public static ControlFlowGraph Cifuentes1()
{
// Taken from "Reverse Compilation Techniques", by C. Cifuentes, Section 6.3, Fig. 6-11
// /---->1
// | |
// | v
// | /->2--\
// | | | |
// | | v |
// | | 3 |
// | | | |
// | | v |
// | \--4 |
// | |
// | |
// \-----5<-/
// |
// v
// 6
var builder = new SimpleGraphBuilder(6);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(3, 4);
builder.Connect(4, 2);
builder.Connect(2, 5);
builder.Connect(5, 1);
builder.Connect(5, 6);
return builder.Graph;
}
public static ControlFlowGraph WhileBreakBreak()
{
// 1
// |
// v
// /->2->3--\
// | | |
// | v v
// | 4->5--\
// | | |
// | v v
// \--6 7
//
// 1: {1000000}
// 2: {1100000}
// 3: {1110000}
// 4: {1101000}
// 5: {1101100}
// 6: {1101010}
// 7: {1100001}
var builder = new SimpleGraphBuilder(7);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(2, 4);
builder.Connect(3, 7);
builder.Connect(4, 5);
builder.Connect(4, 6);
builder.Connect(5, 7);
builder.Connect(6, 2);
return builder.Graph;
}
public static ControlFlowGraph WhileBreak()
{
// 1
// |
// v
// /->2->4
// | |
// | v
// \--3
var builder = new SimpleGraphBuilder(4);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(3, 2);
builder.Connect(2, 4);
return builder.Graph;
}
public static ControlFlowGraph SwitchInsideWhile()
{
//digraph G {
// graph [label="SwitchInsideWhile"];
// B1 [label="B1 (#1) (^)\nbr.s"];
// B9 [label="B9 (#2) (^B1)\nbgt.s"];
// B2 [label="B2 (#3) (^B9)\nswitch"];
// B6 [label="B6 (#4) (^B2)\nbr.s"];
// B5 [label="B5 (#5) (^B2)\nbr.s"];
// B4 [label="B4 (#6) (^B2)\nret"];
// B3 [label="B3 (#7) (^B2)\nbr.s"];
// B7 [label="B7 (#8) (^B3)\ncall"];
// B8 [label="B8 (#9) (^B2)\ncall"];
// B10 [label="B10 (#10) (^B9)\nret"];
// B1 -> B9;
// B9 -> B10;
// B9 -> B2;
// B2 -> B3;
// B2 -> B4;
// B2 -> B5;
// B2 -> B6;
// B6 -> B9;
// B5 -> B8;
// B3 -> B7;
// B7 -> B8;
// B8 -> B9;
//}
var builder = new SimpleGraphBuilder(10);
builder.Connect(1, 9);
builder.Connect(9, 10);
builder.Connect(9, 2);
builder.Connect(2, 3);
builder.Connect(2, 4);
builder.Connect(2, 5);
builder.Connect(2, 6);
builder.Connect(6, 9);
builder.Connect(5, 8);
builder.Connect(3, 7);
builder.Connect(7, 8);
builder.Connect(8, 9);
return builder.Graph;
}
public static ControlFlowGraph Switch()
{
//digraph G {
// graph [label="Switch"];
// B1 [label="B1 (#1) (^)\nswitch"];
// B4 [label="B4 (#2) (^B1)\nbr.s"];
// B3 [label="B3 (#3) (^B1)\nbr.s"];
// B2 [label="B2 (#4) (^B1)\nbr.s"];
// B5 [label="B5 (#5) (^B2)\ncall"];
// B6 [label="B6 (#6) (^B1)\nret"];
// B1 -> B2;
// B1 -> B3;
// B1 -> B4;
// B4 -> B6;
// B3 -> B6;
// B2 -> B5;
// B5 -> B6;
//}
var builder = new SimpleGraphBuilder(6);
builder.Connect(1, 2);
builder.Connect(1, 3);
builder.Connect(1, 4);
builder.Connect(4, 6);
builder.Connect(3, 6);
builder.Connect(2, 5);
builder.Connect(5, 6);
return builder.Graph;
}
public static ControlFlowGraph SimpleWhile()
{
// 1
// |
// |
// | 2<-\
// | | |
// | v |
// \->3--/
// |
// v
// 4
var builder = new SimpleGraphBuilder(4);
builder.Connect(1, 3);
builder.Connect(2, 3);
builder.Connect(3, 4);
builder.Connect(3, 2);
return builder.Graph;
}
public static ControlFlowGraph ComplexLoop()
{
// 1
// |
// v
// /->2<-------\
// | | |
// | v |
// 7<-*->3->5->6
// | |
// v v
// 4->8
var builder = new SimpleGraphBuilder(8);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(2, 7);
builder.Connect(3, 4);
builder.Connect(3, 5);
builder.Connect(4, 8);
builder.Connect(5, 6);
builder.Connect(5, 8);
builder.Connect(6, 2);
builder.Connect(7, 2);
return builder.Graph;
}
public static ControlFlowGraph WhileContinue()
{
// 1
// |
// v
// /->2<-\
// | | |
// | | |
// 3<-*->4
var builder = new SimpleGraphBuilder(4);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(2, 4);
builder.Connect(3, 2);
builder.Connect(4, 2);
return builder.Graph;
}
public static ControlFlowGraph SimpleBranch()
{
var builder = new SimpleGraphBuilder(4);
builder.Connect(1, 2);
builder.Connect(1, 3);
builder.Connect(2, 4);
builder.Connect(3, 4);
return builder.Graph;
}
public static ControlFlowGraph NestedDoWhile()
{
// 1
// |
// v
// /->4->5
// | |
// | v
// | 2-O
// | |
// | v
// \--3
var builder = new SimpleGraphBuilder(5);
builder.Connect(1, 4);
builder.Connect(4, 5);
builder.Connect(4, 2);
builder.Connect(2, 3);
builder.Connect(2, 2);
builder.Connect(3, 4);
return builder.Graph;
}
public static ControlFlowGraph Simple()
{
var builder = new SimpleGraphBuilder(2);
builder.Connect(1, 2);
return builder.Graph;
}
public static ControlFlowGraph MultiReturns2()
{
//digraph G {
// graph [label="System.Void H8.Loops::MultiReturns2()"];
// subgraph cluster_I1 {
// graph [label="I1"];
// B1 [label="B1 (#1) (^)\nbr.s"];
// }
// subgraph cluster_I2 {
// graph [label="I2"];
// B7 [label="B7 (#2) (^B1)\nblt.s"];
// B2 [label="B2 (#3) (^B7)\nble.s"];
// B4 [label="B4 (#4) (^B2)\nbge.s"];
// B6 [label="B6 (#5) (^B4)\ncall"];
// B5 [label="B5 (#6) (^B4)\nret"];
// B3 [label="B3 (#7) (^B2)\nret"];
// B8 [label="B8 (#8) (^B7)\nret"];
// }
// B1 -> B7;
// B7 -> B8;
// B7 -> B2;
// B2 -> B3;
// B2 -> B4;
// B4 -> B5;
// B4 -> B6;
// B6 -> B7;
//}
var builder = new SimpleGraphBuilder(8);
builder.Connect(1, 7);
builder.Connect(7, 8);
builder.Connect(7, 2);
builder.Connect(2, 3);
builder.Connect(2, 4);
builder.Connect(4, 5);
builder.Connect(4, 6);
builder.Connect(6, 7);
return builder.Graph;
}
public static ControlFlowGraph DragonBook()
{
//digraph G {
// graph [label="DragonBook"];
// B1 -> B3;
// B1 -> B2;
// B2 -> B3;
// B3 -> B4;
// B4 -> B6;
// B4 -> B5;
// B4 -> B3;
// B5 -> B7;
// B6 -> B7;
// B7 -> B4;
// B7 -> B8;
// B8 -> B10;
// B8 -> B9;
// B8 -> B3;
// B9 -> B1;
// B10 -> B7;
//}
// Taken from the Dragon book, Page 661, Example 10.30, Fig. 10.45
var builder = new SimpleGraphBuilder(10);
builder.Connect(1, 3);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(3, 4);
builder.Connect(4, 6);
builder.Connect(4, 5);
builder.Connect(4, 3);
builder.Connect(5, 7);
builder.Connect(6, 7);
builder.Connect(7, 4);
builder.Connect(7, 8);
builder.Connect(8, 10);
builder.Connect(8, 9);
builder.Connect(8, 3);
builder.Connect(9, 1);
builder.Connect(10, 7);
return builder.Graph;
}
public static ControlFlowGraph ComplexNestedLoop()
{
//digraph G {
// graph [label="System.Void H8.Loops::ComplexNestedLoop()"];
// subgraph cluster_I1 {
// graph [label="I1"];
// B1 [label="B1 (#1) (^)\ncall"];
// }
// subgraph cluster_I2 {
// graph [label="I2"];
// B2 [label="B2 (#2) (^B1)\nbge.s"];
// B3 [label="B3 (#3) (^B2)\nbne.un.s"];
// B5 [label="B5 (#4) (^B3)\nbne.un.s"];
// B8 [label="B8 (#5) (^B2)\nbr.s"];
// B4 [label="B4 (#8) (^B3)\nbr.s"];
// }
// subgraph cluster_I3 {
// graph [label="I3"];
// B6 [label="B6 (#6) (^B5)\nblt.s"];
// B7 [label="B7 (#7) (^B6)\nbr.s"];
// }
// subgraph cluster_I4 {
// graph [label="I4"];
// B9 [label="B9 (#9) (^B3)\nret"];
// }
// B1 -> B2;
// B2 -> B3;
// B2 -> B8;
// B3 -> B4;
// B3 -> B5;
// B5 -> B6;
// B5 -> B8;
// B8 -> B2;
// B6 -> B7;
// B6 -> B6;
// B7 -> B9;
// B4 -> B9;
//}
var builder = new SimpleGraphBuilder(9);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(2, 8);
builder.Connect(3, 4);
builder.Connect(3, 5);
builder.Connect(5, 6);
builder.Connect(5, 8);
builder.Connect(8, 2);
builder.Connect(6, 7);
builder.Connect(6, 6);
builder.Connect(7, 9);
builder.Connect(4, 9);
return builder.Graph;
}
public static ControlFlowGraph WhileBreakContinue()
{
// 1
// |
// v
// /---->2<-\
// | | |
// | v |
// 6<-4<-*->3
// |
// v
// 5->7
var builder = new SimpleGraphBuilder(7);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(2, 4);
builder.Connect(3, 2);
builder.Connect(4, 5);
builder.Connect(4, 6);
builder.Connect(5, 7);
builder.Connect(6, 2);
return builder.Graph;
}
public static ControlFlowGraph SimpleDoWhile()
{
// 1
// |
// v
// 2-O
// |
// v
// 3
var builder = new SimpleGraphBuilder(3);
builder.Connect(1, 2);
builder.Connect(2, 2);
builder.Connect(2, 3);
return builder.Graph;
}
public static ControlFlowGraph WhileCondContinue()
{
// 1
// |
// |
// | /->2--\
// | | | |
// | | v v
// | | 4 3
// | | | |
// | | | |
// \->5<-/<-/
// |
// v
// 6
var builder = new SimpleGraphBuilder(6);
builder.Connect(1, 5);
builder.Connect(2, 3);
builder.Connect(2, 4);
builder.Connect(3, 5);
builder.Connect(4, 5);
builder.Connect(5, 2);
builder.Connect(5, 6);
return builder.Graph;
}
public static ControlFlowGraph SimpleLoop()
{
// /->1
// | |
// | v
// | 2
// | |
// | v
// \--3
var builder = new SimpleGraphBuilder(3);
builder.Connect(1, 2);
builder.Connect(2, 3);
builder.Connect(3, 1);
return builder.Graph;
}
public static ControlFlowGraph Cifuentes2()
{
//digraph G {
// graph [label="Cifuentes2"];
// B1 -> B2;
// B1 -> B5;
// B2 -> B3;
// B2 -> B4;
// B3 -> B5;
// B4 -> B5;
// B5 -> B6;
// B6 -> B7;
// B6 -> B11;
// B7 -> B8;
// B8 -> B9;
// B9 -> B8;
// B9 -> B10;
// B10 -> B6;
// B11 -> B12;
// B11 -> B13;
// B12 -> B13;
// B12 -> B14;
// B13 -> B14;
// B14 -> B15;
//}
// Taken from "Reverse Compilation Techniques", by C. Cifuentes, Section 6.3, Fig. 6-23
var builder = new SimpleGraphBuilder(15);
builder.Connect(1, 2);
builder.Connect(1, 5);
builder.Connect(2, 3);
builder.Connect(2, 4);
builder.Connect(3, 5);
builder.Connect(4, 5);
builder.Connect(5, 6);
builder.Connect(6, 7);
builder.Connect(6, 11);
builder.Connect(7, 8);
builder.Connect(8, 9);
builder.Connect(9, 8);
builder.Connect(9, 10);
builder.Connect(10, 6);
builder.Connect(11, 12);
builder.Connect(11, 13);
builder.Connect(12, 13);
builder.Connect(12, 14);
builder.Connect(13, 14);
builder.Connect(14, 15);
return builder.Graph;
}
public void Simple()
{
var builder = new SimpleGraphBuilder(2);
builder.Connect(1, 2);
Test(builder.Graph, "L1, i1, n1, n2");
}