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#ifndef INTERPRETER_MATHOPCODES_H_INCLUDED
#define INTERPRETER_MATHOPCODES_H_INCLUDED
#include <cmath>
#include <stdexcept>
#include "opcodes.hpp"
#include "runtime.hpp"
namespace Interpreter
{
template <typename T>
class OpAddInt : public Opcode0
{
public:
void execute(Runtime& runtime) override
{
T result = getData<T>(runtime[1]) + getData<T>(runtime[0]);
runtime.pop();
getData<T>(runtime[0]) = result;
}
};
template <typename T>
class OpSubInt : public Opcode0
{
public:
void execute(Runtime& runtime) override
{
T result = getData<T>(runtime[1]) - getData<T>(runtime[0]);
runtime.pop();
getData<T>(runtime[0]) = result;
}
};
template <typename T>
class OpMulInt : public Opcode0
{
public:
void execute(Runtime& runtime) override
{
T result = getData<T>(runtime[1]) * getData<T>(runtime[0]);
runtime.pop();
getData<T>(runtime[0]) = result;
}
};
template <typename T>
class OpDivInt : public Opcode0
{
public:
void execute(Runtime& runtime) override
{
T left = getData<T>(runtime[0]);
if (left == 0)
throw std::runtime_error("division by zero");
T result = getData<T>(runtime[1]) / left;
runtime.pop();
getData<T>(runtime[0]) = result;
}
};
template <typename T, typename C>
class OpCompare : public Opcode0
{
public:
void execute(Runtime& runtime) override
{
int result = C()(getData<T>(runtime[1]), getData<T>(runtime[0]));
runtime.pop();
runtime[0].mInteger = result;
}
};
}
#endif
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