if stringMethods[fn.Name()] {
					pass.Reportf(call.Lparen, "result of (%s).%s call not used",
						sig.Recv().Type(), fn.Name())
				}
			}
		} else {
			// package-level function (e.g. fmt.Errorf)
			if pkgFuncs[[2]string{fn.Pkg().Path(), fn.Name()}] {
				pass.Reportf(call.Lparen, "result of %s.%s call not used",
					fn.Pkg().Path(), fn.Name())
			}
		}
	})

	}
	newImport.Path.ValuePos = pos
	newImport.EndPos = pos

	// Clean up parens. impDecl contains at least one spec.
	if len(impDecl.Specs) == 1 {
		// Remove unneeded parens.
		impDecl.Lparen = token.NoPos
	} else if !impDecl.Lparen.IsValid() {
		// impDecl needs parens added.
		impDecl.Lparen = impDecl.Specs[0].Pos()
	}

	f.Imports = append(f.Imports, newImport)

	if len(f.Decls) <= 1 {

		copy(f.Decls[lastImport+2:], f.Decls[lastImport+1:])
		f.Decls[lastImport+1] = impDecl
	}

	// Ensure the import decl has parentheses, if needed.
	if len(impDecl.Specs) > 0 && !impDecl.Lparen.IsValid() {
		impDecl.Lparen = impDecl.Pos()
	}

	insertAt := impIndex + 1
	if insertAt == 0 {
		insertAt = len(impDecl.Specs)
	}
	impDecl.Specs = append(impDecl.Specs, nil)

	for _, d := range file.Decls {
		d, ok := d.(*ast.GenDecl)
		if !ok || d.Tok != token.IMPORT {
			// Not an import declaration, so we're done.
			// Imports are always first.
			return false
		}
		if d.Lparen.IsValid() {
			// For now assume all grouped imports are unsorted.
			// TODO(gri) Should check if they are sorted already.
			return true
		}
		// Ungrouped imports are sorted by default.
	}
	return false

	//     29  .  .  .  .  .  .  .  Fun: *ast.Ident {
	//     30  .  .  .  .  .  .  .  .  NamePos: 4:2
	//     31  .  .  .  .  .  .  .  .  Name: "println"
	//     32  .  .  .  .  .  .  .  }
	//     33  .  .  .  .  .  .  .  Lparen: 4:9
	//     34  .  .  .  .  .  .  .  Args: []ast.Expr (len = 1) {
	//     35  .  .  .  .  .  .  .  .  0: *ast.BasicLit {
	//     36  .  .  .  .  .  .  .  .  .  ValuePos: 4:10

			if d.Doc != nil {
				comments = append(comments, d.Doc)
			}
		}
	}

	// Synthesize import declaration.
	importDecl := &ast.GenDecl{
		Tok:    token.IMPORT,
		Lparen: 1, // Need non-zero Lparen and Rparen so that printer
		Rparen: 1, // treats this as a factored import.
	}
	importDecl.Specs = append(namedImports, blankImports...)

	// Synthesize main function.
	funcDecl := &ast.FuncDecl{

		d.Specs = specs

		// Deduping can leave a blank line before the rparen; clean that up.
		if len(d.Specs) > 0 {
			lastSpec := d.Specs[len(d.Specs)-1]
			lastLine := lineAt(fset, lastSpec.Pos())
			rParenLine := lineAt(fset, d.Rparen)
			for rParenLine > lastLine+1 {
				rParenLine--
				fset.File(d.Rparen).MergeLine(rParenLine)
			}
		}
	}
}

	// now remove parentheses from the declaration
	for i := 0; i != len(f.Decls); i++ {
		f.Decls[i].(*ast.GenDecl).Lparen = token.NoPos
	}
	buf.Reset()
	err = Fprint(&buf, fset, f)
	if err != nil {
		t.Fatal(err)
	}
	noparen := buf.String()

	if noparen != original {
		t.Errorf("got %q, want %q", noparen, original)
	}
}

// Verify that we don't print a newline between "return" and its results, as

		if name == "CBytes" {
			return true
		}

		if debug {
			log.Printf("%s: call to C.%s", fset.Position(call.Lparen), name)
		}

		for _, arg := range call.Args {
			if !typeOKForCgoCall(cgoBaseType(info, arg), make(map[types.Type]bool)) {
				reportf(arg.Pos(), "possibly passing Go type with embedded pointer to C")
				break
			}

			// Check for passing the address of a bad type.

	if idx < 0 {
		if false {
			pass.Reportf(call.Lparen, "can't check non-constant format in call to %s", fn.FullName())
		}
		return
	}

	firstArg := idx + 1 // Arguments are immediately after format string.
	if !strings.Contains(format, "%") {
		if len(call.Args) > firstArg {
			pass.Reportf(call.Lparen, "%s call has arguments but no formatting directives", fn.FullName())
		}
		return
	}