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#ifndef ARZU_INTERPRETER_PARSER
#define ARZU_INTERPRETER_PARSER
#include <list>
#include <deque>
#include <string>
#include <fstream>
#include "Memory.h"
using namespace std;
struct Instruction {
string name;
unsigned argc;
void (*exec)(Memory&);
Instruction(const char* str, unsigned argc, void (*exec)(Memory&));
};
struct Atom {
bool (*isAtomChar)(char);
MemoryData* (*absorb)(ifstream&);
Atom(bool (*isAtomChar)(char), MemoryData* (*absorb)(ifstream&));
};
class PNParser {
deque<Instruction> instr;
deque<Atom> atoms;
void evaluateFunction(Memory& mem, Function* func, ifstream& inFile);
void pushToWork(Memory& mem, MemoryData* data, ifstream& inFile);
void parseScope(ifstream& inFile, Memory& mem, int start, int end);
public:
PNParser() = default;
void addInstr(Instruction);
void addAtom(Atom);
void parse(ifstream&, Memory&);
};
#endif
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