MSAst.Expression CreatePostfixedExpression(Expression target, MSAst.ExpressionType op)
{
if (op == MSAst.ExpressionType.PostIncrementAssign)
op = MSAst.ExpressionType.Increment;
else
op = MSAst.ExpressionType.Decrement;
MSAst.ParameterExpression tmp = Ast.Parameter(typeof(object), "<post_operation>");
return GlobalParent.AddDebugInfo(
Ast.Block(
new[] { tmp },
Ast.Assign(tmp, target),
target.TransformSet(Span,
GlobalParent.Operation(
typeof(object),
op,
tmp
),
MSAst.ExpressionType.Default
),
tmp
),
Span
);
}
MSAst.Expression CreatePrefixedExpression(Expression target, MSAst.ExpressionType op)
{
if (op == MSAst.ExpressionType.PreIncrementAssign)
op = MSAst.ExpressionType.Increment;
else
op = MSAst.ExpressionType.Decrement;
return target.TransformSet(Span,
GlobalParent.Operation(
typeof(object),
op,
target
),
MSAst.ExpressionType.Default
);
}