#!/usr/bin/env bash
# #60 re-export -- headless Ghidra: analyze BTL4OPT.EXE, fill the dark regions
# (ExportGaps.java), and write a full pseudocode export we can diff against the
# canonical one.
#
#   tools/ghidra_reexport.sh            # first run: import + full auto-analysis
#   tools/ghidra_reexport.sh reprocess  # re-run the script on the saved project
#
# Output: reference/decomp/reexport/{all/part_*.c, functions_index.tsv,
#         vtables.tsv, gapfill_report.tsv, headless.log}
# Score it with:  python tools/gapcensus.py reference/decomp/reexport
set -e

# NB: Ghidra's launcher .bat uses %JAVA_HOME% UNQUOTED, so a space anywhere in
# these paths kills it ("'C:\Users\Joe' is not recognized").  The tools live under
# the user profile (space in "Joe Laptop"), so use the 8.3 SHORT forms.
TOOLS="/c/Users/JOELAP~1/AppData/Local/BT411-~1"
GHIDRA="$TOOLS/GHIDRA~1.2_P"
export JAVA_HOME='C:\Users\JOELAP~1\AppData\Local\BT411-~1\JDK-21~1.12_'
PROJDIR="$TOOLS/ghidra_projects"
PROJ="BT411"

OUT_W='C:\git\bt411\reference\decomp\reexport'
SCRIPTS_W='C:\git\bt411\reference\ghidra_scripts'
EXE_W='C:\git\bt411\content\BTL4OPT.EXE'
PROJDIR_W="$(cygpath -w "$PROJDIR")"
LOG_W='C:\git\bt411\reference\decomp\reexport\headless.log'

mkdir -p "$PROJDIR" /c/git/bt411/reference/decomp/reexport

if [ ! -x "$GHIDRA/support/analyzeHeadless.bat" ] && [ ! -f "$GHIDRA/support/analyzeHeadless.bat" ]; then
  echo "ghidra not found at $GHIDRA" >&2; exit 1
fi
"$TOOLS/JDK-21~1.12_/bin/java.exe" -version 2>&1 | head -1

if [ "$1" = "reprocess" ]; then
  MODE=(-process BTL4OPT.EXE -noanalysis)
else
  MODE=(-import "$EXE_W")
fi

echo "== analyzeHeadless: ${MODE[0]} =="
"$GHIDRA/support/analyzeHeadless.bat" "$PROJDIR_W" "$PROJ" \
  "${MODE[@]}" \
  -scriptPath "$SCRIPTS_W" \
  -postScript ExportGaps.java "$OUT_W" \
  -log "$LOG_W"

echo "== done; scoring =="
python /c/git/bt411/tools/gapcensus.py /c/git/bt411/reference/decomp/reexport | tail -3