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Final version

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This commit is contained in:
Carlos Galindo 2019-12-19 13:03:04 +01:00
parent e888551e89
commit 201ee44277
25 changed files with 1058 additions and 285 deletions
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24
figs/problem1-sliced.dot Normal file
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digraph pdf {
entry [label="enter f()",style=filled];
entry -> {while; D};
while [label="while (X)",style=filled];
C [style="bold,filled"]
"if (Y)" [style=filled]
"if (Z)" [style=filled]
while -> {"if (Y)"} -> while;
break2 [style=filled]
break1 [style=filled]
"if (Y)" -> {"if (Z)" C};
"if (Y)" -> break2 [constraint = false];
"if (Z)" -> {A break1 B break2};
break1 -> B;
break1 -> break2;
break2 -> {C while};
{rank=same; A break1 B break2}
{rank=same; "if (Z)" C}
{rank=same; while D}
{edge [style=invis];
A -> break1 -> B -> break2;
}
}

25
figs/problem1-solution-sliced.dot Normal file
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digraph pdf {
entry [label="enter f()", style = filled];
entry -> while [style = bold];
entry -> D [color = grey];
while [label="while (X)", style = filled];
C [style="bold,filled"]
"if (Y)" [style = filled];
"if (Z)"
while -> {"if (Y)"} -> while [style = bold];
break2 [style = filled];
break1
"if (Y)" -> {"if (Z)"} [color = grey];
"if (Y)" -> C [style = bold];
"if (Y)" -> break2 [constraint = false, style = bold];
"if (Z)" -> {A break1 B} [color = grey];
{break1 "if (Z)"} -> break2 [color = lightgrey, style = dashed];
break1 -> B [color = grey];
break2 -> {C while} [style = bold];
{rank=same; A break1 B break2}
{rank=same; "if (Z)" C}
{rank=same; while D}
{edge [style=invis];
A -> break1 -> B -> break2;
}
}

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digraph pdf {
entry [label="enter f()"];
entry -> {while; D};
while [label="while (X)"];
C [style="bold"]
"if (Y)"
"if (Z)"
while -> {"if (Y)"} -> while;
break2
break1
"if (Y)" -> {"if (Z)" C};
"if (Y)" -> break2 [constraint = false];
"if (Z)" -> {A break1 B};
{break1 "if (Z)"} -> break2 [color = lightgrey, style = dashed];
break1 -> B;
break2 -> {C while};
{rank=same; A break1 B break2}
{rank=same; "if (Z)" C}
{rank=same; while D}
{edge [style=invis];
A -> break1 -> B -> break2;
}
}

21
figs/problem1.dot
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@ -1,15 +1,16 @@
digraph pdf {
entry [label="enter f()",style=filled];
entry [label="enter f()"];
entry -> {while; D};
while [label="while (X)",style=filled];
C [style="bold,filled"]
"if (Y)" [style=filled]
"if (Z)" [style=filled]
while -> {"if (Y)" C};
break2 [style=filled]
break1 [style=filled]
"if (Y)" -> {"if (Z)"};
"if (Z)" -> {A break1};
while [label="while (X)"];
C [style="bold"]
"if (Y)"
"if (Z)"
while -> "if (Y)" -> while;
break2
break1
"if (Y)" -> {"if (Z)" C};
"if (Y)" -> break2 [constraint = false];
"if (Z)" -> {A break1 B break2};
break1 -> B;
break1 -> break2;
break2 -> {C while};

30
figs/problem2-sol1.dot Normal file
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@ -0,0 +1,30 @@
digraph g {
"f()" [shape=box, rank=min]; // , style = filled];
// Rank adjustment
{ node []; // [style=filled]
{ rank = same; "int a = 1"; "while (a > 0)"; }
"if (a > 10)"; break;
}
{ rank = same; "log(a)"; "a++"; }
{ rank = max; "a++"; "log(a)"; }
"a++" [style="bold"];
// Control flow
"f()" -> "while (a > 0)";
"f()" -> "int a = 1";
"while (a > 0)" -> "if (a > 10)";
"if (a > 10)" -> "break";
"break" -> "log(a)";
"break" -> "a++";
"break" -> "while (a > 0)";
// Data flow
{ edge [color = red];
"int a = 1" -> "while (a > 0)";
"int a = 1" -> "if (a > 10)";
"int a = 1" -> "log(a)";
"int a = 1" -> "a++";
"a++" -> "a++";
"a++" -> "while (a > 0)";
"a++" -> "if (a > 10)";
"a++" -> "log(a)" [constraint = true];
}
}

29
figs/problem2-sol2.dot Normal file
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@ -0,0 +1,29 @@
digraph g {
"f()" [shape=box, rank=min]; // , style = filled];
// Rank adjustment
{ node []; // [style=filled]
{ rank = same; "int a = 1"; "while (a > 0)"; }
"if (a > 10)";
break [style = invis];
}
{ rank = same; "log(a)"; "a++"; }
{ rank = max; "a++"; "log(a)"; }
"a++" [style="bold"];
// Control flow
"f()" -> "while (a > 0)";
"f()" -> "int a = 1";
"while (a > 0)" -> "if (a > 10)";
"if (a > 10)" -> "break";
break -> {"log(a)" "a++" "while (a > 0)"} [color = grey]
// Data flow
{ edge [color = red];
"int a = 1" -> "while (a > 0)";
"int a = 1" -> "if (a > 10)";
"int a = 1" -> "log(a)";
"int a = 1" -> "a++";
"a++" -> "a++";
"a++" -> "while (a > 0)";
"a++" -> "if (a > 10)";
"a++" -> "log(a)" [constraint = true];
}
}

29
figs/problem2-sol3.dot Normal file
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@ -0,0 +1,29 @@
digraph g {
"f()" [shape=box, rank=min, style = filled];
// Rank adjustment
{ node []; // [style=filled]
{ rank = same; "int a = 1" [style = filled]; "while (a > 0)"; }
"if (a > 10)";
break [style = invis];
}
{ rank = same; "log(a)"; "a++"; }
{ rank = max; "a++"; "log(a)"; }
"a++" [style="bold,filled"];
// Control flow
"f()" -> "while (a > 0)";
"f()" -> "int a = 1";
"while (a > 0)" -> "if (a > 10)";
"if (a > 10)" -> "break";
break -> {"log(a)" "a++" "while (a > 0)"} [color = grey]
// Data flow
{ edge [color = red];
"int a = 1" -> "while (a > 0)";
"int a = 1" -> "if (a > 10)";
"int a = 1" -> "log(a)";
"int a = 1" -> "a++";
"a++" -> "a++";
"a++" -> "while (a > 0)";
"a++" -> "if (a > 10)";
"a++" -> "log(a)" [constraint = true];
}
}

29
figs/problem2-sol4.dot Normal file
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digraph g {
"f()" [shape=box, rank=min, style = filled];
// Rank adjustment
{ node []; // [style=filled]
{ rank = same; "int a = 1" [style = filled]; "while (a > 0)"; }
"if (a > 10)";
break;
}
{ rank = same; "log(a)"; "a++"; }
{ rank = max; "a++"; "log(a)"; }
"a++" [style="bold,filled"];
// Control flow
"f()" -> "while (a > 0)";
"f()" -> "int a = 1";
"while (a > 0)" -> "if (a > 10)";
"if (a > 10)" -> "break";
break -> {"log(a)" "a++" "while (a > 0)"}
// Data flow
{ edge [color = red];
"int a = 1" -> "while (a > 0)";
"int a = 1" -> "if (a > 10)";
"int a = 1" -> "log(a)";
"int a = 1" -> "a++";
"a++" -> "a++";
"a++" -> "while (a > 0)";
"a++" -> "if (a > 10)";
"a++" -> "log(a)" [constraint = true];
}
}

11
figs/problem2.dot
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@ -5,25 +5,26 @@ digraph g {
{ rank = same; "int a = 1"; "while (a > 0)"; }
"if (a > 10)"; break;
}
{ rank = same; "print(a)"; "a++"; }
{ rank = max; "a++"; "print(a)"; }
{ rank = same; "log(a)"; "a++"; }
{ rank = max; "a++"; "log(a)"; }
"a++" [style="filled,bold"];
// Control flow
"f()" -> "while (a > 0)";
"f()" -> "int a = 1";
"while (a > 0)" -> "if (a > 10)";
"if (a > 10)" -> "break";
"break" -> "print(a)";
"break" -> "log(a)";
"break" -> "a++";
"break" -> "while (a > 0)";
// Data flow
{ edge [color = red];
"int a = 1" -> "while (a > 0)";
"int a = 1" -> "if (a > 10)";
"int a = 1" -> "print(a)";
"int a = 1" -> "log(a)";
"int a = 1" -> "a++";
"a++" -> "a++";
"a++" -> "while (a > 0)";
"a++" -> "if (a > 10)";
"a++" -> "print(a)" [constraint = true];
"a++" -> "log(a)" [constraint = true];
}
}

40
figs/problem3-color-x0.dot Normal file
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digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = filled, fillcolor = lightgreen];
x_in2 [label = "x_in = x", ];
f2 [label = "f()", ];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {x_0 f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
x_0 -> x_in2;
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

40
figs/problem3-color.dot Normal file
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@ -0,0 +1,40 @@
digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", fillcolor = lightgreen, style = filled];
x_in2 [label = "x_in = x", fillcolor = lightgreen, style = filled];
f2 [label = "f()", fillcolor = lightgreen, style = filled];
nr2 [label = "normal return", fillcolor = lightgreen, style = filled];
er2 [label = "error return", fillcolor = lightgreen, style = filled];
ee [label = "error exit", fillcolor = lightgreen, style = filled];
x_out_nr2 [label = "x = x_out", fillcolor = lightgreen, style = filled];
x_out_ee [label = "x = x_out", fillcolor = lightgreen, style = filled];
enter -> {mxin try};
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {x_0 f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
x_0 -> x_in2;
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

42
figs/problem3-data-edge-color-f1-error.dot Normal file
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@ -0,0 +1,42 @@
digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", style = filled, fillcolor = lightgreen];
f [label = "f()", style = filled, fillcolor = lightgreen];
nr [label = "normal return", style = filled, fillcolor = lightgreen];
x_out_nr [label = "x = x_out", style = filled, fillcolor = lightgreen];
er [label = "error return", style = filled, fillcolor = lightgreen];
catch [label = "catch (Exception e)", style = filled, fillcolor = pink];
x_out_catch [label = "x = x_out", style = filled, fillcolor = lightgreen];
log [label = "log(\"error\")", style = filled, fillcolor = pink];
x_0 [label = "x = 0", style = invis];
x_in2 [label = "x_in = x", ];
f2 [label = "f()", ];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
enter -> x_0 [style = invis];
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
{x_out_catch x_out_nr} -> x_in2;
x_0 -> x_in2 [style = invis];
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

42
figs/problem3-data-edge-color-f1.dot Normal file
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@ -0,0 +1,42 @@
digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", style = filled, fillcolor = lightgreen];
f [label = "f()", style = filled, fillcolor = lightgreen];
nr [label = "normal return", style = filled, fillcolor = lightgreen];
x_out_nr [label = "x = x_out", style = filled, fillcolor = lightgreen];
er [label = "error return", style = filled, fillcolor = lightgreen];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out", style = filled, fillcolor = lightgreen];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = invis];
x_in2 [label = "x_in = x", ];
f2 [label = "f()", ];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
enter -> x_0 [style = invis];
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
{x_out_catch x_out_nr} -> x_in2;
x_0 -> x_in2 [style = invis];
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

42
figs/problem3-data-edge-color-f2-error.dot Normal file
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@ -0,0 +1,42 @@
digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = invis];
x_in2 [label = "x_in = x", style = filled, fillcolor = lightgreen];
f2 [label = "f()", style = filled, fillcolor = lightgreen];
nr2 [label = "normal return", style = filled, fillcolor = lightgreen];
er2 [label = "error return", style = filled, fillcolor = lightgreen];
ee [label = "error exit", style = filled, fillcolor = pink];
x_out_nr2 [label = "x = x_out", style = filled, fillcolor = lightgreen];
x_out_ee [label = "x = x_out", style = filled, fillcolor = lightgreen];
enter -> {mxin try};
enter -> x_0 [style = invis];
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
{x_out_catch x_out_nr} -> x_in2;
x_0 -> x_in2 [style = invis];
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

42
figs/problem3-data-edge-color-f2.dot Normal file
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@ -0,0 +1,42 @@
digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = invis];
x_in2 [label = "x_in = x", style = filled, fillcolor = lightgreen];
f2 [label = "f()", style = filled, fillcolor = lightgreen];
nr2 [label = "normal return", style = filled, fillcolor = lightgreen];
er2 [label = "error return", style = filled, fillcolor = lightgreen];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out", style = filled, fillcolor = lightgreen];
x_out_ee [label = "x = x_out", style = filled, fillcolor = lightgreen];
enter -> {mxin try};
enter -> x_0 [style = invis];
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
{x_out_catch x_out_nr} -> x_in2;
x_0 -> x_in2 [style = invis];
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

42
figs/problem3-data-edge-sliced.dot Normal file
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@ -0,0 +1,42 @@
digraph g {
enter [style = filled];
mxin [label = "x = x_in", style = filled];
try [style = filled];
x_in [label = "x_in = x", style = filled];
f [label = "f()", style = filled];
nr [label = "normal return", style = filled];
x_out_nr [label = "x = x_out", style = filled];
er [label = "error return", style = filled];
catch [label = "catch (Exception e)", style = filled];
x_out_catch [label = "x = x_out", style = filled];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = invis];
x_in2 [label = "x_in = x", style = filled];
f2 [label = "f()", style = filled];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
enter -> x_0 [style = invis];
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
{x_out_catch x_out_nr} -> x_in2;
x_0 -> x_in2 [style = invis]
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

42
figs/problem3-data-edge.dot Normal file
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@ -0,0 +1,42 @@
digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = invis];
x_in2 [label = "x_in = x", ];
f2 [label = "f()", ];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
enter -> x_0 [style = invis];
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
{x_out_catch x_out_nr} -> x_in2;
x_0 -> x_in2 [style = invis];
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

40
figs/problem3-sliced.dot Normal file
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@ -0,0 +1,40 @@
digraph g {
enter [style = filled];
mxin [label = "x = x_in", style = filled];
try [style = filled];
x_in [label = "x_in = x", style = filled];
f [label = "f()", style = filled];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = filled];
x_in2 [label = "x_in = x", style = filled];
f2 [label = "f()", style = filled];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
enter -> {x_0 f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
x_0 -> x_in2;
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

40
figs/problem3-sol-color.dot Normal file
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digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", fillcolor = lightgreen, style = filled];
x_in2 [label = "x_in = x", fillcolor = lightgreen, style = filled];
f2 [label = "f()", fillcolor = lightgreen, style = filled];
nr2 [label = "normal return", fillcolor = lightgreen, style = filled];
er2 [label = "error return", fillcolor = lightgreen, style = filled];
ee [label = "error exit", fillcolor = lightgreen, style = filled];
x_out_nr2 [label = "x = x_out", fillcolor = lightgreen, style = filled];
x_out_ee [label = "x = x_out", fillcolor = lightgreen, style = filled];
enter -> {mxin try};
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
{catch} -> {x_0 f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
x_0 -> x_in2;
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

40
figs/problem3-sol-sliced.dot Normal file
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digraph g {
enter [style = filled];
mxin [label = "x = x_in", style = filled];
try [style = filled];
x_in [label = "x_in = x", style = filled];
f [label = "f()", style = filled];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return", style = filled];
catch [label = "catch (Exception e)", style = filled];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = filled];
x_in2 [label = "x_in = x", style = filled];
f2 [label = "f()", style = filled];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
{catch} -> {x_0 f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
x_0 -> x_in2;
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

40
figs/problem3-sol.dot Normal file
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digraph g {
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0"];
x_in2 [label = "x_in = x"];
f2 [label = "f()"];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];
x_out_nr2 [label = "x = x_out"];
x_out_ee [label = "x = x_out"];
enter -> {mxin try};
try -> f -> {x_in nr er}
nr -> x_out_nr
er -> catch -> {x_out_catch log}
{catch} -> {x_0 f2}
f2 -> {x_in2 nr2 er2}
nr2 -> x_out_nr2
er2 -> ee -> x_out_ee;
{edge [color = red, constraint = false];
mxin -> x_in;
x_0 -> x_in2;
}
{edge [color = blue, constraint = false];
x_in -> {x_out_nr x_out_catch}
x_in2 -> {x_out_nr2 x_out_ee}
}
}

16
figs/problem3.dot
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@ -1,18 +1,18 @@
digraph g {
enter [style = filled];
mxin [label = "x = x_in", style = filled];
try [style = filled];
x_in [label = "x_in = x", style = filled];
f [label = "f()", style = filled];
enter [];
mxin [label = "x = x_in", ];
try [];
x_in [label = "x_in = x", ];
f [label = "f()", ];
nr [label = "normal return"];
x_out_nr [label = "x = x_out"];
er [label = "error return"];
catch [label = "catch (Exception e)"];
x_out_catch [label = "x = x_out"];
log [label = "log(\"error\")"];
x_0 [label = "x = 0", style = filled];
x_in2 [label = "x_in = x", style = filled];
f2 [label = "f()", style = filled];
x_0 [label = "x = 0", ];
x_in2 [label = "x_in = x", ];
f2 [label = "f()", ];
nr2 [label = "normal return"];
er2 [label = "error return"];
ee [label = "error exit"];