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#!/bin/sh
#
# Generate internal functions file content based on the provided extensions.
#
# SYNOPSIS:
# genif.sh <template> <extensions>
#
# ARGUMENTS:
# template Path to internal functions template file.
# extensions Space delimited list of provided extensions and their locations.
#
# ENVIRONMENT:
# The following optional variables are supported:
#
# AWK Path to the awk program or its command name.
# AWK=/path/to/awk genif.sh ...
#
# USAGE EXAMPLE:
# AWK=nawk ./build/genif.sh ./main/internal_functions.c.in "date;ext/date spl;ext/spl" > ./main/internal_functions.c
AWK=${AWK:-awk}
template=$1
shift
extensions="$@"
if test -z "$template"; then
echo "Please supply template." >&2
exit 1
fi
header_list=
olddir=$(pwd)
# Go to project root.
cd $(CDPATH= cd -- "$(dirname -- "$0")/../" && pwd -P)
module_ptrs="$(echo $extensions | $AWK -f ./build/order_by_dep.awk)"
for ext in $extensions; do
ext_dir=$(echo "$ext" | cut -d ';' -f 2)
header_list="$header_list $ext_dir/*.h*"
done
includes=$($AWK -f ./build/print_include.awk $header_list)
cd $olddir
cat $template | \
sed \
-e "s'@EXT_INCLUDE_CODE@'$includes'" \
-e "s'@EXT_MODULE_PTRS@'$module_ptrs'" \
-e 's/@NEWLINE@/\
/g'
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