elna/cli/main.cc

#include <elna/source/driver.h>
#include "parser.hh"
#include <sstream>

constexpr std::size_t pointer_size = 4;

int main()
{
    elna::source::driver driver{ "-" };
    std::istringstream inp(R"(
        proc f();
        begin
        end;

        var x: Int;

        begin
            x := 4 + 2
        end.
    )");

    elna::source::lexer lexer(inp);
    yy::parser parser(lexer, driver);
    
    if (auto result = parser())
    {
        for (const auto& error : driver.errors())
        {
            std::cerr << error->path << ':'
                << error->line() << ':' << error->column()
                << ": error: " << error->what()
                << '.' << std::endl;
        }
        return result;
    }
    for (auto& definition : driver.tree->definitions())
    {
        std::cout << "Definition identifier: " << definition->identifier() << std::endl;
    }
    return 0;
}