From e4dc3273f201ae741637b626998637cce973546b Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Fri, 2 Oct 2026 13:04:34 -0700 Subject: First pass README updates --- chapter12/docs/lattice.svg | 1306 ++++++++++++++++++++++++-------------------- 1 file changed, 708 insertions(+), 598 deletions(-) (limited to 'chapter12/docs/lattice.svg') diff --git a/chapter12/docs/lattice.svg b/chapter12/docs/lattice.svg index 1bb4f692..bc64abb6 100644 --- a/chapter12/docs/lattice.svg +++ b/chapter12/docs/lattice.svg @@ -1,598 +1,708 @@ - - - - - - -Lattice - - - -TOP - -⊤ - - - -XCTRL - -⊤ -:ctrl - - - -TOP->XCTRL - - - - - -INT_TOP - -⊤ -:int - - - -TOP->INT_TOP - - - - - -FLT_TOP - -⊤ -:flt - - - -TOP->FLT_TOP - - - - - -PTR - - - -*ptr - - -struct - - - -TOP->PTR - - - - - -STRUCT_TOP - -⊤ -:struct - - - -TOP->STRUCT_TOP - - - - - -MEM_TOP - -⊤ -:mem - - - -TOP->MEM_TOP - - - - - -TUPLE_TOP - -⊤ -:tuple - - - -TOP->TUPLE_TOP - - - - - -BOT - -⊥ - - - -CTRL - -⊥ -:ctrl - - - -XCTRL->CTRL - - - - - -CTRL->BOT - - - - - -INT_MINDOTS - -... - - - -INT_TOP->INT_MINDOTS - - - - - -INT_ZERO - -0 - - - -INT_TOP->INT_ZERO - - - - - -INT_MAXDOTS - -... - - - -INT_TOP->INT_MAXDOTS - - - - - -INT_BOT - -⊥ -:int - - - -INT_BOT->BOT - - - - - -INT_MINDOTS->INT_BOT - - - - - - -INT_ZERO->INT_BOT - - - - - - -INT_MAXDOTS->INT_BOT - - - - - -FLT_MINDOTS - -... - - - -FLT_TOP->FLT_MINDOTS - - - - - -FLT_ZERO - -0 - - - -FLT_TOP->FLT_ZERO - - - - - -FLT_MAXDOTS - -... - - - -FLT_TOP->FLT_MAXDOTS - - - - - -FLT_BOT - -⊥ -:flt - - - -FLT_BOT->BOT - - - - - -FLT_MINDOTS->FLT_BOT - - - - - - -FLT_ZERO->FLT_BOT - - - - - - -FLT_MAXDOTS->FLT_BOT - - - - - -PTR0 - - - -*ptr? - - -struct - - - -PTR->PTR0 - - - - - -PTR0->BOT - - - - - -STRUCT_S1 - - - -field - - - - - - - - -int/ptr - - - -STRUCT_TOP->STRUCT_S1 - - - - - -STRUCT_S2 - - - -field - - - - - - - - -int/ptr - - -field - - - - - - - - -int/ptr - - - -STRUCT_TOP->STRUCT_S2 - - - - - -STRUCT_SN - - - -field - - - - - - - - -int/ptr - - -...   - - - - - - - - -int/ptr - - -field - - - - - - - - -int/ptr - - - -STRUCT_TOP->STRUCT_SN - - - - - -STRUCT_BOT - -⊥ -:struct - - - -STRUCT_BOT->BOT - - - - - -STRUCT_S1->STRUCT_BOT - - - - - - -STRUCT_S2->STRUCT_BOT - - - - - - -STRUCT_SN->STRUCT_BOT - - - - - -MEM_ALIAS1 - -#1 - - - -MEM_TOP->MEM_ALIAS1 - - - - - -MEM_ALIASDOTS - -... - - - -MEM_TOP->MEM_ALIASDOTS - - - - - -MEM_ALIASN - -#n - - - -MEM_TOP->MEM_ALIASN - - - - - -MEM_BOT - -⊥ -:mem - - - -MEM_BOT->BOT - - - - - -MEM_ALIAS1->MEM_BOT - - - - - - -MEM_ALIASDOTS->MEM_BOT - - - - - - -MEM_ALIASN->MEM_BOT - - - - - -TUPLE1 - - - -Tuple - - -type - - - -TUPLE_TOP->TUPLE1 - - - - - -TUPLE2 - - - -Tuple - - -type - - -type - - - -TUPLE_TOP->TUPLE2 - - - - - -TUPLEN - - - -Tuple - - -type - - -... - - -type - - - -TUPLE_TOP->TUPLEN - - - - - -TUPLE_BOT - -⊥ -:tuple - - - -TUPLE_BOT->BOT - - - - - -TUPLE1->TUPLE_BOT - - - - - -TUPLE2->TUPLE_BOT - - - - - -TUPLEN->TUPLE_BOT - - - - - + + + + + + +Lattice + + +cluster_control + +Control + + +cluster_integer + +Integer + + +cluster_float + +Float + + +cluster_pointer + +Pointer = nullability × struct type + + +cluster_struct + +Struct +named collection of named scalar types + + +cluster_memory + +Memory +precise alias slices + + +cluster_tuple + +Tuple +collection of types + + + +TOP + +⊤ + + + +XCTRL + +⊤:ctrl + + + +TOP->XCTRL + + + + + +INT_TOP + +⊤:int + + + +TOP->INT_TOP + + + + + +FLT_TOP + +⊤ +:flt + + + +TOP->FLT_TOP + + + + + +PTR_TOP + +⊤:ptr +[*⊤:struct] + + + +TOP->PTR_TOP + + + + + +STRUCT_TOP + +⊤:struct +[struct top] + + + +TOP->STRUCT_TOP + + + + + +MEM_TOP + +⊤:mem + + + +TOP->MEM_TOP + + + + + +TUPLE_TOP + +⊤:tuple + + + +TOP->TUPLE_TOP + + + + + +BOT + +⊥ + + + +CTRL + +⊥:ctrl + + + +XCTRL->CTRL + + + + + + +CTRL->BOT + + + + + +INT_NEG + +… −2, −1 + + + +INT_TOP->INT_NEG + + + + + +INT_ZERO + +0 + + + +INT_TOP->INT_ZERO + + + + + +INT_POS + +1, 2, … + + + +INT_TOP->INT_POS + + + + + + +INT_BOT + +⊥:int + + + +INT_BOT->BOT + + + + + +INT_NEG->INT_BOT + + + + + + +INT_ZERO->INT_BOT + + + + + + +INT_POS->INT_BOT + + + + + +FLT_MINDOTS + +… negative constants + + + +FLT_TOP->FLT_MINDOTS + + + + + +FLT_ZERO + +0.0 + + + +FLT_TOP->FLT_ZERO + + + + + +FLT_MAXDOTS + +positive constants … + + + +FLT_TOP->FLT_MAXDOTS + + + + + + +FLT_BOT + +⊥ +:flt + + + +FLT_BOT->BOT + + + + + +FLT_MINDOTS->FLT_BOT + + + + + + +FLT_ZERO->FLT_BOT + + + + + + +FLT_MAXDOTS->FLT_BOT + + + + + +PTR_NULL + +null + + + +PTR_TOP->PTR_NULL + + + + + +PTR_PERSON + +*Person + + + +PTR_TOP->PTR_PERSON + + + + + +PTR_S1 + +*s1 + + + +PTR_TOP->PTR_S1 + + + + + +PTR_MORE + +*s2, … + + + +PTR_TOP->PTR_MORE + + + + + + +PTR_BOT + +⊥:ptr +[*⊥:struct?] + + + +PTR_BOT->BOT + + + + + +PTR_PERSON_NIL + +*Person? 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