wasm-swift-scripts.rb

# compile.rb
#!/usr/bin/ruby
require "shellwords"

def system(args)
    cmd = args.shelljoin
    if RUBY_VERSION.to_f >= 2.6
        Kernel.system(cmd, exception: true)
    else
        Kernel.system(cmd)
        st = $?
        if not st.success?
            raise "exit status: #{st}"
        end
    end
end

args = [
    "swiftc",
    "-emit-assembly",
    "-O",
    "-target", "wasm32-unknown-unknown-wasm",
    "-sdk", "/work/wasi-sdk/share/sysroot",
    "a.swift"
]

system(args)



# link.rb

#!/usr/bin/ruby
require "shellwords"

def system(args)
    system(args.shelljoin)
    st = $?
    if not st.success?
        raise "exit status: #{st}"
    end
end

sysroot = "/work/wasi-sdk/share/sysroot"
swsdk = "/work/swiftwasm-sdk"
swcs = "/work/swiftwasm-compile-service"
wasdk = "/work/wasi-sdk"

args = [
    "wasm-ld",
    "-o", "a.out",
    "#{sysroot}/lib/wasm32-wasi/crt1.o",
    "#{swcs}/extra_objs/swift_start.o",
    "#{swsdk}/lib/swift_static/wasm/wasm32/swiftrt.o",
    "a.o",
    "-L#{swsdk}/lib/swift_static/wasm",
    "-L#{sysroot}/lib/wasm32-wasi",
    "-L/work/icu_out/lib",
    "-lswiftCore",
    "-lc", "-lc++", "-lc++abi", "-lswiftImageInspectionShared",
    "-licuuc", "-licudata",
    "#{wasdk}/lib/clang/8.0.0/lib/wasi/libclang_rt.builtins-wasm32.a",
    "#{swcs}/extra_objs/fakepthread.o",
    "#{swcs}/extra_objs/fakelocaltime.o",
    "#{swcs}/extra_objs/swift_end.o",
    "--no-gc-sections",
    "--no-threads"
]
system(args)