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LibJS: Move "strict mode" state to the call stack

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Each call frame now knows whether it's executing in strict mode.
It's no longer necessary to access the scope stack to find this mode.
This commit is contained in:
Andreas Kling 2020-10-04 13:54:44 +02:00
parent f41b5a4535
commit a007b3c379
15 changed files with 49 additions and 37 deletions
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11
Libraries/LibJS/Interpreter.h
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@ -86,23 +86,16 @@ public:
Heap& heap() { return vm().heap(); }
Exception* exception() { return vm().exception(); }
bool in_strict_mode() const
{
if (m_scope_stack.is_empty())
return false;
return m_scope_stack.last().is_strict_mode;
}
size_t argument_count() const { return vm().argument_count(); }
Value argument(size_t index) const { return vm().argument(index); }
Value this_value(Object& global_object) const { return vm().this_value(global_object); }
LexicalEnvironment* current_environment() { return vm().current_environment(); }
const CallFrame& call_frame() { return vm().call_frame(); }
void enter_scope(const ScopeNode&, ArgumentVector, ScopeType, GlobalObject&, bool is_strict = false);
void enter_scope(const ScopeNode&, ArgumentVector, ScopeType, GlobalObject&);
void exit_scope(const ScopeNode&);
Value execute_statement(GlobalObject&, const Statement&, ArgumentVector = {}, ScopeType = ScopeType::Block, bool is_strict = false);
Value execute_statement(GlobalObject&, const Statement&, ArgumentVector = {}, ScopeType = ScopeType::Block);
private:
explicit Interpreter(VM&);