factor/basis/compiler/cfg/debugger/debugger.factor

129 lines
3.5 KiB
Factor

! Copyright (C) 2008, 2011 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs classes.tuple compiler.cfg
compiler.cfg.builder compiler.cfg.def-use
compiler.cfg.finalization compiler.cfg.gc-checks
compiler.cfg.instructions compiler.cfg.linearization
compiler.cfg.optimizer compiler.cfg.registers
compiler.cfg.representations
compiler.cfg.representations.preferred compiler.cfg.rpo
compiler.cfg.save-contexts
compiler.cfg.utilities compiler.tree.builder
compiler.tree.optimizer compiler.units fry hashtables io kernel math
namespaces prettyprint prettyprint.backend prettyprint.custom
prettyprint.sections quotations random sequences vectors words strings ;
FROM: compiler.cfg.linearization => number-blocks ;
IN: compiler.cfg.debugger
GENERIC: test-builder ( quot -- cfgs )
: build-optimized-tree ( callable/word -- tree )
reset-vreg-counter
build-tree optimize-tree ;
M: callable test-builder
build-optimized-tree gensym build-cfg ;
M: word test-builder
[ build-optimized-tree ] keep build-cfg ;
: run-passes ( cfgs passes -- cfgs' )
'[ dup cfg set dup _ apply-passes ] map ;
: test-ssa ( quot -- cfgs )
test-builder { optimize-cfg } run-passes ;
: test-flat ( quot -- cfgs )
test-builder {
optimize-cfg
select-representations
insert-gc-checks
insert-save-contexts
} run-passes ;
: test-regs ( quot -- cfgs )
test-builder { optimize-cfg finalize-cfg } run-passes ;
GENERIC: insn. ( insn -- )
M: ##phi insn.
clone [ [ [ number>> ] dip ] assoc-map ] change-inputs
call-next-method ;
! XXX: pprint on a string prints the double quotes.
! This will cause graphviz to choke, so print without quotes.
M: insn insn. tuple>array but-last [
bl
] [
dup string? [ print ] [ pprint ] if
] interleave nl ;
: block. ( bb -- )
"=== Basic block #" write dup number>> . nl
dup instructions>> [ insn. ] each nl
successors>> [
"Successors: " write
[ number>> unparse ] map ", " join print nl
] unless-empty ;
: cfg. ( cfg -- )
[
dup linearization-order number-blocks
"=== word: " write
dup word>> pprint
", label: " write
dup label>> pprint nl nl
dup linearization-order [ block. ] each
"=== stack frame: " write
stack-frame>> .
] with-scope ;
: cfgs. ( cfgs -- )
[ nl ] [ cfg. ] interleave ;
: ssa. ( quot -- ) test-ssa cfgs. ;
: flat. ( quot -- ) test-flat cfgs. ;
: regs. ( quot -- ) test-regs cfgs. ;
! Prettyprinting
: pprint-loc ( loc word -- ) <block pprint-word n>> pprint* block> ;
M: ds-loc pprint* \ D: pprint-loc ;
M: rs-loc pprint* \ R: pprint-loc ;
: resolve-phis ( bb -- )
[
[ [ [ get ] dip ] assoc-map ] change-inputs drop
] each-phi ;
: test-bb ( insns n -- )
[ insns>block dup ] keep set resolve-phis ;
: edge ( from to -- )
[ get ] bi@ 1vector >>successors drop ;
: edges ( from tos -- )
[ get ] [ [ get ] V{ } map-as ] bi* >>successors drop ;
: test-diamond ( -- )
0 1 edge
1 { 2 3 } edges
2 4 edge
3 4 edge ;
: fake-representations ( cfg -- )
post-order [
instructions>> [
[ [ temp-vregs ] [ temp-vreg-reps ] bi zip ]
[ [ defs-vregs ] [ defs-vreg-reps ] bi zip ]
bi append
] map concat
] map concat >hashtable representations set ;
: count-insns ( quot insn-check -- ? )
[ test-regs [ cfg>insns ] map concat ] dip count ; inline
: contains-insn? ( quot insn-check -- ? )
count-insns 0 > ; inline