func args(filename string) {
b, err := ioutil.ReadFile(filename)
if err != nil {
panic(err)
}
p := parser.ParseFromString(filename, string(b)+"\n")
a := generator.GenerateAST(p)
fset := token.NewFileSet()
defaultImports := []string{"github.com/gsp-lang/stdlib/prelude", "github.com/gsp-lang/gsp/core"}
for _, defaultImport := range defaultImports {
split := strings.Split(defaultImport, "/")
pkgName := split[len(split)-1]
if !(a.Name.Name == "prelude" && pkgName == "prelude") {
astutil.AddImport(fset, a, defaultImport)
}
}
if a.Name.Name != "prelude" {
a.Decls = append(a.Decls, &ast.GenDecl{
Tok: token.VAR,
Specs: []ast.Spec{&ast.ValueSpec{
Names: []*ast.Ident{&ast.Ident{Name: "_"}},
Values: []ast.Expr{&ast.Ident{Name: "prelude.Len"}},
}},
})
}
var buf bytes.Buffer
printer.Fprint(&buf, fset, a)
fmt.Printf("%s\n", buf.String())
}
func main() {
if len(os.Args) > 1 {
args(os.Args[1])
return
}
r := bufio.NewReader(os.Stdin)
for {
fmt.Print(">> ")
line, _, _ := r.ReadLine()
p := parser.ParseFromString("<REPL>", string(line)+"\n")
fmt.Println(p)
// a := generator.GenerateAST(p)
a := generator.EvalExprs(p)
fset := token.NewFileSet()
ast.Print(fset, a)
var buf bytes.Buffer
printer.Fprint(&buf, fset, a)
fmt.Printf("%s\n", buf.String())
}
}
func args(filename string) {
b, err := ioutil.ReadFile(filename)
if err != nil {
panic(err)
}
p := parser.ParseFromString(filename, string(b)+"\n")
a := generator.GenerateAST(p)
fset := token.NewFileSet()
defaultImports := []string{"github.com/gsp-lang/stdlib/prelude", "github.com/gsp-lang/gsp/core"}
for _, defaultImport := range defaultImports {
split := strings.Split(defaultImport, "/")
pkgName := split[len(split)-1]
if !(a.Name.Name == "prelude" && pkgName == "prelude") {
if pkgName == "prelude" {
astutil.AddNamedImport(fset, a, "_", defaultImport)
} else {
astutil.AddImport(fset, a, defaultImport)
}
}
}
var buf bytes.Buffer
printer.Fprint(&buf, fset, a)
fmt.Printf("%s\n", buf.String())
}