" Description: Omni completion script for cpp files" Maintainer:  Vissale NEANG" Last Change: 25 jun 2006let g:omni#cpp#includes#CACHE_INCLUDES = {}let g:omni#cpp#includes#CACHE_FILE_TIME = {}let s:rePreprocIncludePart = '\C#\s*include\s*'let s:reIncludeFilePart = '\(<\|"\)\(\f\|\s\)\+\(>\|"\)'let s:rePreprocIncludeFile = s:rePreprocIncludePart . s:reIncludeFilePart" Get the include list of a filefunction! omni#cpp#includes#GetList(...)    if a:0 > 0        return s:GetIncludeListFromFile(a:1, (a:0 > 1)? a:2 : 0 )    else        return s:GetIncludeListFromCurrentBuffer()    endifendfunc" Get the include list from the current bufferfunction! s:GetIncludeListFromCurrentBuffer()    let listIncludes = []    let originalPos = getpos('.')    call setpos('.', [0, 1, 1, 0])    let curPos = [1,1]    let alreadyInclude = {}    while curPos != [0,0]        let curPos = searchpos('\C\(^'.s:rePreprocIncludeFile.'\)', 'W')        if curPos != [0,0]            let szLine = getline('.')            let startPos = curPos[1]            let endPos = matchend(szLine, s:reIncludeFilePart, startPos-1)            if endPos!=-1                let szInclusion = szLine[startPos-1:endPos-1]                let szIncludeFile = substitute(szInclusion, '\('.s:rePreprocIncludePart.'\)\|[<>""]', '', 'g')                let szResolvedInclude = omni#cpp#utils#ResolveFilePath(szIncludeFile)                " Protection over self inclusion                if szResolvedInclude != '' && szResolvedInclude != omni#cpp#utils#ResolveFilePath(getreg('%'))                    let includePos = curPos                    if !has_key(alreadyInclude, szResolvedInclude)                        call extend(listIncludes, [{'pos' : includePos, 'include' : szResolvedInclude}])                        let alreadyInclude[szResolvedInclude] = 1                    endif                endif            endif        endif    endwhile    call setpos('.', originalPos)    return listIncludesendfunc" Get the include list from a filefunction! s:GetIncludeListFromFile(szFilePath, bUpdate)     let listIncludes = []    if a:szFilePath == ''        return listIncludes    endif    if !a:bUpdate && has_key(g:omni#cpp#includes#CACHE_INCLUDES, a:szFilePath)        return copy(g:omni#cpp#includes#CACHE_INCLUDES[a:szFilePath])    endif    let g:omni#cpp#includes#CACHE_FILE_TIME[a:szFilePath] = getftime(a:szFilePath)    let szFixedPath = escape(a:szFilePath, g:omni#cpp#utils#szEscapedCharacters)    execute 'silent! lvimgrep /\C\(^'.s:rePreprocIncludeFile.'\)/gj '.szFixedPath    let listQuickFix = getloclist(0)    let alreadyInclude = {}    for qf in listQuickFix        let szLine = qf.text        let startPos = qf.col        let endPos = matchend(szLine, s:reIncludeFilePart, startPos-1)        if endPos!=-1            let szInclusion = szLine[startPos-1:endPos-1]            let szIncludeFile = substitute(szInclusion, '\('.s:rePreprocIncludePart.'\)\|[<>""]', '', 'g')            let szResolvedInclude = omni#cpp#utils#ResolveFilePath(szIncludeFile)                        " Protection over self inclusion            if szResolvedInclude != '' && szResolvedInclude != a:szFilePath                let includePos = [qf.lnum, qf.col]                if !has_key(alreadyInclude, szResolvedInclude)                    call extend(listIncludes, [{'pos' : includePos, 'include' : szResolvedInclude}])                    let alreadyInclude[szResolvedInclude] = 1                endif            endif        endif    endfor    let g:omni#cpp#includes#CACHE_INCLUDES[a:szFilePath] = listIncludes    return copy(listIncludes)endfunc" For debug purposefunction! omni#cpp#includes#Display()    let szPathBuffer = omni#cpp#utils#ResolveFilePath(getreg('%'))    call s:DisplayIncludeTree(szPathBuffer, 0)endfunc" For debug purposefunction! s:DisplayIncludeTree(szFilePath, indent, ...)    let includeGuard = {}    if a:0 >0        let includeGuard = a:1    endif    let szFilePath = omni#cpp#utils#ResolveFilePath(a:szFilePath)    if has_key(includeGuard, szFilePath)        return    else        let includeGuard[szFilePath] = 1    endif    let szIndent = repeat('    ', a:indent)    echo szIndent . a:szFilePath    let incList = omni#cpp#includes#GetList(a:szFilePath)    for inc in incList        call s:DisplayIncludeTree(inc.include, a:indent+1, includeGuard)    endforendfunc