#!/bin/bash
# Builds jetc itself (if needed), compiles a .jet file to C++, and links the
# result into a standalone executable against CoreUtils + the JetCore
# runtime (everything jet-2.0 itself links against, minus jet-2.0.cpp's own
# main() - the compiled program brings its own).
#
# Usage: ./build-compiled.sh <input.jet> <output-binary-name>

set -e
JC="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
CU="$JC/../CoreUtils"
HERE="$JC/jetc"

if [ $# -ne 2 ]; then
   echo "usage: $0 <input.jet> <output-binary-name>"
   exit 1
fi

INPUT="$1"
OUTNAME="$2"

if [ ! -x "$HERE/jetc" ]; then
   echo "Building jetc..."
   g++ -g -std=c++23 -o "$HERE/jetc" "$HERE/jetc.cpp" "$HERE/JetParser.cpp" "$HERE/JetCodegen.cpp"
fi

echo "Compiling $INPUT -> $OUTNAME.compiled.cpp"
"$HERE/jetc" "$INPUT" "$HERE/$OUTNAME.compiled.cpp"

echo "Building JetCore runtime objects (everything Tag::interpretSpan's fallback path may need)..."
list=""
for f in "$JC"/*.cpp; do
   base=$(basename "$f")
   if [ "$base" = "jet-2.0.cpp" ]; then continue; fi
   obj="$HERE/${base%.cpp}.o"
   if [ ! -f "$obj" ]; then
      g++ -g -c -std=c++23 -I"$CU" -I"$JC" "$f" -o "$obj" &
   fi
   list="$list $obj"
done
wait

g++ -g -c -std=c++23 -I"$CU" -I"$JC" "$HERE/$OUTNAME.compiled.cpp" -o "$HERE/$OUTNAME.compiled.o"
g++ -g -o "$HERE/$OUTNAME" "$HERE/$OUTNAME.compiled.o" $list -std=c++23 -L"$CU" -lCoreUtils -lmysqlclient -lcrypto

echo "Built $HERE/$OUTNAME"