I haven't used NetBeans, but Eclipse CDT (C Developer Tools, which includes C++), especially with the latest version, is really quite excellent:
- Syntax checking and spell checking
- Syntax highlighting that distinguishes between library calls and your function calls and between local and member variables and is even applied to code that's #ifdef'ed out
- Macro expansion that can step you through each level of macro application or show the final result even of very complex Boost Preprocessor macros
- A file and class outline view that updates dynamically to show where you are in a file. (Commercial IDE's I've used fail to do this.)
- Powerful, flexible Find/Replace and Find in Files features with complete Perl-style regex support. It's also supposed to be able to do a C/C++ Find in Files that can search based on language semantics (e.g., only find references, not declarations), although this sometimes doesn't work for me.
- Automatic tracking of TODO and other comment tags
- Mouseover tips that show the exact declaration of a variable or function, including any comments, instead of just where a variable or function is declared. (Again, commercial IDE's I've used fail to do this.)
- Support via plugins for Subversion, Doxygen, etc.
- Some refactoring support - rename, extract constant, extract function, a few others
- Code reformatter, based on user-definable code styles
You'd asked specifically about its editor; the Eclipse editor is good enough that I use it in preference to the commercial IDE for our product whenever I don't need the commercial IDE's forms designer.
Eclipse's debugger integration (using gdb) is tolerable but not great, and its memory usage is high. A few features (like the C/C++ Find in Files) don't work reliably or require reindexing (which is time consuming) for no apparent reason, but the latest version seems more reliable in this regard.
Can someone who's used NetBeans fill in how it compares?
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