simdjson/amalgamation.sh

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#!/bin/bash
########################################################################
# Generates an "amalgamation build" for roaring. Inspired by similar
# script used by whefs.
########################################################################
SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
echo "We are about to amalgamate all simdjson files into one source file. "
echo "See https://www.sqlite.org/amalgamation.html and https://en.wikipedia.org/wiki/Single_Compilation_Unit for rationale. "
AMAL_H="simdjson.h"
AMAL_C="simdjson.cpp"
# order does not matter
ALLCFILES="
$SCRIPTPATH/src/simdjson.cpp
$SCRIPTPATH/src/jsonioutil.cpp
$SCRIPTPATH/src/jsonminifier.cpp
$SCRIPTPATH/src/jsonparser.cpp
$SCRIPTPATH/include/simdjson/stage1_find_marks_flatten_haswell.h
$SCRIPTPATH/src/stage1_find_marks.cpp
$SCRIPTPATH/src/stage2_build_tape.cpp
$SCRIPTPATH/src/parsedjson.cpp
$SCRIPTPATH/src/parsedjsoniterator.cpp
"
# order matters
ALLCHEADERS="
$SCRIPTPATH/include/simdjson/simdjson_version.h
$SCRIPTPATH/include/simdjson/portability.h
$SCRIPTPATH/include/simdjson/isadetection.h
$SCRIPTPATH/include/simdjson/simdjson.h
$SCRIPTPATH/include/simdjson/common_defs.h
$SCRIPTPATH/include/simdjson/padded_string.h
$SCRIPTPATH/include/simdjson/jsoncharutils.h
$SCRIPTPATH/include/simdjson/jsonformatutils.h
$SCRIPTPATH/include/simdjson/jsonioutil.h
$SCRIPTPATH/include/simdjson/simdprune_tables.h
$SCRIPTPATH/include/simdjson/simdutf8check_haswell.h
$SCRIPTPATH/include/simdjson/simdutf8check_westmere.h
$SCRIPTPATH/include/simdjson/simdutf8check_arm64.h
$SCRIPTPATH/include/simdjson/jsonminifier.h
$SCRIPTPATH/include/simdjson/parsedjson.h
$SCRIPTPATH/include/simdjson/stage1_find_marks.h
$SCRIPTPATH/include/simdjson/stage1_find_marks_westmere.h
$SCRIPTPATH/include/simdjson/stage1_find_marks_haswell.h
$SCRIPTPATH/include/simdjson/stage1_find_marks_arm64.h
$SCRIPTPATH/include/simdjson/stringparsing.h
$SCRIPTPATH/include/simdjson/stringparsing_westmere.h
$SCRIPTPATH/include/simdjson/stringparsing_haswell.h
$SCRIPTPATH/include/simdjson/stringparsing_arm64.h
$SCRIPTPATH/include/simdjson/numberparsing.h
$SCRIPTPATH/include/simdjson/stage2_build_tape.h
$SCRIPTPATH/include/simdjson/jsonparser.h
"
for i in ${ALLCHEADERS} ${ALLCFILES}; do
test -e $i && continue
echo "FATAL: source file [$i] not found."
exit 127
done
function dofile()
{
# Last lines are always ignored. Files should end by an empty lines.
RELFILE=${1#"$SCRIPTPATH/"}
echo "/* begin file $RELFILE */"
# echo "#line 8 \"$1\"" ## redefining the line/file is not nearly as useful as it sounds for debugging. It breaks IDEs.
while IFS= read -r line
do
if [[ "${line}" == '#include "simdjson'* ]]; then
# we paste the contents of simdjson header files with names ending by _common.h
# we ignore every other simdjson headers
if [[ "${line}" == '#include "simdjson/'*'_common.h"'* ]]; then
file=$(echo $line| cut -d'"' -f 2)
echo "$(<include/$file)" # we assume those files are always in include/
fi
else
# Otherwise we simply copy the line
echo "$line"
fi;
done < "$1"
echo "/* end file $RELFILE */"
}
timestamp=$(date)
echo "Creating ${AMAL_H}..."
echo "/* auto-generated on ${timestamp}. Do not edit! */" > "${AMAL_H}"
{
for h in ${ALLCHEADERS}; do
dofile $h
done
} >> "${AMAL_H}"
echo "Creating ${AMAL_C}..."
echo "/* auto-generated on ${timestamp}. Do not edit! */" > "${AMAL_C}"
{
echo "#include \"${AMAL_H}\""
echo ""
echo "/* used for http://dmalloc.com/ Dmalloc - Debug Malloc Library */"
echo "#ifdef DMALLOC"
echo "#include \"dmalloc.h\""
echo "#endif"
echo ""
for h in ${ALLCFILES}; do
dofile $h
done
} >> "${AMAL_C}"
DEMOCPP="amalgamation_demo.cpp"
echo "Creating ${DEMOCPP}..."
echo "/* auto-generated on ${timestamp}. Do not edit! */" > "${DEMOCPP}"
cat <<< '
#include <iostream>
#include "simdjson.h"
#include "simdjson.cpp"
int main(int argc, char *argv[]) {
if(argc < 2) {
std::cerr << "Please specify a filename " << std::endl;
}
const char * filename = argv[1];
simdjson::padded_string p = simdjson::get_corpus(filename);
simdjson::ParsedJson pj = simdjson::build_parsed_json(p); // do the parsing
if( ! pj.is_valid() ) {
std::cout << "not valid" << std::endl;
} else {
std::cout << "valid" << std::endl;
}
return EXIT_SUCCESS;
}
' >> "${DEMOCPP}"
echo "Done with all files generation. "
echo "Files have been written to directory: $PWD "
ls -la ${AMAL_C} ${AMAL_H} ${DEMOCPP}
echo "Giving final instructions:"
CPPBIN=${DEMOCPP%%.*}
echo "Try :"
echo "c++ -O3 -std=c++17 -o ${CPPBIN} ${DEMOCPP} && ./${CPPBIN} ../jsonexamples/twitter.json "
SINGLEHDR=$SCRIPTPATH/singleheader
echo "Copying files to $SCRIPTPATH/singleheader "
mkdir -p $SINGLEHDR
echo "c++ -O3 -std=c++17 -o ${CPPBIN} ${DEMOCPP} && ./${CPPBIN} ../jsonexamples/twitter.json " > $SINGLEHDR/README.md
cp ${AMAL_C} ${AMAL_H} ${DEMOCPP} $SINGLEHDR
ls $SINGLEHDR
cd $SINGLEHDR && c++ -O3 -std=c++17 -o ${CPPBIN} ${DEMOCPP} && ./${CPPBIN} ../jsonexamples/twitter.json
lowercase(){
echo "$1" | tr 'A-Z' 'a-z'
}
OS=`lowercase \`uname\``