avinal/The-Hack-Assembler
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avinal
2020-08-10 16:10:12 +05:30
parent 71d3bb52ad
commit 4fa4f128d5
2 changed files with 5 additions and 4 deletions
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6
include/parser.hpp
View File

@@ -1,15 +1,15 @@
#include <fstream> #include <fstream>
#include <vector> #include <vector>
#include <unordered_map> #include <unordered_map>
#include <functional>
#include <algorithm> #include <algorithm>
#include <bitset> #include <bitset>
#include "symbol_table.hpp"
class parser class parser
{ {
private: private:
std::string filename; std::string filename;
int count_ins = 0; symbol_table table;
public: public:
parser() {} parser() {}
@@ -18,7 +18,7 @@ public:
void assemble(); void assemble();
std::vector<std::array<char, 16>> get_machine_code; std::vector<std::array<char, 16>> get_machine_code;
char command_type(std::string mnemonic); char command_type(std::string mnemonic);
std::string symbol(); void create_table();
std::string dest(std::string des); std::string dest(std::string des);
std::string comp(std::string com); std::string comp(std::string com);
std::string jump(std::string jum); std::string jump(std::string jum);

3
include/symbol_table.hpp
View File

@@ -32,10 +32,11 @@ private:
{"SCREEN", 16384}, {"SCREEN", 16384},
{"KBD", 24576}, {"KBD", 24576},
}; };
int next = 15;
public: public:
symbol_table() {} symbol_table() {}
int available();
void add_entry(std::string symbol, int address); void add_entry(std::string symbol, int address);
bool contains(std::string symbol); bool contains(std::string symbol);
int get_address(std::string symbol); int get_address(std::string symbol);