Method AppendBlock

paddle/fluid/framework/program_desc.cc:30–36

namespace paddle::framework {

BlockDesc *ProgramDesc::AppendBlock(const BlockDesc &parent) {
  auto *b = desc_.add_blocks();
  b->set_parent_idx(parent.ID());
  b->set_idx(desc_.blocks_size() - 1);
  blocks_.emplace_back(new BlockDesc(this, b));
  return blocks_.back().get();
}

void ProgramDesc::Flush() {
  for (auto &block : blocks_) {