diff options
| -rw-r--r-- | src/error-demo/error-demo.cc | 86 | ||||
| -rw-r--r-- | src/libutil/error.hh | 92 |
2 files changed, 24 insertions, 154 deletions
diff --git a/src/error-demo/error-demo.cc b/src/error-demo/error-demo.cc index fdb574b25..ef8b56308 100644 --- a/src/error-demo/error-demo.cc +++ b/src/error-demo/error-demo.cc @@ -11,15 +11,10 @@ int main() // In each program where errors occur, this has to be set. ErrorInfo::programName = std::optional("error-demo"); - // There are currently four error types: + // There are currently four constructor functions: // // ProgramError, ProgramWarning, NixLangError, NixLangWarning. // - // Each error type is created with a specific sequence of builder functions. - // Unlike with a constructor, each parameter is clearly named. - // If the sequence of function calls isn't followed, then there's a type - // error. This should make for a consistent look in the code when errors are - // created. // ProgramError takes name, description, and an optional hint. printErrorInfo( @@ -33,68 +28,35 @@ int main() printErrorInfo( ErrorInfo::ProgramWarning("name", "warning description", - std::optional(hintfmt("there was a %1%", "warning")))); - - // printErrorInfo( ProgramWarning() - // .name("warning name") - // .description("warning description") - // // the templated value, 'warning', is automatically colored yellow. - // .hint(hintfmt("there was a %1%", "warning")) - // ); - - /* - // some invalid errors: - - // type error: no hint function. - ProgramError() - .name("name") - .description("error description"); - - // type error: description before name. - ProgramError() - .description("error description") - .name("name") - .nohint(); - - // type error: hint function with regular boost format, not special - hintfmt. ProgramError() .description("error description") .name("name") - .hint(format("there was a %1%") % "warning"); - */ + std::optional( + hintfmt("there was a %1%", "warning")))); // NixLangWarning adds nix file, line number, column range, and the lines of // code where a warning occurred. - SymbolTable testTable; auto problem_symbol = testTable.create("problem"); - printErrorInfo(ErrorInfo::NixLangWarning( - "warning name", - "warning description", - Pos(problem_symbol, 40, 13), - std::nullopt, - "this is the problem line of code", - std::nullopt, - hintfmt("this hint has %1% templated %2%!!", "yellow", "values"))); - - // // NixLangError is just the same as NixLangWarning, except for the Error - // // flag. - // printErrorInfo(NixLangError() - // .name("error name") - // .description("error description") - // .pos(Pos(problem_symbol, 40, 13)) - // .linesOfCode(std::optional("previous line of code"), - // "this is the problem line of code", - // std::optional("next line of code")) - // .hint(hintfmt("this hint has %1% templated %2%!!", "yellow", "values"))); - printErrorInfo(ErrorInfo::NixLangError( - "error name", - "error description", - Pos(problem_symbol, 40, 13), - std::optional("previous line of code"), - "this is the problem line of code", - std::optional("next line of code"), - hintfmt("this hint has %1% templated %2%!!", "yellow", "values"))); - + printErrorInfo( + ErrorInfo::NixLangWarning( + "warning name", + "warning description", + Pos(problem_symbol, 40, 13), + std::nullopt, + "this is the problem line of code", + std::nullopt, + hintfmt("this hint has %1% templated %2%!!", "yellow", "values"))); + + // NixLangError is just the same as NixLangWarning, except for the Error + // flag. + printErrorInfo( + ErrorInfo::NixLangError( + "error name", + "error description", + Pos(problem_symbol, 40, 13), + std::optional("previous line of code"), + "this is the problem line of code", + std::optional("next line of code"), + hintfmt("this hint has %1% templated %2%!!", "yellow", "values"))); return 0; } diff --git a/src/libutil/error.hh b/src/libutil/error.hh index a73b6639e..a8a1afbca 100644 --- a/src/libutil/error.hh +++ b/src/libutil/error.hh @@ -191,98 +191,6 @@ private: } }; -/* -template <class T> -class AddPos : private T -{ -public: - template <class P> - T& pos(const P &aPos) - { - GetEI().ensureNixCode().nixFile = aPos.file; - GetEI().ensureNixCode().ensureErrLine().lineNumber = aPos.line; - GetEI().ensureNixCode().ensureErrLine().columnRange = { .start = aPos.column, .len = 1 }; - return *this; - } -protected: - ErrorInfo& GetEI() - { - return T::GetEI(); - } -}; - -template <class T> -class AddLOC : private T -{ -public: - T& linesOfCode(std::optional<string> prevloc, string loc, std::optional<string> nextloc) - { - GetEI().ensureNixCode().ensureErrLine().prevLineOfCode = prevloc; - GetEI().ensureNixCode().ensureErrLine().errLineOfCode = loc; - GetEI().ensureNixCode().ensureErrLine().nextLineOfCode = nextloc; - return *this; - } -protected: - ErrorInfo& GetEI() - { - return T::GetEI(); - } -}; -*/ - -/* -// the template layer for adding a hint. -template <class T> -class AddHint : private T -{ -public: - T& hint(const hintformat &hf) - { - GetEI().hint = std::optional(hf.str()); - return *this; - } - T& nohint() - { - GetEI().hint = std::nullopt; - return *this; - } -protected: - ErrorInfo& GetEI() - { - return T::GetEI(); - } -}; -*/ - -// -------------------------------------------------------- -// error types - -/*typedef AddName< - AddDescription< - AddHint< - EIError>>> ProgramError; - -typedef AddName< - AddDescription< - AddHint< - EIWarning>>> ProgramWarning; - -typedef AddName< - AddDescription< - AddPos< - AddLOC< - AddHint< - EIError>>>>> NixLangError; - -typedef AddName< - AddDescription< - AddPos< - AddLOC< - AddHint< - EIWarning>>>>> NixLangWarning; - - -*/ // -------------------------------------------------------- // error printing |