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Diffstat (limited to 'chapter12/docs/lattice.gv')
| -rw-r--r-- | chapter12/docs/lattice.gv | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/chapter12/docs/lattice.gv b/chapter12/docs/lattice.gv deleted file mode 100644 index e8631cd5..00000000 --- a/chapter12/docs/lattice.gv +++ /dev/null @@ -1,154 +0,0 @@ -digraph Lattice { - rankdir=TB; - newrank=true; - // Preserve the same-rank ordering edges through cluster layout. - remincross=false; - nodesep=0.22; - ranksep=0.65; - node [shape=ellipse, style=filled, fontname="DejaVu Sans", fontsize=13]; - edge [color="#555555", arrowsize=0.6]; - - // These arrows are lattice-order edges, not use/definition edges. - TOP [label="⊤", fillcolor=black, fontcolor=white]; - BOT [label="⊥", fillcolor=black, fontcolor=white]; - - subgraph cluster_control { - label="Control"; fontname="Arial"; color="#cccccc"; - node [fillcolor="#ffff00"]; - XCTRL [label="⊤:ctrl"]; - CTRL [label="⊥:ctrl"]; - XCTRL -> CTRL; - } - - subgraph cluster_integer { - label="Integer"; fontname="Arial"; color="#cccccc"; - node [fillcolor="#add8e6"]; - INT_TOP [label="⊤:int"]; - INT_BOT [label="⊥:int"]; - INT_NEG [label="… −2, −1"]; - INT_ZERO [label="0"]; - INT_POS [label="1, 2, …"]; - {rank=same; INT_NEG; INT_ZERO; INT_POS;} - INT_NEG -> INT_ZERO -> INT_POS [style=invis]; - INT_TOP -> {INT_NEG INT_ZERO INT_POS}; - {INT_NEG INT_ZERO INT_POS} -> INT_BOT; - } - - subgraph cluster_float { - label="Float"; fontname="Arial"; color="#cccccc"; - FLT_TOP [label=<<B>⊤</B >:flt>, fillcolor=aqua, shape=oval]; - FLT_BOT [label=<<B>⊥</B>:flt>, fillcolor=aqua, shape=oval]; - - FLT_MINDOTS [label="… negative constants", fillcolor=aqua, shape=oval]; - FLT_ZERO [label="0.0" , fillcolor=aqua]; - FLT_MAXDOTS [label="positive constants …", fillcolor=aqua, shape=oval]; - - FLT_TOP -> FLT_MINDOTS; - FLT_TOP -> FLT_ZERO; - FLT_TOP -> FLT_MAXDOTS; - FLT_MINDOTS -> FLT_BOT; - FLT_ZERO -> FLT_BOT; - FLT_MAXDOTS -> FLT_BOT; - - FLT_MINDOTS -> FLT_ZERO -> FLT_MAXDOTS [style=invis]; - - {rank=same; FLT_MINDOTS; FLT_ZERO; FLT_MAXDOTS;} - } - - subgraph cluster_pointer { - label="Pointer = nullability × struct type"; - fontname="Arial"; color="#cccccc"; - node [fillcolor="#008000", fontcolor=white]; - PTR_TOP [label="⊤:ptr\n[*⊤:struct]"]; - PTR_BOT [label="⊥:ptr\n[*⊥:struct?]"]; - PTR_NULL [label="null"]; - PTR_ANY [label="*⊥:struct\n[ptr any struct]"]; - PTR_PERSON [label="*Person"]; - PTR_S1 [label="*s1"]; - PTR_MORE [label="*s2, …"]; - PTR_PERSON_NIL [label="*Person?"]; - PTR_S1_NIL [label="*s1?"]; - PTR_MORE_NIL [label="*s2?, …"]; - {rank=same; PTR_PERSON; PTR_S1; PTR_MORE; PTR_NULL;} - {rank=same; PTR_ANY; PTR_PERSON_NIL; PTR_S1_NIL; PTR_MORE_NIL;} - PTR_PERSON -> PTR_S1 -> PTR_MORE -> PTR_NULL [style=invis]; - PTR_ANY -> PTR_PERSON_NIL -> PTR_S1_NIL -> PTR_MORE_NIL [style=invis]; - PTR_TOP -> {PTR_PERSON PTR_S1 PTR_MORE PTR_NULL}; - {PTR_PERSON PTR_S1 PTR_MORE} -> PTR_ANY; - PTR_PERSON -> PTR_PERSON_NIL; - PTR_S1 -> PTR_S1_NIL; - PTR_MORE -> PTR_MORE_NIL; - PTR_NULL -> {PTR_PERSON_NIL PTR_S1_NIL PTR_MORE_NIL}; - {PTR_ANY PTR_PERSON_NIL PTR_S1_NIL PTR_MORE_NIL} -> PTR_BOT; - } - - subgraph cluster_struct { - label="Struct\nnamed collection of named scalar types"; - fontname="Arial"; color="#cccccc"; - node [fillcolor="#90ee90"]; - STRUCT_TOP [label="⊤:struct\n[struct top]"]; - STRUCT_BOT [label="⊥:struct\n[struct bottom]"]; - STRUCT_PERSON [label="Person\nage: int", shape=box]; - STRUCT_S1 [label="s1\nx: int", shape=box]; - STRUCT_S2 [label="s2\nx: int, y: flt", shape=box]; - STRUCT_MORE [label="…", shape=box]; - {rank=same; STRUCT_PERSON; STRUCT_S1; STRUCT_S2; STRUCT_MORE;} - STRUCT_PERSON -> STRUCT_S1 -> STRUCT_S2 -> STRUCT_MORE [style=invis]; - STRUCT_TOP -> {STRUCT_PERSON STRUCT_S1 STRUCT_S2 STRUCT_MORE}; - {STRUCT_PERSON STRUCT_S1 STRUCT_S2 STRUCT_MORE} -> STRUCT_BOT; - } - - subgraph cluster_memory { - label="Memory\nprecise alias slices"; fontname="Arial"; color="#cccccc"; - node [fillcolor="#00008b", fontcolor=white]; - MEM_TOP [label="⊤:mem"]; - MEM_BOT [label="⊥:mem"]; - MEM_ALIAS2 [label="MEM#2"]; - MEM_ALIAS3 [label="MEM#3"]; - MEM_MORE [label="…"]; - {rank=same; MEM_ALIAS2; MEM_ALIAS3; MEM_MORE;} - MEM_ALIAS2 -> MEM_ALIAS3 -> MEM_MORE [style=invis]; - MEM_TOP -> {MEM_ALIAS2 MEM_ALIAS3 MEM_MORE}; - {MEM_ALIAS2 MEM_ALIAS3 MEM_MORE} -> MEM_BOT; - } - - subgraph cluster_tuple { - label="Tuple\ncollection of types"; - fontname="Arial"; color="#cccccc"; - node [fillcolor="#ffc0cb"]; - TUPLE_TOP [label="⊤:tuple"]; - TUPLE_BOT [label="⊥:tuple"]; - // Each black element stands for a recursively nested type lattice. - TUPLE1 [shape=plain, label=< - <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4"> - <TR><TD BGCOLOR="#ffc0cb">tuple</TD></TR> - <TR><TD BGCOLOR="black"><FONT COLOR="white">type</FONT></TD></TR> - </TABLE> - >]; - TUPLE2 [shape=plain, label=< - <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4"> - <TR><TD BGCOLOR="#ffc0cb">tuple</TD></TR> - <TR><TD BGCOLOR="black"><FONT COLOR="white">type</FONT></TD></TR> - <TR><TD BGCOLOR="black"><FONT COLOR="white">type</FONT></TD></TR> - </TABLE> - >]; - TUPLEN [shape=plain, label=< - <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4"> - <TR><TD BGCOLOR="#ffc0cb">tuple</TD></TR> - <TR><TD BGCOLOR="black"><FONT COLOR="white">type</FONT></TD></TR> - <TR><TD BGCOLOR="black"><FONT COLOR="white">…</FONT></TD></TR> - <TR><TD BGCOLOR="black"><FONT COLOR="white">type</FONT></TD></TR> - </TABLE> - >]; - {rank=same; TUPLE1; TUPLE2; TUPLEN;} - TUPLE1 -> TUPLE2 -> TUPLEN [style=invis]; - TUPLE_TOP -> {TUPLE1 TUPLE2 TUPLEN}; - {TUPLE1 TUPLE2 TUPLEN} -> TUPLE_BOT; - } - - TOP -> {XCTRL INT_TOP FLT_TOP PTR_TOP STRUCT_TOP MEM_TOP TUPLE_TOP}; - {CTRL INT_BOT FLT_BOT PTR_BOT STRUCT_BOT MEM_BOT TUPLE_BOT} -> BOT; - {rank=same; XCTRL; INT_TOP; FLT_TOP; PTR_TOP; STRUCT_TOP; MEM_TOP; TUPLE_TOP;} - {rank=same; CTRL; INT_BOT; FLT_BOT; PTR_BOT; STRUCT_BOT; MEM_BOT; TUPLE_BOT;} - XCTRL -> INT_TOP -> FLT_TOP -> PTR_TOP -> STRUCT_TOP -> MEM_TOP -> TUPLE_TOP [style=invis]; -} |