[Mlir-commits] [mlir] [mlir-lsp] Abstract input and output of the `JSONTransport` (PR #129320)

[Nikolay Panchenko]

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@@ -43,14 +43,86 @@ enum JSONStreamStyle {
   Delimited
 };
 
+/// An abstract class used by the JSONTransport to read JSON message.
+class JSONTransportInput {
+public:
+  explicit JSONTransportInput(JSONStreamStyle style = JSONStreamStyle::Standard)
+      : style(style) {}
+  virtual ~JSONTransportInput() = default;
+
+  virtual bool getError() const = 0;
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npanchen wrote:

you're right, I wanted to return error first, but it won't be easy if error type is different for custom implementation.

https://github.com/llvm/llvm-project/pull/129320