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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use std::env;use std::path::Path;use std::path::PathBuf;
// This is a shim that allows to generate documentation on docs.rs#[cfg(not(feature = "docsrs"))]mod not_docs {  use super::*;  use deno_cache::SqliteBackedCache;  use deno_core::snapshot_util::*;  use deno_core::Extension;
  struct Permissions;
  impl deno_fetch::FetchPermissions for Permissions {    fn check_net_url(      &mut self,      _url: &deno_core::url::Url,      _api_name: &str,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }
    fn check_read(      &mut self,      _p: &Path,      _api_name: &str,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }  }
  impl deno_websocket::WebSocketPermissions for Permissions {    fn check_net_url(      &mut self,      _url: &deno_core::url::Url,      _api_name: &str,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }  }
  impl deno_web::TimersPermission for Permissions {    fn allow_hrtime(&mut self) -> bool {      unreachable!("snapshotting!")    }
    fn check_unstable(      &self,      _state: &deno_core::OpState,      _api_name: &'static str,    ) {      unreachable!("snapshotting!")    }  }
  impl deno_ffi::FfiPermissions for Permissions {    fn check(      &mut self,      _path: Option<&Path>,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }  }
  impl deno_napi::NapiPermissions for Permissions {    fn check(      &mut self,      _path: Option<&Path>,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }  }
  impl deno_flash::FlashPermissions for Permissions {    fn check_net<T: AsRef<str>>(      &mut self,      _host: &(T, Option<u16>),      _api_name: &str,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }  }
  impl deno_node::NodePermissions for Permissions {    fn check_read(      &mut self,      _p: &Path,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }  }
  impl deno_net::NetPermissions for Permissions {    fn check_net<T: AsRef<str>>(      &mut self,      _host: &(T, Option<u16>),      _api_name: &str,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }
    fn check_read(      &mut self,      _p: &Path,      _api_name: &str,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }
    fn check_write(      &mut self,      _p: &Path,      _api_name: &str,    ) -> Result<(), deno_core::error::AnyError> {      unreachable!("snapshotting!")    }  }
  fn create_runtime_snapshot(snapshot_path: PathBuf, files: Vec<PathBuf>) {    let extensions: Vec<Extension> = vec![      deno_webidl::init(),      deno_console::init(),      deno_url::init(),      deno_tls::init(),      deno_web::init::<Permissions>(        deno_web::BlobStore::default(),        Default::default(),      ),      deno_fetch::init::<Permissions>(Default::default()),      deno_cache::init::<SqliteBackedCache>(None),      deno_websocket::init::<Permissions>("".to_owned(), None, None),      deno_webstorage::init(None),      deno_crypto::init(None),      deno_webgpu::init(false),      deno_broadcast_channel::init(        deno_broadcast_channel::InMemoryBroadcastChannel::default(),        false, // No --unstable.      ),      deno_node::init::<Permissions>(None),      deno_ffi::init::<Permissions>(false),      deno_net::init::<Permissions>(        None, false, // No --unstable.        None,      ),      deno_napi::init::<Permissions>(false),      deno_http::init(),      deno_flash::init::<Permissions>(false), // No --unstable    ];
    create_snapshot(CreateSnapshotOptions {      cargo_manifest_dir: env!("CARGO_MANIFEST_DIR"),      snapshot_path,      startup_snapshot: None,      extensions,      additional_files: files,      compression_cb: Some(Box::new(|vec, snapshot_slice| {        lzzzz::lz4_hc::compress_to_vec(          snapshot_slice,          vec,          lzzzz::lz4_hc::CLEVEL_MAX,        )        .expect("snapshot compression failed");      })),    });  }
  pub fn build_snapshot(runtime_snapshot_path: PathBuf) {    let js_files = get_js_files(env!("CARGO_MANIFEST_DIR"), "js");    create_runtime_snapshot(runtime_snapshot_path, js_files);  }}
fn main() {  // To debug snapshot issues uncomment:  // op_fetch_asset::trace_serializer();
  println!("cargo:rustc-env=TARGET={}", env::var("TARGET").unwrap());  println!("cargo:rustc-env=PROFILE={}", env::var("PROFILE").unwrap());  let o = PathBuf::from(env::var_os("OUT_DIR").unwrap());
  // Main snapshot  let runtime_snapshot_path = o.join("RUNTIME_SNAPSHOT.bin");
  // If we're building on docs.rs we just create  // and empty snapshot file and return, because `rusty_v8`  // doesn't actually compile on docs.rs  if env::var_os("DOCS_RS").is_some() {    let snapshot_slice = &[];    std::fs::write(&runtime_snapshot_path, snapshot_slice).unwrap();    return;  }
  #[cfg(not(feature = "docsrs"))]  not_docs::build_snapshot(runtime_snapshot_path)}