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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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# DESCRIPTION: Proof General / Emacs interface wrapper
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## diagnostics
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function fail()
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{
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echo "$1" >&2
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exit 2
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}
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## main
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[ -z "$PROOFGENERAL_HOME" ] && fail "Missing Proof General installation (PROOFGENERAL_HOME)"
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INTERFACE="$PROOFGENERAL_HOME/isar/interface"
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[ ! -x "$INTERFACE" ] && fail "Bad interface script: \"$INTERFACE\""
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#legacy settings
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export ISABELLE="$ISABELLE_PROCESS"
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export ISATOOL="$ISABELLE_TOOL"
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exec "$INTERFACE" "$@"
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