mirror of https://github.com/rust-lang/rust.git
use `create_snapshot_for_diagnostic` instead of `clone`
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parent
7092d42c04
commit
84a13a28b7
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@ -123,7 +123,7 @@ impl<'a> ParserAnyMacro<'a> {
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is_trailing_mac,
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is_trailing_mac,
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is_local,
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is_local,
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} = *self;
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} = *self;
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let snapshot = &mut parser.clone();
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let snapshot = &mut parser.create_snapshot_for_diagnostic();
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let fragment = match parse_ast_fragment(parser, kind) {
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let fragment = match parse_ast_fragment(parser, kind) {
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Ok(f) => f,
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Ok(f) => f,
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Err(err) => {
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Err(err) => {
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@ -336,7 +336,7 @@ struct InInTypo {
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// SnapshotParser is used to create a snapshot of the parser
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// SnapshotParser is used to create a snapshot of the parser
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// without causing duplicate errors being emitted when the `Parser`
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// without causing duplicate errors being emitted when the `Parser`
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// is dropped.
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// is dropped.
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pub(super) struct SnapshotParser<'a> {
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pub struct SnapshotParser<'a> {
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parser: Parser<'a>,
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parser: Parser<'a>,
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unclosed_delims: Vec<UnmatchedBrace>,
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unclosed_delims: Vec<UnmatchedBrace>,
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}
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}
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@ -392,7 +392,7 @@ impl<'a> Parser<'a> {
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}
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}
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/// Create a snapshot of the `Parser`.
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/// Create a snapshot of the `Parser`.
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pub(super) fn create_snapshot_for_diagnostic(&self) -> SnapshotParser<'a> {
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pub fn create_snapshot_for_diagnostic(&self) -> SnapshotParser<'a> {
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let mut snapshot = self.clone();
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let mut snapshot = self.clone();
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let unclosed_delims = self.unclosed_delims.clone();
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let unclosed_delims = self.unclosed_delims.clone();
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// Clear `unclosed_delims` in snapshot to avoid
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// Clear `unclosed_delims` in snapshot to avoid
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