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Jump to definition doesn't generate a link for macro calls #91174

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Ethiraric opened this issue Nov 24, 2021 · 0 comments · Fixed by #91264
Closed

Jump to definition doesn't generate a link for macro calls #91174

Ethiraric opened this issue Nov 24, 2021 · 0 comments · Fixed by #91264
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A-rustdoc-ui Area: Rustdoc UI (generated HTML) C-bug Category: This is a bug. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.

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@Ethiraric
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On this page, the macros calls (forward!, concat!, ...) are not clickable to jump to their definitions.

@Ethiraric Ethiraric added the C-bug Category: This is a bug. label Nov 24, 2021
@GuillaumeGomez GuillaumeGomez self-assigned this Nov 24, 2021
@GuillaumeGomez GuillaumeGomez added A-rustdoc-ui Area: Rustdoc UI (generated HTML) T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue. labels Nov 24, 2021
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this issue Jun 21, 2022
…=jsha

Add macro support in jump to definition feature

Fixes rust-lang#91174.

To do so, I check if the span comes from an expansion, and if so, I infer the original macro `DefId` or `Span` depending if it's a defined in the current crate or not.

There is one limitation due to macro expansion though:

```rust
macro_rules! yolo { () => {}}

fn foo() {
    yolo!();
}
```

In `foo`, `yolo!` won't be linked because after expansion, it is replaced by nothing (which seems logical). So I can't get an item from the `Visitor` from which I could tell if its `Span` comes from an expansion.

I added a test for this specific limitation alongside others.

Demo: https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html

As for the empty macro issue that cannot create a jump to definition, you can see it [here](https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html#35).

r? `@jyn514`
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this issue Jun 21, 2022
…=jsha

Add macro support in jump to definition feature

Fixes rust-lang#91174.

To do so, I check if the span comes from an expansion, and if so, I infer the original macro `DefId` or `Span` depending if it's a defined in the current crate or not.

There is one limitation due to macro expansion though:

```rust
macro_rules! yolo { () => {}}

fn foo() {
    yolo!();
}
```

In `foo`, `yolo!` won't be linked because after expansion, it is replaced by nothing (which seems logical). So I can't get an item from the `Visitor` from which I could tell if its `Span` comes from an expansion.

I added a test for this specific limitation alongside others.

Demo: https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html

As for the empty macro issue that cannot create a jump to definition, you can see it [here](https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html#35).

r? ``@jyn514``
Dylan-DPC added a commit to Dylan-DPC/rust that referenced this issue Jun 22, 2022
…=jsha

Add macro support in jump to definition feature

Fixes rust-lang#91174.

To do so, I check if the span comes from an expansion, and if so, I infer the original macro `DefId` or `Span` depending if it's a defined in the current crate or not.

There is one limitation due to macro expansion though:

```rust
macro_rules! yolo { () => {}}

fn foo() {
    yolo!();
}
```

In `foo`, `yolo!` won't be linked because after expansion, it is replaced by nothing (which seems logical). So I can't get an item from the `Visitor` from which I could tell if its `Span` comes from an expansion.

I added a test for this specific limitation alongside others.

Demo: https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html

As for the empty macro issue that cannot create a jump to definition, you can see it [here](https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html#35).

r? `@jyn514`
JohnTitor added a commit to JohnTitor/rust that referenced this issue Jun 24, 2022
…=jsha

Add macro support in jump to definition feature

Fixes rust-lang#91174.

To do so, I check if the span comes from an expansion, and if so, I infer the original macro `DefId` or `Span` depending if it's a defined in the current crate or not.

There is one limitation due to macro expansion though:

```rust
macro_rules! yolo { () => {}}

fn foo() {
    yolo!();
}
```

In `foo`, `yolo!` won't be linked because after expansion, it is replaced by nothing (which seems logical). So I can't get an item from the `Visitor` from which I could tell if its `Span` comes from an expansion.

I added a test for this specific limitation alongside others.

Demo: https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html

As for the empty macro issue that cannot create a jump to definition, you can see it [here](https://rustdoc.crud.net/imperio/macro-jump-to-def/src/foo/check-source-code-urls-to-def-std.rs.html#35).

r? ``@jyn514``
@bors bors closed this as completed in 97f4d7b Jun 24, 2022
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A-rustdoc-ui Area: Rustdoc UI (generated HTML) C-bug Category: This is a bug. T-rustdoc Relevant to the rustdoc team, which will review and decide on the PR/issue.
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