Minor cleanup of build valid checks

src/project.cpp

@@ -362,12 +362,12 @@ void Project::LLDB::debug_start() {
     auto view = Notebook::get().get_current_view();
     *run_arguments = build->get_executable(view ? view->file_path : Directories::get().path).string();
     if(run_arguments->empty()) {
-      if(build->is_valid()) {
+      if(!build->is_valid())
+        Terminal::get().print("\e[31mError\e[m: build folder no longer valid, please rebuild project.\n", true);
+      else {
         Terminal::get().print("\e[33mWarning\e[m: could not find executable.\n");
         Terminal::get().print("\e[32mSolution\e[m: either use Project Set Run Arguments, or open a source file within a directory where an executable is defined.\n");
       }
-      else
-        Terminal::get().print("\e[31mError\e[m: build folder no longer valid, please rebuild project.\n", true);
       return;
     }
     size_t pos = run_arguments->find(default_build_path.string());
@@ -874,12 +874,12 @@ void Project::Clang::compile_and_run() {
     auto view = Notebook::get().get_current_view();
     auto executable = build->get_executable(view ? view->file_path : Directories::get().path);
     if(executable.empty()) {
-      if(build->is_valid()) {
+      if(!build->is_valid())
+        Terminal::get().print("\e[31mError\e[m: build folder no longer valid, please rebuild project.\n", true);
+      else {
         Terminal::get().print("\e[33mWarning\e[m: could not find executable.\n");
         Terminal::get().print("\e[32mSolution\e[m: either use Project Set Run Arguments, or open a source file within a directory where an executable is defined.\n");
       }
-      else
-        Terminal::get().print("\e[31mError\e[m: build folder no longer valid, please rebuild project.\n", true);
       return;
     }
     arguments = filesystem::escape_argument(filesystem::get_short_path(executable).string());