public void Compile(CompilationContext context)
{
Label elseLabel = context.ilGenerator.DefineLabel();
Label endIfLabel = context.ilGenerator.DefineLabel();
condition.Compile(context);
context.Emit(OpCodes.Brfalse, elseLabel);
if (trueBranch != null)
{
trueBranch.Compile(context);
}
if (falseBranch != null)
{
context.Emit(OpCodes.Br, endIfLabel);
}
context.ilGenerator.MarkLabel(elseLabel);
if (falseBranch != null)
{
falseBranch.Compile(context);
}
context.ilGenerator.MarkLabel(endIfLabel);
}
public void BuildCopyImplMethod()
{
if (ReflectionUtils.IsNullable(from))
{
from = Nullable.GetUnderlyingType(from);
}
if (ReflectionUtils.IsNullable(to))
{
to = Nullable.GetUnderlyingType(to);
}
MethodBuilder methodBuilder = typeBuilder.DefineMethod(
"MapImpl",
MethodAttributes.Public | MethodAttributes.Virtual,
typeof(object),
new Type[] { typeof(object), typeof(object), typeof(object) }
);
ILGenerator ilGen = methodBuilder.GetILGenerator();
CompilationContext compilationContext = new CompilationContext(ilGen);
AstComplexNode mapperAst = new AstComplexNode();
var locFrom = ilGen.DeclareLocal(from);
var locTo = ilGen.DeclareLocal(to);
var locState = ilGen.DeclareLocal(typeof(object));
LocalBuilder locException = null;
mapperAst.nodes.Add(BuilderUtils.InitializeLocal(locFrom, 1));
mapperAst.nodes.Add(BuilderUtils.InitializeLocal(locTo, 2));
mapperAst.nodes.Add(BuilderUtils.InitializeLocal(locState, 3));
#if DEBUG
locException = compilationContext.ilGenerator.DeclareLocal(typeof(Exception));
#endif
var mappingOperations = mappingConfigurator.GetMappingOperations(from, to);
StaticConvertersManager staticConverter = mappingConfigurator.GetStaticConvertersManager();
mapperAst.nodes.Add(
new MappingOperationsProcessor()
{
locException = locException,
locFrom = locFrom,
locState = locState,
locTo = locTo,
objectsMapperManager = objectsMapperManager,
compilationContext = compilationContext,
storedObjects = storedObjects,
operations = mappingOperations,
mappingConfigurator = mappingConfigurator,
rootOperation = mappingConfigurator.GetRootMappingOperation(from, to),
staticConvertersManager = staticConverter ?? StaticConvertersManager.DefaultInstance
}.ProcessOperations()
);
mapperAst.nodes.Add(
new AstReturn()
{
returnType = typeof(object),
returnValue = AstBuildHelper.ReadLocalRV(locTo)
}
);
mapperAst.Compile(compilationContext);
}