Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

src: allow embedder control of code generation policy #46368

Merged
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
10 changes: 9 additions & 1 deletion src/api/environment.cc
Expand Up @@ -265,8 +265,16 @@ void SetIsolateMiscHandlers(v8::Isolate* isolate, const IsolateSettings& s) {
auto* allow_wasm_codegen_cb = s.allow_wasm_code_generation_callback ?
s.allow_wasm_code_generation_callback : AllowWasmCodeGenerationCallback;
isolate->SetAllowWasmCodeGenerationCallback(allow_wasm_codegen_cb);

auto* modify_code_generation_from_strings_callback =
ModifyCodeGenerationFromStrings;
if (s.flags & ALLOW_MODIFY_CODE_GENERATION_FROM_STRINGS_CALLBACK &&
s.modify_code_generation_from_strings_callback) {
modify_code_generation_from_strings_callback =
s.modify_code_generation_from_strings_callback;
}
isolate->SetModifyCodeGenerationFromStringsCallback(
ModifyCodeGenerationFromStrings);
modify_code_generation_from_strings_callback);

Mutex::ScopedLock lock(node::per_process::cli_options_mutex);
if (per_process::cli_options->get_per_isolate_options()
Expand Down
5 changes: 4 additions & 1 deletion src/node.h
Expand Up @@ -453,7 +453,8 @@ enum IsolateSettingsFlags {
MESSAGE_LISTENER_WITH_ERROR_LEVEL = 1 << 0,
DETAILED_SOURCE_POSITIONS_FOR_PROFILING = 1 << 1,
SHOULD_NOT_SET_PROMISE_REJECTION_CALLBACK = 1 << 2,
SHOULD_NOT_SET_PREPARE_STACK_TRACE_CALLBACK = 1 << 3
SHOULD_NOT_SET_PREPARE_STACK_TRACE_CALLBACK = 1 << 3,
ALLOW_MODIFY_CODE_GENERATION_FROM_STRINGS_CALLBACK = 1 << 4,
};

struct IsolateSettings {
Expand All @@ -471,6 +472,8 @@ struct IsolateSettings {
v8::PromiseRejectCallback promise_reject_callback = nullptr;
v8::AllowWasmCodeGenerationCallback
allow_wasm_code_generation_callback = nullptr;
v8::ModifyCodeGenerationFromStringsCallback2
modify_code_generation_from_strings_callback = nullptr;
addaleax marked this conversation as resolved.
Show resolved Hide resolved
};

// Overriding IsolateSettings may produce unexpected behavior
Expand Down