How to use cscope for a project which has .c , .cpp and .h files?

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I am working on a project which requires the understanding of llvm compiler source-code. To browse source code of llvm, I tried to use cscope with following command in the root directory of the source:

cscope -R *

But it doesn't work. As there are mainly .cpp and .h files but some .c files are also there. So now I don't have a clue how to make cscope work? Can someone please help?

cscope llvm c c++
5 Answers

I have following in my .bashrc which make things easier. Run cscope_build() to generate data base and cscope to start cscope tool.

# Use vim to edit files
export CSCOPE_EDITOR=`which vim`

# Generate cscope database
function cscope_build() {
  # Generate a list of all source files starting from the current directory
  # The -o means logical or
  find . -name "*.c" -o -name "*.cc" -o -name "*.cpp" -o -name "*.h" -o -name "*.hh" -o -name "*.hpp" > cscope.files
  # -q build fast but larger database
  # -R search symbols recursively
  # -b build the database only, don't fire cscope
  # -i file that contains list of file paths to be processed
  # This will generate a few cscope.* files
  cscope -q -R -b -i cscope.files
  # Temporary files, remove them
  # rm -f cscope.files cscope.in.out cscope.po.out
  echo "The cscope database is generated"
}
# -d don't build database, use kscope_generate explicitly
alias cscope="cscope -d"
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