Added codecompletion comments, and some cleanup.

src/CodeCompleteResults.cc

@@ -22,7 +22,7 @@ CodeCompleteResults(clang::TranslationUnit *tu,
                                   column,
                                   files.data(),
                                   files.size(),
-                                  clang_defaultCodeCompleteOptions());
+                                  clang_defaultCodeCompleteOptions()|CXCodeComplete_IncludeBriefComments);
   clang_sortCodeCompletionResults(results_->Results, results_->NumResults);
 }
 

src/CodeCompleteResults.h

@@ -13,6 +13,7 @@ namespace clang {
                         const std::map<std::string, std::string>  &buffers,
                         int line_num,
                         int column);
+    ~CodeCompleteResults() {clang_disposeCodeCompleteResults(results_);}
     CompletionString get(int index);
     int size();
 

src/CompletionString.cc

@@ -26,6 +26,16 @@ get_chunks() {
   return res;
 }
 
+std::string clang::CompletionString::get_brief_comments() {
+  std::string brief_comments;
+  auto cxstr=clang_getCompletionBriefComment(str_);
+  if(cxstr.data!=NULL) {
+    brief_comments=clang_getCString(cxstr);
+    clang_disposeString(cxstr);
+  }
+  return brief_comments;
+}
+
 clang::CompletionChunk::
 CompletionChunk(std::string chunk, clang::CompletionChunkKind kind) :
   chunk_(chunk), kind_(kind) { }

src/CompletionString.h

@@ -31,6 +31,7 @@ namespace clang {
   class CompletionString {
   public:
     std::vector<CompletionChunk> get_chunks();
+    std::string get_brief_comments();
     int get_num_chunks();
   private:
     explicit CompletionString(const CXCompletionString &str);

src/Tokens.cc

@@ -81,7 +81,7 @@ void clang::Tokens::update_types(clang::TranslationUnit *tu) {
   }
 }
 
-std::string clang::Tokens::get_brief_comment(size_t cursor_id) {
+std::string clang::Tokens::get_brief_comments(size_t cursor_id) {
   std::string comment_string;
   auto referenced=clang_getCursorReferenced(clang_cursors[cursor_id]);
   auto comment=clang_Cursor_getParsedComment(referenced);

src/Tokens.h

@@ -10,7 +10,7 @@ namespace clang {
     Tokens(TranslationUnit *tu, SourceRange *range);
     ~Tokens();
     void update_types(clang::TranslationUnit *tu);
-    std::string get_brief_comment(size_t cursor_id);
+    std::string get_brief_comments(size_t cursor_id);
   private:
     CXToken *tokens_;
     unsigned num_tokens_;

src/TranslationUnit.cc

@@ -1,6 +1,8 @@
 #include "TranslationUnit.h"
 #include "SourceLocation.h"
 #include "Tokens.h"
+#include <fstream>
+#include <sstream>
 
 clang::TranslationUnit::
 ~TranslationUnit() {
@@ -17,27 +19,24 @@ clang::TranslationUnit::
 TranslationUnit(Index *index,
                 const std::string &filepath,
                 const std::vector<std::string> &command_line_args) {
-  std::vector<const char*> args;
-  for(auto &a: command_line_args) {
-    args.push_back(a.c_str());
-  }
-  tu_ = clang_createTranslationUnitFromSourceFile(index->index_,
-                                                  filepath.c_str(),
-                                                  args.size(),
-                                                  args.data(),
-                                                  0,
-                                                  NULL);
+  std::map<std::string, std::string> buffers;
+  std::ifstream ifs(filepath, std::ifstream::in);
+  std::stringstream ss;
+  ss << ifs.rdbuf();
+  buffers[filepath]=ss.str();
+  parse(index, filepath, command_line_args, buffers);
 }
 
 clang::TranslationUnit::
 TranslationUnit(Index *index,
                 const std::string &filepath) {
-  tu_ = clang_createTranslationUnitFromSourceFile(index->index_,
-                                                  filepath.c_str(),
-                                                  0,
-                                                  NULL,
-                                                  0,
-                                                  NULL);
+  std::vector<std::string> command_line_args;
+  std::map<std::string, std::string> buffers;
+  std::ifstream ifs(filepath, std::ifstream::in);
+  std::stringstream ss;
+  ss << ifs.rdbuf();
+  buffers[filepath]=ss.str();
+  parse(index, filepath, command_line_args, buffers);
 }
 
 clang::TranslationUnit::
@@ -46,6 +45,14 @@ TranslationUnit(clang::Index *index,
                 const std::vector<std::string> &command_line_args,
                 const std::map<std::string, std::string> &buffers,
                 unsigned flags) {
+  parse(index, filepath, command_line_args, buffers, flags);
+}
+
+void clang::TranslationUnit::parse(Index *index,
+                                   const std::string &filepath,
+                                   const std::vector<std::string> &command_line_args,
+                                   const std::map<std::string, std::string>  &buffers,
+                                   unsigned flags) {
   std::vector<CXUnsavedFile> files;
   for (auto &buffer : buffers) {
     CXUnsavedFile file;
@@ -87,7 +94,7 @@ ReparseTranslationUnit(const std::string &file_path,
 }
 
 unsigned clang::TranslationUnit::DefaultFlags() {
-  return CXTranslationUnit_CacheCompletionResults | CXTranslationUnit_PrecompiledPreamble | CXTranslationUnit_Incomplete;
+  return CXTranslationUnit_CacheCompletionResults | CXTranslationUnit_PrecompiledPreamble | CXTranslationUnit_Incomplete | CXTranslationUnit_IncludeBriefCommentsInCodeCompletion;
 }
 
 void clang::TranslationUnit::update_diagnostics() {

src/TranslationUnit.h

@@ -40,6 +40,11 @@ namespace clang {
     
     std::vector<clang::Diagnostic> diagnostics;
   private:
+    void parse(Index *index,
+               const std::string &filepath,
+               const std::vector<std::string> &command_line_args,
+               const std::map<std::string, std::string> &buffers,
+               unsigned flags=DefaultFlags());
     friend Token;
     friend Tokens;
     friend SourceLocation;