// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

func _() {
	var ch chan bool
	select {
	default:
	case <-ch { // GCCGO_ERROR "expected colon"
	}           // GC_ERROR "expected :"

  quotes:
    - 2
    -
      style: double
  shorthand-values: 2
  single-line-per-selector: 0
  space-after-bang: 2
  space-after-colon: 2
  space-after-comma: 2
  space-around-operator: 2
  space-before-bang: 2
  space-before-brace: 2
  space-before-colon: 2
  space-between-parens: 2
  trailing-semicolon: 2
  url-quotes: 2
  variable-for-property:
    - 0
    -
      properties:
        - color

		//	tcpdump:x:72:
		listIdx := bytes.LastIndexByte(line, ':')
		if listIdx == -1 || listIdx == len(line)-1 {
			// No commas, or empty group list.
			continue
		}
		if bytes.Count(line[:listIdx], colon) != 2 {
			// Incorrect number of colons.
			continue
		}
		list := line[listIdx+1:]
		// Check the list for user without splitting or copying.

		{"//line\n", valid, filename, 2, 1},        // missing colon
		{"//line foo\n", valid, filename, 2, 1},    // missing colon
		{"  //line foo:\n", valid, filename, 2, 1}, // not a line start
		{"//  line foo:\n", valid, filename, 2, 1}, // space between // and line

		// invalid //line directives with one colon
		{"//line :\n", "invalid line number: ", filename, 1, 9},

// fn for each row. readColonFile returns a value, an error, or (nil, nil) if
// the end of the file is reached without a match.
//
// readCols is the minimum number of colon-separated fields that will be passed
// to fn; in a long line additional fields may be silently discarded.
func readColonFile(r io.Reader, fn lineFunc, readCols int) (v any, err error) {
	rd := bufio.NewReader(r)

// 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.

		case len(hostport):
			// There can't be a ':' behind the ']' now.
			return addrErr(hostport, missingPort)
		case i:
			// The expected result.
		default:
			// Either ']' isn't followed by a colon, or it is
			// followed by a colon that is not the last one.
			if hostport[end+1] == ':' {
				return addrErr(hostport, tooManyColons)
			}
			return addrErr(hostport, missingPort)
		}
		host = hostport[1:end]

	return x
}

func (p *parser) parseElement() ast.Expr {
	if p.trace {
		defer un(trace(p, "Element"))
	}

	x := p.parseValue()
	if p.tok == token.COLON {
		colon := p.pos
		p.next()
		x = &ast.KeyValueExpr{Key: x, Colon: colon, Value: p.parseValue()}
	}

	return x
}

func (p *parser) parseElementList() (list []ast.Expr) {
	if p.trace {
		defer un(trace(p, "ElementList"))

	}

	if p.tok == token.LBRACE {
		return p.parseLiteralValue(nil)
	}

	x := p.parseExpr(keyOk) // don't resolve if map key
	if keyOk {
		if p.tok == token.COLON {
			colon := p.pos
			p.next()
			return &ast.KeyValueExpr{x, colon, p.parseElement(false)}
		}
		p.resolve(x) // not a map key
	}

	return x
}

func (p *parser) parseElementList() (list []ast.Expr) {
	if p.trace {

		return true
	}

	// "//[a-z0-9]+:[a-z0-9]"
	// (The // has been removed.)
	colon := strings.Index(c, ":")
	if colon <= 0 || colon+1 >= len(c) {
		return false
	}
	for i := 0; i <= colon+1; i++ {
		if i == colon {
			continue
		}
		b := c[i]
		if !('a' <= b && b <= 'z' || '0' <= b && b <= '9') {
			return false
		}
	}
	return true
}