embedded mono runtime

.gitignore

@@ -20,3 +20,4 @@ temp/
 logs/
 log/
 *.log
+mono/

.vscode/c_cpp_properties.json

@@ -7,6 +7,7 @@
                 "DEBUG=1"
             ],
             "includePath": [
+                "dependencies/include",
                 "dependencies/include/SDL2",
                 "dependencies/imgui",
                 "${default}"

README.md

@@ -12,12 +12,37 @@ git clone --recurse-submodules https://timerix.ddns.net:3322/Timerix/ougge.git
     - On **Windows** download pre-built dll's from github releases and put them into `dependencies/precompiled/`.
 4. Symlink SDL headers directory to `dependencies/include`.
     ```sh
-    cd ../ougge
     ln -s SDL2_HEADERS_DIRECTORY_ABSOLUTE_PATH -T dependencies/include/SDL2
     ```
     Location of the headers can be found by `pkg-config --cflags --libs sdl2`. 
     Mingw installs SDL2 headers to `/mingw64/include/SDL2`. 
-5. Compile the program
+5. Install [mono](https://github.com/mono/mono).
+    1. Download and extract [sources](https://download.mono-project.com/sources/mono/index.html)
+        ```sh
+        mkdir mono
+        cd mono
+        wget https://download.mono-project.com/sources/mono/mono-6.12.0.199.tar.xz
+        tar xJf mono-6.12.0.199.tar.xz
+        mv mono-6.12.0.199/* ./
+        rm -r mono-6.12.0.199
+        rm mono-6.12.0.199.tar.xz
+        ```
+    2. Install `libz autoconf automake libtool gettext cmake python3 curl` and 
+    3. Build mono. If something doesn't work, read [documentation](https://www.mono-project.com/docs/compiling-mono/)
+        ```sh
+        mkdir -p mono_prefix
+        ./autogen.sh --prefix=$(realpath mono_prefix) --disable-boehm
+        make get-monolite-latest
+        make -j8
+        make install
+        ```
+    3. Install `patchelf`
+    4. Install mono files in project.
+        ```sh
+        cd ..
+        cbuild get_mono_files_from=mono/mono_prefix
+        ```
+7. Compile the program
     ```sh
     cbuild build_exec_dbg
     ```

dependencies/precompiled.config

@@ -7,13 +7,17 @@ DEP_POST_BUILD_COMMAND=''
 DEP_CLEAN_COMMAND=''
 # won't be copied to project $OUTDIR
 DEP_STATIC_OUT_FILES=$(find dependencies/precompiled -name '*.a' | sed 's,dependencies/precompiled/,,')
+PRESERVE_OUT_DIRECTORY_STRUCTURE=true
 # will be copied tp project $OUTDIR
 case $OS in
     WINDOWS)
-        DEP_DYNAMIC_OUT_FILES=$(find dependencies/precompiled -name '*.dll' | sed 's,dependencies/precompiled/,,')
+        DEP_DYNAMIC_OUT_FILES="$(find dependencies/precompiled -name '*.dll' | sed 's,dependencies/precompiled/,,')"
+        DEP_OTHER_OUT_FILES=""
         ;;
     LINUX)
-        DEP_DYNAMIC_OUT_FILES=$(find dependencies/precompiled -name '*.so' | sed 's,dependencies/precompiled/,,')
+        DEP_DYNAMIC_OUT_FILES="$(find dependencies/precompiled -name '*.so' | sed 's,dependencies/precompiled/,,')
+        $(find dependencies/precompiled -name '*.so.*' | sed 's,dependencies/precompiled/,,')"
+        DEP_OTHER_OUT_FILES="mono-libs/mscorlib.dll mono-libs/config.xml"
         ;;
     *)
         error "operating system $OS has no configuration variants"

project.config

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-CBUILD_VERSION=2.1.2
+CBUILD_VERSION=2.1.4
 CONFIG_VERSION=1
 
 PROJECT="ougge"
@@ -28,7 +28,7 @@ OUTDIR="bin"
 STATIC_LIB_FILE="lib$PROJECT.a"
 
 # header include directories
-INCLUDE="-I./dependencies/imgui -I./dependencies/include/SDL2"
+INCLUDE="-I./dependencies/imgui -I./dependencies/include -I./dependencies/include/SDL2"
 
 # OS-specific options
 case "$OS" in
@@ -58,7 +58,7 @@ case "$TASK" in
         # -fprofile-use enables compiler to use profiling info files to optimize executable
         # -fprofile-prefix-path sets path where profiling info about objects are be saved
         # -fdata-sections -ffunction-sections -Wl,--gc-sections  removes unused code
-        C_ARGS="-O2 -flto=auto -fuse-linker-plugin -fprofile-use -fprofile-prefix-path=$(realpath $OBJDIR)/objects -fdata-sections -ffunction-sections -Wl,--gc-sections"
+        C_ARGS="-rdynamic -O2 -flto=auto -fuse-linker-plugin -fprofile-use -fprofile-prefix-path=$(realpath $OBJDIR)/objects -fdata-sections -ffunction-sections -Wl,--gc-sections"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
         PRE_TASK_SCRIPT=
@@ -67,16 +67,16 @@ case "$TASK" in
         ;;
     # creates executable with debug info and no optimizations
     build_exec_dbg)
-        C_ARGS="-O0 -g3"
+        C_ARGS="-rdynamic -O0 -g3"
         CPP_ARGS="$C_ARGS"
-        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
+        LINKER_ARGS="$CPP_ARGS $LINKER_LIBS -Wl,-rpath=mono-libs"
         PRE_TASK_SCRIPT=
         TASK_SCRIPT=cbuild/default_tasks/build_exec.sh
         POST_TASK_SCRIPT=
         ;;
     # creates shared library
     build_shared_lib)
-        C_ARGS="-O2 -fpic -flto -shared"
+        C_ARGS="-rdynamic -O2 -fpic -flto -shared"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS -Wl,-soname,$SHARED_LIB_FILE"
         PRE_TASK_SCRIPT=
@@ -85,7 +85,7 @@ case "$TASK" in
         ;;
     # creates shared library with debug symbols and no optimizations
     build_shared_lib_dbg)
-        C_ARGS="-O0 -g3 -fpic -shared"
+        C_ARGS="-rdynamic -O0 -g3 -fpic -shared"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS -Wl,-soname,$SHARED_LIB_FILE"
         PRE_TASK_SCRIPT=
@@ -94,7 +94,7 @@ case "$TASK" in
         ;;
     # creates static library
     build_static_lib)
-        C_ARGS="-O2 -fpic -fdata-sections -ffunction-sections"
+        C_ARGS="-rdynamic -O2 -fpic -fdata-sections -ffunction-sections"
         CPP_ARGS="$C_ARGS"
         PRE_TASK_SCRIPT=
         TASK_SCRIPT=cbuild/default_tasks/build_static_lib.sh
@@ -102,7 +102,7 @@ case "$TASK" in
         ;;
     # creates static library with debug symbols and no optimizations
     build_static_lib_dbg)
-        C_ARGS="-O0 -g3"
+        C_ARGS="-rdynamic -O0 -g3"
         CPP_ARGS="$C_ARGS"
         PRE_TASK_SCRIPT=
         TASK_SCRIPT=cbuild/default_tasks/build_static_lib.sh
@@ -126,7 +126,7 @@ case "$TASK" in
         # -pg adds code to executable, that generates file containing function call info (gmon.out)
         # -fprofile-generate generates executable with profiling code
         # -fprofile-prefix-path sets path where profiling info about objects will be saved
-        C_ARGS="-O2 -flto=auto -fuse-linker-plugin -fprofile-generate -fprofile-prefix-path=$(realpath $OBJDIR)/objects"
+        C_ARGS="-rdynamic -O2 -flto=auto -fuse-linker-plugin -fprofile-generate -fprofile-prefix-path=$(realpath $OBJDIR)/objects"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
         PRE_TASK_SCRIPT=cbuild/default_tasks/build_exec.sh
@@ -139,7 +139,7 @@ case "$TASK" in
     gprof)
         OUTDIR="$OUTDIR/gprof"
         # -pg adds code to executable, that generates file containing function call info (gmon.out)
-        C_ARGS="-O2 -flto=auto -fuse-linker-plugin -pg"
+        C_ARGS="-rdynamic -O2 -flto=auto -fuse-linker-plugin -pg"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
         PRE_TASK_SCRIPT=cbuild/default_tasks/build_exec.sh
@@ -153,7 +153,7 @@ case "$TASK" in
     callgrind)
         OUTDIR="$OUTDIR/callgrind"
         # -pg adds code to executable, that generates file containing function call info (gmon.out)
-        C_ARGS="-O2 -flto=auto -fuse-linker-plugin"
+        C_ARGS="-rdynamic -O2 -flto=auto -fuse-linker-plugin"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
         PRE_TASK_SCRIPT=cbuild/default_tasks/build_exec.sh
@@ -163,7 +163,7 @@ case "$TASK" in
     # compiles executable with sanitizers and executes it to find errors and warnings
     sanitize)
         OUTDIR="$OUTDIR/sanitize"
-        C_ARGS="-O0 -g3 -fsanitize=undefined,address"
+        C_ARGS="-rdynamic -O0 -g3 -fsanitize=undefined,address"
         CPP_ARGS="$C_ARGS"
         LINKER_ARGS="$CPP_ARGS $LINKER_LIBS"
         PRE_TASK_SCRIPT=cbuild/default_tasks/build_exec.sh
@@ -176,6 +176,9 @@ case "$TASK" in
     rebuild_dependencies)
         TASK_SCRIPT=cbuild/default_tasks/rebuild_dependencies.sh
         ;;
+    get_mono_files_from)
+        TASK_SCRIPT=tasks/get_mono_files_from.sh
+        ;;
     # deletes generated files
     clean)
         TASK_SCRIPT=cbuild/default_tasks/clean.sh

src/main.cpp

@@ -5,6 +5,9 @@
 #include "Game/Scene.hpp"
 #include "format.hpp"
 #include "exceptions.hpp"
+#include <mono/jit/jit.h>
+#include <mono/metadata/assembly.h>
+#include <mono/metadata/mono-config.h>
 
 using namespace ougge;
 
@@ -15,6 +18,26 @@ void update(f64 deltaTime){
 int main(int argc, const char** argv){
     try {
         Resources::init();
+        mono_set_dirs("mono-libs", "mono-libs");
+        mono_set_assemblies_path("mono-libs");
+        mono_config_parse("mono-libs/config.xml");
+        std::cout<<"mono_root_dir: "<<mono_assembly_getrootdir()<<std::endl;
+        std::cout<<"mono_config_dir: "<<mono_get_config_dir()<<std::endl;
+        MonoDomain* domain = mono_jit_init("myapp");
+        if(!domain)
+            throw UsefulException("can't initialize mono domain");
+        std::cout<<"jit domain initialized"<<std::endl;
+        MonoAssembly* assembly = mono_domain_assembly_open(domain, "app.exe");
+        if(!assembly)
+            throw UsefulException("can't load assembly");
+        char* mono_argv[] = { "app.exe" };
+        int mono_argc = 1;
+        int retval = mono_jit_exec(domain, assembly, mono_argc, mono_argv);
+        if(retval)
+            throw new UsefulException(format("managed assembly returned error code: %i", retval));
+        mono_jit_cleanup(domain);
+        return 0;
+
         GUI::MainWindow w;
         w.open("ougge", update);
         w.startUpdateLoop();

tasks/get_mono_files_from.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+mono_prefix_path="$TASK_ARGS"
+if [ -z "$mono_prefix_path" ]; then
+    error "required argument 'mono_prefix_path'
+        Usage: cbuild get_mono_files_from=mono_prefix_path"
+fi
+myprint "${BLUE}mono prefix: ${WHITE}$mono_prefix_path"
+
+# copy headers
+rm -rf 'dependencies/include/mono'
+mkdir -p 'dependencies/include'
+cp -r "$mono_prefix_path/include/mono-2.0/mono" 'dependencies/include/'
+rm -rf "dependencies/precompiled/mono-libs"
+mkdir -p "dependencies/precompiled/mono-libs"
+
+case "$OS" in
+    LINUX)
+        # copy mono dynamic libraries
+        shared_libs=$(find "$mono_prefix_path/lib" -maxdepth 1 \( -name '*.so*' -a -not -name '*-profiler*' \) -type f)
+        if [ -z "$shared_libs" ]; then
+            error "can't find mono shared libraries"
+        fi
+        for l in $shared_libs ; do
+            cp -v "$l" "dependencies/precompiled/mono-libs/"
+        done
+        so_v_libs=$(find "dependencies/precompiled/mono-libs" -name '*.so.*')
+        for l in $so_v_libs ; do
+            l_basename=$(basename "$l")
+            soname_without_version=$(safeprint "$l_basename" | sed 's,.so.*,.so,')
+            myprint "${BLUE}patching ${WHITE}$l_basename${BLUE}: replacing soname with ${CYAN}$soname_without_version"
+            patchelf --set-soname "$soname_without_version" "$l"
+            mv -v "$l" "dependencies/precompiled/mono-libs/$soname_without_version"
+        done
+        
+        # copy mono c# libraries
+        managed_libraries="mscorlib.dll"
+        myprint "${BLUE}copying mono managed libraries"
+        for l in $managed_libraries ; do
+            cp -v "$mono_prefix_path/lib/mono/4.5/$l" "dependencies/precompiled/mono-libs/"
+        done
+        
+        # copy config
+        myprint "${BLUE}copying mono config"
+        cp "$mono_prefix_path/etc/mono/config" "dependencies/precompiled/mono-libs/config.xml"
+        myprint "${BLUE}removing '$mono_libdir/' from mono config"
+        sed 's,$mono_libdir/,,g' -i "dependencies/precompiled/mono-libs/config.xml"
+        ;;
+    *)
+        error "operating system $OS has no configuration variants"
+        ;;
+esac
+
+myprint "${GREEN}mono files were copied successfully!"