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module FTCP (C, PRE, CLR, T, Q);
	input C, PRE, CLR, T;
	output wire Q;

	wire xorout;

	$_XOR_ xorgate (
		.A(T),
		.B(Q),
		.Y(xorout),
	);

	$_DFFSR_PPP_ dff (
		.C(C),
		.D(xorout),
		.Q(Q),
		.S(PRE),
		.R(CLR),
	);
endmodule

module FTCP_N (C, PRE, CLR, T, Q);
	input C, PRE, CLR, T;
	output wire Q;

	wire xorout;

	$_XOR_ xorgate (
		.A(T),
		.B(Q),
		.Y(xorout),
	);

	$_DFFSR_NPP_ dff (
		.C(C),
		.D(xorout),
		.Q(Q),
		.S(PRE),
		.R(CLR),
	);
endmodule
n class="o">::set<std::string> blacklist; static std::set<std::string> whitelist; }; struct LibertyParser { std::istream &f; int line; LibertyAst *ast; LibertyParser(std::istream &f) : f(f), line(1), ast(parse()) {} ~LibertyParser() { if (ast) delete ast; } /* lexer return values: 'v': identifier, string, array range [...] -> str holds the token string 'n': newline anything else is a single character. */ int lexer(std::string &str); LibertyAst *parse(); void error(); void error(const std::string &str); }; } #endif