// Compile compiles and runs the code and returns the output of running
// in a json string.
func Compile(file, code string) string {
home := pl.MakeMemHome(pl.Lang(false))
const pkgName = "toys"
pkg := home.NewPkg(pkgName)
pkg.AddFile("toys/"+file, file, code)
b := builds.NewBuilder(home, home)
b.RunTests = true
b.TestCycles = 1000000
if errs := b.BuildAll(); errs != nil {
res := &result{Errs: makeResErrors(errs)}
return jsonStr(res)
}
image := home.BinBytes(pkgName)
if image == nil {
err := errors.New("missing main() function")
return jsonStr(newErrorRes(err))
}
outBuf := new(bytes.Buffer)
m := arch.NewMachine(&arch.Config{
Output: outBuf,
})
if err := m.LoadImage(bytes.NewReader(image)); err != nil {
return jsonStr(newErrorRes(err))
}
res := new(result)
ret, exp := m.Run(1000000)
res.Output = outBuf.String()
res.Ncycle = ret
if exp != nil {
res.ExcepCore = exp.Core
res.ExcepCode = exp.Code
res.ExcepMsg = exp.Error()
}
return jsonStr(res)
}
// MemHome coverts the snapshot into a mem home for building
func (s *Snapshot) MemHome() *builds.MemHome {
home := pl.MakeMemHome(pl.Lang(false))
for pkg, files := range s.Pkgs {
// TODO: should not use main as package name here.
pkgName := strings.TrimPrefix(pkg, "/")
if pkgName == "" {
pkgName = "main"
}
var fileNames []string
if strings.HasPrefix(pkgName, "asm/") || pkgName == "asm" {
for f := range files {
if strings.HasSuffix(f, ".s") {
fileNames = append(fileNames, f)
}
}
} else {
for f := range files {
if strings.HasSuffix(f, ".g") {
fileNames = append(fileNames, f)
}
}
}
if len(fileNames) > 0 {
p := home.NewPkg(pkgName)
for _, f := range fileNames {
bs := files[f]
fpath := path.Join(pkg, f)
p.AddFile(fpath, f, string(bs))
}
}
}
return home
}
