Make parser_params have parent_iseq instead of base_block

The parser needs to determine whether a local varaiable is defined or
not in outer scope.  For the sake, "base_block" field has kept the outer
block.

However, the whole block was actually unneeded; the parser used only
base_block->iseq.

So, this change lets parser_params have the iseq directly, instead of
the whole block.

1 files changed, 4 insertions, 8 deletions

diff --git a/compile.c b/compile.c
index 78d2fd4dd0..7a88f81daa 100644
--- a/compile.c
+++ b/compile.c
@@ -9123,11 +9123,9 @@ rb_iseq_build_from_ary(rb_iseq_t *iseq, VALUE misc, VALUE locals, VALUE params,
 /* for parser */
 
 int
-rb_dvar_defined(ID id, const struct rb_block *base_block)
+rb_dvar_defined(ID id, const rb_iseq_t *iseq)
 {
-    const rb_iseq_t *iseq;
-
-    if (base_block && (iseq = vm_block_iseq(base_block)) != NULL) {
+    if (iseq) {
 	const struct rb_iseq_constant_body *body = iseq->body;
 	while (body->type == ISEQ_TYPE_BLOCK ||
 	       body->type == ISEQ_TYPE_RESCUE ||
@@ -9150,11 +9148,9 @@ rb_dvar_defined(ID id, const struct rb_block *base_block)
 }
 
 int
-rb_local_defined(ID id, const struct rb_block *base_block)
+rb_local_defined(ID id, const rb_iseq_t *iseq)
 {
-    const rb_iseq_t *iseq;
-
-    if (base_block && (iseq = vm_block_iseq(base_block)) != NULL) {
+    if (iseq) {
 	unsigned int i;
 	const struct rb_iseq_constant_body *const body = iseq->body->local_iseq->body;