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vm_insnhelper.c: relax arity check

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* vm.c (invoke_block_from_c): add splattable argument.
* vm.c (vm_invoke_proc): disallow to splat when directly invoked.
* vm_insnhelper.c (vm_callee_setup_arg_complex, vm_callee_setup_arg):
  relax arity check of yielded lambda.  [ruby-core:61340] [Bug #9605]
* test/ruby/test_yield.rb (TestRubyYieldGen#emu_bind_params): no
  longer raise ArgumentError when splatting to lambda.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45327 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-03-13 16:18:45 +00:00
parent 2deb6e8ee2
commit 163f9abe4f
6 changed files with 173 additions and 16 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
Fri Mar 14 01:18:24 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* vm.c (invoke_block_from_c): add splattable argument.
* vm.c (vm_invoke_proc): disallow to splat when directly invoked.
* vm_insnhelper.c (vm_callee_setup_arg_complex, vm_callee_setup_arg):
relax arity check of yielded lambda. [ruby-core:61340] [Bug #9605]
* test/ruby/test_yield.rb (TestRubyYieldGen#emu_bind_params): no
longer raise ArgumentError when splatting to lambda.
Thu Mar 13 23:51:02 2014 NAKAMURA Usaku <usa@ruby-lang.org>
* ext/-test-/win32/dln/libdlntest.c (dlntest_ordinal): no need to

111
test/ruby/test_enum.rb
View file

@ -56,6 +56,11 @@ class TestEnumerable < Test::Unit::TestCase
bug5801 = '[ruby-dev:45041]'
@empty.grep(//)
assert_nothing_raised(bug5801) {100.times {@empty.block.call}}
a = []
lambda = ->(x, i) {a << [x, i]}
@obj.each_with_index.grep(proc{|x,i|x==2}, &lambda)
assert_equal([[2, 1], [2, 4]], a)
end
def test_count
@ -81,6 +86,8 @@ class TestEnumerable < Test::Unit::TestCase
assert_equal(2, @obj.find {|x| x % 2 == 0 })
assert_equal(nil, @obj.find {|x| false })
assert_equal(:foo, @obj.find(proc { :foo }) {|x| false })
cond = ->(x, i) { x % 2 == 0 }
assert_equal([2, 1], @obj.each_with_index.find(&cond))
end
def test_find_index
@ -93,10 +100,14 @@ class TestEnumerable < Test::Unit::TestCase
def test_find_all
assert_equal([1, 3, 1], @obj.find_all {|x| x % 2 == 1 })
cond = ->(x, i) { x % 2 == 1 }
assert_equal([[1, 0], [3, 2], [1, 3]], @obj.each_with_index.find_all(&cond))
end
def test_reject
assert_equal([2, 3, 2], @obj.reject {|x| x < 2 })
cond = ->(x, i) {x < 2}
assert_equal([[2, 1], [3, 2], [2, 4]], @obj.each_with_index.reject(&cond))
end
def test_to_a
@ -144,11 +155,17 @@ class TestEnumerable < Test::Unit::TestCase
def test_partition
assert_equal([[1, 3, 1], [2, 2]], @obj.partition {|x| x % 2 == 1 })
cond = ->(x, i) { x % 2 == 1 }
assert_equal([[[1, 0], [3, 2], [1, 3]], [[2, 1], [2, 4]]], @obj.each_with_index.partition(&cond))
end
def test_group_by
h = { 1 => [1, 1], 2 => [2, 2], 3 => [3] }
assert_equal(h, @obj.group_by {|x| x })
h = {1=>[[1, 0], [1, 3]], 2=>[[2, 1], [2, 4]], 3=>[[3, 2]]}
cond = ->(x, i) { x }
assert_equal(h, @obj.each_with_index.group_by(&cond))
end
def test_first
@ -164,6 +181,9 @@ class TestEnumerable < Test::Unit::TestCase
def test_sort_by
assert_equal([3, 2, 2, 1, 1], @obj.sort_by {|x| -x })
assert_equal((1..300).to_a.reverse, (1..300).sort_by {|x| -x })
cond = ->(x, i) { [-x, i] }
assert_equal([[3, 2], [2, 1], [2, 4], [1, 0], [1, 3]], @obj.each_with_index.sort_by(&cond))
end
def test_all
@ -205,6 +225,8 @@ class TestEnumerable < Test::Unit::TestCase
def test_min
assert_equal(1, @obj.min)
assert_equal(3, @obj.min {|a,b| b <=> a })
cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib }
assert_equal([3, 2], @obj.each_with_index.min(&cond))
ary = %w(albatross dog horse)
assert_equal("albatross", ary.min)
assert_equal("dog", ary.min {|a,b| a.length <=> b.length })
@ -217,6 +239,8 @@ class TestEnumerable < Test::Unit::TestCase
def test_max
assert_equal(3, @obj.max)
assert_equal(1, @obj.max {|a,b| b <=> a })
cond = ->((a, ia), (b, ib)) { (b <=> a).nonzero? or ia <=> ib }
assert_equal([1, 3], @obj.each_with_index.max(&cond))
ary = %w(albatross dog horse)
assert_equal("horse", ary.max)
assert_equal("albatross", ary.max {|a,b| a.length <=> b.length })
@ -239,6 +263,8 @@ class TestEnumerable < Test::Unit::TestCase
def test_min_by
assert_equal(3, @obj.min_by {|x| -x })
cond = ->(x, i) { -x }
assert_equal([3, 2], @obj.each_with_index.min_by(&cond))
a = %w(albatross dog horse)
assert_equal("dog", a.min_by {|x| x.length })
assert_equal(3, [2,3,1].min_by {|x| -x })
@ -247,6 +273,8 @@ class TestEnumerable < Test::Unit::TestCase
def test_max_by
assert_equal(1, @obj.max_by {|x| -x })
cond = ->(x, i) { -x }
assert_equal([1, 0], @obj.each_with_index.max_by(&cond))
a = %w(albatross dog horse)
assert_equal("albatross", a.max_by {|x| x.length })
assert_equal(1, [2,3,1].max_by {|x| -x })
@ -255,6 +283,8 @@ class TestEnumerable < Test::Unit::TestCase
def test_minmax_by
assert_equal([3, 1], @obj.minmax_by {|x| -x })
cond = ->(x, i) { -x }
assert_equal([[3, 2], [1, 0]], @obj.each_with_index.minmax_by(&cond))
a = %w(albatross dog horse)
assert_equal(["dog", "albatross"], a.minmax_by {|x| x.length })
assert_equal([3, 1], [2,3,1].minmax_by {|x| -x })
@ -302,6 +332,10 @@ class TestEnumerable < Test::Unit::TestCase
def test_each_entry
assert_equal([1, 2, 3], [1, 2, 3].each_entry.to_a)
assert_equal([1, [1, 2]], Foo.new.each_entry.to_a)
a = []
cond = ->(x, i) { a << x }
@obj.each_with_index.each_entry(&cond)
assert_equal([1, 2, 3, 1, 2], a)
end
def test_zip
@ -310,6 +344,11 @@ class TestEnumerable < Test::Unit::TestCase
@obj.zip([:a, :b, :c]) {|x,y| a << [x, y] }
assert_equal([[1,:a],[2,:b],[3,:c],[1,nil],[2,nil]], a)
a = []
cond = ->((x, i), y) { a << [x, y, i] }
@obj.each_with_index.zip([:a, :b, :c], &cond)
assert_equal([[1,:a,0],[2,:b,1],[3,:c,2],[1,nil,3],[2,nil,4]], a)
a = []
@obj.zip({a: "A", b: "B", c: "C"}) {|x,y| a << [x, y] }
assert_equal([[1,[:a,"A"]],[2,[:b,"B"]],[3,[:c,"C"]],[1,nil],[2,nil]], a)
@ -329,6 +368,8 @@ class TestEnumerable < Test::Unit::TestCase
def test_take_while
assert_equal([1,2], @obj.take_while {|x| x <= 2})
cond = ->(x, i) {x <= 2}
assert_equal([[1, 0], [2, 1]], @obj.each_with_index.take_while(&cond))
bug5801 = '[ruby-dev:45040]'
@empty.take_while {true}
@ -341,10 +382,19 @@ class TestEnumerable < Test::Unit::TestCase
def test_drop_while
assert_equal([3,1,2], @obj.drop_while {|x| x <= 2})
cond = ->(x, i) {x <= 2}
assert_equal([[3, 2], [1, 3], [2, 4]], @obj.each_with_index.drop_while(&cond))
end
def test_cycle
assert_equal([1,2,3,1,2,1,2,3,1,2], @obj.cycle.take(10))
a = []
@obj.cycle(2) {|x| a << x}
assert_equal([1,2,3,1,2,1,2,3,1,2], a)
a = []
cond = ->(x, i) {a << x}
@obj.each_with_index.cycle(2, &cond)
assert_equal([1,2,3,1,2,1,2,3,1,2], a)
end
def test_callcc
@ -459,4 +509,65 @@ class TestEnumerable < Test::Unit::TestCase
assert_not_warn{ss.slice_before(/\A...\z/).to_a}
end
def test_detect
@obj = ('a'..'z')
assert_equal('c', @obj.detect {|x| x == 'c' })
proc = Proc.new {|x| x == 'c' }
assert_equal('c', @obj.detect(&proc))
lambda = ->(x) { x == 'c' }
assert_equal('c', @obj.detect(&lambda))
assert_equal(['c',2], @obj.each_with_index.detect {|x, i| x == 'c' })
proc2 = Proc.new {|x, i| x == 'c' }
assert_equal(['c',2], @obj.each_with_index.detect(&proc2))
bug9605 = '[ruby-core:61340]'
lambda2 = ->(x, i) { x == 'c' }
assert_equal(['c',2], @obj.each_with_index.detect(&lambda2))
end
def test_select
@obj = ('a'..'z')
assert_equal(['c'], @obj.select {|x| x == 'c' })
proc = Proc.new {|x| x == 'c' }
assert_equal(['c'], @obj.select(&proc))
lambda = ->(x) { x == 'c' }
assert_equal(['c'], @obj.select(&lambda))
assert_equal([['c',2]], @obj.each_with_index.select {|x, i| x == 'c' })
proc2 = Proc.new {|x, i| x == 'c' }
assert_equal([['c',2]], @obj.each_with_index.select(&proc2))
bug9605 = '[ruby-core:61340]'
lambda2 = ->(x, i) { x == 'c' }
assert_equal([['c',2]], @obj.each_with_index.select(&lambda2))
end
def test_map
@obj = ('a'..'e')
assert_equal(['A', 'B', 'C', 'D', 'E'], @obj.map {|x| x.upcase })
proc = Proc.new {|x| x.upcase }
assert_equal(['A', 'B', 'C', 'D', 'E'], @obj.map(&proc))
lambda = ->(x) { x.upcase }
assert_equal(['A', 'B', 'C', 'D', 'E'], @obj.map(&lambda))
assert_equal([['A',0], ['B',1], ['C',2], ['D',3], ['E',4]],
@obj.each_with_index.map {|x, i| [x.upcase, i] })
proc2 = Proc.new {|x, i| [x.upcase, i] }
assert_equal([['A',0], ['B',1], ['C',2], ['D',3], ['E',4]],
@obj.each_with_index.map(&proc2))
lambda2 = ->(x, i) { [x.upcase, i] }
assert_equal([['A',0], ['B',1], ['C',2], ['D',3], ['E',4]],
@obj.each_with_index.map(&lambda2))
end
end

13
test/ruby/test_lambda.rb
View file

@ -25,8 +25,13 @@ class TestLambdaParameters < Test::Unit::TestCase
def test_lambda_as_iterator
a = 0
2.times(&->(_){ a += 1 })
assert_equal(a, 2)
assert_equal(2, a)
assert_raise(ArgumentError) {1.times(&->(){ a += 1 })}
bug9605 = '[ruby-core:61468] [Bug #9605]'
assert_nothing_raised(ArgumentError, bug9605) {1.times(&->(n){ a += 1 })}
assert_equal(3, a, bug9605)
assert_nothing_raised(ArgumentError, bug9605) {a = [[1, 2]].map(&->(x, y) {x+y})}
assert_equal([3], a, bug9605)
end
def test_call_rest_args
@ -60,6 +65,12 @@ class TestLambdaParameters < Test::Unit::TestCase
assert_nil(b)
end
def test_call_block_from_lambda
bug9605 = '[ruby-core:61470] [Bug #9605]'
plus = ->(x,y) {x+y}
assert_raise(ArgumentError, bug9605) {proc(&plus).call [1,2]}
end
def foo
assert_equal(nil, ->(&b){ b }.call)
end

2
test/ruby/test_yield.rb
View file

@ -244,7 +244,7 @@ class TestRubyYieldGen < Test::Unit::TestCase
throw :emuerror, ArgumentError
end
else
if args.length != params.length
if args.length != params.length and !(args.length == 1 and Array === args[0] and args[0].length == params.length)
throw :emuerror, ArgumentError
end
end

12
vm.c
View file

@ -716,7 +716,7 @@ static inline VALUE
invoke_block_from_c(rb_thread_t *th, const rb_block_t *block,
VALUE self, int argc, const VALUE *argv,
const rb_block_t *blockptr, const NODE *cref,
VALUE defined_class)
VALUE defined_class, int splattable)
{
if (SPECIAL_CONST_P(block->iseq))
return Qnil;
@ -734,7 +734,7 @@ invoke_block_from_c(rb_thread_t *th, const rb_block_t *block,
}
opt_pc = vm_yield_setup_args(th, iseq, argc, cfp->sp, blockptr,
type == VM_FRAME_MAGIC_LAMBDA);
(type == VM_FRAME_MAGIC_LAMBDA) ? splattable+1 : 0);
vm_push_frame(th, iseq, type | VM_FRAME_FLAG_FINISH,
self, defined_class,
@ -772,7 +772,7 @@ vm_yield_with_cref(rb_thread_t *th, int argc, const VALUE *argv, const NODE *cre
{
const rb_block_t *blockptr = check_block(th);
return invoke_block_from_c(th, blockptr, blockptr->self, argc, argv, 0, cref,
blockptr->klass);
blockptr->klass, 1);
}
static inline VALUE
@ -780,7 +780,7 @@ vm_yield(rb_thread_t *th, int argc, const VALUE *argv)
{
const rb_block_t *blockptr = check_block(th);
return invoke_block_from_c(th, blockptr, blockptr->self, argc, argv, 0, 0,
blockptr->klass);
blockptr->klass, 1);
}
static inline VALUE
@ -788,7 +788,7 @@ vm_yield_with_block(rb_thread_t *th, int argc, const VALUE *argv, const rb_block
{
const rb_block_t *blockptr = check_block(th);
return invoke_block_from_c(th, blockptr, blockptr->self, argc, argv, blockargptr, 0,
blockptr->klass);
blockptr->klass, 1);
}
static VALUE
@ -805,7 +805,7 @@ vm_invoke_proc(rb_thread_t *th, rb_proc_t *proc, VALUE self, VALUE defined_class
th->safe_level = proc->safe_level;
}
val = invoke_block_from_c(th, &proc->block, self, argc, argv, blockptr, 0,
defined_class);
defined_class, 0);
}
TH_POP_TAG();

35
vm_insnhelper.c
View file

@ -1095,13 +1095,14 @@ vm_callee_setup_keyword_arg(const rb_iseq_t *iseq, int argc, int m, VALUE *orig_
}
static inline int
vm_callee_setup_arg_complex(rb_thread_t *th, rb_call_info_t *ci, const rb_iseq_t *iseq, VALUE *orig_argv)
vm_callee_setup_arg_complex(rb_thread_t *th, rb_call_info_t *ci, const rb_iseq_t *iseq, VALUE *orig_argv,
int splattable)
{
const int m = iseq->argc;
const int opts = iseq->arg_opts - (iseq->arg_opts > 0);
const int min = m + iseq->arg_post_len;
const int max = (iseq->arg_rest == -1) ? m + opts + iseq->arg_post_len : UNLIMITED_ARGUMENTS;
const int orig_argc = ci->argc;
int orig_argc = ci->argc;
int argc = orig_argc;
VALUE *argv = orig_argv;
VALUE keyword_hash = Qnil;
@ -1116,8 +1117,19 @@ vm_callee_setup_arg_complex(rb_thread_t *th, rb_call_info_t *ci, const rb_iseq_t
/* mandatory */
if ((argc < min) || (argc > max && max != UNLIMITED_ARGUMENTS)) {
VALUE arg0;
long len;
if (!splattable ||
argc != 1 ||
!RB_TYPE_P(arg0 = argv[0], T_ARRAY) ||
(len = RARRAY_LEN(arg0)) < (long)min ||
(len > (long)max && max != UNLIMITED_ARGUMENTS)) {
argument_error(iseq, argc, min, max);
}
CHECK_VM_STACK_OVERFLOW(th->cfp, len - 1);
MEMCPY(argv, RARRAY_CONST_PTR(arg0), VALUE, len);
ci->argc = argc = orig_argc = (int)len;
}
argv += m;
argc -= m;
@ -1203,8 +1215,18 @@ vm_callee_setup_arg(rb_thread_t *th, rb_call_info_t *ci, const rb_iseq_t *iseq,
if (LIKELY(iseq->arg_simple & 0x01)) {
/* simple check */
if (ci->argc != iseq->argc) {
VALUE arg0;
long len;
if (!(is_lambda > 1) ||
ci->argc != 1 ||
!RB_TYPE_P(arg0 = argv[0], T_ARRAY) ||
(len = RARRAY_LEN(arg0)) != (long)iseq->argc) {
argument_error(iseq, ci->argc, iseq->argc, iseq->argc);
}
CHECK_VM_STACK_OVERFLOW(th->cfp, len - 1);
MEMCPY(argv, RARRAY_CONST_PTR(arg0), VALUE, len);
ci->argc = (int)len;
}
ci->aux.opt_pc = 0;
CI_SET_FASTPATH(ci,
(UNLIKELY(ci->flag & VM_CALL_TAILCALL) ?
@ -1215,7 +1237,7 @@ vm_callee_setup_arg(rb_thread_t *th, rb_call_info_t *ci, const rb_iseq_t *iseq,
!(ci->me->flag & NOEX_PROTECTED)));
}
else {
ci->aux.opt_pc = vm_callee_setup_arg_complex(th, ci, iseq, argv);
ci->aux.opt_pc = vm_callee_setup_arg_complex(th, ci, iseq, argv, is_lambda > 1);
}
}
@ -2290,7 +2312,8 @@ vm_yield_setup_block_args(rb_thread_t *th, const rb_iseq_t * iseq,
static inline int
vm_yield_setup_args(rb_thread_t * const th, const rb_iseq_t *iseq,
int argc, VALUE *argv, const rb_block_t *blockptr, int lambda)
int argc, VALUE *argv, const rb_block_t *blockptr,
int lambda)
{
if (0) { /* for debug */
printf(" argc: %d\n", argc);
@ -2309,7 +2332,7 @@ vm_yield_setup_args(rb_thread_t * const th, const rb_iseq_t *iseq,
ci_entry.flag = 0;
ci_entry.argc = argc;
ci_entry.blockptr = (rb_block_t *)blockptr;
vm_callee_setup_arg(th, &ci_entry, iseq, argv, 1);
vm_callee_setup_arg(th, &ci_entry, iseq, argv, lambda);
return ci_entry.aux.opt_pc;
}
else {
@ -2340,7 +2363,7 @@ vm_invoke_block(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_call_info_t *ci
VALUE * const rsp = GET_SP() - ci->argc;
SET_SP(rsp);
opt_pc = vm_yield_setup_args(th, iseq, ci->argc, rsp, 0, is_lambda);
opt_pc = vm_yield_setup_args(th, iseq, ci->argc, rsp, 0, is_lambda * 2);
vm_push_frame(th, iseq,
is_lambda ? VM_FRAME_MAGIC_LAMBDA : VM_FRAME_MAGIC_BLOCK,