Initial commit

.clang-format

@@ -0,0 +1 @@
+./.format/.clang-format

.cmake-format.py

@@ -0,0 +1 @@
+./.format/.cmake-format.py

.gitmodules

@@ -0,0 +1,3 @@
+[submodule ".format"]
+	path = .format
+	url = https://github.com/black-desk/.format

CMakeLists.txt

@@ -0,0 +1,103 @@
+cmake_minimum_required(VERSION 3.11.4) # for RHEL 8
+
+# Let's place extra cmake scripts in /cmake directory
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
+
+# Use this command to update PFL.cmake from GitHub release page: wget -O
+# cmake/PFL.cmake
+# https://github.com/black-desk/PFL.cmake/releases/latest/download/PFL.cmake
+include(PFL)
+
+set(ENABLE_CPM YES)
+if(CMAKE_VERSION VERSION_LESS "3.14")
+  set(ENABLE_CPM NO)
+endif()
+
+if(CPM_LOCAL_PACKAGES_ONLY)
+  set(ENABLE_CPM NO)
+endif()
+
+project(
+  errors
+  VERSION 0.1.0
+  DESCRIPTION ""
+  HOMEPAGE_URL "https://github.com/black-desk/errors"
+  LANGUAGES CXX)
+
+# Use this command to update GitSemver.cmake from GitHub release page: wget -O
+# cmake/GitSemver.cmake
+# https://github.com/black-desk/GitSemver.cmake/releases/latest/download/GitSemver.cmake
+include(GitSemver)
+gitsemver(PROJECT_VERSION)
+
+option(errors_WITH_NLOHMANN_JSON "Build examples and tests with nlohmann_json"
+       ${PROJECT_IS_TOP_LEVEL})
+option(errors_WITH_TL_EXPECTED
+       "Build examples and tests with TartanLlama/expected"
+       ${PROJECT_IS_TOP_LEVEL})
+
+pfl_init()
+
+macro(cpm_add_dependencies)
+  if(errors_WITH_NLOHMANN_JSON)
+    CPMFindPackage(
+      NAME nlohmann_json
+      VERSION 3.5.0
+      URL "https://github.com/nlohmann/json/archive/refs/tags/v3.5.0.tar.gz"
+      EXCLUDE_FROM_ALL ON
+      OPTIONS "JSON_BuildTests OFF")
+  endif()
+
+  if(errors_WITH_TL_EXPECTED)
+    CPMFindPackage(
+      NAME tl-expected
+      VERSION 1.0.0
+      GITHUB_REPOSITORY TartanLlama/expected
+      GIT_TAG v1.1
+      EXCLUDE_FROM_ALL ON)
+    if(NOT TARGET tl::expected)
+      add_library(tl::expected ALIAS tl-expected)
+    endif()
+  endif()
+
+  if(errors_ENABLE_TESTING)
+    CPMAddPackage(
+      NAME Catch2
+      GITHUB_REPOSITORY catchorg/Catch2
+      GIT_TAG v3.4.0
+      VERSION 3.4.0)
+    list(APPEND CMAKE_MODULE_PATH ${Catch2_SOURCE_DIR}/extras)
+    message(STATUS "CMAKE_MODULE_PATH: ${CMAKE_MODULE_PATH}")
+  endif()
+endmacro()
+
+# Use this command to update CPM.cmake from GitHub release page: wget -O
+# cmake/CPM.cmake
+# https://github.com/cpm-cmake/CPM.cmake/releases/latest/download/CPM.cmake
+if(NOT ENABLE_CPM)
+  message(STATUS "CPM.cmake disabled.")
+else()
+  include(CPM)
+  cpm_add_dependencies()
+endif()
+
+pfl_add_library(
+  LIBRARY_TYPE
+  HEADER_ONLY
+  SOURCES
+  # find -regex '\./\(src\|include\)/.+\.[ch]\(pp\)?\(\.in\)?' -type f | sort
+  ./include/errors/config.hpp.in
+  ./include/errors/error.hpp
+  ./include/errors/source_location.hpp
+  ./include/errors/version.hpp
+  ./src/errors/config.cpp
+  ./src/errors/error.cpp
+  ./src/errors/version.cpp
+  EXAMPLES
+  print-messages
+  use-with-expected
+  TESTS
+  errors-unit-tests
+  COMPILE_FEATURES
+  INTERFACE
+  cxx_std_17)

README.md

@@ -0,0 +1 @@
+# A header only golang-like error warping library for c++17