diff options
Diffstat (limited to 'compiler/rustc_errors/src')
| -rw-r--r-- | compiler/rustc_errors/src/diagnostic.rs | 60 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/diagnostic_builder.rs | 27 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/emitter.rs | 9 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/json.rs | 27 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/lib.rs | 13 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/registry.rs | 4 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/snippet.rs | 10 | ||||
| -rw-r--r-- | compiler/rustc_errors/src/styled_buffer.rs | 5 |
8 files changed, 53 insertions, 102 deletions
diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index ce5b130dd97..b2f6a0c1014 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -69,10 +69,6 @@ impl DiagnosticStyledString { pub fn highlighted<S: Into<String>>(t: S) -> DiagnosticStyledString { DiagnosticStyledString(vec![StringPart::Highlighted(t.into())]) } - - pub fn content(&self) -> String { - self.0.iter().map(|x| x.content()).collect::<String>() - } } #[derive(Debug, PartialEq, Eq)] @@ -81,14 +77,6 @@ pub enum StringPart { Highlighted(String), } -impl StringPart { - pub fn content(&self) -> &str { - match self { - &StringPart::Normal(ref s) | &StringPart::Highlighted(ref s) => s, - } - } -} - impl Diagnostic { pub fn new(level: Level, message: &str) -> Self { Diagnostic::new_with_code(level, None, message) @@ -156,7 +144,7 @@ impl Diagnostic { self } - pub fn note_expected_found( + crate fn note_expected_found( &mut self, expected_label: &dyn fmt::Display, expected: DiagnosticStyledString, @@ -166,7 +154,7 @@ impl Diagnostic { self.note_expected_found_extra(expected_label, expected, found_label, found, &"", &"") } - pub fn note_unsuccessful_coercion( + crate fn note_unsuccessful_coercion( &mut self, expected: DiagnosticStyledString, found: DiagnosticStyledString, @@ -256,33 +244,33 @@ impl Diagnostic { /// Prints the span with a note above it. /// This is like [`Diagnostic::note()`], but it gets its own span. - pub fn span_note<S: Into<MultiSpan>>(&mut self, sp: S, msg: &str) -> &mut Self { + crate fn span_note<S: Into<MultiSpan>>(&mut self, sp: S, msg: &str) -> &mut Self { self.sub(Level::Note, msg, sp.into(), None); self } /// Add a warning attached to this diagnostic. - pub fn warn(&mut self, msg: &str) -> &mut Self { + crate fn warn(&mut self, msg: &str) -> &mut Self { self.sub(Level::Warning, msg, MultiSpan::new(), None); self } /// Prints the span with a warning above it. /// This is like [`Diagnostic::warn()`], but it gets its own span. - pub fn span_warn<S: Into<MultiSpan>>(&mut self, sp: S, msg: &str) -> &mut Self { + crate fn span_warn<S: Into<MultiSpan>>(&mut self, sp: S, msg: &str) -> &mut Self { self.sub(Level::Warning, msg, sp.into(), None); self } /// Add a help message attached to this diagnostic. - pub fn help(&mut self, msg: &str) -> &mut Self { + crate fn help(&mut self, msg: &str) -> &mut Self { self.sub(Level::Help, msg, MultiSpan::new(), None); self } /// Prints the span with some help above it. /// This is like [`Diagnostic::help()`], but it gets its own span. - pub fn span_help<S: Into<MultiSpan>>(&mut self, sp: S, msg: &str) -> &mut Self { + crate fn span_help<S: Into<MultiSpan>>(&mut self, sp: S, msg: &str) -> &mut Self { self.sub(Level::Help, msg, sp.into(), None); self } @@ -311,36 +299,6 @@ impl Diagnostic { self } - /// Show multiple suggestions that have multiple parts. - /// See also [`Diagnostic::multipart_suggestion()`]. - pub fn multipart_suggestions( - &mut self, - msg: &str, - suggestions: Vec<Vec<(Span, String)>>, - applicability: Applicability, - ) -> &mut Self { - assert!(!suggestions.is_empty()); - for s in &suggestions { - assert!(!s.is_empty()); - } - self.suggestions.push(CodeSuggestion { - substitutions: suggestions - .into_iter() - .map(|suggestion| Substitution { - parts: suggestion - .into_iter() - .map(|(span, snippet)| SubstitutionPart { snippet, span }) - .collect(), - }) - .collect(), - msg: msg.to_owned(), - style: SuggestionStyle::ShowCode, - applicability, - tool_metadata: Default::default(), - }); - self - } - /// Prints out a message with for a multipart suggestion without showing the suggested code. /// /// This is intended to be used for suggestions that are obvious in what the changes need to @@ -567,7 +525,7 @@ impl Diagnostic { self.code.clone() } - pub fn set_primary_message<M: Into<String>>(&mut self, msg: M) -> &mut Self { + crate fn set_primary_message<M: Into<String>>(&mut self, msg: M) -> &mut Self { self.message[0] = (msg.into(), Style::NoStyle); self } @@ -582,6 +540,8 @@ impl Diagnostic { /// Convenience function for internal use, clients should use one of the /// public methods above. + /// + /// Used by `proc_macro_server` for implementing `server::Diagnostic`. pub fn sub( &mut self, level: Level, diff --git a/compiler/rustc_errors/src/diagnostic_builder.rs b/compiler/rustc_errors/src/diagnostic_builder.rs index 79507e61522..282877d5dd1 100644 --- a/compiler/rustc_errors/src/diagnostic_builder.rs +++ b/compiler/rustc_errors/src/diagnostic_builder.rs @@ -157,19 +157,6 @@ impl<'a> DiagnosticBuilder<'a> { buffered_diagnostics.extend(self.into_diagnostic().map(|(diag, _)| diag)); } - /// Convenience function for internal use, clients should use one of the - /// span_* methods instead. - pub fn sub<S: Into<MultiSpan>>( - &mut self, - level: Level, - message: &str, - span: Option<S>, - ) -> &mut Self { - let span = span.map(|s| s.into()).unwrap_or_else(MultiSpan::new); - self.0.diagnostic.sub(level, message, span, None); - self - } - /// Delay emission of this diagnostic as a bug. /// /// This can be useful in contexts where an error indicates a bug but @@ -270,20 +257,6 @@ impl<'a> DiagnosticBuilder<'a> { self } - /// See [`Diagnostic::multipart_suggestions()`]. - pub fn multipart_suggestions( - &mut self, - msg: &str, - suggestions: Vec<Vec<(Span, String)>>, - applicability: Applicability, - ) -> &mut Self { - if !self.0.allow_suggestions { - return self; - } - self.0.diagnostic.multipart_suggestions(msg, suggestions, applicability); - self - } - /// See [`Diagnostic::tool_only_multipart_suggestion()`]. pub fn tool_only_multipart_suggestion( &mut self, diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 66499fbb8da..a58caf2667b 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -195,6 +195,9 @@ pub trait Emitter { fn emit_future_breakage_report(&mut self, _diags: Vec<(FutureBreakage, Diagnostic)>) {} + /// Emit list of unused externs + fn emit_unused_externs(&mut self, _lint_level: &str, _unused_externs: &[&str]) {} + /// Checks if should show explanations about "rustc --explain" fn should_show_explain(&self) -> bool { true @@ -1258,7 +1261,7 @@ impl EmitterWriter { buffer.append(0, ": ", header_style); } for &(ref text, _) in msg.iter() { - buffer.append(0, text, header_style); + buffer.append(0, &replace_tabs(text), header_style); } } @@ -2214,9 +2217,7 @@ pub fn is_case_difference(sm: &SourceMap, suggested: &str, sp: Span) -> bool { }; let ascii_confusables = &['c', 'f', 'i', 'k', 'o', 's', 'u', 'v', 'w', 'x', 'y', 'z']; // All the chars that differ in capitalization are confusable (above): - let confusable = found - .chars() - .zip(suggested.chars()) + let confusable = iter::zip(found.chars(), suggested.chars()) .filter(|(f, s)| f != s) .all(|(f, s)| (ascii_confusables.contains(&f) || ascii_confusables.contains(&s))); confusable && found.to_lowercase() == suggested.to_lowercase() diff --git a/compiler/rustc_errors/src/json.rs b/compiler/rustc_errors/src/json.rs index c27b39a9d62..40277006462 100644 --- a/compiler/rustc_errors/src/json.rs +++ b/compiler/rustc_errors/src/json.rs @@ -159,6 +159,19 @@ impl Emitter for JsonEmitter { } } + fn emit_unused_externs(&mut self, lint_level: &str, unused_externs: &[&str]) { + let data = UnusedExterns { lint_level, unused_extern_names: unused_externs }; + let result = if self.pretty { + writeln!(&mut self.dst, "{}", as_pretty_json(&data)) + } else { + writeln!(&mut self.dst, "{}", as_json(&data)) + } + .and_then(|_| self.dst.flush()); + if let Err(e) = result { + panic!("failed to print unused externs: {:?}", e); + } + } + fn source_map(&self) -> Option<&Lrc<SourceMap>> { Some(&self.sm) } @@ -322,6 +335,18 @@ struct FutureIncompatReport { future_incompat_report: Vec<FutureBreakageItem>, } +// NOTE: Keep this in sync with the equivalent structs in rustdoc's +// doctest component (as well as cargo). +// We could unify this struct the one in rustdoc but they have different +// ownership semantics, so doing so would create wasteful allocations. +#[derive(Encodable)] +struct UnusedExterns<'a, 'b, 'c> { + /// The severity level of the unused dependencies lint + lint_level: &'a str, + /// List of unused externs by their names. + unused_extern_names: &'b [&'c str], +} + impl Diagnostic { fn from_errors_diagnostic(diag: &crate::Diagnostic, je: &JsonEmitter) -> Diagnostic { let sugg = diag.suggestions.iter().map(|sugg| Diagnostic { @@ -493,7 +518,7 @@ impl DiagnosticSpanLine { h_end: usize, ) -> DiagnosticSpanLine { DiagnosticSpanLine { - text: sf.get_line(index).map_or(String::new(), |l| l.into_owned()), + text: sf.get_line(index).map_or_else(String::new, |l| l.into_owned()), highlight_start: h_start, highlight_end: h_end, } diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index fa855f544e8..0d1f55a6b00 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -6,6 +6,7 @@ #![feature(crate_visibility_modifier)] #![feature(backtrace)] #![feature(extended_key_value_attributes)] +#![feature(iter_zip)] #![feature(nll)] #[macro_use] @@ -690,10 +691,6 @@ impl Handler { db } - pub fn failure(&self, msg: &str) { - self.inner.borrow_mut().failure(msg); - } - pub fn fatal(&self, msg: &str) -> FatalError { self.inner.borrow_mut().fatal(msg) } @@ -768,6 +765,10 @@ impl Handler { self.inner.borrow_mut().emitter.emit_future_breakage_report(diags) } + pub fn emit_unused_externs(&self, lint_level: &str, unused_externs: &[&str]) { + self.inner.borrow_mut().emit_unused_externs(lint_level, unused_externs) + } + pub fn delay_as_bug(&self, diagnostic: Diagnostic) { self.inner.borrow_mut().delay_as_bug(diagnostic) } @@ -842,6 +843,10 @@ impl HandlerInner { self.emitter.emit_artifact_notification(path, artifact_type); } + fn emit_unused_externs(&mut self, lint_level: &str, unused_externs: &[&str]) { + self.emitter.emit_unused_externs(lint_level, unused_externs); + } + fn treat_err_as_bug(&self) -> bool { self.flags.treat_err_as_bug.map_or(false, |c| self.err_count() >= c.get()) } diff --git a/compiler/rustc_errors/src/registry.rs b/compiler/rustc_errors/src/registry.rs index b1d770d5bd5..da764d993bb 100644 --- a/compiler/rustc_errors/src/registry.rs +++ b/compiler/rustc_errors/src/registry.rs @@ -13,10 +13,6 @@ impl Registry { Registry { long_descriptions: long_descriptions.iter().copied().collect() } } - /// This will panic if an invalid error code is passed in - pub fn find_description(&self, code: &str) -> Option<&'static str> { - self.long_descriptions[code] - } /// Returns `InvalidErrorCode` if the code requested does not exist in the /// registry. Otherwise, returns an `Option` where `None` means the error /// code is valid but has no extended information. diff --git a/compiler/rustc_errors/src/snippet.rs b/compiler/rustc_errors/src/snippet.rs index acb88e57db5..3fe02bd0cee 100644 --- a/compiler/rustc_errors/src/snippet.rs +++ b/compiler/rustc_errors/src/snippet.rs @@ -121,16 +121,6 @@ impl Annotation { matches!(self.annotation_type, AnnotationType::MultilineLine(_)) } - pub fn is_multiline(&self) -> bool { - matches!( - self.annotation_type, - AnnotationType::Multiline(_) - | AnnotationType::MultilineStart(_) - | AnnotationType::MultilineLine(_) - | AnnotationType::MultilineEnd(_) - ) - } - pub fn len(&self) -> usize { // Account for usize underflows if self.end_col > self.start_col { diff --git a/compiler/rustc_errors/src/styled_buffer.rs b/compiler/rustc_errors/src/styled_buffer.rs index ef71ee36ea3..ec122e7be6e 100644 --- a/compiler/rustc_errors/src/styled_buffer.rs +++ b/compiler/rustc_errors/src/styled_buffer.rs @@ -1,6 +1,7 @@ // Code for creating styled buffers use crate::snippet::{Style, StyledString}; +use std::iter; #[derive(Debug)] pub struct StyledBuffer { @@ -20,11 +21,11 @@ impl StyledBuffer { let mut output: Vec<Vec<StyledString>> = vec![]; let mut styled_vec: Vec<StyledString> = vec![]; - for (row, row_style) in self.text.iter().zip(&self.styles) { + for (row, row_style) in iter::zip(&self.text, &self.styles) { let mut current_style = Style::NoStyle; let mut current_text = String::new(); - for (&c, &s) in row.iter().zip(row_style) { + for (&c, &s) in iter::zip(row, row_style) { if s != current_style { if !current_text.is_empty() { styled_vec.push(StyledString { text: current_text, style: current_style }); |