public override void Generate(ILProcessor il, SemanticEnvironment environment)
{
var list = new ExpList();
if (ExpList is ExpList expList)
{
list = expList;
}
foreach (var node in list.Nodes)
{
node.Generate(il, environment);
}
PostfixNode.Generate(il, environment);
if (PostfixNode is Id id) // Push null to stack if function return void.
{
var type = (environment.GetSymbol(id.IdName) as FuncSymbol).Type as FuncType;
if (type.ReturnType.SymbolTypeKind == SymbolTypeKind.VOID)
{
il.Emit(OpCodes.Ldnull);
}
}
else
{
throw new NotImplementedException();
}
}
public override void Generate(ILProcessor il, SemanticEnvironment environment)
{
var symbol = environment.GetSymbol(IdName);
switch (symbol)
{
case VarSymbol varSymbol:
switch (varSymbol.VariableType)
{
case VarSymbol.VarType.VARIABLE:
il.Emit(OpCodes.Ldloc, varSymbol.VariableDefinition);
break;
case VarSymbol.VarType.PARAMETER:
il.Emit(OpCodes.Ldarg, varSymbol.ParameterDefinition);
break;
default:
throw new ArgumentOutOfRangeException();
}
break;
case FuncSymbol funcSymbol:
il.Emit(OpCodes.Call, funcSymbol.Definition);
break;
}
}