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compile.c: not flip-flop

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* compile.c (iseq_compile_each): turn flip-flop in a not-operator
  into a boolean value.  fix up r56315

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56521 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-10-29 01:09:40 +00:00
parent 693eabb2be
commit af1b9db40b
3 changed files with 22 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Sat Oct 29 10:09:38 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* compile.c (iseq_compile_each): turn flip-flop in a not-operator
into a boolean value. fix up r56315
Sat Oct 29 09:39:14 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* vm_eval.c (vm_call0_body): follow the original class, not to

15
compile.c
View file

@ -5950,6 +5950,21 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
}
break;
}
case NODE_FLIP2:
case NODE_FLIP3:{
LABEL *lend = NEW_LABEL(line);
LABEL *ltrue = NEW_LABEL(line);
LABEL *lfalse = NEW_LABEL(line);
compile_branch_condition(iseq, ret, node, ltrue, lfalse);
ADD_INSNL(ret, line, jump, lend);
ADD_LABEL(ret, ltrue);
ADD_INSN1(ret, line, putobject, Qtrue);
ADD_INSNL(ret, line, jump, lend);
ADD_LABEL(ret, lfalse);
ADD_INSN1(ret, line, putobject, Qfalse);
ADD_LABEL(ret, lend);
break;
}
case NODE_SELF:{
if (!poped) {
ADD_INSN(ret, line, putself);

2
test/ruby/test_flip.rb
View file

@ -8,6 +8,8 @@ class TestFlip < Test::Unit::TestCase
assert_equal [2], (1..9).select {|n| true if (n==2)..(n%2).zero?}
assert_equal [2,3,4], (1..9).select {|n| true if (n==2)...(n%2).zero?}
assert_equal [4,5,7,8], (1..9).select {|n| true if (n==4)...(n==5) or (n==7)...(n==8)}
assert_equal [nil, 2, 3, 4, nil], (1..5).map {|x| x if (x==2..x==4)}
assert_equal [1, nil, nil, nil, 5], (1..5).map {|x| x if !(x==2..x==4)}
end
def test_hidden_key