#include "generator.h" #include "instruction.h" #include #include namespace bf { void Generator::run() { counter = 0; std::memset(array, 0, sizeof(array)); while (!lbrackets.empty()) lbrackets.pop(); for(int instruct = 0; instruct < program.size(); instruct++) { switch(program[instruct]) { case Instruction::EMPTY: break; case Instruction::PLUS: array[counter]++; break; case Instruction::MINUS: array[counter]--; break; case Instruction::GREATER: if (++counter == 30000) { std::cout << "Tried to access unavailable memory" << std::endl; return; } break; case Instruction::LESS: if (--counter == -1) { std::cout << "Tried to access unavailable memory" << std::endl; return; } break; case Instruction::POINT: std::cout << (char)array[counter]; break; case Instruction::COMMA: char c; std::cin >> c; array[counter] = (int)c; break; case Instruction::LBRACKET: lbrackets.push(instruct); if (array[counter] == 0) while (program[++instruct] != Instruction::RBRACKET) {} break; case Instruction::RBRACKET: if (array[counter] != 0) instruct = lbrackets.top(); else lbrackets.pop(); break; default: // Won't happen break; } } } } // namespace bf