version 1.118, 2002/10/12 11:05:22
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version 1.136, 2003/03/22 10:15:49
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\ converts primitives to, e.g., C code |
\ converts primitives to, e.g., C code |
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\ Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 53
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Line 53
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warnings off |
warnings off |
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\ redefinitions of kernel words not present in gforth-0.6.1 |
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: latestxt lastcfa @ ; |
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: latest last @ ; |
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[IFUNDEF] try |
[IFUNDEF] try |
include startup.fs |
include startup.fs |
[THEN] |
[THEN] |
Line 63 warnings off
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Line 67 warnings off
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\ warnings on |
\ warnings on |
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include ./gray.fs |
include ./gray.fs |
32 constant max-effect \ number of things on one side of a stack effect |
128 constant max-effect \ number of things on one side of a stack effect |
4 constant max-stacks \ the max. number of stacks (including inst-stream). |
4 constant max-stacks \ the max. number of stacks (including inst-stream). |
255 constant maxchar |
255 constant maxchar |
maxchar 1+ constant eof-char |
maxchar 1+ constant eof-char |
Line 95 variable include-skipped-insts
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Line 99 variable include-skipped-insts
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\ inline arguments (false) |
\ inline arguments (false) |
include-skipped-insts off |
include-skipped-insts off |
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variable immarg \ values for immediate arguments (to be used in IMM_ARG macros) |
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$12340000 immarg ! |
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: th ( addr1 n -- addr2 ) |
: th ( addr1 n -- addr2 ) |
cells + ; |
cells + ; |
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Line 159 struct%
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Line 166 struct%
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cell% 2* field stack-pointer \ stackpointer name |
cell% 2* field stack-pointer \ stackpointer name |
cell% field stack-type \ name for default type of stack items |
cell% field stack-type \ name for default type of stack items |
cell% field stack-in-index-xt \ ( in-size item -- in-index ) |
cell% field stack-in-index-xt \ ( in-size item -- in-index ) |
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cell% field stack-access-transform \ ( nitem -- index ) |
end-struct stack% |
end-struct stack% |
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struct% |
struct% |
Line 194 create stacks max-stacks cells allot \ a
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Line 202 create stacks max-stacks cells allot \ a
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1 next-stack-number +! |
1 next-stack-number +! |
r@ stack-type ! |
r@ stack-type ! |
save-mem r@ stack-pointer 2! |
save-mem r@ stack-pointer 2! |
['] stack-in-index r> stack-in-index-xt ! ; |
['] stack-in-index r@ stack-in-index-xt ! |
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['] noop r@ stack-access-transform ! |
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rdrop ; |
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: map-stacks { xt -- } |
: map-stacks { xt -- } |
\ perform xt for all stacks |
\ perform xt for all stacks |
Line 286 create min-depth max-stacks cells al
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Line 296 create min-depth max-stacks cells al
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create sp-update-in max-stacks cells allot |
create sp-update-in max-stacks cells allot |
\ where max-depth occured the first time |
\ where max-depth occured the first time |
create max-depths max-stacks max-combined 1+ * cells allot |
create max-depths max-stacks max-combined 1+ * cells allot |
\ maximum depth at start of each component: array[components] of array[stack] |
\ maximum depth at start of each part: array[parts] of array[stack] |
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create max-back-depths max-stacks max-combined 1+ * cells allot |
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\ maximun depth from end of the combination to the start of the each part |
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: s-c-max-depth ( nstack ncomponent -- addr ) |
: s-c-max-depth ( nstack ncomponent -- addr ) |
max-stacks * + cells max-depths + ; |
max-stacks * + cells max-depths + ; |
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: s-c-max-back-depth ( nstack ncomponent -- addr ) |
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max-stacks * + cells max-back-depths + ; |
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wordlist constant primitives |
wordlist constant primitives |
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: create-prim ( prim -- ) |
: create-prim ( prim -- ) |
Line 320 Variable function-number 0 function-numb
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Line 335 Variable function-number 0 function-numb
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: complement ( set1 -- set2 ) |
: complement ( set1 -- set2 ) |
empty ['] bit-equivalent binary-set-operation ; |
empty ['] bit-equivalent binary-set-operation ; |
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\ forward declaration for inst-stream (breaks cycle in definitions) |
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defer inst-stream-f ( -- stack ) |
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\ stack access stuff |
\ stack access stuff |
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: normal-stack-access ( n stack -- ) |
: normal-stack-access0 { n stack -- } |
stack-pointer 2@ type |
n stack stack-access-transform @ execute ." [" 0 .r ." ]" ; |
dup |
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if |
: normal-stack-access1 { n stack -- } |
." [" 0 .r ." ]" |
stack stack-pointer 2@ type |
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n if |
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n stack normal-stack-access0 |
else |
else |
drop ." TOS" |
." TOS" |
endif ; |
endif ; |
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\ forward declaration for inst-stream (breaks cycle in definitions) |
: normal-stack-access ( n stack -- ) |
defer inst-stream-f ( -- stack ) |
dup inst-stream-f = if |
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." IMM_ARG(" normal-stack-access1 ." ," immarg ? ." )" |
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1 immarg +! |
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else |
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normal-stack-access1 |
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endif ; |
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: stack-depth { stack -- n } |
: stack-depth { stack -- n } |
current-depth stack stack-number @ th @ ; |
current-depth stack stack-number @ th @ ; |
Line 361 defer inst-stream-f ( -- stack )
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Line 386 defer inst-stream-f ( -- stack )
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drop n stack part-stack-access |
drop n stack part-stack-access |
endif ; |
endif ; |
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: part-stack-write ( n stack -- ) |
: stack-diff ( stack -- n ) |
part-stack-access ; |
\ in-out |
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dup stack-in @ swap stack-out @ - ; |
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: part-stack-write { n stack -- } |
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stack stack-depth n + |
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stack stack-number @ part-num @ s-c-max-back-depth @ |
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over <= if ( ndepth ) |
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stack combined ['] stack-diff prim-context - |
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stack normal-stack-access |
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else |
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drop n stack part-stack-access |
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endif ; |
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: stack-read ( n stack -- ) |
: stack-read ( n stack -- ) |
\ print a stack access at index n of stack |
\ print a stack access at index n of stack |
Line 576 wordlist constant type-names \ this is h
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Line 612 wordlist constant type-names \ this is h
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get-current type-names set-current |
get-current type-names set-current |
stack-type 2dup nextname stack-type-name |
stack-type 2dup nextname stack-type-name |
set-current |
set-current |
stack-pointer lastxt >body stack-name nextname make-stack ; |
stack-pointer latestxt >body stack-name nextname make-stack ; |
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stack inst-stream IP Cell |
stack inst-stream IP Cell |
' inst-in-index inst-stream stack-in-index-xt ! |
' inst-in-index inst-stream stack-in-index-xt ! |
Line 599 stack inst-stream IP Cell
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Line 635 stack inst-stream IP Cell
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: compute-offset-out ( addr1 addr2 -- ) |
: compute-offset-out ( addr1 addr2 -- ) |
['] stack-out compute-offset ; |
['] stack-out compute-offset ; |
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: clear-stack ( stack -- ) |
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dup stack-in off stack-out off ; |
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: compute-offsets ( -- ) |
: compute-offsets ( -- ) |
['] clear-stack map-stacks |
prim prim-stacks-in max-stacks cells erase |
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prim prim-stacks-out max-stacks cells erase |
prim prim-effect-in prim prim-effect-in-end @ ['] compute-offset-in map-items |
prim prim-effect-in prim prim-effect-in-end @ ['] compute-offset-in map-items |
prim prim-effect-out prim prim-effect-out-end @ ['] compute-offset-out map-items |
prim prim-effect-out prim prim-effect-out-end @ ['] compute-offset-out map-items |
inst-stream stack-out @ 0= s" # can only be on the input side" ?print-error ; |
inst-stream stack-out @ 0= s" # can only be on the input side" ?print-error ; |
Line 618 stack inst-stream IP Cell
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Line 652 stack inst-stream IP Cell
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stack stack-out @ 0<> stack stack-in @ 0= and |
stack stack-out @ 0<> stack stack-in @ 0= and |
if |
if |
." IF_" stack stack-pointer 2@ 2dup type ." TOS(" |
." IF_" stack stack-pointer 2@ 2dup type ." TOS(" |
2dup type ." [0] = " type ." TOS);" cr |
2dup type 0 stack normal-stack-access0 ." = " type ." TOS);" cr |
endif ; |
endif ; |
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: flush-tos ( -- ) |
: flush-tos ( -- ) |
Line 628 stack inst-stream IP Cell
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Line 662 stack inst-stream IP Cell
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stack stack-out @ 0= stack stack-in @ 0<> and |
stack stack-out @ 0= stack stack-in @ 0<> and |
if |
if |
." IF_" stack stack-pointer 2@ 2dup type ." TOS(" |
." IF_" stack stack-pointer 2@ 2dup type ." TOS(" |
2dup type ." TOS = " type ." [0]);" cr |
2dup type ." TOS = " type 0 stack normal-stack-access0 ." );" cr |
endif ; |
endif ; |
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: fill-tos ( -- ) |
: fill-tos ( -- ) |
Line 641 stack inst-stream IP Cell
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Line 675 stack inst-stream IP Cell
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: fetches ( -- ) |
: fetches ( -- ) |
prim prim-effect-in prim prim-effect-in-end @ ['] fetch map-items ; |
prim prim-effect-in prim prim-effect-in-end @ ['] fetch map-items ; |
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: inst-pointer-update ( -- ) |
: stack-update-transform ( n1 stack -- n2 ) |
inst-stream stack-in @ ?dup-if |
\ n2 is the number by which the stack pointer should be |
." INC_IP(" 0 .r ." );" cr |
\ incremented to pop n1 items |
endif ; |
stack-access-transform @ dup >r execute |
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0 r> execute - ; |
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: stack-pointer-update { stack -- } |
: stack-pointer-update { stack -- } |
\ stack grow downwards |
\ stacks grow downwards |
stack stack-in @ stack stack-out @ - |
stack stack-diff |
?dup-if \ this check is not necessary, gcc would do this for us |
?dup-if \ this check is not necessary, gcc would do this for us |
stack inst-stream = if |
stack inst-stream = if |
inst-pointer-update |
." INC_IP(" 0 .r ." );" cr |
else |
else |
stack stack-pointer 2@ type ." += " 0 .r ." ;" cr |
stack stack-pointer 2@ type ." += " |
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stack stack-update-transform 0 .r ." ;" cr |
endif |
endif |
endif ; |
endif ; |
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Line 702 stack inst-stream IP Cell
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Line 738 stack inst-stream IP Cell
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endif |
endif |
2drop ; |
2drop ; |
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: output-c-tail1 ( -- ) |
: output-nextp2 ( -- ) |
\ the final part of the generated C code except LABEL2 and NEXT_P2 |
." NEXT_P2;" cr ; |
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variable tail-nextp2 \ xt to execute for printing NEXT_P2 in INST_TAIL |
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' output-nextp2 tail-nextp2 ! |
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: output-label2 ( -- ) |
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." LABEL2(" prim prim-c-name 2@ type ." )" cr |
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." NEXT_P2;" cr ; |
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: output-c-tail1 { xt -- } |
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\ the final part of the generated C code, with xt printing LABEL2 or not. |
output-super-end |
output-super-end |
print-debug-results |
print-debug-results |
." NEXT_P1;" cr |
." NEXT_P1;" cr |
stores |
stores |
fill-tos ; |
fill-tos |
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xt execute ; |
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: output-c-tail1-no-stores { xt -- } |
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\ the final part of the generated C code for combinations |
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output-super-end |
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." NEXT_P1;" cr |
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fill-tos |
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xt execute ; |
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: output-c-tail ( -- ) |
: output-c-tail ( -- ) |
\ the final part of the generated C code, without LABEL2 |
tail-nextp2 @ output-c-tail1 ; |
output-c-tail1 |
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." NEXT_P2;" ; |
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: output-c-tail2 ( -- ) |
: output-c-tail2 ( -- ) |
\ the final part of the generated C code, including LABEL2 |
['] output-label2 output-c-tail1 ; |
output-c-tail1 |
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." LABEL2(" prim prim-c-name 2@ type ." )" cr |
: output-c-tail-no-stores ( -- ) |
." NEXT_P2;" cr ; |
tail-nextp2 @ output-c-tail1-no-stores ; |
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: output-c-tail2-no-stores ( -- ) |
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['] output-label2 output-c-tail1-no-stores ; |
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: type-c-code ( c-addr u xt -- ) |
: type-c-code ( c-addr u xt -- ) |
\ like TYPE, but replaces "INST_TAIL;" with tail code produced by xt |
\ like TYPE, but replaces "INST_TAIL;" with tail code produced by xt |
Line 887 stack inst-stream IP Cell
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Line 942 stack inst-stream IP Cell
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: output-alias ( -- ) |
: output-alias ( -- ) |
( primitive-number @ . ." alias " ) ." Primitive " prim prim-name 2@ type cr ; |
( primitive-number @ . ." alias " ) ." Primitive " prim prim-name 2@ type cr ; |
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: output-prim-num ( -- ) |
: output-c-prim-num ( -- ) |
prim prim-num @ 8 + 4 .r space prim prim-name 2@ type cr ; |
." #define N_" prim prim-c-name 2@ type prim prim-num @ 8 + 4 .r cr ; |
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: output-forth ( -- ) |
: output-forth ( -- ) |
prim prim-forth-code @ 0= |
prim prim-forth-code @ 0= |
Line 1013 stack inst-stream IP Cell
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Line 1068 stack inst-stream IP Cell
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: min! ( n addr -- ) |
: min! ( n addr -- ) |
tuck @ min swap ! ; |
tuck @ min swap ! ; |
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: inst-stream-correction ( nin1 nstack -- nin2 ) |
: inst-stream-adjustment ( nstack -- n ) |
0= if |
\ number of stack items to add for each part |
include-skipped-insts @ - |
0= include-skipped-insts @ and negate ; |
endif ; |
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: add-depths { p -- } |
: add-depths { p -- } |
\ combine stack effect of p with *-depths |
\ combine stack effect of p with *-depths |
max-stacks 0 ?do |
max-stacks 0 ?do |
current-depth i th @ |
current-depth i th @ |
p prim-stacks-in i th @ + i inst-stream-correction |
p prim-stacks-in i th @ + i inst-stream-adjustment + |
dup max-depth i th max! |
dup max-depth i th max! |
p prim-stacks-out i th @ - |
p prim-stacks-out i th @ - |
dup min-depth i th min! |
dup min-depth i th min! |
Line 1073 stack inst-stream IP Cell
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Line 1127 stack inst-stream IP Cell
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i q prim-stacks-out i th @ q prim-effect-out-end make-effect-items |
i q prim-stacks-out i th @ q prim-effect-out-end make-effect-items |
loop ; |
loop ; |
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: compute-stack-max-back-depths ( stack -- ) |
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stack-number @ { stack# } |
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current-depth stack# th @ dup |
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dup stack# num-combined @ s-c-max-back-depth ! |
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-1 num-combined @ 1- -do ( max-depth current-depth ) |
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combined-prims i th @ { p } |
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p prim-stacks-out stack# th @ + |
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dup >r max r> |
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over stack# i s-c-max-back-depth ! |
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p prim-stacks-in stack# th @ - |
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stack# inst-stream-adjustment - |
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1 -loop |
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assert( dup stack# inst-stream-adjustment negate = ) |
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assert( over max-depth stack# th @ = ) |
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2drop ; |
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: compute-max-back-depths ( -- ) |
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\ compute max-back-depths. |
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\ assumes that current-depths is correct for the end of the combination |
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['] compute-stack-max-back-depths map-stacks ; |
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: process-combined ( -- ) |
: process-combined ( -- ) |
combined combined-prims num-combined @ cells |
combined combined-prims num-combined @ cells |
combinations ['] constant insert-wordlist |
combinations ['] constant insert-wordlist |
Line 1080 stack inst-stream IP Cell
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Line 1155 stack inst-stream IP Cell
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@ prim-c-code 2@ prim prim-c-code 2! \ used by output-super-end |
@ prim-c-code 2@ prim prim-c-code 2! \ used by output-super-end |
prim compute-effects |
prim compute-effects |
prim init-effects |
prim init-effects |
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compute-max-back-depths |
output-combined perform ; |
output-combined perform ; |
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\ C output |
\ C output |
Line 1106 stack inst-stream IP Cell
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Line 1182 stack inst-stream IP Cell
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: output-combined-tail ( -- ) |
: output-combined-tail ( -- ) |
part-output-c-tail |
part-output-c-tail |
in-part @ >r in-part off |
in-part @ >r in-part off |
combined ['] output-c-tail prim-context |
combined ['] output-c-tail-no-stores prim-context |
r> in-part ! ; |
r> in-part ! ; |
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: part-stack-pointer-updates ( -- ) |
: part-stack-pointer-updates ( -- ) |
max-stacks 0 +do |
next-stack-number @ 0 +do |
i part-num @ 1+ s-c-max-depth @ dup |
i part-num @ 1+ s-c-max-depth @ dup |
i num-combined @ s-c-max-depth @ = \ final depth |
i num-combined @ s-c-max-depth @ = \ final depth |
swap i part-num @ s-c-max-depth @ <> \ just reached now |
swap i part-num @ s-c-max-depth @ <> \ just reached now |
Line 1155 stack inst-stream IP Cell
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Line 1231 stack inst-stream IP Cell
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\ print-debug-args |
\ print-debug-args |
\ stack-pointer-updates now in parts |
\ stack-pointer-updates now in parts |
output-parts |
output-parts |
output-c-tail2 |
output-c-tail2-no-stores |
." }" cr |
." }" cr |
cr ; |
cr ; |
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Line 1254 print-token !
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Line 1330 print-token !
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getinput member? ; |
getinput member? ; |
' testchar? test-vector ! |
' testchar? test-vector ! |
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: checksyncline ( -- ) |
: checksynclines ( -- ) |
\ when input points to a newline, check if the next line is a |
\ when input points to a newline, check if the next line is a |
\ sync line. If it is, perform the appropriate actions. |
\ sync line. If it is, perform the appropriate actions. |
rawinput @ >r |
rawinput @ begin >r |
s" #line " r@ over compare if |
s" #line " r@ over compare if |
rdrop 1 line +! EXIT |
rdrop 1 line +! EXIT |
endif |
endif |
0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) |
0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) |
dup c@ bl = if |
dup c@ bl = if |
char+ dup c@ [char] " <> 0= s" sync line syntax" ?print-error |
char+ dup c@ [char] " <> 0= s" sync line syntax" ?print-error |
char+ dup 100 [char] " scan drop swap 2dup - save-mem filename 2! |
char+ dup 100 [char] " scan drop swap 2dup - save-mem filename 2! |
char+ |
char+ |
endif |
endif |
dup c@ nl-char <> 0= s" sync line syntax" ?print-error |
dup c@ nl-char <> 0= s" sync line syntax" ?print-error |
skipsynclines @ if |
skipsynclines @ if |
dup char+ rawinput ! |
char+ dup rawinput ! |
rawinput @ c@ cookedinput @ c! |
rawinput @ c@ cookedinput @ c! |
endif |
endif |
drop ; |
again ; |
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: ?nextchar ( f -- ) |
: ?nextchar ( f -- ) |
s" syntax error, wrong char" ?print-error |
s" syntax error, wrong char" ?print-error |
Line 1281 print-token !
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Line 1357 print-token !
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1 chars rawinput +! |
1 chars rawinput +! |
1 chars cookedinput +! |
1 chars cookedinput +! |
nl-char = if |
nl-char = if |
checksyncline |
checksynclines |
rawinput @ line-start ! |
rawinput @ line-start ! |
endif |
endif |
rawinput @ c@ cookedinput @ c! |
rawinput @ c@ |
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cookedinput @ c! |
endif ; |
endif ; |
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: charclass ( set "name" -- ) |
: charclass ( set "name" -- ) |
Line 1362 Variable c-flag
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Line 1439 Variable c-flag
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(( (( ` g || ` G )) {{ start }} nonl ** |
(( (( ` g || ` G )) {{ start }} nonl ** |
{{ end |
{{ end |
forth-flag @ IF ." group " type cr THEN |
forth-flag @ IF ." group " type cr THEN |
c-flag @ IF ." GROUP(" type ." )" cr THEN }} |
c-flag @ IF ." GROUP(" type ." , " function-number @ 0 .r ." )" cr THEN }} |
)) <- group-comment |
)) <- group-comment |
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(( (( eval-comment || forth-comment || c-comment || else-comment || if-comment || group-comment )) ?? nonl ** )) <- comment-body |
(( (( eval-comment || forth-comment || c-comment || else-comment || if-comment || group-comment )) ?? nonl ** )) <- comment-body |
Line 1429 warnings @ [IF]
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Line 1506 warnings @ [IF]
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\ process the string at addr u |
\ process the string at addr u |
over dup rawinput ! dup line-start ! cookedinput ! |
over dup rawinput ! dup line-start ! cookedinput ! |
+ endrawinput ! |
+ endrawinput ! |
checksyncline |
checksynclines |
primitives2something ; |
primitives2something ; |
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: unixify ( c-addr u1 -- c-addr u2 ) |
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\ delete crs from the string |
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bounds tuck tuck ?do ( c-addr1 ) |
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i c@ dup #cr <> if |
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over c! char+ |
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else |
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drop |
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endif |
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loop |
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over - ; |
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: process-file ( addr u xt-simple x-combined -- ) |
: process-file ( addr u xt-simple x-combined -- ) |
output-combined ! output ! |
output-combined ! output ! |
save-mem 2dup filename 2! |
save-mem 2dup filename 2! |
slurp-file |
slurp-file unixify |
warnings @ if |
warnings @ if |
." ------------ CUT HERE -------------" cr endif |
." ------------ CUT HERE -------------" cr endif |
primfilter ; |
primfilter ; |