Will Anderson
165 lines
3.7 KiB
Bash
Executable File
165 lines
3.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# new-project.sh — scaffold a new El project.
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#
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# Usage:
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# ./tools/new-project.sh <project-name>
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#
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# Creates:
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# <project-name>/
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# src/main.el — hello world entry point
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# build.sh — build script using elc + el_runtime.c
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# README.md — minimal project docs
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set -euo pipefail
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if [[ $# -lt 1 ]]; then
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echo "Usage: $0 <project-name>" >&2
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exit 1
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fi
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NAME="$1"
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if [[ -e "${NAME}" ]]; then
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echo "Error: '${NAME}' already exists." >&2
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exit 1
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fi
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# Discover elc — prefer PATH, fall back to the local foundation/el tree
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ELC="elc"
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if ! command -v elc >/dev/null 2>&1; then
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# Try a sibling or parent path convention
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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LOCAL_ELC="${SCRIPT_DIR}/../dist/platform/elc"
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if [[ -x "${LOCAL_ELC}" ]]; then
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ELC="$(cd "$(dirname "${LOCAL_ELC}")" && pwd)/$(basename "${LOCAL_ELC}")"
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else
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echo "Warning: elc not found in PATH or at ${LOCAL_ELC}" >&2
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echo " The generated build.sh may need manual adjustment." >&2
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ELC="elc"
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fi
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fi
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# Discover el_runtime.c
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EL_RUNTIME=""
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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LOCAL_RUNTIME="${SCRIPT_DIR}/../el-compiler/runtime/el_runtime.c"
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if [[ -f "${LOCAL_RUNTIME}" ]]; then
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EL_RUNTIME="$(cd "$(dirname "${LOCAL_RUNTIME}")" && pwd)/$(basename "${LOCAL_RUNTIME}")"
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EL_INCLUDE="$(dirname "${EL_RUNTIME}")"
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else
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# Check installed location
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if [[ -f "/usr/local/el/lib/libel.a" ]]; then
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EL_RUNTIME_LINK="-L/usr/local/el/lib -lel"
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EL_INCLUDE="/usr/local/el/include"
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fi
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EL_RUNTIME="${EL_RUNTIME_LINK:-}"
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fi
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echo "==> Scaffolding El project: ${NAME}"
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mkdir -p "${NAME}/src" "${NAME}/dist"
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# src/main.el
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cat > "${NAME}/src/main.el" <<'ELEOF'
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// main.el — entry point for this El program.
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fn run() -> String {
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println("hello from El!")
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return ""
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}
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run()
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ELEOF
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# build.sh — adapts to whether we found elc/runtime locally or installed
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if [[ -n "${EL_RUNTIME}" && -f "${EL_RUNTIME}" ]]; then
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# Local source tree runtime
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EL_INCLUDE_DIR="$(dirname "${EL_RUNTIME}")"
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cat > "${NAME}/build.sh" <<BUILDEOF
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#!/usr/bin/env bash
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# build.sh — build ${NAME}
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set -euo pipefail
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ELC="${ELC}"
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EL_RUNTIME="${EL_RUNTIME}"
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EL_INCLUDE="${EL_INCLUDE_DIR}"
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mkdir -p dist
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echo "==> Compiling El -> C"
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"\${ELC}" src/main.el > dist/main.c
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echo "==> Compiling C -> binary"
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cc -std=c11 -O2 -I"\${EL_INCLUDE}" -o dist/${NAME} dist/main.c "\${EL_RUNTIME}" -lcurl -lpthread
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echo "==> Built: dist/${NAME}"
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BUILDEOF
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else
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# Installed framework
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cat > "${NAME}/build.sh" <<BUILDEOF
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#!/usr/bin/env bash
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# build.sh — build ${NAME}
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# Requires El installed via tools/install.sh (elc in PATH, /usr/local/el/lib/libel.a)
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set -euo pipefail
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ELC="\${ELC:-elc}"
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EL_PREFIX="\${EL_HOME:-/usr/local/el}"
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mkdir -p dist
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echo "==> Compiling El -> C"
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"\${ELC}" src/main.el > dist/main.c
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echo "==> Compiling C -> binary"
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cc -std=c11 -O2 -I"\${EL_PREFIX}/include" -o dist/${NAME} dist/main.c -L"\${EL_PREFIX}/lib" -lel -lcurl -lpthread
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echo "==> Built: dist/${NAME}"
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BUILDEOF
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fi
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chmod +x "${NAME}/build.sh"
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# README.md
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cat > "${NAME}/README.md" <<READMEEOF
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# ${NAME}
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An El language project.
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## Build
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\`\`\`bash
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./build.sh
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\`\`\`
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## Run
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\`\`\`bash
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./dist/${NAME}
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\`\`\`
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## Structure
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\`\`\`
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src/main.el — entry point
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build.sh — build script
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dist/ — compiled output (gitignored)
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\`\`\`
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READMEEOF
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# .gitignore
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cat > "${NAME}/.gitignore" <<'IGNEOF'
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dist/
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*.c
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IGNEOF
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echo
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echo "==> Created ${NAME}/"
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echo " src/main.el"
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echo " build.sh"
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echo " README.md"
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echo " .gitignore"
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echo
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echo "To build:"
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echo " cd ${NAME} && ./build.sh"
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echo
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