update error_handling project CMake file

Chapter07/error_handling/.vscode/settings.json

@@ -2,7 +2,49 @@
     "files.associations": {
         "span": "cpp",
         "array": "cpp",
-        "string_view": "cpp"
+        "string_view": "cpp",
+        "exception": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "cctype": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "vector": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "initializer_list": "cpp",
+        "iosfwd": "cpp",
+        "limits": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "cinttypes": "cpp",
+        "typeinfo": "cpp"
     },
     "C_Cpp.errorSquiggles": "disabled"
 }

Chapter07/error_handling/CMakeLists.txt

@@ -9,7 +9,23 @@ set(CMAKE_OBJCOPY "arm-none-eabi-objcopy")
 set(CMAKE_SIZE "arm-none-eabi-size")
 
 set(RENODE "renode" CACHE STRING "Path to Renode executable")
-message(STATUS "Using Renode at: ${RENODE}")
+
+set(MAIN_CPP_PATH "${CMAKE_SOURCE_DIR}/app/src/")
+set(MAIN_CPP_FILE_NAME "main_assert.cpp" CACHE STRING "main file")
+list(APPEND LIB_SPECS "-specs=nosys.specs")
+
+set(EXCEPTIONS_FLAGS "-fno-exceptions -fno-rtti")
+
+if("${MAIN_CPP_FILE_NAME}" STREQUAL "main_exceptions.cpp")
+    message(STATUS "Enabling exceptions")
+    set(EXCEPTIONS_FLAGS "-fexceptions")
+    set(LIB_SPECS "-specs=nosys.specs")
+else()
+    message(STATUS "Exceptions are disabled")
+    list(APPEND LIB_SPECS "-specs=nano.specs")
+endif()
+message(STATUS "Exceptions flags set to: ${EXCEPTIONS_FLAGS}")
+message(STATUS "Lib specs set to: ${LIB_SPECS}")
 
 
 find_program(CCACHE_FOUND ccache)
@@ -23,11 +39,11 @@ set(CDEFS "-DUSE_HAL_DRIVER -DSTM32F072xB")
 set(MCU "-mcpu=cortex-m0 -mthumb")
 set(COMMON_FLAGS "${MCU} ${CDEFS}  -fdata-sections -ffunction-sections  -Wno-address-of-packed-member -Wall -Wextra -Wno-unused-parameter")
 set(CMAKE_C_FLAGS "${COMMON_FLAGS}")
-set(CMAKE_CXX_FLAGS "${COMMON_FLAGS} -Wno-register -fno-exceptions -fno-rtti -fno-threadsafe-statics")
+set(CMAKE_CXX_FLAGS "${COMMON_FLAGS} -Wno-register ${EXCEPTIONS_FLAGS} -fno-threadsafe-statics")
 set(CMAKE_ASM_FLAGS "${COMMON_FLAGS} -x assembler-with-cpp")
 
-set(CMAKE_C_FLAGS_DEBUG "-g -gdwarf-2 -O1")
+set(CMAKE_C_FLAGS_DEBUG "-g -gdwarf-2 -O0")
-set(CMAKE_CXX_FLAGS_DEBUG "-g -gdwarf-2 -O1")
+set(CMAKE_CXX_FLAGS_DEBUG "-g -gdwarf-2 -O0")
 set(CMAKE_C_FLAGS_RELEASE "-O2 -flto")
 set(CMAKE_CXX_FLAGS_RELEASE "-O2 -flto")
 set(CMAKE_C_FLAGS_MINSIZEREL "-Os -flto")
@@ -83,9 +99,6 @@ include_directories(
   ${CMAKE_SOURCE_DIR}/cstdlib_support
   )
 
-set(MAIN_CPP_PATH "${CMAKE_SOURCE_DIR}/app/src/")
-set(MAIN_CPP_FILE_NAME "main_assert.cpp" CACHE STRING "main")
-
 set(EXECUTABLE ${PROJECT_NAME}.elf)
 
 add_executable(
@@ -118,8 +131,7 @@ target_link_options(
   -T${CMAKE_SOURCE_DIR}/platform/STM32F072C8Tx_FLASH.ld
   -mcpu=cortex-m0
   -mthumb
-  -specs=nano.specs
+  ${LIB_SPECS}
-  -specs=nosys.specs
   -lnosys
   -u
   -lc

Chapter07/error_handling/app/src/main_exceptions.cpp

@@ -1,7 +1,9 @@
 #include <cstdint>
 #include <cstdio>
 #include <cstdlib>
+#include <csignal>
 #include <exception>
+#include <stdexcept>
 
 #include <stm32f072xb.h>
 
@@ -39,11 +41,27 @@ int main()
 
     std::array<int, 4> arr;
 
-    arr.at(5) = 6;
+    //arr.at(5) = 6;
 
-    printf("Exceptions example\r\n");
+    //throw 1;
+    try {
+      //throw 1;
+      arr.at(5) = 6;
+      
+    }
+    catch (int i) {
+      printf("i = %d\r\n", i);
+    }
+    catch(std::out_of_range) {
+      printf("out of range\r\n");
+    }
+    catch (...) {
+      printf("Catch\r\n");
+    }
+    
 
     while(true)
     {
     }
 }
+