extern_options 1. Closed. 12. 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. The tracking issue for this feature is: #54725#54725Nightly builds failing due to proc_macro_span_shrink #1314. 11 Compiling cfg-if v1. strip 1. 0 Compiling autocfg v1. rustup oolchainsstable-x86_64-pc-windows-gnu` At the same time, in VSCode my rust-analyzer extension started failing. I'll open an issue and point to this forum post as well. 14. pub fn source (&self) -> Span. 12. 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)]. io-6f17d22bba15001f/proc-macro2-1. location_detail 1. 1. 1. 4. Returns None if self and other are from different files. sanitizer 1. 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. These are equivalent to rustc's `Span::shrink_to_lo()` and `Span::shrink_to_hi()` but with a less cryptic name. The Unstable Book; 1. e1fb347. 2. codegen_backend 1. 0. There's a missing dependency on libinput. 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]. This is a nightly-only experimental API. (Just like shrink_to_lo () and shrink_to_hi () inside rustc. 4. before () and span. 74. rs`. 50 Compiling unicode-ident v1. 15 Compiling hashbrown v0. Thanks. More details are shown here proc-macro2 issue. dump_mono_stats 1. dump_mono_stats 1. (&self, other: Creates a new span with the same line/column information as but that resolves symbols as though it were at . 0. cargo/registry/src/index. debug_info_for_profiling 1. github","contentType":"directory"},{"name":"benches","path":"benches. 12. cargo/registry/src/rsproxy. 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. dylib_lto 1. The tracking issue for this feature is: #87552#87552pub fn source_text (&self) -> Option < String > [src] [ −] 🔬 This is a nightly-only experimental API. dubek opened this issue Jun 29, 2023 · 2 comments Labels. profile 1. Provide details and share your research! But avoid. What is confusing to me is that this should have been fixed by dtolnay/proc-macro2#356, which shipped in proc-macro2 1. * and rust. 1. 8. 29. 0. 1 Compiling miniz_oxide v0. control_flow_guard 1. You signed out in another tab or window. The span of the invocation of the current procedural macro. #549. 13. Types from proc_macro are entirely specific to procedural macros and cannot ever exist in code outside of a procedural macro. Description Building lighthouse on later versions of nightly fail due to proc-macro2. There is even a macro in quote which makes this easier: quote_spanned!. Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Make software development more efficient, Also welcome to join our telegram. So we just redefine the macro to the value we want. No other public items may be declared in proc-macro crates, but private items are fine. 50/src/lib. after() which give empty spans right at the start and end of the. 0. Checklist before submitting an issue I have searched through the existing closed and open issues for eww and made sure this is not a duplicate I have specifically verified that this bug is not a co. 59/src/lib. 15. 11. Use proc-macro-nested if you require support for nested. Syn operates on the token representation provided by the proc-macro2 crate from crates. I imagine that it might be easier to instead try to prototype some APIs which we could try to get into proc_macro proper for dealing with rustc's Codemap (and have a fake Codemap inside of proc_macro2::stable). cargo egistrysrcindex. 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. Contains a detailed walk-through on how to write a derive macro. cf_protection 1. emit_stack_sizes 1. 12. This setting is implied if #[proc_macro_error] is applied to a function marked as #[proc_macro], #[proc_macro_derive] or #[proc_macro_attribute]. 11. Java - Maven 編譯問題 (1) 11 Oct 2023; Java - How to compile and run a java program ?Finds out which toolchain it's been compiled with. 31 tasks. 70. 3. 0. 23 Compiling syn v1. The Unstable Book; 1. 12. 1. 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(). 109 │ │ └── test-log v0. 0 Compiling proc-macro-error-attr v1. 0. 0_BETA, but that failed with an "illegal instruction" fault. dwarf_version 1. More informationhas the side effect of updating a generated file in the end-user project that describes and utimately creates a SQLite Person table. As a result, any function with a proc macro involved with not show inlay hint. 0. cargo/registry/src/index. The Unstable Book. Failed to load latest commit information. 5. . (proc_macro_span #54725) Gets the ending line/column in the source file for this span. cargo/registry. 139 Compiling. The Unstable Book; 1. Basically whenever I change something, the whole function is marked as problematic. 12. For this I use darling. codegen_backend. 60. 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]. e1fb347. 17 Compiling once_cell v1. 9. After much messing around I think I have something that works, although I'm happy to accept other answers that are better as I feel this is a bit messy: extern crate proc_macro; use proc_macro2:: {Span, TokenStream}; use quote::quote; use syn:: {parse_macro_input, Attribute, DeriveInput, Ident, Result}; # [proc_macro_derive. A wrapper around the procedural macro API of the compiler's proc_macro crate. rs","path":"src/detection. 56 Compiling cc v1. Pull requests 4. io-6f17d22bba15001f/proc-macro2-1. 29+ as long as procmacro2_semver_exempt is not set, // because we can't emulate the unstable API without emulating everything // else. {"payload":{"allShortcutsEnabled":false,"fileTree":{"compiler/rustc_expand/src":{"items":[{"name":"mbe","path":"compiler/rustc_expand/src/mbe","contentType. 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]. Reload to refresh your session. This is what you probably want to use for your projects. It is not necessarily limits to generating methods for the enum itself. A common hack is to import the desired crate with a know name and use this. 2. @Alvra, by macro_rules you can't know about enum fields. 1. CI is currently failing the documentation build due to this error: error[E0635]: unknown feature `proc_macro_span_shrink` --> /home/runner/. 4. rs","path. 10. 7. 63. rust: 1. 52/src/lib. 2. the code emitted by a proc-macro-hack macro invocation cannot contain recursive calls to the same proc-macro-hack macro nor calls to any other proc-macro-hack macros. Interesting results though, that's 4 hours faster still so far. User Manual. The tracking issue for this feature is: #54725#54725Describe the bug. 26 │ ├── syn v1. lizhuohua completed in #9. This typically happens around resolution in macro expansion and has to do primarily with quote! I believe. Some needed and suggested changes: git source should be cloned to an unversioned folder so that it doesn't have to be recloned (130MB) when the package is bumped. source pub fn after(&self) -> Span. pub fn start(&self) -> LineColumn source. . 9. pub fn join (&self, other: Span) -> Option < Span > [src] [ −] Create a new span encompassing self and other. Reload to refresh your session. crates. 4. rs and main. This happens when initialising a project with anchor. 11. (proc_macro #38356) The span for the origin source code that self was generated from. 1. 3. 1. You signed out in another tab or window. This method is available when building with a nightly compiler, or when building with rustc 1. This setting is also implied if proc-macro-hack was detected. You'll need to decide how you want to. Teams. 13. crates. You signed out in another tab or window. 6. 0 Compiling winapi v0. proc_macro_span. 5. cargo/registry/src/index. A support library for macro authors when defining new macros. dwarf_version 1. Building for aarch64-unknown-linux-gnu a program that depends on proc-macro2. 48. 0-nightly (f3623871c 2023-08-06) $ cargo install taplo-cli --version ^. into_compile_error(). 43 Reference. 7. Macros. 0. 0. That rendered rust-analyzer unusable in my case. Convert proc_macro2::Span to proc_macro::Span. 过程宏相比于声明宏的灵活度更加高，其本质是输入一段 Rust 的 AST 产生一段 AST 的. 0 · source pub fn mixed_site () -> Span 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 (everything else). ) Public API // p. I encounter below error when run command anchor build. It is fully expected that unstable features break occasionally, hence why they are only available on nightly If you are using stable proc-macro2 will not attempt to use them and as such an older version will keep working. Convert proc_macro2::Span to proc_macro::Span. 2. The Unstable Book; 1. However, since version 0. error[E0635]: unknown feature proc_macro_span_shrink while building av2 by Pip #212. rs at master · rust-lang/rustWhen building this data-structure, I would like to "capture" the Span of constructor calls. 0 (84c898d65 2023-04-16)I tried this code: // macros/src/lib. Both ::proc-macro-hack and the need to sometimes export custom types or traits lead to the two-crate pattern. 11. proc_macro_span. )], where settings. Fix Issue #7. 8. . dylib_lto 1. 8. For example, Rust includes several traits that you can derive, but it also lets you define your own. This method is semver exempt and not exposed by default. 55 proc macro ABI for 1. may solve your problem. toml directly. sh: It would probably be good enough to patch this file by not checking for the. The problem here is that println!("{}", file!()); is executed at compile time and not at runtime. tmaklin opened this issue Jul 4, 2023 · 1 comment Comments. Connect and share knowledge within a single location that is structured and easy to search. Notifications. 10. enable": true in both my User and Workspace settings, but I still get the unresolved-proc-macro lint in the editor. rust-lang/rust#113152 error[E0635]: unknown feature `proc_macro_span_shrink` --> C:Usersdhorner. 29+ without semver exempt features. 4. is a comma-separated list of: proc_macro_hack: In order to correctly cooperate with #. 2. 1. 1. 124. access address lookup table on chain. 5. Warning: This code is incomplete and partially broken. 9. Closed adetaylor opened this issue Jul 5, 2023 · 0 comments · Fixed by #1315. 45. 2 The release number or commit hash of the version you're using. 📜 Source code examples. 0. 1. dump_mono_stats_format 1. lizhuohua added a commit that referenced this issue on Nov 11, 2022. You switched accounts on another tab or window. source. . Enabled when building with. Meanwhile proc_macro2. 2. Feature gate: #! [feature (proc_macro_span_shrink)] This feature adds span. View changes. The issue was fixed via: proc-macro2 1. 7. A support library for macro authors when defining new macros. Closed tmaklin opened this issue Jul 4, 2023 · 1 comment Closed Build fails with error[E0635]: unknown feature proc_macro_span_shrink #31. 4. Data structures — Syn provides a complete syntax tree that can represent any valid Rust source code. 对比不同版本的proc-macro2，去掉本地库中proc-macro2-1. 0 Compiling log v0. Reload to refresh your session. You signed out in another tab or window. You signed out in another tab or window. Check the server logs for additional info. crates. . I'll open an issue and point to this forum post as well. 147 Compiling proc-macro2 v1. dwarf_version 1. cargo/registry/src/index. Tracking issue for RFC 1566: Procedural macros #38356. 1. #11187 rename and use the 1. 7. 17. You switched accounts on another tab or window. toml Outdated Show resolved Hide resolved. cargo egistrysrcindex. (proc_macro_span_shrink) Creates an empty span pointing to. 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. Compiler flags; 1. (proc_macro_span #54725) The span for the origin source code that self was generated from. debug_info_for_profiling 1. One of the project maintainers explained to me that I was using a too-recent toolchain. ## 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. This is the output when compiling: >>> rust-server 0. 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. . 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. Function-like macros are newly stable to the 2018 edition and allow. 5. 1. Open eyecod-toppick opened this issue Jul 10, 2023 · 5 comments Open error[E0635]: unknown feature proc_macro_span_shrink while building av2 by Pip #212. Closed ia0 reviewed Sep 26, 2022. 7. io-6f17d22bba15001f/proc-macro2-1. 8. Describe the bug This is part of clippy's pedantic lint group so it's not on by default, but some part of the tauri::command macro must generate items after they are used in statements: htt. must_support_dlopen && !target. 9%+) of SpanData instances can be made to fit within those 8 bytes. {"payload":{"allShortcutsEnabled":false,"fileTree":{"":{"items":[{"name":". ## Problem `cargo +nightly doc` is giving a lot of warnings: broken links, naked URLs, etc. Actions. 0. 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. Here the logs. 0. The # [proc_macro] for function-like macros and # [proc_macro_derive] for custom derives work the same, except they only have one TokenStream argument. 4 Compiling lock_api v0. codegen_backend 1. 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. Compiler flags; 1. 6. 5. #549. rust-analyzer Add an environment variable to test proc macros against various toolchains. 0. 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. . com> - 1. If this Span wasn’t generated from other macro expansions then the return value is the same as *self. profile 1. error[E0635]: unknown feature `proc_macro_span_shrink` --> $HOME/. 3. The . dump_mono_stats 1. This library serves two purposes: Bring proc-macro-like functionality to other contexts like build. 13. Anchor build fails due to a current Rust version (1. 10. 6. rs and main. 1 Compiling libc v0. Compiler flags. source pub fn resolved_at (&self, other: Span) -> Span Creates a new span with the same line/column information as self but that resolves symbols as though it were at other. Panics. 0. How to write a procedural macro. New issue unknown feature proc_macro_span_shrink #401 Closed rlovell3 opened this issue Jul 26, 2023 · 2 comments commented Jul 26, 2023 may solve your problem. source pub fn before(&self) -> Span. 32, the protobuf-compiler version supplied by the apt repository on Ubuntu 18 or older does not meet the version requirement to build a Substrate project. 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 siteCompile error: rror[E0635]: unknown feature `proc_macro_span_shrink` --> /Users/xus/. As with custom derives, procedural macros may only be declared in crates of the proc-macro type, and must be public functions. 10. rust-analyzer Introduce the sysroot ABI (disabled by default) rust Convert rust-analyzer to an in-tree tool. 6. 4. Source of the Rust file `compiler/rustc_expand/src/proc_macro_server. 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. taiki-e commented May 7, 2019 (We probably can remove proc_macro_span from allow-features because dtolnay/proc-macro2#176 merged and proc-macro2 4. 7. /deploy. It only returns a result if the span corresponds to real source code. export_executable_symbols 1. 3. rs`.