Implement expand_task and list_macros in proc_macro_srv #3920
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lnicola
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lnicola
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matklad
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| serde_derive = "=1.0.104" |
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It is because we want to lock the version of proc macro to test with. They would change whatSerialize to expand which may change the test result.
matklad
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Apr 10, 2020
matklad
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lnicola
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Apr 10, 2020
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I changed to use std::io::Error for all dylib loading code and fixed other nits too. |
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bors r+ |
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This PR finish up the remain
proc_macro_srvimplementation :Added dylib loading code for proc-macro crate dylib. Note that we have to add some special flags for unix loading because of a bug in old version of glibc, see Some notes about the panic fedochet/rust-proc-macro-panic-inside-panic-expample#1 and Panic inside panic when procedural macro is called with proc_macro::bridge::client rust#60593 for details.
Added tests for proc-macro expansion: We use a trick here by adding
serde_deriveto dev-dependencies and callingcargo-metadatafor searching its dylib path, and expand it in our tests.[EDIT]
Note that this PR DO NOT implement the final glue code with rust-analzyer and proc-macro-srv yet.