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Frumkin

Aug 16th, 2021

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C++ 1.53 KB | None | 0 0

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void Diagnostics::ThrowSyntaxError(const std::string& error, const std::size_t selection) const {
std::array<std::size_t, 2> position = map(selection);
std::cerr << "\033[1;31mSyntax error\033[0m at line " << "\033[0;32m" + std::to_string(position[0] + 1) + "\033[0m" << ", column " << "\033[0;32m" + std::to_string(position[1] + 1) + "\033[0m" << ":\n" << error << std::endl;
constexpr std::size_t distance = 10;
std::size_t start = selection - distance;
std::size_t end = selection + distance;
if (position[1] < distance) {
start = selection - position[1];
}
if (position[1] + distance >= lines[position[0]]) {
end = selection + lines[position[0]] - position[1];
}
std::string peekCode = "";
for (std::size_t index = start; index < end + 1; index += 1) {
peekCode += (*code)[index];
}
std::cout << "\"" << peekCode << "\"" << std::endl;
for (std::size_t index = 0; index < selection - start; index += 1) {
std::cout << " ";
}
std::cout << "\033[1;32m~~~\033[0m" << std::endl;
Fail();
}
void Diagnostics::Fail() const {
End(-1.0);
exit(1);
}
void Diagnostics::End(const double time) const {
int exitCode = 1;
if (time >= 0.0) {
std::cout << "\nTranspile time: \033[0;32m" + std::to_string(time) + "\033[0m seconds." << std::endl;
exitCode = 0;
}
std::cout << "\nExited with exit code: \033[1;31m" + std::to_string(exitCode) + "\033[0m." << std::endl;
enclose();
}

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