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#include "assembler.h"
using namespace std::string_literals;
namespace {
std::unordered_map<std::string, FactoryFunction> ops;
}
bool registerOp(const std::string& mnemonic, FactoryFunction f)
{
if (ops.contains(mnemonic)) {
std::cout << "Warning: mnemonic |" << mnemonic << "| already registered." << std::endl;
return false;
}
std::cout << "Registering mnemonic |" << mnemonic << "|." << std::endl;
ops[mnemonic] = f;
return true;
}
std::string mangleName(const std::string& s, AsmArgs& args)
{
std::string result {s};
for (const auto& arg: args) {
result += "_"s + arg.type().name();
}
return result;
}
std::shared_ptr<Op> makeOp(const std::string& mnemonic, AsmArgs& args)
{
std::string mangled{mangleName(mnemonic, args)};
const auto& i{ops.find(mangled)};
if (i == ops.end())
throw std::runtime_error("Instruction "s + mangled + " not implemented.");
return i->second(args);
}
std::shared_ptr<Op> makeOp(const std::string& mnemonic)
{
AsmArgs dummy; // empty list of arguments
return makeOp(mnemonic, dummy);
}
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