Crystal REVS for C++

Crystal REVS is the best context-sensitive editor there is.

Review Code in No Time
Create Flowchart from Source for a clear view of the code
Verify correctness of function. Detect errors
Use Flowcharts for quick Code-reviews
View Flowcharts ? level wise, optimal, loops, conditions, area wise.
Code and Flowchart Synchronization when browsing
Comment-based flowcharts for a wider audience.
Export flowcharts to BMP/JPEG/VISIO formats.