// 6g accepts the program below even though it is syntactically incorrect:
// 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.

// body's opening { on a new line.

package p

// accept Allman/BSD-style declaration but complain
// (implicit semicolon between signature and body)
func _() int
{ /* ERROR "unexpected semicolon or newline before {" */
	{ return 0 }
}

func _() {}

func _(); { /* ERROR "unexpected semicolon or newline before {" */ }

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 {}

			}
		case token.SEMICOLON:
			// ignore automatically inserted semicolon
			if lit == "\n" {
				continue
			}
			fallthrough
		default:
			prev = pos
		}
	}
}

func TestCommentMap(t *testing.T) {
	const src = `/* ERROR "0:0" */ /* ERROR "0:0" */ // ERROR "0:0"
// ERROR "0:0"
x /* ERROR "3:1" */                // ignore automatically inserted semicolon here

package p

// test case from issue

type _ interface{
	m /* ERROR unexpected name int in interface type; possibly missing semicolon or newline or } */ int
}

// other cases where the fix for this issue affects the error message

const (
	x int = 10 /* ERROR unexpected literal "foo" in grouped declaration; possibly missing semicolon or newline or \) */ "foo"
)

// 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 _() {

            if (beginIndex > 0) {
                int endIndex = disposition.indexOf(';', beginIndex + 11); // find the next semicolon
                endIndex = endIndex < 0 ? disposition.length() : endIndex; // if no semicolon is found, then there is nothing else in the disposition
                endIndex -= 1; // ignore the closing quotes

// filters that are specified with the `MLIR_BRIDGE_LOG_PASS_FILTER` and
// `MLIR_BRIDGE_LOG_STRING_FILTER` environment variables.
// `MLIR_BRIDGE_LOG_PASS_FILTER` takes a semicolon-separated list of pass class
// names, `MLIR_BRIDGE_LOG_STRING_FILTER` takes a semicolon-separated list of
// strings, and IR is only dumped for a pass invocation if the pass name exactly
// matches any of the provided pass names and if the serialized operation on

	const src = `/* ERROR "0:0" */ /* ERROR "0:0" */ // ERROR "0:0"
// ERROR "0:0"
x /* ERROR "3:1" */                // ignore automatically inserted semicolon here
/* ERROR "3:1" */                  // position of x on previous line
   x /* ERROR "5:4" */ ;           // do not ignore this semicolon
/* ERROR "5:24" */                 // position of ; on previous line
	package /* ERROR "7:2" */  // indented with tab

	}

	for
		i=0;// comment after semicolon
		i<9;/* comment after semicolon */
		i++{// comment after opening curly brace
	}

	// TODO(gri) the last comment in this example should be aligned */
	for
		i=0;// comment after semicolon
		i<9/* comment before semicolon - ok to move after semicolon */;
		i++ /* comment before opening curly brace */ {
	}
}