Cleanup exception stacktraces, so the compile the same on Windows.

Stacktraces still appear to be empty on Windows, but that's an issue for a later day.

.drone.yml

@@ -28,7 +28,7 @@ steps:
       - cmake --build build-release --target all -- -j 4
       - cd build-debug
       - ./ArbutilsTests -s --duration=true --force-colors=true
-      - valgrind --tool=memcheck --gen-suppressions=all --leak-check=full --leak-resolution=med --track-origins=yes --vgdb=no --error-exitcode=1 ./ArbutilsTests --test-case-exclude="Throw exception get stack trace"
+      - valgrind --tool=memcheck --gen-suppressions=all --leak-check=full --leak-resolution=med --track-origins=yes --vgdb=no --error-exitcode=1 ./ArbutilsTests
   - name: test-release-windows
     image: deukhoofd/windowsbuilder
     commands:
@@ -63,6 +63,6 @@ volumes:
       path: /home/docs/Arbutils
 ---
 kind: signature
-hmac: a85bf6d81ed3a176b8761dc084080dc0234b052ef3c60f07bb6b932dac4811d3
+hmac: 38b3e0329693c61f83bcee5a596e6c560a591dc9f8ac8362e60387a99acb3626
 
 ...

CMakeLists.txt

@@ -10,9 +10,9 @@ set(CMAKE_CXX_STANDARD 20)
 
 if (NOT WINDOWS)
     set(CMAKE_POSITION_INDEPENDENT_CODE ON)
-else()
+else ()
     set(CMAKE_POSITION_INDEPENDENT_CODE OFF)
-endif()
+endif ()
 
 option(WINDOWS "Whether the build target is Windows or not." OFF)
 option(SHARED "Whether we should build a shared library, instead of a static one." OFF)
@@ -31,7 +31,7 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     add_link_options(-fuse-ld=lld)
 endif ()
 
-if (CMAKE_BUILD_TYPE MATCHES Release AND NOT WINDOWS)
+if (CMAKE_BUILD_TYPE MATCHES Release)
     # Include debug symbols in all linux builds
     message("Including debug symbols")
     add_compile_options(-g -gline-tables-only)
@@ -66,32 +66,36 @@ if (WINDOWS)
     add_compile_options(-m64)
     if (SHARED)
         set_target_properties(Arbutils PROPERTIES SUFFIX ".dll")
-    endif()
+    endif ()
 endif (WINDOWS)
 
 if (CMAKE_BUILD_TYPE MATCHES "Debug")
     ADD_DEFINITIONS(-DDEBUG)
-endif()
+endif ()
 
 set(LINKS)
-if (NOT WINDOWS AND PRETTYTRACES)
-    set(LINKS ${LINKS} -lbfd -ldl)
+if (PRETTYTRACES)
+    if (NOT WINDOWS)
+        set(LINKS ${LINKS} -ldw)
+    else ()
+        set(LINKS ${LINKS} -ldbghelp -lpsapi)
+    endif ()
     ADD_DEFINITIONS(-DPRETTYTRACES=1)
-endif()
+endif ()
 if (SIGNAL_HANDLING)
     ADD_DEFINITIONS(-DSIGNAL_HANDLING=1)
-endif()
+endif ()
 
 # If we want to link the C and C++ library statically, link those as well.
 if (STATICC)
     message("Linking dependencies statically.")
-    set (CMAKE_SHARED_LINKER_FLAGS "-Wl,--as-needed")
+    set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--as-needed")
     set(LINKS -static-libgcc -static-libstdc++ ${LINKS})
-endif(STATICC)
+endif (STATICC)
 
 if (WINDOWS)
     set(LINKS ${LINKS} -Wl,-Bstatic -lm -lstdc++ -lpthread -Wl,-Bdynamic)
-endif()
+endif ()
 
 target_link_libraries(Arbutils ${LINKS})
 
@@ -120,4 +124,4 @@ if (NOT WINDOWS)
     install(TARGETS Arbutils
             CONFIGURATIONS Release
             RUNTIME DESTINATION lib)
-endif()
+endif ()

src/Exception.hpp

@@ -9,12 +9,10 @@
 #include <source_location>
 #endif
 
-#if !WINDOWS
-#if PRETTYTRACES
-#define BACKWARD_HAS_BFD 1
+#if PRETTYTRACES && !WINDOWS
+#define BACKWARD_HAS_DW 1
 #endif
 #include <backward.hpp>
-#endif
 
 #if defined(__clang__)
 namespace std {
@@ -35,35 +33,24 @@ static constexpr const char* file_name(const char* path) {
 namespace ArbUt {
     /// @brief Implementation of std::logic_error that gives a stack trace when thrown.
     class Exception : std::logic_error {
-#if !WINDOWS
         backward::StackTrace _stack;
-#endif
 
     public:
         /// @brief Throw an exception with specified message.
-        explicit Exception(const std::string& msg) : std::logic_error(msg) {
-#if !WINDOWS
+        explicit Exception(const std::string& msg) : std::logic_error(msg), _stack({}) {
             _stack.load_here(32);
 #if DEBUG
             _stack.skip_n_firsts(2);
 #else
             _stack.skip_n_firsts(0);
-#endif
 #endif
         }
 
         /// @brief Copy operator.
-        Exception(const Exception& e) noexcept
-            : std::logic_error(e.what())
-#if !WINDOWS
-              ,
-              _stack(e._stack)
-#endif
-        {
-        }
+        Exception(const Exception& e) noexcept : std::logic_error(e.what()), _stack(e._stack) {}
         template <typename... Args>
-        /// @brief Throw a nicely formatted exception. The exception message will have the file name, line number, message,
-        /// along with any optional parameters passed.
+        /// @brief Throw a nicely formatted exception. The exception message will have the file name, line number,
+        /// message, along with any optional parameters passed.
         [[noreturn]] static void Throw(const std::string& expression, const std::source_location& location,
                                        const Args... args) {
             std::stringstream error;
@@ -86,14 +73,9 @@ namespace ArbUt {
         /// retrieved.
         [[nodiscard]] std::string GetStacktrace([[maybe_unused]] size_t depth = 6,
                                                 [[maybe_unused]] bool include_addr = true) const {
-#if !WINDOWS
             return BuildStacktraceFromStack(_stack, depth, include_addr);
-#else
-            return "Stack trace not available on Windows.";
-#endif
         }
 
-#if !WINDOWS
         /// @brief Builds a string from a given stack.
         /// @param stack The stack to build the string from.
         /// @param depth The max number of stacks it should retrieve.
@@ -170,7 +152,6 @@ namespace ArbUt {
 
             ss << fileName << "[" << source.line << "] " << snippet << std::endl;
         }
-#endif
     };
 }