( proc_macro #38356) [ −] The 0-indexed column (in UTF-8 characters) in the source file on which the span starts or ends (inclusive). rs, and we avoid needing incompatible ecosystems. control_flow_guard 1. . debug_info_for_profiling 1. codegen_backend 1. noticed when i'm using a crate that relies on der-parsers 8. 2. cargo/registry/src/index. I see you switched to renovate now but I wonder if it's working correctly, since I don't see any MR for that package. rs, people start to rename crates in Cargo. gftea added a commit to gftea/amqprs that referenced this issue Jul 31, 2023. 73. Thanks. Reload to refresh your session. dwarf_version 1. attempt to fix dtolnay/proc-macro2#401. 0. Thanks. ## Problem `cargo +nightly doc` is giving a lot of warnings: broken links, naked URLs, etc. Enabled on Rust // 1. check_cfg 1. 9. 0 (90c541806 2023-05-31) I get the fol. Rusty_retiree_5659. 15 Compiling crossbeam-utils v0. 15. lizhuohua completed in #9 on Nov 11, 2022. 4. 0. 如题，出错信息如下： error[E0635]: unknown feature `proc_macro_span_shrink` --> /home/wsl/. dump_mono_stats_format 1. 51 somewhere that needs to be bumped to 1. 2. Notifications. I do not have a lot of experience using proc_macro, but based on this answer I found it was easy to adapt it to manually replace literals in the token tree without the use of the syn or quote crates. This is the git submodule => git subtree move. extern_options 1. At the highest level, macros are defined by implementing functions marked with a #[proc_macro] attribute. rs. 0. It's entirely conceivable that this issue is or was. 2. 0. 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. 15 and bring all the goodness and ease of use of # [derive (Debug)] to user-defined traits as well, such as Serde 's # [derive (Deserialize)]. 🔬 This is a nightly-only experimental API. A wrapper around the procedural macro API of the compiler's proc_macro crate. 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. Unlike a declarative macro, a procedural macro takes the form of a Rust function taking in a token stream(or two) and outputting a token stream. A proc-macro is at its core just a function exported from a crate with the proc-macro crate. 72. Ch. 2, and build as nightly i'm getting the following not sure if this is a problem that can be resolved at this level error[E0635]: unknown feature proc_macro_span_shrink --> C:Us. 3. 11. #549. io-6f17d22bba15001f/proc-macro2-1. {"payload":{"allShortcutsEnabled":false,"fileTree":{"compiler/rustc_expand/src":{"items":[{"name":"mbe","path":"compiler/rustc_expand/src/mbe","contentType. Note: When using Cargo, Procedural macro crates are. This setting is implied if #[proc_macro_error] is applied to a function marked as #[proc_macro], #[proc_macro_derive] or #[proc_macro_attribute]. 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. 12. Latest commit message. 🔬 This is a nightly-only experimental API. 4. Tag: v0. This library serves two purposes: Bring proc-macro-like functionality to other contexts like build. 0. toml conditional feature on optional dev dependency. (proc_macro_span_shrink) Creates an empty span pointing to directly before this span. branch_protection. 0. Reload to refresh your session. Source of the Rust file `library/proc_macro/src/lib. 0. into() } Which reports exactly where the user is passing a literal, which is a feature not allowed in the arguments of the attribute. 1. 54. 0. 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]. 8. emit_stack_sizes 1. error: `cannot find attribute in this scope` when using custom proc_macro with attributes written with darling in rust. 107 Compiling libc v0. Fixes Issue #7 #9. As these are unstable APIs that track the. 12. py --board=nrf52840_dongle_dfu --erase_storage --programmer=nordicdfu", it goes wrong showing "error[E0635]: unknown feature 'proc_macro_span_shrink'". 🔬 This is a nightly-only experimental API. 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 site// Compile everything except libraries and proc macros with the more // efficient initial-exec TLS model. Failed to load latest commit information. Unknown feature proc_macro_span_shrink HOT 3; Integer overflow in nested comment parser when nesting depth exceeds 4 billion; Span pointing to its own construction site like Location::caller HOT 1 `LitByteStr` produces tokens that trigger `clippy::octal-escapes` HOT 2; Convert from proc_macro2::Span to proc_macro::Span without panicWhat happend Failed to install/compile latest taplo-cli (v0. Compiler flags; 1. 63. 9. cf_protection 1. Basically, the Rust team pushed some changes to prod, and the proc-macro2 folks haven't been able to make the necessary changes to their codebase at the time of the release. dubek opened this issue Jun 29, 2023 · 2 comments Labels. Reload to refresh your session. Save the macro file to local trusted location. 1. You'll need to decide how you want to. 2. This method is available when building with a nightly compiler, or when building with rustc 1. 0-3 - Backport a rebuild fix for rust#48308. 06 Oct 2022 solana blockchain. You signed out in another tab or window. Thanks for contributing an answer to Solana Stack Exchange! Please be sure to answer the question. 13. 1. toml Outdated Show resolved Hide resolved. 1 "Access violation in stack frame 3 at address 0x200003ff0 of size 8 by instruction #35516" , even though I use zero copy on my account struct. More informationhas the side effect of updating a generated file in the end-user project that describes and utimately creates a SQLite Person table. The Unstable Book; 1. check_cfg 1. Description Building lighthouse on later versions of nightly fail due to proc-macro2. rust-analyzer Add a standalone rust-analyzer-proc-macro-srv binary. You can also generate custom functions if you wanted to. ) Public API // p. cargo. export_executable_symbols 1. 4, you can reduce some noise by specifying an extra path argument to expand only macros used by that module: $ cargo expand path::to::module ShareMerge pull request #98 from palfrey/unstable-proc-macro-span-shrink. (proc_macro_span #54725) Gets the ending line/column in the source file for this span. io-6f17d22bba15001f/proc-macro2-1. This setting is also implied if proc-macro-hack was detected. Use proc-macro-nested if you require support for nested. When called from within a procedural macro not using a nightly compiler, this method will always return None. extern_options 1. rs with this. 2. 60 Version rust: 1. dwarf_version 1. So please forgive me. You signed in with another tab or window. 0. rs). It only returns a result if the span corresponds to real source code. 4. 6. 4. pub fn source_text (&self) -> Option < String > [src] [ −] 🔬 This is a nightly-only experimental API. Enabled when building with. Type. More details are shown here proc-macro2 issue. The Unstable Book; 1. 50 Compiling unicode-ident v1. 0. Repository owner locked and limited conversation to collaborators Nov 16, 2023. The Unstable Book. 37 Compiling unicode-xid v0. before() and span. 4. 58 Compiling cfg-if v1. 6. 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 site{"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":". Reload to refresh your session. 147 Compiling proc-macro2 v1. Asking for help, clarification, or responding to other answers. 7. cargo build-bpf rustc version. Have been running into ICE during . 12. 60. emit_stack_sizes 1. 10. 15. control_flow_guard 1. to_string () != "bool" { quote_spanned! { ty. :{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. 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_macro_span_shrink. 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]. branch_protection 1. e8c9cee. 0 (84c898d65 2023-04-16)I tried this code: // macros/src/lib. io-6f17d22bba15001f/proc-macro2-1. lizhuohua added a commit that referenced this issue on Nov 11, 2022. . 6. 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. 11. 10. 2. 45 中，Rust 的 卫生宏 Hygienic macro 迎来了 stable 版本，这意味着 过程宏 Procedural macro 和 声明宏 Declare macro 板块全面稳定。. If the nightly feature is disabled then everything is unhygienic and I think works with the equivalent of Span::call_site(), meaning that all the tokens produced by quote! ended up morally being used with Span::call_site(). 0" quote = "1. #7805. 0. Yes, library features are defined inside crates. cf_protection 1. is_terminal. 6. However, as you may have guessed from the title, this didn’t work out-of-the-box. Closed. When running cargo build-bpf, I get an error like this:. 31 tasks. [dependencies] syn = "2. #11238 shrink the span of errors from attribute macros and derives. cargo build Compiling unicode-ident v1. I'll open an issue and point to this forum post as well. I have tried to run vscode in administrator mode but it didn't work. 我得到以下错误： error[E0635]: unknown feature `proc_macro_span_shrink` --> ~/. 🔬 This is a nightly-only experimental API. proc macros; decl macros; You can find all the pedagogical examples of macros shown in this article in this repo 🌟 Please star the r3bl-open-core repo on github if you like it 🙏. 6. The span of the invocation of the current procedural macro. Copy link Collaborator. Also enabled unconditionally on nightly, in which case theProcedural macros allow you to run code at compile time that operates over Rust syntax, both consuming and producing Rust syntax. 1) with rust toolchain nightly-2023-08-07. Basically whenever I change something, the whole function is. 14. 6. What is confusing to me is that this should have been fixed by dtolnay/proc-macro2#356, which shipped in proc-macro2 1. e. 2. 136 Compiling memchr v2. 59/src/lib. 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]. 124. 🔬 This is a nightly-only experimental API. control_flow_guard 1. It is intentionally built to abstract away the differences between. . 11 Compiling cfg-if v1. Though I know how give out errors using Span after it has been parsed, I am not able to figure how to do it during a parse. My project structure, thus, is as follows: ├── pg-worm │ ├── pg-worm-derive │ │ ├──. 4. To declare your crate as a proc-macro crate, simply add: [lib] proc-macro = true to your Cargo. We can accomplish this task through a feature of Rust called "procedural macros. Ready to use solutions are available (see @timotree 's comment). . 9. You switched accounts on another tab or window. 0. First of all, this means we’ll be using Python in our proc-macro crate. moveline. Source of the Rust file `library/proc_macro/src/lib. 7. I'll open an issue and point to this forum post as well. 6 Compiling memchr v2. rs at master · rust-lang/rustWhen building this data-structure, I would like to "capture" the Span of constructor calls. strip 1. crates. branch_protection 1. Okay, now that compiling and running as separate steps works, the next challenge is to try to move the first step to the procedural macro, so it happens at compile time. When defining a procedural macro it is possible to control the span of identifiers in order to bypass hygiene, but as far as I can tell there is no way for a procedural macro to define a new procedural macro. In your case, we can write this: let output = if ty. 0 nightly build. Source of the Rust file `/home/runner/. 13. This method is semver exempt and not exposed by default. Fails to build after the most recent commit. debug_info_for_profiling 1. Closed ia0 reviewed Sep 26, 2022. The issue was fixed via: proc-macro2 1. 15. 0. . Copy link Crate proc_macro. proc macro `main` not expanded: cannot find proc-macro server in sysroot `C:\Users\zerok\. emit_stack_sizes 1. 6. Reload to refresh your session. Learn more about Teams And it turns out that this is the same thing that has happened with your from_byte identifier: your code was emitting a from_byte with private hygiene / a def_site() span, which is something that normally never happens for method names when using classic macros, or classic proc-macros (i. 3. Source of the Rust file `compiler/rustc_expand/src/proc_macro_server. Unfortunately I got the following error: error[E0635]: u. . Warning: the underlying proc_macro::Span::join method is nightly-only. 10. 0-nightly), compilation fails with this error: error[E0635]: unknown feature `proc_macro_span_shrink` --> /home/saverio/. I am not a software engineer or coder in any way, shape or form. // Use proc_macro::is_available() to detect if the proc macro API is // available or needs to be polyfilled instead of trying to use the procproc_macro_hygiene. codegen_backend 1. e1fb347. The tracking issue for this feature is: #87552#87552 Create a crate of type proc_macro, i. Cannot build - unknown feature `proc_macro_span_shrink`. branch_protection 1. 7. debug_info_for_profiling 1. You can sort of think of procedural macros as functions from an AST to another AST. toml. rs:92:30 | 92 | feature(proc_macro_span, proc_macro_span_shrink) | Just trying to use some p. after() which give empty spans right at the start and end of the. The Unstable Book; 1. 31. /deploy. 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. 1. A support library for macro authors when defining new macros. Anchor build fails due to a current Rust version. 57. rs, when run in the. 23 Compiling syn v1. Closed dubek opened this issue Jun 29, 2023 · 2 comments Closed rustc fails with unknown feature proc_macro_span_shrink #113170. patch; 0004-mozilla-libavcodec58_91. Function-like macros are newly stable to the 2018 edition and allow. /x build run right after git pull upstream master inside my fork of the rust repo: ICE when fork is maybe 50+ commits behind (ie, 1 day) No ICE when fork is small. codegen_backend 1. As with custom derives, procedural macros may only be declared in crates of the proc-macro type, and must be public functions. Compiler flags; 1. 50/src/lib. dylib_lto 1. 4. (proc_macro_span #54725) Gets the ending line/column in the source file for this span. 43 due to it needing proc_macro_span_shrink from a later Rust version. (&self, other: Creates a new span with the same line/column information as but that resolves symbols as though it were at . 73. Language featuresunknown feature `proc_macro_span_shrink`//could not compile xxx lib问题解决，此解决方案不管是在哪一个系统都可以解决此问题。 rust 开发语言 一个在本地很久没有编译过的项目，或者说从网上下载下来了一个开源的项目，只要开始编译就会报unknown feture的错误，或者could not. patch; 0003-mozilla-bmo998749. This preserves the original source code, including spaces and comments. 0. 12. You signed in with another tab or window. 5. 139 Compiling cfg-if v1. rs:92:30 | 92 | feature(proc_macro_span, proc_macro_span_shrink. At its core, rust-analyzer is a for semantic analysis of Rust code as it changes over time. 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. extern_options 1. error[E0635]: unknown feature `proc_macro_span_shrink` --> $HOME/. 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. 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]. Fix Issue #7. arch-meson is causing solanum to be built with debug flags due to these lines in the source code at build-aux/cargo. 61, which is the latest stable in time of writing. 8. extern_options 1. 3. Description Building lighthouse on later versions of nightly fail due to proc-macro2. The borsh and yew macros work fine for me on rustc 1. cargo/registry/src/index. . Sign in to comment. 5. 📜 Source code examples. 0" [lib] proc-macro =. rs. 3. cf_protection. source pub fn start(&self) -> LineColumn. dylib_lto 1. fn def_site() -> Span: this is what you are after. 59 is broken in an upstream library causing compilation errors: rust-lang/rust#113152 Using stable-aarch64-apple-darwin unchanged - rustc 1. 0a9c635. There's not much else to see here as the. 24. 136 Compiling serde v1. Compiler flags. The suggested fix is to keep your rust-analyzer updated. If you want to do this yourself, have more flexibility or learn, you can write a procedural macro that will parse a backtrace (obtained from inside the function that. The vast majority (99. . proc-macro2 is a dependent library of the anchor framework. Identifiers created with this span will be resolved as if they were written directly at the macro call location (call-site. 56 Compiling cc v1. error[E0635]: unknown feature `proc_macro_span_shrink` --> $HOME/. Connect and share knowledge within a single location that is structured and easy to search. branch_protection 1. dylib_lto 1. 2. So far my attempts have failed. 17. If the nightly feature is disabled then everything is unhygienic and I think works with the equivalent of Span::call_site(), meaning that all the tokens produced by quote! ended up morally being used with Span::call_site(). . (proc_macro_diagnostic #54140) Adds a new child diagnostics message to self with the Level::Warning level, and the given spans and message. io is big enough and stable enough that it seems unlikely for "preview" subset to grow too large. I also had to pin proc-macros2 at =1. . 4. 57+. rs:92:30 |. rustup oolchainsstable-x86_64-pc-windows-gnu` At the same time, in VSCode my rust-analyzer extension started failing. No other public items may be declared in proc-macro crates, but private items are fine. 0. A support library for macro authors when defining new macros.