#!/bin/bash

if [ -e src/arctic/handle_syscalls.nim ]; then
    exit 0
fi

if [ ! -e syscalls.json ]; then
    curl 'https://syscalls.mebeim.net/db/x86/64/x64/v6.6/table.json' > syscalls.json
fi

cat <<EOF > src/arctic/handle_syscalls.nim
import types
import memory

proc syscall(number: clong): clong {.importcpp: "syscall(@)", header: "<unistd.h>", varargs.}

template handle_syscall*(state: var ArcticState, number: int64) =
    case number:
EOF

jq -r -f generate_handle_syscalls.jq < syscalls.json >> src/arctic/handle_syscalls.nim

cat <<EOF >> src/arctic/handle_syscalls.nim
        else:
            # TODO: invalid syscall
            discard
EOF