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#!/usr/bin/env bash
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#
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# Author: Makarius
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#
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# build - build Isabelle/ML
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#
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# Requires proper Isabelle settings environment.
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## diagnostics
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function usage()
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{
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echo
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echo "Usage: $PRG TARGET"
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echo
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echo " Build Isabelle/ML TARGET: RAW or Pure"
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echo
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exit 1
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}
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function fail()
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{
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echo "$1" >&2
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exit 2
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}
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[ -z "$ISABELLE_HOME" ] && fail "Missing Isabelle settings environment"
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## process command line
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TARGET="Pure"
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[ "$#" -ge 1 ] && { TARGET="$1"; shift; }
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[ "$TARGET" = RAW -o "$TARGET" = Pure ] || fail "Bad target: \"$TARGET\""
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[ "$#" -eq 0 ] || usage
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## main
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# get compatibility file
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ML_SYSTEM_BASE=$(echo "$ML_SYSTEM" | cut -f1 -d-)
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[ -z "$ML_SYSTEM" ] && fail "Missing ML_SYSTEM settings!"
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COMPAT=""
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[ -f "ML-Systems/${ML_SYSTEM_BASE}.ML" ] && COMPAT="ML-Systems/${ML_SYSTEM_BASE}.ML"
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[ -f "ML-Systems/${ML_SYSTEM}.ML" ] && COMPAT="ML-Systems/${ML_SYSTEM}.ML"
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[ -z "$COMPAT" ] && fail "Missing compatibility file for ML system \"$ML_SYSTEM\"!"
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# run isabelle
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. "$ISABELLE_HOME/lib/scripts/timestart.bash"
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echo "Building $TARGET ..." >&2
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if [ "$TARGET" = RAW ]; then
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"$ISABELLE_PROCESS" \
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-e "use\"$COMPAT\" handle _ => exit 1;" \
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-e "structure Isar = struct fun main () = () end;" \
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-e "ml_prompts \"ML> \" \"ML# \";" \
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-q -w RAW_ML_SYSTEM RAW
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RC="$?"
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else
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"$ISABELLE_PROCESS" \
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-e "(use\"$COMPAT\"; use\"ROOT.ML\") handle _ => exit 1;" \
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-e "ml_prompts \"ML> \" \"ML# \";" \
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-f -q -w RAW_ML_SYSTEM Pure
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RC="$?"
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fi
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. "$ISABELLE_HOME/lib/scripts/timestop.bash"
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if [ "$RC" -eq 0 ]; then
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echo "Finished $TARGET ($TIMES_REPORT)" >&2
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else
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echo "$TARGET FAILED" >&2
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fi
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exit "$RC"
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