dfapass.h
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	// Data Flow Graph determination pass

	#ifndef DFGPASS_H
	#define DFGPASS_H

	#include "abstractpass.h"
	#include "analysis/dfagraph.h"

	namespace xreate {
	class ClaspLayer;
	}

	namespace xreate { namespace dfa {
	class DfaExpressionProcessor;

	class DFAPass: public AbstractPass<SymbolPacked> {
	friend class DfaExpressionProcessor;

	public:
	DFAPass(PassManager* manager);

	SymbolPacked processSymbol(const Symbol& symbol, PassContext context, const std::string& hintSymbol="") override;
	SymbolPacked process(CodeScope* scope, PassContext context, const std::string& hintBlockDecl="") override;

	void init();
	void run() override;
	void finish() override;

	private:
	struct
	{
	DFAGraph* graph;
	} __context;

	std::map<Operator, Expression> __signatures; //DFA data for particular operators
	ClaspLayer* clasp;
	};

	}} //end of xreate::dfa namespace

	#endif