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fix snapshots in gn build (#1886)

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Bug introduced in 75fe80d5a4
This commit is contained in:
andy finch 2019-03-05 17:26:59 -05:00 committed by Ryan Dahl
parent ee29ed79a7
commit da004fb6c8
2 changed files with 59 additions and 63 deletions
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14
build.rs
View file

@ -76,11 +76,15 @@ fn main() {
}
}
// Enable snapshots for x64 builds
if env::var("CARGO_CFG_TARGET_ARCH").unwrap() == "x86_64" {
// Not related to v8_use_snapshot
// This only enables using pregenerated snapshots for isolate init
println!("cargo:rustc-cfg=feature=\"use-snapshot-init\"");
// If target_arch != host_arch disable snapshots since we are cross compiling.
if env::var("CARGO_CFG_TARGET_ARCH").unwrap().as_str() != env::var("HOST")
.unwrap()
.as_str()
.split("-")
.collect::<Vec<&str>>()[0]
{
// no-snapshot-init is not related to v8_use_snapshots
println!("cargo:rustc-cfg=feature=\"no-snapshot-init\"");
}
if !gn_out_path.join("build.ninja").exists() {

108
src/isolate_init.rs
View file

@ -12,75 +12,67 @@ pub struct IsolateInit {
}
pub fn deno_isolate_init() -> IsolateInit {
if cfg!(not(feature = "check-only")) {
if cfg!(feature = "use-snapshot-init") {
let data =
include_bytes!(concat!(env!("GN_OUT_DIR"), "/gen/snapshot_deno.bin"));
if cfg!(feature = "no-snapshot-init") {
debug!("Deno isolate init without snapshots.");
#[cfg(not(feature = "check-only"))]
let source_bytes =
include_bytes!(concat!(env!("GN_OUT_DIR"), "/gen/bundle/main.js"));
#[cfg(feature = "check-only")]
let source_bytes = vec![];
unsafe {
IsolateInit {
snapshot: Some(deno_buf::from_raw_parts(data.as_ptr(), data.len())),
init_script: None,
}
}
} else {
#[cfg(not(feature = "check-only"))]
let source_bytes =
include_bytes!(concat!(env!("GN_OUT_DIR"), "/gen/bundle/main.js"));
#[cfg(feature = "check-only")]
let source_bytes = vec![];
IsolateInit {
snapshot: None,
init_script: Some(IsolateInitScript {
filename: "gen/bundle/main.js".to_string(),
source: std::str::from_utf8(source_bytes).unwrap().to_string(),
}),
}
}
} else {
IsolateInit {
snapshot: None,
init_script: None,
init_script: Some(IsolateInitScript {
filename: "gen/bundle/main.js".to_string(),
source: std::str::from_utf8(source_bytes).unwrap().to_string(),
}),
}
} else {
debug!("Deno isolate init with snapshots.");
#[cfg(not(feature = "check-only"))]
let data =
include_bytes!(concat!(env!("GN_OUT_DIR"), "/gen/snapshot_deno.bin"));
#[cfg(feature = "check-only")]
let data = vec![];
unsafe {
IsolateInit {
snapshot: Some(deno_buf::from_raw_parts(data.as_ptr(), data.len())),
init_script: None,
}
}
}
}
pub fn compiler_isolate_init() -> IsolateInit {
if cfg!(not(feature = "check-only")) {
if cfg!(feature = "use-snapshot-init") {
let data = include_bytes!(concat!(
env!("GN_OUT_DIR"),
"/gen/snapshot_compiler.bin"
));
if cfg!(feature = "no-snapshot-init") {
debug!("Deno isolate init without snapshots.");
#[cfg(not(feature = "check-only"))]
let source_bytes =
include_bytes!(concat!(env!("GN_OUT_DIR"), "/gen/bundle/compiler.js"));
#[cfg(feature = "check-only")]
let source_bytes = vec![];
unsafe {
IsolateInit {
snapshot: Some(deno_buf::from_raw_parts(data.as_ptr(), data.len())),
init_script: None,
}
}
} else {
#[cfg(not(feature = "check-only"))]
let source_bytes =
include_bytes!(concat!(env!("GN_OUT_DIR"), "/gen/bundle/compiler.js"));
#[cfg(feature = "check-only")]
let source_bytes = vec![];
IsolateInit {
snapshot: None,
init_script: Some(IsolateInitScript {
filename: "gen/bundle/compiler.js".to_string(),
source: std::str::from_utf8(source_bytes).unwrap().to_string(),
}),
}
}
} else {
IsolateInit {
snapshot: None,
init_script: None,
init_script: Some(IsolateInitScript {
filename: "gen/bundle/compiler.js".to_string(),
source: std::str::from_utf8(source_bytes).unwrap().to_string(),
}),
}
} else {
debug!("Deno isolate init with snapshots.");
#[cfg(not(feature = "check-only"))]
let data =
include_bytes!(concat!(env!("GN_OUT_DIR"), "/gen/snapshot_compiler.bin"));
#[cfg(feature = "check-only")]
let data = vec![];
unsafe {
IsolateInit {
snapshot: Some(deno_buf::from_raw_parts(data.as_ptr(), data.len())),
init_script: None,
}
}
}
}