dfgpass.h
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	// Data Flow Graph determination pass

	#ifndef DFGPASS_H
	#define DFGPASS_H

	#include "abstractpass.h"
	#include "clasplayer.h"

	namespace xreate {

	class ClaspLayer;

	class DFGPass : public AbstractPass<SymbolNode> {
	public:
	SymbolNode process(CodeScope* scope, PassContext context, const std::string& hintBlockDecl="");
	SymbolNode process(const Expression& expression, PassContext context, const std::string& varDecl="") override;

	DFGPass(PassManager* manager);

	void init();
	void run();
	void finish();
	private:
	struct
	{
	DFAGraph graph;
	} __context;

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

	#endif