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LibJS: Make Interpreter::run() a void function

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With one small exception, this is how we've been using this API already,
and it makes sense: a Program is just a ScopeNode with any number of
statements, which are executed one by one. There's no explicit return
value at the end, only a completion value of the last value-producing
statement, which we then access using VM::last_value() if needed (e.g.
in the REPL).
This commit is contained in:
Linus Groh 2021-03-16 09:09:56 +01:00 committed by Andreas Kling
parent ef3679f9c3
commit dadf2e8251
3 changed files with 8 additions and 8 deletions
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5
Userland/Libraries/LibJS/Interpreter.cpp
View file

@ -54,7 +54,7 @@ Interpreter::~Interpreter()
{
}
Value Interpreter::run(GlobalObject& global_object, const Program& program)
void Interpreter::run(GlobalObject& global_object, const Program& program)
{
auto& vm = this->vm();
VERIFY(!vm.exception());
@ -71,9 +71,8 @@ Value Interpreter::run(GlobalObject& global_object, const Program& program)
global_call_frame.is_strict_mode = program.is_strict_mode();
vm.push_call_frame(global_call_frame, global_object);
VERIFY(!vm.exception());
auto result = program.execute(*this, global_object);
program.execute(*this, global_object);
vm.pop_call_frame();
return result;
}
GlobalObject& Interpreter::global_object()

2
Userland/Libraries/LibJS/Interpreter.h
View file

@ -61,7 +61,7 @@ public:
~Interpreter();
Value run(GlobalObject&, const Program&);
void run(GlobalObject&, const Program&);
GlobalObject& global_object();
const GlobalObject& global_object() const;

9
Userland/Libraries/LibWeb/DOM/Document.cpp
View file

@ -555,10 +555,11 @@ JS::Value Document::run_javascript(const StringView& source, const StringView& f
return JS::js_undefined();
}
auto& interpreter = document().interpreter();
auto result = interpreter.run(interpreter.global_object(), *program);
if (interpreter.exception())
interpreter.vm().clear_exception();
return result;
auto& vm = interpreter.vm();
interpreter.run(interpreter.global_object(), *program);
if (vm.exception())
vm.clear_exception();
return vm.last_value();
}
// https://dom.spec.whatwg.org/#dom-document-createelement