const wasm_module::Instruction* InterpreterThread::callFunction(
const std::string& moduleName, const std::string& functionName,
std::vector<wasm_module::Variable> parameters) {
if (functionStack_.size() >= functionStackLimit)
throw StackLimitReached(std::to_string(functionStack_.size()));
const wasm_module::Function* func = nullptr;
wasm_module::Module& module = env_.getModule(moduleName);
func = &env_.getFunction(moduleName, functionName);
if (func->variadic()) {
std::vector<const wasm_module::Type*> types;
for (auto& parameter : parameters) {
types.push_back(¶meter.type());
}
functionStack_.push_back(FunctionState(*func, types));
} else {
// We push the new locals to the functionStack_ before entering.
functionStack_.push_back(FunctionState(*func));
}
for (uint32_t i = 0; i < parameters.size(); i++) {
variable(i) = parameters.at(i);
}
return func->mainInstruction();
}
void Thread::enterFunction(wasm_module::Function& function) {
if (stack.size() >= stackLimit)
throw StackLimitReached(std::to_string(stack.size()));
// We push the new locals to the stack before entering.
stack.push(FunctionState(function));
}
gmCodeGenPrivate::FunctionState * gmCodeGenPrivate::PushFunction()
{
if(m_currentFunction)
{
if(m_currentFunction != m_functionStack.GetLast())
{
m_currentFunction = m_functionStack.GetNext(m_currentFunction);
}
else
{
m_currentFunction = GM_NEW( FunctionState() );
m_functionStack.InsertLast(m_currentFunction);
}
}
else
{
if(m_functionStack.IsEmpty())
{
m_currentFunction = GM_NEW( FunctionState() );
m_functionStack.InsertLast(m_currentFunction);
}
else
{
m_currentFunction = m_functionStack.GetFirst();
}
}
m_currentFunction->Reset();
m_currentFunction->m_byteCode.SetSwapEndianOnWrite(m_hooks->SwapEndian());
// if we are debugging, set up some line number debugging.
if(m_debug)
{
m_currentFunction->m_byteCode.m_emitCallback = gmLineNumberCallback;
}
return m_currentFunction;
}