From 3a5dcfda1b0f77a44901a3b536d0f724c19aa7c1 Mon Sep 17 00:00:00 2001
From: Magyarimiki <249292183+Magyarimiki@users.noreply.github.com>
Date: Thu, 18 Jun 2026 17:46:43 +0200
Subject: [PATCH 1/2] Do not analyze unsupported files on save

Signed-off-by: Magyarimiki <249292183+Magyarimiki@users.noreply.github.com>
---
 src/backend/executor/bridge.ts | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/backend/executor/bridge.ts b/src/backend/executor/bridge.ts
index 9bbc236..3b0800f 100644
--- a/src/backend/executor/bridge.ts
+++ b/src/backend/executor/bridge.ts
@@ -387,7 +387,7 @@ export class ExecutorBridge implements Disposable {
     public async analyzeCurrentFile() {
         const currentFile = window.activeTextEditor?.document.uri;
 
-        if (currentFile !== undefined) {
+        if (currentFile !== undefined && this.isSupportedFile(currentFile)) {
             await this.analyzeFile(currentFile);
         }
     }
@@ -928,4 +928,19 @@ export class ExecutorBridge implements Disposable {
 
         this._databaseLocationChanged.fire();
     }
+
+    private isSupportedFile(uri: Uri | undefined): boolean {
+        if (uri === undefined) {
+            return false;
+        }
+
+        const extensions = [
+            '.c',
+            '.cc',
+            '.cpp',
+            '.cxx'
+        ];
+
+        return extensions.find(ext => uri.path.endsWith(ext)) !== undefined;
+    }
 }
\ No newline at end of file

From f92fde4a20e66bd6144cf748c25a3a9da0e9b97b Mon Sep 17 00:00:00 2001
From: Magyarimiki <249292183+Magyarimiki@users.noreply.github.com>
Date: Fri, 19 Jun 2026 13:15:08 +0200
Subject: [PATCH 2/2] Prevent actions when no supported files present

Signed-off-by: Magyarimiki <249292183+Magyarimiki@users.noreply.github.com>
---
 package.json                   |  4 +---
 src/backend/executor/bridge.ts | 38 ++++++++++++------------------
 src/editor/initialize.ts       |  3 ++-
 src/extension.ts               |  3 +++
 src/utils/files.ts             | 42 ++++++++++++++++++++++++++++++++++
 src/utils/state.ts             |  5 ++++
 6 files changed, 67 insertions(+), 28 deletions(-)
 create mode 100644 src/utils/files.ts
 create mode 100644 src/utils/state.ts

diff --git a/package.json b/package.json
index 8e8e5cb..c3f84b3 100644
--- a/package.json
+++ b/package.json
@@ -31,9 +31,7 @@
     "code analysis"
   ],
   "activationEvents": [
-    "onCommand:codechecker.backend.reloadMetadata",
-    "onView:codechecker.views.overview",
-    "onFileSystem:file"
+    "onStartupFinished"
   ],
   "main": "./dist/extension.js",
   "contributes": {
diff --git a/src/backend/executor/bridge.ts b/src/backend/executor/bridge.ts
index 3b0800f..65ed938 100644
--- a/src/backend/executor/bridge.ts
+++ b/src/backend/executor/bridge.ts
@@ -25,6 +25,8 @@ import { NotificationType } from '../../editor/notifications';
 import { Editor } from '../../editor';
 import { SidebarContainer } from '../../sidebar';
 import { ReportTreeItem } from '../../sidebar/views';
+import { isSupportedFile } from '../../utils/files';
+import { state } from '../../utils/state';
 
 // Structure:
 //   CodeChecker analyzer version: \n {"base_package_version": "M.m.p", ...}
@@ -116,8 +118,10 @@ export class ExecutorBridge implements Disposable {
             ExtensionApi.executorManager
         ));
 
-        this.updateCompilationDatabasePaths();
-        this.checkVersion();
+        if (state.workspaceSupported) {
+            this.updateCompilationDatabasePaths();
+            this.checkVersion();
+        }
     }
 
     dispose() {
@@ -387,13 +391,13 @@ export class ExecutorBridge implements Disposable {
     public async analyzeCurrentFile() {
         const currentFile = window.activeTextEditor?.document.uri;
 
-        if (currentFile !== undefined && this.isSupportedFile(currentFile)) {
+        if (currentFile !== undefined && isSupportedFile(currentFile)) {
             await this.analyzeFile(currentFile);
         }
     }
 
     public async analyzeFile(file: Uri) {
-        if (!await this.checkVersion()) {
+        if (!state.workspaceSupported || !await this.checkVersion()) {
             return;
         }
 
@@ -411,7 +415,7 @@ export class ExecutorBridge implements Disposable {
     }
 
     public async analyzeProject() {
-        if (!await this.checkVersion()) {
+        if (!state.workspaceSupported || !await this.checkVersion()) {
             return;
         }
 
@@ -431,9 +435,10 @@ export class ExecutorBridge implements Disposable {
     }
 
     public async getFileAnalysisStatus() {
-        if (!await this.checkVersion()) {
+        if (!state.workspaceSupported || !await this.checkVersion()) {
             return;
         }
+
         if (this.checkedVersion < [ 6, 27, 0 ]) {
             const statusNode = SidebarContainer.reportsView.getNodeById('statusItem');
             statusNode?.setLabelAndIcon('Status report requires CodeChecker 6.27.0 or higher.');
@@ -579,7 +584,7 @@ export class ExecutorBridge implements Disposable {
     }
 
     public async runLog(buildCommand?: string) {
-        if (!await this.checkVersion()) {
+        if (!state.workspaceSupported || !await this.checkVersion()) {
             return;
         }
 
@@ -599,7 +604,7 @@ export class ExecutorBridge implements Disposable {
     }
 
     public async reloadCheckerData() {
-        if (!await this.checkVersion()) {
+        if (!state.workspaceSupported || !await this.checkVersion()) {
             return;
         }
 
@@ -642,7 +647,7 @@ export class ExecutorBridge implements Disposable {
     }
 
     public async parseMetadata(...files: Uri[]) {
-        if (!await this.checkVersion()) {
+        if (!state.workspaceSupported || !await this.checkVersion()) {
             return;
         }
 
@@ -928,19 +933,4 @@ export class ExecutorBridge implements Disposable {
 
         this._databaseLocationChanged.fire();
     }
-
-    private isSupportedFile(uri: Uri | undefined): boolean {
-        if (uri === undefined) {
-            return false;
-        }
-
-        const extensions = [
-            '.c',
-            '.cc',
-            '.cpp',
-            '.cxx'
-        ];
-
-        return extensions.find(ext => uri.path.endsWith(ext)) !== undefined;
-    }
 }
\ No newline at end of file
diff --git a/src/editor/initialize.ts b/src/editor/initialize.ts
index 033563e..9e2de08 100644
--- a/src/editor/initialize.ts
+++ b/src/editor/initialize.ts
@@ -2,6 +2,7 @@ import { ExtensionContext, Uri, commands, window, workspace } from 'vscode';
 import { ExtensionApi } from '../backend';
 import { Editor } from './editor';
 import { NotificationType } from './notifications';
+import { state } from '../utils/state';
 
 export class FolderInitializer {
     constructor(_ctx: ExtensionContext) {
@@ -27,7 +28,7 @@ export class FolderInitializer {
     async showDialog() {
         const workspaceFolder = workspace.workspaceFolders?.length && workspace.workspaceFolders[0].uri;
 
-        if (!workspaceFolder) {
+        if (!workspaceFolder || !state.workspaceSupported) {
             return;
         }
 
diff --git a/src/extension.ts b/src/extension.ts
index 1f92754..5e38cd0 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -2,6 +2,7 @@ import * as vscode from 'vscode';
 import { ExtensionApi } from './backend';
 import { Editor } from './editor';
 import { SidebarContainer } from './sidebar';
+import { checkWorkspace } from './utils/files';
 
 export interface CodeCheckerExtension {
     extensionApi: typeof ExtensionApi,
@@ -15,6 +16,8 @@ export function activate(context: vscode.ExtensionContext): CodeCheckerExtension
     Editor.init(context);
     SidebarContainer.init(context);
 
+    checkWorkspace();
+
     console.log('Extension "codechecker" activated');
 
     return {
diff --git a/src/utils/files.ts b/src/utils/files.ts
new file mode 100644
index 0000000..53e0920
--- /dev/null
+++ b/src/utils/files.ts
@@ -0,0 +1,42 @@
+import { Uri, workspace } from 'vscode';
+import { state } from './state';
+
+const EXTENSIONS = [
+    '.c',
+    '.cc',
+    '.cpp',
+    '.cxx'
+];
+
+export function isSupportedFile(uri: Uri | undefined): boolean {
+    if (uri === undefined) {
+        return false;
+    }
+
+    return EXTENSIONS.find(ext => uri.path.endsWith(ext)) !== undefined;
+}
+
+export async function isSupportedWorkspace() {
+    const supported = await workspace.findFiles(
+        `**/*.{${EXTENSIONS.join(',')}}`,
+        '**/{node_modules,.git}/**',
+        1
+    );
+
+    return supported.length > 1;
+}
+
+export async function checkWorkspace() {
+    if (workspace.name === undefined) {
+        state.workspaceSupported = false;
+        console.log('No open workspace.');
+        return;
+    }
+    const supported = await isSupportedWorkspace();
+    if (supported) {
+        state.workspaceSupported = true;
+    } else {
+        state.workspaceSupported = false;
+        console.log(`workspace ${workspace.name} does not contain supported files.`);
+    }
+}
\ No newline at end of file
diff --git a/src/utils/state.ts b/src/utils/state.ts
new file mode 100644
index 0000000..f389cef
--- /dev/null
+++ b/src/utils/state.ts
@@ -0,0 +1,5 @@
+export class ExtensionState {
+    public workspaceSupported = false;
+}
+
+export const state = new ExtensionState();
\ No newline at end of file