1 files changed, 62 insertions, 0 deletions
diff --git a/docs/chapter07/07-graph2.gv b/docs/chapter07/07-graph2.gv
new file mode 100644
index 00000000..f4cfcb45
--- /dev/null
+++ b/docs/chapter07/07-graph2.gv
@@ -0,0 +1,62 @@
+digraph chapter07 {
+/*
+while(arg < 10) {
+    arg = arg + 1;
+    #showGraph;
+}
+return arg;
+
+*/
+	rankdir=BT;
+	ordering="in";
+	concentrate="true";
+	compound="true";
+	subgraph cluster_Nodes {
+		Start2 [ shape=plaintext label=<
+			<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4">
+			<TR><TD BGCOLOR="yellow">Start</TD></TR>
+			<TR><TD>
+				<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
+				<TR><TD PORT="p0" BGCOLOR="yellow">$ctrl</TD><TD PORT="p1">arg</TD></TR>
+				</TABLE>
+			</TD></TR>
+			</TABLE>>
+		];
+		Stop3 [ shape=box style=filled fillcolor=yellow label="Stop" ];
+		Loop6 [ shape=box style=filled fillcolor=yellow label="Loop" ];
+		Phi_arg8 [ style=filled fillcolor=lightyellow label="&phi;_arg" ];
+		Con_9 [ label="10" ];
+		LT10 [ label="<" ];
+		If11 [ shape=plaintext label=<
+			<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4">
+			<TR><TD BGCOLOR="yellow">If</TD></TR>
+			<TR><TD>
+				<TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0">
+				<TR><TD PORT="p0" BGCOLOR="yellow">True</TD><TD PORT="p1" BGCOLOR="yellow">False</TD></TR>
+				</TABLE>
+			</TD></TR>
+			</TABLE>>
+		];
+		Con_15 [ label="1" ];
+		Add16 [ label="+" ];
+		Return17 [ shape=box style=filled fillcolor=yellow label="Return" ];
+		{ rank=same; Loop6;Phi_arg8;}
+	}
+	node [shape=plaintext];
+	edge [ fontname=Helvetica, fontsize=8 ];
+	Stop3 -> Return17[taillabel=0 color=red];
+	Loop6 -> Start2:p0[taillabel=1 color=red];
+	Loop6 -> If11:p0[taillabel=2 color=red constraint=false];
+	Phi_arg8 -> Loop6 [style=dotted taillabel=0];
+	Phi_arg8 -> Start2:p1[taillabel=1];
+	Phi_arg8 -> Add16[taillabel=2 constraint=false];
+	LT10 -> Phi_arg8[taillabel=1];
+	LT10 -> Con_9[taillabel=2];
+	If11 -> Loop6[taillabel=0 color=red];
+	If11 -> LT10[taillabel=1];
+	Add16 -> Phi_arg8[taillabel=1];
+	Add16 -> Con_15[taillabel=2];
+	Return17 -> If11:p1[taillabel=0 color=red];
+	Return17 -> Phi_arg8[taillabel=1];
+	edge [style=dashed color=cornflowerblue];
+}
+\ No newline at end of file