Add main IDA driver for decompiled normalization

scripting/ida-extraction-scripts/clang-parser/ida-normalizer-wrapper.sh

+#!/bin/bash
+
+if [ $# -eq 0 ]; then
+  echo "No arguments supplied"
+  exit 1
+fi
+
+filename=$1
+iteration=0
+max_iteration=15
+
+# Invoke a script which performs ad-hoc normalization for this decompiled output.
+./ida-normalizer-pre.sh $filename
+
+# First invocation of the compiler
+clang-7 -ferror-limit=0 -S -emit-llvm -w $filename &> clang.log
+
+# While we have errors output from the compiler, continue our fixed-point purge.
+while [ -s clang.log ]; do
+
+  # Invoke the script that, on the basis of the compiler output generated at the previous iteration, purges the decompiled file.
+  ./ida-normalizer.sh $filename clang.log
+
+  # Invoke the compiler.
+  clang-7 -ferror-limit=0 -S -emit-llvm -w $filename &> clang.log
+  iteration=$((iteration + 1))
+
+  # Exit if we did not reach stability in an high number of runs (cheap way to detect instability).
+  if [ "$iteration" -gt "$max_iteration" ]; then
+    echo "Stability not reached"
+    break
+  fi
+done
+
+# Finally, create the output adding an adequate suffix.
+cp $filename $filename.normalized.c