0e64ee1286
The fully streaming UnmarshalJSONFrom method and UnmarshalFromFunc introduce an edge case where they can encounter EOF in the stream, where it should be reported upstream as EOF rather than ErrUnexpectedEOF or be wrapped within a SemanticError. This is not possible with other unmarshal methods since the "json" package would read the appropriate JSON value before calling the custom method or function. To avoid custom unmarshal methods from encountering EOF, check whether the stream is already at EOF for top-level values before calling the custom method. Also, when wrapping EOF within a SemanticError, convert it to ErrUnexpectedEOF to better indicate that this is unexpected. Fixes #75802 Change-Id: I001396734b7e95b5337f77b71326284974ee730a Reviewed-on: https://go-review.googlesource.com/c/go/+/710877 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Johan Brandhorst-Satzkorn <johan.brandhorst@gmail.com> Reviewed-by: Michael Pratt <mpratt@google.com> Reviewed-by: Carlos Amedee <carlos@golang.org> |
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