From 88d22e618325d5e50fadfa196b9ffa17ef0ec55c Mon Sep 17 00:00:00 2001
From: Username404-59 <w.iron.zombie@gmail.com>
Date: Wed, 20 Oct 2021 17:06:02 +0200
Subject: [PATCH] Add a "--buildInfo" argument to print the compiler and
 optimization options used when building

---
 CMakeLists.txt           |  1 +
 src/headers/Yerbacon.hpp | 15 +++++++++++++++
 src/main.cpp             | 14 +++++++++++---
 3 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fc4ad00..a401998 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -79,6 +79,7 @@ elseif(${IS_CLANG})
     endif()
     set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -flto=full -fwhole-program-vtables -fstrict-vtable-pointers")
 endif()
+add_definitions(-DYBCON_FLAGS="${CMAKE_CXX_FLAGS_RELEASE}" -DYBCON_COMPILER="${CMAKE_CXX_COMPILER_ID} ${CMAKE_CXX_COMPILER_VERSION}")
 
 if (MINGW OR MSVC)
     if (UNIX)
diff --git a/src/headers/Yerbacon.hpp b/src/headers/Yerbacon.hpp
index a7d56a5..3c5ad2d 100644
--- a/src/headers/Yerbacon.hpp
+++ b/src/headers/Yerbacon.hpp
@@ -6,6 +6,14 @@
 #define YBCON_VERSION "UNKNOWN"
 #endif
 
+#ifndef YBCON_FLAGS
+#define YBCON_FLAGS "none"
+#endif
+
+#ifndef YBCON_COMPILER
+#define YBCON_COMPILER "unknown"
+#endif
+
 #ifdef __STDC_NO_THREADS__
 #error "A valid std::threads implementation is required"
 #endif
@@ -27,6 +35,11 @@
 
 namespace Yerbacon {
     consteval const char* getVersion() noexcept { return YBCON_VERSION; }
+    consteval const char* getBuildInfo() noexcept { return
+        "Build info:\n"
+        "  Optimization flags: " YBCON_FLAGS "\n"
+        "  Compiler: " YBCON_COMPILER;
+    }
     static void exit(const std::initializer_list<const char*> reason) {
         std::for_each(reason.begin(), reason.end(), [](const char* current_string){
             std::cout << current_string;
@@ -48,4 +61,6 @@ namespace Yerbacon {
 }
 
 #undef YBCON_VERSION
+#undef YBCON_FLAGS
+#undef YBCON_COMPILER
 #endif
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 6300b0c..2cd12af 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -18,8 +18,7 @@ int main(int argc, char* argv[]) {
     for (signed int i = 1; i < argc; ++i)
     {
         const string_view currentArg (argv[i]);
-        if ((argc == 2) && (currentArg == Argument("version"))) { cout << Yerbacon::getVersion() << endl; exit(EXIT_SUCCESS); }
-        else if (currentArg == ArgumentShort("printresult")) printResult = true;
+        if (currentArg == ArgumentShort("printresult")) printResult = true;
         else if (currentArg == ArgumentAssignable("target")) {
             const string_view value = ArgumentAssignable::getValueFor(currentArg);
             if (not value.empty()) (target = '.') += value;
@@ -28,7 +27,16 @@ int main(int argc, char* argv[]) {
         else if (currentArg == Argument("parallel")) parallel = true;
         else if (currentArg == Argument("newlinesoff")) newLines = false;
         else if (currentArg.ends_with(".ybcon")) files.insert(currentArg);
-        else Yerbacon::exit({"\"", currentArg.data(), "\" is not a valid argument."});
+        else {
+            if (argc == 2) {
+                if (currentArg == Argument("version")) {
+                    cout << Yerbacon::getVersion();
+                } else if (currentArg == Argument("buildInfo")) {
+                    cout << Yerbacon::getBuildInfo() ;
+                } else goto invalid_argument;
+                cout << endl; exit(EXIT_SUCCESS);
+            } else invalid_argument: Yerbacon::exit({"\"", currentArg.data(), "\" is not a valid argument."});
+        }
     }
     const auto compile = [&target, &newLines](string_view name) -> string {
         string transpiledString = transpile(parseString(getFileContent(name.data())), target, newLines);