mirror of
https://github.com/rust-lang/rust-analyzer
synced 2024-12-25 12:33:33 +00:00
Remove redundant Option
from eager macro fns
This commit is contained in:
parent
df53403863
commit
e5ed43b1dc
2 changed files with 24 additions and 22 deletions
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@ -42,7 +42,7 @@ macro_rules! register_builtin {
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db: &dyn AstDatabase,
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db: &dyn AstDatabase,
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arg_id: MacroCallId,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let expander = match *self {
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let expander = match *self {
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$( EagerExpander::$e_kind => $e_expand, )*
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$( EagerExpander::$e_kind => $e_expand, )*
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};
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};
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@ -60,7 +60,7 @@ macro_rules! register_builtin {
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};
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};
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}
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}
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#[derive(Debug)]
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#[derive(Debug, Default)]
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pub struct ExpandedEager {
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pub struct ExpandedEager {
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pub(crate) subtree: tt::Subtree,
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pub(crate) subtree: tt::Subtree,
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/// The included file ID of the include macro.
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/// The included file ID of the include macro.
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@ -362,7 +362,7 @@ fn compile_error_expand(
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_db: &dyn AstDatabase,
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_db: &dyn AstDatabase,
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_id: MacroCallId,
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_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let err = match &*tt.token_trees {
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let err = match &*tt.token_trees {
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[tt::TokenTree::Leaf(tt::Leaf::Literal(it))] => {
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[tt::TokenTree::Leaf(tt::Leaf::Literal(it))] => {
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let text = it.text.as_str();
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let text = it.text.as_str();
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@ -376,14 +376,14 @@ fn compile_error_expand(
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_ => mbe::ExpandError::BindingError("`compile_error!` argument must be a string".into()),
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_ => mbe::ExpandError::BindingError("`compile_error!` argument must be a string".into()),
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};
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};
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ExpandResult { value: Some(ExpandedEager::new(quote! {})), err: Some(err) }
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ExpandResult { value: ExpandedEager::new(quote! {}), err: Some(err) }
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}
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}
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fn concat_expand(
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fn concat_expand(
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_db: &dyn AstDatabase,
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_db: &dyn AstDatabase,
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_arg_id: MacroCallId,
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_arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let mut err = None;
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let mut err = None;
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let mut text = String::new();
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let mut text = String::new();
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for (i, mut t) in tt.token_trees.iter().enumerate() {
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for (i, mut t) in tt.token_trees.iter().enumerate() {
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@ -418,14 +418,14 @@ fn concat_expand(
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}
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}
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}
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}
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}
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}
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ExpandResult { value: Some(ExpandedEager::new(quote!(#text))), err }
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ExpandResult { value: ExpandedEager::new(quote!(#text)), err }
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}
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}
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fn concat_idents_expand(
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fn concat_idents_expand(
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_db: &dyn AstDatabase,
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_db: &dyn AstDatabase,
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_arg_id: MacroCallId,
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_arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let mut err = None;
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let mut err = None;
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let mut ident = String::new();
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let mut ident = String::new();
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for (i, t) in tt.token_trees.iter().enumerate() {
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for (i, t) in tt.token_trees.iter().enumerate() {
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@ -440,7 +440,7 @@ fn concat_idents_expand(
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}
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}
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}
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}
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let ident = tt::Ident { text: ident.into(), id: tt::TokenId::unspecified() };
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let ident = tt::Ident { text: ident.into(), id: tt::TokenId::unspecified() };
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ExpandResult { value: Some(ExpandedEager::new(quote!(#ident))), err }
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ExpandResult { value: ExpandedEager::new(quote!(#ident)), err }
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}
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}
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fn relative_file(
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fn relative_file(
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@ -476,7 +476,7 @@ fn include_expand(
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db: &dyn AstDatabase,
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db: &dyn AstDatabase,
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arg_id: MacroCallId,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let res = (|| {
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let res = (|| {
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let path = parse_string(tt)?;
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let path = parse_string(tt)?;
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let file_id = relative_file(db, arg_id, &path, false)?;
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let file_id = relative_file(db, arg_id, &path, false)?;
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@ -488,7 +488,7 @@ fn include_expand(
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match res {
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match res {
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Ok((subtree, file_id)) => {
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Ok((subtree, file_id)) => {
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ExpandResult::ok(Some(ExpandedEager { subtree, included_file: Some(file_id) }))
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ExpandResult::ok(ExpandedEager { subtree, included_file: Some(file_id) })
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}
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}
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Err(e) => ExpandResult::only_err(e),
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Err(e) => ExpandResult::only_err(e),
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}
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}
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@ -498,7 +498,7 @@ fn include_bytes_expand(
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_db: &dyn AstDatabase,
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_db: &dyn AstDatabase,
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_arg_id: MacroCallId,
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_arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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if let Err(e) = parse_string(tt) {
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if let Err(e) = parse_string(tt) {
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return ExpandResult::only_err(e);
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return ExpandResult::only_err(e);
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}
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}
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@ -511,14 +511,14 @@ fn include_bytes_expand(
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id: tt::TokenId::unspecified(),
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id: tt::TokenId::unspecified(),
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}))],
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}))],
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};
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};
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ExpandResult::ok(Some(ExpandedEager::new(res)))
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ExpandResult::ok(ExpandedEager::new(res))
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}
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}
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fn include_str_expand(
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fn include_str_expand(
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db: &dyn AstDatabase,
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db: &dyn AstDatabase,
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arg_id: MacroCallId,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let path = match parse_string(tt) {
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let path = match parse_string(tt) {
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Ok(it) => it,
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Ok(it) => it,
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Err(e) => return ExpandResult::only_err(e),
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Err(e) => return ExpandResult::only_err(e),
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@ -531,14 +531,14 @@ fn include_str_expand(
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let file_id = match relative_file(db, arg_id, &path, true) {
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let file_id = match relative_file(db, arg_id, &path, true) {
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Ok(file_id) => file_id,
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Ok(file_id) => file_id,
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Err(_) => {
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Err(_) => {
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return ExpandResult::ok(Some(ExpandedEager::new(quote!(""))));
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return ExpandResult::ok(ExpandedEager::new(quote!("")));
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}
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}
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};
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};
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let text = db.file_text(file_id);
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let text = db.file_text(file_id);
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let text = &*text;
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let text = &*text;
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ExpandResult::ok(Some(ExpandedEager::new(quote!(#text))))
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ExpandResult::ok(ExpandedEager::new(quote!(#text)))
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}
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}
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fn get_env_inner(db: &dyn AstDatabase, arg_id: MacroCallId, key: &str) -> Option<String> {
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fn get_env_inner(db: &dyn AstDatabase, arg_id: MacroCallId, key: &str) -> Option<String> {
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@ -550,7 +550,7 @@ fn env_expand(
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db: &dyn AstDatabase,
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db: &dyn AstDatabase,
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arg_id: MacroCallId,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let key = match parse_string(tt) {
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let key = match parse_string(tt) {
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Ok(it) => it,
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Ok(it) => it,
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Err(e) => return ExpandResult::only_err(e),
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Err(e) => return ExpandResult::only_err(e),
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@ -574,14 +574,14 @@ fn env_expand(
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});
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});
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let expanded = quote! { #s };
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let expanded = quote! { #s };
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ExpandResult { value: Some(ExpandedEager::new(expanded)), err }
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ExpandResult { value: ExpandedEager::new(expanded), err }
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}
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}
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fn option_env_expand(
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fn option_env_expand(
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db: &dyn AstDatabase,
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db: &dyn AstDatabase,
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arg_id: MacroCallId,
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arg_id: MacroCallId,
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tt: &tt::Subtree,
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tt: &tt::Subtree,
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) -> ExpandResult<Option<ExpandedEager>> {
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) -> ExpandResult<ExpandedEager> {
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let key = match parse_string(tt) {
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let key = match parse_string(tt) {
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Ok(it) => it,
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Ok(it) => it,
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Err(e) => return ExpandResult::only_err(e),
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Err(e) => return ExpandResult::only_err(e),
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@ -592,5 +592,5 @@ fn option_env_expand(
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Some(s) => quote! { std::option::Some(#s) },
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Some(s) => quote! { std::option::Some(#s) },
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};
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};
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ExpandResult::ok(Some(ExpandedEager::new(expanded)))
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ExpandResult::ok(ExpandedEager::new(expanded))
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}
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}
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@ -145,14 +145,16 @@ pub fn expand_eager_macro(
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if let MacroDefKind::BuiltInEager(eager, _) = def.kind {
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if let MacroDefKind::BuiltInEager(eager, _) = def.kind {
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let res = eager.expand(db, arg_id, &subtree);
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let res = eager.expand(db, arg_id, &subtree);
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if let Some(err) = res.err {
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diagnostic_sink(err);
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}
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let expanded = diagnostic_sink.expand_result_option(res)?;
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let loc = MacroCallLoc {
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let loc = MacroCallLoc {
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def,
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def,
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krate,
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krate,
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eager: Some(EagerCallInfo {
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eager: Some(EagerCallInfo {
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arg_or_expansion: Arc::new(expanded.subtree),
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arg_or_expansion: Arc::new(res.value.subtree),
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included_file: expanded.included_file,
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included_file: res.value.included_file,
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}),
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}),
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kind: MacroCallKind::FnLike { ast_id: call_id, expand_to },
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kind: MacroCallKind::FnLike { ast_id: call_id, expand_to },
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};
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};
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