diff options
Diffstat (limited to '.vim/autoload/omni/cpp/complete.vim')
| -rw-r--r-- | .vim/autoload/omni/cpp/complete.vim | 569 |
1 files changed, 569 insertions, 0 deletions
diff --git a/.vim/autoload/omni/cpp/complete.vim b/.vim/autoload/omni/cpp/complete.vim new file mode 100644 index 0000000..a7e4edc --- /dev/null +++ b/.vim/autoload/omni/cpp/complete.vim @@ -0,0 +1,569 @@ +" Description: Omni completion script for cpp files +" Maintainer: Vissale NEANG +" Last Change: 27 sept. 2007 + +if v:version < 700 + echohl WarningMsg + echomsg "omni#cpp#complete.vim: Please install vim 7.0 or higher for omni-completion" + echohl None + finish +endif + +call omni#cpp#settings#Init() +let s:OmniCpp_ShowScopeInAbbr = g:OmniCpp_ShowScopeInAbbr +let s:OmniCpp_ShowPrototypeInAbbr = g:OmniCpp_ShowPrototypeInAbbr +let s:OmniCpp_ShowAccess = g:OmniCpp_ShowAccess +let s:szCurrentWorkingDir = getcwd() + +" Cache data +let s:CACHE_TAG_POPUP_ITEMS = {} +let s:CACHE_TAG_FILES = {} +let s:CACHE_TAG_ENV = '' +let s:CACHE_OVERLOADED_FUNCTIONS = {} + +" Has preview window? +let s:hasPreviewWindow = match(&completeopt, 'preview')>=0 +let s:hasPreviewWindowOld = s:hasPreviewWindow + +" Popup item list +let s:popupItemResultList = [] + +" May complete indicator +let s:bMayComplete = 0 + +" Init mappings +function! omni#cpp#complete#Init() + call omni#cpp#settings#Init() + set omnifunc=omni#cpp#complete#Main + inoremap <expr> <C-X><C-O> omni#cpp#maycomplete#Complete() + inoremap <expr> . omni#cpp#maycomplete#Dot() + inoremap <expr> > omni#cpp#maycomplete#Arrow() + inoremap <expr> : omni#cpp#maycomplete#Scope() +endfunc + +" Find the start position of the completion +function! s:FindStartPositionOfCompletion() + " Locate the start of the item, including ".", "->" and "[...]". + let line = getline('.') + let start = col('.') - 1 + + let lastword = -1 + while start > 0 + if line[start - 1] =~ '\w' + let start -= 1 + elseif line[start - 1] =~ '\.' + " Searching for dot '.' + if lastword == -1 + let lastword = start + endif + let start -= 1 + elseif start > 1 && line[start - 2] == '-' && line[start - 1] == '>' + " Searching for '->' + if lastword == -1 + let lastword = start + endif + let start -= 2 + elseif start > 1 && line[start - 2] == ':' && line[start - 1] == ':' + " Searching for '::' for namespaces and class + if lastword == -1 + let lastword = start + endif + let start -= 2 + elseif line[start - 1] == ']' + " Skip over [...]. + let n = 0 + let start -= 1 + while start > 0 + let start -= 1 + if line[start] == '[' + if n == 0 + break + endif + let n -= 1 + elseif line[start] == ']' " nested [] + let n += 1 + endif + endwhile + else + break + endif + endwhile + if lastword==-1 + " For completion on the current scope + let lastword = start + endif + return lastword +endfunc + +" Returns if szKey1.szKey2 is in the cache +" @return +" - 0 = key not found +" - 1 = szKey1.szKey2 found +" - 2 = szKey1.[part of szKey2] found +function! s:IsCached(cache, szKey1, szKey2) + " Searching key in the result cache + let szResultKey = a:szKey1 . a:szKey2 + let result = [0, szResultKey] + if a:szKey2 != '' + let szKey = a:szKey2 + while len(szKey)>0 + if has_key(a:cache, a:szKey1 . szKey) + let result[1] = a:szKey1 . szKey + if szKey != a:szKey2 + let result[0] = 2 + else + let result[0] = 1 + endif + break + endif + let szKey = szKey[:-2] + endwhile + else + if has_key(a:cache, szResultKey) + let result[0] = 1 + endif + endif + return result +endfunc + +" Extend a tag item to a popup item +function! s:ExtendTagItemToPopupItem(tagItem, szTypeName) + let tagItem = a:tagItem + + " Add the access + let szItemMenu = '' + let accessChar = {'public': '+','protected': '#','private': '-'} + if g:OmniCpp_ShowAccess + if has_key(tagItem, 'access') && has_key(accessChar, tagItem.access) + let szItemMenu = szItemMenu.accessChar[tagItem.access] + else + let szItemMenu = szItemMenu." " + endif + endif + + " Formating optional menu string we extract the scope information + let szName = substitute(tagItem.name, '.*::', '', 'g') + let szItemWord = szName + let szAbbr = szName + + if !g:OmniCpp_ShowScopeInAbbr + let szScopeOfTag = omni#cpp#utils#ExtractScope(tagItem) + let szItemMenu = szItemMenu.' '.szScopeOfTag[2:] + let szItemMenu = substitute(szItemMenu, '\s\+$', '', 'g') + else + let szAbbr = tagItem.name + endif + if g:OmniCpp_ShowAccess + let szItemMenu = substitute(szItemMenu, '^\s\+$', '', 'g') + else + let szItemMenu = substitute(szItemMenu, '\(^\s\+\)\|\(\s\+$\)', '', 'g') + endif + + " Formating information for the preview window + if index(['f', 'p'], tagItem.kind[0])>=0 + let szItemWord .= '(' + if g:OmniCpp_ShowPrototypeInAbbr && has_key(tagItem, 'signature') + let szAbbr .= tagItem.signature + else + let szAbbr .= '(' + endif + endif + let szItemInfo = '' + if s:hasPreviewWindow + let szItemInfo = omni#cpp#utils#GetPreviewWindowStringFromTagItem(tagItem) + endif + + " If a function is a ctor we add a new key in the tagItem + if index(['f', 'p'], tagItem.kind[0])>=0 + if match(szName, '^\~') < 0 && a:szTypeName =~ '\C\<'.szName.'$' + " It's a ctor + let tagItem['ctor'] = 1 + elseif has_key(tagItem, 'access') && tagItem.access == 'friend' + " Friend function + let tagItem['friendfunc'] = 1 + endif + endif + + " Extending the tag item to a popup item + let tagItem['word'] = szItemWord + let tagItem['abbr'] = szAbbr + let tagItem['menu'] = szItemMenu + let tagItem['info'] = szItemInfo + let tagItem['dup'] = (s:hasPreviewWindow && index(['f', 'p', 'm'], tagItem.kind[0])>=0) + return tagItem +endfunc + +" Get tag popup item list +function! s:TagPopupList(szTypeName, szBase) + let result = [] + + " Searching key in the result cache + let cacheResult = s:IsCached(s:CACHE_TAG_POPUP_ITEMS, a:szTypeName, a:szBase) + + " Building the tag query, we don't forget dtors when a:szBase=='' + if a:szTypeName!='' + " Scope search + let szTagQuery = '^' . a:szTypeName . '::' . a:szBase . '\~\?\w\+$' + else + " Global search + let szTagQuery = '^' . a:szBase . '\w\+$' + endif + + " If the result is already in the cache we return it + if cacheResult[0] + let result = s:CACHE_TAG_POPUP_ITEMS[ cacheResult[1] ] + if cacheResult[0] == 2 + let result = filter(copy(result), 'v:val.name =~ szTagQuery' ) + endif + return result + endif + + try + " Getting tags + let result = omni#common#utils#TagList(szTagQuery) + + " We extend tag items to popup items + call map(result, 's:ExtendTagItemToPopupItem(v:val, a:szTypeName)') + + " We store the result in a cache + if cacheResult[1] != '' + let s:CACHE_TAG_POPUP_ITEMS[ cacheResult[1] ] = result + endif + catch /^TagList:UserInterrupt$/ + endtry + + return result +endfunc + +" Find complete matches for a completion on the global scope +function! s:SearchGlobalMembers(szBase) + if a:szBase != '' + let tagPopupList = s:TagPopupList('', a:szBase) + let tagPopupList = filter(copy(tagPopupList), g:omni#cpp#utils#szFilterGlobalScope) + call extend(s:popupItemResultList, tagPopupList) + endif +endfunc + +" Search class, struct, union members +" @param resolvedTagItem: a resolved tag item +" @param szBase: string base +" @return list of tag items extended to popup items +function! s:SearchMembers(resolvedTagItem, szBase) + let result = [] + if a:resolvedTagItem == {} + return result + endif + + " Get type info without the starting '::' + let szTagName = omni#cpp#utils#ExtractTypeInfoFromTag(a:resolvedTagItem)[2:] + + " Unnamed type case. A tag item representing an unnamed type is a variable + " ('v') a member ('m') or a typedef ('t') + if index(['v', 't', 'm'], a:resolvedTagItem.kind[0])>=0 && has_key(a:resolvedTagItem, 'typeref') + " We remove the 'struct:' or 'class:' etc... + let szTagName = substitute(a:resolvedTagItem.typeref, '^\w\+:', '', 'g') + endif + + return copy(s:TagPopupList(szTagName, a:szBase)) +endfunc + +" Return if the tag env has changed +function! s:HasTagEnvChanged() + if s:CACHE_TAG_ENV == &tags + return 0 + else + let s:CACHE_TAG_ENV = &tags + return 1 + endif +endfunc + +" Return if a tag file has changed in tagfiles() +function! s:HasATagFileOrTagEnvChanged() + if s:HasTagEnvChanged() + let s:CACHE_TAG_FILES = {} + return 1 + endif + + let result = 0 + for tagFile in tagfiles() + if tagFile == "" + continue + endif + + if has_key(s:CACHE_TAG_FILES, tagFile) + let currentFiletime = getftime(tagFile) + if currentFiletime > s:CACHE_TAG_FILES[tagFile] + " The file has changed, updating the cache + let s:CACHE_TAG_FILES[tagFile] = currentFiletime + let result = 1 + endif + else + " We store the time of the file + let s:CACHE_TAG_FILES[tagFile] = getftime(tagFile) + let result = 1 + endif + endfor + return result +endfunc +" Initialization +call s:HasATagFileOrTagEnvChanged() + +" Filter same function signatures of base classes +function! s:FilterOverloadedFunctions(tagPopupList) + let result = [] + for tagPopupItem in a:tagPopupList + if has_key(tagPopupItem, 'kind') && index(['f', 'p'], tagPopupItem.kind[0])>=0 && has_key(tagPopupItem, 'signature') + if !has_key(s:CACHE_OVERLOADED_FUNCTIONS, tagPopupItem.word . tagPopupItem.signature) + let s:CACHE_OVERLOADED_FUNCTIONS[tagPopupItem.word . tagPopupItem.signature] = 1 + call extend(result, [tagPopupItem]) + endif + else + call extend(result, [tagPopupItem]) + endif + endfor + return result +endfunc + +" Access filter +function! s:GetAccessFilter(szFilter, szAccessFilter) + let szFilter = a:szFilter + if g:OmniCpp_DisplayMode == 0 + if a:szAccessFilter == 'public' + " We only get public members + let szFilter .= "&& v:val.access == 'public'" + elseif a:szAccessFilter == 'protected' + " We get public and protected members + let szFilter .= "&& v:val.access != 'private'" + endif + endif + return szFilter +endfunc + +" Filter class members in the popup menu after a completion with -> or . +function! s:FilterClassMembers(tagPopupList, szAccessFilter) + let szFilter = "(!has_key(v:val, 'friendfunc') && !has_key(v:val, 'ctor') && has_key(v:val, 'kind') && index(['m', 'p', 'f'], v:val.kind[0])>=0 && has_key(v:val, 'access'))" + call filter(a:tagPopupList, s:GetAccessFilter(szFilter, a:szAccessFilter)) + call extend(s:popupItemResultList, s:FilterOverloadedFunctions(a:tagPopupList)) +endfunc + +" Filter class scope members in the popup menu after a completion with :: +" We only display attribute and functions members that +" have an access information. We also display nested +" class, struct, union, and enums, typedefs +function! s:FilterClassScopeMembers(tagPopupList, szAccessFilter) + let szFilter = "!has_key(v:val, 'friendfunc') && has_key(v:val, 'kind') && (index(['m', 'p', 'f'], v:val.kind[0])>=0 && has_key(v:val, 'access'))" + let szFilter = s:GetAccessFilter(szFilter, a:szAccessFilter) + let szFilter .= "|| index(['c','e','g','s','t','u'], v:val.kind[0])>=0" + call filter(a:tagPopupList, szFilter) + call extend(s:popupItemResultList, s:FilterOverloadedFunctions(a:tagPopupList)) +endfunc + +" Filter static class members in the popup menu +function! s:FilterStaticClassMembers(tagPopupList, szAccessFilter) + let szFilter = "!has_key(v:val, 'friendfunc') && has_key(v:val, 'kind') && (index(['m', 'p', 'f'], v:val.kind[0])>=0 && has_key(v:val, 'access') && match(v:val.cmd, '\\Cstatic')!=-1)" + let szFilter = s:GetAccessFilter(szFilter, a:szAccessFilter) + let szFilter = szFilter . "|| index(['c','e','g','n','s','t','u','v'], v:val.kind[0])>=0" + call filter(a:tagPopupList, szFilter) + call extend(s:popupItemResultList, s:FilterOverloadedFunctions(a:tagPopupList)) +endfunc + +" Filter scope members in the popup menu +function! s:FilterNamespaceScopeMembers(tagPopupList) + call extend(s:popupItemResultList, a:tagPopupList) +endfunc + +" Init data at the start of completion +function! s:InitComplete() + " Reset the popup item list + let s:popupItemResultList = [] + let s:CACHE_OVERLOADED_FUNCTIONS = {} + + " Reset includes cache when the current working directory has changed + let szCurrentWorkingDir = getcwd() + if s:szCurrentWorkingDir != szCurrentWorkingDir + let s:szCurrentWorkingDir = szCurrentWorkingDir + let g:omni#cpp#includes#CACHE_INCLUDES = {} + let g:omni#cpp#includes#CACHE_FILE_TIME = {} + endif + + " Has preview window ? + let s:hasPreviewWindow = match(&completeopt, 'preview')>=0 + + let bResetCache = 0 + + " Reset tag env or tag files dependent caches + if s:HasATagFileOrTagEnvChanged() + let bResetCache = 1 + endif + + if (s:OmniCpp_ShowScopeInAbbr != g:OmniCpp_ShowScopeInAbbr) + \|| (s:OmniCpp_ShowPrototypeInAbbr != g:OmniCpp_ShowPrototypeInAbbr) + \|| (s:OmniCpp_ShowAccess != g:OmniCpp_ShowAccess) + + let s:OmniCpp_ShowScopeInAbbr = g:OmniCpp_ShowScopeInAbbr + let s:OmniCpp_ShowPrototypeInAbbr = g:OmniCpp_ShowPrototypeInAbbr + let s:OmniCpp_ShowAccess = g:OmniCpp_ShowAccess + let bResetCache = 1 + endif + + if s:hasPreviewWindow != s:hasPreviewWindowOld + let s:hasPreviewWindowOld = s:hasPreviewWindow + let bResetCache = 1 + endif + + if bResetCache + let g:omni#cpp#namespaces#CacheResolve = {} + let s:CACHE_TAG_POPUP_ITEMS = {} + let g:omni#cpp#utils#CACHE_TAG_INHERITS = {} + call garbagecollect() + endif + + " Check for updates + for szIncludeName in keys(g:omni#cpp#includes#CACHE_INCLUDES) + let fTime = getftime(szIncludeName) + let bNeedUpdate = 0 + if has_key(g:omni#cpp#includes#CACHE_FILE_TIME, szIncludeName) + if fTime != g:omni#cpp#includes#CACHE_FILE_TIME[szIncludeName] + let bNeedUpdate = 1 + endif + else + let g:omni#cpp#includes#CACHE_FILE_TIME[szIncludeName] = fTime + let bNeedUpdate = 1 + endif + + if bNeedUpdate + " We have to update include list and namespace map of this file + call omni#cpp#includes#GetList(szIncludeName, 1) + call omni#cpp#namespaces#GetMapFromBuffer(szIncludeName, 1) + endif + endfor + + let s:bDoNotComplete = 0 +endfunc + + +" This function is used for the 'omnifunc' option. +function! omni#cpp#complete#Main(findstart, base) + if a:findstart + "call omni#common#debug#Start() + + call s:InitComplete() + + " Note: if s:bMayComplete==1 g:omni#cpp#items#data is build by MayComplete functions + if !s:bMayComplete + " If the cursor is in a comment we go out + if omni#cpp#utils#IsCursorInCommentOrString() + " Returning -1 is not enough we have to set a variable to let + " the second call of omni#cpp#complete knows that the + " cursor was in a comment + " Why is there a second call when the first call returns -1 ? + let s:bDoNotComplete = 1 + return -1 + endif + + " We get items here (whend a:findstart==1) because GetItemsToComplete() + " depends on the cursor position. + " When a:findstart==0 the cursor position is modified + let g:omni#cpp#items#data = omni#cpp#items#Get(omni#cpp#utils#TokenizeCurrentInstruction()) + endif + + " Get contexts stack + let s:contextStack = omni#cpp#namespaces#GetContexts() + + " Reinit of may complete indicator + let s:bMayComplete = 0 + return s:FindStartPositionOfCompletion() + endif + + " If the cursor is in a comment we return an empty result + if s:bDoNotComplete + let s:bDoNotComplete = 0 + return [] + endif + + if len(g:omni#cpp#items#data)==0 + " A) CURRENT_SCOPE_COMPLETION_MODE + + " 1) Displaying data of each context + let szAccessFilter = 'all' + for szCurrentContext in s:contextStack + if szCurrentContext == '::' + continue + endif + + let resolvedTagItem = omni#cpp#utils#GetResolvedTagItem(s:contextStack, omni#cpp#utils#CreateTypeInfo(szCurrentContext)) + if resolvedTagItem != {} + " We don't search base classes because bases classes are + " already in the context stack + let tagPopupList = s:SearchMembers(resolvedTagItem, a:base) + if index(['c','s'], resolvedTagItem.kind[0])>=0 + " It's a class or struct + call s:FilterClassScopeMembers(tagPopupList, szAccessFilter) + let szAccessFilter = 'protected' + else + " It's a namespace or union, we display all members + call s:FilterNamespaceScopeMembers(tagPopupList) + endif + endif + endfor + + " 2) Displaying global scope members + if g:OmniCpp_GlobalScopeSearch + call s:SearchGlobalMembers(a:base) + endif + else + let typeInfo = omni#cpp#items#ResolveItemsTypeInfo(s:contextStack, g:omni#cpp#items#data) + + if typeInfo != {} + if g:omni#cpp#items#data[-1].kind == 'itemScope' + " B) SCOPE_COMPLETION_MODE + if omni#cpp#utils#GetTypeInfoString(typeInfo)=='' + call s:SearchGlobalMembers(a:base) + else + for resolvedTagItem in omni#cpp#utils#GetResolvedTags(s:contextStack, typeInfo) + let tagPopupList = s:SearchMembers(resolvedTagItem, a:base) + if index(['c','s'], resolvedTagItem.kind[0])>=0 + let szTypeInfo = omni#cpp#utils#ExtractTypeInfoFromTag(resolvedTagItem) + if g:OmniCpp_DisplayMode==0 + " We want to complete a class or struct + " If this class is a base class so we display all class members + if index(s:contextStack, szTypeInfo)<0 + let szAccessFilter = 'public' + call s:FilterStaticClassMembers(tagPopupList, szAccessFilter) + else + let szAccessFilter = (s:contextStack[0] == szTypeInfo)? 'all' : 'protected' + call s:FilterClassScopeMembers(tagPopupList, szAccessFilter) + endif + else + if index(s:contextStack, szTypeInfo)<0 + let szAccessFilter = 'public' + else + let szAccessFilter = (s:contextStack[0] == szTypeInfo)? 'all' : 'protected' + endif + call s:FilterClassScopeMembers(tagPopupList, szAccessFilter) + endif + else + " We want to complete a namespace + call s:FilterNamespaceScopeMembers(tagPopupList) + endif + endfor + endif + else + " C) CLASS_MEMBERS_COMPLETION_MODE + for resolvedTagItem in omni#cpp#utils#GetResolvedTags(s:contextStack, typeInfo) + let szTypeInfo = omni#cpp#utils#ExtractTypeInfoFromTag(resolvedTagItem) + if index(s:contextStack, szTypeInfo)<0 + let szAccessFilter = 'public' + else + let szAccessFilter = (s:contextStack[0] == szTypeInfo)? 'all' : 'protected' + endif + call s:FilterClassMembers(s:SearchMembers(resolvedTagItem, a:base), szAccessFilter) + endfor + endif + endif + endif + + "call omni#common#debug#End() + + return s:popupItemResultList +endfunc |