Comments (2)
@clinyong
denoMain();
comes from the snapshot:
Snapshot creator
In BUILD.gn
, this snapshot creator is invoked against bundle/main.js
, which is a bundle for all the compiled TS files:
# Generates $target_gen_dir/snapshot_deno.bin
snapshot("snapshot_deno") {
source_root = "$target_gen_dir/bundle/main.js"
deps = [
":main_bundle",
]
}
When creating the new Isolate
in Rust, the generated snapshot_deno.bin
is loaded to v8. See functions in libdeno/api.cc
and src/isolate_init.rs
for details.
Snapshot is essentially a serialization of what is on the V8 heap. Once loaded, V8 would restore to the state when the snapshot is taken: the moment bundle/main.js
has finished execute.
This is why denoMain()
exists on V8 heap
from guide.
@kevinkassimo Thanks so much~
from guide.
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from guide.