feat: add reference

db/schema.sql

@@ -1,42 +1,58 @@
-CREATE TABLE files (
+CREATE TABLE IF NOT EXISTS files (
     id INTEGER PRIMARY KEY,
     path TEXT NOT NULL UNIQUE,
-    language    TEXT    NOT NULL,
+    LANGUAGE TEXT NOT NULL,
     package TEXT,
     hash TEXT NOT NULL,
     indexed_at DATETIME DEFAULT CURRENT_TIMESTAMP
 );
 
-CREATE TABLE symbols (
+CREATE TABLE IF NOT EXISTS symbols (
     id INTEGER PRIMARY KEY,
-    file_id     INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
+    file_id INTEGER NOT NULL REFERENCES files (id) ON DELETE CASCADE,
     name TEXT NOT NULL,
-    kind        TEXT    NOT NULL CHECK(kind IN (
+    kind TEXT NOT NULL CHECK (
-        'function', 'method', 'class', 'type',
+        kind IN (
-        'interface', 'constant', 'variable', 'constructor'
+            'function',
-    )),
+            'method',
+            'class',
+            'type',
+            'reference',
+            'interface',
+            'constant',
+            'variable',
+            'constructor'
+        )
+    ),
     line INTEGER NOT NULL,
     line_end INTEGER,
     col INTEGER,
     col_end INTEGER,
     exported BOOLEAN,
-    parent_id   INTEGER REFERENCES symbols(id),
+    parent_id INTEGER REFERENCES symbols (id),
-    UNIQUE(file_id, name, kind, line)
+    UNIQUE (file_id, name, kind, line)
 );
 
-CREATE INDEX idx_symbols_name ON symbols(name);
+CREATE INDEX IF NOT EXISTS idx_symbols_name ON symbols (name);
-CREATE INDEX idx_symbols_kind ON symbols(kind);
+
-CREATE INDEX idx_symbols_file_line ON symbols(file_id, line);
+CREATE INDEX IF NOT EXISTS idx_symbols_kind ON symbols (kind);
-CREATE INDEX idx_symbols_parent ON symbols(parent_id);
+
-CREATE INDEX idx_symbols_exported ON symbols(exported, kind);
+CREATE INDEX IF NOT EXISTS idx_symbols_file_line ON symbols (file_id, line);
-CREATE INDEX idx_files_path ON files(path);
+
-CREATE INDEX idx_files_language ON files(language);
+CREATE INDEX IF NOT EXISTS idx_symbols_parent ON symbols (parent_id);
-CREATE INDEX idx_files_package ON files(package);
+
+CREATE INDEX IF NOT EXISTS idx_symbols_exported ON symbols (exported, kind);
+
+CREATE INDEX IF NOT EXISTS idx_files_path ON files (path);
+
+CREATE INDEX IF NOT EXISTS idx_files_language ON files (LANGUAGE);
+
+CREATE INDEX IF NOT EXISTS idx_files_package ON files (package);
 
 -- FTS5 virtual table for full-text search of file contents.
 -- content is stored here (not external content), keyed by file_id.
-CREATE VIRTUAL TABLE file_contents USING fts5(
+CREATE VIRTUAL TABLE IF NOT EXISTS file_contents USING fts5 (
     file_id UNINDEXED,
     content,
-    tokenize='porter unicode61'
+    tokenize = 'porter unicode61'
 );

extension/schema.sql

@@ -1,42 +1,58 @@
-CREATE TABLE files (
+CREATE TABLE IF NOT EXISTS files (
     id INTEGER PRIMARY KEY,
     path TEXT NOT NULL UNIQUE,
-    language    TEXT    NOT NULL,
+    LANGUAGE TEXT NOT NULL,
     package TEXT,
     hash TEXT NOT NULL,
     indexed_at DATETIME DEFAULT CURRENT_TIMESTAMP
 );
 
-CREATE TABLE symbols (
+CREATE TABLE IF NOT EXISTS symbols (
     id INTEGER PRIMARY KEY,
-    file_id     INTEGER NOT NULL REFERENCES files(id) ON DELETE CASCADE,
+    file_id INTEGER NOT NULL REFERENCES files (id) ON DELETE CASCADE,
     name TEXT NOT NULL,
-    kind        TEXT    NOT NULL CHECK(kind IN (
+    kind TEXT NOT NULL CHECK (
-        'function', 'method', 'class', 'type',
+        kind IN (
-        'interface', 'constant', 'variable', 'constructor'
+            'function',
-    )),
+            'method',
+            'class',
+            'type',
+            'reference',
+            'interface',
+            'constant',
+            'variable',
+            'constructor'
+        )
+    ),
     line INTEGER NOT NULL,
     line_end INTEGER,
     col INTEGER,
     col_end INTEGER,
     exported BOOLEAN,
-    parent_id   INTEGER REFERENCES symbols(id),
+    parent_id INTEGER REFERENCES symbols (id),
-    UNIQUE(file_id, name, kind, line)
+    UNIQUE (file_id, name, kind, line)
 );
 
-CREATE INDEX idx_symbols_name ON symbols(name);
+CREATE INDEX IF NOT EXISTS idx_symbols_name ON symbols (name);
-CREATE INDEX idx_symbols_kind ON symbols(kind);
+
-CREATE INDEX idx_symbols_file_line ON symbols(file_id, line);
+CREATE INDEX IF NOT EXISTS idx_symbols_kind ON symbols (kind);
-CREATE INDEX idx_symbols_parent ON symbols(parent_id);
+
-CREATE INDEX idx_symbols_exported ON symbols(exported, kind);
+CREATE INDEX IF NOT EXISTS idx_symbols_file_line ON symbols (file_id, line);
-CREATE INDEX idx_files_path ON files(path);
+
-CREATE INDEX idx_files_language ON files(language);
+CREATE INDEX IF NOT EXISTS idx_symbols_parent ON symbols (parent_id);
-CREATE INDEX idx_files_package ON files(package);
+
+CREATE INDEX IF NOT EXISTS idx_symbols_exported ON symbols (exported, kind);
+
+CREATE INDEX IF NOT EXISTS idx_files_path ON files (path);
+
+CREATE INDEX IF NOT EXISTS idx_files_language ON files (LANGUAGE);
+
+CREATE INDEX IF NOT EXISTS idx_files_package ON files (package);
 
 -- FTS5 virtual table for full-text search of file contents.
 -- content is stored here (not external content), keyed by file_id.
-CREATE VIRTUAL TABLE file_contents USING fts5(
+CREATE VIRTUAL TABLE IF NOT EXISTS file_contents USING fts5 (
     file_id UNINDEXED,
     content,
-    tokenize='porter unicode61'
+    tokenize = 'porter unicode61'
 );

flake.nix

@@ -21,6 +21,7 @@
         devShells.default = pkgs.mkShell {
           packages = with pkgs; [
             go
+            gopls
             gnumake
           ];
         };

indexer/indexer.go

@@ -15,7 +15,6 @@ import (
 	"codexis/db"
 )
 
-
 // ProgressFunc is called for each file being processed.
 // current is the 1-based index, total is the total file count, path is the file being processed.
 type ProgressFunc func(current, total int, path string)
@@ -260,7 +259,7 @@ func buildSymbolDefs(tags []gotreesitter.Tag, fileID int64, langName string) []s
 	for _, tag := range tags {
 		kind := tagKind(tag.Kind)
 		if kind == "" {
-			continue // skip references and unknown kinds
+			continue
 		}
 
 		exported := IsExported(tag.Name, langName)
@@ -307,5 +306,9 @@ func tagKind(kind string) string {
 	if strings.HasPrefix(kind, prefix) {
 		return kind[len(prefix):]
 	}
+	if kind == "reference.call" {
+		return "reference"
+	}
+	fmt.Println(kind)
 	return ""
 }