// TestLineComments, using a simple test case, checks that consequtive line
// comments are properly terminated with a newline even if the AST position
// information is incorrect.
//
func TestLineComments(t *testing.T) {
const src = `// comment 1
// comment 2
// comment 3
package main
`
fset := token.NewFileSet()
ast1, err1 := parser.ParseFile(fset, "", src, parser.ParseComments)
if err1 != nil {
panic(err1)
}
var buf bytes.Buffer
fset = token.NewFileSet() // use the wrong file set
printer.Fprint(&buf, fset, ast1)
nlines := 0
for _, ch := range buf.Bytes() {
if ch == '\n' {
nlines++
}
}
const expected = 3
if nlines < expected {
t.Errorf("got %d, expected %d\n", nlines, expected)
}
}
func main() {
goopt.Version = fmt.Sprintf("%d.%d", VER_MAJOR, VER_MINOR)
goopt.Summary = PROG_NAME
goopt.Parse(nil)
if *ver {
fmt.Printf("\n%s version %d.%d", PROG_NAME, VER_MAJOR, VER_MINOR)
fmt.Printf("\nCopyright (c) 2011 Chanwit Kaewkasi / SUT\n\n")
return
}
var filename string = ""
if len(goopt.Args) == 1 {
filename = goopt.Args[0]
} else {
fmt.Print(goopt.Usage())
return
}
fset := token.NewFileSet()
astf, err := parser.ParseFile(fset, filename, nil, 0)
if err == nil {
v := NewVisitor(astf)
Walk(v, astf)
tempfile, err := os.OpenFile(filename+"k", os.O_WRONLY|os.O_CREATE, 0665)
if err == nil {
printer.Fprint(tempfile, fset, astf)
tempfile.Close()
newArgs := make([]string, len(os.Args))
copy(newArgs, os.Args)
for i, v := range newArgs {
if v == filename {
newArgs[i] = filename + "k"
}
}
gc := "8g"
switch os.Getenv("GOARCH") {
case "386":
gc = "8g"
case "amd64":
gc = "6g"
case "arm":
gc = "5g"
}
newArgs[0] = os.Getenv("GOROOT") + "/bin/" + gc
StdExecve(newArgs, true)
os.Remove(filename + "k")
}
} else {
fmt.Printf("%s\n", err)
}
}