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#!/usr/bin/env bash
###
### typecheck a given target
###
### > typecheck.sh <target..>
###
### Uses repl.sh to provision the environment for target, then runs the
### appropriate typechecker for the given module.
###
help() {
sed -rn 's/^### ?//;T;p' "$0"
}
if [[ $# == 0 ]] || [[ "$1" == "-h" ]]; then
help
exit 1
fi
target="$1"
# Determine file extension
ext="${target##*.}"
case "$ext" in
py)
# Python: use mypy via repl.sh environment
repl.sh --cmd "python -m mypy $target" "$target"
;;
hs)
# Haskell: use ghc -fno-code for typechecking without code generation
# Use repl.sh to provision the right GHC environment with dependencies
repl.sh --cmd "ghc -fno-code -i${CODEROOT:?} $target" "$target"
;;
*)
echo "Unknown file extension: $ext"
echo "Typechecking not supported for this file type"
exit 1
;;
esac
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