mirror of
https://github.com/CompeyDev/lei.git
synced 2024-12-12 12:50:42 +00:00
91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path"
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"strings"
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)
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const LUAU_VERSION = "0.634"
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const ARTIFACT_NAME = "libLuau.VM.a"
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func bail(err error) {
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if err != nil {
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panic(err)
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}
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}
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func buildVm(artifactPath string, cmakeFlags ...string) {
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dir, homeDirErr := os.MkdirTemp("", "lei-build")
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bail(homeDirErr)
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defer os.RemoveAll(dir)
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// Clone down the Luau repo and checkout the required tag
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Exec("git", "", "clone", "https://github.com/luau-lang/luau.git", dir)
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Exec("git", dir, "checkout", LUAU_VERSION)
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// Build the Luau VM using CMake
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buildDir := path.Join(dir, "cmake")
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bail(os.Mkdir(buildDir, os.ModePerm))
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defaultCmakeFlags := []string{"..", "-DCMAKE_BUILD_TYPE=RelWithDebInfo", "-DLUAU_EXTERN_C=ON"}
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Exec("cmake", buildDir, append(defaultCmakeFlags, cmakeFlags...)...)
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Exec("cmake", buildDir, "--build", ".", "--target Luau.VM", "--config", "RelWithDebInfo")
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// Copy the artifact to the artifact directory
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artifactFile, artifactErr := os.ReadFile(path.Join(buildDir, ARTIFACT_NAME))
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bail(artifactErr)
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bail(os.WriteFile(artifactPath, artifactFile, os.ModePerm))
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}
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func main() {
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homeDir, homeDirErr := os.UserHomeDir()
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bail(homeDirErr)
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artifactDir := path.Join(homeDir, ".lei")
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artifactPath := path.Join(artifactDir, ARTIFACT_NAME)
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bail(os.MkdirAll(artifactDir, os.ModePerm))
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// TODO: Args for clean build
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args := os.Args[1:]
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goArgs := []string{}
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cmakeFlags := []string{}
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features := []string{}
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for _, arg := range args {
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if arg == "--enable-vector4" {
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features = append(features, "LUAU_VECTOR4")
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cmakeFlags = append(cmakeFlags, "-DLUAU_VECTOR_SIZE=4")
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} else {
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goArgs = append(goArgs, arg)
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}
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}
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if _, err := os.Stat(artifactPath); err == nil {
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fmt.Printf("[build] Using existing artifact at %s\n", artifactPath)
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} else {
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buildVm(artifactPath, cmakeFlags...)
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}
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buildTags := []string{}
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if len(features) > 0 {
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buildTags = append(buildTags, []string{"-tags", strings.Join(features, ",")}...)
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}
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cmd, _, _, _ := Command("go").
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WithArgs(append(buildTags, goArgs...)...).
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WithVar(
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"CGO_LDFLAGS",
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fmt.Sprintf("-L %s -lLuau.VM -lm -lstdc++", artifactDir),
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).
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WithVar("CGO_ENABLED", "1").
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PipeAll(Forward).
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ToCommand()
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bail(cmd.Start())
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bail(cmd.Wait())
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}
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