public CilMethodBody Compile(MethodDefinition method, CilCompilationUnit unit)
{
var methodBody = new CilMethodBody(method);
var context = new CodeGenerationContext(methodBody, _constants, unit.FlagVariable, _flagHelperType);
var cilGenerator = new CilCodeGenerator(context);
context.CodeGenerator = cilGenerator;
// Traverse and recompile the AST.
methodBody.Instructions.AddRange(unit.AcceptVisitor(cilGenerator));
// Add variables to the method body.
if (context.Variables.Count > 0)
{
foreach (var variable in context.Variables.Values)
{
methodBody.LocalVariables.Add(variable);
}
methodBody.InitializeLocals = true;
}
methodBody.Instructions.OptimizeMacros();
// Add all generated exception handlers to the method body.
var handlers = context.ExceptionHandlers.Values.ToList();
handlers.Sort(new EHComparer());
foreach (var handler in handlers)
{
if (EnableExceptionHandlerValidation)
{
AssertValidityExceptionHandler(method, handler);
}
methodBody.ExceptionHandlers.Add(handler);
}
if (!EnableStackVerification)
{
methodBody.ComputeMaxStackOnBuild = false;
methodBody.MaxStack = ushort.MaxValue;
}
return(methodBody);
}
public CilCodeGenerator(CodeGenerationContext context)
{
_context = context ?? throw new ArgumentNullException(nameof(context));
_formatter = new CilAstFormatter(context.MethodBody);
}
