Merge pull request #104 from j-zeppenfeld/jz/devel/hover

Implement language server textDocument/hover

Author: kraigher

vhdl_lang/src/analysis/root.rs

@@ -317,6 +317,12 @@ impl DesignRoot {
         ItemAtCursor::search(self, source, cursor)
     }
 
+    /// Search for the declaration at decl_pos and format it
+    pub fn format_declaration(&self, decl_pos: &SrcPos) -> Option<String> {
+        FormatDeclaration::search(self, decl_pos)
+    }
+
+    /// Search for all references to the declaration at decl_pos
     pub fn find_all_references(&self, decl_pos: &SrcPos) -> Vec<SrcPos> {
         FindAllReferences::search(self, decl_pos)
     }

vhdl_lang/src/ast.rs

@@ -515,6 +515,13 @@ pub enum ObjectClass {
     SharedVariable,
 }
 
+#[derive(PartialEq, Debug, Clone, Copy)]
+pub enum InterfaceListType {
+    Port,
+    Generic,
+    Parameter,
+}
+
 #[derive(PartialEq, Debug, Clone)]
 pub struct ObjectDeclaration {
     pub class: ObjectClass,
@@ -583,6 +590,7 @@ pub struct InterfaceFileDeclaration {
 /// LRM 6.5.2 Interface object declarations
 #[derive(PartialEq, Debug, Clone)]
 pub struct InterfaceObjectDeclaration {
+    pub list_type: InterfaceListType,
     pub class: ObjectClass,
     pub ident: Ident,
     pub mode: Mode,
@@ -1105,6 +1113,7 @@ pub struct EntityDeclaration {
     pub decl: Vec<Declaration>,
     pub statements: Vec<LabeledConcurrentStatement>,
 }
+
 /// LRM 3.3 Architecture bodies
 #[derive(PartialEq, Debug, Clone)]
 pub struct ArchitectureBody {