Method scanNumberFragment

internal/scanner/scanner.go:2044–2088

()

}

func (s *Scanner) scanNumberFragment() string {
	start := s.pos
	allowSeparator := false
	isPreviousTokenSeparator := false
	var result strings.Builder
	for {
		before := s.pos
		s.scanASCIIWhile(func(b byte) bool {
			return b >= '0' && b <= '9'
		})
		if s.pos > before {
			allowSeparator = true
			isPreviousTokenSeparator = false
		}
		ch := s.char()
		if ch == '_' {
			s.tokenFlags |= ast.TokenFlagsContainsSeparator
			if allowSeparator {
				allowSeparator = false
				isPreviousTokenSeparator = true
				result.WriteString(s.text[start:s.pos])
			} else {
				s.tokenFlags |= ast.TokenFlagsContainsInvalidSeparator
				if isPreviousTokenSeparator {
					s.errorAt(diagnostics.Multiple_consecutive_numeric_separators_are_not_permitted, s.pos, 1)
				} else {
					s.errorAt(diagnostics.Numeric_separators_are_not_allowed_here, s.pos, 1)
				}
			}
			s.pos++
			start = s.pos
			continue
		}
		break
	}
	if isPreviousTokenSeparator {
		s.tokenFlags |= ast.TokenFlagsContainsInvalidSeparator
		s.errorAt(diagnostics.Numeric_separators_are_not_allowed_here, s.pos-1, 1)
	}
	if result.Len() == 0 {
		return s.text[start:s.pos]
	}
	result.WriteString(s.text[start:s.pos])
	return result.String()
}

func (s *Scanner) scanDigits() (string, bool) {
	start := s.pos