Integrate the iod compiler with cmake build system.

Author: matt-42

CMakeLists.txt

@@ -0,0 +1,34 @@
+cmake_minimum_required(VERSION 2.8)
+project(Iod)
+
+
+install(DIRECTORY iod DESTINATION include
+  FILES_MATCHING PATTERN "*.hh")
+install(DIRECTORY iod DESTINATION include
+  FILES_MATCHING PATTERN "*.hpp")
+
+add_subdirectory(tools)
+
+set(IOD_INCLUDE_DIR "include")
+set(CMAKE_CONFIG_DEST "share/iod")
+
+include(CMakePackageConfigHelpers)
+configure_package_config_file (                         
+        ${CMAKE_SOURCE_DIR}/IodConfig.cmake.in
+        ${CMAKE_BINARY_DIR}/IodConfig.cmake
+        INSTALL_DESTINATION ${CMAKE_CONFIG_DEST}
+        PATH_VARS IOD_INCLUDE_DIR CMAKE_CONFIG_DEST)
+
+export(PACKAGE Iod)
+
+configure_file(IodConfigVersion.cmake.in
+  "${PROJECT_BINARY_DIR}/IodConfigVersion.cmake" @ONLY)
+
+install(FILES
+  "${PROJECT_SOURCE_DIR}/IodUse.cmake"
+  "${PROJECT_BINARY_DIR}/IodConfig.cmake"
+  "${PROJECT_BINARY_DIR}/IodConfigVersion.cmake"
+  DESTINATION share/iod)
+ 
+# Install the export set for use with the install-tree
+install(EXPORT IodTargets DESTINATION ${CMAKE_CONFIG_DEST})

IodConfig.cmake.in

@@ -0,0 +1,11 @@
+@PACKAGE_INIT@
+
+# - Config file for the Iod package
+# It defines the following variables
+#  IOD_INCLUDE_DIRS - include directories for Iod
+ 
+set_and_check(IOD_INCLUDE_DIR "@PACKAGE_IOD_INCLUDE_DIR@")
+
+include("@PACKAGE_CMAKE_CONFIG_DEST@/IodTargets.cmake")
+
+set_and_check(IOD_USE_FILE "@PACKAGE_CMAKE_CONFIG_DEST@/IodUse.cmake")

IodConfigVersion.cmake.in

@@ -0,0 +1 @@
+set(PACKAGE_VERSION "1.0")

IodUse.cmake

@@ -0,0 +1,21 @@
+set(IOD_TMP_DIR "${CMAKE_CURRENT_BINARY_DIR}/iod_tmp_dir")
+file(MAKE_DIRECTORY ${IOD_TMP_DIR})
+
+set(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++14")
+
+function(add_iod_executable arg1)
+
+  set(sources "")
+  foreach(iod_compile_rules ${ARGN})
+    set(input_file ${CMAKE_CURRENT_SOURCE_DIR}/${iod_compile_rules})
+    set(output_file ${IOD_TMP_DIR}/${iod_compile_rules})
+    set(sources ${sources} ${output_file})
+
+    add_custom_command(OUTPUT ${IOD_TMP_DIR}/${iod_compile_rules}
+                       COMMAND iodc ${input_file} ${output_file}
+                       DEPENDS ${input_file})
+
+  endforeach(iod_compile_rules)
+  add_executable(${arg1} ${sources})
+
+endfunction(add_iod_executable)

tools/CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 2.8)
+project(Iod)
+
+find_package(Boost)
+add_definitions(-std=c++14)
+
+add_executable(iodc iod_compiler.cc)
+target_link_libraries(iodc boost_regex)
+
+install(TARGETS iodc
+        EXPORT IodTargets
+        DESTINATION bin)

tools/iod_compiler.cc

@@ -17,14 +17,19 @@ int main(int argc, char* argv[])
 {
   using namespace std;
 
-  if (argc == 0)
+  if (argc != 3)
   {
-    cout << "Usage: " << argv[0] << " input_cpp_file" << endl;
+    cout << "Usage: " << argv[0] << " input_iod_cpp_file output_cpp_file" << endl;
     return 1;
   }
 
   ifstream f(argv[1]);
-
+  if (!f)
+  {
+    std::cerr << "Cannot open file " << argv[1] << " for reading." << std::endl;
+    return 1;
+  }
+  
   set<string> symbols;
 
   //  prefix identifier @ symbol_identifier (
@@ -96,7 +101,13 @@ int main(int argc, char* argv[])
     lines.push_back(line);
   }
 
-  auto& os = cout;
+  std::ofstream os(argv[2]);
+  if (!os)
+  {
+    std::cerr << "Cannot open file " << argv[2] << " for writting." << std::endl;
+    return 2;
+  }
+
   os << "// Generated by the iod compiler."  << endl;
   os << "#include <iod/symbol.hh>" << endl;
   for (string s : symbols)
@@ -107,6 +118,11 @@ int main(int argc, char* argv[])
        << "#endif" << endl;
   }
 
+  int i = 1;
   for (auto line : lines)
+  {
+    os << "# " << i << '"' << argv[1] << '"' << std::endl;
     os << line << endl;
+    i++;
+  }
 }