CodeHint Related Bug Fixes (#14692)

Author: shubhsnov

src/extensions/default/PhpTooling/CodeHintsProvider.js

@@ -101,11 +101,15 @@ define(function (require, exports, module) {
 
             self.query = context.token.string.slice(0, context.pos.ch - context.token.start);
             if (msgObj) {
-                var res = msgObj.items || [];
+                var res = msgObj.items || [],
+                    trimmedQuery = self.query.trim(),
+                    hasIgnoreCharacters = self.ignoreQuery.includes(implicitChar) || self.ignoreQuery.includes(trimmedQuery),
+                    isExplicitInvokation = implicitChar === null;
+
                 // There is a bug in Php Language Server, Php Language Server does not provide superGlobals
                 // Variables as completion. so these variables are being explicity put in response objects
                 // below code should be removed if php server fix this bug.
-                if(self.query) {
+                if((isExplicitInvokation || trimmedQuery) && !hasIgnoreCharacters) {
                     for(var key in phpSuperGlobalVariables) {
                         res.push({
                             label: key,
@@ -115,7 +119,12 @@ define(function (require, exports, module) {
                     }
                 }
 
-                var filteredHints = filterWithQueryAndMatcher(res, self.query);
+                var filteredHints = [];
+                if (hasIgnoreCharacters || (isExplicitInvokation && !trimmedQuery)) {
+                    filteredHints = filterWithQueryAndMatcher(res, "");
+                } else {
+                    filteredHints = filterWithQueryAndMatcher(res, self.query);
+                }
 
                 StringMatch.basicMatchSort(filteredHints);
                 filteredHints.forEach(function (element) {

src/languageTools/DefaultProviders.js

@@ -46,6 +46,7 @@ define(function (require, exports, module) {
     function CodeHintsProvider(client) {
         this.client = client;
         this.query = "";
+        this.ignoreQuery = ["-", "->", ">", ":", "::", "(", "()", ")", "[", "[]", "]", "{", "{}", "}"];
     }
 
     function formatTypeDataForToken($hintObj, token) {
@@ -160,11 +161,12 @@ define(function (require, exports, module) {
             token = $hint.data("token"),
             txt = null,
             query = this.query,
+            shouldIgnoreQuery = this.ignoreQuery.includes(query),
+            inclusion = shouldIgnoreQuery ? "" : query,
             start = {
                 line: cursor.line,
-                ch: cursor.ch - query.length
+                ch: cursor.ch - inclusion.length
             },
-
             end = {
                 line: cursor.line,
                 ch: cursor.ch