From 5d6da78c90968738bcbf247530b3a3d0f095888b Mon Sep 17 00:00:00 2001
From: Felix Brendel <felix.brendel@freenet.de>
Date: Sat, 24 Aug 2019 18:47:47 +0200
Subject: [PATCH] profiler added

---
 .gitignore |  1 +
 build.bat  | 29 +++++++++++++++++++++++++++++
 macros.h   | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 profiler.h | 40 ++++++++++++++++++++++++++++++++++++++++
 test.cpp   | 21 +++++++++++++++++++++
 types.h    | 16 ++++++++++++++++
 6 files changed, 161 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 build.bat
 create mode 100644 macros.h
 create mode 100644 profiler.h
 create mode 100644 test.cpp
 create mode 100644 types.h

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5b450d4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/bin/*
diff --git a/build.bat b/build.bat
new file mode 100644
index 0000000..6bf3653
--- /dev/null
+++ b/build.bat
@@ -0,0 +1,29 @@
+@echo off
+pushd %~dp0
+
+set exeName=main.exe
+set binDir=bin
+
+mkdir %bindir%
+pushd %bindir%
+
+cl^
+   ../test.cpp^
+   /Fe%exeName% /MP /openmp /W3 /std:c++latest^
+   /nologo /EHsc /Z7^
+   /link /incremental /debug:fastlink
+
+if %errorlevel% == 0 (
+   echo.
+   if not exist ..\%binDir% mkdir ..\%binDir%
+   move %exeName% ..\%binDir%\ > NUL
+  echo ---------- Output start ----------
+   %exeName%
+   echo ---------- Output   end ----------
+   popd
+) else (
+  echo.
+  echo Fucki'n 'ell
+)
+
+popd
diff --git a/macros.h b/macros.h
new file mode 100644
index 0000000..fb147f8
--- /dev/null
+++ b/macros.h
@@ -0,0 +1,54 @@
+#pragma once
+#include <functional>
+
+#define proc auto
+
+#ifdef _DEBUG
+# define if_debug if constexpr (true)
+#else
+# define if_debug if constexpr (false)
+#endif
+
+#ifdef _MSC_VER
+# define debug_break() if_debug __debugbreak()
+# define if_windows if constexpr (true)
+# define if_linux   if constexpr (false)
+#else
+# define debug_break() if_debug raise(SIGTRAP)
+# define if_windows if constexpr (false)
+# define if_linux   if constexpr (true)
+#endif
+
+/**
+ *   Defer   *
+*/
+
+template<typename F>
+class defer_finalizer {
+    F f;
+    bool moved;
+public:
+    template<typename T>
+    defer_finalizer(T && f_) : f(std::forward<T>(f_)), moved(false) { }
+
+    defer_finalizer(const defer_finalizer &) = delete;
+
+    defer_finalizer(defer_finalizer && other) : f(std::move(other.f)), moved(other.moved) {
+        other.moved = true;
+    }
+
+    ~defer_finalizer() {
+        if (!moved) f();
+    }
+};
+
+struct {
+    template<typename F>
+    defer_finalizer<F> operator<<(F && f) {
+        return defer_finalizer<F>(std::forward<F>(f));
+    }
+} deferrer;
+
+#define TOKENPASTE(x, y) x ## y
+#define TOKENPASTE2(x, y) TOKENPASTE(x, y)
+#define defer auto TOKENPASTE2(__deferred_lambda_call, __COUNTER__) = deferrer << [&]
diff --git a/profiler.h b/profiler.h
new file mode 100644
index 0000000..2f29085
--- /dev/null
+++ b/profiler.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+
+struct Profiler {
+    inline thread_local static int   thread_id = 0;
+    inline thread_local static FILE* out_file = nullptr;
+    inline static char file_template[40] = "\0";
+
+    Profiler(const char* file, const char* func, const int line) {
+        if (!out_file) {
+            time_t t = time(NULL);
+            tm tm_i;
+            localtime_s(&tm_i, &t);
+
+            if (!file_template[0]) {
+                sprintf(file_template, "%02d.%02d.%04d-%02d.%02d.%02d-%%02d-profiler.report",
+                        tm_i.tm_mday, tm_i.tm_mon+1, tm_i.tm_year+1900,
+                        tm_i.tm_hour, tm_i.tm_min, tm_i.tm_sec);
+            }
+
+            char file_name[38];
+            sprintf(file_name, file_template, thread_id);
+            fopen_s(&out_file, file_name, "w");
+            if (!out_file) {
+                printf("could not open %s\n", file_name);
+            }
+
+        }
+
+        fprintf(out_file, "-> %s %s %d\n", func, file, line);
+    };
+    ~Profiler() {
+        fprintf(out_file, "<-\n");
+    };
+};
+
+#define profile_this Profiler profiler(__FILE__, __FUNCTION__, __LINE__)
diff --git a/test.cpp b/test.cpp
new file mode 100644
index 0000000..3e18e21
--- /dev/null
+++ b/test.cpp
@@ -0,0 +1,21 @@
+#define _CRT_SECURE_NO_WARNINGS
+#include <windows.h>
+
+#include "profiler.h"
+#include "macros.h"
+
+void test() {
+    profile_this;
+
+    printf("doing more work!\n");
+}
+
+int main(int argc, char* argv[]) {
+    profile_this;
+
+    printf("doing some work and sleeping!\n");
+    Sleep(1000); // Sleep a seconds
+    test();
+
+    return 0;
+}
diff --git a/types.h b/types.h
new file mode 100644
index 0000000..dd30bd0
--- /dev/null
+++ b/types.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stdint.h>
+
+typedef int8_t   s8;
+typedef int16_t s16;
+typedef int32_t s32;
+typedef int64_t s64;
+
+typedef uint8_t   u8;
+typedef uint16_t u16;
+typedef uint32_t u32;
+typedef uint64_t u64;
+
+typedef float       f32;
+typedef long double f64;