public static RomInfo CreateRom(CompiledProgram program, string assemblerPath)
{
var memoryManager = new MemoryManager(program);
var lines = new List <AssemblyLine>();
lines.AddRange(CreateHeader());
lines.AddRange(CreateStaticVariables(program.Types, memoryManager));
lines.AddRange(CreateEntryPoint(program.EntryPoint));
lines.AddRange(CreateMethods(program));
lines.AddRange(CreateInterruptVectors());
File.WriteAllLines(AssemblyFileName, lines.Select(l => l.ToString()));
var assembled = AssembleOutput(assemblerPath);
return(new RomInfo(assembled,
Path.GetFullPath(BinaryFileName),
Path.GetFullPath(AssemblyFileName),
Path.GetFullPath(SymbolsFileName),
Path.GetFullPath(ListFileName)));
}
private static IEnumerable <AssemblyLine> CreateMethods(CompiledProgram program)
{
var nodes = program.CallGraph.AllNodes;
var methods = program.Types.SelectMany(t => t.Subroutines)
.Where(s => s != program.EntryPoint)
.Where(s => s.Body.Any()) // Don't emit empty methods.
.Where(s => nodes.Any(n => n.Value == s.MethodDefinition)); // Don't emit methods that are never called.
yield return(Comment("Begin subroutine emit.", 0));
yield return(BlankLine());
foreach (var method in methods)
{
// Do not emit subroutines that will never be JSR'd.
if (method.TryGetFrameworkAttribute <AlwaysInlineAttribute>(out _))
{
continue;
}
foreach (var line in CreateMethod(method))
{
yield return(line);
}
}
yield return(Comment("End subroutine emit.", 0));
yield return(BlankLine());
IEnumerable <AssemblyLine> CreateMethod(CompiledSubroutine subroutine)
{
yield return(Comment(subroutine.MethodDefinition.ToString(), 0));
yield return(Label(LabelGenerator.GetFromMethod(subroutine.MethodDefinition)));
foreach (var line in subroutine.Body)
{
yield return(line);
}
yield return(BlankLine());
}
}
public static Task <RomInfo> CompileFromFiles(IEnumerable <string> filePaths, string frameworkPath, string dasmPath)
{
if (filePaths == null)
{
throw new ArgumentNullException(nameof(filePaths));
}
else if (!filePaths.Any())
{
throw new ArgumentException("No source files specified.", nameof(filePaths));
}
if (frameworkPath == null)
{
throw new ArgumentNullException(nameof(frameworkPath));
}
else if (string.IsNullOrWhiteSpace(frameworkPath))
{
throw new ArgumentException("VCS framework DLL path must be specified.", nameof(frameworkPath));
}
// TODO - No DASM path should mean the caller just wants the assembly output, not a compiled binary.
var compilation = CompilationCreator.CreateFromFilePaths(filePaths);
var assemblyDefinition = GetAssemblyDefinition(compilation, out var assemblyStream);
var frameworkAssembly = System.Reflection.Assembly.Load(new AssemblyName(Path.GetFileNameWithoutExtension(frameworkPath)));
var frameworkAttributes = frameworkAssembly.ExportedTypes.Where(t => t.GetTypeInfo().BaseType == typeof(Attribute));
var compiler = new Compiler(frameworkAssembly, assemblyDefinition, frameworkAttributes.ToArray());
compiler.AddPredefinedTypes();
var frameworkCompiledAssembly = CompileAssembly(compiler, AssemblyDefinition.ReadAssembly(frameworkPath, new ReaderParameters {
ReadSymbols = true
}));
var userCompiledAssembly = CompileAssembly(compiler, assemblyDefinition);
var callGraph = CallGraph.CreateFromEntryMethod(userCompiledAssembly.EntryPoint);
var program = new CompiledProgram(new[] { frameworkCompiledAssembly, userCompiledAssembly }, callGraph);
var romInfo = RomCreator.CreateRom(program, dasmPath);
return(Task.FromResult(romInfo));
}
public MemoryManager(CompiledProgram program)
{
Program = program;
AllSymbols = AddPredefinedGlobals().Concat(LayoutGlobals()).Concat(AllocateLocalAddresses(program.CallGraph));
}