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I'm trying to highlight the keywords for my c++ project.

So what I've done is to create a file here: ~/.vim/after/syntax/cpp.vim and put some custom configuration into it.

For example, putting the lines as below can highlight the class name:

hi CustomClassName guifg=NONE guibg=NONE guisp=NONE gui=bold ctermfg=lightgreen ctermbg=NONE cterm=bold
syn match cCustomClassName "\(^class\s*\)\@<=\w\+"
hi def link cCustomClassName CustomClassName

However, this can only highlight the class name while the class declaration. enter image description here

As you see, the Test at the line 8 is highlighted whereas the next Test at the line 9 isn't.

In a word, I can set the highlight for the declaration class because I can use the regex to match the keyword class. But the codes like the line 9 can't be matched by the regex. It seems that I should use some method to find the codes like the line 9 dynamically and highlight them.

I'm thinking if I can set an array to store all custom class name and highlight them but I don't know how to do it.

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