func TestGir(t *testing.T) {
var (
conf config.Config
context value.Context
fd *os.File
err error
)
context = ctx.NewContext(&conf)
for _, file := range []string{filepath.Join("testdata", "test.gir"), filepath.Join("testdata", "test1.gir"), filepath.Join("testdata", "test2.gir"), filepath.Join("testdata", "test3.gir"), filepath.Join("testdata", "test4.gir")} {
fd, err = os.Open(file)
defer fd.Close()
if err != nil {
t.Fatalf("gir: %s\n", err)
}
scanner := scan.New(context, file, bufio.NewReader(fd))
parser := parse.NewParser(file, scanner, context)
fileDecl := parser.ParseFile()
t.Log("tree(exprs): ", parse.Tree(fileDecl))
for _, fnDecl := range fileDecl.Decls {
ssafn, ok := codegen.BuildSSA(&fnDecl, fileDecl.PkgName, false)
if ssafn == nil || !ok {
t.Fatalf("gir: Error building SSA form")
return
} else {
t.Log("ssa:\n", ssafn)
}
}
}
return
}
func main() {
context = ctx.NewContext(&conf)
var f = flag.String("f", "", "input *.gir file ")
var o = flag.String("o", "", "output *.s file ")
var proto = flag.String("proto", "", "output *.go prototype file")
flag.Parse()
file := ""
outfile := ""
protofile := ""
log.SetFlags(log.Lshortfile)
if *f != "" {
file = *f
} else {
log.Fatalf("Error no file provided")
}
if *o != "" {
outfile = *o
}
if *proto != "" {
protofile = *proto
}
var fd io.Reader
var err error
fd, err = os.Open(file)
if err != nil {
fmt.Fprintf(os.Stderr, "gir: %s\n", err)
os.Exit(1)
}
var fd2 io.Reader
var err2 error
fd2, err2 = os.Open(file)
if err2 != nil {
fmt.Fprintf(os.Stderr, "gir: %s\n", err2)
os.Exit(1)
}
scanner1 := scan.New(context, file, bufio.NewReader(fd))
scanner2 := scan.New(context, file, bufio.NewReader(fd2))
fmt.Println("Tokens: ")
for tok := scanner1.Next(); tok.Type != token.EOF; tok = scanner1.Next() {
fmt.Println(tok, "type ", tok.Type)
}
parser := parse.NewParser(file, scanner2, context)
fileDecl := parser.ParseFile()
pkg := fileDecl.PkgName
fmt.Println("tree(exprs): ", parse.Tree(fileDecl))
asm := ""
protos := ""
for _, fnDecl := range fileDecl.Decls {
ssafn, ok := codegen.BuildSSA(&fnDecl, fileDecl.PkgName, false)
if ssafn == nil || !ok {
fmt.Println("Error building SSA form")
return
} else {
fmt.Println("ssa:\n", ssafn)
var ok bool
asm, ok = codegen.GenAsm(ssafn)
if !ok {
fmt.Println("Error generating assembly")
}
if fnProto, ok := codegen.GenGoProto(ssafn); ok {
protos += fnProto
} else {
fmt.Println("Error generating Go proto file")
}
}
}
if outfile != "" {
err = ioutil.WriteFile(outfile, []byte(asm), 0644)
if err != nil {
panic(err)
}
}
if protofile != "" {
protoTxt := "// +build amd64\n\n"
protoTxt += fmt.Sprintf("package %s\n", pkg)
protoTxt += protos
err = ioutil.WriteFile(protofile, []byte(protoTxt), 0644)
if err != nil {
panic(err)
}
}
}