[VIM] vimfiles/syntax/ cpp.vim and h.vim

"Alaestor (FGL 2017)
"credit to stackoverflow's Janosimas and Ragnar
syn match fgl_cppParen "?=(" contains=cParen,cCppParen
syn match fgl_cppFunction "\w\+\s*(\@=" contains=fgl_cppParen
syn match fgl_cppScope "::"
syn match fgl_cppNamespace "\w\+\s*::" contains=fgl_cppScope

hi def link fgl_cppFunction Function
hi def link fgl_cppScope Operator
hi def link fgl_cppNamespace StorageClass

"credit to stackoverflow's DrAl (added <= >=)
syn match fgl_cppOperators display '[-&|+<>=*/!~]\@<!\%(\([-&|+<>=]\)\1\?\|->\|<=\|>=\|[-+*/%&^|!]=\|[*?,!~%]\|\([<>]\)\2=\)[-&|+<>=*/!~]\@!'
syn match fgl_cppOperators display ';'
hi link fgl_cppOperators Operator