void
ZDriver::writeStateTable( std::ostream &out )
{
size_t i, j, nState, nAct, nTotal;
nState = StateTable::get()->getNumStates();
// Count all actions
nTotal = 0;
for ( i = 0; i < nState; ++i )
{
State *stp = StateTable::get()->getNthState(i);
ActionList &ap = stp->getActions();
nAct = ap.getNumActions();
for ( j = 0; j < nAct; ++j )
{
Action &act = ap.getNthAction( j );
if ( ! act.isIgnoreType() )
nTotal++;
if ( act.getLookAhead() == SymbolTable::get()->getDefaultName() )
nTotal++;
}
}
out << "static int theStateTable[" << nTotal << "][4] =" << endl();
out << "{" << endl();
for ( i = 0; i < nState; ++i )
{
State *stp = StateTable::get()->getNthState(i);
ActionList &ap = stp->getActions();
nAct = ap.getNumActions();
for ( j = 0; j < nAct; ++j )
{
Action &act = ap.getNthAction( j );
if ( ! act.isIgnoreType() )
{
out << " // State " << i << endl();
out << " { " << i << ", " << act.getLookAheadSymbol()->getIndex() << ", ";
emitAction( act, out );
out << " }," << endl();
}
if ( act.getLookAhead() == SymbolTable::get()->getDefaultName() )
{
out << " // State " << i << " default action" << endl();
out << " { " << i << ", " << -1 << ", ";
emitAction( act, out );
out << " }," << endl();
}
}
}
out << "};" << endl();
}
/// Push an event into the input system
void InputSystem::updateWithEvent(const Event& event)
{
// A key was pressed, let's check if it casts an action
if (event.type == Event::KeyPressed)
{
keyboardState[event.key.code] = true;
for (std::size_t i = 0; i < bindings.actionMappings.size(); ++i)
{
if (bindings.actionMappings[i].isTriggeredBy(event.key.code))
{
emitAction(bindings.actionMappings[i].actionName, AInputComponent::Pressed);
}
}
}
else if (event.type == Event::KeyReleased)
{
keyboardState[event.key.code] = false;
}
}
void ControlBodyTranslator::processApply(const P4::ApplyMethod* method) {
builder->emitIndent();
auto table = control->getTable(method->object->getName().name);
BUG_CHECK(table != nullptr, "No table for %1%", method->expr);
P4::ParameterSubstitution binding;
cstring actionVariableName;
if (!saveAction.empty()) {
actionVariableName = saveAction.at(saveAction.size() - 1);
if (!actionVariableName.isNullOrEmpty()) {
builder->appendFormat("enum %s %s;\n",
table->actionEnumName.c_str(), actionVariableName.c_str());
builder->emitIndent();
}
}
builder->blockStart();
BUG_CHECK(method->expr->arguments->size() == 0, "%1%: table apply with arguments", method);
cstring keyname = "key";
if (table->keyGenerator != nullptr) {
builder->emitIndent();
builder->appendLine("/* construct key */");
builder->emitIndent();
builder->appendFormat("struct %s %s = {}", table->keyTypeName.c_str(), keyname.c_str());
builder->endOfStatement(true);
table->emitKey(builder, keyname);
}
builder->emitIndent();
builder->appendLine("/* value */");
builder->emitIndent();
cstring valueName = "value";
builder->appendFormat("struct %s *%s = NULL", table->valueTypeName.c_str(), valueName.c_str());
builder->endOfStatement(true);
if (table->keyGenerator != nullptr) {
builder->emitIndent();
builder->appendLine("/* perform lookup */");
builder->emitIndent();
builder->target->emitTableLookup(builder, table->dataMapName, keyname, valueName);
builder->endOfStatement(true);
}
builder->emitIndent();
builder->appendFormat("if (%s == NULL) ", valueName.c_str());
builder->blockStart();
builder->emitIndent();
builder->appendLine("/* miss; find default action */");
builder->emitIndent();
builder->appendFormat("%s = 0", control->hitVariable.c_str());
builder->endOfStatement(true);
builder->emitIndent();
builder->target->emitTableLookup(builder, table->defaultActionMapName,
control->program->zeroKey, valueName);
builder->endOfStatement(true);
builder->blockEnd(false);
builder->append(" else ");
builder->blockStart();
builder->emitIndent();
builder->appendFormat("%s = 1", control->hitVariable.c_str());
builder->endOfStatement(true);
builder->blockEnd(true);
builder->emitIndent();
builder->appendFormat("if (%s != NULL) ", valueName.c_str());
builder->blockStart();
builder->emitIndent();
builder->appendLine("/* run action */");
table->emitAction(builder, valueName);
if (!actionVariableName.isNullOrEmpty()) {
builder->emitIndent();
builder->appendFormat("%s = %s->action",
actionVariableName.c_str(), valueName.c_str());
builder->endOfStatement(true);
}
toDereference.clear();
builder->blockEnd(true);
builder->emitIndent();
builder->appendFormat("else return %s", builder->target->abortReturnCode().c_str());
builder->endOfStatement(true);
builder->blockEnd(true);
}
