Fix #222

src/client/client.d

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-module client;
+module client.client;
 
 import std.socket;
 import std.stdio;
@@ -31,8 +31,8 @@ import std.string;
 import std.experimental.logger;
 
 import msgpack;
-import messages;
-import dcd_version;
+import common.messages;
+import common.dcd_version;
 
 int main(string[] args)
 {
@@ -46,6 +46,7 @@ int main(string[] args)
 	bool doc;
 	bool query;
 	bool printVersion;
+	bool listImports;
 	string search;
 
 	try
@@ -54,7 +55,7 @@ int main(string[] args)
 			"port|p", &port, "help|h", &help, "shutdown", &shutdown,
 			"clearCache", &clearCache, "symbolLocation|l", &symbolLocation,
 			"doc|d", &doc, "query|status|q", &query, "search|s", &search,
-			"version", &printVersion);
+			"version", &printVersion, "listImports", &listImports);
 	}
 	catch (ConvException e)
 	{
@@ -126,6 +127,16 @@ int main(string[] args)
 			return 0;
 		}
 	}
+	else if (listImports)
+	{
+		request.kind |= RequestKind.listImports;
+		TcpSocket socket = createSocket(port);
+		scope (exit) { socket.shutdown(SocketShutdown.BOTH); socket.close(); }
+		sendRequest(socket, request);
+		AutocompleteResponse response = getResponse(socket);
+		printImportList(response);
+		return 0;
+	}
 	else if (search == null && cursorPos == size_t.max)
 	{
 		// cursor position is a required argument
@@ -342,3 +353,10 @@ void printSearchResponse(const AutocompleteResponse response)
 			response.locations[i]);
 	}
 }
+
+void printImportList(const AutocompleteResponse response)
+{
+	import std.algorithm.iteration : each;
+
+	response.importPaths.each!(a => writeln(a));
+}

src/common/constants.d

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-module constants;
+module common.constants;
 
 // The lists in this module should be kept sorted.
 

src/common/dcd_version.d

@@ -16,12 +16,12 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-module dcd_version;
+module common.dcd_version;
 
 /**
  * Human-readable version number
  */
-enum DCD_VERSION = "v0.6.1-dev";
+enum DCD_VERSION = "v0.7.0-alpha";
 
 version (Windows) {}
 else

src/common/messages.d

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-module messages;
+module common.messages;
 
 /**
  * The type of completion list being returned
@@ -42,31 +42,37 @@ enum CompletionType : string
 	/**
 	 * The response contains documentation comments for the symbol.
 	 */
-	ddoc = "ddoc"
+	ddoc = "ddoc",
 }
 
 /**
  * Request kind
  */
-enum RequestKind : ubyte
+enum RequestKind : ushort
 {
-	uninitialized =  0b00000000,
+	// dfmt off
+
+	uninitialized =  0b00000000_00000000,
 	/// Autocompletion
-	autocomplete =   0b00000001,
+	autocomplete =   0b00000000_00000001,
 	/// Clear the completion cache
-	clearCache =     0b00000010,
+	clearCache =     0b00000000_00000010,
 	/// Add import directory to server
-	addImport =      0b00000100,
+	addImport =      0b00000000_00000100,
 	/// Shut down the server
-	shutdown =       0b00001000,
+	shutdown =       0b00000000_00001000,
 	/// Get declaration location of given symbol
-	symbolLocation = 0b00010000,
+	symbolLocation = 0b00000000_00010000,
 	/// Get the doc comments for the symbol
-	doc =            0b00100000,
+	doc =            0b00000000_00100000,
 	/// Query server status
-	query =	         0b01000000,
+	query =	         0b00000000_01000000,
 	/// Search for symbol
-	search =         0b10000000,
+	search =         0b00000000_10000000,
+	/// List import directories
+	listImports =    0b00000001_00000000,
+
+	// dfmt on
 }
 
 /**
@@ -145,4 +151,9 @@ struct AutocompleteResponse
 	 * Symbol locations for symbol searches.
 	 */
 	size_t[] locations;
+
+	/**
+	 * Import paths that are registered by the server.
+	 */
+	string[] importPaths;
 }

src/server/autocomplete.d

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-module autocomplete;
+module server.autocomplete;
 
 import std.algorithm;
 import std.allocator;
@@ -45,8 +45,8 @@ import dsymbol.builtin.symbols;
 
 import memory.allocators;
 
-import constants;
-import messages;
+import common.constants;
+import common.messages;
 
 /**
  * Gets documentation for the symbol at the cursor

src/server/server.d

@@ -16,7 +16,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-module server;
+module server.server;
 
 import std.socket;
 import std.stdio;
@@ -36,11 +36,11 @@ import msgpack;
 
 import dsymbol.string_interning;
 
-import messages;
-import autocomplete;
+import common.messages;
+import server.autocomplete;
 import dsymbol.modulecache;
 import dsymbol.symbol;
-import dcd_version;
+import common.dcd_version;
 
 /// Name of the server configuration file
 enum CONFIG_FILE_NAME = "dcd.conf";
@@ -147,7 +147,7 @@ int main(string[] args)
 		(cast(ubyte*) &messageLength)[0..size_t.sizeof] = buffer[0..size_t.sizeof];
 		while (bytesReceived < messageLength + size_t.sizeof)
 		{
-			auto b = s.receive(buffer[bytesReceived .. $]);
+			immutable b = s.receive(buffer[bytesReceived .. $]);
 			if (b == Socket.ERROR)
 			{
 				bytesReceived = Socket.ERROR;
@@ -180,12 +180,21 @@ int main(string[] args)
 			response.completionType = "ack";
 			ubyte[] responseBytes = msgpack.pack(response);
 			s.send(responseBytes);
+			continue;
 		}
 		if (request.kind & RequestKind.addImport)
 		{
 			ModuleCache.addImportPaths(request.importPaths);
 		}
-		if (request.kind & RequestKind.autocomplete)
+		if (request.kind & RequestKind.listImports)
+		{
+			AutocompleteResponse response;
+			response.importPaths = ModuleCache.getImportPaths().array();
+			ubyte[] responseBytes = msgpack.pack(response);
+			info("Returning import path list");
+			s.send(responseBytes);
+		}
+		else if (request.kind & RequestKind.autocomplete)
 		{
 			info("Getting completions");
 			AutocompleteResponse response = complete(request);