public static void Generate(ProgramSource ps, X86Assembly assembly, X86Instruction x86Instruction) { var translator = new CSharpTranslator(assembly); var addressTranslator = new CSharpTranslator(assembly, true); switch (x86Instruction.Name) { case "add": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " += " + x86Instruction.Src.GetCode(translator)); break; case "and": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " &= " + x86Instruction.Src.GetCode(translator)); break; case "call": if (x86Instruction.OperandCount != 1) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Label) throw new WrongParameterException(x86Instruction); string function = x86Instruction.Dst.GetCode(translator); if (!X86Assembler.IsFunction(function)) throw new UnknownFunctionException(x86Instruction); ps.AddCodeLine("vm." + x86Instruction.Dst.GetCode(translator) + "()"); break; case "cmp": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); GenerateCmp(ps, x86Instruction.Dst.GetCode(translator), x86Instruction.Src.GetCode(translator)); break; case "jmp": case "je": case "jne": case "jg": case "jge": case "jl": case "jle": case "jz": case "jnz": case "loop": JumpInstruction(ps, assembly, x86Instruction); break; case "lea": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) { ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = " + x86Instruction.Src.GetCode(translator)); break; } if (x86Instruction.Src.Type == OperandTypes.Memory) { ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = " + x86Instruction.Src.GetCode(addressTranslator)); break; } throw new WrongParameterException(x86Instruction); case "mov": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label && !assembly.ConstantExists(((LabelArgument) x86Instruction.Src).Label)) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = " + x86Instruction.Src.GetCode(translator)); break; case "mul": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " *= " + x86Instruction.Src.GetCode(translator)); break; case "or": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " |= " + x86Instruction.Src.GetCode(translator)); break; case "push": if (x86Instruction.OperandCount != 1) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); ps.AddCodeLine("vm.Push(" + x86Instruction.Dst.GetCode(translator) + ")"); break; case "pop": if (x86Instruction.OperandCount != 1) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = vm.Pop()"); break; case "ret": if (x86Instruction.OperandCount != 0) throw new WrongParameterException(x86Instruction); ps.AddCodeLine("return;"); break; case "shl": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " <<= " + x86Instruction.Src.GetCode(translator)); break; case "shr": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " >>= " + x86Instruction.Src.GetCode(translator)); break; case "sub": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " -= " + x86Instruction.Src.GetCode(translator)); break; case "xor": if (x86Instruction.OperandCount != 2) throw new WrongParameterException(x86Instruction); if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) throw new WrongParameterException(x86Instruction); if (x86Instruction.Src.Type == OperandTypes.Label) throw new WrongParameterException(x86Instruction); ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " ^= " + x86Instruction.Src.GetCode(translator)); break; } }
public static void Generate(ProgramSource ps, X86Assembly assembly, X86Instruction x86Instruction) { var translator = new CSharpTranslator(assembly); var addressTranslator = new CSharpTranslator(assembly, true); switch (x86Instruction.Name) { case "add": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " += " + x86Instruction.Src.GetCode(translator)); break; case "and": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " &= " + x86Instruction.Src.GetCode(translator)); break; case "call": if (x86Instruction.OperandCount != 1) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } string function = x86Instruction.Dst.GetCode(translator); if (!X86Assembler.IsFunction(function)) { throw new UnknownFunctionException(x86Instruction); } ps.AddCodeLine("vm." + x86Instruction.Dst.GetCode(translator) + "()"); break; case "cmp": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } GenerateCmp(ps, x86Instruction.Dst.GetCode(translator), x86Instruction.Src.GetCode(translator)); break; case "jmp": case "je": case "jne": case "jg": case "jge": case "jl": case "jle": case "jz": case "jnz": case "loop": JumpInstruction(ps, assembly, x86Instruction); break; case "lea": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = " + x86Instruction.Src.GetCode(translator)); break; } if (x86Instruction.Src.Type == OperandTypes.Memory) { ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = " + x86Instruction.Src.GetCode(addressTranslator)); break; } throw new WrongParameterException(x86Instruction); case "mov": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label && !assembly.ConstantExists(((LabelArgument)x86Instruction.Src).Label)) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = " + x86Instruction.Src.GetCode(translator)); break; case "mul": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " *= " + x86Instruction.Src.GetCode(translator)); break; case "or": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " |= " + x86Instruction.Src.GetCode(translator)); break; case "push": if (x86Instruction.OperandCount != 1) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine("vm.Push(" + x86Instruction.Dst.GetCode(translator) + ")"); break; case "pop": if (x86Instruction.OperandCount != 1) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " = vm.Pop()"); break; case "ret": if (x86Instruction.OperandCount != 0) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine("return;"); break; case "shl": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " <<= " + x86Instruction.Src.GetCode(translator)); break; case "shr": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " >>= " + x86Instruction.Src.GetCode(translator)); break; case "sub": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " -= " + x86Instruction.Src.GetCode(translator)); break; case "xor": if (x86Instruction.OperandCount != 2) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Dst.Type != OperandTypes.Memory && x86Instruction.Dst.Type != OperandTypes.Register) { throw new WrongParameterException(x86Instruction); } if (x86Instruction.Src.Type == OperandTypes.Label) { throw new WrongParameterException(x86Instruction); } ps.AddCodeLine(x86Instruction.Dst.GetCode(translator) + " ^= " + x86Instruction.Src.GetCode(translator)); break; } }