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proc.c: recursion loop

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* proc.c (rb_block_min_max_arity, rb_method_entry_min_max_arity):
  turn loop by recursion into goto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58505 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-04-29 10:27:46 +00:00
parent 4bf532ad97
commit 8a7419814c
1 changed files with 6 additions and 2 deletions
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8
proc.c
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@ -928,11 +928,13 @@ rb_iseq_min_max_arity(const rb_iseq_t *iseq, int *max)
static int static int
rb_block_min_max_arity(const struct rb_block *block, int *max) rb_block_min_max_arity(const struct rb_block *block, int *max)
{ {
again:
switch (vm_block_type(block)) { switch (vm_block_type(block)) {
case block_type_iseq: case block_type_iseq:
return rb_iseq_min_max_arity(rb_iseq_check(block->as.captured.code.iseq), max); return rb_iseq_min_max_arity(rb_iseq_check(block->as.captured.code.iseq), max);
case block_type_proc: case block_type_proc:
return rb_block_min_max_arity(vm_proc_block(block->as.proc), max); block = vm_proc_block(block->as.proc);
goto again;
case block_type_ifunc: case block_type_ifunc:
{ {
const struct vm_ifunc *ifunc = block->as.captured.code.ifunc; const struct vm_ifunc *ifunc = block->as.captured.code.ifunc;
@ -2223,6 +2225,7 @@ rb_method_entry_min_max_arity(const rb_method_entry_t *me, int *max)
{ {
const rb_method_definition_t *def = me->def; const rb_method_definition_t *def = me->def;
again:
if (!def) return *max = 0; if (!def) return *max = 0;
switch (def->type) { switch (def->type) {
case VM_METHOD_TYPE_CFUNC: case VM_METHOD_TYPE_CFUNC:
@ -2239,7 +2242,8 @@ rb_method_entry_min_max_arity(const rb_method_entry_t *me, int *max)
case VM_METHOD_TYPE_IVAR: case VM_METHOD_TYPE_IVAR:
return *max = 0; return *max = 0;
case VM_METHOD_TYPE_ALIAS: case VM_METHOD_TYPE_ALIAS:
return rb_method_entry_min_max_arity(def->body.alias.original_me, max); def = def->body.alias.original_me->def;
goto again;
case VM_METHOD_TYPE_BMETHOD: case VM_METHOD_TYPE_BMETHOD:
return rb_proc_min_max_arity(def->body.proc, max); return rb_proc_min_max_arity(def->body.proc, max);
case VM_METHOD_TYPE_ISEQ: case VM_METHOD_TYPE_ISEQ: