OpenRewrite language module for Pascal

Recursive descent parser with lossless round-trip fidelity for pure
Pascal syntax (ISO 7185 / Turbo Pascal). Includes LST node definitions,
visitor, printer, remote serialization support, and a standalone LST
generator for Moderne CLI integration. 65 parser tests covering programs,
units, control flow, expressions, types, and more.

scripts/install-mod-cli.sh

@@ -0,0 +1,88 @@
+#!/usr/bin/env bash
+#
+# Downloads and installs the Moderne CLI (mod) for use with rewrite-pascal.
+#
+# Usage:
+#   ./scripts/install-mod-cli.sh [--version VERSION]
+#
+# The CLI will be installed to ./build/mod-cli/
+#
+
+set -euo pipefail
+
+MOD_VERSION="${1:-latest}"
+INSTALL_DIR="$(cd "$(dirname "$0")/.." && pwd)/build/mod-cli"
+
+mkdir -p "$INSTALL_DIR"
+
+OS="$(uname -s | tr '[:upper:]' '[:lower:]')"
+ARCH="$(uname -m)"
+
+case "$OS" in
+    linux*)   PLATFORM="linux" ;;
+    darwin*)  PLATFORM="darwin" ;;
+    mingw*|msys*|cygwin*) PLATFORM="windows" ;;
+    *)        echo "Unsupported OS: $OS"; exit 1 ;;
+esac
+
+case "$ARCH" in
+    x86_64|amd64) ARCH="amd64" ;;
+    aarch64|arm64) ARCH="arm64" ;;
+    *)             echo "Unsupported architecture: $ARCH"; exit 1 ;;
+esac
+
+EXT=""
+if [ "$PLATFORM" = "windows" ]; then
+    EXT=".exe"
+fi
+
+MOD_BINARY="$INSTALL_DIR/mod${EXT}"
+
+if [ -f "$MOD_BINARY" ]; then
+    echo "Moderne CLI already installed at: $MOD_BINARY"
+    "$MOD_BINARY" --version 2>/dev/null || true
+    exit 0
+fi
+
+echo "Downloading Moderne CLI for ${PLATFORM}/${ARCH}..."
+
+# Try the official download approach
+# See: https://docs.moderne.io/user-documentation/moderne-cli/getting-started/cli-intro
+DOWNLOAD_URL="https://repo1.maven.org/maven2/io/moderne/moderne-cli"
+
+if [ "$MOD_VERSION" = "latest" ]; then
+    echo "Fetching latest version..."
+    # Try to discover the latest version from Maven Central metadata
+    METADATA_URL="${DOWNLOAD_URL}/maven-metadata.xml"
+    MOD_VERSION=$(curl -sL "$METADATA_URL" | grep -oP '(?<=<latest>)[^<]+' || echo "")
+    if [ -z "$MOD_VERSION" ]; then
+        echo "Could not determine latest version. Please specify a version:"
+        echo "  ./scripts/install-mod-cli.sh 4.0.0"
+        echo ""
+        echo "Check https://docs.moderne.io/releases/cli-releases/ for available versions."
+        exit 1
+    fi
+    echo "Latest version: $MOD_VERSION"
+fi
+
+ARTIFACT_NAME="moderne-cli-${MOD_VERSION}-${PLATFORM}-${ARCH}${EXT}"
+ARTIFACT_URL="${DOWNLOAD_URL}/${MOD_VERSION}/${ARTIFACT_NAME}"
+
+echo "Downloading: $ARTIFACT_URL"
+if curl -fsSL -o "$MOD_BINARY" "$ARTIFACT_URL"; then
+    chmod +x "$MOD_BINARY"
+    echo "Moderne CLI installed to: $MOD_BINARY"
+    "$MOD_BINARY" --version 2>/dev/null || true
+else
+    echo ""
+    echo "Download failed. The Moderne CLI may require authentication or a different download method."
+    echo ""
+    echo "Alternative installation methods:"
+    echo "  - Homebrew (macOS/Linux): brew install moderne/tap/mod"
+    echo "  - Chocolatey (Windows):   choco install moderne-cli"
+    echo "  - Download from:          https://app.moderne.io (requires login)"
+    echo ""
+    echo "Once installed, ensure 'mod' is on your PATH and run:"
+    echo "  mod build ."
+    exit 1
+fi