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error test

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This commit is contained in:
Ben Burdette 2020-03-23 15:29:49 -06:00
parent f694f43d7d
commit aadd59d005
3 changed files with 64 additions and 13 deletions
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34
src/libutil/error.cc
View file

@ -22,15 +22,26 @@ string showErrLine(ErrLine &errLine)
void print_code_lines(string &prefix, NixCode &nix_code)
{
if (nix_code.errLine.has_value())
{
// previous line of code.
if (nix_code.errLine->prevLineOfCode.has_value()) {
cout << format("%1% %2$+5d%| %3%") % prefix % (nix_code.errLine->lineNumber - 1) % *nix_code.errLine->prevLineOfCode;
cout << format("%1% %|2$5d|| %3%")
% prefix
% (nix_code.errLine->lineNumber - 1)
% *nix_code.errLine->prevLineOfCode
<< endl;
}
// line of code containing the error.
cout << format("%1% %2$+5d%| %3%") % prefix % (nix_code.errLine->lineNumber) % nix_code.errLine->errLineOfCode;
// line of code containing the error.%2$+5d%
cout << format("%1% %|2$5d|| %3%")
% prefix
% (nix_code.errLine->lineNumber)
% nix_code.errLine->errLineOfCode
<< endl;
// error arrows for the column range.
if (nix_code.errLine->columnRange.has_value())
@ -49,19 +60,21 @@ void print_code_lines(string &prefix, NixCode &nix_code)
arrows.append("^");
}
cout << format("%1% |%2%%3%") % prefix % spaces % arrows;
cout << format("%1% |%2%%3%") % prefix % spaces % arrows;
}
// next line of code.
if (nix_code.errLine->nextLineOfCode.has_value()) {
cout << format("%1% %2$+5d%| %3%") % prefix % (nix_code.errLine->lineNumber + 1) % *nix_code.errLine->nextLineOfCode;
cout << format("%1% %|2$5d|| %3%")
% prefix
% (nix_code.errLine->lineNumber + 1)
% *nix_code.errLine->nextLineOfCode
<< endl;
}
}
else
{
}
}
@ -99,7 +112,8 @@ void print_error(ErrorInfo &einfo)
% "---"
% einfo.errName
% dashes
% einfo.toolName;
% einfo.toolName
<< endl;
// filename.
if (einfo.nixCode.has_value())
@ -110,7 +124,7 @@ void print_error(ErrorInfo &einfo)
? string(" ") + showErrLine(*einfo.nixCode->errLine)
: "";
cout << format("%1%in file: %2%%3%") % prefix % *einfo.nixCode->nixFile % eline;
cout << format("%1%in file: %2%%3%") % prefix % *einfo.nixCode->nixFile % eline << endl;
cout << prefix << endl;
}
else

2
src/libutil/error.hh
View file

@ -3,11 +3,9 @@
#include "types.hh"
#include <string>
#include <optional>
// #include <boost/format.hpp>
using std::string;
using std::optional;
// using boost::format;
namespace nix {

39
tests/errors/main.cc Normal file
View file

@ -0,0 +1,39 @@
#include "error.hh"
#include <optional>
#include <iostream>
using std::optional;
int main() {
using namespace nix;
ColumnRange columnRange;
columnRange.start = 24;
columnRange.len = 14;
ErrLine errline;
errline.lineNumber = 7;
errline.columnRange = optional(columnRange);
errline.errLineOfCode = "line of code where the error occurred";
NixCode nixcode;
nixcode.nixFile = optional("myfile.nix");
nixcode.errLine = errline;
ErrorInfo generic;
generic.level = elError;
generic.errName = "error name";
generic.description = "general error description";
generic.toolName = "nixtool.exe";
generic.nixCode = nixcode;
print_error(generic);
return 0;
}