SafeCpp — VS Code Extension

Real-time C++ memory safety analysis powered by SafeCpp and Clang LibTooling.

Features

• Squiggly underlines on use-after-free, null dereferences, memory leaks, and cross-function UAF — inline, as you save
• Hover tooltips explaining what went wrong and how to fix it
• Problems panel integration (Ctrl+Shift+M) showing all findings across your project
• Status bar showing issue count — click to open the full HTML report
• Related information links: for UAF, the error points to the use site and a related location link shows the free site
• Dark/light theme in HTML reports

Requirements

The safecpp binary must be installed and on your PATH (or configured in settings).

Quick install:

# From source
git clone https://github.com/you/safecpp && cd safecpp && make
sudo cp safecpp /usr/local/bin/

Usage

1. Open any .cpp or .c file
2. Save it — analysis runs automatically
3. See squiggly underlines for any violations
4. Check the Problems panel (Ctrl+Shift+M) for the full list
5. Click the SafeCpp: N issues status bar item to open the HTML report

Commands

Settings

Example

void example() {
    int* ptr = new int(42);
    delete ptr;
    int val = *ptr;  // ← red squiggly: use-after-free
    //  SafeCpp: Use-after-free: 'ptr' freed at line 3, used here
}