mirror of
https://github.com/go-gitea/gitea
synced 2024-07-07 10:35:48 +00:00
200 lines
5.8 KiB
Bash
200 lines
5.8 KiB
Bash
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#!/bin/bash
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# _needgen is a helper function to tell if we need to generate files for msgp, codecgen.
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_needgen() {
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local a="$1"
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zneedgen=0
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if [[ ! -e "$a" ]]
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then
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zneedgen=1
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echo 1
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return 0
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fi
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for i in `ls -1 *.go.tmpl gen.go values_test.go`
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do
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if [[ "$a" -ot "$i" ]]
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then
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zneedgen=1
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echo 1
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return 0
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fi
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done
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echo 0
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}
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# _build generates fast-path.go and gen-helper.go.
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#
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# It is needed because there is some dependency between the generated code
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# and the other classes. Consequently, we have to totally remove the
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# generated files and put stubs in place, before calling "go run" again
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# to recreate them.
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_build() {
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if ! [[ "${zforce}" == "1" ||
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"1" == $( _needgen "fast-path.generated.go" ) ||
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"1" == $( _needgen "gen-helper.generated.go" ) ||
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"1" == $( _needgen "gen.generated.go" ) ||
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1 == 0 ]]
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then
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return 0
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fi
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# echo "Running prebuild"
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if [ "${zbak}" == "1" ]
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then
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# echo "Backing up old generated files"
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_zts=`date '+%m%d%Y_%H%M%S'`
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_gg=".generated.go"
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[ -e "gen-helper${_gg}" ] && mv gen-helper${_gg} gen-helper${_gg}__${_zts}.bak
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[ -e "fast-path${_gg}" ] && mv fast-path${_gg} fast-path${_gg}__${_zts}.bak
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# [ -e "safe${_gg}" ] && mv safe${_gg} safe${_gg}__${_zts}.bak
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# [ -e "unsafe${_gg}" ] && mv unsafe${_gg} unsafe${_gg}__${_zts}.bak
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else
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rm -f fast-path.generated.go gen.generated.go gen-helper.generated.go \
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*safe.generated.go *_generated_test.go *.generated_ffjson_expose.go
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fi
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cat > gen.generated.go <<EOF
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// Copyright (c) 2012-2015 Ugorji Nwoke. All rights reserved.
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// Use of this source code is governed by a MIT license found in the LICENSE file.
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package codec
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// DO NOT EDIT. THIS FILE IS AUTO-GENERATED FROM gen-dec-(map|array).go.tmpl
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const genDecMapTmpl = \`
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EOF
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cat >> gen.generated.go < gen-dec-map.go.tmpl
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cat >> gen.generated.go <<EOF
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\`
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const genDecListTmpl = \`
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EOF
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cat >> gen.generated.go < gen-dec-array.go.tmpl
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cat >> gen.generated.go <<EOF
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\`
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EOF
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cat > gen-from-tmpl.codec.generated.go <<EOF
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package codec
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import "io"
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func GenInternalGoFile(r io.Reader, w io.Writer, safe bool) error {
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return genInternalGoFile(r, w, safe)
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}
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EOF
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cat > gen-from-tmpl.generated.go <<EOF
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//+build ignore
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package main
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//import "flag"
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import "ugorji.net/codec"
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import "os"
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func run(fnameIn, fnameOut string, safe bool) {
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fin, err := os.Open(fnameIn)
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if err != nil { panic(err) }
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defer fin.Close()
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fout, err := os.Create(fnameOut)
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if err != nil { panic(err) }
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defer fout.Close()
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err = codec.GenInternalGoFile(fin, fout, safe)
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if err != nil { panic(err) }
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}
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func main() {
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// do not make safe/unsafe variants.
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// Instead, depend on escape analysis, and place string creation and usage appropriately.
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// run("unsafe.go.tmpl", "safe.generated.go", true)
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// run("unsafe.go.tmpl", "unsafe.generated.go", false)
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run("fast-path.go.tmpl", "fast-path.generated.go", false)
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run("gen-helper.go.tmpl", "gen-helper.generated.go", false)
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}
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EOF
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go run -tags=notfastpath gen-from-tmpl.generated.go && \
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rm -f gen-from-tmpl.*generated.go
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}
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_codegenerators() {
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if [[ $zforce == "1" ||
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"1" == $( _needgen "values_codecgen${zsfx}" ) ||
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"1" == $( _needgen "values_msgp${zsfx}" ) ||
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"1" == $( _needgen "values_ffjson${zsfx}" ) ||
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1 == 0 ]]
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then
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# codecgen creates some temporary files in the directory (main, pkg).
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# Consequently, we should start msgp and ffjson first, and also put a small time latency before
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# starting codecgen.
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# Without this, ffjson chokes on one of the temporary files from codecgen.
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if [[ $zexternal == "1" ]]
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then
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echo "ffjson ... " && \
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ffjson -w values_ffjson${zsfx} $zfin &
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zzzIdFF=$!
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echo "msgp ... " && \
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msgp -tests=false -o=values_msgp${zsfx} -file=$zfin &
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zzzIdMsgp=$!
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sleep 1 # give ffjson and msgp some buffer time. see note above.
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fi
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echo "codecgen - !unsafe ... " && \
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codecgen -rt codecgen -t 'x,codecgen,!unsafe' -o values_codecgen${zsfx} -d 19780 $zfin &
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zzzIdC=$!
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echo "codecgen - unsafe ... " && \
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codecgen -u -rt codecgen -t 'x,codecgen,unsafe' -o values_codecgen_unsafe${zsfx} -d 19781 $zfin &
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zzzIdCU=$!
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wait $zzzIdC $zzzIdCU $zzzIdMsgp $zzzIdFF && \
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# remove (M|Unm)arshalJSON implementations, so they don't conflict with encoding/json bench \
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if [[ $zexternal == "1" ]]
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then
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sed -i 's+ MarshalJSON(+ _MarshalJSON(+g' values_ffjson${zsfx} && \
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sed -i 's+ UnmarshalJSON(+ _UnmarshalJSON(+g' values_ffjson${zsfx}
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fi && \
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echo "generators done!" && \
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true
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fi
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}
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# _init reads the arguments and sets up the flags
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_init() {
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OPTIND=1
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while getopts "fbx" flag
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do
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case "x$flag" in
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'xf') zforce=1;;
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'xb') zbak=1;;
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'xx') zexternal=1;;
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*) echo "prebuild.sh accepts [-fbx] only"; return 1;;
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esac
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done
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shift $((OPTIND-1))
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OPTIND=1
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}
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# main script.
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# First ensure that this is being run from the basedir (i.e. dirname of script is .)
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if [ "." = `dirname $0` ]
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then
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zmydir=`pwd`
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zfin="test_values.generated.go"
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zsfx="_generated_test.go"
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# rm -f *_generated_test.go
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rm -f codecgen-*.go && \
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_init "$@" && \
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_build && \
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cp $zmydir/values_test.go $zmydir/$zfin && \
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_codegenerators && \
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echo prebuild done successfully
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rm -f $zmydir/$zfin
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else
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echo "Script must be run from the directory it resides in"
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fi
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