message: Run clang-format and add more error messages
diff: #include <vcpkg/parse.h>
  -#include <vcpkg/base/util.h>
  #include <vcpkg/base/system.print.h>
  +#include <vcpkg/base/util.h>
  namespace vcpkg::Parse
  {
  @@ -45,10 +45,7 @@ namespace vcpkg::Parse
  return nullptr;
  }
  - static bool is_whitespace(char c)
  - {
  - return c == ' ' || c == '\t' || c == '\n' || c == '\r';
  - }
  + static bool is_whitespace(char c) { return c == ' ' || c == '\t' || c == '\n' || c == '\r'; }
  std::vector<std::string> parse_comma_list(const std::string& str)
  {
  @@ -61,7 +58,8 @@ namespace vcpkg::Parse
  auto iter = str.cbegin();
  - do {
  + do
  + {
  // Trim leading whitespace of each element
  while (iter != str.cend() && is_whitespace(*iter))
  {
  @@ -80,10 +78,24 @@ namespace vcpkg::Parse
  // do not support nested []
  if (value == '[')
  {
  + Checks::check_exit(VCPKG_LINE_INFO,
  + !bracket_nesting,
  + "Lists do not support nested brackets, Did you forget a ']'?\n"
  + "> '%s'\n"
  + "> %s^\n",
  + str,
  + std::string(static_cast<int>(iter - str.cbegin()), ' '));
  bracket_nesting = true;
  }
  else if (value == ']')
  {
  + Checks::check_exit(VCPKG_LINE_INFO,
  + bracket_nesting,
  + "Found unmatched ']'. Did you forget a '['?\n"
  + "> '%s'\n"
  + "> %s^\n",
  + str,
  + std::string(static_cast<int>(iter - str.cbegin()), ' '));
  bracket_nesting = false;
  }
  @@ -97,32 +109,30 @@ namespace vcpkg::Parse
  }
  }
  - if (element_begin == element_end)
  - {
  - System::print2( System::Color::warning,
  - "Warning: empty element in list\n"
  - "> '", str, "'\n"
  - "> ", std::string(static_cast<int>(element_begin - str.cbegin()), ' '), "^\n"
  - );
  - }
  - else
  - {
  + Checks::check_exit(VCPKG_LINE_INFO,
  + element_begin != element_end,
  + "Empty element in list\n"
  + "> '%s'\n"
  + "> %s^\n",
  + str,
  + std::string(static_cast<int>(element_begin - str.cbegin()), ' '));
  +
  out.push_back({element_begin, element_end});
  - }
  if (iter != str.cend())
  {
  + Checks::check_exit(VCPKG_LINE_INFO, *iter == ',', "Internal parsing error - expected comma");
  +
  // Not at the end, must be at a comma that needs to be stepped over
  ++iter;
  - if (iter == str.end())
  - {
  - System::print2(System::Color::warning,
  - "Warning: empty element in list\n"
  - "> '", str, "'\n"
  - "> ", std::string(str.length(), ' '), "^\n"
  - );
  - }
  + Checks::check_exit(VCPKG_LINE_INFO,
  + iter != str.end(),
  + "Empty element in list\n"
  + "> '%s'\n"
  + "> %s^\n",
  + str,
  + std::string(str.length(), ' '));
  }
  } while (iter != str.cend());
  