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A static code analyzer for C++, C#, Lua
C++ Other
  1. C++ 99.2%
  2. Other 0.8%
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samples TscanCode V2.14.24 released Feb 24, 2018
trunk TscanCode V2.14.24 released Feb 24, 2018
.gitignore add TscanCode 2.14 packages Feb 24, 2018 update README&CHANGELOG Feb 24, 2018
LICENSE add docs Nov 24, 2017 update README&CHANGELOG Feb 24, 2018


Release version

A fast and accurate static analysis solution for C/C++, C#, Lua codes

Tencent is pleased to support the open source community by making TscanCode available.

Copyright (C) 2017 Tencent company and TscanCode Team. All rights reserved.


TscanCode is devoted to help programmers to find out code defects at the very beginning.

  • TscanCode supports multi-language: C/C++, C# and Lua codes;
  • TscanCode is fast and accurate, The performance can be 200K lines per minute and the accuracy rate is about 90%;
  • TscanCode is easy to use, It doesn't require strict compiling enviroment and one single command can make it work;
  • TscanCode is extensible, you can implement your own checks with TscanCode.

Highlights in v2.14.24 (2018-02-24)

  • Rule Package was released on GUI, easier for rule customization;
  • GUI supports marking false-positive errors now.

For other changes please refer to change log.


Any C++11 compiler should work. For compilers with partial C++11 support it may work. If your compiler has the C++11 features that are available in Visual Studio 2015 then it will work. If nullptr is not supported by your compiler then this can be emulated using the header lib/cxx11emu.h.

There are multiple compilation choices:

  • Windows: Visual Studio (Visual Studio 2015 and above)
  • Linux: g++ 4.6 (or later)
  • Mac: clang++

Visual Studio

Use the tsancode.sln file. The file is configured for Visual Studio 2015, but the platform toolset can be changed easily to older or newer versions. The solution contains platform targets for both x86 and x64.

Select option Release to build release version.

g++ or clang++

Simple build (no dependencies):


Usage at a glance

This simple example contains a potential null pointer defect. Checking if p is null indicates that p might be null, so dereferencing p *p is not safe outside the if-scope.

// func.cpp
void func(int* p) {
    if(p == NULL) {
        printf("p is null!");

    printf("p is %d", *p);

Run TscanCode:

./tscancode --xml func.cpp 2>result.xml

Error list, result.xml:

<?xml version="1.0" encoding="UTF-8"?>
    <error file="func.cpp" line="7" id="nullpointer" subid="dereferenceAfterCheck" severity="error" 
           msg="Comparing [p] to null at line 3 implies [p] might be null. Dereferencing null pointer [p]." />

There are more examples:

For now, codes under trunk are only for TscanCode CPP version, C# and Lua version are in the internal review process. Sorry for the inconvenience.

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