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Revert "LibJS+LibWeb: Remove now-unused lexical environment override"

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This reverts commit d39f6975f9.
This commit is contained in:
Timothy Flynn 2024-10-31 08:03:09 -04:00 committed by Tim Flynn
parent b09b23a162
commit d40b7d67b1
Notes: github-actions[bot] 2024-11-06 13:43:32 +00:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/d40b7d67b1e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2082
Reviewed-by: https://github.com/awesomekling
4 changed files with 9 additions and 5 deletions
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6
Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
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@ -182,7 +182,7 @@ ALWAYS_INLINE Value Interpreter::do_yield(Value value, Optional<Label> continuat
}
// 16.1.6 ScriptEvaluation ( scriptRecord ), https://tc39.es/ecma262/#sec-runtime-semantics-scriptevaluation
ThrowCompletionOr<Value> Interpreter::run(Script& script_record)
ThrowCompletionOr<Value> Interpreter::run(Script& script_record, JS::GCPtr<Environment> lexical_environment_override)
{
auto& vm = this->vm();
@ -207,6 +207,10 @@ ThrowCompletionOr<Value> Interpreter::run(Script& script_record)
// 7. Set the LexicalEnvironment of scriptContext to globalEnv.
script_context->lexical_environment = &global_environment;
// Non-standard: Override the lexical environment if requested.
if (lexical_environment_override)
script_context->lexical_environment = lexical_environment_override;
// 8. Set the PrivateEnvironment of scriptContext to null.
// NOTE: This isn't in the spec, but we require it.

2
Userland/Libraries/LibJS/Bytecode/Interpreter.h
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@ -30,7 +30,7 @@ public:
VM& vm() { return m_vm; }
VM const& vm() const { return m_vm; }
ThrowCompletionOr<Value> run(Script&);
ThrowCompletionOr<Value> run(Script&, JS::GCPtr<Environment> lexical_environment_override = nullptr);
ThrowCompletionOr<Value> run(SourceTextModule&);
ThrowCompletionOr<Value> run(Bytecode::Executable& executable, Optional<size_t> entry_point = {}, Value initial_accumulator_value = {})

4
Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.cpp
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@ -75,7 +75,7 @@ JS::NonnullGCPtr<ClassicScript> ClassicScript::create(ByteString filename, Strin
// https://html.spec.whatwg.org/multipage/webappapis.html#run-a-classic-script
// https://whatpr.org/html/9893/webappapis.html#run-a-classic-script
JS::Completion ClassicScript::run(RethrowErrors rethrow_errors)
JS::Completion ClassicScript::run(RethrowErrors rethrow_errors, JS::GCPtr<JS::Environment> lexical_environment_override)
{
// 1. Let realm be the realm of script.
auto& realm = this->realm();
@ -97,7 +97,7 @@ JS::Completion ClassicScript::run(RethrowErrors rethrow_errors)
auto timer = Core::ElapsedTimer::start_new();
// 6. Otherwise, set evaluationStatus to ScriptEvaluation(script's record).
evaluation_status = vm().bytecode_interpreter().run(*m_script_record);
evaluation_status = vm().bytecode_interpreter().run(*m_script_record, lexical_environment_override);
// FIXME: If ScriptEvaluation does not complete because the user agent has aborted the running script, leave evaluationStatus as null.

2
Userland/Libraries/LibWeb/HTML/Scripting/ClassicScript.h
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@ -33,7 +33,7 @@ public:
No,
Yes,
};
JS::Completion run(RethrowErrors = RethrowErrors::No);
JS::Completion run(RethrowErrors = RethrowErrors::No, JS::GCPtr<JS::Environment> lexical_environment_override = {});
MutedErrors muted_errors() const { return m_muted_errors; }