add boost index type in the logger

bin/main.cpp

@@ -33,6 +33,11 @@ int minus(int a)
   return a--;
 }
 
+struct ForTypeTrace
+{
+  int a;
+};
+
 int main(int argc, char *argv[])
 {
   {// ex: string::split_str
@@ -48,16 +53,19 @@ int main(int argc, char *argv[])
   {// ex: container::vector_multiset
     std::vector<std::string> v;
     hack::container::vector_multiset(v, "asdf", "qwer", "zcv");
-    for(const auto& c : v) std::cout << c << std::endl;
+    for(const auto& c : v) hack::log()(c);
   }
 
   {// ex: container::set_multiset
     std::set<int> s;
     hack::container::set_multiset(s, 1, 2, 3, 3, 2, 1);
-    for(const auto& c : s) std::cout << c << std::endl;
+    for(const auto& c : s) hack::log()(c);
   }
 
   {// ex: logger::log
+    int a = 10;
+    ForTypeTrace ftt { 1234 };
+    hack::log::type_trace(a, a, ftt);
     hack::log()(1234, "run in main", 1234);
     hack::warn(" # ")(1234, "run in main", 1234);
     hack::error(" - ")(1234, "run in main", 1234);

meson.build

@@ -22,8 +22,11 @@ elif compiler.get_id() == 'clang'
   message('Compiler: LLVM/clang')
 endif
 
+boost_dep = dependency('boost')
+
 args = []
 deps = []
+deps += boost_dep
 inc = []
 
 subdir('src')

src/logger/logger.hpp

@@ -2,6 +2,8 @@
 
 #include <experimental/source_location>
 
+#include "boost/type_index.hpp"
+
 #include "view/color.hpp"
 #include "concepts/concepts.hpp"
 #include "iterators/sequence_ostream_iterator.hpp"
@@ -10,6 +12,15 @@
 
 namespace hack
 {
+  template<typename T, typename U>
+  void prepare(T t, U u)
+  {
+    std::cout << t
+              << u.file_name() << ":" << view::color::reset 
+              << view::color::italic << view::color::yellow << u.function_name() << "()" << view::color::reset
+              << view::color::bold << view::color::blue << "[" << u.line() << "]" << view::color::reset << ": ";
+  }
+
   class log
   {
     public:
@@ -21,14 +32,19 @@ namespace hack
       template<typename... Args>
       void operator() (const Args&... args)
       {
-        std::cout << make_type_view
-                  << location.file_name() << ":" << view::color::reset 
-                  << view::color::italic << view::color::yellow << location.function_name() << "()" << view::color::reset
-                  << view::color::bold << view::color::blue << "[" << location.line() << "]" << view::color::reset << ": ";
         count = sizeof...(Args);
+        prepare(make_type_view, location);
         print(args...);
       }
 
+      template<typename... Args>
+      static void type_trace(const Args&... args)
+      {
+        std::cout << make_type_view << ": " << view::color::reset;
+        count = sizeof...(Args);
+        print(boost::typeindex::type_id<Args>().pretty_name()...);
+      }
+
     private:
       std::experimental::source_location location;
       static int count;
@@ -127,10 +143,7 @@ namespace hack
       template<typename... Args>
       void operator() (const Args&... args)
       {
-        std::cout << make_type_view
+        prepare(make_type_view, location);
-                  << location.file_name() << ":" << view::color::reset 
-                  << view::color::italic << view::color::yellow << location.function_name() << "()" << view::color::reset
-                  << view::color::bold << view::color::blue << "[" << location.line() << "]" << view::color::reset << ": ";
         count = sizeof...(Args);
         print(args...);
       }
@@ -157,10 +170,7 @@ namespace hack
       template<typename... Args>
       void operator() (const Args&... args)
       {
-        std::cout << make_type_view
+        prepare(make_type_view, location);
-                  << location.file_name() << ":" << view::color::reset 
-                  << view::color::italic << view::color::yellow << location.function_name() << "()" << view::color::reset
-                  << view::color::bold << view::color::blue << "[" << location.line() << "]" << view::color::reset << ": ";
         count = sizeof...(Args);
         print(args...);
       }