55 proc macro ABI for 1. 37 Compiling unicode-xid v0. cf_protection 1. rust-analyzer Add an environment variable to test proc macros against various toolchains. This library, provided by the standard distribution, provides the types consumed in the interfaces of procedurally defined macro definitions such as function-like macros # [proc_macro], macro attributes # [proc_macro_attribute] and custom derive attributes # [proc. Switching to the pre-release version of rust-analyzer fixed this for me on rustc 1. 2. This happens when initialising a project with anchor. There are certainly a category of users who actually don't mind small or moderate breaking changes, so currently Rust loses value on both: giving features to these users earlier, jtmoon79 changed the title cargo build nightly fails: _error[E0635]: unknown feature proc_macro_span_shrink_ cargo build nightly fails: error[E0635]: unknown feature proc_macro_span_shrink Jul 4, 2023 Coolio. to_string () != "bool" { quote_spanned! { ty. 1 Compiling libc v0. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this siteproc-macro2. 39 is used. That rendered rust-analyzer unusable in my case. Compiler flags; 1. However, macro_rules! macros can be defined only using the. 11. Reload to refresh your session. 76ms build cargo build --release Compiling proc-macro2 v1. The tracking issue for this feature is: #54725#54725error[E0635]: unknown feature proc_macro_span_shrink while building av2 by Pip #212 opened Jul 10, 2023 by eyecod-toppick. 0. Macros are disproportionally hard to support in an IDE. location_detail 1. 0. You'll need to decide how you want to. Connect and share knowledge within a single location that is structured and easy to search. I am working on the proc macro workshop and am a little stuck on the builder portion of the workshop. alexcrichton changed the title Only the presence of futures-await regresses error-chain-derive TokenStream::parse does not resolve with Span::call_site () C-bug. control_flow_guard 1. branch_protection 1. * Wed Feb 21 2018 Josh Stone <[email protected]. emit(); The problem is, the spanned method takes a proc_macro2::Span as an argument, a struct which has no constructor available. I encounter below error when run command anchor build. check_cfg 1. Compiling proc-macro2 v1. ## Summary of changes * update the `proc-macro2` dependency so that it can compile on latest Rust nightly, see dtolnay/proc-macro2#391 and dtolnay/proc-macro2#398 * allow the `private_intra_doc_links` lint, as linking to something that's private is always more useful than just mentioning it without a. When rust-analyzer proc-macros are enabled, apparently the macro gets called for every keystroke, so if I edit the name of the struct to PersonTwo, I end up with Person, PersonT. Sign up ProductQ&A for Solana software users and developersA support library for macro authors when defining new macros. 4. 13. dwarf_version 1. Macros operate on a list of tokens provided by the compiler and return a list of tokens that the macro use is replaced by. (proc_macro #38356) The span for the origin source code that self was generated from. 9 Compiling windows_x86_64_msvc v0. A wrapper around the procedural macro API of the compiler's proc_macro crate. 8937393 What you did Tried to run the andr. It only returns a result if the span corresponds to real source code. after () which give empty spans right at the start and end of the span. 8. This crates a pull for languages to naturally evolve more complex macro systems than can be. 9. Repository Structure. 1. codegen_backend 1. The Unstable Book; 1. 11. sourceerror[E0635]: unknown feature proc_macro_span_shrink --> /home/shkr/. cf_protection 1. 11. rust-analyzer Add a standalone rust-analyzer-proc-macro-srv binary. 3. 11. . arduino-hal is the batteries-included HAL for all Arduino & similar boards. 10. 13. If this Span wasn’t generated from other macro expansions then the return value is the same as *self. Actions. is_terminal. 60 Version rust: 1. Notice the body being passed from the foo call: foo (body: TokenStream)The last dependabot PR for proc-macro2 had been closed without comment. The tracking issue for this feature is: #87552#87552Create a crate of type proc_macro, i. pub fn span_warning <S, T> (self, spans: S, message: T) -> Diagnostic where S: MultiSpan , T: Into < String >, 🔬 This is a nightly-only experimental API. Enabled when building with. drharryhe opened this issue Sep 11, 2023 · 4 comments. Reload to refresh your session. A support library for macro authors when defining new macros. rs, when run in the. I've tried setting "rust-analyzer. dump_mono_stats_format 1. 9. relnotes Marks issues that should be. if it should be in hexadecimal, only integers, UTF-8 unicode, or whatever). Unknown feature proc_macro_span_shrink · Issue #356 · dtolnay/proc-macro2 · GitHub. The Unstable Book; 1. dylib_lto 1. lizhuohua added a commit that referenced this issue on Nov 11, 2022. Step 08-unrecognized-attributes wants you to handle the car where the field modifier has a misspelled portion (eac instead of each)Proc macro shim. 2. (proc_macro_span #54725) Gets the ending line/column in the source file for this span. 2. Procedural Macros (and custom Derive) As you've seen throughout the rest of the book, Rust provides a mechanism called "derive" that lets you implement traits easily. 8. How can I create a Span for use in this diagnostic?proc-macro2. cargo egistrysrcindex. 1. You can also generate custom functions if you wanted to. cargo/registry/src. 12. 72. 2proc_macro_span. Closed tmaklin opened this issue Jul 4, 2023 · 1 comment Closed Build fails with error[E0635]: unknown feature proc_macro_span_shrink #31. 1. Hi wang13245, I checked the issue and and can confirm it is associated with proc-macro2 v1. Unfortunately rust-lang/rust#60289 has revealed that proc-macro2 is using an unstable feature when it's built on nightly, which has broken those CI builds. jtmoon79 changed the title cargo build nightly fails: _error[E0635]: unknown feature proc_macro_span_shrink_ cargo build nightly fails: error[E0635]: unknown feature proc_macro_span_shrink Jul 4, 2023Coolio. e. toml Outdated Show resolved Hide resolved. As a exercise, I wanted to write a program like a little lint which would check the length of functions, and if the length is greater than the default max length, emit a warning. . move_size_limit 1. In procedural macros there is currently no easy way to get this path. Syntax is described in the next section below. 🔬 This is a nightly-only experimental API. crates. cargo/registry/src/index. into() } Which reports exactly where the user is passing a literal, which is a feature not allowed in the arguments of the attribute. 60 Version rust: 1. procMacro. Reload to refresh your session. Empowering everyone to build reliable and efficient software. Any SpanData whose fields don’t fit into a Span are stored in a separate interner table, and the Span. Notifications. 0 Updating crates. rs at master · rust-lang/rustWhen building this data-structure, I would like to "capture" the Span of constructor calls. 1. Procedural macros in Rust 2018 come in one of three flavors: # [derive] mode macros have actually been stable since Rust 1. column: usize. Reload to refresh your session. 0. 4. emit_stack_sizes 1. [dependencies] syn = "2. #7805. Compiling object v0. 6. codegen_backend 1. (proc_macro #38356) The span for the origin source code that self was generated from. Compiler flags; 1. 51 somewhere that needs to be bumped to 1. The proc-macro crate is part of the standard library, but you'll need a few other crates to make your macros. cf_protection 1. cargo/registry/src/index. Development. io. 5. io. 45. Cargo. ## Problem `cargo +nightly doc` is giving a lot of warnings: broken links, naked URLs, etc. Commit 81891f7 enabled attribute proc macro by default (released in v0. 15. One method I know there are workarounds for (when used in conjunction with compile_error!Judging by this GitHub issue, and in particular this comment, it seems that proc macro expansion is quite dependent on the version of the Rust compiler. The tracking issue for this feature is: #87552#87552pub fn source_text (&self) -> Option < String > [src] [ −] 🔬 This is a nightly-only experimental API. control_flow_guard 1. Teams. branch_protection 1. Click Add new location. Saved searches Use saved searches to filter your results more quicklyRelated: extract_rust_hdl_interface, rust_hls, rust_hls, rust_hls_macro, rust_hls_macro_lib, wrap_verilog_in_rust_hdl_macro See also: cargo-careful, serde_spanned, rmp, queued, mpi, janus_messages, rmpv, prodash, crossbeam-channel, minitrace, cargo-all-features Lib. :{span => | ^^^^^ ambiguous name | = note: ambiguous because of a conflict between a `macro_rules` name and a non-`macro_rules` name from another module note: `parse_quote_spanned` could refer to the macro defined here. codegen_backend 1. 91 Compiling serde_derive v1. io-6f17d22bba15001f/proc-macro2-1. 66 Compiling unicode-ident v1. A support library for macro authors when defining new macros. extern_options 1. A span that represents macro_rules hygiene, and sometimes resolves at the macro definition site (local variables, labels, $crate) and sometimes at the macro call site. 0. Unlike proc_macro2::Span, the proc_macro::Span type can only exist within the context of a procedural macro. . source pub fn before(&self) -> Span. The following snippet fails to compile: playground. Can you pull and see if it works?. Host and manage packages Security. Ch. patch; 0003-mozilla-bmo998749. control_flow_guard 1. Closed dubek opened this issue Jun 29, 2023 · 2 comments Closed rustc fails with unknown feature proc_macro_span_shrink #113170. 59/src/lib. dtolnay closed this as completed Jul 28, 2023. Source of the Rust file `/home/runner/. export_executable_symbols 1. 0. 6. You switched accounts on another tab or window. cargo/registry/src/index. 5. rs`. 5. debug_info_for_profiling 1. dylib_lto 1. crates. It had the following fixes in it. In cargo, it is possible to conditionally activate a feature on a dependency based on the main crate features, using the crate/feature syntax: [features] # Enables parallel processing support by. Reload to refresh your session. That rendered rust-analyzer unusable in my case. 0. You switched accounts on another tab or window. 8. 4. 4. 70. 0. You signed in with another tab or window. 2023. fn from_byte (byte: u8) -> Ty { match { 0 => Ty::A, 1 => Ty::B, _ => unreachable! () } } This is what I have implemented using proc_macro lib. cargo. 1. (proc_macro_def_site) A span that resolves at the macro definition site. Anchor build fails due to a current Rust version. You signed in with another tab or window. Saved searches Use saved searches to filter your results more quicklyQ&A for Solana software users and developersA span that resolves at the macro definition site. 3. into()), "No literals allowed in the `macro` proc-macro" ). 0. 🔬 This is a nightly-only experimental API. 0. Thanks. extern_options 1. More info shows below: info: Building example erase_storage Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have A span that resolves at the macro definition site. rust-lang/rust#113152 error[E0635]: unknown feature `proc_macro_span_shrink` --> C:Usersdhorner. 59/src/lib. 2. dump_mono_stats 1. cargo. #549. One of the project maintainers explained to me that I was using a too-recent toolchain. Internal Improvements #11115 refactor:. cargo/registry/src/rsproxy. 4. Internal Improvements #11115 refactor: avoid separate traversal in Replace filter_map(). control_flow_guard 1. 🔬 This is a nightly-only experimental API. However, since version 0. // "proc_macro_span" // Enable non-dummy behavior of Span::start and Span::end methods which // requires an unstable compiler feature. 3. This chapter will introduce Rust's procedural macro system by explaining the system as a whole. Sign up ProductSaved searches Use saved searches to filter your results more quicklyIn procedural macros there is currently no easy way to get this path. control_flow_guard 1. rs`. dump_mono_stats_format 1. Returns None if self and other are from different files. check_cfg 1. 1. 0. cf_protection 1. emit_stack_sizes 1. dylib_lto 1. While this cannot be done conveniently with proc_macro_derive it can be done with proc_macro_attribute and seeing as the other answer already uses a derive attribute this solution may be better for your use case: extern crate proc_macro; extern crate proc_macro2; # [macro_use] extern crate quote; extern crate syn; use. When running cargo build I get the following error: Compiling proc-macro2 v1. span() containing only the source bytes in range range. 57+. Closed. 8. rs","contentType":"file"},{"name":"extra. Rollback office update. crates. github","contentType":"directory"},{"name":"benches","path":"benches. . Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this siteerror[E0635]: unknown feature `proc_macro_span_shrink` Recently we have received many complaints from users about site-wide blocking of their own and blocking of their own activities please go to the settings off state,. tls_model 2. rustup oolchainsstable-x86_64-pc-windows-gnu` At the same time, in VSCode my rust-analyzer extension started failing. I am writing an image compression software and want to provide the functionality of dragging and dropping files onto the window to compress them. This library, provided by the standard distribution, provides the types consumed in the interfaces of procedurally defined macro definitions such as function-like macros #[proc_macro], macro attributes #[proc_macro_attribute] and custom derive attributes#[proc_macro_derive]. 0 Compiling scopeguard v1. anchor build -> stack offset exceeding max offset. 9. Closed ia0 reviewed Sep 26, 2022. Identifiers created with this span will be resolved as if they were written directly at the macro call location (call-site. py --board=nrf52840_dongle_dfu --erase_storage --programmer=nordicdfu", it goes wrong showing "error[E0635]: unknown feature 'proc_macro_span_shrink'". (proc_macro_span) Gets the ending line/column in the source file for this span. 56. Types from proc_macro are entirely specific to procedural macros and cannot ever exist in code outside of a procedural macro. ( proc_macro_span #54725) Returns the source text behind a span. This library, provided by the standard distribution, provides the types consumed in the interfaces of procedurally defined macro definitions such as function-like macros # [proc_macro], macro attributes # [proc_macro_attribute] and custom derive attributes # [proc. 43 due to it needing proc_macro_span_shrink from a later Rust version. io-6f17d22bba15001f/proc-macro2-1. …tolnay Add proc_macro::Span::{before, after}. The latest Fedora rust package fixes this. 0 Compiling proc-macro-error-attr v1. 61, which is the latest stable in time of writing. error[E0635]: unknown feature proc_macro_span_shrink while building av2 by Pip #212. 1. 0 error[E0635]: unknown feature `proc_macro_span_shrink` --> /home/temaklin. move_size_limit 1. 0-nightly (839e9a6e1 2023-07-02) lighthouse: stable/unstable Present Behavior Failure to. 8. check_cfg 1. Types from proc_macro are entirely specific to procedural macros and cannot ever exist in code outside of a procedural macro. into_compile_error(). Merged kaczmarczyck closed this as completed in #555 Oct 10, 2022. . Here is a macro. 0 (f1edd0429 2021-11-29) I've verified that proc macro support is enabled by looking at the client logs: INFO [1/1/2022. A proc-macro is at its core just a function exported from a crate with the proc-macro crate. Type. eyecod-toppick opened this issue Jul 10, 2023 · 5 comments Comments. llers/examples The proc-macro2 dependency at 1. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Crate proc_macro. sanitizer 1. 59 and a specific version of Rust. dylib_lto 1. 14. The tracking issue for this feature is: #90765#90765Stack Overflow | The World’s Largest Online Community for DevelopersReading The Rust Programming Language's chapter on macros says:. Save the macro file to local trusted location. extern_options 1. I’d expected to simply use the std::arch::is_aarch64_feature_detected! macro – in which case this post would have been a 1-liner. However, with rust edition 2018 and dropping extern crate declarations from lib. Help, please! By the way, the code intelligence of the analyzer can run smoothly. 0. Q&A for work. Types from proc_macro are entirely specific to procedural macros and cannot ever exist in code outside of a procedural macro. 13. dwarf_version 1. This setting is implied if #[proc_macro_error] is applied to a function marked as #[proc_macro], #[proc_macro_derive] or #[proc_macro_attribute]. Commit 81891f7 enabled attribute proc macro by default (released in v0. Thanks. rs:92:30 | 92 | feature(proc_macro_span, proc_macro_span_shrink. You can find “real world” examples of both declarative and procedural macros in the r3bl_rs_utils crate. I would then use quote_spanned!() to generate the proc-macro output based on those Spans. #549. (proc_macro_span_shrink #87552) Creates an empty span pointing to. 1. sh: It would probably be good enough to patch this file by not checking for the. Multi-World Forecasting Challenge. 13 rustwasm/wasm-bindgen#719 Cannot compile proc-macro2 v1. its Cargo. 1 Answer. The tracking issue for this feature is: #54725#54725Describe the bug. 10. 9. rust-analyzer Introduce the sysroot ABI (disabled by default) rust Convert rust-analyzer to an in-tree tool. 3. . span () => compile_error! ("expected bool"); } } else { quote! { const #name: #ty = false; } }; For your faulty input, the compiler now prints this:vikramnitin9 on Nov 10, 2022. Asking for help, clarification, or responding to other answers. rs). dump_mono_stats_format 1. Fork 98. io-6f17d22bba15001f/proc. So those dependencies wouldn't be checked/downloaded/compiled when the proc macro crate is compiled, but the compiler could make sure that those dependencies are present in the crate using the proc macro. (&self, other:unknown feature proc_macro_span_shrink #1. Source of the Rust file `library/proc_macro/src/lib. As a result, any function with a proc macro involved with not show inlay hint. toml should contain. Procedural macros in Rust 2018 come in one of three flavors: # [derive] mode macros have actually been stable since Rust 1. 12. * and rust. 1. I had used a nightly version I had on hand, unaware that rustup should be used to install the project-specific version of the toolchain as specificied in the project's rust-toolchain file. I want to create a macro that prints "Hello" a specified number of times. 5. 7. (proc_macro_span_shrink) Creates an empty span pointing to. 2 [Optional] Relevant system information Windows / ndk: 25. The text was updated successfully, but these errors were encountered: All reactions. . Tag: v0. rs, and we avoid needing incompatible ecosystems. 47 Compiling proc-macro-hack v0. access address lookup table on chain. You can use quote::quote to generate the output of the macro, and use # to insert the contents of a variable into the generated code. They are introduced with attributes like #[unstable(feature = "proc_macro_span", issue = "54725")]. Reload to refresh your session. cf_protection. Which seems to be depending on syn. e1fb347. If this Span wasn’t generated from other macro expansions then the return value is the same as *self. Reload to refresh your session. 5. The package doesn't build in a clean chroot. extern crate proc_macro; use self::proc_macro::TokenStream; use syn::parse::{Parse, ParseStream, Result}; use syn::{parse_macro_input, Ident, Token}; // FIXME type Element = Ident; struct. 2. It is intentionally built to abstract away the differences between. There is even a macro in quote which makes this easier: quote_spanned!. toml should contain. Currently this library is geared toward use in Rust procedural macros, but contains some APIs that may be useful more generally.