version 1.120, 2002/10/12 19:06:37
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version 1.138, 2003/05/13 09:36:59
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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 51
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Line 51
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\ (stack-in-index-xt and a test for stack==instruction-stream); there |
\ (stack-in-index-xt and a test for stack==instruction-stream); there |
\ should be only one. |
\ should be only one. |
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\ for backwards compatibility, jaw |
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require compat/strcomp.fs |
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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 70 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 102 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 169 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 205 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 325 Variable function-number 0 function-numb
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Line 338 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 592 wordlist constant type-names \ this is h
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Line 615 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 615 stack inst-stream IP Cell
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Line 638 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 634 stack inst-stream IP Cell
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Line 655 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 644 stack inst-stream IP Cell
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Line 665 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 657 stack inst-stream IP Cell
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Line 678 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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: stack-update-transform ( n1 stack -- n2 ) |
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\ n2 is the number by which the stack pointer should be |
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\ incremented to pop n1 items |
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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-diff |
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 |
." INC_IP(" 0 .r ." );" cr |
." 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 713 stack inst-stream IP Cell
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Line 741 stack inst-stream IP Cell
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endif |
endif |
2drop ; |
2drop ; |
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: output-nextp2 ( -- ) |
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." 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 ( -- ) |
: output-label2 ( -- ) |
." LABEL2(" prim prim-c-name 2@ type ." )" cr ; |
." LABEL2(" prim prim-c-name 2@ type ." )" cr |
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." NEXT_P2;" cr ; |
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: output-c-tail1 { xt -- } |
: output-c-tail1 { xt -- } |
\ the final part of the generated C code, with xt printing LABEL2 or not. |
\ the final part of the generated C code, with xt printing LABEL2 or not. |
Line 723 stack inst-stream IP Cell
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Line 758 stack inst-stream IP Cell
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." NEXT_P1;" cr |
." NEXT_P1;" cr |
stores |
stores |
fill-tos |
fill-tos |
xt execute |
xt execute ; |
." NEXT_P2;" cr ; |
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: output-c-tail1-no-stores { xt -- } |
: output-c-tail1-no-stores { xt -- } |
\ the final part of the generated C code for combinations |
\ the final part of the generated C code for combinations |
output-super-end |
output-super-end |
." NEXT_P1;" cr |
." NEXT_P1;" cr |
fill-tos |
fill-tos |
xt execute |
xt execute ; |
." NEXT_P2;" cr ; |
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: output-c-tail ( -- ) |
: output-c-tail ( -- ) |
['] noop output-c-tail1 ; |
tail-nextp2 @ output-c-tail1 ; |
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: output-c-tail2 ( -- ) |
: output-c-tail2 ( -- ) |
['] output-label2 output-c-tail1 ; |
['] output-label2 output-c-tail1 ; |
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: output-c-tail-no-stores ( -- ) |
: output-c-tail-no-stores ( -- ) |
['] noop output-c-tail1-no-stores ; |
tail-nextp2 @ output-c-tail1-no-stores ; |
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: output-c-tail2-no-stores ( -- ) |
: output-c-tail2-no-stores ( -- ) |
['] output-label2 output-c-tail1-no-stores ; |
['] output-label2 output-c-tail1-no-stores ; |
Line 912 stack inst-stream IP Cell
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Line 945 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 1156 stack inst-stream IP Cell
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Line 1189 stack inst-stream IP Cell
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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 1238 stack inst-stream IP Cell
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Line 1271 stack inst-stream IP Cell
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\ int loads; /* number of stack loads */ |
\ int loads; /* number of stack loads */ |
\ int stores; /* number of stack stores */ |
\ int stores; /* number of stack stores */ |
\ int updates; /* number of stack pointer updates */ |
\ int updates; /* number of stack pointer updates */ |
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\ int offset; /* offset into super2 table */ |
\ int length; /* number of components */ |
\ int length; /* number of components */ |
\ int *components; /* array of vm_prim indexes of components */ |
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\ }; |
\ }; |
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\ How do you know which primitive or combined instruction this |
\ How do you know which primitive or combined instruction this |
Line 1264 stack inst-stream IP Cell
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Line 1297 stack inst-stream IP Cell
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: output-num-part ( p -- ) |
: output-num-part ( p -- ) |
prim-num @ 4 .r ." ," ; |
prim-num @ 4 .r ." ," ; |
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: super2-length ( -- n ) |
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combined if |
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num-combined @ |
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else |
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1 |
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endif ; |
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: output-name-comment ( -- ) |
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." /* " prim prim-name 2@ type ." */" ; |
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variable offset-super2 0 offset-super2 ! \ offset into the super2 table |
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: output-costs ( -- ) |
: output-costs ( -- ) |
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\ description of superinstructions and simple instructions |
." {" prim compute-costs |
." {" prim compute-costs |
rot 2 .r ." ," swap 2 .r ." ," 2 .r ." ," |
rot 2 .r ." ," swap 2 .r ." ," 2 .r ." ," |
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offset-super2 @ 5 .r ." ," |
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super2-length dup 2 .r ." }," offset-super2 +! |
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output-name-comment |
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cr ; |
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: output-super2 ( -- ) |
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\ table of superinstructions without requirement for existing prefixes |
combined if |
combined if |
num-combined @ 2 .r |
['] output-num-part map-combined |
." , ((int []){" ['] output-num-part map-combined ." })}, /* " |
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else |
else |
." 1, ((int []){" prim prim-num @ 4 .r ." })}, /* " |
prim output-num-part |
endif |
endif |
prim prim-name 2@ type ." */" |
output-name-comment |
cr ; |
cr ; |
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\ the parser |
\ the parser |
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Line 1300 print-token !
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Line 1352 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 1327 print-token !
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Line 1379 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 1408 Variable c-flag
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Line 1461 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 1450 Variable c-flag
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Line 1503 Variable c-flag
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start }} [ifdef] vmgen c-ident [else] forth-ident [then] {{ end |
start }} [ifdef] vmgen c-ident [else] forth-ident [then] {{ end |
2dup prim prim-name 2! prim prim-c-name 2! }} white ** |
2dup prim prim-name 2! prim prim-c-name 2! }} white ** |
(( ` / white ** {{ start }} c-ident {{ end prim prim-c-name 2! }} white ** )) ?? |
(( ` / white ** {{ start }} c-ident {{ end prim prim-c-name 2! }} white ** )) ?? |
(( simple-primitive || combined-primitive )) {{ 1 function-number +! }} |
(( simple-primitive || combined-primitive )) |
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{{ 1 function-number +! }} |
)) <- primitive ( -- ) |
)) <- primitive ( -- ) |
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(( (( comment || primitive || nl white ** )) ** eof )) |
(( (( comment || primitive || nl white ** )) ** eof )) |
Line 1475 warnings @ [IF]
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Line 1529 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 ; |