Files
Assembleur/src/IO.cpp
2024-11-13 14:50:22 +01:00

110 lines
2.9 KiB
C++

#include "IO.h"
#include "Assembleur.h"
#include <algorithm>
#include <bitset>
#include <cstring>
#include <fstream>
#include <iomanip>
static std::uint32_t reverseInt(std::uint32_t a_Int) {
std::uint32_t result = 0;
for (int i = 0; i < 32; i++) {
result |= a_Int & 0x1;
result <<= 1;
a_Int >>= 1;
}
return result;
}
static void reverseDataByte(BinaryData& a_Data) {
for (std::uint32_t& element : a_Data) {
element = reverseInt(element);
}
}
BinaryData ParseFile(const std::string& fileName) {
std::ifstream file{fileName};
std::uint32_t lineNumber = 0, realLineNumber = 0;
std::string currentLine;
std::vector<std::string> lines;
Assembleur assembleur;
BinaryData output;
// parsing labels
while (getline(file, currentLine)) {
lines.push_back(currentLine);
lineNumber++;
realLineNumber++;
if (currentLine.find(":") != std::string::npos) {
std::string label = currentLine.substr(0, currentLine.size() - 1);
assembleur.AddLabel(label, lineNumber);
lineNumber--;
}
}
lineNumber = realLineNumber = 0;
// parsing instructions
for (std::string line : lines) {
lineNumber++;
realLineNumber++;
if (line.find(":") == std::string::npos) {
output.push_back(assembleur.ParseInstruction(line, lineNumber, realLineNumber));
} else {
lineNumber--;
}
}
return output;
}
void OutputFileBinary(BinaryData& a_Data, const std::string& fileName, bool a_Reverse) {
std::ofstream file{fileName};
if (a_Reverse)
reverseDataByte(a_Data);
file.write(reinterpret_cast<const char*>(a_Data.data()), a_Data.size() * sizeof(a_Data.at(0)));
}
void OutputFileIntegers(BinaryData& a_Data, const std::string& fileName, bool a_Reverse) {
std::ofstream file{fileName};
if (a_Reverse)
reverseDataByte(a_Data);
for (std::uint32_t number : a_Data) {
file << number << "\n";
}
}
void OutputFileBinIntegers(BinaryData& a_Data, const std::string& fileName, bool a_Reverse) {
std::ofstream file{fileName};
if (a_Reverse)
reverseDataByte(a_Data);
for (std::uint32_t number : a_Data) {
file << std::bitset<8>(number >> 24) << " " << std::bitset<8>(number >> 16) << " " << std::bitset<8>(number >> 8) << " "
<< std::bitset<8>(number) << "\n";
}
}
void OutputFileLogisim(BinaryData& a_Data, const std::string& fileName, const std::string& a_Header, bool a_Reverse) {
std::ofstream file{fileName};
file << a_Header << "\n";
std::uint64_t cursor = 0;
if (a_Reverse)
reverseDataByte(a_Data);
for (std::uint32_t number : a_Data) {
if (cursor % 8 == 0) {
file << std::setfill('0') << std::setw(4) << std::hex << cursor << std::dec << ": ";
file << std::bitset<8>(number >> 24) << " " << std::bitset<8>(number >> 16) << " " << std::bitset<8>(number >> 8) << " "
<< std::bitset<8>(number) << " ";
} else {
file << std::bitset<8>(number >> 24) << " " << std::bitset<8>(number >> 16) << " " << std::bitset<8>(number >> 8) << " "
<< std::bitset<8>(number) << "\n";
}
cursor += 4;
}
}