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LibJS: Split the per-call-frame environment into lexical and variable

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To better follow the spec, we need to distinguish between the current
execution context's lexical environment and variable environment.

This patch moves us to having two record pointers, although both of
them point at the same environment records for now.
This commit is contained in:
Andreas Kling
2021-06-22 15:42:44 +02:00
parent aabd82d508
commit 1d20380859
13 changed files with 52 additions and 41 deletions
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Userland/Libraries/LibJS/Bytecode/Interpreter.cpp
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@@ -48,7 +48,7 @@ Value Interpreter::run(Executable const& executable, BasicBlock const* entry_poi
global_call_frame.this_value = &global_object();
static FlyString global_execution_context_name = "(*BC* global execution context)";
global_call_frame.function_name = global_execution_context_name;
global_call_frame.environment_record = &global_object();
global_call_frame.lexical_environment = &global_object();
VERIFY(!vm().exception());
// FIXME: How do we know if we're in strict mode? Maybe the Bytecode::Block should know this?
// global_call_frame.is_strict_mode = ???;