chore: add clang-format config to the repo

Author: GuillaumeLagrange

.clang-format

@@ -0,0 +1,5 @@
+---
+Language:        Cpp
+BasedOnStyle:  Google
+PointerAlignment: Left
+...

core/include/codspeed.h

@@ -7,7 +7,7 @@
 namespace codspeed {
 
 class CodSpeed {
-public:
+ public:
   // Public static method to access the single instance
   static CodSpeed *getInstance() {
     static CodSpeed instance;
@@ -20,7 +20,7 @@ class CodSpeed {
   void start_benchmark(const std::string &name);
   void end_benchmark();
 
-private:
+ private:
   // Private constructor to prevent direct instantiation
   CodSpeed();
   std::vector<std::string> benchmarked;
@@ -50,6 +50,6 @@ std::string sanitize_bench_args(std::string &text);
 // an argument
 std::string get_path_relative_to_workspace(const std::string &path);
 
-} // namespace codspeed
+}  // namespace codspeed
 
-#endif // CODSPEED_H
+#endif  // CODSPEED_H

core/src/codspeed.cpp

@@ -1,9 +1,11 @@
-#include "measurement.hpp"
 #include <codspeed.h>
+
 #include <iostream>
 #include <string>
 #include <vector>
 
+#include "measurement.hpp"
+
 namespace codspeed {
 // Remove any `::` between brackets at the end to not mess with the URI
 // parsing
@@ -93,4 +95,4 @@ void CodSpeed::end_benchmark() {
             << std::endl;
 }
 
-} // namespace codspeed
+}  // namespace codspeed

core/src/measurement.hpp

@@ -1,9 +1,10 @@
 #ifndef MEASUREMENT_H
 #define MEASUREMENT_H
 
-#include "callgrind.h"
 #include <string>
 
+#include "callgrind.h"
+
 inline std::string get_version() {
 #ifdef CODSPEED_VERSION
   return {CODSPEED_VERSION};
@@ -29,4 +30,4 @@ inline void measurement_stop(const std::string &name) {
   CALLGRIND_DUMP_STATS_AT(name.c_str());
 };
 
-#endif // MEASUREMENT_H
+#endif  // MEASUREMENT_H

core/src/uri.cpp

@@ -1,7 +1,8 @@
-#include "codspeed.h"
 #include <iostream>
 #include <string>
 
+#include "codspeed.h"
+
 namespace codspeed {
 
 // Example: auto outer::test12::(anonymous class)::operator()() const
@@ -13,7 +14,7 @@ std::string extract_namespace_clang(const std::string &pretty_func) {
   if (space_pos == std::string::npos || anon_class_pos == std::string::npos) {
     return {};
   }
-  space_pos += 1; // Skip the space
+  space_pos += 1;  // Skip the space
 
   return pretty_func.substr(space_pos, anon_class_pos - space_pos) + "::";
 }
@@ -50,4 +51,4 @@ std::string extract_lambda_namespace(const std::string &pretty_func) {
 #endif
 }
 
-} // namespace codspeed
+}  // namespace codspeed

core/src/walltime.cpp

@@ -1,4 +1,3 @@
-#include "codspeed.h"
 #include <algorithm>
 #include <cmath>
 #include <cstdlib>
@@ -8,6 +7,8 @@
 #include <numeric>
 #include <sstream>
 #include <string>
+
+#include "codspeed.h"
 #ifdef _WIN32
 #include <process.h>
 #else
@@ -49,8 +50,7 @@ struct CodspeedWalltimeBenchmark {
 
 double compute_quantile(const std::vector<double> &data, double quantile) {
   size_t n = data.size();
-  if (n == 0)
-    return 0.0;
+  if (n == 0) return 0.0;
 
   double pos = quantile * (n - 1);
   size_t k = static_cast<size_t>(pos);
@@ -237,7 +237,7 @@ void generate_codspeed_walltime_report(
         iqr_outlier_rounds,
         stdev_outlier_rounds,
         raw_benchmark.iter_per_round,
-        0 // TODO: warmup_iters
+        0  // TODO: warmup_iters
     };
 
     codspeed_walltime_benchmarks.push_back(codspeed_benchmark);
@@ -246,4 +246,4 @@ void generate_codspeed_walltime_report(
   write_codspeed_benchmarks_to_json(codspeed_walltime_benchmarks);
 }
 
-} // namespace codspeed
+}  // namespace codspeed

core/src/workspace.cpp

@@ -1,8 +1,9 @@
 // Implementation
-#include "codspeed.h"
 #include <cstdlib>
 #include <filesystem>
 
+#include "codspeed.h"
+
 namespace codspeed {
 
 std::string get_path_relative_to_workspace(const std::string &path) {
@@ -22,4 +23,4 @@ std::string get_path_relative_to_workspace(const std::string &path) {
       .string();
 }
 
-} // namespace codspeed
+}  // namespace codspeed

core/test/codspeed.cpp

@@ -1,4 +1,5 @@
 #include "codspeed.h"
+
 #include <gtest/gtest.h>
 
 // Manual definition (to avoid including it in the public header):

core/test/uri.cpp

@@ -1,11 +1,12 @@
-#include "codspeed.h"
 #include <gtest/gtest.h>
 
+#include "codspeed.h"
+
 // Manual definition (to avoid including it in the public header):
 namespace codspeed {
 std::string extract_namespace_clang(const std::string &func_str);
 std::string extract_namespace_gcc(const std::string &func_str);
-} // namespace codspeed
+}  // namespace codspeed
 
 TEST(UriTest, TestExtractNamespaceClang) {
   EXPECT_EQ(codspeed::extract_namespace_clang(
@@ -33,6 +34,6 @@ static std::string pretty_func = ([]() { return __PRETTY_FUNCTION__; })();
 TEST(UriTest, TestExtractNamespace) {
   EXPECT_EQ(codspeed::extract_lambda_namespace(pretty_func), "a::b::c::");
 }
-} // namespace c
-} // namespace b
-} // namespace a
+}  // namespace c
+}  // namespace b
+}  // namespace a