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oot/tools/preprocess.sh
cadmic bdb3656af9
Use iconv from Homebrew on macOS (#2374)
* Use iconv from Homebrew on macOS

* Use `brew --prefix`
2024-12-15 17:53:07 -05:00

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#!/usr/bin/env bash
# SPDX-FileCopyrightText: © 2024 ZeldaRET
# SPDX-License-Identifier: CC0-1.0
# Usage: preprocess [flags] -- [compile command minus input file...] [single input file]
# Flags:
# -v OOT_VERSION (required)
# -i ICONV_PATH (optional, default: iconv)
# Preprocess a C file to:
# * Re-encode from UTF-8 to EUC-JP
# (the repo uses UTF-8 for text encoding, but the strings in the ROM are encoded in EUC-JP)
# * Replace `#pragma increment_block_number` (see preprocess_pragma)
set -e
set -o pipefail
if [ "${VERBOSE-}" ]
then
set -x
fi
for i in `seq ${#@}`
do
if [[ "${!i}" = '--' ]]
then
# flags before --
flags=("${@:1:$(($i - 1))}")
# compile command, between -- and the input source file
compilecmd="${@:$(($i + 1)):$((${#@} - $i - 1))}"
# The last argument, the input source file to be compiled
srcfile="${@: -1}"
break
fi
done
if [ "${VERBOSE-}" ]
then
echo flags="${flags[@]}"
echo compilecmd="$compilecmd"
echo srcfile="$srcfile"
fi
ICONV=iconv
while getopts "v:i:" opt "${flags[@]}"
do
case $opt in
v)
OOT_VERSION=$OPTARG
;;
i)
ICONV=$OPTARG
;;
?)
echo "Error: Bad flags"
exit 1
;;
esac
done
if [[ "${!OPTIND}" != '--' ]]
then
echo "Error: Positional arguments in flags not allowed"
exit 1
fi
if [ -z "${OOT_VERSION-}" ]
then
echo Missing -v
exit
fi
# Create a temporary directory, and remove it on script exit
# We use a temp dir instead of a temp file because ido_block_numbers.py and fix_bss.py
# need the symbol table .T file from IDO, which is always named like the input file.
# So we use a file named like the original input file, inside a temp dir.
tempdir=`mktemp -d`
tempfile=$tempdir/`basename $srcfile`
trap "rm -rf $tempdir" EXIT
# Preprocess pragmas and re-encode from UTF-8 to EUC-JP
{
printf '#line 1 "%s"\n' "$srcfile" # linemarker
./tools/preprocess_pragmas $OOT_VERSION "$srcfile" < "$srcfile"
} | "${ICONV}" -f UTF-8 -t EUC-JP > "$tempfile"
# Also include the source file's directory to have the include path as if we compiled the original source.
# Pass the processed temporary file for compilation.
$compilecmd -I `dirname $srcfile` $tempfile