private void HandleVariableExpression(VariableSyntaxNode varNode, bool isRight, bool willBeMethodCall, ref IType?expressionResultType)
{
{
if (!isRight && willBeMethodCall)
{
throw new InvalidLValueException("Cannot have a method call on the left");
}
if (currentMethodInfo.Locals.TryGetValue(varNode.Name, out var localVar))
{
if (isRight)
{
if (willBeMethodCall && localVar.LocalType.IsValueType)
{
generator.EmitLdloca(localVar);
}
else
{
generator.EmitLdloc(localVar);
}
}
else
{
generator.EmitStloc(localVar);
}
expressionResultType = localVar.LocalType;
}
else if (currentMethodInfo.Parameters.TryGetValue(varNode.Name, out var parameterVar))
{
if (isRight)
{
if (willBeMethodCall && parameterVar.type.IsValueType)
{
generator.EmitLdarga(parameterVar.idx);
}
else
{
generator.EmitLdarg(parameterVar.idx);
}
}
else
{
generator.EmitStarg(parameterVar.idx);
}
expressionResultType = parameterVar.type;
}
else if (currentMethodInfo.Fields.TryGetValue(varNode.Name, out var fieldVar))
{
if (fieldVar.IsStatic)
{
// If field is static, it can always be accessed
if (isRight)
{
if (willBeMethodCall && fieldVar.FieldType.IsValueType)
{
generator.EmitLdsflda(fieldVar);
}
else
{
generator.EmitLdsfld(fieldVar);
}
}
else
{
generator.EmitStsfld(fieldVar);
}
}
else
{
if (currentMethodInfo.IsStatic)
{
throw new InstanceFieldAccessException("Invalid to access instance field in static method");
}
if (isRight)
{
generator.EmitLdthis();
if (willBeMethodCall && fieldVar.FieldType.IsValueType)
{
generator.EmitLdflda(fieldVar);
}
else
{
generator.EmitLdfld(fieldVar);
}
}
else
{
generator.EmitStfld(fieldVar);
}
}
expressionResultType = fieldVar.FieldType;
}
else
{
// Try to see if we are trying to grab a delegate
foreach (var method in store.Methods ![currentMethodInfo.Type])