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LibWasm: Use the current configuration to run call ops

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This should make it easier to implement multiple types of interpreters
on top of a configuration, and also give a small speed boost in not
initialising as many Stack objects.
This commit is contained in:
Ali Mohammad Pur 2021-05-24 01:28:02 +04:30 • committed by Ali Mohammad Pur
parent b2bd5132c4
commit f91fa79fc5
3 changed files with 40 additions and 5 deletions
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22
Userland/Libraries/LibWasm/AbstractMachine/Configuration.h
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@ -36,6 +36,28 @@ public:
auto& store() const { return m_store; }
auto& store() { return m_store; }
struct CallFrameHandle {
explicit CallFrameHandle(Configuration& configuration)
: frame_index(configuration.m_current_frame_index)
, stack_size(configuration.m_stack.size())
, ip(configuration.ip())
, configuration(configuration)
{
configuration.depth()++;
}
~CallFrameHandle()
{
configuration.unwind({}, *this);
}
size_t frame_index { 0 };
size_t stack_size { 0 };
InstructionPointer ip { 0 };
Configuration& configuration;
};
void unwind(Badge<CallFrameHandle>, const CallFrameHandle&);
Result call(FunctionAddress, Vector<Value> arguments);
Result execute();