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
| ^
```
13 lines
296 B
Plaintext
13 lines
296 B
Plaintext
error: this file contains an unclosed delimiter
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--> $DIR/issue-107423-unused-delim-only-one-no-pair.rs:7:11
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LL | fn a(){{{
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| ---^
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| ||unclosed delimiter
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| |unclosed delimiter
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| unclosed delimiter
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error: aborting due to 1 previous error
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