[cpp] Remove code made obsolete by last change

oilshell · Aug 31, 2023 · d13435e · d13435e
1 parent ff2ec73
commit d13435e
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Showing 2 changed files with 3 additions and 9 deletions.
diff --git a/cpp/pgen2.cc b/cpp/pgen2.cc
@@ -7,7 +7,7 @@
 namespace pnode {
 
 PNode::PNode(int typ, syntax_asdl::Token* tok, List<PNode*>*)
-    : typ(typ), child_offset(0), tok(tok), children() {
+    : typ(typ), tok(tok), children() {
 }
 
 void PNode::AddChild(PNode* node) {
@@ -19,15 +19,11 @@ PNode* PNode::GetChild(int i) {
   if (j < 0) {
     j += NumChildren();
   }
-  return children[child_offset + j];
+  return children[j];
 }
 
 int PNode::NumChildren() {
-  return children.size() - child_offset;
-}
-
-void PNode::Advance(int n) {
-  child_offset += n;
+  return children.size();
 }
 
 PNodeAllocator::PNodeAllocator() : arena_(new std::vector<PNode>()) {

diff --git a/cpp/pgen2.h b/cpp/pgen2.h
@@ -58,10 +58,8 @@ class PNode {
   void AddChild(PNode* node);
   PNode* GetChild(int i);
   int NumChildren();
-  void Advance(int n);
 
   int typ;
-  int child_offset;
   syntax_asdl::Token* tok;
   std::vector<PNode*> children;
 };