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Expanded HIR `--unpretty hir,identified` to include HIR local id. 

Having the HIR local id is useful for cases like understanding the
ReScope identifiers, which are now derived from the HIR local id, and
thus one can map an ReScope back to the HIR node, once one knows what
those local ids are.
This commit is contained in:
Felix S. Klock II 2017-11-24 13:44:36 +01:00
parent 93c4ffe72f
commit 171c2aeb25
1 changed files with 8 additions and 4 deletions
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12
src/librustc_driver/pretty.rs
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@ -423,7 +423,8 @@ impl<'hir> pprust_hir::PpAnn for IdentifiedAnnotation<'hir> {
pprust_hir::NodeName(_) => Ok(()),
pprust_hir::NodeItem(item) => {
s.s.space()?;
s.synth_comment(item.id.to_string())
s.synth_comment(format!("node_id: {} hir local_id: {}",
item.id, item.hir_id.local_id.0))
}
pprust_hir::NodeSubItem(id) => {
s.s.space()?;
@ -431,16 +432,19 @@ impl<'hir> pprust_hir::PpAnn for IdentifiedAnnotation<'hir> {
}
pprust_hir::NodeBlock(blk) => {
s.s.space()?;
s.synth_comment(format!("block {}", blk.id))
s.synth_comment(format!("block node_id: {} hir local_id: {}",
blk.id, blk.hir_id.local_id.0))
}
pprust_hir::NodeExpr(expr) => {
s.s.space()?;
s.synth_comment(expr.id.to_string())?;
s.synth_comment(format!("node_id: {} hir local_id: {}",
expr.id, expr.hir_id.local_id.0))?;
s.pclose()
}
pprust_hir::NodePat(pat) => {
s.s.space()?;
s.synth_comment(format!("pat {}", pat.id))
s.synth_comment(format!("pat node_id: {} hir local_id: {}",
pat.id, pat.hir_id.local_id.0))
}
}
}