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add magical debugging code to SourceCode impl for future debugging

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Kat Marchán 2021-09-21 17:54:20 -07:00
parent 32f39c2fb8
commit a7ecf7af90
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GPG Key ID: AEB529C08A3C7E9E
1 changed files with 32 additions and 2 deletions
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34
crates/nu-protocol/src/engine/engine_state.rs
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@ -556,8 +556,20 @@ impl<'a> miette::SourceCode for &StateWorkingSet<'a> {
context_lines_before: usize,
context_lines_after: usize,
) -> Result<Box<dyn miette::SpanContents + 'b>, miette::MietteError> {
let debugging = std::env::var("MIETTE_DEBUG").is_ok();
if debugging {
let finding_span = "Finding span in StateWorkingSet";
dbg!(finding_span, span);
}
for (filename, start, end) in self.files() {
if debugging {
dbg!(&filename, start, end);
}
if span.offset() >= *start && span.offset() + span.len() <= *end {
if debugging {
let found_file = "Found matching file";
dbg!(found_file);
}
let our_span = Span {
start: *start,
end: *end,
@ -565,7 +577,13 @@ impl<'a> miette::SourceCode for &StateWorkingSet<'a> {
// We need to move to a local span because we're only reading
// the specific file contents via self.get_span_contents.
let local_span = (span.offset() - *start, span.len()).into();
if debugging {
dbg!(&local_span);
}
let span_contents = self.get_span_contents(our_span);
if debugging {
dbg!(String::from_utf8_lossy(span_contents));
}
let span_contents = span_contents.read_span(
&local_span,
context_lines_before,
@ -574,19 +592,31 @@ impl<'a> miette::SourceCode for &StateWorkingSet<'a> {
let content_span = span_contents.span();
// Back to "global" indexing
let retranslated = (content_span.offset() + start, content_span.len()).into();
if debugging {
dbg!(&retranslated);
}
let data = span_contents.data();
if filename == "<cli>" {
if debugging {
let success_cli = "Successfully read CLI span";
dbg!(success_cli, String::from_utf8_lossy(data));
}
return Ok(Box::new(miette::MietteSpanContents::new(
span_contents.data(),
data,
retranslated,
span_contents.line(),
span_contents.column(),
span_contents.line_count(),
)));
} else {
if debugging {
let success_file = "Successfully read file span";
dbg!(success_file);
}
return Ok(Box::new(miette::MietteSpanContents::new_named(
filename.clone(),
span_contents.data(),
data,
retranslated,
span_contents.line(),
span_contents.column(),