abstractpass.cpp
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	#include "abstractpass.h"
	#include "attachments.h"
	#include "xreatemanager.h"

	using namespace std;

	namespace xreate {

	template<>
	void defaultValue<void>(){}

	void AbstractPassBase::finish(){}

	AbstractPassBase::AbstractPassBase(PassManager *manager)
	: man(manager) {
	}

	template<>
	void
	AbstractPass<void>::processSymbol(const Symbol& symbol, PassContext context, const std::string& hintSymbol)
	{
	if (__visitedSymbols.isCached(symbol))
	return;

	__visitedSymbols.setCachedValue(symbol);
	const Expression& declaration = CodeScope::getDeclaration(symbol);

	if (declaration.isDefined()){
	PassContext context2 = context.updateScope(symbol.scope);
	process(declaration, context2, hintSymbol);
	}
	}

	template<>
	void
	AbstractPass<void>::process(const Expression& expression, PassContext context, const std::string& varDecl){
	if (expression.__state == Expression::COMPOUND){
	for (const Expression &op: expression.getOperands()) {
	process(op, context);
	}

	for (CodeScope* scope: expression.blocks) {
	process(scope, context);
	}

	if (expression.op == Operator::CALL){
	processExpressionCall(expression, context);
	}

	return;
	}

	if (expression.__state == Expression::IDENT){
	assert(context.scope);
	processSymbol(Attachments::get<Symbol>(expression), context, expression.getValueString());
	}
	}
	}