diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-22 06:59:00 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2016-04-22 06:59:00 +0000 |
commit | 88efadca4aea13b6c5f3cd4b39c932004d4a23e2 (patch) | |
tree | d0c6e0e0506733a3563d3c39826435f94fff1f1d /struct.c | |
parent | 8d9e1ca97219af43e99f8987070130914c18a584 (diff) |
merge revision(s) 54611,54612: [Backport #12291]
* struct.c (struct_make_members_list): extract making member name
list from char* va_list, with creating symbols without
intermediate IDs.
* struct.c (struct_make_members_list, rb_struct_s_def): member
names should be unique. [ruby-core:74971] [Bug #12291]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@54685 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'struct.c')
-rw-r--r-- | struct.c | 67 |
1 files changed, 36 insertions, 31 deletions
@@ -232,6 +232,27 @@ rb_struct_alloc_noinit(VALUE klass) } static VALUE +struct_make_members_list(va_list ar) +{ + char *mem; + VALUE ary, list = rb_ident_hash_new(); + st_table *tbl = RHASH_TBL(list); + + RBASIC_CLEAR_CLASS(list); + while ((mem = va_arg(ar, char*)) != 0) { + VALUE sym = rb_id2sym(rb_intern(mem)); + if (st_insert(tbl, sym, Qtrue)) { + rb_raise(rb_eArgError, "duplicate member: %s", mem); + } + } + ary = rb_hash_keys(list); + st_clear(tbl); + RBASIC_CLEAR_CLASS(ary); + OBJ_FREEZE_RAW(ary); + return ary; +} + +static VALUE struct_define_without_accessor(VALUE outer, const char *class_name, VALUE super, rb_alloc_func_t alloc, VALUE members) { VALUE klass; @@ -265,15 +286,10 @@ rb_struct_define_without_accessor_under(VALUE outer, const char *class_name, VAL { va_list ar; VALUE members; - char *name; - members = rb_ary_tmp_new(0); va_start(ar, alloc); - while ((name = va_arg(ar, char*)) != NULL) { - rb_ary_push(members, ID2SYM(rb_intern(name))); - } + members = struct_make_members_list(ar); va_end(ar); - OBJ_FREEZE(members); return struct_define_without_accessor(outer, class_name, super, alloc, members); } @@ -283,15 +299,10 @@ rb_struct_define_without_accessor(const char *class_name, VALUE super, rb_alloc_ { va_list ar; VALUE members; - char *name; - members = rb_ary_tmp_new(0); va_start(ar, alloc); - while ((name = va_arg(ar, char*)) != NULL) { - rb_ary_push(members, ID2SYM(rb_intern(name))); - } + members = struct_make_members_list(ar); va_end(ar); - OBJ_FREEZE(members); return struct_define_without_accessor(0, class_name, super, alloc, members); } @@ -301,15 +312,9 @@ rb_struct_define(const char *name, ...) { va_list ar; VALUE st, ary; - char *mem; - - ary = rb_ary_tmp_new(0); va_start(ar, name); - while ((mem = va_arg(ar, char*)) != 0) { - ID slot = rb_intern(mem); - rb_ary_push(ary, ID2SYM(slot)); - } + ary = struct_make_members_list(ar); va_end(ar); if (!name) st = anonymous_struct(rb_cStruct); @@ -322,15 +327,9 @@ rb_struct_define_under(VALUE outer, const char *name, ...) { va_list ar; VALUE ary; - char *mem; - - ary = rb_ary_tmp_new(0); va_start(ar, name); - while ((mem = va_arg(ar, char*)) != 0) { - ID slot = rb_intern(mem); - rb_ary_push(ary, ID2SYM(slot)); - } + ary = struct_make_members_list(ar); va_end(ar); return setup_struct(rb_define_class_under(outer, name, rb_cStruct), ary); @@ -391,7 +390,7 @@ rb_struct_s_def(int argc, VALUE *argv, VALUE klass) VALUE name, rest; long i; VALUE st; - ID id; + st_table *tbl; rb_check_arity(argc, 1, UNLIMITED_ARGUMENTS); name = argv[0]; @@ -402,12 +401,18 @@ rb_struct_s_def(int argc, VALUE *argv, VALUE klass) --argc; ++argv; } - rest = rb_ary_tmp_new(argc); + rest = rb_ident_hash_new(); + RBASIC_CLEAR_CLASS(rest); + tbl = RHASH_TBL(rest); for (i=0; i<argc; i++) { - id = rb_to_id(argv[i]); - RARRAY_ASET(rest, i, ID2SYM(id)); - rb_ary_set_len(rest, i+1); + VALUE mem = rb_to_symbol(argv[i]); + if (st_insert(tbl, mem, Qtrue)) { + rb_raise(rb_eArgError, "duplicate member: %"PRIsVALUE, mem); + } } + rest = rb_hash_keys(rest); + st_clear(tbl); + RBASIC_CLEAR_CLASS(rest); if (NIL_P(name)) { st = anonymous_struct(klass); } |