67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
#include "error.hh"
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#include "nixexpr.hh"
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#include <iostream>
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#include <optional>
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int main()
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{
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using namespace nix;
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// In each program where errors occur, this has to be set.
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ErrorInfo::programName = std::optional("error-demo");
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// Error in a program; no hint and no nix code.
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printErrorInfo(
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ErrorInfo { .level = elError,
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.name = "name",
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.description = "error description",
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});
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// Warning with name, description, and hint.
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// The hintfmt function makes all the substituted text yellow.
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printErrorInfo(
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ErrorInfo { .level = elWarning,
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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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});
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// Warning with nix file, line number, column, 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_file = testTable.create("myfile.nix");
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printErrorInfo(
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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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// Error with previous and next lines of code.
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printErrorInfo(
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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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}
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