apply clang-tidy suggestions

Author: Vipul-Cariappa

lib/CppInterOp/CppInterOp.cpp

@@ -10,6 +10,7 @@
 #include "CppInterOp/CppInterOp.h"
 
 #include "Compatibility.h"
+#include "CppInterOpInterpreter.h"
 
 #include "clang/AST/Attrs.inc"
 #include "clang/AST/CXXInheritance.h"
@@ -60,7 +61,9 @@
 #include "llvm/Support/raw_ostream.h"
 
 #include <algorithm>
+#include <atomic>
 #include <cassert>
+#include <chrono>
 #include <cstddef>
 #include <deque>
 #include <iterator>
@@ -71,6 +74,7 @@
 #include <sstream>
 #include <stack>
 #include <string>
+#include <thread>
 #include <unordered_map>
 #include <utility>
 #include <vector>
@@ -95,6 +99,7 @@ namespace Cpp {
 using namespace clang;
 using namespace llvm;
 using namespace std;
+using namespace std::chrono_literals;
 
 #define NULLPTR (static_cast<void*>(nullptr))
 
@@ -403,7 +408,7 @@ bool IsDebugOutputEnabled() {
   return llvm::DebugFlag;
 }
 
-static void InstantiateFunctionDefinition(Decl* D, Interpreter& I) {
+static void InstantiateFunctionDefinition(Decl* D, compat::Interpreter& I) {
   if (auto* FD = llvm::dyn_cast_or_null<FunctionDecl>(D)) {
     compat::SynthesizingCodeRAII RAII(&I);
     I.getSema().InstantiateFunctionDefinition(SourceLocation(), FD,
@@ -940,7 +945,7 @@ static TCppIndex_t GetNumBases(compat::Interpreter& I,
 }
 
 TCppIndex_t GetNumBases(TCppScope_t klass) {
-  auto* D = (Decl*)klass;
+  auto* D = static_cast<Decl*>(klass);
   if (auto* CXXRD = llvm::dyn_cast_or_null<CXXRecordDecl>(D)) {
     auto& IF = getInterpInfo(CXXRD);
     LOCK(IF);
@@ -2175,16 +2180,16 @@ static TCppType_t GetTypeFromScope(clang::Decl* D, compat::Interpreter& I) {
 
 TCppType_t GetTypeFromScope(TCppScope_t klass) {
   if (!klass)
-    return 0;
+    return nullptr;
 
-  auto* D = (Decl*)klass;
+  auto* D = static_cast<Decl*>(klass);
   return GetTypeFromScope(D, *getInterpInfo(D));
 }
 
 // Internal functions that are not needed outside the library are
 // encompassed in an anonymous namespace as follows.
 namespace {
-static std::atomic<unsigned long long> gWrapperSerial = 0LL;
+std::atomic<unsigned long long> gWrapperSerial = 0LL;
 
 enum EReferenceType { kNotReference, kLValueReference, kRValueReference };