public void Decompile(string file)
{
file = string.Concat(_testPaths[Environment.MachineName], file);
var objData = Compile(file);
var reader = new CodeReader(objData);
var writer = new InstructionTextWriter(Console.Out);
foreach (var instruction in reader)
{
writer.Write(instruction);
}
}
public void AssembleSimple()
{
var x = new[]
{
new Instruction(OpCode.Mov, "Put 1 into r1").Destination(Register.A).Source(1),
new Instruction(OpCode.Exit, "Exit with r1").Source(Register.A),
};
var grammer = new AsmStructuralGrammar();
var p = new ParserState(TestPrograms.ReallySimpleProgram);
bool parseResult = grammer.program.Match(p);
Assert.That(parseResult, Is.True);
var assembler = new Assembler(p);
var code = assembler.Assemble().ToList();
using (var w = new InstructionTextWriter(Console.Out))
code.ForEach(w.Write);
Assert.That(code, Is.EquivalentTo(x).Using(new InstructionComparer()));
}
public void OpenFile(string file)
{
var grammar = new AsmStructuralGrammar();
file = string.Concat(_testPaths[Environment.MachineName], file);
var outputFile = Path.ChangeExtension(file, ".asm");
using (var stringWriter = File.CreateText(outputFile))
using (var writer = new InstructionTextWriter(stringWriter))
{
string source = File.ReadAllText(file);
var parser = new ParserState(source);
var result = grammar.program.Match(parser);
Assert.That(result, Is.True);
var printer = new CppStructuralOutputAsXml();
printer.Print(parser.GetRoot());
Console.WriteLine(printer.AsXml());
var assembler = new Assembler(parser);
assembler.Assemble().ToList().ForEach(writer.Write);
}
}
public void WriteMissingParameter()
{
var badInstruction = new Instruction(OpCode.Mov).Source(10);
Assert.That(badInstruction.ToString(), Is.StringMatching(@"^Mov"));
var ms = new StringWriter();
using (var writer = new InstructionTextWriter(ms))
{
writer.Write(badInstruction);
}
}
public void WriteExtraParameter()
{
var badInstruction = new Instruction(OpCode.Ret).Source(10);
Assert.That(badInstruction.ToString(), Is.StringMatching(@"^Ret\s+\$10"));
var ms = new StringWriter();
using (var writer = new InstructionTextWriter(ms))
writer.Write(badInstruction);
}
public void WriteBadOpCode()
{
var badInstruction = new Instruction((OpCode) 254);
Assert.That(badInstruction.ToString(), Is.StringMatching(@"^254\s+;.*"));
var ms = new StringWriter();
using (var writer = new InstructionTextWriter(ms))
writer.Write(badInstruction);
}
