return of NixCode
This commit is contained in:
Ben Burdette
parent
47ed067d45
commit
54f91923c8
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@ -31,36 +31,43 @@ int main()
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.name = "name",
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.description = "error description",
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.hint = std::optional(
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hintfmt("there was a %1%", "warning"))
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hintfmt("there was a %1%", "warning")),
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});
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// NixLangWarning adds nix file, line number, column range, and the lines of
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// code where a warning occurred.
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/* SymbolTable testTable;
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auto problem_symbol = testTable.create("problem");
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SymbolTable testTable;
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auto problem_file = testTable.create("myfile.nix");
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printErrorInfo(
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ErrorInfo::NixLangWarning(
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"warning name",
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"warning description",
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Pos(problem_symbol, 40, 13),
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std::nullopt,
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"this is the problem line of code",
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std::nullopt,
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hintfmt("this hint has %1% templated %2%!!", "yellow", "values")));
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ErrorInfo{
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.level = elWarning,
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.name = "warning name",
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.description = "warning description",
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.hint = hintfmt("this hint has %1% templated %2%!!", "yellow", "values"),
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.nixCode = NixCode {
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.errPos = Pos(problem_file, 40, 13),
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.prevLineOfCode = std::nullopt,
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.errLineOfCode = "this is the problem line of code",
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.nextLineOfCode = std::nullopt
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}});
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// NixLangError is just the same as NixLangWarning, except for the Error
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// flag.
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printErrorInfo(
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ErrorInfo::NixLangError(
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"error name",
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"error description",
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Pos(problem_symbol, 40, 13),
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std::optional("previous line of code"),
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"this is the problem line of code",
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std::optional("next line of code"),
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hintfmt("this hint has %1% templated %2%!!", "yellow", "values")));
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ErrorInfo{
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.level = elError,
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.name = "error name",
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.description = "error description",
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.hint = hintfmt("this hint has %1% templated %2%!!", "yellow", "values"),
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.nixCode = NixCode {
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.errPos = Pos(problem_file, 40, 13),
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.prevLineOfCode = std::optional("previous line of code"),
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.errLineOfCode = "this is the problem line of code",
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.nextLineOfCode = std::optional("next line of code"),
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}});
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*/ return 0;
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return 0;
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}
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@ -17,51 +17,45 @@ string showErrPos(const ErrPos &errPos)
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};
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}
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void printCodeLines(const string &prefix, const ErrorInfo &einfo)
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void printCodeLines(const string &prefix, const NixCode &nixCode)
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{
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if (einfo.errPos.has_value()) {
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// previous line of code.
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if (einfo.prevLineOfCode.has_value()) {
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std::cout << format("%1% %|2$5d|| %3%")
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% prefix
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% (einfo.errPos->lineNumber - 1)
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% *einfo.prevLineOfCode
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<< std::endl;
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}
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// line of code containing the error.%2$+5d%
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// previous line of code.
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if (nixCode.prevLineOfCode.has_value()) {
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std::cout << format("%1% %|2$5d|| %3%")
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% prefix
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% (einfo.errPos->lineNumber)
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% einfo.errLineOfCode
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% prefix
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% (nixCode.errPos.lineNumber - 1)
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% *nixCode.prevLineOfCode
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<< std::endl;
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// error arrows for the column range.
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if (einfo.errPos->column > 0) {
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int start = einfo.errPos->column;
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std::string spaces;
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for (int i = 0; i < start; ++i) {
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spaces.append(" ");
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}
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std::string arrows("^");
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std::cout << format("%1% |%2%" ANSI_RED "%3%" ANSI_NORMAL) % prefix % spaces % arrows << std::endl;
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}
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// next line of code.
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if (einfo.nextLineOfCode.has_value()) {
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std::cout << format("%1% %|2$5d|| %3%")
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% prefix
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% (einfo.errPos->lineNumber + 1)
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% *einfo.nextLineOfCode
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<< std::endl;
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}
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}
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// line of code containing the error.%2$+5d%
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std::cout << format("%1% %|2$5d|| %3%")
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% prefix
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% (nixCode.errPos.lineNumber)
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% nixCode.errLineOfCode
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<< std::endl;
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// error arrows for the column range.
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if (nixCode.errPos.column > 0) {
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int start = nixCode.errPos.column;
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std::string spaces;
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for (int i = 0; i < start; ++i) {
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spaces.append(" ");
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}
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std::string arrows("^");
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std::cout << format("%1% |%2%" ANSI_RED "%3%" ANSI_NORMAL) % prefix % spaces % arrows << std::endl;
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}
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// next line of code.
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if (nixCode.nextLineOfCode.has_value()) {
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std::cout << format("%1% %|2$5d|| %3%")
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% prefix
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% (nixCode.errPos.lineNumber + 1)
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% *nixCode.nextLineOfCode
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<< std::endl;
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}
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}
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void printErrorInfo(const ErrorInfo &einfo)
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@ -107,14 +101,14 @@ void printErrorInfo(const ErrorInfo &einfo)
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<< std::endl;
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// filename.
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if (einfo.errPos.has_value()) {
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if (einfo.errPos->nixFile != "") {
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string eline = einfo.errLineOfCode != ""
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? string(" ") + showErrPos(*einfo.errPos)
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if (einfo.nixCode.has_value()) {
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if (einfo.nixCode->errPos.nixFile != "") {
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string eline = einfo.nixCode->errLineOfCode != ""
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? string(" ") + showErrPos(einfo.nixCode->errPos)
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: "";
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std::cout << format("%1%in file: " ANSI_BLUE "%2%%3%" ANSI_NORMAL)
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% prefix % einfo.errPos->nixFile % eline << std::endl;
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% prefix % einfo.nixCode->errPos.nixFile % eline << std::endl;
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std::cout << prefix << std::endl;
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} else {
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std::cout << format("%1%from command line argument") % prefix << std::endl;
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@ -127,8 +121,8 @@ void printErrorInfo(const ErrorInfo &einfo)
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std::cout << prefix << std::endl;
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// lines of code.
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if (einfo.errLineOfCode != "") {
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printCodeLines(prefix, einfo);
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if (einfo.nixCode->errLineOfCode != "") {
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printCodeLines(prefix, *einfo.nixCode);
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std::cout << prefix << std::endl;
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}
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@ -29,9 +29,24 @@ public:
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{
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lineNumber = pos.line;
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column = pos.column;
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nixFile = pos.file.str();
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nixFile = pos.file;
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return *this;
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}
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template <class P>
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ErrPos(const P &p)
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{
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*this = p;
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}
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};
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class NixCode
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{
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public:
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ErrPos errPos;
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std::optional<string> prevLineOfCode;
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string errLineOfCode;
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std::optional<string> nextLineOfCode;
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};
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// ----------------------------------------------------------------
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@ -99,55 +114,11 @@ public:
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string name;
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string description;
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std::optional<hintformat> hint;
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std::optional<string> prevLineOfCode;
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string errLineOfCode;
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std::optional<string> nextLineOfCode;
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std::optional<ErrPos> errPos;
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std::optional<NixCode> nixCode;
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static std::optional<string> programName;
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private:
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// template <class P>
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// static ErrorInfo NixLangEI(ErrLevel level,
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// const string &name,
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// const string &description,
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// const P &pos,
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// std::optional<string> prevloc,
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// string loc,
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// std::optional<string> nextloc,
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// const std::optional<hintformat> &hf)
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// {
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// ErrorInfo ei(level);
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// ei.name = name;
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// ei.description = description;
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// if (hf.has_value())
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// ei.hint = std::optional<string>(hf->str());
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// else
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// ei.hint = std::nullopt;
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// ErrLine errline;
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// errline.lineNumber = pos.line;
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// errline.column = pos.column;
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// errline.prevLineOfCode = prevloc;
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// errline.errLineOfCode = loc;
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// errline.nextLineOfCode = nextloc;
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// NixCode nixcode;
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// nixcode.nixFile = pos.file;
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// nixcode.errLine = std::optional(errline);
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// ei.nixCode = std::optional(nixcode);
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// return ei;
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// }
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// static ErrorInfo ProgramEI(ErrLevel level,
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// const string &name,
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// const string &description,
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// const std::optional<hintformat> &hf);
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// constructor is protected, so only the builder classes can create an ErrorInfo.
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};
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// --------------------------------------------------------
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