func TransFile(w io.Writer, fname, expr string) {
f := token.NewFile(fname, expr, 1)
n := parser.ParseFile(f, expr)
if f.NumErrors() > 0 {
f.PrintErrors()
return
}
t := &translator{out: w, file: f, scope: n.Scope}
t.topComment()
/* includes will/might eventually reflect the imports from Calc. It's
* possible that stdio might be an auto-include if print remains a
* built-in function, which is likely won't */
t.includes() /* temporary */
t.transFuncSigs(n)
t.transpile(n, false)
if f.NumErrors() > 0 {
f.PrintErrors()
}
if t.scope.Lookup("main") == nil {
fmt.Println("No function \"main\" found!")
}
return
}
func EvalFile(fname, expr string) interface{} {
f := token.NewFile(fname, expr, 1)
n := parser.ParseFile(f, expr)
if f.NumErrors() > 0 {
f.PrintErrors()
return nil
}
e := &evaluator{file: f, scope: n.Scope}
res := e.eval(n)
if f.NumErrors() > 0 {
f.PrintErrors()
return nil
}
return res
}