_ERROR, + "offset %i too small for struct(size:%i)", i, RSTRUCT_LEN(s)); + if (RSTRUCT_LEN(s) <= idx) mrb_raisef(mrb, E_INDEX_ERROR, - "offset %S too large for struct(size:%S)", - mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s))); - return RSTRUCT_PTR(s)[i]; + "offset %i too large for struct(size:%i)", i, RSTRUCT_LEN(s)); + return RSTRUCT_PTR(s)[idx]; } /* 15.2.18.4.2 */ @@ -447,7 +435,7 @@ mrb_struct_aref(mrb_state *mrb, mrb_value s) mrb_value sym = mrb_check_intern_str(mrb, idx); if (mrb_nil_p(sym)) { - mrb_name_error(mrb, mrb_intern_str(mrb, idx), "no member '%S' in struct", idx); + mrb_name_error(mrb, mrb_intern_str(mrb, idx), "no member '%v' in struct", idx); } idx = sym; } @@ -475,7 +463,7 @@ mrb_struct_aset_sym(mrb_state *mrb, mrb_value s, mrb_sym id, mrb_value val) return val; } } - mrb_name_error(mrb, id, "no member '%S' in struct", mrb_sym2str(mrb, id)); + mrb_name_error(mrb, id, "no member '%n' in struct", id); return val; /* not reach */ } @@ -514,7 +502,7 @@ mrb_struct_aset(mrb_state *mrb, mrb_value s) mrb_value sym = mrb_check_intern_str(mrb, idx); if (mrb_nil_p(sym)) { - mrb_name_error(mrb, mrb_intern_str(mrb, idx), "no member '%S' in struct", idx); + mrb_name_error(mrb, mrb_intern_str(mrb, idx), "no member '%v' in struct", idx); } idx = sym; } @@ -526,13 +514,11 @@ mrb_struct_aset(mrb_state *mrb, mrb_value s) if (i < 0) i = RSTRUCT_LEN(s) + i; if (i < 0) { mrb_raisef(mrb, E_INDEX_ERROR, - "offset %S too small for struct(size:%S)", - mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s))); + "offset %i too small for struct(size:%i)", i, RSTRUCT_LEN(s)); } if (RSTRUCT_LEN(s) <= i) { mrb_raisef(mrb, E_INDEX_ERROR, - "offset %S too large for struct(size:%S)", - mrb_fixnum_value(i), mrb_fixnum_value(RSTRUCT_LEN(s))); + "offset %i too large for struct(size:%i)", i, RSTRUCT_LEN(s)); } mrb_struct_modify(mrb, s); return RSTRUCT_PTR(s)[i] = val; |
