rlp/rlpgen: remove build tag #28106
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rlp/rlpgen: remove build tag #28106
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This tag was supposed to prevent unstable output when types reference each other. Imagine there are two struct types A and B, where a reference to type B is in A. If I run rlpgen on type B first, and then on type A, the generator will see the B.EncodeRLP method and call it. However, if I run rlpgen on type A first, it will inline the encoding of B. The solution I chose for the initial release of rlpgen was to just ignore methods generated by rlpgen using a build tag. But there is a problem with this: if any code in the package calls EncodeRLP explicitly, the package can't be loaded without errors anymore in rlpgen, because the loader ignores it. Would be nice if there was a way to just make it ignore invalid functions during type checking (they're not necessary for rlpgen), but golang.org/x/tools/go/packages does not provide a way of ignoring them. Luckily, the types we use rlpgen with do not reference each other right now, so we can just remove the build tags for now.
fjl
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rjl493456442
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devopsbo3
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Nov 10, 2023
* rlp/rlpgen: remove build tag This tag was supposed to prevent unstable output when types reference each other. Imagine there are two struct types A and B, where a reference to type B is in A. If I run rlpgen on type B first, and then on type A, the generator will see the B.EncodeRLP method and call it. However, if I run rlpgen on type A first, it will inline the encoding of B. The solution I chose for the initial release of rlpgen was to just ignore methods generated by rlpgen using a build tag. But there is a problem with this: if any code in the package calls EncodeRLP explicitly, the package can't be loaded without errors anymore in rlpgen, because the loader ignores it. Would be nice if there was a way to just make it ignore invalid functions during type checking (they're not necessary for rlpgen), but golang.org/x/tools/go/packages does not provide a way of ignoring them. Luckily, the types we use rlpgen with do not reference each other right now, so we can just remove the build tags for now.
devopsbo3
added a commit
to HorizenOfficial/go-ethereum
that referenced
this pull request
Nov 10, 2023
This reverts commit ec2a227.
devopsbo3
added a commit
to HorizenOfficial/go-ethereum
that referenced
this pull request
Nov 10, 2023
This reverts commit ec2a227.
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This tag was supposed to prevent unstable output when types reference each other. Imagine there are two struct types A and B, where a reference to type B is in A. If I run rlpgen on type B first, and then on type A, the generator will see the B.EncodeRLP method and call it. However, if I run rlpgen on type A first, it will inline the encoding of B.
The solution I chose for the initial release of rlpgen was to just ignore methods generated by rlpgen using a build tag. But there is a problem with this: if any code in the package calls EncodeRLP explicitly, the package can't be loaded without errors anymore in rlpgen, because the loader ignores it. Would be nice if there was a way to just make it ignore invalid functions during type checking (they're not necessary for rlpgen), but golang.org/x/tools/go/packages does not provide a way of ignoring them.
Luckily, the types we use rlpgen with do not reference each other, so we can just remove the build tags for now.
Fixes #28008