查看表达式信息

editor/editors.go

@@ -163,6 +163,79 @@ func AutocompleteHandler(w http.ResponseWriter, r *http.Request) {
 	w.Write(output)
 }
 
+// 查看表达式信息.
+func GetExprInfoHandler(w http.ResponseWriter, r *http.Request) {
+	data := map[string]interface{}{"succ": true}
+	defer util.RetJSON(w, r, data)
+
+	session, _ := session.HTTPSession.Get(r, "wide-session")
+	username := session.Values["username"].(string)
+
+	decoder := json.NewDecoder(r.Body)
+
+	var args map[string]interface{}
+	if err := decoder.Decode(&args); err != nil {
+		glog.Error(err)
+		http.Error(w, err.Error(), 500)
+
+		return
+	}
+
+	path := args["path"].(string)
+	curDir := path[:strings.LastIndex(path, string(os.PathSeparator))]
+	filename := path[strings.LastIndex(path, string(os.PathSeparator))+1:]
+
+	fout, err := os.Create(path)
+
+	if nil != err {
+		glog.Error(err)
+		data["succ"] = false
+
+		return
+	}
+
+	code := args["code"].(string)
+	fout.WriteString(code)
+
+	if err := fout.Close(); nil != err {
+		glog.Error(err)
+		data["succ"] = false
+
+		return
+	}
+
+	line := int(args["cursorLine"].(float64))
+	ch := int(args["cursorCh"].(float64))
+
+	offset := getCursorOffset(code, line, ch)
+	glog.Infof("offset [%d]", offset)
+
+	// TODO: 目前是调用 liteide_stub 工具来查找声明，后续需要重新实现
+	ide_stub := conf.Wide.GetIDEStub()
+	argv := []string{"type", "-cursor", filename + ":" + strconv.Itoa(offset), "-info", "."}
+	cmd := exec.Command(ide_stub, argv...)
+	cmd.Dir = curDir
+
+	setCmdEnv(cmd, username)
+
+	output, err := cmd.CombinedOutput()
+	if nil != err {
+		glog.Error(err)
+		http.Error(w, err.Error(), 500)
+
+		return
+	}
+
+	exprInfo := strings.TrimSpace(string(output))
+	if "" == exprInfo {
+		data["succ"] = false
+
+		return
+	}
+
+	data["info"] = exprInfo
+}
+
 // 查找声明.
 func FindDeclarationHandler(w http.ResponseWriter, r *http.Request) {
 	data := map[string]interface{}{"succ": true}
@@ -208,7 +281,7 @@ func FindDeclarationHandler(w http.ResponseWriter, r *http.Request) {
 	ch := int(args["cursorCh"].(float64))
 
 	offset := getCursorOffset(code, line, ch)
-	// glog.Infof("offset [%d]", offset)
+	glog.Infof("offset [%d]", offset)
 
 	// TODO: 目前是调用 liteide_stub 工具来查找声明，后续需要重新实现
 	ide_stub := conf.Wide.GetIDEStub()
@@ -263,7 +336,7 @@ func FindUsagesHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	filePath := args["file"].(string)
+	filePath := args["path"].(string)
 	curDir := filePath[:strings.LastIndex(filePath, string(os.PathSeparator))]
 	filename := filePath[strings.LastIndex(filePath, string(os.PathSeparator))+1:]
 

main.go

@@ -191,6 +191,7 @@ func main() {
 	http.HandleFunc("/editor/ws", handlerWrapper(editor.WSHandler))
 	http.HandleFunc("/go/fmt", handlerWrapper(editor.GoFmtHandler))
 	http.HandleFunc("/autocomplete", handlerWrapper(editor.AutocompleteHandler))
+	http.HandleFunc("/exprinfo", handlerWrapper(editor.GetExprInfoHandler))
 	http.HandleFunc("/find/decl", handlerWrapper(editor.FindDeclarationHandler))
 	http.HandleFunc("/find/usages", handlerWrapper(editor.FindUsagesHandler))
 	http.HandleFunc("/html/fmt", handlerWrapper(editor.HTMLFmtHandler))

static/js/editors.js

@@ -106,15 +106,29 @@ var editors = {
                     if (autocompleteArray) {
                         for (var i = 0; i < autocompleteArray.length; i++) {
                             var displayText = '';
-                            if (autocompleteArray[i].class === 'type') {
+
+                            switch (autocompleteArray[i].class) {
+                                case "type":
+                                case "const":
+                                case "var":
+                                case "package":
                                     displayText = '<span class="fn-clear">'// + autocompleteArray[i].class 
-                                        + '<b class="fn-left">' + autocompleteArray[i].name + '</b>'
+                                            + '<b class="fn-left">' + autocompleteArray[i].name + '</b>    '
                                             + autocompleteArray[i].type + '</span>';
-                            } else {
+
+                                    break;
+                                case "func":
                                     displayText = '<span>'// + autocompleteArray[i].class 
-                                        + '<b>' + autocompleteArray[i].name + '</b>    '
+                                            + '<b>' + autocompleteArray[i].name + '</b>'
                                             + autocompleteArray[i].type.substring(4) + '</span>';
+
+                                    break;
+                                default:
+                                    console.warn("Can't handle autocomplete [" + autocompleteArray[i].class + "]");
+                                    
+                                    break;
                             }
+
                             autocompleteHints[i] = {
                                 // TODO: 添加类型、图标
 
@@ -150,6 +164,31 @@ var editors = {
         CodeMirror.commands.doNothing = function (cm) {
         };
         
+        CodeMirror.commands.exprInfo = function (cm) {
+            var cur = wide.curEditor.getCursor();
+
+            var request = newWideRequest();
+            request.path = $(".edit-panel .tabs .current > span:eq(0)").attr("title");
+            request.code = wide.curEditor.getValue();
+            request.cursorLine = cur.line;
+            request.cursorCh = cur.ch;
+
+            $.ajax({
+                type: 'POST',
+                url: '/exprinfo',
+                data: JSON.stringify(request),
+                dataType: "json",
+                success: function (data) {
+                    // TODO: V
+                    console.log(data);
+
+                    if (!data.succ) {
+                        return;
+                    }
+                }
+            });
+        };
+
         CodeMirror.commands.jumpToDecl = function (cm) {
             var cur = wide.curEditor.getCursor();
 
@@ -204,7 +243,7 @@ var editors = {
             var cur = wide.curEditor.getCursor();
 
             var request = newWideRequest();
-            request.file = wide.curNode.path;
+            request.path = $(".edit-panel .tabs .current > span:eq(0)").attr("title");
             request.code = wide.curEditor.getValue();
             request.cursorLine = cur.line;
             request.cursorCh = cur.ch;
@@ -216,7 +255,7 @@ var editors = {
                 dataType: "json",
                 success: function (data) {
                     console.log(data);
-
+                    // TODO: V
                     if (!data.succ) {
                         return;
                     }
@@ -272,6 +311,7 @@ var editors = {
             extraKeys: {
                 "Ctrl-\\": "autocompleteAnyWord",
                 ".": "autocompleteAfterDot",
+                "Ctrl-I": "exprInfo",
                 "Ctrl-G": "gotoLine",
                 "Ctrl-E": "deleteLine",
                 "Ctrl-D": "doNothing", // 取消默认的 deleteLine