Added C# compilation through the mono-devel package

Author: Amaras

Dockerfile

@@ -6,7 +6,7 @@ FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
 
 # [Optional] Uncomment this section to install additional OS packages.
 RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-    && apt-get -y install --no-install-recommends build-essential software-properties-common xz-utils g++ sbcl julia python3 python3-pip python3-dev ghc openjdk-11-jdk libssl-dev gfortran libxml2-dev libyaml-dev libgmp-dev libz-dev libncurses5 gnuplot nodejs npm lua5.3 ocaml php ruby-full gnu-smalltalk scratch libfftw3-dev cmake
+    && apt-get -y install --no-install-recommends build-essential software-properties-common xz-utils g++ sbcl julia python3 python3-pip python3-dev ghc openjdk-11-jdk libssl-dev gfortran libxml2-dev libyaml-dev libgmp-dev libz-dev libncurses5 gnuplot nodejs npm lua5.3 ocaml php ruby-full gnu-smalltalk scratch libfftw3-dev cmake mono-devel
 
 # Setup Crystal
 RUN echo 'deb http://download.opensuse.org/repositories/devel:/languages:/crystal/xUbuntu_20.04/ /' | sudo tee /etc/apt/sources.list.d/devel:languages:crystal.list
@@ -98,7 +98,7 @@ ENV PATH=$PATH:~/elm
 
 # Setup V
 RUN mkdir -p ~/vlang && wget https://github.com/vlang/v/releases/download/weekly.2021.44/v_linux.zip -O ~/vlang/vlang.zip && \
-    unzip ~/vlang/vlang.zip -d ~/vlang 
+    unzip ~/vlang/vlang.zip -d ~/vlang
 ENV PATH=$PATH:~/vlang/v
 
 # Install the packages that needed extra help
@@ -109,4 +109,3 @@ RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
 RUN pip install wheel matplotlib numpy coconut scons
 
 RUN sudo sh -c 'npm install -g typescript'
-

SConstruct

@@ -28,6 +28,7 @@ available_languages = {
     'bash',
     'c',
     'cpp',
+    'csharp',
     'fortran',
     'java',
     'julia',
@@ -43,6 +44,7 @@ available_languages = {
 
 languages_to_import = {
     'coconut': ['coconut'],
+    'csharp': ['mcs'],
     'go': ['go'],
     'rust': ['rustc', 'cargo'],
     'kotlin': ['kotlin'],
@@ -77,6 +79,7 @@ languages = {
     'c': 'c',
     'coconut': 'coco',
     'cpp': 'cpp',
+    'csharp': 'cs',
     'fortran': 'f90',
     'go': 'go',
     'java': 'java',

builders/mcs.py

@@ -0,0 +1,37 @@
+from SCons.Builder import Builder
+import SCons.Util
+
+class ToolMCSWarning(SCons.Warnings.SConsWarning):
+    pass
+
+class MCSNotFound(ToolMCSWarning):
+    pass
+
+SCons.Warnings.enableWarningClass(ToolMCSWarning)
+
+def _detect(env):
+    try:
+        return env['mcs']
+    except KeyError:
+        pass
+
+    go = env.WhereIs('mcs')
+    if go:
+        return go
+
+    SCons.Warnings.warn(MCSNotFound, 'Could not find mcs executable')
+
+def exists(env):
+    env.Detect('mcs')
+
+def generate(env):
+    env['MCS'] = _detect(env)
+    env['MCSFLAGS'] = []
+
+    mcs_builder = Builder(
+        action='"$MCS" -out:$TARGET $MCSFLAGS $SOURCES',
+        src_suffix='.cs',
+        suffix='$PROGSUFFIX',
+    )
+
+    env.Append(BUILDERS={'MCS': mcs_builder})

sconscripts/csharp_SConscript

@@ -0,0 +1,15 @@
+Import('files_to_compile env')
+
+language = files_to_compile[0].language
+chapter = files_to_compile[0].chapter
+
+from collections import defaultdict
+chapter_files = defaultdict(list)
+
+for file_info in files_to_compile:
+    chapter_files[file_info.chapter].append(file_info.path)
+
+for chapter, files in chapter_files.items():
+    build_target = f'#/build/{language}/{chapter}/{chapter}'
+    build_result = env.MCS(build_target, [str(file) for file in files])
+    env.Alias(str(chapter), build_result)