Merge pull request #98 from bkryza/fix-building-internal-clang-uml-diagrams

Fix building internal clang uml diagrams

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
     - name: Update package database
       run: sudo apt -y update
     - name: Install deps
-      run: sudo apt -y install git make gcc-10 g++-10 ccache cmake libyaml-cpp-dev llvm-12 clang-12 libclang-12-dev libclang-cpp12-dev clang-format-12 lcov zlib1g-dev
+      run: sudo apt -y install git make pkg-config gcc-10 g++-10 ccache cmake libyaml-cpp-dev llvm-12 clang-12 libclang-12-dev libclang-cpp12-dev clang-format-12 lcov zlib1g-dev libunwind-dev libdw-dev
     - name: Select g++ version
       run: |
         sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 10

CMakeLists.txt

@@ -14,6 +14,10 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CMAKE_VERBOSE_MAKEFILE OFF)
 set(CMAKE_FIND_DEBUG_MODE OFF)
 
+if(UNIX AND NOT APPLE)
+    set(LINUX TRUE)
+endif()
+
 #
 # C++ setup
 #
@@ -155,6 +159,17 @@ endif()
 
 link_directories(${LLVM_LIBRARY_DIR} ${YAML_CPP_LIBRARY_DIR})
 
+#
+# Setup libdw and libunwind
+#
+if(LINUX AND (CMAKE_BUILD_TYPE MATCHES Debug))
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(DW REQUIRED IMPORTED_TARGET libdw)
+    pkg_check_modules(UNWIND REQUIRED IMPORTED_TARGET libunwind)
+    set(BACKWARD_CPP_LIBRARIES PkgConfig::DW PkgConfig::UNWIND)
+    set(ENABLE_BACKWARD_CPP -DENABLE_BACKWARD_CPP)
+endif()
+
 #
 # Setup thirdparty sources
 #

Makefile

@@ -97,7 +97,7 @@ document_test_cases: test_plantuml
 
 clanguml_diagrams: debug
 	mkdir -p docs/diagrams
-	debug/clang-uml
+	debug/src/clang-uml
 	plantuml -tsvg -nometadata docs/diagrams/*.puml
 	python3 util/format_svg.py docs/diagrams/*.svg
 

README.md

@@ -422,6 +422,7 @@ This project relies on the following great tools:
 * [glob](https://github.com/p-ranav/glob) - Unix style path expansion for C++
 * [CLI11](https://github.com/CLIUtils/CLI11) - command line parser for C++
 * [inja](https://github.com/pantor/inja) - a template engine for modern C++
+* [backward-cpp](https://github.com/bombela/backward-cpp) - stack trace pretty printer for C++
 
 ## Contributing
 

docs/installation.md

@@ -68,7 +68,7 @@ git clone https://github.com/bkryza/clang-uml
 cd clang-uml
 # Please note that top level Makefile is just a convenience wrapper for CMake
 make release
-release/clang-uml --help
+release/src/clang-uml --help
 
 # To build using a specific installed version of LLVM use:
 LLVM_VERSION=14 make release

src/CMakeLists.txt

@@ -25,7 +25,8 @@ endif(MSVC)
 target_compile_features(clang-umllib INTERFACE cxx_std_17)
 target_compile_options(clang-umllib PRIVATE
         $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:GNU>>:
-        -Werror -Wall -Wextra -Wno-unused-parameter -Wno-unused-private-field>
+        -Werror -Wall -Wextra -Wno-unused-parameter -Wno-unused-private-field
+        -Wno-deprecated-declarations>
         $<$<CXX_COMPILER_ID:MSVC>:/MP /W1 /bigobj /wd4291 /wd4624 /wd4244>)
 target_compile_definitions(clang-umllib PRIVATE
         $<$<CXX_COMPILER_ID:MSVC>:
@@ -39,12 +40,16 @@ add_executable(clang-uml ${MAIN_SOURCE_FILE})
 target_compile_features(clang-uml PUBLIC cxx_std_17)
 target_compile_options(clang-uml PRIVATE
         $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:GNU>>:
-        -Werror -Wall -Wextra -Wno-unused-parameter -Wno-unused-private-field>
+        -Werror -Wall -Wextra -Wno-unused-parameter -Wno-unused-private-field
+        -Wno-deprecated-declarations>
         $<$<CXX_COMPILER_ID:MSVC>:/MP /W1 /bigobj /wd4291 /wd4624 /wd4244>)
+target_compile_definitions(clang-uml PRIVATE
+        ${ENABLE_BACKWARD_CPP})
 target_link_libraries(clang-uml
         ${YAML_CPP_LIBRARIES}
         ${LIBTOOLING_LIBS}
         ${MSVC_LIBRARIES}
+        ${BACKWARD_CPP_LIBRARIES}
         clang-umllib
         Threads::Threads)
 

src/class_diagram/visitor/translation_unit_visitor.cc

@@ -897,8 +897,12 @@ void translation_unit_visitor::
             desugared_atsp = deduced_type->getDeducedType();
     }
 
-    const auto *deduced_record_type =
-        desugared_atsp->getAs<clang::RecordType>();
+    if (desugared_atsp.isNull())
+        return;
+
+    const auto *deduced_record_type = desugared_atsp->isRecordType()
+        ? desugared_atsp->getAs<clang::RecordType>()
+        : nullptr;
 
     if (deduced_record_type != nullptr) {
         if (auto *deduced_auto_decl =

src/main.cc

@@ -24,7 +24,9 @@
 #include "util/util.h"
 #include "version.h"
 
-#ifndef NDEBUG
+#ifdef ENABLE_BACKWARD_CPP
+#define BACKWARD_HAS_DW 1
+#define BACKWARD_HAS_LIBUNWIND 1
 #include <backward-cpp/backward.hpp>
 #endif
 
@@ -40,7 +42,7 @@
 #include <iostream>
 #include <util/thread_pool_executor.h>
 
-#ifndef NDEBUG
+#ifdef ENABLE_BACKWARD_CPP
 namespace backward {
 backward::SignalHandling sh; // NOLINT
 } // namespace backward