48 lines
1.4 KiB
Rust
48 lines
1.4 KiB
Rust
//! See docs for `SyntaxError`.
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use std::fmt;
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use crate::{TextRange, TextUnit};
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/// Represents the result of unsuccessful tokenization, parsing
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/// or tree validation.
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#[derive(Debug, Clone, PartialEq, Eq, Hash)]
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pub struct SyntaxError(String, TextRange);
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// FIXME: there was an unused SyntaxErrorKind previously (before this enum was removed)
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// It was introduced in this PR: https://github.com/rust-analyzer/rust-analyzer/pull/846/files#diff-827da9b03b8f9faa1bade5cdd44d5dafR95
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// but it was not removed by a mistake.
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//
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// So, we need to find a place where to stick validation for attributes in match clauses.
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// Code before refactor:
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// InvalidMatchInnerAttr => {
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// write!(f, "Inner attributes are only allowed directly after the opening brace of the match expression")
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// }
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impl SyntaxError {
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pub fn new(message: impl Into<String>, range: TextRange) -> Self {
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Self(message.into(), range)
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}
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pub fn new_at_offset(message: impl Into<String>, offset: TextUnit) -> Self {
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Self(message.into(), TextRange::offset_len(offset, 0.into()))
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}
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pub fn message(&self) -> &str {
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&self.0
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}
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pub fn range(&self) -> TextRange {
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self.1
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}
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pub fn with_range(mut self, range: TextRange) -> Self {
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self.1 = range;
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self
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}
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}
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impl fmt::Display for SyntaxError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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self.0.fmt(f)
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}
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}
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