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A tool to query symbols from rust code for use in IDEs

License: MIT License

Rust 100.00%

rustsym's People

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llogiq mmitkevich nox svercl hawkw seik0ixtem roustem

rustsym's Issues

Emit information for all modules

Should mod foo; emit information for the foo symbol even if we don't recurse in its children in local mode?

pub(in x) not supported

 $ rustsym search -l src/lib.rs Symbol
src/types_map/parsing.rs:26:5: 26:7 error: expected identifier, found keyword `in`
src/types_map/parsing.rs:26 pub(in types_map) fn parse_types_map(
                                ^~
error: internal compiler error: Error constructed but not emitted
thread 'main' panicked at 'explicit panic', .cargo/registry/src/github.com-1ecc6299db9ec823/syntex_errors-0.38.0/src/lib.rs:393

feature(llvm_asm, test, specialization, const_fn))] has been removed

cargo install -v rustsym

rustc 1.55.0-nightly (5a7834050 2021-06-23)
cargo 1.54.0-nightly (44456677b 2021-06-12)

     Running `rustc --crate-name serde_json --edition=2018 /Users/lavenderuni/.cargo/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.64/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="std"' -C metadata=3fdbdc286ac4f6ab -C extra-filename=-3fdbdc286ac4f6ab --out-dir /var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps -L dependency=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps --extern itoa=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/libitoa-19a71e5d68c66870.rmeta --extern ryu=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/libryu-324322cff132e118.rmeta --extern serde=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/libserde-8b7b39554089312e.rmeta --cap-lints allow --cfg limb_width_64`
     Running `rustc --crate-name extprim /Users/lavenderuni/.cargo/registry/src/github.com-1ecc6299db9ec823/extprim-1.7.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="rand"' --cfg 'feature="serde"' --cfg 'feature="use-std"' -C metadata=6fa3bcbf11d1d84d -C extra-filename=-6fa3bcbf11d1d84d --out-dir /var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps -L dependency=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps --extern num_traits=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/libnum_traits-e513228520d90021.rmeta --extern rand=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/librand-da651ec487764c79.rmeta --extern serde=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/libserde-8b7b39554089312e.rmeta --cap-lints allow --cfg 'extprim_channel="unstable"' --cfg extprim_has_stable_i128`
error[E0557]: feature has been removed
  --> /Users/lavenderuni/.cargo/registry/src/github.com-1ecc6299db9ec823/extprim-1.7.1/src/lib.rs:58:81
   |
58 | #![cfg_attr(extprim_channel="unstable", feature(llvm_asm, test, specialization, const_fn))]
   |                                                                                 ^^^^^^^^ feature has been removed
   |
   = note: split into finer-grained feature gates

error: aborting due to previous error

For more information about this error, try `rustc --explain E0557`.
error: could not compile `extprim`

Caused by:
  process didn't exit successfully: `rustc --crate-name extprim /Users/lavenderuni/.cargo/registry/src/github.com-1ecc6299db9ec823/extprim-1.7.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="rand"' --cfg 'feature="serde"' --cfg 'feature="use-std"' -C metadata=6fa3bcbf11d1d84d -C extra-filename=-6fa3bcbf11d1d84d --out-dir /var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps -L dependency=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps --extern num_traits=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/libnum_traits-e513228520d90021.rmeta --extern rand=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/librand-da651ec487764c79.rmeta --extern serde=/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY/release/deps/libserde-8b7b39554089312e.rmeta --cap-lints allow --cfg 'extprim_channel="unstable"' --cfg extprim_has_stable_i128` (exit status: 1)
warning: build failed, waiting for other jobs to finish...
    Building [========================>  ] 79/83: serde_json



error: failed to compile `rustsym v0.3.2`, intermediate artifacts can be found at `/var/folders/lk/wv4ldjss537fmrfc34j5tfsm0000gn/T/cargo-installNddKiY`

Caused by:
  build failed

search -g not return anything?

rustsym search -g . main

returns

[]

while

rustsym search -l src/main.rs main

returns

[{"path":"src/main.rs","name":"main","container":"","kind":"function","line":8}]

Find alternative to syntex_syntax

Since syntex_syntax is no longer maintained, we need an alternative solution for parsing Rust to an AST.

I'm not as involved in the rust community as much as I would like to be, so I'm out of the loop as far as AST parsers go for Rust.

panics on some "use" statements

// this works
use std::ffi::{OsStr};

// this does not
use std::{ffi::OsStr};

fn main() -> std::io::Result<()> { return Ok(()); }

With this code panic popup rises:

rustsym panicked while searching D:\workspace\rust\udpate_generator\src\test.rs for symbols.
thread 'main' panicked at 'explicit panic', C:\Users\komp.cargo\registry\src\github.com-1ecc6299db9ec823\syntex_errors-0.59.1\src\diagnostic_builder.rs:204:13

rustsym can give wrong results because it doesn't run macros

The problem

So I've got this small project (can provide you a git repo if it helps) that uses the "mlua" crate. I have a file with this code:

use mlua::Lua;
use mlua::prelude::{LuaResult, LuaTable};

fn func1(_: &Lua, _: ()) -> LuaResult<()> {
    Ok(())
}

fn func2(_: &Lua, _: ()) -> LuaResult<()> {
    Ok(())
}

#[mlua::lua_module]
pub fn module(lua: &Lua) -> LuaResult<LuaTable> {
    lua.create_table_from(vec![
        ("func1", lua.create_function(func1)?),
        ("func2", lua.create_function(func2)?),
    ])
}

Now, I have a problem: I want to use this "module" function in another file. But see that #[mlua::lua_module]? That's a macro the mlua crate publishes, and it actually changes the name (and visibility) of the function it is attached to. It turns out it changes it to luaopen_module. But I didn't know that, so I installed rustsym.

So I run rustsym and:

Cool, so there's an exported function named "module".

Except no:

Eventually I figure out I can also use cargo doc --open for this purpose. Here's what it says exists:

Expected behavior

I think rustsym gave the incorrect name for luaopen_module because it doesn't run macros, whereas cargo doc --open gave the correct name because it did. Ideally rustsym should run macros.

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