2d7795dfb9
No longer track "zero-width" chars in `SourceMap`, read directly from the line when calculating the `display_col` of a `BytePos`. Move `char_width` to `rustc_span` and use it from the emitter.
This change allows the following to properly align in terminals (depending on the font, the replaced control codepoints are rendered as 1 or 2 width, on my terminal they are rendered as 1, on VSCode text they are rendered as 2):
```
error: this file contains an unclosed delimiter
--> $DIR/issue-68629.rs:5:17
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LL | ␜␟ts␀![{i
| -- unclosed delimiter
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| unclosed delimiter
LL | ␀␀ fn rݻoa>rݻm
| ^
```
22 lines
659 B
Plaintext
22 lines
659 B
Plaintext
error: mismatched closing delimiter: `]`
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--> $DIR/issue-81827.rs:10:23
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LL | fn r()->i{0|{#[cfg(r(0{]0
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| - ^^ mismatched closing delimiter
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| | unclosed delimiter
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| closing delimiter possibly meant for this
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error: this file contains an unclosed delimiter
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--> $DIR/issue-81827.rs:10:27
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LL | fn r()->i{0|{#[cfg(r(0{]0
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| | | missing open `[` for this delimiter
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| | unclosed delimiter
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| unclosed delimiter
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error: aborting due to 2 previous errors
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