#include "legacy.h"
#include "session.h"
#include "parser.h"

#include <fxos/util/log.h>

bool legacy_command(Session &session, std::string const &cmd, Parser &parser)
{
    if(cmd == "vc") {
        std::string name
            = parser.at_end()
                  ? session.legacyGenerateSpaceName("space", true)
                  : session.legacyGenerateSpaceName(parser.symbol(), false);
        parser.end();

        /* Construct a new legacy space at name */
        session.legacySpaces[name];
        session.legacyCurrentSpace = name;
        return true;
    }
    else if(cmd == "vm") {
        LegacyBinding b;
        b.path = parser.str();
        while(!parser.at_end())
            b.regions.push_back(parser.region(nullptr));
        parser.end();

        session.legacySpaces[session.legacyCurrentSpace].bindings.push_back(b);
        return true;
    }
    else if(cmd == "vs") {
        std::string name = parser.symbol("vspace_name");
        parser.end();

        if(session.legacySpaces.count(name))
            session.legacyCurrentSpace = name;
        return true;
    }
    else if(cmd == "ms") {
        auto &lvs = session.legacySpaces[session.legacyCurrentSpace];

        if(parser.lookahead().type == T::SYSCALL) {
            int id = parser.expect(T::SYSCALL).value.NUM;
            lvs.syscalls[id] = parser.symbol();
        }
        else {
            int addr = parser.expr(nullptr);
            lvs.symbols[addr] = parser.symbol();
        }

        return true;
    }
    else if(cmd != "." && cmd != ".dt") {
        FxOS_log(
            WRN, "skipping unrecognized command '%s' in fxosrc", cmd.c_str());
    }
    return false;
}