DCD doc comments support, part 1

src/dlangide/tools/d/dcdinterface.d

@@ -13,6 +13,7 @@ enum DCDResult : int {
     FAIL,
 }
 
+alias DocCommentsResultSet = Tuple!(DCDResult, "result", string[], "docComments");
 alias FindDeclarationResultSet = Tuple!(DCDResult, "result", string, "fileName", ulong, "offset");
 alias ResultSet = Tuple!(DCDResult, "result", dstring[], "output");
 
@@ -37,13 +38,28 @@ class DCDInterface {
         return "";
     }
 
+    DocCommentsResultSet getDocComments(in string[] importPaths, in string filename, in string content, int index, ref ModuleCache moduleCache) {
+        AutocompleteRequest request;
+        request.sourceCode = cast(ubyte[])content;
+        request.fileName = filename;
+        request.cursorPosition = index; 
+
+        AutocompleteResponse response = getDoc(request,moduleCache);
+
+        DocCommentsResultSet result;
+        result.docComments = response.docComments;
+        result.result = DCDResult.SUCCESS;
+
+        debug(DCD) Log.d("DCD doc comments:\n", result.docComments);
+
+        if (result.docComments is null) {
+            result.result = DCDResult.NO_RESULT;
+        }
+        return result;
+    }
+
     FindDeclarationResultSet goToDefinition(in string[] importPaths, in string filename, in string content, int index, ref ModuleCache moduleCache) {
 
-        version(USE_LIBDPARSE) {
-            import dlangide.tools.d.dparser;
-            DParsingService.instance.addImportPaths(importPaths);
-            DParsedModule m = DParsingService.instance.findDeclaration(cast(ubyte[])content, filename, index);
-        }
         debug(DCD) Log.d("DCD Context: ", dumpContext(content, index));
 	
         AutocompleteRequest request;

src/dlangide/tools/d/deditortool.d

@@ -24,6 +24,29 @@ class DEditorTool : EditorTool
         super(frame);
     }
 
+    override string[] getDocComments(DSourceEdit editor, TextPosition caretPosition) {
+        string[] importPaths = editor.importPaths();
+        _frame.moduleCache.addImportPaths(importPaths);
+
+        string content = toUTF8(editor.text);
+        auto byteOffset = caretPositionToByteOffset(content, caretPosition);
+        DocCommentsResultSet output = _dcd.getDocComments(importPaths, editor.filename, content, byteOffset, _frame.moduleCache);
+
+        switch(output.result) {
+            //TODO: Show dialog
+            case DCDResult.FAIL:
+            case DCDResult.NO_RESULT:
+                editor.setFocus();
+                return null;
+            case DCDResult.SUCCESS:
+                auto doc = output.docComments;
+                Log.d("Doc comments: ", doc);
+                return doc;
+            default:
+                return null;
+        }
+    }
+
     override bool goToDefinition(DSourceEdit editor, TextPosition caretPosition) {
         string[] importPaths = editor.importPaths();
         _frame.moduleCache.addImportPaths(importPaths);

src/dlangide/tools/editortool.d

@@ -17,6 +17,7 @@ class EditorTool
     //Since files might be unsaved, we must send all the text content.
     abstract bool goToDefinition(DSourceEdit editor, TextPosition caretPosition);
     abstract dstring[] getCompletions(DSourceEdit editor, TextPosition caretPosition);
+    abstract string[] getDocComments(DSourceEdit editor, TextPosition caretPosition);
 
     protected IDEFrame _frame;
     
@@ -35,4 +36,8 @@ class DefaultEditorTool : EditorTool
     override dstring[] getCompletions(DSourceEdit editor, TextPosition caretPosition) {
         assert(0);
     }
+
+    override string[] getDocComments(DSourceEdit editor, TextPosition caretPosition) {
+        assert(0);
+    }
 }