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* compile.c, insns.def (checkmatch):

Browse source 
remove checkincludearray instruction and
  add new instruction checkmatch.
  This change is to solve
  [Bug #4438] "rescue args type check omitted".
* iseq.c: increment ISEQ_MAJOR_VERSION because removal of
  checkincludearray instruction.
* vm_core.h: add several definitions for
  the checkmatch instruction.
* vm_insnhelper.c (check_match): added.
* bootstraptest/test_exception.rb: add a test.
* test/ruby/test_exception.rb: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36658 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2012-08-08 07:52:19 +00:00
parent 8637eac406
commit 93b6f8d619
8 changed files with 132 additions and 55 deletions
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20
ChangeLog
View file

@ -1,3 +1,23 @@
Wed Aug 8 16:27:58 2012 Koichi Sasada <ko1@atdot.net>
* compile.c, insns.def (checkmatch):
remove checkincludearray instruction and
add new instruction checkmatch.
This change is to solve
[Bug #4438] "rescue args type check omitted".
* iseq.c: increment ISEQ_MAJOR_VERSION because removal of
checkincludearray instruction.
* vm_core.h: add several definitions for
the checkmatch instruction.
* vm_insnhelper.c (check_match): added.
* bootstraptest/test_exception.rb: add a test.
* test/ruby/test_exception.rb: ditto.
Wed Aug 8 05:51:20 2012 Eric Hodel <drbrain@segment7.net>
* proc.c (method_clone): Added documentation. Patch by Robin Dupret.

15
bootstraptest/test_exception.rb
View file

@ -414,3 +414,18 @@ assert_equal 'exception class/object expected', %q{
e.message
end
}, '[ruby-core:24767]'
assert_equal 'ok', %q{
class C
def ===(o)
true
end
end
begin
begin
rescue C.new
end
rescue TypeError
:ok
end
}

25
compile.c
View file

@ -2458,6 +2458,8 @@ when_vals(rb_iseq_t *iseq, LINK_ANCHOR *cond_seq, NODE *vals, LABEL *l1, int onl
}
}
ADD_INSN(cond_seq, nd_line(val), dup); /* dup target */
if (nd_type(val) == NODE_STR) {
debugp_param("nd_lit", val->nd_lit);
OBJ_FREEZE(val->nd_lit);
@ -2466,8 +2468,8 @@ when_vals(rb_iseq_t *iseq, LINK_ANCHOR *cond_seq, NODE *vals, LABEL *l1, int onl
else {
COMPILE(cond_seq, "when cond", val);
}
ADD_INSN1(cond_seq, nd_line(val), topn, INT2FIX(1));
ADD_SEND(cond_seq, nd_line(val), ID2SYM(idEqq), INT2FIX(1));
ADD_INSN1(cond_seq, nd_line(vals), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE));
ADD_INSNL(cond_seq, nd_line(val), branchif, l1);
vals = vals->nd_next;
}
@ -3207,8 +3209,9 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
case NODE_ARGSCAT:
case NODE_ARGSPUSH:
only_special_literals = 0;
ADD_INSN (cond_seq, nd_line(vals), dup);
COMPILE(cond_seq, "when/cond splat", vals);
ADD_INSN1(cond_seq, nd_line(vals), checkincludearray, Qtrue);
ADD_INSN1(cond_seq, nd_line(vals), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_CASE | VM_CHECKMATCH_ARRAY));
ADD_INSNL(cond_seq, nd_line(vals), branchif, l1);
break;
default:
@ -3289,8 +3292,7 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
case NODE_ARGSPUSH:
ADD_INSN(ret, nd_line(vals), putnil);
COMPILE(ret, "when2/cond splat", vals);
ADD_INSN1(ret, nd_line(vals), checkincludearray, Qfalse);
ADD_INSN(ret, nd_line(vals), pop);
ADD_INSN1(ret, nd_line(vals), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_WHEN | VM_CHECKMATCH_ARRAY));
ADD_INSNL(ret, nd_line(vals), branchif, l1);
break;
default:
@ -3687,9 +3689,9 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
switch (nd_type(narg)) {
case NODE_ARRAY:
while (narg) {
COMPILE(ret, "rescue arg", narg->nd_head);
ADD_INSN2(ret, nd_line(node), getdynamic, INT2FIX(2), INT2FIX(0));
ADD_SEND(ret, nd_line(node), ID2SYM(idEqq), INT2FIX(1));
COMPILE(ret, "rescue arg", narg->nd_head);
ADD_INSN1(ret, nd_line(node), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_RESCUE));
ADD_INSNL(ret, nd_line(node), branchif, label_hit);
narg = narg->nd_next;
}
@ -3699,9 +3701,7 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
case NODE_ARGSPUSH:
ADD_INSN2(ret, nd_line(node), getdynamic, INT2FIX(2), INT2FIX(0));
COMPILE(ret, "rescue/cond splat", narg);
ADD_INSN1(ret, nd_line(node), checkincludearray, Qtrue);
ADD_INSN(ret, nd_line(node), swap);
ADD_INSN(ret, nd_line(node), pop);
ADD_INSN1(ret, nd_line(node), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_RESCUE | VM_CHECKMATCH_ARRAY));
ADD_INSNL(ret, nd_line(node), branchif, label_hit);
break;
default:
@ -3710,10 +3710,9 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
}
}
else {
ADD_INSN1(ret, nd_line(node), putobject,
rb_eStandardError);
ADD_INSN2(ret, nd_line(node), getdynamic, INT2FIX(2), INT2FIX(0));
ADD_SEND(ret, nd_line(node), ID2SYM(idEqq), INT2FIX(1));
ADD_INSN1(ret, nd_line(node), putobject, rb_eStandardError);
ADD_INSN1(ret, nd_line(node), checkmatch, INT2FIX(VM_CHECKMATCH_TYPE_RESCUE));
ADD_INSNL(ret, nd_line(node), branchif, label_hit);
}
ADD_INSNL(ret, nd_line(node), jump, label_miss);

74
insns.def
View file

@ -539,46 +539,6 @@ splatarray
obj = tmp;
}
/**
@c put
@e check value is included in ary
@j 配列 ary に要素 obj が入っているかどうかチェック。case/when で利用する。
*/
DEFINE_INSN
checkincludearray
(VALUE flag)
(VALUE obj, VALUE ary)
(VALUE obj, VALUE result)
{
int i;
result = Qfalse;
if (!RB_TYPE_P(ary, T_ARRAY)) {
ary = rb_Array(ary);
}
if (flag == Qtrue) {
/* NODE_CASE */
for (i = 0; i < RARRAY_LEN(ary); i++) {
/* TODO: fix me (use another method dispatch) */
if (RTEST(rb_funcall2(RARRAY_PTR(ary)[i], idEqq, 1, &obj))) {
result = Qtrue;
break;
}
}
}
else {
obj = Qfalse;
/* NODE_WHEN */
for (i = 0; i < RARRAY_LEN(ary); i++) {
if (RTEST(RARRAY_PTR(ary)[i])) {
obj = result = Qtrue;
break;
}
}
}
}
/**
@c put
@e put new Hash.
@ -857,6 +817,40 @@ defined
}
}
/**
@c setting
@e check `target' matches `pattern'.
`flag & VM_CHECKMATCH_TYPE_MASK' describe how to check pattern.
VM_CHECKMATCH_TYPE_WHEN: ignore target and check pattern is truthy.
VM_CHECKMATCH_TYPE_CASE: check `patten === target'.
VM_CHECKMATCH_TYPE_RESCUE: check `pattern.kind_op?(Module) && pattern == target'.
if `flag & VM_CHECKMATCH_ARRAY' is not 0, then `patten' is array of patterns.
@j see above comments.
*/
DEFINE_INSN
checkmatch
(rb_num_t flag)
(VALUE target, VALUE pattern)
(VALUE result)
{
result = Qfalse;
if (flag & VM_CHECKMATCH_ARRAY) {
int i;
for (i = 0; i < RARRAY_LEN(pattern); i++) {
if (RTEST(check_match(RARRAY_PTR(pattern)[i], target, flag & VM_CHECKMATCH_TYPE_MASK))) {
result = Qtrue;
break;
}
}
}
else {
if (RTEST(check_match(pattern, target, flag & VM_CHECKMATCH_TYPE_MASK))) {
result = Qtrue;
}
}
}
/**
@c setting
@e trace

4
iseq.c
View file

@ -21,8 +21,8 @@
#include "insns.inc"
#include "insns_info.inc"
#define ISEQ_MAJOR_VERSION 1
#define ISEQ_MINOR_VERSION 2
#define ISEQ_MAJOR_VERSION 2
#define ISEQ_MINOR_VERSION 0
VALUE rb_cISeq;

20
test/ruby/test_exception.rb
View file

@ -431,4 +431,24 @@ end.join
ensure
t.close(true) if t
end
Bug4438 = '[ruby-core:35364]'
def test_rescue_single_argument
assert_raise(TypeError, Bug4438) do
begin
raise
rescue 1
end
end
end
def test_rescue_splat_argument
assert_raise(TypeError, Bug4438) do
begin
raise
rescue *Array(1)
end
end
end
end

10
vm_core.h
View file

@ -598,6 +598,16 @@ typedef struct {
} rb_binding_t;
/* used by compile time and send insn */
enum vm_check_match_type {
VM_CHECKMATCH_TYPE_WHEN = 1,
VM_CHECKMATCH_TYPE_CASE = 2,
VM_CHECKMATCH_TYPE_RESCUE = 3
};
#define VM_CHECKMATCH_TYPE_MASK 0x03
#define VM_CHECKMATCH_ARRAY 0x04
#define VM_CALL_ARGS_SPLAT_BIT (0x01 << 1)
#define VM_CALL_ARGS_BLOCKARG_BIT (0x01 << 2)
#define VM_CALL_FCALL_BIT (0x01 << 3)

19
vm_insnhelper.c
View file

@ -1848,3 +1848,22 @@ rb_vm_using_modules(NODE *cref, VALUE klass)
}
}
static VALUE
check_match(VALUE pattern, VALUE target, enum vm_check_match_type type)
{
switch (type) {
case VM_CHECKMATCH_TYPE_WHEN:
return pattern;
case VM_CHECKMATCH_TYPE_CASE:
return rb_funcall2(pattern, idEqq, 1, &target);
case VM_CHECKMATCH_TYPE_RESCUE: {
if (!rb_obj_is_kind_of(pattern, rb_cModule)) {
rb_raise(rb_eTypeError, "class or module required for rescue clause");
}
return RTEST(rb_funcall2(pattern, idEqq, 1, &target));
}
default:
rb_bug("check_match: unreachable");
}
}