Merge branch 'add_vhdl' of https://github.com/Digital-EDA/digital-lsp-server

.gitignore

@@ -11,3 +11,5 @@ log_files
 test.txt
 
 build.bat
+
+.DS_Store

Cargo.lock

@@ -1203,18 +1203,18 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "serde"
-version = "1.0.179"
+version = "1.0.193"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a5bf42b8d227d4abf38a1ddb08602e229108a517cd4e5bb28f9c7eaafdce5c0"
+checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.179"
+version = "1.0.193"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "741e124f5485c7e60c03b043f79f320bff3527f4bbf12cf3831750dc46a0ec2c"
+checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1223,9 +1223,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.104"
+version = "1.0.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "076066c5f1078eac5b722a31827a8832fe108bed65dfa75e233c89f8206e976c"
+checksum = "cb0652c533506ad7a2e353cce269330d6afd8bdfb6d75e0ace5b35aacbd7b9e9"
 dependencies = [
  "itoa",
  "ryu",

rust_hdl

@@ -1 +1 @@
-Subproject commit f881ca161ac60accdf65295851ded9abf413da75
+Subproject commit d3f01fe8ec8d6d48031e3eaf043a65244297ca9c

src/completion/vhdl.rs

@@ -0,0 +1,234 @@
+use std::{path::PathBuf, str::FromStr};
+
+use log::info;
+use tower_lsp::lsp_types::*;
+use vhdl_lang::{ast::{Designator, ObjectClass}, kind_str, AnyEntKind, Design, EntRef, InterfaceEnt, Overloaded};
+use crate::{server::LSPServer, utils::{from_lsp_pos, to_escape_path}};
+
+/// Called when the client requests a completion.
+/// This function looks in the source code to find suitable options and then returns them
+pub fn request_completion(server: &LSPServer, params: &CompletionParams) -> Option<CompletionList> {
+    let doc = &params.text_document_position;
+    // let pos = doc.position;
+
+    let file_id = server.srcs.get_id(&doc.text_document.uri).to_owned();
+    server.srcs.wait_parse_ready(file_id, false);
+    let projects = server.srcs.design_file_map.read().ok()?;
+
+    let path = match PathBuf::from_str(&doc.text_document.uri.path()) {
+        Ok(path) => path,
+        Err(error) => {
+            info!("error happen in <goto_include_definition>: {:?}", error);
+            return None;
+        }
+    };
+    let escape_path = to_escape_path(&path);
+    let escape_path_string = escape_path.to_str().unwrap_or("");
+    if escape_path_string.len() == 0 {
+        info!("error happen in [vhdl_parser_pipeline], escape_path_string is empty");
+        return None;
+    }
+    let project = match projects.get(escape_path_string) {
+        Some(project) => project,
+        None => return None
+    };
+
+    let source = project.get_source(&escape_path)?;
+
+    let binding = escape_path;
+    let file = binding.as_path();
+    // 1) get source position, and source file
+    let Some(source) = project.get_source(file) else {
+        // Do not enable completions for files that are not part of the project
+        return Some(CompletionList {
+            ..Default::default()
+        });
+    };
+    let cursor = from_lsp_pos(params.text_document_position.position);
+    // 2) Optimization chance: go to last recognizable token before the cursor. For example:
+    //    - Any primary unit (e.g. entity declaration, package declaration, ...)
+    //      => keyword `entity`, `package`, ...
+    //    - Any secondary unit (e.g. package body, architecture)
+    //      => keyword `architecture`, ...
+
+    // 3) Run the parser until the point of the cursor. Then exit with possible completions
+    let options = project
+        .list_completion_options(&source, cursor)
+        .into_iter()
+        .map(|item| completion_item_to_lsp_item(server, item))
+        .collect();
+
+    Some(CompletionList {
+        items: options,
+        is_incomplete: true,
+    })
+}
+
+fn completion_item_to_lsp_item(
+    server: &LSPServer,
+    item: vhdl_lang::CompletionItem,
+) -> CompletionItem {
+    match item {
+        vhdl_lang::CompletionItem::Simple(ent) => entity_to_completion_item(ent),
+        vhdl_lang::CompletionItem::Work => CompletionItem {
+            label: "work".to_string(),
+            detail: Some("work library".to_string()),
+            kind: Some(CompletionItemKind::MODULE),
+            insert_text: Some("work".to_string()),
+            ..Default::default()
+        },
+        vhdl_lang::CompletionItem::Formal(ent) => {
+            let mut item = entity_to_completion_item(ent);
+            // TODO: Confirm vscode support
+            // if server.client_supports_snippets() {
+                item.insert_text_format = Some(InsertTextFormat::SNIPPET);
+                item.insert_text = Some(format!("{} => $1,", item.insert_text.unwrap()));
+            // }
+            item
+        }
+        vhdl_lang::CompletionItem::Overloaded(desi, count) => CompletionItem {
+            label: desi.to_string(),
+            detail: Some(format!("+{count} overloaded")),
+            kind: match desi {
+                Designator::Identifier(_) => Some(CompletionItemKind::FUNCTION),
+                Designator::OperatorSymbol(_) => Some(CompletionItemKind::OPERATOR),
+                _ => None,
+            },
+            insert_text: Some(desi.to_string()),
+            ..Default::default()
+        },
+        vhdl_lang::CompletionItem::Keyword(kind) => CompletionItem {
+            label: kind_str(kind).to_string(),
+            detail: Some(kind_str(kind).to_string()),
+            insert_text: Some(kind_str(kind).to_string()),
+            kind: Some(CompletionItemKind::KEYWORD),
+            ..Default::default()
+        },
+        vhdl_lang::CompletionItem::Instantiation(ent, architectures) => {
+            let work_name = "work";
+
+            let library_names = if let Some(lib_name) = ent.library_name() {
+                vec![work_name.to_string(), lib_name.name().to_string()]
+            } else {
+                vec![work_name.to_string()]
+            };
+            let (region, is_component_instantiation) = match ent.kind() {
+                AnyEntKind::Design(Design::Entity(_, region)) => (region, false),
+                AnyEntKind::Component(region) => (region, true),
+                // should never happen but better return some value instead of crashing
+                _ => return entity_to_completion_item(ent),
+            };
+            // TODO: Confirm vscode support
+            let template = if true { // if server.client_supports_snippets() {
+                let mut line = if is_component_instantiation {
+                    format!("${{1:{}_inst}}: {}", ent.designator, ent.designator)
+                } else {
+                    format!(
+                        "${{1:{}_inst}}: entity ${{2|{}|}}.{}",
+                        ent.designator,
+                        library_names.join(","),
+                        ent.designator
+                    )
+                };
+                if architectures.len() > 1 {
+                    line.push_str("(${3|");
+                    for (i, architecture) in architectures.iter().enumerate() {
+                        line.push_str(&architecture.designator().to_string());
+                        if i != architectures.len() - 1 {
+                            line.push(',')
+                        }
+                    }
+                    line.push_str("|})");
+                }
+                let (ports, generics) = region.ports_and_generics();
+                let mut idx = 4;
+                let mut interface_ent = |elements: Vec<InterfaceEnt>, purpose: &str| {
+                    line += &*format!("\n {} map(\n", purpose);
+                    for (i, generic) in elements.iter().enumerate() {
+                        line += &*format!(
+                            "    {} => ${{{}:{}}}",
+                            generic.designator, idx, generic.designator
+                        );
+                        idx += 1;
+                        if i != elements.len() - 1 {
+                            line += ","
+                        }
+                        line += "\n";
+                    }
+                    line += ")";
+                };
+                if !generics.is_empty() {
+                    interface_ent(generics, "generic");
+                }
+                if !ports.is_empty() {
+                    interface_ent(ports, "port");
+                }
+                line += ";";
+                line
+            } else {
+                format!("{}", ent.designator)
+            };
+            CompletionItem {
+                label: format!("{} instantiation", ent.designator),
+                insert_text: Some(template),
+                insert_text_format: Some(InsertTextFormat::SNIPPET),
+                kind: Some(CompletionItemKind::MODULE),
+                ..Default::default()
+            }
+        }
+        vhdl_lang::CompletionItem::Attribute(attribute) => CompletionItem {
+            label: format!("{attribute}"),
+            detail: Some(format!("{attribute}")),
+            insert_text: Some(format!("{attribute}")),
+            kind: Some(CompletionItemKind::REFERENCE),
+            ..Default::default()
+        },
+    }
+}
+
+fn entity_to_completion_item(ent: EntRef) -> CompletionItem {
+    CompletionItem {
+        label: ent.designator.to_string(),
+        detail: Some(ent.describe()),
+        kind: Some(entity_kind_to_completion_kind(ent.kind())),
+        data: serde_json::to_value(ent.id.to_raw()).ok(),
+        insert_text: Some(ent.designator.to_string()),
+        ..Default::default()
+    }
+}
+
+
+fn entity_kind_to_completion_kind(kind: &AnyEntKind) -> CompletionItemKind {
+    match kind {
+        AnyEntKind::ExternalAlias { .. } | AnyEntKind::ObjectAlias { .. } => {
+            CompletionItemKind::FIELD
+        }
+        AnyEntKind::File(_) | AnyEntKind::InterfaceFile(_) => CompletionItemKind::FILE,
+        AnyEntKind::Component(_) => CompletionItemKind::MODULE,
+        AnyEntKind::Attribute(_) => CompletionItemKind::REFERENCE,
+        AnyEntKind::Overloaded(overloaded) => match overloaded {
+            Overloaded::SubprogramDecl(_)
+            | Overloaded::Subprogram(_)
+            | Overloaded::UninstSubprogramDecl(..)
+            | Overloaded::UninstSubprogram(..)
+            | Overloaded::InterfaceSubprogram(_) => CompletionItemKind::FUNCTION,
+            Overloaded::EnumLiteral(_) => CompletionItemKind::ENUM_MEMBER,
+            Overloaded::Alias(_) => CompletionItemKind::FIELD,
+        },
+        AnyEntKind::Type(_) => CompletionItemKind::TYPE_PARAMETER,
+        AnyEntKind::ElementDeclaration(_) => CompletionItemKind::FIELD,
+        AnyEntKind::Concurrent(_) => CompletionItemKind::MODULE,
+        AnyEntKind::Sequential(_) => CompletionItemKind::MODULE,
+        AnyEntKind::Object(object) => match object.class {
+            ObjectClass::Signal => CompletionItemKind::EVENT,
+            ObjectClass::Constant => CompletionItemKind::CONSTANT,
+            ObjectClass::Variable | ObjectClass::SharedVariable => CompletionItemKind::VARIABLE,
+        },
+        AnyEntKind::LoopParameter(_) => CompletionItemKind::MODULE,
+        AnyEntKind::PhysicalLiteral(_) => CompletionItemKind::UNIT,
+        AnyEntKind::DeferredConstant(_) => CompletionItemKind::CONSTANT,
+        AnyEntKind::Library => CompletionItemKind::MODULE,
+        AnyEntKind::Design(_) => CompletionItemKind::MODULE,
+        AnyEntKind::View(_) => CompletionItemKind::INTERFACE,
+    }
+}

src/definition/vhdl.rs

@@ -1,6 +1,35 @@
+use std::{path::PathBuf, str::FromStr};
+
+use log::info;
 use tower_lsp::lsp_types::*;
-use crate::server::LSPServer;
+use crate::{server::LSPServer, utils::{from_lsp_pos, srcpos_to_location, to_escape_path}};
 
-pub fn goto_vhdl_definition() {
+pub fn goto_vhdl_definition(server: &LSPServer, params: TextDocumentPositionParams) -> Option<Location> {
+    let uri = &params.text_document.uri;
+    let file_id = server.srcs.get_id(&uri).to_owned();
+    server.srcs.wait_parse_ready(file_id, false);
+    let projects = server.srcs.design_file_map.read().ok()?;
 
+    let path = match PathBuf::from_str(uri.path()) {
+        Ok(path) => path,
+        Err(error) => {
+            info!("error happen in <goto_include_definition>: {:?}", error);
+            return None;
+        }
+    };
+    let escape_path = to_escape_path(&path);
+    let escape_path_string = escape_path.to_str().unwrap_or("");
+    if escape_path_string.len() == 0 {
+        info!("error happen in [vhdl_parser_pipeline], escape_path_string is empty");
+        return None;
+    }
+    let project = match projects.get(escape_path_string) {
+        Some(project) => project,
+        None => return None
+    };
+
+    let source = project.get_source(&escape_path)?;
+
+    let ent = project.find_definition(&source, from_lsp_pos(params.position))?;
+    Some(srcpos_to_location(ent.decl_pos()?))
 }

src/document_highlight/mod.rs

@@ -12,7 +12,7 @@ impl LSPServer {
         &self,
         params: DocumentHighlightParams,
     ) -> Option<Vec<DocumentHighlight>> {
-        let uri = params.text_document_position_params.text_document.uri;
+        let uri = &params.text_document_position_params.text_document.uri;
         let pos = params.text_document_position_params.position;
         let file_id = self.srcs.get_id(&uri).to_owned();
         self.srcs.wait_parse_ready(file_id, false);
@@ -24,7 +24,7 @@ impl LSPServer {
         let language_id = get_language_id_by_uri(&uri);
         
         match language_id.as_str() {
-            "vhdl" => vhdl_document_highlight(),
+            "vhdl" => vhdl_document_highlight(self, &params.text_document_position_params),
             "verilog" | "systemverilog" => sv_document_highlight(
                 self,
                 &token,

src/document_highlight/vhdl.rs

@@ -1,5 +1,49 @@
+use std::{path::PathBuf, str::FromStr};
+
+use log::info;
 use tower_lsp::lsp_types::*;
 
-pub fn vhdl_document_highlight() -> Option<Vec<DocumentHighlight>> {
-    None
+use crate::{server::LSPServer, utils::{from_lsp_pos, to_escape_path, to_lsp_range}};
+
+pub fn vhdl_document_highlight(
+    server: &LSPServer,
+    params: &TextDocumentPositionParams
+) -> Option<Vec<DocumentHighlight>> {
+    let uri = &params.text_document.uri;
+    let file_id = server.srcs.get_id(&uri).to_owned();
+    server.srcs.wait_parse_ready(file_id, false);
+    let projects = server.srcs.design_file_map.read().ok()?;
+
+    let path = match PathBuf::from_str(uri.path()) {
+        Ok(path) => path,
+        Err(error) => {
+            info!("error happen in <goto_include_definition>: {:?}", error);
+            return None;
+        }
+    };
+    let escape_path = to_escape_path(&path);
+    let escape_path_string = escape_path.to_str().unwrap_or("");
+    if escape_path_string.len() == 0 {
+        info!("error happen in [vhdl_parser_pipeline], escape_path_string is empty");
+        return None;
+    }
+    let project = match projects.get(escape_path_string) {
+        Some(project) => project,
+        None => return None
+    };
+
+    let source = project.get_source(&escape_path)?;
+
+    let ent = project.find_declaration(&source, from_lsp_pos(params.position))?;
+
+    Some(
+        project
+            .find_all_references_in_source(&source, ent)
+            .iter()
+            .map(|pos| DocumentHighlight {
+                range: to_lsp_range(pos.range()),
+                kind: Some(DocumentHighlightKind::TEXT),
+            })
+            .collect(),
+    )
 }

src/document_symbol/vhdl.rs

@@ -1,6 +1,109 @@
+use log::info;
 use tower_lsp::lsp_types::*;
-use crate::server::LSPServer;
+use crate::{server::LSPServer, utils::to_lsp_range};
+use crate::utils::{to_escape_path, to_symbol_kind};
 
-pub fn vhdl_document_symbol(server: &LSPServer, param: &DocumentSymbolParams) -> Option<DocumentSymbolResponse> {
+use std::path::PathBuf;
+use std::str::FromStr;
+use vhdl_lang::{EntHierarchy, Token};
+
+pub fn vhdl_document_symbol(server: &LSPServer, params: &DocumentSymbolParams) -> Option<DocumentSymbolResponse> {
+    let uri = &params.text_document.uri;
+    let file_id = server.srcs.get_id(&uri).to_owned();
+    server.srcs.wait_parse_ready(file_id, false);
+    let projects = server.srcs.design_file_map.read().ok()?;
+
+    let path = match PathBuf::from_str(uri.path()) {
+        Ok(path) => path,
+        Err(error) => {
+            info!("error happen in <goto_include_definition>: {:?}", error);
+            return None;
+        }
+    };
+    let escape_path = to_escape_path(&path);
+    let escape_path_string = escape_path.to_str().unwrap_or("");
+    if escape_path_string.len() == 0 {
+        info!("error happen in [vhdl_parser_pipeline], escape_path_string is empty");
+        return None;
+    }
+    let project = match projects.get(escape_path_string) {
+        Some(project) => project,
+        None => return None
+    };
+
+    let source = project.get_source(&escape_path)?;
+
+    // Some files are mapped to multiple libraries, only use the first library for document symbols
+    let library_name = project
+        .library_mapping_of(&source)
+        .into_iter()
+        .next()?;
+
+    // TODO: Confirm vscode support
+    // if server.client_has_hierarchical_document_symbol_support() {
+        fn to_document_symbol(
+            EntHierarchy { ent, children }: EntHierarchy,
+            ctx: &Vec<Token>,
+        ) -> DocumentSymbol {
+            // Use the declaration position, if it exists,
+            // else the position of the first source range token.
+            // The latter is applicable for unnamed elements, e.g., processes or loops.
+            let selection_pos = ent.decl_pos().unwrap_or(ent.src_span.start_token.pos(ctx));
+            let src_range = ent.src_span.pos(ctx).range();
+            #[allow(deprecated)]
+            DocumentSymbol {
+                name: ent.describe(),
+                kind: to_symbol_kind(ent.kind()),
+                tags: None,
+                detail: None,
+                selection_range: to_lsp_range(selection_pos.range),
+                range: to_lsp_range(src_range),
+                children: if !children.is_empty() {
+                    Some(
+                        children
+                            .into_iter()
+                            .map(|hierarchy| to_document_symbol(hierarchy, ctx))
+                            .collect(),
+                    )
+                } else {
                     None
+                },
+                deprecated: None,
+            }
+        }
+
+        Some(DocumentSymbolResponse::Nested(
+            project
+                .document_symbols(&library_name, &source)
+                .into_iter()
+                .map(|(hierarchy, tokens)| to_document_symbol(hierarchy, tokens))
+                .collect(),
+        ))
+    // } else {
+    //     #[allow(clippy::ptr_arg)]
+    //     fn to_symbol_information(ent: EntRef, ctx: &Vec<Token>) -> SymbolInformation {
+    //         let selection_pos = ent.decl_pos().unwrap_or(ent.src_span.start_token.pos(ctx));
+    //         #[allow(deprecated)]
+    //         SymbolInformation {
+    //             name: ent.describe(),
+    //             kind: to_symbol_kind(ent.kind()),
+    //             tags: None,
+    //             location: srcpos_to_location(selection_pos),
+    //             deprecated: None,
+    //             container_name: ent.parent_in_same_source().map(|ent| ent.describe()),
+    //         }
+    //     }
+
+    //     Some(DocumentSymbolResponse::Flat(
+    //         project
+    //             .document_symbols(&library_name, &source)
+    //             .into_iter()
+    //             .flat_map(|(a, ctx)| {
+    //                 a.into_flat()
+    //                     .into_iter()
+    //                     .map(|hierarchy| to_symbol_information(hierarchy, ctx))
+    //             })
+    //             .collect(),
+    //     ))
+    // }
 }

src/sources.rs

@@ -1,4 +1,3 @@
-use crate::core::fast_hdlparam::FastHdlparam;
 use crate::core::fast_hdlparam::HdlParam;
 use crate::core::sv_parser::make_fast_from_syntaxtree;
 use crate::core::vhdl_parser::make_fast_from_design_file;
@@ -13,7 +12,7 @@ use log::info;
 use log::{debug, error};
 use pathdiff::diff_paths;
 use ropey::{Rope, RopeSlice};
-use vhdl_lang::ast::DesignFile;
+use vhdl_lang::MessagePrinter;
 use std::cmp::min;
 use std::collections::HashMap;
 use std::env::current_dir;
@@ -130,7 +129,7 @@ pub struct Source {
 pub enum ParseIR {
     /// 基于 rust_hdl 的IR，存放 VHDL
     #[allow(unused)]
-    DesignFile(vhdl_lang::ast::DesignFile),
+    VHDLProject(vhdl_lang::Project),
     /// 存放 sv 的 IR
     SyntaxTree(sv_parser::SyntaxTree)
 }
@@ -178,7 +177,7 @@ pub struct Sources {
     /// scope tree 类型的树形结构，用于提供 sv 的 lsp
     pub scope_tree: Arc<RwLock<Option<GenericScope>>>,
     /// 存储 vhdl design file ir 的对象
-    pub design_file_map: Arc<RwLock<HashMap<String, DesignFile>>>,
+    pub design_file_map: Arc<RwLock<HashMap<String, vhdl_lang::Project>>>,
     // include directories, passed to parser to resolve `include
     pub include_dirs: Arc<RwLock<Vec<PathBuf>>>,
     // source directories
@@ -567,7 +566,7 @@ pub fn sv_parser_pipeline(
 }
 
 pub fn vhdl_parser_pipeline(
-    design_file_handle: &Arc<RwLock<HashMap<String, DesignFile>>>,
+    design_file_handle: &Arc<RwLock<HashMap<String, vhdl_lang::Project>>>,
     hdl_param_handle: &Arc<HdlParam>,
     uri: &Url
 ) {
@@ -589,7 +588,9 @@ pub fn vhdl_parser_pipeline(
         if let Some(fast) = make_fast_from_design_file(&design_file) {
             hdl_param_handle.update_fast(escape_path_string.to_string(), fast);
         }
-        design_files.insert(escape_path_string.to_string(), design_file);
+        let mut msg_printer = MessagePrinter::default();
+        let project = vhdl_lang::Project::new_without_config(&escape_path, &mut msg_printer, None);
+        design_files.insert(escape_path_string.to_string(), project);
     }
 }
 

src/utils/mod.rs

@@ -4,6 +4,7 @@ use percent_encoding::percent_decode_str;
 use regex::Regex;
 use ropey::RopeSlice;
 use tower_lsp::lsp_types::*;
+use vhdl_lang::{ast::ObjectClass, AnyEntKind, Concurrent, Object, Overloaded, SrcPos, Type};
 
 pub mod fast;
 pub mod file;
@@ -141,3 +142,123 @@ pub fn to_escape_path(path: &PathBuf) -> PathBuf {
         },
     }
 }
+
+pub fn to_lsp_pos(position: vhdl_lang::Position) -> Position {
+    Position {
+        line: position.line,
+        character: position.character,
+    }
+}
+
+pub fn to_lsp_range(range: vhdl_lang::Range) -> Range {
+    Range {
+        start: to_lsp_pos(range.start),
+        end: to_lsp_pos(range.end),
+    }
+}
+
+pub fn to_symbol_kind(kind: &AnyEntKind) -> SymbolKind {
+    match kind {
+        AnyEntKind::ExternalAlias { class, .. } => object_class_kind(ObjectClass::from(*class)),
+        AnyEntKind::ObjectAlias { base_object, .. } => object_kind(base_object.object()),
+        AnyEntKind::Object(o) => object_kind(o),
+        AnyEntKind::LoopParameter(_) => SymbolKind::CONSTANT,
+        AnyEntKind::PhysicalLiteral(_) => SymbolKind::CONSTANT,
+        AnyEntKind::DeferredConstant(_) => SymbolKind::CONSTANT,
+        AnyEntKind::File { .. } => SymbolKind::FILE,
+        AnyEntKind::InterfaceFile { .. } => SymbolKind::INTERFACE,
+        AnyEntKind::Component(_) => SymbolKind::CLASS,
+        AnyEntKind::Attribute(_) => SymbolKind::PROPERTY,
+        AnyEntKind::Overloaded(o) => overloaded_kind(o),
+        AnyEntKind::Type(t) => type_kind(t),
+        AnyEntKind::ElementDeclaration(_) => SymbolKind::FIELD,
+        AnyEntKind::Sequential(_) => SymbolKind::NAMESPACE,
+        AnyEntKind::Concurrent(Some(Concurrent::Instance)) => SymbolKind::MODULE,
+        AnyEntKind::Concurrent(_) => SymbolKind::NAMESPACE,
+        AnyEntKind::Library => SymbolKind::NAMESPACE,
+        AnyEntKind::View(_) => SymbolKind::INTERFACE,
+        AnyEntKind::Design(d) => match d {
+            vhdl_lang::Design::Entity(_, _) => SymbolKind::MODULE,
+            vhdl_lang::Design::Architecture(..) => SymbolKind::MODULE,
+            vhdl_lang::Design::Configuration => SymbolKind::MODULE,
+            vhdl_lang::Design::Package(_, _) => SymbolKind::PACKAGE,
+            vhdl_lang::Design::PackageBody(..) => SymbolKind::PACKAGE,
+            vhdl_lang::Design::UninstPackage(_, _) => SymbolKind::PACKAGE,
+            vhdl_lang::Design::PackageInstance(_) => SymbolKind::PACKAGE,
+            vhdl_lang::Design::InterfacePackageInstance(_) => SymbolKind::PACKAGE,
+            vhdl_lang::Design::Context(_) => SymbolKind::NAMESPACE,
+        },
+    }
+}
+
+pub fn type_kind(t: &Type) -> SymbolKind {
+    match t {
+        vhdl_lang::Type::Array { .. } => SymbolKind::ARRAY,
+        vhdl_lang::Type::Enum(_) => SymbolKind::ENUM,
+        vhdl_lang::Type::Integer => SymbolKind::NUMBER,
+        vhdl_lang::Type::Real => SymbolKind::NUMBER,
+        vhdl_lang::Type::Physical => SymbolKind::NUMBER,
+        vhdl_lang::Type::Access(_) => SymbolKind::ENUM,
+        vhdl_lang::Type::Record(_) => SymbolKind::STRUCT,
+        vhdl_lang::Type::Incomplete => SymbolKind::NULL,
+        vhdl_lang::Type::Subtype(t) => type_kind(t.type_mark().kind()),
+        vhdl_lang::Type::Protected(_, _) => SymbolKind::CLASS,
+        vhdl_lang::Type::File => SymbolKind::FILE,
+        vhdl_lang::Type::Interface => SymbolKind::TYPE_PARAMETER,
+        vhdl_lang::Type::Alias(t) => type_kind(t.kind()),
+        vhdl_lang::Type::Universal(_) => SymbolKind::NUMBER,
+    }
+}
+
+pub fn overloaded_kind(overloaded: &Overloaded) -> SymbolKind {
+    match overloaded {
+        Overloaded::SubprogramDecl(_) => SymbolKind::FUNCTION,
+        Overloaded::Subprogram(_) => SymbolKind::FUNCTION,
+        Overloaded::UninstSubprogramDecl(..) => SymbolKind::FUNCTION,
+        Overloaded::UninstSubprogram(..) => SymbolKind::FUNCTION,
+        Overloaded::InterfaceSubprogram(_) => SymbolKind::FUNCTION,
+        Overloaded::EnumLiteral(_) => SymbolKind::ENUM_MEMBER,
+        Overloaded::Alias(o) => overloaded_kind(o.kind()),
+    }
+}
+
+pub fn object_kind(object: &Object) -> SymbolKind {
+    if matches!(object.subtype.type_mark().kind(), Type::Protected(..)) {
+        SymbolKind::OBJECT
+    } else if object.iface.is_some() {
+        SymbolKind::INTERFACE
+    } else {
+        object_class_kind(object.class)
+    }
+}
+
+pub fn object_class_kind(class: ObjectClass) -> SymbolKind {
+	match class {
+        ObjectClass::Signal => SymbolKind::EVENT,
+        ObjectClass::Constant => SymbolKind::CONSTANT,
+        ObjectClass::Variable => SymbolKind::VARIABLE,
+        ObjectClass::SharedVariable => SymbolKind::VARIABLE,
+    }
+}
+
+pub fn from_lsp_pos(position: Position) -> vhdl_lang::Position {
+    vhdl_lang::Position {
+        line: position.line,
+        character: position.character,
+    }
+}
+
+pub fn from_lsp_range(range: Range) -> vhdl_lang::Range {
+    vhdl_lang::Range {
+        start: from_lsp_pos(range.start),
+        end: from_lsp_pos(range.end),
+    }
+}
+
+pub fn srcpos_to_location(pos: &SrcPos) -> Location {
+    let uri = Url::from_file_path(pos.source.file_name()).unwrap();
+    Location {
+        uri,
+        range: to_lsp_range(pos.range()),
+    }
+}