Use bindgen bash scripts in GitHub Actions

.github/workflows/bindgen.yml

@@ -13,9 +13,9 @@ jobs:
       fail-fast: false
       matrix:
         platform:
-          - { name: Windows, os: windows-latest, rid: win, config_filename: config-extract-windows.json }
-          - { name: macOS, os: macos-latest, rid: osx, config_filename: config-extract-macos.json }
-          - { name: Linux, os: ubuntu-latest, rid: linux, config_filename: config-extract-linux.json }
+          - { name: Windows, os: windows-latest, rid: win }
+          - { name: macOS, os: macos-latest, rid: osx }
+          - { name: Linux, os: ubuntu-latest, rid: linux }
 
     steps:
       - name: "Clone Git repository"
@@ -33,7 +33,7 @@ jobs:
 
       - name: "Read C code: extract ${{ matrix.platform.rid }}"
         shell: bash
-        run: cd ./bindgen && castffi extract --config "./${{ matrix.platform.config_filename }}"
+        run: cd ./bindgen && ./extract.sh
 
       - name: "Upload C code platform abstract syntax trees"
         uses: actions/upload-artifact@v2
@@ -76,7 +76,7 @@ jobs:
 
       - name: "Generate cross-platform AST"
         shell: bash
-        run: cd ./bindgen && castffi merge --inputDirectoryPath "./ast" --outputFilePath "./ast-cross-platform.json"
+        run: cd ./bindgen && ./merge.sh
 
       - name: "Upload cross-platform AST"
         uses: actions/upload-artifact@v2
@@ -107,7 +107,7 @@ jobs:
 
       - name: "Generate C# code"
         shell: bash
-        run: cd ./bindgen && c2cs generate --config "./config-generate-cs.json"
+        run: cd ./bindgen && ./generate.sh
 
       - name: "Upload generated C# code"
         uses: actions/upload-artifact@v2

bindgen/extract.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+DIRECTORY="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+function get_host_operating_system() {
+    local UNAME_STRING="$(uname -a)"
+    case "${UNAME_STRING}" in
+        *Microsoft*)    local HOST_OS="windows";;
+        *microsoft*)    local HOST_OS="windows";;
+        Linux*)         local HOST_OS="linux";;
+        Darwin*)        local HOST_OS="macos";;
+        CYGWIN*)        local HOST_OS="linux";;
+        MINGW*)         local HOST_OS="windows";;
+        *Msys)          local HOST_OS="windows";;
+        *)              local HOST_OS="UNKNOWN:${UNAME_STRING}"
+    esac
+    echo "$HOST_OS"
+    return 0
+}
+
+OS="$(get_host_operating_system)"
+
+if [[ "$OS" == "windows" ]]; then
+    CASTFFI_CONFIG_FILE_PATH="$DIRECTORY/config-extract-windows.json"
+elif [[ "$OS" == "macos" ]]; then
+    CASTFFI_CONFIG_FILE_PATH="$DIRECTORY/config-extract-macos.json"
+elif [[ "$OS" == "linux" ]]; then
+    CASTFFI_CONFIG_FILE_PATH="$DIRECTORY/config-extract-linux.json"
+else
+    echo "Error: Unknown operating system '$OS'" >&2
+    exit 1
+fi
+
+if ! [[ -x "$(command -v castffi)" ]]; then
+  echo "Error: 'castffi' is not installed. Please visit https://github.com/bottlenoselabs/CAstFfi for instructions to install the CAstFfi tool." >&2
+  exit 1
+fi
+
+castffi extract --config "$CASTFFI_CONFIG_FILE_PATH"

bindgen/generate.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+DIRECTORY="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+if ! [[ -x "$(command -v c2cs)" ]]; then
+  echo "Error: 'c2cs' is not installed. Please visit https://github.com/bottlenoselabs/C2CS for instructions to install the C2CS tool." >&2
+  exit 1
+fi
+
+c2cs generate -config "$DIRECTORY/config-generate-cs.json"

bindgen/merge.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+DIRECTORY="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+if ! [[ -x "$(command -v castffi)" ]]; then
+  echo "Error: 'castffi' is not installed. Please visit https://github.com/bottlenoselabs/CAstFfi for instructions to install the CAstFfi tool." >&2
+  exit 1
+fi
+
+castffi merge --inputDirectoryPath "$DIRECTORY/ast" --outputFilePath "$DIRECTORY/x-ast/ast-cross-platform.json"