diff options
Diffstat (limited to 'src/tools/clippy/clippy_utils/src/source.rs')
| -rw-r--r-- | src/tools/clippy/clippy_utils/src/source.rs | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/src/tools/clippy/clippy_utils/src/source.rs b/src/tools/clippy/clippy_utils/src/source.rs index 1197fe914..d85f591fb 100644 --- a/src/tools/clippy/clippy_utils/src/source.rs +++ b/src/tools/clippy/clippy_utils/src/source.rs @@ -11,24 +11,6 @@ use rustc_span::source_map::SourceMap; use rustc_span::{BytePos, Pos, Span, SpanData, SyntaxContext}; use std::borrow::Cow; -/// Checks if the span starts with the given text. This will return false if the span crosses -/// multiple files or if source is not available. -/// -/// This is used to check for proc macros giving unhelpful spans to things. -pub fn span_starts_with<T: LintContext>(cx: &T, span: Span, text: &str) -> bool { - fn helper(sm: &SourceMap, span: Span, text: &str) -> bool { - let pos = sm.lookup_byte_offset(span.lo()); - let Some(ref src) = pos.sf.src else { - return false; - }; - let end = span.hi() - pos.sf.start_pos; - src.get(pos.pos.0 as usize..end.0 as usize) - // Expression spans can include wrapping parenthesis. Remove them first. - .map_or(false, |s| s.trim_start_matches('(').starts_with(text)) - } - helper(cx.sess().source_map(), span, text) -} - /// Like `snippet_block`, but add braces if the expr is not an `ExprKind::Block`. /// Also takes an `Option<String>` which can be put inside the braces. pub fn expr_block<'a, T: LintContext>( |