From 73503f6f489d55091a0279bb5341275e1100f036 Mon Sep 17 00:00:00 2001
From: Thraix <thraix@hotmail.com>
Date: Sun, 10 Jun 2018 16:51:44 +0200
Subject: [PATCH] Add timer to print how long the generation took

---
 Makefile     |  2 +-
 src/Common.h |  5 ++++-
 src/Timer.h  | 23 +++++++++++++++++++++++
 src/main.cpp |  4 ++++
 4 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 src/Timer.h

diff --git a/Makefile b/Makefile
index e8e5f20..674ca30 100644
--- a/Makefile
+++ b/Makefile
@@ -31,6 +31,6 @@ $(OBJPATH)/IncludeDeps.o : src/IncludeDeps.cpp src/IncludeDeps.h
 $(OBJPATH)/Makefile.o : src/Makefile.cpp src/Common.h src/IncludeDeps.h src/Makefile.h src/ConfigFile.h
 	$(info -[75%]- $<)
 	$(CC) $(CFLAGS) -o $@ $<
-$(OBJPATH)/main.o : src/main.cpp src/Common.h src/ConfigFile.h src/IncludeDeps.h src/Makefile.h 
+$(OBJPATH)/main.o : src/main.cpp src/Common.h src/ConfigFile.h src/IncludeDeps.h src/Makefile.h  src/Timer.h
 	$(info -[100%]- $<)
 	$(CC) $(CFLAGS) -o $@ $<
diff --git a/src/Common.h b/src/Common.h
index f2244b1..b047f50 100644
--- a/src/Common.h
+++ b/src/Common.h
@@ -7,9 +7,12 @@
 #define STRINGIFY(x) #x
 #define STR(x) STRINGIFY(x)
 
+// Major changes, probably not be backwards compatible
 #define MAKEGEN_VERSION_MAJOR 1
+// Release , should be backwards compatible with any minor version
 #define MAKEGEN_VERSION_RELEASE 0
-#define MAKEGEN_VERSION_MINOR 4
+// Minor changes, should be compatible with any other minor version with same major and release.
+#define MAKEGEN_VERSION_MINOR 5
 #define MAKEGEN_VERSION ("v" STR(MAKEGEN_VERSION_MAJOR) "." STR(MAKEGEN_VERSION_RELEASE) "." STR(MAKEGEN_VERSION_MINOR))
 
 const static unsigned int FLAG_HELP = BIT(0);
diff --git a/src/Timer.h b/src/Timer.h
new file mode 100644
index 0000000..c23022c
--- /dev/null
+++ b/src/Timer.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include <chrono>
+
+class Timer
+{
+  private:
+    std::chrono::time_point<std::chrono::high_resolution_clock> m_start;
+  public:
+    Timer(){
+      Reset();
+    }
+
+    void Reset()
+    {
+      m_start = std::chrono::high_resolution_clock::now();
+    }
+
+    float Elapsed()
+    {
+      return std::chrono::duration_cast<std::chrono::duration<float,std::milli>>(std::chrono::high_resolution_clock::now() - m_start).count() / 1000.0f;
+    }
+};
diff --git a/src/main.cpp b/src/main.cpp
index 4b1444a..ecf032f 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,10 +4,12 @@
 #include <vector>
 #include <map>
 #include <fstream>
+#include <cmath>
 #include "Common.h"
 #include "IncludeDeps.h"
 #include "ConfigFile.h"
 #include "Makefile.h"
+#include "Timer.h"
 
 void GenMakefile()
 {
@@ -70,7 +72,9 @@ int main(int argc, char** argv)
     return 0;
   }
   LOG_INFO("Generating Makefile...");
+  Timer timer;
   GenMakefile();
+  LOG_INFO("Took ", round(timer.Elapsed()*1000.0)/1000.0,"s");
   LOG_INFO("Running Makefile...");
   for(int i = 1;i<argc;i++)
   {