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.
Code-only, Comment-only and Code+Comment flowcharts.
Print large flowcharts on a single page.
Code is Easy-to-read:
Auto-Formatting of Code and Comments.
Line up object-names in successive declarations.
Line up assignment operators in assignments.
Split and indent long expressions as per operator precedence
Transform hard-to-read code into very readable code.
Improved code readability. Detect errors easily
Editing and Formatting in Real Time
Tokens and Comments Panel for easy code entry
File/Project/Function Call-Trees, Caller Trees, Include Trees & Include By Trees, Paths.
Premium Code/Comment Browsing
Project Level - Word/Object/Modified Object/Regular Expression/Lexical Search
Software Metrics - McCabes, Halstead
HTML documents of source+comments (Javadoc like!). No need to maintain HTML documents - just comment code with Comments Panel. Cross-reference for all identifiers, Color Coded Metrics display.
Import projects from VC++. Visual Studio.Net, Borland
Language Extensions + Keil Compiler Support
Rules: MISRA C Static Checking
DataFlow: Rich Trees, Data Flows for an object, Call Flow, and Flowcharts with inline expansion.
Docs: Flowcharts, trees, Source Code listing with full-fledged browsing in HTML docs.
Professional: Base+Rules+Docs Editions
ProPlus: All the above + Full Project Flowchart