// Formatting around labels.
func _() {
L:
}

func _() {
	// this comment should be indented
L:	// no semicolon needed
}

func _() {
	switch 0 {
	case 0:
	L0:
		;	// semicolon required
	case 1:
	L1:
		;	// semicolon required
	default:
	L2:	// no semicolon needed
	}
}

func _() {
	f()
L1:
	f()
L2:
	;
L3:
}

func _() {

func _() {
	if true {}
	if; true {}  // no semicolon printed
	if expr{}
	if;expr{}  // no semicolon printed
	if (expr){}  // no parens printed
	if;((expr)){}  // no semicolon and parens printed
	if x:=expr;true{
	use(x)}
	if x:=expr; expr {use(x)}
}


// Formatting of switch-statement headers.
func _() {
	switch {}
	switch;{}  // no semicolon printed
	switch expr {}

package main

func f() {}

func main() {
	x := 0;

	// this compiles
	switch x {
	case 0: f();
	default: f();
	}

	// this doesn't but it should
	// (semicolons are not needed at the end of a statement list)
	switch x {
	case 0: f()
	default: f()
	}
}


/*
bug157.go:20: syntax error near default
bug157.go:20: first switch statement must be a case

// Each statement in the list of statements for each case clause must be
// terminated with a semicolon. No semicolon is present for the labeled
// statements and because the last token is a colon ":", no semicolon is
// inserted automatically.
//
// Both gccgo and gofmt correctly refuse this program as is and accept it
// when the semicolons are present.

// This is a test case for issue 777 ( https://golang.org/issue/777 ).

				res = make(map[uint][]Error)
			}
			res[prev.line] = append(res[prev.line], err)
		}
	}, comments)

	for s.tok != _EOF {
		s.next()
		if s.tok == _Semi && s.lit != "semicolon" {
			continue // ignore automatically inserted semicolons
		}
		prev.line, prev.col = s.line, s.col
	}

	return

// checking where a certain attribute gets lost. Note that we use a semicolon
// instead of comma as the separator to allow strings that contain commas (which
// frequently appear in MLIR). The strings can contain any characters (including
// spaces) except semicolons.
//
// Example: Setting the environment variables
// `MLIR_BRIDGE_LOG_PASS_FILTER="LegalizeTF;Canonicalizer"` and

 *
 * Comment lines are either blank or start with a `#` character. Lines may also end with a comment.
 * All comments are ignored.
 *
 * Regular lines contain fields separated by semicolons.
 *
 * The first element on each line is a single hex code point (like 0041) or a hex code point range
 * (like 0030..0039).
 *
 * The second element on each line is a mapping type, like `valid` or `mapped`.
 *

					pos += token.Pos(len(lit)) // end of comment
				} else {
					pos = prev // token prior to comment
				}
				errors[pos] = s[2]
			}
		case token.SEMICOLON:
			// don't use the position of auto-inserted (invisible) semicolons
			if lit != ";" {
				break
			}
			fallthrough
		default:
			prev = pos
			var l int // token length
			if tok.IsLiteral() {
				l = len(lit)
			} else {

   * <p>This escaper is suitable for escaping parameter names and values even when <a
   * href="https://goo.gl/utn6M">using the non-standard semicolon</a>, rather than the ampersand, as
   * a parameter delimiter. Nevertheless, we recommend using the ampersand unless you must
   * interoperate with systems that require semicolons.
   *
   * <p><b>Note:</b> Unlike other escapers, URL escapers produce <a

   * <p>This escaper is suitable for escaping parameter names and values even when <a
   * href="https://goo.gl/utn6M">using the non-standard semicolon</a>, rather than the ampersand, as
   * a parameter delimiter. Nevertheless, we recommend using the ampersand unless you must
   * interoperate with systems that require semicolons.
   *
   * <p><b>Note:</b> Unlike other escapers, URL escapers produce <a