diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-06-07 23:33:51 +0000 |
---|---|---|
committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-06-07 23:33:51 +0000 |
commit | aac8fbf09ff2bec1b2a0dfa0b484a422f7cf78da (patch) | |
tree | f741ef14908586e50ba0264d7dd2d373d8b53c2b /enum.c | |
parent | fb584cf3dc4b3542c68bc0789d958c106762ec22 (diff) |
* enum.c (enum_min_by, enum_max_by): return nil if no iteration.
fixed: [ruby-dev:26245]
* eval.c (rb_need_block): ensure a block is given.
* eval.c (backtrace): skip successive frames sharing same node.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@8590 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'enum.c')
-rw-r--r-- | enum.c | 166 |
1 files changed, 75 insertions, 91 deletions
@@ -80,11 +80,10 @@ enum_grep(obj, pat) static VALUE find_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { if (RTEST(rb_yield(i))) { - memo->u2.value = Qtrue; - memo->u1.value = i; + *memo = i; rb_iter_break(); } return Qnil; @@ -111,13 +110,13 @@ enum_find(argc, argv, obj) VALUE* argv; VALUE obj; { - NODE *memo = rb_node_newnode(NODE_MEMO, Qnil, Qfalse, 0); + VALUE memo = Qundef; VALUE if_none; rb_scan_args(argc, argv, "01", &if_none); - rb_iterate(rb_each, obj, find_i, (VALUE)memo); - if (memo->u2.value) { - return memo->u1.value; + rb_iterate(rb_each, obj, find_i, (VALUE)&memo); + if (memo != Qundef) { + return memo; } if (!NIL_P(if_none)) { return rb_funcall(if_none, rb_intern("call"), 0, 0); @@ -257,14 +256,13 @@ enum_to_a(obj) static VALUE inject_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { - if (memo->u2.value) { - memo->u2.value = Qfalse; - memo->u1.value = i; + if (*memo == Qundef) { + *memo = i; } else { - memo->u1.value = rb_yield_values(2, memo->u1.value, i); + *memo = rb_yield_values(2, *memo, i); } return Qnil; } @@ -305,18 +303,11 @@ enum_inject(argc, argv, obj) int argc; VALUE *argv, obj; { - NODE *memo; - VALUE n; + VALUE memo = Qundef; - if (rb_scan_args(argc, argv, "01", &n) == 1) { - memo = rb_node_newnode(NODE_MEMO, n, Qfalse, 0); - } - else { - memo = rb_node_newnode(NODE_MEMO, Qnil, Qtrue, 0); - } - rb_iterate(rb_each, obj, inject_i, (VALUE)memo); - n = memo->u1.value; - return n; + rb_scan_args(argc, argv, "01", &memo); + rb_iterate(rb_each, obj, inject_i, (VALUE)&memo); + return memo; } static VALUE @@ -507,10 +498,10 @@ enum_sort_by(obj) static VALUE all_iter_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { if (!RTEST(rb_yield(i))) { - memo->u1.value = Qfalse; + *memo = Qfalse; rb_iter_break(); } return Qnil; @@ -519,10 +510,10 @@ all_iter_i(i, memo) static VALUE all_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { if (!RTEST(i)) { - memo->u1.value = Qfalse; + *memo = Qfalse; rb_iter_break(); } return Qnil; @@ -549,22 +540,19 @@ static VALUE enum_all(obj) VALUE obj; { - VALUE result; - NODE *memo = rb_node_newnode(NODE_MEMO, Qnil, 0, 0); + VALUE result = Qtrue; - memo->u1.value = Qtrue; - rb_iterate(rb_each, obj, rb_block_given_p() ? all_iter_i : all_i, (VALUE)memo); - result = memo->u1.value; + rb_iterate(rb_each, obj, rb_block_given_p() ? all_iter_i : all_i, (VALUE)&result); return result; } static VALUE any_iter_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { if (RTEST(rb_yield(i))) { - memo->u1.value = Qtrue; + *memo = Qtrue; rb_iter_break(); } return Qnil; @@ -573,10 +561,10 @@ any_iter_i(i, memo) static VALUE any_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { if (RTEST(i)) { - memo->u1.value = Qtrue; + *memo = Qtrue; rb_iter_break(); } return Qnil; @@ -604,29 +592,26 @@ static VALUE enum_any(obj) VALUE obj; { - VALUE result; - NODE *memo = rb_node_newnode(NODE_MEMO, Qnil, 0, 0); + VALUE result = Qfalse; - memo->u1.value = Qfalse; - rb_iterate(rb_each, obj, rb_block_given_p() ? any_iter_i : any_i, (VALUE)memo); - result = memo->u1.value; + rb_iterate(rb_each, obj, rb_block_given_p() ? any_iter_i : any_i, (VALUE)&result); return result; } static VALUE min_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { VALUE cmp; - if (NIL_P(memo->u1.value)) { - memo->u1.value = i; + if (NIL_P(*memo)) { + *memo = i; } else { - cmp = rb_funcall(i, id_cmp, 1, memo->u1.value); - if (rb_cmpint(cmp, i, memo->u1.value) < 0) { - memo->u1.value = i; + cmp = rb_funcall(i, id_cmp, 1, *memo); + if (rb_cmpint(cmp, i, *memo) < 0) { + *memo = i; } } return Qnil; @@ -635,17 +620,17 @@ min_i(i, memo) static VALUE min_ii(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { VALUE cmp; - if (NIL_P(memo->u1.value)) { - memo->u1.value = i; + if (NIL_P(*memo)) { + *memo = i; } else { - cmp = rb_yield_values(2, i, memo->u1.value); - if (rb_cmpint(cmp, i, memo->u1.value) < 0) { - memo->u1.value = i; + cmp = rb_yield_values(2, i, *memo); + if (rb_cmpint(cmp, i, *memo) < 0) { + *memo = i; } } return Qnil; @@ -670,11 +655,9 @@ static VALUE enum_min(obj) VALUE obj; { - VALUE result; - NODE *memo = rb_node_newnode(NODE_MEMO, Qnil, 0, 0); + VALUE result = Qnil; - rb_iterate(rb_each, obj, rb_block_given_p() ? min_ii : min_i, (VALUE)memo); - result = memo->u1.value; + rb_iterate(rb_each, obj, rb_block_given_p() ? min_ii : min_i, (VALUE)&result); return result; } @@ -695,17 +678,17 @@ enum_min(obj) static VALUE max_i(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { VALUE cmp; - if (NIL_P(memo->u1.value)) { - memo->u1.value = i; + if (NIL_P(*memo)) { + *memo = i; } else { - cmp = rb_funcall(i, id_cmp, 1, memo->u1.value); - if (rb_cmpint(cmp, i, memo->u1.value) > 0) { - memo->u1.value = i; + cmp = rb_funcall(i, id_cmp, 1, *memo); + if (rb_cmpint(cmp, i, *memo) > 0) { + *memo = i; } } return Qnil; @@ -714,17 +697,17 @@ max_i(i, memo) static VALUE max_ii(i, memo) VALUE i; - NODE *memo; + VALUE *memo; { VALUE cmp; - if (NIL_P(memo->u1.value)) { - memo->u1.value = i; + if (NIL_P(*memo)) { + *memo = i; } else { - cmp = rb_yield_values(2, i, memo->u1.value); - if (rb_cmpint(cmp, i, memo->u1.value) > 0) { - memo->u1.value = i; + cmp = rb_yield_values(2, i, *memo); + if (rb_cmpint(cmp, i, *memo) > 0) { + *memo = i; } } return Qnil; @@ -748,21 +731,19 @@ static VALUE enum_max(obj) VALUE obj; { - VALUE result; - NODE *memo = rb_node_newnode(NODE_MEMO, Qnil, 0, 0); + VALUE result = Qnil; - rb_iterate(rb_each, obj, rb_block_given_p() ? max_ii : max_i, (VALUE)memo); - result = memo->u1.value; + rb_iterate(rb_each, obj, rb_block_given_p() ? max_ii : max_i, (VALUE)&result); return result; } static VALUE member_i(item, memo) VALUE item; - NODE *memo; + VALUE *memo; { - if (rb_equal(item, memo->u1.value)) { - memo->u2.value = Qtrue; + if (rb_equal(item, memo[0])) { + memo[1] = Qtrue; rb_iter_break(); } return Qnil; @@ -785,21 +766,21 @@ static VALUE enum_member(obj, val) VALUE obj, val; { - VALUE result; - NODE *memo = rb_node_newnode(NODE_MEMO, val, Qfalse, 0); + VALUE memo[2]; + memo[0] = val; + memo[1] = Qfalse; rb_iterate(rb_each, obj, member_i, (VALUE)memo); - result = memo->u2.value; - return result; + return memo[1]; } static VALUE each_with_index_i(val, memo) VALUE val; - NODE *memo; + VALUE *memo; { - rb_yield_values(2, val, INT2FIX(memo->u3.cnt)); - memo->u3.cnt++; + rb_yield_values(2, val, INT2FIX(*memo)); + ++*memo; return Qnil; } @@ -822,20 +803,21 @@ static VALUE enum_each_with_index(obj) VALUE obj; { - NODE *memo = rb_node_newnode(NODE_MEMO, 0, 0, 0); + VALUE memo = 0; - rb_iterate(rb_each, obj, each_with_index_i, (VALUE)memo); + rb_need_block(); + rb_iterate(rb_each, obj, each_with_index_i, (VALUE)&memo); return obj; } static VALUE zip_i(val, memo) VALUE val; - NODE *memo; + VALUE *memo; { - VALUE result = memo->u1.value; - VALUE args = memo->u2.value; - int idx = memo->u3.cnt++; + VALUE result = memo[0]; + VALUE args = memo[1]; + int idx = memo[2]++; VALUE tmp; int i; @@ -884,13 +866,15 @@ enum_zip(argc, argv, obj) { int i; VALUE result; - NODE *memo; + VALUE memo[3]; for (i=0; i<argc; i++) { argv[i] = rb_convert_type(argv[i], T_ARRAY, "Array", "to_a"); } result = rb_block_given_p() ? Qnil : rb_ary_new(); - memo = rb_node_newnode(NODE_MEMO, result, rb_ary_new4(argc, argv), 0); + memo[0] = result; + memo[1] = rb_ary_new4(argc, argv); + memo[2] = 0; rb_iterate(rb_each, obj, zip_i, (VALUE)memo); return result; |