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Fade out unnecessary code

Browse Source 
Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2022-03-15 15:51:59 +01:00
parent 41bd58e3ac
commit 7155dabf5b
10 changed files with 73 additions and 34 deletions
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3
crates/editor/src/display_map/block_map.rs
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@ -819,7 +819,8 @@ impl<'a> Iterator for BlockChunks<'a> {
text: unsafe { std::str::from_utf8_unchecked(&NEWLINES[..line_count as usize]) },
syntax_highlight_id: None,
highlight_style: None,
diagnostic: None,
diagnostic_severity: None,
is_unnecessary: false,
});
}

3
crates/editor/src/display_map/fold_map.rs
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@ -1078,7 +1078,8 @@ impl<'a> Iterator for FoldChunks<'a> {
text: output_text,
syntax_highlight_id: None,
highlight_style: None,
diagnostic: None,
diagnostic_severity: None,
is_unnecessary: false,
});
}

33
crates/editor/src/element.rs
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@ -665,22 +665,25 @@ impl EditorElement {
}
}
if let Some(severity) = chunk.diagnostic {
let diagnostic_style = super::diagnostic_style(severity, true, style);
let diagnostic_highlight = HighlightStyle {
underline: Some(Underline {
color: Some(diagnostic_style.message.text.color),
thickness: 1.0.into(),
squiggly: true,
}),
..Default::default()
};
let mut diagnostic_highlight = HighlightStyle {
..Default::default()
};
if let Some(highlight_style) = highlight_style.as_mut() {
highlight_style.highlight(diagnostic_highlight);
} else {
highlight_style = Some(diagnostic_highlight);
}
if chunk.is_unnecessary {
diagnostic_highlight.fade_out = Some(style.unnecessary_code_fade);
} else if let Some(severity) = chunk.diagnostic_severity {
let diagnostic_style = super::diagnostic_style(severity, true, style);
diagnostic_highlight.underline = Some(Underline {
color: Some(diagnostic_style.message.text.color),
thickness: 1.0.into(),
squiggly: true,
});
}
if let Some(highlight_style) = highlight_style.as_mut() {
highlight_style.highlight(diagnostic_highlight);
} else {
highlight_style = Some(diagnostic_highlight);
}
(chunk.text, highlight_style)

27
crates/language/src/buffer.rs
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@ -105,6 +105,7 @@ pub struct Diagnostic {
pub is_valid: bool,
pub is_primary: bool,
pub is_disk_based: bool,
pub is_unnecessary: bool,
}
#[derive(Clone, Debug)]
@ -240,6 +241,7 @@ pub struct BufferChunks<'a> {
warning_depth: usize,
information_depth: usize,
hint_depth: usize,
unnecessary_depth: usize,
highlights: Option<BufferChunkHighlights<'a>>,
}
@ -248,7 +250,8 @@ pub struct Chunk<'a> {
pub text: &'a str,
pub syntax_highlight_id: Option<HighlightId>,
pub highlight_style: Option<HighlightStyle>,
pub diagnostic: Option<DiagnosticSeverity>,
pub diagnostic_severity: Option<DiagnosticSeverity>,
pub is_unnecessary: bool,
}
pub(crate) struct Diff {
@ -263,6 +266,7 @@ pub(crate) struct DiagnosticEndpoint {
offset: usize,
is_start: bool,
severity: DiagnosticSeverity,
is_unnecessary: bool,
}
#[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Debug)]
@ -1580,11 +1584,13 @@ impl BufferSnapshot {
offset: entry.range.start,
is_start: true,
severity: entry.diagnostic.severity,
is_unnecessary: entry.diagnostic.is_unnecessary,
});
diagnostic_endpoints.push(DiagnosticEndpoint {
offset: entry.range.end,
is_start: false,
severity: entry.diagnostic.severity,
is_unnecessary: entry.diagnostic.is_unnecessary,
});
}
diagnostic_endpoints
@ -1976,6 +1982,7 @@ impl<'a> BufferChunks<'a> {
warning_depth: 0,
information_depth: 0,
hint_depth: 0,
unnecessary_depth: 0,
highlights,
}
}
@ -2021,9 +2028,17 @@ impl<'a> BufferChunks<'a> {
} else {
*depth -= 1;
}
if endpoint.is_unnecessary {
if endpoint.is_start {
self.unnecessary_depth += 1;
} else {
self.unnecessary_depth -= 1;
}
}
}
fn current_diagnostic_severity(&mut self) -> Option<DiagnosticSeverity> {
fn current_diagnostic_severity(&self) -> Option<DiagnosticSeverity> {
if self.error_depth > 0 {
Some(DiagnosticSeverity::ERROR)
} else if self.warning_depth > 0 {
@ -2036,6 +2051,10 @@ impl<'a> BufferChunks<'a> {
None
}
}
fn current_code_is_unnecessary(&self) -> bool {
self.unnecessary_depth > 0
}
}
impl<'a> Iterator for BufferChunks<'a> {
@ -2107,7 +2126,8 @@ impl<'a> Iterator for BufferChunks<'a> {
text: slice,
syntax_highlight_id: highlight_id,
highlight_style: None,
diagnostic: self.current_diagnostic_severity(),
diagnostic_severity: self.current_diagnostic_severity(),
is_unnecessary: self.current_code_is_unnecessary(),
})
} else {
None
@ -2193,6 +2213,7 @@ impl Default for Diagnostic {
is_primary: Default::default(),
is_valid: true,
is_disk_based: false,
is_unnecessary: false,
}
}
}

2
crates/language/src/proto.rs
View File

@ -132,6 +132,7 @@ pub fn serialize_diagnostics<'a>(
is_valid: entry.diagnostic.is_valid,
code: entry.diagnostic.code.clone(),
is_disk_based: entry.diagnostic.is_disk_based,
is_unnecessary: entry.diagnostic.is_unnecessary,
})
.collect()
}
@ -308,6 +309,7 @@ pub fn deserialize_diagnostics(
is_valid: diagnostic.is_valid,
is_primary: diagnostic.is_primary,
is_disk_based: diagnostic.is_disk_based,
is_unnecessary: diagnostic.is_unnecessary,
},
})
})

34
crates/project/src/project.rs
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@ -21,7 +21,7 @@ use language::{
LocalFile, OffsetRangeExt, Operation, PointUtf16, TextBufferSnapshot, ToLspPosition, ToOffset,
ToPointUtf16, Transaction,
};
use lsp::{DiagnosticSeverity, DocumentHighlightKind, LanguageServer};
use lsp::{DiagnosticSeverity, DiagnosticTag, DocumentHighlightKind, LanguageServer};
use lsp_command::*;
use parking_lot::Mutex;
use postage::watch;
@ -1621,7 +1621,7 @@ impl Project {
let mut diagnostics = Vec::default();
let mut primary_diagnostic_group_ids = HashMap::default();
let mut sources_by_group_id = HashMap::default();
let mut supporting_diagnostic_severities = HashMap::default();
let mut supporting_diagnostics = HashMap::default();
for diagnostic in &params.diagnostics {
let source = diagnostic.source.as_ref();
let code = diagnostic.code.as_ref().map(|code| match code {
@ -1642,11 +1642,15 @@ impl Project {
})
});
let is_unnecessary = diagnostic.tags.as_ref().map_or(false, |tags| {
tags.iter().any(|tag| *tag == DiagnosticTag::UNNECESSARY)
});
if is_supporting {
if let Some(severity) = diagnostic.severity {
supporting_diagnostic_severities
.insert((source, code.clone(), range), severity);
}
supporting_diagnostics.insert(
(source, code.clone(), range),
(diagnostic.severity, is_unnecessary),
);
} else {
let group_id = post_inc(&mut next_group_id);
let is_disk_based =
@ -1666,6 +1670,7 @@ impl Project {
is_primary: true,
is_valid: true,
is_disk_based,
is_unnecessary,
},
});
if let Some(infos) = &diagnostic.related_information {
@ -1682,6 +1687,7 @@ impl Project {
is_primary: false,
is_valid: true,
is_disk_based,
is_unnecessary: false,
},
});
}
@ -1694,12 +1700,15 @@ impl Project {
let diagnostic = &mut entry.diagnostic;
if !diagnostic.is_primary {
let source = *sources_by_group_id.get(&diagnostic.group_id).unwrap();
if let Some(&severity) = supporting_diagnostic_severities.get(&(
if let Some(&(severity, is_unnecessary)) = supporting_diagnostics.get(&(
source,
diagnostic.code.clone(),
entry.range.clone(),
)) {
diagnostic.severity = severity;
if let Some(severity) = severity {
diagnostic.severity = severity;
}
diagnostic.is_unnecessary = is_unnecessary;
}
}
}
@ -5568,13 +5577,12 @@ mod tests {
) -> Vec<(String, Option<DiagnosticSeverity>)> {
let mut chunks: Vec<(String, Option<DiagnosticSeverity>)> = Vec::new();
for chunk in buffer.snapshot().chunks(range, true) {
if chunks
.last()
.map_or(false, |prev_chunk| prev_chunk.1 == chunk.diagnostic)
{
if chunks.last().map_or(false, |prev_chunk| {
prev_chunk.1 == chunk.diagnostic_severity
}) {
chunks.last_mut().unwrap().0.push_str(chunk.text);
} else {
chunks.push((chunk.text.to_string(), chunk.diagnostic));
chunks.push((chunk.text.to_string(), chunk.diagnostic_severity));
}
}
chunks

1
crates/rpc/proto/zed.proto
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@ -630,6 +630,7 @@ message Diagnostic {
bool is_primary = 7;
bool is_valid = 8;
bool is_disk_based = 9;
bool is_unnecessary = 10;
enum Severity {
None = 0;

2
crates/rpc/src/rpc.rs
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@ -5,4 +5,4 @@ pub mod proto;
pub use conn::Connection;
pub use peer::*;
pub const PROTOCOL_VERSION: u32 = 10;
pub const PROTOCOL_VERSION: u32 = 11;

1
crates/theme/src/theme.rs
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@ -303,6 +303,7 @@ pub struct Editor {
pub invalid_hint_diagnostic: DiagnosticStyle,
pub autocomplete: AutocompleteStyle,
pub code_actions_indicator: Color,
pub unnecessary_code_fade: f32,
}
#[derive(Clone, Deserialize, Default)]

1
crates/zed/assets/themes/_base.toml
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@ -250,6 +250,7 @@ gutter_padding_factor = 2.5
active_line_background = "$state.active_line"
highlighted_line_background = "$state.highlighted_line"
rename_fade = 0.6
unnecessary_code_fade = 0.5
document_highlight_read_background = "#99999920"
document_highlight_write_background = "#99999916"
diff_background_deleted = "$state.deleted_line"