Experiment with replacing textual representation in classfile with method that builds the model

script2.sh

@@ -0,0 +1,21 @@
+#!/bin/zsh
+
+babylon_dir=$PWD
+target_file="$babylon_dir/b.csv"
+echo "" > $target_file
+echo "writing data to $target_file ..."
+for fp in `find hat/build/hat-example*classes -name "*.class"`; do \
+  fdir=$(dirname $fp)
+  cp test/jdk/java/lang/reflect/code/writer/OpFieldToMethodBuilder.java $fdir
+  cd $fdir
+  pkgName=$(dirname $(sed 's#^.*classes/\(.*\)#\1#g'<<< $fp) | sed 's#/#.#g')
+  echo "package $pkgName;" > tmp && cat OpFieldToMethodBuilder.java >> tmp && mv tmp OpFieldToMethodBuilder.java
+  # we want example_name/../class_file
+  example_name=$(sed 's#^.*classes/\(.*\)#\1#g'<<< $fp | sed 's#/#.#g')
+  java --enable-preview -ea OpFieldToMethodBuilder.java $(basename $fp) | awk "{\$1=\"$example_name\"; print}" OFS=, >> $target_file
+  rm OpFieldToMethodBuilder.java
+  cd $babylon_dir
+; done
+awk '!seen[$0]++' $target_file > tmp && mv tmp $target_file
+awk -F ',' '$2 < $3' $target_file > tmp && mv tmp $target_file
+echo "classfile, original_size, new_size" > tmp && cat $target_file >> tmp && mv tmp $target_file