зеркало из https://github.com/github/ruby.git
vm_insnhelper.c: reuse VM stack
* vm_insnhelper.c (vm_method_missing, vm_call_method): reuse arguments on the VM stack and get rid of ALLOCA. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36952 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,8 @@
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Wed Sep 12 22:59:07 2012 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* vm_insnhelper.c (vm_method_missing, vm_call_method): reuse arguments
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on the VM stack and get rid of ALLOCA.
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Wed Sep 12 22:45::00 2012 Zachary Scott <zzak@ruby-lang.org>
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* ext/pathname/lib/pathname.rb: Documentation for Pathname.
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@ -473,25 +473,19 @@ vm_call_bmethod(rb_thread_t *th, VALUE recv, int argc, const VALUE *argv,
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return val;
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}
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static inline void
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vm_method_missing_args(rb_thread_t *th, VALUE *argv,
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int num, const rb_block_t *blockptr, int opt)
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{
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rb_control_frame_t * const reg_cfp = th->cfp;
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MEMCPY(argv, STACK_ADDR_FROM_TOP(num + 1), VALUE, num + 1);
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th->method_missing_reason = opt;
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th->passed_block = blockptr;
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POPN(num + 1);
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}
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static inline VALUE
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vm_method_missing(rb_thread_t *th, ID id, VALUE recv,
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vm_method_missing(rb_thread_t *th, rb_control_frame_t *const reg_cfp,
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ID id, VALUE recv,
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int num, const rb_block_t *blockptr, int opt)
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{
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VALUE *argv = ALLOCA_N(VALUE, num + 1);
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vm_method_missing_args(th, argv, num, blockptr, opt);
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VALUE ret, *argv = STACK_ADDR_FROM_TOP(num + 1);
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th->method_missing_reason = opt;
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th->passed_block = blockptr;
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argv[0] = ID2SYM(id);
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return rb_funcall2(recv, idMethodMissing, num + 1, argv);
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ret = rb_funcall2(recv, idMethodMissing, num + 1, argv);
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POPN(num + 1);
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return ret;
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}
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static inline void
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@ -682,11 +676,11 @@ vm_call_method(rb_thread_t *th, rb_control_frame_t *cfp,
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if (flag & VM_CALL_VCALL_BIT) {
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stat |= NOEX_VCALL;
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}
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val = vm_method_missing(th, id, recv, num, blockptr, stat);
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val = vm_method_missing(th, cfp, id, recv, num, blockptr, stat);
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}
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else if (!(flag & VM_CALL_OPT_SEND_BIT) && (me->flag & NOEX_MASK) & NOEX_PROTECTED) {
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if (!rb_obj_is_kind_of(cfp->self, defined_class)) {
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val = vm_method_missing(th, id, recv, num, blockptr, NOEX_PROTECTED);
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val = vm_method_missing(th, cfp, id, recv, num, blockptr, NOEX_PROTECTED);
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}
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else {
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goto normal_method_dispatch;
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@ -711,12 +705,12 @@ vm_call_method(rb_thread_t *th, rb_control_frame_t *cfp,
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stat |= NOEX_SUPER;
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}
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if (id == idMethodMissing) {
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VALUE *argv = ALLOCA_N(VALUE, num);
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vm_method_missing_args(th, argv, num - 1, 0, stat);
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rb_control_frame_t *reg_cfp = cfp;
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VALUE *argv = STACK_ADDR_FROM_TOP(num);
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rb_raise_method_missing(th, num, argv, recv, stat);
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}
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else {
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val = vm_method_missing(th, id, recv, num, blockptr, stat);
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val = vm_method_missing(th, cfp, id, recv, num, blockptr, stat);
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}
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}
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