org.eclipse.rephraserengine.core.vpg/src/doc-files/vpg.dot

digraph vpg
{
	Program -> Declaration;
	
	Declaration -> Type;
	integer [shape=box,fontname="Courier"];
	Type -> integer;
	
	Declaration -> Variable;
	i_decl [shape=box,label="i",fontname="Courier"];
	Variable -> i_decl;
	Declaration -> InitExpression;
	InitExpression -> IntegerLiteral;
	3 [shape=box,fontname="Courier"];
	IntegerLiteral -> 3;

	Program -> StatementList;
	StatementList -> Statement;
	Statement -> PrintStmt;
	PrintStmt -> Expression;
	Expression -> Concatenation;
	i_ref [shape=box,label="i",fontname="Courier"];
	Concatenation -> VariableReference;
	VariableReference -> i_ref;
	
	Concatenation -> StringLiteral;
	string [shape=box,fontname="Courier",label="is the value of i"];
	StringLiteral -> string;

	VariableReference -> Declaration [label="Binding",fontname="Times-Italic",fontsize=10,style=dotted,constraint=false];

	Declaration -> Program [label="Scope of Declaration",fontname="Times-Italic",fontsize=10,style=dotted,constraint=false];}