void CodeCompletionsExtractor::extractHasParameters()
{
const uint completionChunkCount = clang_getNumCompletionChunks(currentCxCodeCompleteResult.CompletionString);
for (uint chunkIndex = 0; chunkIndex < completionChunkCount; ++chunkIndex) {
const CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(currentCxCodeCompleteResult.CompletionString, chunkIndex);
if (chunkKind == CXCompletionChunk_LeftParen) {
const CXCompletionChunkKind nextChunkKind = clang_getCompletionChunkKind(currentCxCodeCompleteResult.CompletionString, chunkIndex + 1);
currentCodeCompletion_.setHasParameters(nextChunkKind != CXCompletionChunk_RightParen);
return;
}
}
}
void print_completion_string(CXCompletionString completion_string, FILE *file) {
int I, N;
N = clang_getNumCompletionChunks(completion_string);
for (I = 0; I != N; ++I) {
CXString text;
const char *cstr;
enum CXCompletionChunkKind Kind
= clang_getCompletionChunkKind(completion_string, I);
if (Kind == CXCompletionChunk_Optional) {
fprintf(file, "{Optional ");
print_completion_string(
clang_getCompletionChunkCompletionString(completion_string, I),
file);
fprintf(file, "}");
continue;
}
text = clang_getCompletionChunkText(completion_string, I);
cstr = clang_getCString(text);
fprintf(file, "{%s %s}",
clang_getCompletionChunkKindSpelling(Kind),
cstr ? cstr : "");
clang_disposeString(text);
}
}
void CompletionData::ExtractDataFromChunk( CXCompletionString completion_string,
size_t chunk_num,
bool &saw_left_paren,
bool &saw_function_params,
bool &saw_placeholder ) {
CXCompletionChunkKind kind = clang_getCompletionChunkKind(
completion_string, chunk_num );
if ( IsMainCompletionTextInfo( kind ) ) {
if ( kind == CXCompletionChunk_LeftParen ) {
saw_left_paren = true;
} else if ( saw_left_paren &&
!saw_function_params &&
kind != CXCompletionChunk_RightParen &&
kind != CXCompletionChunk_Informative ) {
saw_function_params = true;
everything_except_return_type_.append( " " );
} else if ( saw_function_params && kind == CXCompletionChunk_RightParen ) {
everything_except_return_type_.append( " " );
}
if ( kind == CXCompletionChunk_Optional ) {
everything_except_return_type_.append(
OptionalChunkToString( completion_string, chunk_num ) );
} else {
everything_except_return_type_.append(
ChunkToString( completion_string, chunk_num ) );
}
}
switch ( kind ) {
case CXCompletionChunk_ResultType:
return_type_ = ChunkToString( completion_string, chunk_num );
break;
case CXCompletionChunk_Placeholder:
saw_placeholder = true;
break;
case CXCompletionChunk_TypedText:
case CXCompletionChunk_Text:
// need to add paren to insert string
// when implementing inherited methods or declared methods in objc.
case CXCompletionChunk_LeftParen:
case CXCompletionChunk_RightParen:
case CXCompletionChunk_HorizontalSpace:
if ( !saw_placeholder ) {
original_string_ += ChunkToString( completion_string, chunk_num );
}
break;
default:
break;
}
}
void CodeCompletionsExtractor::extractText()
{
const uint completionChunkCount = clang_getNumCompletionChunks(currentCxCodeCompleteResult.CompletionString);
for (uint chunkIndex = 0; chunkIndex < completionChunkCount; ++chunkIndex) {
const CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(currentCxCodeCompleteResult.CompletionString, chunkIndex);
if (chunkKind == CXCompletionChunk_TypedText) {
currentCodeCompletion_.setText(CodeCompletionChunkConverter::chunkText(currentCxCodeCompleteResult.CompletionString, chunkIndex));
break;
}
}
}
static CXString get_result_typed_text(CXCompletionResult *r)
{
unsigned int chunks_n = clang_getNumCompletionChunks(r->CompletionString);
for (unsigned int i = 0; i < chunks_n; ++i) {
enum CXCompletionChunkKind kind;
kind = clang_getCompletionChunkKind(r->CompletionString, i);
if (kind == CXCompletionChunk_TypedText)
return clang_getCompletionChunkText(r->CompletionString, i);
}
CXString empty = {0,0};
return empty;
}
bool CodeCompletionsExtractor::hasText(const Utf8String &text, CXCompletionString cxCompletionString) const
{
const uint completionChunkCount = clang_getNumCompletionChunks(cxCompletionString);
for (uint chunkIndex = 0; chunkIndex < completionChunkCount; ++chunkIndex) {
const CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(cxCompletionString, chunkIndex);
if (chunkKind == CXCompletionChunk_TypedText) {
const ClangString currentText(clang_getCompletionChunkText(cxCompletionString, chunkIndex));
return text == currentText;
}
}
return false;
}
static size_t count_type_chars(CXCompletionResult *r)
{
unsigned int chars = 0;
unsigned int chunks_n = clang_getNumCompletionChunks(r->CompletionString);
for (unsigned int i = 0; i < chunks_n; ++i) {
enum CXCompletionChunkKind kind;
kind = clang_getCompletionChunkKind(r->CompletionString, i);
if (kind == CXCompletionChunk_ResultType) {
CXString s = clang_getCompletionChunkText(r->CompletionString, i);
chars += strlen(clang_getCString(s));
clang_disposeString(s);
}
}
return chars;
}
void CodeCompletionsExtractor::extractMacroCompletionKind()
{
CXCompletionString cxCompletionString = cxCodeCompleteResults->Results[cxCodeCompleteResultIndex].CompletionString;
const uint completionChunkCount = clang_getNumCompletionChunks(cxCompletionString);
for (uint chunkIndex = 0; chunkIndex < completionChunkCount; ++chunkIndex) {
CXCompletionChunkKind kind = clang_getCompletionChunkKind(cxCompletionString, chunkIndex);
if (kind == CXCompletionChunk_Placeholder) {
currentCodeCompletion_.setCompletionKind(CodeCompletion::FunctionCompletionKind);
return;
}
}
currentCodeCompletion_.setCompletionKind(CodeCompletion::PreProcessorCompletionKind);
}
const char*
cc_result_entryname(CXCompletionString cs) {
int num = clang_getNumCompletionChunks(cs);
if(clang_getCompletionAvailability(cs) == CXAvailability_Available && num >= 1) {
int i;
for(i=0; i<num; i++) {
int type = clang_getCompletionChunkKind(cs, i);
if(type == CXCompletionChunk_TypedText){
CXString str = clang_getCompletionChunkText(cs, i);
return clang_getCString(str);
}
}
return NULL;
}else {
return NULL;
}
}
std::string
CompletionData::OptionalChunkToString( CXCompletionString completion_string,
size_t chunk_num ) {
std::string final_string;
if ( !completion_string )
return final_string;
CXCompletionString optional_completion_string =
clang_getCompletionChunkCompletionString( completion_string, chunk_num );
if ( !optional_completion_string )
return final_string;
size_t optional_num_chunks = clang_getNumCompletionChunks(
optional_completion_string );
for ( size_t j = 0; j < optional_num_chunks; ++j ) {
CXCompletionChunkKind kind = clang_getCompletionChunkKind(
optional_completion_string, j );
if ( kind == CXCompletionChunk_Optional ) {
final_string.append( OptionalChunkToString( optional_completion_string,
j ) );
}
else if ( kind == CXCompletionChunk_Placeholder ) {
final_string.append(
"[" + ChunkToString( optional_completion_string, j ) + "]" );
}
else if ( kind == CXCompletionChunk_CurrentParameter ) {
current_arg_ = "[" + ChunkToString( optional_completion_string, j ) + "]";
final_string.append( "☞ " + current_arg_ );
}
else {
final_string.append( ChunkToString( optional_completion_string, j ) );
}
}
return final_string;
}
OovStringVec Tokenizer::codeComplete(size_t offset)
{
CLangAutoLock lock(mCLangLock, __LINE__, this);
OovStringVec strs;
unsigned options = 0;
// This gets more than we want.
// unsigned options = clang_defaultCodeCompleteOptions();
unsigned int line;
unsigned int column;
getLineColumn(offset, line, column);
CXCodeCompleteResults *results = clang_codeCompleteAt(mTransUnit,
mSourceFilename.getStr(), line, column,
nullptr, 0, options);
if(results)
{
clang_sortCodeCompletionResults(&results->Results[0], results->NumResults);
for(size_t ri=0; ri<results->NumResults /*&& ri < 50*/; ri++)
{
OovString str;
CXCompletionString compStr = results->Results[ri].CompletionString;
size_t numChunks = clang_getNumCompletionChunks(compStr);
for(size_t ci=0; ci<numChunks && ci < 30; ci++)
{
CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(compStr, ci);
// We will discard return values from functions, so the first
// chunk returned will be the identifier or function name. Function
// arguments will be returned after a space, so they can be
// discarded easily.
if(chunkKind == CXCompletionChunk_TypedText || str.length())
{
std::string chunkStr = getDisposedString(clang_getCompletionChunkText(compStr, ci));
if(str.length() != 0)
str += ' ';
str += chunkStr;
}
}
strs.push_back(str);
}
clang_disposeCodeCompleteResults(results);
}
return strs;
}
/* Print the completion line except the header term (COMPLETION: TypedText),
* the output format should be identical with the result of clang -cc1
* -code-completion-at. Here are some sample outputs from the clang code
* completion process:
COMPLETION: short
COMPLETION: signed
COMPLETION: static
COMPLETION: Pattern : static_cast<<#type#>>(<#expression#>)
COMPLETION: struct
* However, here we don't handle Pattern explicitly because the emacs
* script would simply drop those pattern lines with an regexp T T
*/
static void completion_printAllCompletionTerms(
CXCompletionString completion_string, FILE *fp)
{
int i_chunk = 0;
int n_chunks = clang_getNumCompletionChunks(completion_string);
CXString chk_text;
enum CXCompletionChunkKind chk_kind;
for ( ; i_chunk < n_chunks; i_chunk++)
{
/* get the type and completion text of this chunk */
chk_kind = clang_getCompletionChunkKind(completion_string, i_chunk);
chk_text = clang_getCompletionChunkText(completion_string, i_chunk);
/* differenct kinds of chunks has various output formats */
switch (chk_kind)
{
case CXCompletionChunk_Placeholder:
fprintf(fp, "<#%s#>", clang_getCString(chk_text));
break;
case CXCompletionChunk_ResultType:
fprintf(fp, "[#%s#]", clang_getCString(chk_text));
break;
case CXCompletionChunk_Optional:
/* print optional term in a recursive way */
fprintf(fp, "{#");
completion_printAllCompletionTerms(
clang_getCompletionChunkCompletionString(completion_string, i_chunk),
fp);
fprintf(fp, "#}");
break;
default:
fprintf(fp, "%s", clang_getCString(chk_text));
}
clang_disposeString(chk_text);
}
}
void GmacsPreprocessor::codeCompletion(const QTextCursor &cursor)
{
int line = cursor.blockNumber();
int column = cursor.columnNumber();
//const char *name = filename->toLocal8Bit().data();
const char *name = clang_getCString(clang_getTranslationUnitSpelling(unit));
//qDebug() << cursor.document()->toPlainText();
//qDebug() << cursor.document()->toPlainText().size();
QString document = cursor.document()->toPlainText();
QString text = cursor.block().text();
QRegExp exp("\t");
int tab_count = text.count(exp);
fprintf(stderr, "column = [%d]\n", cursor.positionInBlock());
//unsaved_file->Filename = name;
//unsaved_file->Contents = document.toLocal8Bit().data();
//unsaved_file->Length = document.size();
if (!unit) return;
CLANG_REPARSE(unit, NULL);//unsaved_file);
fprintf(stderr, "line = [%d], column = [%d]\n", line+1, column + tab_count);
fprintf(stderr, "name = [%s]\n", name);
CXCodeCompleteResults *res = CLANG_CODE_COMPLETION(unit, name, line+1, column + tab_count);
if (!res) fprintf(stderr, "ERROR: could not complete\n");
for (size_t i = 0; i < clang_codeCompleteGetNumDiagnostics(res); i++) {
const CXDiagnostic &diag = clang_codeCompleteGetDiagnostic(res, i);
const CXString &s = clang_getDiagnosticSpelling(diag);
fprintf(stderr, "%s\n", clang_getCString(s));
}
unsigned num_results = res->NumResults;
fprintf(stderr, "num_results = [%d]\n");
for (unsigned i = 0; i < num_results; i++) {
const CXCompletionString& str = res->Results[i].CompletionString;
unsigned chunks = clang_getNumCompletionChunks(str);
for (unsigned j = 0; j < chunks; j++) {
const CXString& out = clang_getCompletionChunkText(str, j);
//std::cout << clang_getCString(out) << " ";
if (clang_getCompletionChunkKind(str, j) != CXCompletionChunk_TypedText)
continue;
}
//std::cout << std::endl;
}
clang_disposeCodeCompleteResults(res);
}
static int make_ac_proposal(struct make_ac_ctx *ctx, struct ac_proposal *p,
CXCompletionResult *r, str_t *fmt)
{
unsigned int chunks_n;
chunks_n = clang_getNumCompletionChunks(r->CompletionString);
str_clear(ctx->word);
str_clear(ctx->abbr);
str_clear(ctx->type);
str_clear(ctx->text);
for (unsigned int i = 0; i < chunks_n; ++i) {
enum CXCompletionChunkKind kind;
CXString s;
kind = clang_getCompletionChunkKind(r->CompletionString, i);
s = clang_getCompletionChunkText(r->CompletionString, i);
switch (kind) {
case CXCompletionChunk_ResultType:
str_add_printf(&ctx->type, "%s", clang_getCString(s));
break;
case CXCompletionChunk_TypedText:
str_add_cstr(&ctx->word, clang_getCString(s));
default:
str_add_cstr(&ctx->text, clang_getCString(s));
break;
}
clang_disposeString(s);
}
if (ctx->type->len > MAX_TYPE_CHARS) {
ctx->type->len = MAX_TYPE_CHARS-1;
str_add_cstr(&ctx->type, "…");
}
str_add_printf(&ctx->abbr, fmt->data,
ctx->type->data, ctx->text->data);
p->abbr = strdup(ctx->abbr->data);
p->word = strdup(ctx->word->data);
return 1;
}
void CompletionData::ExtractDataFromChunk( CXCompletionString completion_string,
uint chunk_num,
bool &saw_left_paren,
bool &saw_function_params ) {
CXCompletionChunkKind kind = clang_getCompletionChunkKind(
completion_string, chunk_num );
if ( IsMainCompletionTextInfo( kind ) ) {
if ( kind == CXCompletionChunk_LeftParen ) {
saw_left_paren = true;
}
else if ( saw_left_paren &&
!saw_function_params &&
kind != CXCompletionChunk_RightParen &&
kind != CXCompletionChunk_Informative ) {
saw_function_params = true;
everything_except_return_type_.append( " " );
}
else if ( saw_function_params && kind == CXCompletionChunk_RightParen ) {
everything_except_return_type_.append( " " );
}
if ( kind == CXCompletionChunk_Optional ) {
everything_except_return_type_.append(
OptionalChunkToString( completion_string, chunk_num ) );
}
else {
everything_except_return_type_.append(
ChunkToString( completion_string, chunk_num ) );
}
}
if ( kind == CXCompletionChunk_ResultType )
return_type_ = ChunkToString( completion_string, chunk_num );
if ( kind == CXCompletionChunk_TypedText )
original_string_ = ChunkToString( completion_string, chunk_num );
}
static int completion_printCompletionHeadTerm(
CXCompletionString completion_string, FILE *fp)
{
int i_chunk = 0;
int n_chunks = clang_getNumCompletionChunks(completion_string);
CXString ac_string;
/* inspect all chunks only to find the TypedText chunk */
for ( ; i_chunk < n_chunks; i_chunk++)
{
if (clang_getCompletionChunkKind(completion_string, i_chunk)
== CXCompletionChunk_TypedText)
{
/* We got it, just dump it to fp */
ac_string = clang_getCompletionChunkText(completion_string, i_chunk);
fprintf(fp, "COMPLETION: %s", clang_getCString(ac_string));
clang_disposeString(ac_string);
return n_chunks; /* care package on the way */
}
}
return -1; /* We haven't found TypedText chunk in completion_string */
}
/* Print "COMPLETION: " followed by the TypedText chunk of the completion
* string to fp, that's the text that a user would be expected to type to get
* this code-completion result. TypedText is the keyword for the client program
* (emacs script in this case) to filter completion results.
*
* Only prints a completion if it matches the given prefix.
*
* This function returns the number of matching completion chunks on success, or it
* would return an -1 if no matching TypedText chunk was found.
*/
static int completion_printCompletionHeadTerm(
CXCompletionString completion_string, FILE *fp, char *prefix)
{
int i_chunk = 0;
int n_chunks = clang_getNumCompletionChunks(completion_string);
CXString ac_string;
/* inspect all chunks only to find the TypedText chunk */
for ( ; i_chunk < n_chunks; i_chunk++) {
if (clang_getCompletionChunkKind(completion_string, i_chunk) == CXCompletionChunk_TypedText) {
/* We got it, dump it to fp if it matches the prefix */
ac_string = clang_getCompletionChunkText(completion_string, i_chunk);
char *cstring = (char *)clang_getCString(ac_string);
if (isPrefix(prefix, cstring) > 0) {
return -1;
}
fprintf(fp, "COMPLETION: %s", cstring);
clang_disposeString(ac_string);
return n_chunks; /* care package on the way */
}
}
return -1; /* We haven't found TypedText chunk in completion_string */
}
void ClangDriver::DoParseCompletionString(CXCompletionString str,
int depth,
wxString& entryName,
wxString& signature,
wxString& completeString,
wxString& returnValue)
{
bool collectingSignature = false;
int numOfChunks = clang_getNumCompletionChunks(str);
for(int j = 0; j < numOfChunks; j++) {
CXString chunkText = clang_getCompletionChunkText(str, j);
CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(str, j);
switch(chunkKind) {
case CXCompletionChunk_TypedText:
entryName = wxString(clang_getCString(chunkText), wxConvUTF8);
completeString += entryName;
break;
case CXCompletionChunk_ResultType:
completeString += wxString(clang_getCString(chunkText), wxConvUTF8);
completeString += wxT(" ");
returnValue = wxString(clang_getCString(chunkText), wxConvUTF8);
break;
case CXCompletionChunk_Optional: {
// Optional argument
CXCompletionString optStr = clang_getCompletionChunkCompletionString(str, j);
wxString optionalString;
wxString dummy;
// Once we hit the 'Optional Chunk' only the 'completeString' is matter
DoParseCompletionString(optStr, depth + 1, dummy, dummy, optionalString, dummy);
if(collectingSignature) {
signature += optionalString;
}
completeString += optionalString;
} break;
case CXCompletionChunk_LeftParen:
collectingSignature = true;
signature += wxT("(");
completeString += wxT("(");
break;
case CXCompletionChunk_RightParen:
collectingSignature = true;
signature += wxT(")");
completeString += wxT(")");
break;
default:
if(collectingSignature) {
signature += wxString(clang_getCString(chunkText), wxConvUTF8);
}
completeString += wxString(clang_getCString(chunkText), wxConvUTF8);
break;
}
clang_disposeString(chunkText);
}
// To make this tag compatible with ctags one, we need to place
// a /^ and $/ in the pattern string (we add this only to the top level completionString)
if(depth == 0) {
completeString.Prepend(wxT("/^ "));
completeString.Append(wxT(" $/"));
}
}
void CompletionThread::process(Request *request)
{
// if (!request->unsaved.isEmpty()) {
// int line = request->location.line();
// int pos = 0;
// while (line > 1) {
// int p = request->unsaved.indexOf('\n', pos);
// if (p == -1) {
// pos = -1;
// break;
// }
// pos = p + 1;
// --line;
// }
// if (pos != -1) {
// int end = request->unsaved.indexOf('\n', pos);
// if (end == -1)
// end = request->unsaved.size();
// error("Completing at %s:%d:%d line: [%s]\n",
// request->location.path().constData(),
// request->location.line(),
// request->location.column(),
// request->unsaved.mid(pos, end - pos).constData());
// }
// }
StopWatch sw;
int parseTime = 0;
int reparseTime = 0;
int completeTime = 0;
int processTime = 0;
SourceFile *&cache = mCacheMap[request->source.fileId];
if (cache && cache->source != request->source) {
delete cache;
cache = 0;
}
if (!cache) {
cache = new SourceFile;
mCacheList.append(cache);
while (mCacheMap.size() > mCacheSize) {
SourceFile *c = mCacheList.removeFirst();
mCacheMap.remove(c->source.fileId);
delete c;
}
} else {
mCacheList.moveToEnd(cache);
}
const bool sendDebug = testLog(LogLevel::Debug);
if (cache->translationUnit && cache->source != request->source) {
clang_disposeTranslationUnit(cache->translationUnit);
cache->translationUnit = 0;
cache->source = request->source;
} else if (!cache->translationUnit) {
cache->source = request->source;
}
const Path sourceFile = request->source.sourceFile();
CXUnsavedFile unsaved = {
sourceFile.constData(),
request->unsaved.constData(),
static_cast<unsigned long>(request->unsaved.size())
};
size_t hash = 0;
uint64_t lastModified = 0;
if (request->unsaved.size()) {
std::hash<String> h;
hash = h(request->unsaved);
} else {
lastModified = sourceFile.lastModifiedMs();
}
const auto &options = Server::instance()->options();
if (!cache->translationUnit) {
cache->completionsMap.clear();
cache->completionsList.deleteAll();
sw.restart();
Flags<CXTranslationUnit_Flags> flags = static_cast<CXTranslationUnit_Flags>(clang_defaultEditingTranslationUnitOptions());
flags |= CXTranslationUnit_PrecompiledPreamble;
flags |= CXTranslationUnit_CacheCompletionResults;
flags |= CXTranslationUnit_SkipFunctionBodies;
for (const auto &inc : options.includePaths) {
request->source.includePaths << inc;
}
request->source.defines << options.defines;
String clangLine;
RTags::parseTranslationUnit(sourceFile, request->source.toCommandLine(Source::Default|Source::ExcludeDefaultArguments),
cache->translationUnit, mIndex,
&unsaved, request->unsaved.size() ? 1 : 0, flags, &clangLine);
// error() << "PARSING" << clangLine;
parseTime = sw.restart();
if (cache->translationUnit) {
RTags::reparseTranslationUnit(cache->translationUnit, &unsaved, request->unsaved.size() ? 1 : 0);
}
reparseTime = sw.elapsed();
if (!cache->translationUnit)
return;
cache->unsavedHash = hash;
cache->lastModified = lastModified;
} else if (cache->unsavedHash != hash || cache->lastModified != lastModified) {
cache->completionsMap.clear();
cache->completionsList.deleteAll();
cache->unsavedHash = hash;
cache->lastModified = lastModified;
} else if (!(request->flags & Refresh)) {
const auto it = cache->completionsMap.find(request->location);
if (it != cache->completionsMap.end()) {
cache->completionsList.moveToEnd(it->second);
error("Found completions (%d) in cache %s:%d:%d",
it->second->candidates.size(), sourceFile.constData(),
request->location.line(), request->location.column());
printCompletions(it->second->candidates, request);
return;
}
}
sw.restart();
const unsigned int completionFlags = (CXCodeComplete_IncludeMacros|CXCodeComplete_IncludeCodePatterns);
CXCodeCompleteResults *results = clang_codeCompleteAt(cache->translationUnit, sourceFile.constData(),
request->location.line(), request->location.column(),
&unsaved, unsaved.Length ? 1 : 0, completionFlags);
completeTime = sw.restart();
if (results) {
std::vector<Completions::Candidate> nodes;
nodes.reserve(results->NumResults);
int nodeCount = 0;
Map<Token, int> tokens;
if (!request->unsaved.isEmpty()) {
tokens = Token::tokenize(request->unsaved.constData(), request->unsaved.size());
// for (Map<Token, int>::const_iterator it = tokens.begin(); it != tokens.end(); ++it) {
// error() << String(it->first.data, it->first.length) << it->second;
// }
}
for (unsigned int i = 0; i < results->NumResults; ++i) {
const CXCursorKind kind = results->Results[i].CursorKind;
if (!(options.options & Server::CompletionsNoFilter) && kind == CXCursor_Destructor)
continue;
const CXCompletionString &string = results->Results[i].CompletionString;
const CXAvailabilityKind availabilityKind = clang_getCompletionAvailability(string);
if (!(options.options & Server::CompletionsNoFilter) && availabilityKind != CXAvailability_Available)
continue;
const int priority = clang_getCompletionPriority(string);
if (size_t(nodeCount) == nodes.size())
nodes.emplace_back();
Completions::Candidate &node = nodes.back();
node.cursorKind = kind;
node.priority = priority;
node.signature.reserve(256);
const int chunkCount = clang_getNumCompletionChunks(string);
bool ok = true;
for (int j=0; j<chunkCount; ++j) {
const CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(string, j);
if (chunkKind == CXCompletionChunk_TypedText) {
node.completion = RTags::eatString(clang_getCompletionChunkText(string, j));
if (node.completion.size() > 8 && node.completion.startsWith("operator") && !isPartOfSymbol(node.completion.at(8))) {
ok = false;
break;
}
node.signature.append(node.completion);
} else {
node.signature.append(RTags::eatString(clang_getCompletionChunkText(string, j)));
if (chunkKind == CXCompletionChunk_ResultType)
node.signature.append(' ');
}
}
if (ok) {
int ws = node.completion.size() - 1;
while (ws >= 0 && isspace(node.completion.at(ws)))
--ws;
if (ws >= 0) {
node.completion.truncate(ws + 1);
node.signature.replace("\n", "");
node.distance = tokens.value(Token(node.completion.constData(), node.completion.size()), -1);
if (sendDebug)
debug() << node.signature << node.priority << kind
<< node.distance << clang_getCompletionAvailability(string);
++nodeCount;
continue;
}
}
node.completion.clear();
node.signature.clear();
}
if (nodeCount) {
// Sort pointers instead of shuffling candidates around
std::vector<Completions::Candidate*> nodesPtr;
nodesPtr.reserve(nodeCount);
for (auto& n : nodes) nodesPtr.push_back(&n);
std::sort(nodesPtr.begin(), nodesPtr.end(), compareCompletionCandidates);
Completions *&c = cache->completionsMap[request->location];
if (c) {
cache->completionsList.moveToEnd(c);
} else {
enum { MaxCompletionCache = 10 }; // ### configurable?
c = new Completions(request->location);
cache->completionsList.append(c);
while (cache->completionsMap.size() > MaxCompletionCache) {
Completions *cc = cache->completionsList.takeFirst();
cache->completionsMap.remove(cc->location);
delete cc;
}
}
c->candidates.resize(nodeCount);
for (int i=0; i<nodeCount; ++i)
c->candidates[i] = std::move(*nodesPtr[i]);
printCompletions(c->candidates, request);
processTime = sw.elapsed();
warning("Processed %s, parse %d/%d, complete %d, process %d => %d completions (unsaved %d)",
sourceFile.constData(), parseTime, reparseTime, completeTime, processTime, nodeCount, request->unsaved.size());
} else {
printCompletions(List<Completions::Candidate>(), request);
error() << "No completion results available" << request->location << results->NumResults;
}
clang_disposeCodeCompleteResults(results);
}
}
CodeCompletionChunk::Kind CodeCompletionChunkConverter::chunkKind(CXCompletionString completionString, uint chunkIndex)
{
return CodeCompletionChunk::Kind(clang_getCompletionChunkKind(completionString, chunkIndex));
}
CXCompletionChunkKind code_completion_string::chunkKind(unsigned idx) const
{
return clang_getCompletionChunkKind(str, idx);
}
QList<ClangCodeCompletionItem> TranslationUnit::completeAt(
const int line
, const int column
, const unsigned completion_flags
, const clang::unsaved_files_list& unsaved_files
, const PluginConfiguration::sanitize_rules_list_type& sanitize_rules
)
{
auto files = unsaved_files.get();
#ifndef NDEBUG
for (auto& item : files)
assert(
"Sanity check"
&& item.Filename
&& std::strlen(item.Filename)
&& item.Contents
&& item.Length
);
#endif
clang::DCXCodeCompleteResults res = {
clang_codeCompleteAt(
m_unit
, m_filename.constData()
, unsigned(line)
, unsigned(column)
, files.data()
, files.size()
, completion_flags
)
};
if (!res)
{
throw Exception::CompletionFailure(
i18nc("@item:intext", "Unable to perform code completion").toAscii().constData()
);
}
#if 0
clang_sortCodeCompletionResults(res->Results, res->NumResults);
#endif
// Collect some diagnostic SPAM
for (auto i = 0u; i < clang_codeCompleteGetNumDiagnostics(res); ++i)
{
clang::DCXDiagnostic diag = {clang_codeCompleteGetDiagnostic(res, i)};
appendDiagnostic(diag);
}
QList<ClangCodeCompletionItem> completions;
completions.reserve(res->NumResults); // Peallocate enough space for completion results
// Lets look what we've got...
for (auto i = 0u; i < res->NumResults; ++i)
{
const auto str = res->Results[i].CompletionString;
const auto priority = clang_getCompletionPriority(str);
const auto cursor_kind = res->Results[i].CursorKind;
debugShowCompletionResult(i, priority, str, cursor_kind);
// Skip unusable completions
// 0) check availability
const auto availability = clang_getCompletionAvailability(str);
if (availability != CXAvailability_Available && availability != CXAvailability_Deprecated)
{
kDebug(DEBUG_AREA) << "!! Skip result" << i << "as not available";
continue;
}
// 1) check usefulness
/// \todo Make it configurable
if (cursor_kind == CXCursor_NotImplemented)
continue;
// Collect all completion chunks and from a format string
QString text_before;
QString typed_text;
QString text_after;
QStringList placeholders;
int optional_placeholers_start_position = -1;
// A lambda to append given text to different parts
// of future completion string, depending on already processed text
auto appender = [&](const QString& text)
{
if (typed_text.isEmpty())
text_before += text;
else
text_after += text;
};
auto skip_this_item = false;
for (
auto j = 0u
, chunks = clang_getNumCompletionChunks(str)
; j < chunks && !skip_this_item
; ++j
)
{
auto kind = clang_getCompletionChunkKind(str, j);
auto text = toString(clang::DCXString{clang_getCompletionChunkText(str, j)});
switch (kind)
{
// Text that a user would be expected to type to get this code-completion result
case CXCompletionChunk_TypedText:
// Text that should be inserted as part of a code-completion result
case CXCompletionChunk_Text:
{
auto p = sanitize(text, sanitize_rules);// Pipe given piece of text through sanitizer
if (p.first)
typed_text += p.second;
else // Go for next completion item
skip_this_item = true;
break;
}
// Placeholder text that should be replaced by the user
case CXCompletionChunk_Placeholder:
{
auto p = sanitize(text, sanitize_rules);// Pipe given piece of text through sanitizer
if (p.first)
{
appender(
QLatin1String{"%"}
+ QString::number(placeholders.size() + 1)
+ QLatin1String{"%"}
);
placeholders.push_back(p.second);
}
else // Go for next completion item
skip_this_item = true;
break;
}
// A code-completion string that describes "optional" text that
// could be a part of the template (but is not required)
case CXCompletionChunk_Optional:
{
auto ostr = clang_getCompletionChunkCompletionString(str, j);
for (
auto oci = 0u
, ocn = clang_getNumCompletionChunks(ostr)
; oci < ocn
; ++oci
)
{
auto otext = toString(clang::DCXString{clang_getCompletionChunkText(ostr, oci)});
// Pipe given piece of text through sanitizer
auto p = sanitize(otext, sanitize_rules);
if (p.first)
{
auto okind = clang::kind_of(ostr, oci);
if (okind == CXCompletionChunk_Placeholder)
{
appender(
QLatin1String{"%"}
+ QString::number(placeholders.size() + 1)
+ QLatin1String{"%"}
);
placeholders.push_back(p.second);
optional_placeholers_start_position = placeholders.size();
}
else appender(p.second);
}
else
{
skip_this_item = true;
break;
}
}
break;
}
case CXCompletionChunk_ResultType:
case CXCompletionChunk_LeftParen:
case CXCompletionChunk_RightParen:
case CXCompletionChunk_LeftBracket:
case CXCompletionChunk_RightBracket:
case CXCompletionChunk_LeftBrace:
case CXCompletionChunk_RightBrace:
case CXCompletionChunk_LeftAngle:
case CXCompletionChunk_RightAngle:
case CXCompletionChunk_Comma:
case CXCompletionChunk_Colon:
case CXCompletionChunk_SemiColon:
case CXCompletionChunk_Equal:
case CXCompletionChunk_CurrentParameter:
case CXCompletionChunk_HorizontalSpace:
/// \todo Kate can't handle \c '\n' well in completions list
case CXCompletionChunk_VerticalSpace:
{
auto p = sanitize(text, sanitize_rules);// Pipe given piece of text through sanitizer
if (p.first)
appender(p.second);
else // Go for next completion item
skip_this_item = true;
break;
}
// Informative text that should be displayed but never inserted
// as part of the template
case CXCompletionChunk_Informative:
// Informative text before CXCompletionChunk_TypedText usually
// just a method scope (i.e. long name of an owner class)
// and it's useless for completer cuz it can group items
// by parent already...
if (!typed_text.isEmpty())
{
// Pipe given piece of text through sanitizer
auto p = sanitize(text, sanitize_rules);
if (p.first)
appender(p.second);
else // Go for next completion item
skip_this_item = true;
}
break;
default:
break;
}
}
// Does it pass the completion items sanitizer?
if (skip_this_item) continue; // No! Skip it!
assert("Priority expected to be less than 100" && priority < 101u);
const auto comment = toString(clang::DCXString{clang_getCompletionBriefComment(str)});
//
completions.push_back({
makeParentText(str, cursor_kind)
, text_before
, typed_text
, text_after
, placeholders
, optional_placeholers_start_position
, priority
, cursor_kind
, comment
, availability == CXAvailability_Deprecated
});
}
return completions;
}
completion_list translation_unit::complete_at(uint32_t row, uint32_t col) {
completion_list ret;
CXCodeCompleteResults *res;
if (mCxUnsaved) {
res = clang_codeCompleteAt(mUnit, mName.c_str(), row, col, mCxUnsaved, 1, 0);
}
else
res = clang_codeCompleteAt(mUnit, mName.c_str(), row, col, nullptr, 0, 0);
for (uint32_t i = 0; i < res->NumResults; ++i) {
// skip all private members
if (clang_getCompletionAvailability(res->Results[i].CompletionString) == CXAvailability_NotAccessible)
continue;
// number of completion chunks for the current result
completion_result r;
uint32_t nChunks = clang_getNumCompletionChunks(res->Results[i].CompletionString);
// function to handle a single chunk
auto handle_chunk = [&](CXCompletionChunkKind k, uint32_t num) {
CXString txt = clang_getCompletionChunkText(res->Results[i].CompletionString, num);
switch (k) {
case CXCompletionChunk_ResultType:
r.return_type = cx2std(txt);
break;
case CXCompletionChunk_TypedText:
r.name = cx2std(txt);
break;
case CXCompletionChunk_Placeholder:
r.args.push_back(cx2std(txt));
break;
case CXCompletionChunk_Optional:
case CXCompletionChunk_LeftParen:
case CXCompletionChunk_RightParen:
case CXCompletionChunk_RightBracket:
case CXCompletionChunk_LeftBracket:
case CXCompletionChunk_LeftBrace:
case CXCompletionChunk_RightBrace:
case CXCompletionChunk_RightAngle:
case CXCompletionChunk_LeftAngle:
case CXCompletionChunk_Comma:
case CXCompletionChunk_Colon:
case CXCompletionChunk_SemiColon:
case CXCompletionChunk_Equal:
case CXCompletionChunk_Informative:
case CXCompletionChunk_HorizontalSpace:
break;
default:
break;
}
};
for (uint32_t k = 0; k < nChunks; ++k) {
handle_chunk(clang_getCompletionChunkKind(res->Results[i].CompletionString, k), k);
}
// fill additional info and append to result set
r.brief = cx2std(clang_getCompletionBriefComment(res->Results[i].CompletionString));
r.priority = clang_getCompletionPriority(res->Results[i].CompletionString);
r.type = cursor2completion(res->Results[i].CursorKind);
// @todo: once clang forwards the CXCursor of a completion result, we should get
// the full documentation for each entry
ret.push_back(r);
}
clang_disposeCodeCompleteResults(res);
return ret;
}
void CompletionJob::execute()
{
CXUnsavedFile unsavedFile = { mUnsaved.isEmpty() ? 0 : mPath.constData(),
mUnsaved.isEmpty() ? 0 : mUnsaved.constData(),
static_cast<unsigned long>(mUnsaved.size()) };
CXCodeCompleteResults *results = clang_codeCompleteAt(mUnit, mPath.constData(), mLine, mColumn,
&unsavedFile, mUnsaved.isEmpty() ? 0 : 1,
CXCodeComplete_IncludeMacros
| CXCodeComplete_IncludeCodePatterns);
if (results) {
CompletionNode *nodes = new CompletionNode[results->NumResults];
int nodeCount = 0;
Map<Token, int> tokens;
if (!mUnsaved.isEmpty()) {
tokenize(mUnsaved.constData(), mUnsaved.size(), tokens);
// for (Map<Token, int>::const_iterator it = tokens.begin(); it != tokens.end(); ++it) {
// error() << ByteArray(it->first.data, it->first.length) << it->second;
// }
}
for (unsigned i = 0; i < results->NumResults; ++i) {
const CXCursorKind kind = results->Results[i].CursorKind;
if (kind == CXCursor_Destructor)
continue;
const CXCompletionString &string = results->Results[i].CompletionString;
const CXAvailabilityKind availabilityKind = clang_getCompletionAvailability(string);
if (availabilityKind != CXAvailability_Available)
continue;
const int priority = clang_getCompletionPriority(string);
if (priority >= 75)
continue;
CompletionNode &node = nodes[nodeCount];
node.priority = priority;
node.signature.reserve(256);
const int chunkCount = clang_getNumCompletionChunks(string);
bool ok = true;
for (int j=0; j<chunkCount; ++j) {
const CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(string, j);
if (chunkKind == CXCompletionChunk_TypedText) {
node.completion = RTags::eatString(clang_getCompletionChunkText(string, j));
if (node.completion.size() > 8 && node.completion.startsWith("operator") && !isPartOfSymbol(node.completion.at(8))) {
ok = false;
break;
}
node.signature.append(node.completion);
} else {
node.signature.append(RTags::eatString(clang_getCompletionChunkText(string, j)));
if (chunkKind == CXCompletionChunk_ResultType)
node.signature.append(' ');
}
}
if (ok) {
int ws = node.completion.size() - 1;
while (ws >= 0 && isspace(node.completion.at(ws)))
--ws;
if (ws >= 0) {
node.completion.truncate(ws + 1);
node.signature.replace("\n", "");
node.distance = tokens.value(Token(node.completion.constData(), node.completion.size()), -1);
++nodeCount;
continue;
}
}
node.completion.clear();
node.signature.clear();
}
if (nodeCount) {
qsort(nodes, nodeCount, sizeof(CompletionNode), compareCompletionNode);
write<128>("`%s %s", nodes[0].completion.constData(), nodes[0].signature.constData());
for (int i=1; i<nodeCount; ++i) {
write<128>("%s %s", nodes[i].completion.constData(), nodes[i].signature.constData());
}
}
delete[] nodes;
//processDiagnostics(results);
clang_disposeCodeCompleteResults(results);
shared_ptr<Project> proj = project();
if (proj)
proj->addToCache(mPath, mArgs, mIndex, mUnit);
}
mFinished(mPath);
}
void CompletionJob::execute()
{
StopWatch timer;
CXUnsavedFile unsavedFile = { mUnsaved.isEmpty() ? 0 : mPath.constData(),
mUnsaved.isEmpty() ? 0 : mUnsaved.constData(),
static_cast<unsigned long>(mUnsaved.size()) };
if (!mUnit) {
String clangLine;
RTags::parseTranslationUnit(mPath, mArgs, mUnit, Server::instance()->clangIndex(), clangLine,
0, 0, &unsavedFile, 1);
mParseCount = 1;
if (!mUnit) {
error() << "Failed to parse" << mPath << "Can't complete";
return;
}
}
// error() << "Completing" << mPath << mParseCount;
assert(mParseCount >= 1 && mParseCount <= 2);
if (mParseCount == 1) {
RTags::reparseTranslationUnit(mUnit, &unsavedFile, 1);
if (!mUnit) {
mFinished(mPath, id());
return;
} else {
++mParseCount;
}
}
CXCodeCompleteResults *results = clang_codeCompleteAt(mUnit, mPath.constData(), mLine, mColumn,
&unsavedFile, mUnsaved.isEmpty() ? 0 : 1,
CXCodeComplete_IncludeMacros
| CXCodeComplete_IncludeCodePatterns);
if (results) {
CompletionNode *nodes = new CompletionNode[results->NumResults];
int nodeCount = 0;
Map<Token, int> tokens;
if (!mUnsaved.isEmpty()) {
tokenize(mUnsaved.constData(), mUnsaved.size(), tokens);
// for (Map<Token, int>::const_iterator it = tokens.begin(); it != tokens.end(); ++it) {
// error() << String(it->first.data, it->first.length) << it->second;
// }
}
for (unsigned i = 0; i < results->NumResults; ++i) {
const CXCursorKind kind = results->Results[i].CursorKind;
if (kind == CXCursor_Destructor)
continue;
const CXCompletionString &string = results->Results[i].CompletionString;
const CXAvailabilityKind availabilityKind = clang_getCompletionAvailability(string);
if (availabilityKind != CXAvailability_Available)
continue;
const int priority = clang_getCompletionPriority(string);
if (priority >= 75)
continue;
CompletionNode &node = nodes[nodeCount];
node.priority = priority;
node.signature.reserve(256);
const int chunkCount = clang_getNumCompletionChunks(string);
bool ok = true;
for (int j=0; j<chunkCount; ++j) {
const CXCompletionChunkKind chunkKind = clang_getCompletionChunkKind(string, j);
if (chunkKind == CXCompletionChunk_TypedText) {
node.completion = RTags::eatString(clang_getCompletionChunkText(string, j));
if (node.completion.size() > 8 && node.completion.startsWith("operator") && !isPartOfSymbol(node.completion.at(8))) {
ok = false;
break;
}
node.signature.append(node.completion);
} else {
node.signature.append(RTags::eatString(clang_getCompletionChunkText(string, j)));
if (chunkKind == CXCompletionChunk_ResultType)
node.signature.append(' ');
}
}
if (ok) {
int ws = node.completion.size() - 1;
while (ws >= 0 && isspace(node.completion.at(ws)))
--ws;
if (ws >= 0) {
node.completion.truncate(ws + 1);
node.signature.replace("\n", "");
node.distance = tokens.value(Token(node.completion.constData(), node.completion.size()), -1);
++nodeCount;
continue;
}
}
node.completion.clear();
node.signature.clear();
}
if (nodeCount) {
if (nodeCount > SendThreshold) {
write("`");
} else {
qsort(nodes, nodeCount, sizeof(CompletionNode), compareCompletionNode);
if (mType == Stream) {
write<128>("`%s %s", nodes[0].completion.constData(), nodes[0].signature.constData());
} else {
write<128>("%s %s", nodes[0].completion.constData(), nodes[0].signature.constData());
}
for (int i=1; i<nodeCount; ++i) {
write<128>("%s %s", nodes[i].completion.constData(), nodes[i].signature.constData());
}
}
}
warning() << "Wrote" << ((nodeCount > SendThreshold) ? -1 : nodeCount) << "completions for"
<< String::format<128>("%s:%d:%d", mPath.constData(), mLine, mColumn)
<< "in" << timer.elapsed() << "ms" << mArgs;
// const unsigned diagnosticCount = clang_getNumDiagnostics(mUnit);
// for (unsigned i=0; i<diagnosticCount; ++i) {
// CXDiagnostic diagnostic = clang_getDiagnostic(mUnit, i);
// const CXDiagnosticSeverity severity = clang_getDiagnosticSeverity(diagnostic);
// const String msg = RTags::eatString(clang_getDiagnosticSpelling(diagnostic));
// CXFile file;
// unsigned line, col;
// clang_getSpellingLocation(clang_getDiagnosticLocation(diagnostic), &file, &line, &col, 0);
// error() << i << diagnosticCount << severity << msg
// << String::format<128>("%s:%d:%d", RTags::eatString(clang_getFileName(file)).constData(),
// line, col);
// clang_disposeDiagnostic(diagnostic);
// }
delete[] nodes;
//processDiagnostics(results);
clang_disposeCodeCompleteResults(results);
std::shared_ptr<Project> proj = project();
if (proj) {
// error() << "Adding to cache" << mParseCount << mPath;
proj->addToCache(mPath, mArgs, mUnit, mParseCount);
}
}
mFinished(mPath, id());
}
static void
ide_clang_completion_item_lazy_init (IdeClangCompletionItem *self)
{
CXCompletionResult *result;
g_autoptr(IdeSourceSnippet) snippet = NULL;
GdkPixbuf *icon = NULL;
GString *markup = NULL;
unsigned num_chunks;
unsigned i;
guint tab_stop = 0;
g_assert (IDE_IS_CLANG_COMPLETION_ITEM (self));
if (G_LIKELY (self->initialized))
return;
result = ide_clang_completion_item_get_result (self);
num_chunks = clang_getNumCompletionChunks (result);
snippet = ide_source_snippet_new (NULL, NULL);
markup = g_string_new (NULL);
g_assert (result);
g_assert (num_chunks);
g_assert (IDE_IS_SOURCE_SNIPPET (snippet));
g_assert (markup);
/*
* Try to determine the icon to use for this result.
*/
switch ((int)result->CursorKind)
{
case CXCursor_CXXMethod:
case CXCursor_Constructor:
case CXCursor_Destructor:
case CXCursor_MemberRef:
case CXCursor_MemberRefExpr:
case CXCursor_ObjCClassMethodDecl:
case CXCursor_ObjCInstanceMethodDecl:
icon = get_icon ("lang-method-symbolic");
break;
case CXCursor_ConversionFunction:
case CXCursor_FunctionDecl:
case CXCursor_FunctionTemplate:
icon = get_icon ("lang-function-symbolic");
break;
case CXCursor_FieldDecl:
icon = get_icon ("struct-field-symbolic");
break;
case CXCursor_VarDecl:
/* local? */
case CXCursor_ParmDecl:
case CXCursor_ObjCIvarDecl:
case CXCursor_ObjCPropertyDecl:
case CXCursor_ObjCSynthesizeDecl:
case CXCursor_NonTypeTemplateParameter:
case CXCursor_Namespace:
case CXCursor_NamespaceAlias:
case CXCursor_NamespaceRef:
break;
case CXCursor_StructDecl:
icon = get_icon ("lang-struct-symbolic");
break;
case CXCursor_UnionDecl:
case CXCursor_ClassDecl:
case CXCursor_TypeRef:
case CXCursor_TemplateRef:
case CXCursor_TypedefDecl:
case CXCursor_ClassTemplate:
case CXCursor_ClassTemplatePartialSpecialization:
case CXCursor_ObjCClassRef:
case CXCursor_ObjCInterfaceDecl:
case CXCursor_ObjCImplementationDecl:
case CXCursor_ObjCCategoryDecl:
case CXCursor_ObjCCategoryImplDecl:
case CXCursor_ObjCProtocolDecl:
case CXCursor_ObjCProtocolRef:
case CXCursor_TemplateTypeParameter:
case CXCursor_TemplateTemplateParameter:
icon = get_icon ("lang-class-symbolic");
break;
case CXCursor_EnumConstantDecl:
icon = get_icon ("lang-enum-value-symbolic");
break;
case CXCursor_EnumDecl:
icon = get_icon ("lang-enum-symbolic");
break;
case CXCursor_NotImplemented:
default:
break;
}
/*
* Walk the chunks, creating our snippet for insertion as well as our markup
* for the row in the completion window.
*/
for (i = 0; i < num_chunks; i++)
{
enum CXCompletionChunkKind kind;
IdeSourceSnippetChunk *chunk;
const gchar *text;
g_autofree gchar *escaped = NULL;
CXString cxstr;
kind = clang_getCompletionChunkKind (result->CompletionString, i);
cxstr = clang_getCompletionChunkText (result->CompletionString, i);
text = clang_getCString (cxstr);
if (text)
escaped = g_markup_escape_text (text, -1);
else
escaped = g_strdup ("");
switch (kind)
{
case CXCompletionChunk_Optional:
break;
case CXCompletionChunk_TypedText:
g_string_append_printf (markup, "<b>%s</b>", escaped);
chunk = ide_source_snippet_chunk_new ();
ide_source_snippet_chunk_set_text (chunk, text);
ide_source_snippet_chunk_set_text_set (chunk, TRUE);
ide_source_snippet_add_chunk (snippet, chunk);
g_clear_object (&chunk);
break;
case CXCompletionChunk_Text:
g_string_append (markup, escaped);
chunk = ide_source_snippet_chunk_new ();
ide_source_snippet_chunk_set_text (chunk, text);
ide_source_snippet_chunk_set_text_set (chunk, TRUE);
ide_source_snippet_add_chunk (snippet, chunk);
g_clear_object (&chunk);
break;
case CXCompletionChunk_Placeholder:
g_string_append (markup, escaped);
chunk = ide_source_snippet_chunk_new ();
ide_source_snippet_chunk_set_text (chunk, text);
ide_source_snippet_chunk_set_text_set (chunk, TRUE);
ide_source_snippet_chunk_set_tab_stop (chunk, ++tab_stop);
ide_source_snippet_add_chunk (snippet, chunk);
g_clear_object (&chunk);
break;
case CXCompletionChunk_Informative:
if (0 == g_strcmp0 (text, "const "))
g_string_append (markup, text);
break;
case CXCompletionChunk_CurrentParameter:
break;
case CXCompletionChunk_LeftParen:
g_string_append (markup, " ");
chunk = ide_source_snippet_chunk_new ();
ide_source_snippet_chunk_set_text (chunk, " ");
ide_source_snippet_chunk_set_text_set (chunk, TRUE);
ide_source_snippet_add_chunk (snippet, chunk);
g_clear_object (&chunk);
/* fall through */
case CXCompletionChunk_RightParen:
case CXCompletionChunk_LeftBracket:
case CXCompletionChunk_RightBracket:
case CXCompletionChunk_LeftBrace:
case CXCompletionChunk_RightBrace:
case CXCompletionChunk_LeftAngle:
case CXCompletionChunk_RightAngle:
case CXCompletionChunk_Comma:
case CXCompletionChunk_Colon:
case CXCompletionChunk_SemiColon:
case CXCompletionChunk_Equal:
case CXCompletionChunk_HorizontalSpace:
g_string_append (markup, escaped);
chunk = ide_source_snippet_chunk_new ();
ide_source_snippet_chunk_set_text (chunk, text);
ide_source_snippet_chunk_set_text_set (chunk, TRUE);
ide_source_snippet_add_chunk (snippet, chunk);
g_clear_object (&chunk);
break;
case CXCompletionChunk_VerticalSpace:
g_string_append (markup, escaped);
/* insert the vertical space */
chunk = ide_source_snippet_chunk_new ();
ide_source_snippet_chunk_set_text (chunk, text);
ide_source_snippet_chunk_set_text_set (chunk, TRUE);
ide_source_snippet_add_chunk (snippet, chunk);
g_clear_object (&chunk);
/* now perform indentation */
chunk = ide_source_snippet_chunk_new ();
ide_source_snippet_chunk_set_text (chunk, "\t");
ide_source_snippet_chunk_set_text_set (chunk, TRUE);
ide_source_snippet_add_chunk (snippet, chunk);
g_clear_object (&chunk);
break;
case CXCompletionChunk_ResultType:
g_string_append_printf (markup, "%s ", escaped);
break;
default:
break;
}
}
self->snippet = g_object_ref (snippet);
self->markup = g_string_free (markup, FALSE);
self->icon = icon ? g_object_ref (icon) : NULL;
}
/**
* ide_clang_completion_item_get_typed_text:
* @self: An #IdeClangCompletionItem.
*
* Gets the text that would be expected to be typed to insert this completion
* item into the text editor.
*
* Returns: A string which should not be modified or freed.
*/
const gchar *
ide_clang_completion_item_get_typed_text (IdeClangCompletionItem *self)
{
CXCompletionResult *result;
CXString cxstr;
g_return_val_if_fail (IDE_IS_CLANG_COMPLETION_ITEM (self), NULL);
if (self->typed_text)
return self->typed_text;
result = ide_clang_completion_item_get_result (self);
/*
* Determine the index of the typed text. Each completion result should have
* exaction one of these.
*/
if (G_UNLIKELY (self->typed_text_index == -1))
{
guint num_chunks;
guint i;
num_chunks = clang_getNumCompletionChunks (result);
for (i = 0; i < num_chunks; i++)
{
enum CXCompletionChunkKind kind;
kind = clang_getCompletionChunkKind (result->CompletionString, i);
if (kind == CXCompletionChunk_TypedText)
{
self->typed_text_index = i;
break;
}
}
}
if (self->typed_text_index == -1)
{
/*
* FIXME:
*
* This seems like an implausible result, but we are definitely
* hitting it occasionally.
*/
return g_strdup ("");
}
#ifdef IDE_ENABLE_TRACE
{
enum CXCompletionChunkKind kind;
unsigned num_chunks;
g_assert (self->typed_text_index >= 0);
num_chunks = clang_getNumCompletionChunks (result->CompletionString);
g_assert (num_chunks > self->typed_text_index);
kind = clang_getCompletionChunkKind (result->CompletionString, self->typed_text_index);
g_assert (kind == CXCompletionChunk_TypedText);
}
#endif
cxstr = clang_getCompletionChunkText (result->CompletionString, self->typed_text_index);
self->typed_text = g_strdup (clang_getCString (cxstr));
clang_disposeString (cxstr);
return self->typed_text;
}