mirror of
https://github.com/rust-lang/rust-analyzer
synced 2024-12-25 04:23:25 +00:00
Support extern types
This commit is contained in:
parent
ed09bd3cc6
commit
f3ac19e8cd
6 changed files with 16 additions and 591 deletions
4
Cargo.lock
generated
4
Cargo.lock
generated
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@ -1688,9 +1688,9 @@ dependencies = [
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[[package]]
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name = "ungrammar"
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version = "1.1.2"
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version = "1.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "bab6142ac77be714b1ea78faca6efaed5478c50724786b0fe80d8528d10692b3"
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checksum = "ca4d39065b45f658d33013f7cc93ee050708cd543f6e07dd15b4293fcf217e12"
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[[package]]
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name = "unicode-bidi"
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@ -557,6 +557,10 @@ impl Ctx {
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let statik = self.lower_static(&ast)?;
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statik.into()
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}
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ast::ExternItem::TypeAlias(ty) => {
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let id = self.lower_type_alias(&ty)?;
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id.into()
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}
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ast::ExternItem::MacroCall(_) => return None,
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};
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self.add_attrs(id.into(), attrs);
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@ -46,6 +46,7 @@ union U { to_be: bool, not_to_be: u8 }
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enum E { V }
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extern {
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type Ext;
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static EXT: u8;
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fn ext();
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}
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@ -65,6 +66,7 @@ extern {
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Baz: t v
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E: t
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EXT: v
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Ext: t
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U: t
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ext: v
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"#]],
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@ -1380,6 +1380,7 @@ pub enum ExternItem {
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Fn(Fn),
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MacroCall(MacroCall),
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Static(Static),
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TypeAlias(TypeAlias),
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}
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impl ast::AttrsOwner for ExternItem {}
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impl ast::NameOwner for ExternItem {}
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@ -3339,10 +3340,13 @@ impl From<MacroCall> for ExternItem {
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impl From<Static> for ExternItem {
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fn from(node: Static) -> ExternItem { ExternItem::Static(node) }
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}
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impl From<TypeAlias> for ExternItem {
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fn from(node: TypeAlias) -> ExternItem { ExternItem::TypeAlias(node) }
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}
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impl AstNode for ExternItem {
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fn can_cast(kind: SyntaxKind) -> bool {
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match kind {
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FN | MACRO_CALL | STATIC => true,
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FN | MACRO_CALL | STATIC | TYPE_ALIAS => true,
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_ => false,
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}
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}
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@ -3351,6 +3355,7 @@ impl AstNode for ExternItem {
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FN => ExternItem::Fn(Fn { syntax }),
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MACRO_CALL => ExternItem::MacroCall(MacroCall { syntax }),
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STATIC => ExternItem::Static(Static { syntax }),
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TYPE_ALIAS => ExternItem::TypeAlias(TypeAlias { syntax }),
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_ => return None,
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};
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Some(res)
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@ -3360,6 +3365,7 @@ impl AstNode for ExternItem {
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ExternItem::Fn(it) => &it.syntax,
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ExternItem::MacroCall(it) => &it.syntax,
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ExternItem::Static(it) => &it.syntax,
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ExternItem::TypeAlias(it) => &it.syntax,
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}
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}
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}
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@ -15,7 +15,7 @@ flate2 = "1.0"
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pico-args = "0.3.1"
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proc-macro2 = "1.0.8"
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quote = "1.0.2"
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ungrammar = "1.1.1"
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ungrammar = "1.1.3"
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walkdir = "2.3.1"
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write-json = "0.1.0"
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# Avoid adding more dependencies to this crate
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@ -1,587 +0,0 @@
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//*************************//
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// Names, Paths and Macros //
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//*************************//
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Name =
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'ident'
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NameRef =
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'ident' | 'int_number'
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Path =
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(qualifier:Path '::')? segment:PathSegment
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PathSegment =
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'crate' | 'self' | 'super'
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| '::' NameRef
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| NameRef GenericArgList?
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| NameRef ParamList RetType?
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| '<' PathType ('as' PathType)? '>'
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GenericArgList =
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'::'? '<' (GenericArg (',' GenericArg)* ','?)? '>'
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GenericArg =
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TypeArg
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| AssocTypeArg
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| LifetimeArg
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| ConstArg
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TypeArg =
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Type
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AssocTypeArg =
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NameRef (':' TypeBoundList | '=' Type)
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LifetimeArg =
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'lifetime'
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ConstArg =
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Expr
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MacroCall =
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Attr* Path '!' Name? TokenTree ';'?
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TokenTree =
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'(' ')'
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| '{' '}'
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| '[' ']'
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MacroItems =
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Item*
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MacroStmts =
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statements:Stmt*
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Expr?
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//*************************//
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// Items //
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//*************************//
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SourceFile =
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'shebang'?
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Attr*
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Item*
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Item =
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Const
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| Enum
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| ExternBlock
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| ExternCrate
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| Fn
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| Impl
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| MacroCall
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| Module
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| Static
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| Struct
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| Trait
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| TypeAlias
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| Union
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| Use
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Module =
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Attr* Visibility? 'mod' Name
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(ItemList | ';')
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ItemList =
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'{' Attr* Item* '}'
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ExternCrate =
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Attr* Visibility? 'extern' 'crate' (NameRef | 'self') Rename? ';'
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Rename =
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'as' (Name | '_')
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Use =
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Attr* Visibility? 'use' UseTree ';'
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UseTree =
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(Path? '::')? ('*' | UseTreeList )
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| Path Rename?
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UseTreeList =
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'{' (UseTree (',' UseTree)* ','?)? '}'
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Fn =
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Attr* Visibility?
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'default'? ('async' | 'const')? 'unsafe'? Abi?
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'fn' Name GenericParamList? ParamList RetType?
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WhereClause?
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(body:BlockExpr | ';')
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Abi =
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'extern' 'string'?
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ParamList =
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'('(
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SelfParam
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| (SelfParam ',')? (Param (',' Param)* ','?)?
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)')'
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SelfParam =
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Attr* (
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('&' 'lifetime'?)? 'mut'? 'self'
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| 'mut'? 'self' ':' Type
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)
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Param =
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Attr* (
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Pat (':' Type)
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| Type
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| '...'
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)
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RetType =
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'->' Type
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TypeAlias =
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Attr* Visibility? 'default'? 'type' Name GenericParamList? (':' TypeBoundList?)? WhereClause?
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'=' Type ';'
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Struct =
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Attr* Visibility? 'struct' Name GenericParamList? (
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WhereClause? (RecordFieldList | ';')
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| TupleFieldList WhereClause? ';'
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)
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RecordFieldList =
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'{' fields:(RecordField (',' RecordField)* ','?)? '}'
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RecordField =
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Attr* Visibility? Name ':' Type
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TupleFieldList =
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'(' fields:(TupleField (',' TupleField)* ','?)? ')'
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TupleField =
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Attr* Visibility? Type
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FieldList =
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RecordFieldList
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| TupleFieldList
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Enum =
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Attr* Visibility? 'enum' Name GenericParamList? WhereClause?
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VariantList
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VariantList =
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'{' (Variant (',' Variant)* ','?)? '}'
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Variant =
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Attr* Visibility? Name FieldList ('=' Expr)?
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Union =
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Attr* Visibility? 'union' Name GenericParamList? WhereClause?
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RecordFieldList
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AdtDef =
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Enum
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| Struct
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| Union
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Const =
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Attr* Visibility? 'default'? 'const' (Name | '_') ':' Type
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'=' body:Expr ';'
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Static =
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Attr* Visibility? 'static'? 'mut'? Name ':' Type
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'=' body:Expr ';'
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Trait =
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Attr* Visibility? 'unsafe'? 'auto'? 'trait' Name GenericParamList
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(':' TypeBoundList?)? WhereClause
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AssocItemList
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AssocItemList =
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'{' Attr* AssocItem* '}'
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AssocItem =
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Const
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| Fn
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| MacroCall
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| TypeAlias
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Impl =
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Attr* Visibility?
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'default'? 'unsafe'? 'impl' 'const'? GenericParamList?
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('!'? target_trait:Type 'for')? target_type:Type
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WhereClause?
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AssocItemList
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ExternBlock =
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Attr* Abi ExternItemList
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ExternItemList =
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'{' Attr* ExternItem* '}'
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ExternItem =
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Fn | Static | MacroCall
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GenericParamList =
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'<' (GenericParam (',' GenericParam)* ','?)? '>'
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GenericParam =
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ConstParam
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| LifetimeParam
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| TypeParam
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TypeParam =
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Attr* Name (':' TypeBoundList?)?
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('=' default_type:Type)?
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ConstParam =
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Attr* 'const' Name ':' Type
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('=' default_val:Expr)?
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LifetimeParam =
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Attr* 'lifetime' (':' TypeBoundList?)?
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WhereClause =
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'where' predicates:(WherePred (',' WherePred)* ','?)
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WherePred =
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('for' GenericParamList)? ('lifetime' | Type) ':' TypeBoundList
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Visibility =
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'pub' ('('
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'super'
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| 'self'
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| 'crate'
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| 'in' Path
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')')?
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Attr =
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'#' '!'? '[' Path ('=' Literal | TokenTree)? ']'
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//****************************//
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// Statements and Expressions //
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//****************************//
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Stmt =
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ExprStmt
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| Item
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| LetStmt
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LetStmt =
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Attr* 'let' Pat (':' Type)?
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'=' initializer:Expr ';'
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ExprStmt =
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Attr* Expr ';'?
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Expr =
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ArrayExpr
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| AwaitExpr
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| BinExpr
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| BlockExpr
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| BoxExpr
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| BreakExpr
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| CallExpr
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| CastExpr
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| ClosureExpr
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| ContinueExpr
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| EffectExpr
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| FieldExpr
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| ForExpr
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| IfExpr
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| IndexExpr
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| Literal
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| LoopExpr
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| MacroCall
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| MatchExpr
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| MethodCallExpr
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| ParenExpr
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| PathExpr
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| PrefixExpr
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| RangeExpr
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| RecordExpr
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| RefExpr
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| ReturnExpr
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| TryExpr
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| TupleExpr
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| WhileExpr
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Literal =
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Attr* value:(
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'int_number' | 'float_number'
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| 'string' | 'raw_string'
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| 'byte_string' | 'raw_byte_string'
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| 'true' | 'false'
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| 'char' | 'byte'
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)
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PathExpr =
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Attr* Path
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BlockExpr =
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'{'
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Attr*
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statements:Stmt*
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Expr?
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'}'
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RefExpr =
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Attr* '&' ('raw' |'mut' | 'const') Expr
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TryExpr =
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Attr* Expr '?'
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EffectExpr =
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Attr* Label? ('try' | 'unsafe' | 'async') BlockExpr
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|
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PrefixExpr =
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Attr* op:('-' | '!' | '*') Expr
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|
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BinExpr =
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Attr*
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lhs:Expr
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op:(
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'||' | '&&'
|
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| '==' | '!=' | '<=' | '>=' | '<' | '>'
|
||||
| '+' | '*' | '-' | '/' | '%' | '<<' | '>>' | '^' | '|' | '&'
|
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| '=' | '+=' | '/=' | '*=' | '%=' | '>>=' | '<<=' | '-=' | '|=' | '&=' | '^='
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)
|
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rhs:Expr
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|
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CastExpr =
|
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Attr* Expr 'as' Type
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|
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ParenExpr =
|
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Attr* '(' Attr* Expr ')'
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|
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ArrayExpr =
|
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Attr* '[' Attr* (
|
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(Expr (',' Expr)* ','?)?
|
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| Expr ';' Expr
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) ']'
|
||||
|
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IndexExpr =
|
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Attr* base:Expr '[' index:Expr ']'
|
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|
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TupleExpr =
|
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Attr* '(' Attr* fields:(Expr (',' Expr)* ','?)? ')'
|
||||
|
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RecordExpr =
|
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Path RecordExprFieldList
|
||||
|
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RecordExprFieldList =
|
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'{'
|
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Attr*
|
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fields:(RecordExprField (',' RecordExprField)* ','?)
|
||||
('..' spread:Expr)?
|
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'}'
|
||||
|
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RecordExprField =
|
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Attr* NameRef (':' Expr)?
|
||||
|
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CallExpr =
|
||||
Attr* Expr ArgList
|
||||
|
||||
ArgList =
|
||||
'(' args:(Expr (',' Expr)* ','?)? ')'
|
||||
|
||||
MethodCallExpr =
|
||||
Attr* Expr '.' NameRef GenericArgList? ArgList
|
||||
|
||||
FieldExpr =
|
||||
Attr* Expr '.' NameRef
|
||||
|
||||
ClosureExpr =
|
||||
Attr* 'static'? 'async'? 'move'? ParamList RetType?
|
||||
body:Expr
|
||||
|
||||
IfExpr =
|
||||
Attr* 'if' Condition then_branch:BlockExpr
|
||||
('else' else_branch:(IfExpr | BlockExpr))?
|
||||
|
||||
Condition =
|
||||
'let' Pat '=' Expr
|
||||
| Expr
|
||||
|
||||
LoopExpr =
|
||||
Attr* Label? 'loop'
|
||||
loop_body:BlockExpr
|
||||
|
||||
ForExpr =
|
||||
Attr* Label? 'for' Pat 'in' iterable:Expr
|
||||
loop_body:BlockExpr
|
||||
|
||||
WhileExpr =
|
||||
Attr* Label? 'while' Condition
|
||||
loop_body:BlockExpr
|
||||
|
||||
Label =
|
||||
'lifetime'
|
||||
|
||||
BreakExpr =
|
||||
Attr* 'break' 'lifetime'? Expr?
|
||||
|
||||
ContinueExpr =
|
||||
Attr* 'continue' 'lifetime'?
|
||||
|
||||
RangeExpr =
|
||||
Attr* start:Expr? op:('..' | '..=') end:Expr?
|
||||
|
||||
MatchExpr =
|
||||
Attr* 'match' Expr MatchArmList
|
||||
|
||||
MatchArmList =
|
||||
'{'
|
||||
Attr*
|
||||
arms:MatchArm*
|
||||
'}'
|
||||
|
||||
MatchArm =
|
||||
Attr* Pat guard:MatchGuard? '=>' Expr ','?
|
||||
|
||||
MatchGuard =
|
||||
'if' Expr
|
||||
|
||||
ReturnExpr =
|
||||
Attr* 'return' Expr?
|
||||
|
||||
AwaitExpr =
|
||||
Attr* Expr '.' 'await'
|
||||
|
||||
BoxExpr =
|
||||
Attr* 'box' Expr
|
||||
|
||||
//*************************//
|
||||
// Types //
|
||||
//*************************//
|
||||
|
||||
Type =
|
||||
ArrayType
|
||||
| DynTraitType
|
||||
| FnPointerType
|
||||
| ForType
|
||||
| ImplTraitType
|
||||
| InferType
|
||||
| NeverType
|
||||
| ParenType
|
||||
| PathType
|
||||
| PointerType
|
||||
| ReferenceType
|
||||
| SliceType
|
||||
| TupleType
|
||||
|
||||
ParenType =
|
||||
'(' Type ')'
|
||||
|
||||
NeverType =
|
||||
'!'
|
||||
|
||||
PathType =
|
||||
Path
|
||||
|
||||
TupleType =
|
||||
'(' fields:(Type (',' Type)* ','?)? ')'
|
||||
|
||||
PointerType =
|
||||
'*' ('const' | 'mut') Type
|
||||
|
||||
ReferenceType =
|
||||
'&' 'lifetime'? 'mut'? Type
|
||||
|
||||
ArrayType =
|
||||
'[' Type ';' Expr ']'
|
||||
|
||||
SliceType =
|
||||
'[' Type ']'
|
||||
|
||||
InferType =
|
||||
'_'
|
||||
|
||||
FnPointerType =
|
||||
'const'? 'async'? 'unsafe'? Abi? 'fn' ParamList RetType?
|
||||
|
||||
ForType =
|
||||
'for' GenericParamList Type
|
||||
|
||||
ImplTraitType =
|
||||
'impl' TypeBoundList
|
||||
|
||||
DynTraitType =
|
||||
'dyn' TypeBoundList
|
||||
|
||||
TypeBoundList =
|
||||
bounds:(TypeBound ('+' TypeBound)* '+'?)
|
||||
|
||||
TypeBound =
|
||||
'lifetime'
|
||||
| '?'? Type
|
||||
|
||||
//************************//
|
||||
// Patterns //
|
||||
//************************//
|
||||
|
||||
Pat =
|
||||
IdentPat
|
||||
| BoxPat
|
||||
| RestPat
|
||||
| LiteralPat
|
||||
| MacroPat
|
||||
| OrPat
|
||||
| ParenPat
|
||||
| PathPat
|
||||
| WildcardPat
|
||||
| RangePat
|
||||
| RecordPat
|
||||
| RefPat
|
||||
| SlicePat
|
||||
| TuplePat
|
||||
| TupleStructPat
|
||||
|
||||
LiteralPat =
|
||||
Literal
|
||||
|
||||
IdentPat =
|
||||
Attr* 'ref'? 'mut'? Name ('@' Pat)?
|
||||
|
||||
WildcardPat =
|
||||
'_'
|
||||
|
||||
RangePat =
|
||||
start:Pat op:('..' | '..=') end:Pat
|
||||
|
||||
RefPat =
|
||||
'&' 'mut'? Pat
|
||||
|
||||
RecordPat =
|
||||
Path RecordPatFieldList
|
||||
|
||||
RecordPatFieldList =
|
||||
'{'
|
||||
fields:(RecordPatField (',' RecordPatField)* ','?)
|
||||
'..'?
|
||||
'}'
|
||||
|
||||
RecordPatField =
|
||||
Attr* (NameRef ':')? Pat
|
||||
|
||||
TupleStructPat =
|
||||
Path '(' fields:(Pat (',' Pat)* ','?)? ')'
|
||||
|
||||
TuplePat =
|
||||
'(' fields:(Pat (',' Pat)* ','?)? ')'
|
||||
|
||||
ParenPat =
|
||||
'(' Pat ')'
|
||||
|
||||
SlicePat =
|
||||
'[' (Pat (',' Pat)* ','?)? ']'
|
||||
|
||||
PathPat =
|
||||
Path
|
||||
|
||||
OrPat =
|
||||
(Pat ('|' Pat)* '|'?)
|
||||
|
||||
BoxPat =
|
||||
'box' Pat
|
||||
|
||||
RestPat =
|
||||
'..'
|
||||
|
||||
MacroPat =
|
||||
MacroCall
|
Loading…
Reference in a new issue