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#pragma once
#include "OpCode.h"
namespace code {
// Implements code and macros for convenient creation of tables mapping from
// an op-code to something else.
template <class T>
struct OpEntry {
op::OpCode opCode;
T data;
};
template <class T>
class OpTable {
public:
// Create the table.
OpTable(const OpEntry<T> *entries, nat count) {
for (nat i = 0; i < ARRAY_COUNT(data); i++)
data[i] = T();
for (nat i = 0; i < count; i++) {
const OpEntry<T> &e = entries[i];
// assert(data[e.opCode] == null);
data[e.opCode] = e.data;
}
}
// Get the op-code at location 'o'.
T &operator[](op::OpCode o) { return data[o]; }
private:
// Data.
T data[op::numOpCodes];
};
/**
* Contains a subset of op-codes.
*/
class OpSet {
public:
// Create.
inline OpSet(const op::OpCode *opCodes, nat count) {
for (nat i = 0; i < ARRAY_COUNT(data); i++)
data[i] = false;
for (nat i = 0; i < count; i++) {
op::OpCode c = opCodes[i];
data[c] = true;
}
}
// Get the op-code at 'o'.
inline bool operator[](op::OpCode o) { return data[o]; }
private:
// Data.
bool data[op::numOpCodes];
};
}
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