Added support for compile_commands.json file in project root folder

src/project_build.cpp

@@ -19,8 +19,6 @@ std::unique_ptr<Project::Build> Project::Build::create(const boost::filesystem::
       std::unique_ptr<Project::Build> build(new CMakeBuild(path));
       if(!build->project_path.empty())
         return build;
-      else
-        return std::make_unique<Project::Build>();
     }
 
     if(boost::filesystem::exists(search_path / "meson.build"), ec) {
@@ -35,6 +33,12 @@ std::unique_ptr<Project::Build> Project::Build::create(const boost::filesystem::
       return build;
     }
 
+    if(boost::filesystem::exists(search_path / "compile_commands.json", ec)) {
+      std::unique_ptr<Project::Build> build(new CompileCommandsInProjectRootBuild());
+      build->project_path = search_path;
+      return build;
+    }
+
     if(boost::filesystem::exists(search_path / "Cargo.toml", ec)) {
       std::unique_ptr<Project::Build> build(new CargoBuild());
       build->project_path = search_path;

src/project_build.hpp

@@ -61,6 +61,11 @@ namespace Project {
   public:
   };
 
+  class CompileCommandsInProjectRootBuild : public Build {
+  public:
+    boost::filesystem::path get_default_path() override { return project_path; };
+  };
+
   class CargoBuild : public Build {
   public:
     boost::filesystem::path get_default_path() override { return project_path / "target" / "debug"; }