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* compile.c (iseq_compile_each): "a[*b] += 1" dumps core.

a patch from Yusuke ENDOH <mame AT tsg.ne.jp>.  [ruby-dev:32354]
* bootstraptest/test_syntax.rb: add a test for above.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14032 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
ko1 2007-11-27 06:45:01 +00:00
parent b0986a8f82
commit 1bed0ccca8
3 changed files with 105 additions and 75 deletions

View file

@ -1,3 +1,10 @@
Tue Nov 27 15:40:05 2007 Koichi Sasada <ko1@atdot.net>
* compile.c (iseq_compile_each): "a[*b] += 1" dumps core.
a patch from Yusuke ENDOH <mame AT tsg.ne.jp>. [ruby-dev:32354]
* bootstraptest/test_syntax.rb: add a test for above.
Tue Nov 27 12:47:23 2007 Koichi Sasada <ko1@atdot.net>
* compile.c, insns.def: change return value of "defined?"

View file

@ -608,3 +608,7 @@ assert_equal '3', %q{
p(1, (redo; 2))
end)
}
assert_equal '1', %q{
a = [0]
a[*a]+=1
}

169
compile.c
View file

@ -3299,41 +3299,46 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
ID2SYM(node->nd_vid));
break;
}
case NODE_OP_ASGN1:{
DECL_ANCHOR(args);
int argc;
ID id = node->nd_mid;
case NODE_OP_ASGN1: {
DECL_ANCHOR(args);
VALUE argc;
unsigned long flag = 0;
ID id = node->nd_mid;
/*
* a[x] (op)= y
*
* eval a # a
* eval x # a x
* dupn 2 # a x a x
* send :[] # a x a[x]
* eval y # a x a[x] y
* send op # a x a[x]+y
* send []= # ret
*/
/*
* a[x] (op)= y
*
* eval a # a
* eval x # a x
* dupn 2 # a x a x
* send :[] # a x a[x]
* eval y # a x a[x] y
* send op # a x a[x]+y
* send []= # ret
*/
/*
* nd_recv[nd_args->nd_body] (nd_mid)= nd_args->nd_head;
* NODE_OP_ASGN nd_recv
* nd_args->nd_head
* nd_args->nd_body
* nd_mid
*/
/*
* nd_recv[nd_args->nd_body] (nd_mid)= nd_args->nd_head;
* NODE_OP_ASGN nd_recv
* nd_args->nd_head
* nd_args->nd_body
* nd_mid
*/
INIT_ANCHOR(args);
COMPILE(ret, "NODE_OP_ASGN1 recv", node->nd_recv);
argc = compile_array(iseq, args, node->nd_args->nd_body, Qfalse);
POP_ELEMENT(args);
ADD_SEQ(ret, args);
ADD_INSN1(ret, nd_line(node), dupn, INT2FIX(argc+1));
ADD_SEND(ret, nd_line(node), ID2SYM(idAREF), INT2FIX(argc));
COMPILE(ret, "NODE_OP_ASGN1 recv", node->nd_recv);
if (nd_type(node->nd_args->nd_body) != NODE_ZARRAY) {
INIT_ANCHOR(args);
argc = setup_args(iseq, args, node->nd_args->nd_body, &flag);
ADD_SEQ(ret, args);
}
else {
argc = FIX2INT(0);
}
ADD_INSN1(ret, nd_line(node), dupn, INT2FIX(FIX2INT(argc)+1));
ADD_SEND_R(ret, nd_line(node), ID2SYM(idAREF), argc, Qfalse, LONG2FIX(flag));
if (id == 0 || id == 1) {
/* 0: or, 1: and
if (id == 0 || id == 1) {
/* 0: or, 1: and
a[x] ||= y
unless/if a[x]
@ -3341,53 +3346,67 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
else
nil
end
*/
LABEL *label = NEW_LABEL(nd_line(node));
LABEL *lfin = NEW_LABEL(nd_line(node));
*/
LABEL *label = NEW_LABEL(nd_line(node));
LABEL *lfin = NEW_LABEL(nd_line(node));
if (id == 0) {
/* or */
ADD_INSN(ret, nd_line(node), dup);
ADD_INSNL(ret, nd_line(node), branchif, label);
ADD_INSN(ret, nd_line(node), pop);
}
else {
/* and */
ADD_INSNL(ret, nd_line(node), branchunless, label);
}
if (id == 0) {
/* or */
ADD_INSN(ret, nd_line(node), dup);
ADD_INSNL(ret, nd_line(node), branchif, label);
ADD_INSN(ret, nd_line(node), pop);
}
else {
/* and */
ADD_INSNL(ret, nd_line(node), branchunless, label);
}
COMPILE(ret, "NODE_OP_ASGN1 args->head: ",
node->nd_args->nd_head);
ADD_SEND(ret, nd_line(node), ID2SYM(idASET),
INT2FIX(argc + 1));
ADD_INSNL(ret, nd_line(node), jump, lfin);
ADD_LABEL(ret, label);
if (id == 0) { /* or */
ADD_INSN(ret, nd_line(node), swap);
ADD_INSN(ret, nd_line(node), pop);
ADD_INSN(ret, nd_line(node), swap);
ADD_INSN(ret, nd_line(node), pop);
}
else if (id == 1) { /* and */
ADD_INSN(ret, nd_line(node), pop);
ADD_INSN(ret, nd_line(node), pop);
ADD_INSN(ret, nd_line(node), putnil);
}
ADD_LABEL(ret, lfin);
}
else {
COMPILE(ret, "NODE_OP_ASGN1 args->head: ",
node->nd_args->nd_head);
ADD_SEND(ret, nd_line(node), ID2SYM(id), INT2FIX(1));
ADD_SEND(ret, nd_line(node), ID2SYM(idASET),
INT2FIX(argc + 1));
}
COMPILE(ret, "NODE_OP_ASGN1 args->head: ", node->nd_args->nd_head);
if (flag & VM_CALL_ARGS_SPLAT_BIT) {
ADD_INSN1(ret, nd_line(node), newarray, INT2FIX(1));
ADD_INSN(ret, nd_line(node), concatarray);
ADD_SEND_R(ret, nd_line(node), ID2SYM(idASET),
argc, Qfalse, LONG2FIX(flag));
}
else {
ADD_SEND_R(ret, nd_line(node), ID2SYM(idASET),
INT2FIX(FIX2INT(argc) + 1), Qfalse, LONG2FIX(flag));
}
ADD_INSNL(ret, nd_line(node), jump, lfin);
ADD_LABEL(ret, label);
if (id == 0) { /* or */
ADD_INSN(ret, nd_line(node), swap);
ADD_INSN(ret, nd_line(node), pop);
ADD_INSN(ret, nd_line(node), swap);
ADD_INSN(ret, nd_line(node), pop);
}
else if (id == 1) { /* and */
ADD_INSN(ret, nd_line(node), pop);
ADD_INSN(ret, nd_line(node), pop);
ADD_INSN(ret, nd_line(node), putnil);
}
ADD_LABEL(ret, lfin);
}
else {
COMPILE(ret, "NODE_OP_ASGN1 args->head: ", node->nd_args->nd_head);
ADD_SEND(ret, nd_line(node), ID2SYM(id), INT2FIX(1));
if (flag & VM_CALL_ARGS_SPLAT_BIT) {
ADD_INSN1(ret, nd_line(node), newarray, INT2FIX(1));
ADD_INSN(ret, nd_line(node), concatarray);
ADD_SEND_R(ret, nd_line(node), ID2SYM(idASET),
argc, Qfalse, LONG2FIX(flag));
}
else {
ADD_SEND_R(ret, nd_line(node), ID2SYM(idASET),
INT2FIX(FIX2INT(argc) + 1), Qfalse, LONG2FIX(flag));
}
}
if (poped) {
ADD_INSN(ret, nd_line(node), pop);
}
if (poped) {
ADD_INSN(ret, nd_line(node), pop);
}
break;
break;
}
case NODE_OP_ASGN2:{
ID atype = node->nd_next->nd_mid;
@ -3663,7 +3682,7 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
for (j=0; j<post_len; j++) {
int idx = liseq->local_size - (post_start + j);
ADD_INSN1(args, nd_line(node), getlocal, INT2FIX(idx));
}
}
ADD_INSN1(args, nd_line(node), newarray, INT2FIX(j));
ADD_INSN (args, nd_line(node), concatarray);
/* argc is setteled at above */