diff options
Diffstat (limited to 'src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs')
| -rw-r--r-- | src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs | 66 |
1 files changed, 45 insertions, 21 deletions
diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs index 5522bdf3b..9f3fa73d4 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs @@ -9,7 +9,9 @@ use syntax::{ SmolStr, }; -use crate::{db::AstDatabase, name, quote, ExpandError, ExpandResult, MacroCallId, MacroCallLoc}; +use crate::{ + db::AstDatabase, name, quote, tt, ExpandError, ExpandResult, MacroCallId, MacroCallLoc, +}; macro_rules! register_builtin { ( LAZY: $(($name:ident, $kind: ident) => $expand:ident),* , EAGER: $(($e_name:ident, $e_kind: ident) => $e_expand:ident),* ) => { @@ -61,7 +63,7 @@ macro_rules! register_builtin { }; } -#[derive(Debug, Default)] +#[derive(Debug)] pub struct ExpandedEager { pub(crate) subtree: tt::Subtree, /// The included file ID of the include macro. @@ -116,7 +118,7 @@ register_builtin! { } const DOLLAR_CRATE: tt::Ident = - tt::Ident { text: SmolStr::new_inline("$crate"), id: tt::TokenId::unspecified() }; + tt::Ident { text: SmolStr::new_inline("$crate"), span: tt::TokenId::unspecified() }; fn module_path_expand( _db: &dyn AstDatabase, @@ -162,7 +164,7 @@ fn stringify_expand( _id: MacroCallId, tt: &tt::Subtree, ) -> ExpandResult<tt::Subtree> { - let pretty = tt::pretty(&tt.token_trees); + let pretty = ::tt::pretty(&tt.token_trees); let expanded = quote! { #pretty @@ -194,11 +196,11 @@ fn assert_expand( let expanded = match &*args { [cond, panic_args @ ..] => { let comma = tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::unspecified(), token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { char: ',', spacing: tt::Spacing::Alone, - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }; let cond = cond.clone(); @@ -247,7 +249,10 @@ fn format_args_expand( let mut args = parse_exprs_with_sep(tt, ','); if args.is_empty() { - return ExpandResult::only_err(mbe::ExpandError::NoMatchingRule.into()); + return ExpandResult::with_err( + tt::Subtree::empty(), + mbe::ExpandError::NoMatchingRule.into(), + ); } for arg in &mut args { // Remove `key =`. @@ -282,7 +287,7 @@ fn asm_expand( for tt in tt.token_trees.chunks(2) { match tt { [tt::TokenTree::Leaf(tt::Leaf::Literal(lit))] - | [tt::TokenTree::Leaf(tt::Leaf::Literal(lit)), tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { char: ',', id: _, spacing: _ }))] => + | [tt::TokenTree::Leaf(tt::Leaf::Literal(lit)), tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { char: ',', span: _, spacing: _ }))] => { let krate = DOLLAR_CRATE.clone(); literals.push(quote!(#krate::format_args!(#lit);)); @@ -400,7 +405,7 @@ fn concat_expand( // FIXME: hack on top of a hack: `$e:expr` captures get surrounded in parentheses // to ensure the right parsing order, so skip the parentheses here. Ideally we'd // implement rustc's model. cc https://github.com/rust-lang/rust-analyzer/pull/10623 - if let tt::TokenTree::Subtree(tt::Subtree { delimiter: Some(delim), token_trees }) = t { + if let tt::TokenTree::Subtree(tt::Subtree { delimiter: delim, token_trees }) = t { if let [tt] = &**token_trees { if delim.kind == tt::DelimiterKind::Parenthesis { t = tt; @@ -459,9 +464,7 @@ fn concat_bytes_expand( } } tt::TokenTree::Leaf(tt::Leaf::Punct(punct)) if i % 2 == 1 && punct.char == ',' => (), - tt::TokenTree::Subtree(tree) - if tree.delimiter_kind() == Some(tt::DelimiterKind::Bracket) => - { + tt::TokenTree::Subtree(tree) if tree.delimiter.kind == tt::DelimiterKind::Bracket => { if let Err(e) = concat_bytes_expand_subtree(tree, &mut bytes) { err.get_or_insert(e); break; @@ -473,7 +476,7 @@ fn concat_bytes_expand( } } } - let ident = tt::Ident { text: bytes.join(", ").into(), id: tt::TokenId::unspecified() }; + let ident = tt::Ident { text: bytes.join(", ").into(), span: tt::TokenId::unspecified() }; ExpandResult { value: ExpandedEager::new(quote!([#ident])), err } } @@ -521,7 +524,7 @@ fn concat_idents_expand( } } } - let ident = tt::Ident { text: ident.into(), id: tt::TokenId::unspecified() }; + let ident = tt::Ident { text: ident.into(), span: tt::TokenId::unspecified() }; ExpandResult { value: ExpandedEager::new(quote!(#ident)), err } } @@ -572,7 +575,10 @@ fn include_expand( Ok((subtree, file_id)) => { ExpandResult::ok(ExpandedEager { subtree, included_file: Some(file_id) }) } - Err(e) => ExpandResult::only_err(e), + Err(e) => ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ), } } @@ -582,15 +588,18 @@ fn include_bytes_expand( tt: &tt::Subtree, ) -> ExpandResult<ExpandedEager> { if let Err(e) = parse_string(tt) { - return ExpandResult::only_err(e); + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ); } // FIXME: actually read the file here if the user asked for macro expansion let res = tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::unspecified(), token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Literal(tt::Literal { text: r#"b"""#.into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }; ExpandResult::ok(ExpandedEager::new(res)) @@ -603,7 +612,12 @@ fn include_str_expand( ) -> ExpandResult<ExpandedEager> { let path = match parse_string(tt) { Ok(it) => it, - Err(e) => return ExpandResult::only_err(e), + Err(e) => { + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ) + } }; // FIXME: we're not able to read excluded files (which is most of them because @@ -635,7 +649,12 @@ fn env_expand( ) -> ExpandResult<ExpandedEager> { let key = match parse_string(tt) { Ok(it) => it, - Err(e) => return ExpandResult::only_err(e), + Err(e) => { + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ) + } }; let mut err = None; @@ -666,7 +685,12 @@ fn option_env_expand( ) -> ExpandResult<ExpandedEager> { let key = match parse_string(tt) { Ok(it) => it, - Err(e) => return ExpandResult::only_err(e), + Err(e) => { + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ) + } }; let expanded = match get_env_inner(db, arg_id, &key) { |