protected void EmitFunction(ITree functionNode)
{
string functionName = functionNode.GetChild(0).Text;
Type functionReturnType = GetType(functionNode.GetChild(1).Text);
CurrentArgs_ = Functions_[CurrentTypeBuilder_.Name][functionName].Args;
CurrentILGenerator_ = Functions_[CurrentTypeBuilder_.Name][functionName].MethodBuilder.GetILGenerator();
LocalObjectDef.InitGenerator(CurrentILGenerator_);
var returnObjectDef = EmitExpression(functionNode.GetChild(2));
returnObjectDef.Load();
if (!functionReturnType.IsAssignableFrom(returnObjectDef.Type))
{
//if (!returnObjectDef.Type.IsAssignableFrom(functionReturnType))
CompilerErrors.Add(new InvalidReturnTypeError(
Functions_[CurrentTypeBuilder_.Name][functionName].MethodBuilder,
returnObjectDef.Type,
CompilerErrors.Count, functionNode.GetChild(2).Line, functionNode.GetChild(2).CharPositionInLine));
}
if (Functions_[CurrentTypeBuilder_.Name][functionName].MethodBuilder.ReturnType == typeof(void))
{
CurrentILGenerator_.Emit(OpCodes.Pop);
}
CurrentILGenerator_.Emit(OpCodes.Ret);
returnObjectDef.Remove();
}
protected void EmitField(ITree fieldNode)
{
CurrentILGenerator_ = Constructors_[CurrentTypeBuilder_.Name].GetILGenerator();
LocalObjectDef.InitGenerator(CurrentILGenerator_);
ObjectDef returnObjectDef;
if (fieldNode.ChildCount == 3)
{
returnObjectDef = EmitExpression(fieldNode.GetChild(2));
}
else
{
returnObjectDef = EmitDefaultValue(GetType(fieldNode.GetChild(1).Text));
}
if (!Constructors_[CurrentTypeBuilder_.Name].IsStatic)
{
CurrentILGenerator_.Emit(OpCodes.Ldarg_0);
returnObjectDef.Load();
CurrentILGenerator_.Emit(OpCodes.Stfld, Fields_[CurrentTypeBuilder_.Name][fieldNode.GetChild(0).Text].FieldInfo);
}
else
{
returnObjectDef.Load();
CurrentILGenerator_.Emit(OpCodes.Stsfld, Fields_[CurrentTypeBuilder_.Name][fieldNode.GetChild(0).Text].FieldInfo);
}
returnObjectDef.Remove();
}
