version 1.44, 2002/12/25 21:16:54
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version 1.45, 2002/12/26 14:09:20
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Line 120 VARIABLE Colors Colors on
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Line 120 VARIABLE Colors Colors on
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' (.string) IS .string |
' (.string) IS .string |
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: c-\type ( c-addr u -- ) |
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\ type string in \-escaped form |
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begin |
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dup while |
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2dup newline string-prefix? if |
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'\ cemit 'n cemit |
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newline nip /string |
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else |
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over c@ |
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dup '" = over '\ = or if |
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'\ cemit cemit |
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else |
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dup bl 127 within if |
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cemit |
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else |
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base @ >r try |
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8 base ! 0 <<# # # # '\ hold #> ctype #>> 0 |
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recover |
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endtry |
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r> base ! throw |
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endif |
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endif |
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1 /string |
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endif |
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repeat |
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2drop ; |
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: .struc |
: .struc |
uppercase on Str# .string ; |
uppercase on Str# .string ; |
Line 188 ACONSTANT MaxTable
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Line 214 ACONSTANT MaxTable
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: MyBranch ( a-addr -- a-addr a-addr2 ) |
: MyBranch ( a-addr -- a-addr a-addr2 ) |
\ finds branch table entry for branch at a-addr |
\ finds branch table entry for branch at a-addr |
dup @ over + |
dup @ |
BranchAddr? |
BranchAddr? |
BEGIN |
BEGIN |
WHILE 1 cells - @ |
WHILE 1 cells - @ |
over <> |
over <> |
WHILE dup @ over + |
WHILE dup @ |
MoreBranchAddr? |
MoreBranchAddr? |
REPEAT |
REPEAT |
SearchPointer @ 3 cells - |
SearchPointer @ 3 cells - |
Line 231 ACONSTANT MaxTable
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Line 257 ACONSTANT MaxTable
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BranchPointer @ 1 cells - ! ; |
BranchPointer @ 1 cells - ! ; |
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: Branch! ( a-addr rel -- a-addr ) |
: Branch! ( a-addr rel -- a-addr ) |
over + over ,Branch ,Branch 0 ,Branch ; |
over ,Branch ,Branch 0 ,Branch ; |
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\ over + over ,Branch ,Branch 0 ,Branch ; |
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\ DEFER CheckUntil |
\ DEFER CheckUntil |
VARIABLE NoOutput |
VARIABLE NoOutput |
Line 245 VARIABLE C-Pass
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Line 272 VARIABLE C-Pass
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: Display? ( -- flag ) C-Pass @ 1 = ; |
: Display? ( -- flag ) C-Pass @ 1 = ; |
: Debug? ( -- flag ) C-Pass @ 2 = ; |
: Debug? ( -- flag ) C-Pass @ 2 = ; |
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: back? ( n -- flag ) 0< ; |
: back? ( addr target -- addr flag ) |
: ahead? ( n -- flag ) 0> ; |
over u< ; |
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: .word ( addr xt -- addr ) |
: .word ( addr xt -- addr ) |
look 0= IF |
look 0= IF |
Line 300 VARIABLE C-Pass
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Line 327 VARIABLE C-Pass
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cell+ ; |
cell+ ; |
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: .name-without ( addr -- addr ) |
: .name-without ( addr -- addr ) |
\ prints a name without () e.g. (+LOOP) or (s") |
\ prints a name without a() e.g. a(+LOOP) or (s") |
dup 1 cells - @ look |
dup 1 cells - @ look IF |
IF name>string over c@ '( = IF 1 /string THEN |
name>string over c@ 'a = IF |
2dup + 1- c@ ') = IF 1- THEN .struc ELSE drop |
1 /string |
THEN ; |
THEN |
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over c@ '( = IF |
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1 /string |
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THEN |
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2dup + 1- c@ ') = IF 1- THEN .struc ELSE drop |
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THEN ; |
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[ifdef] (s") |
: c-c" |
: c-c" |
Display? IF nl .name-without THEN |
Display? IF nl .name-without THEN |
count 2dup + aligned -rot |
count 2dup + aligned -rot |
Line 314 VARIABLE C-Pass
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Line 347 VARIABLE C-Pass
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[char] " cemit bl cemit |
[char] " cemit bl cemit |
ELSE 2drop |
ELSE 2drop |
THEN ; |
THEN ; |
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[endif] |
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: c-string? ( addr1 -- addr2 f ) |
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\ f is true if a string was found and decompiled. |
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\ if f is false, addr2=addr1 |
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\ recognizes the following patterns: |
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\ c": ahead X: len string then lit X |
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\ s\": ahead X: string then lit X lit len |
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\ .\": ahead X: string then lit X lit len type |
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\ !! not recognized anywhere: |
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\ abort": if ahead X: len string then lit X c(abort") then |
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dup @ back? if false exit endif |
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dup @ >r |
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r@ @ decompile-prim ['] lit xt>threaded <> if rdrop false exit endif |
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r@ cell+ @ over cell+ <> if rdrop false exit endif |
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\ we have at least C" |
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r@ 2 cells + @ decompile-prim ['] lit xt>threaded = if |
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r@ 3 cells + @ over cell+ + aligned r@ = if |
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\ we have at least s" |
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r@ 4 cells + @ decompile-prim ['] lit-perform xt>threaded = |
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r@ 5 cells + @ ['] type >body = and if |
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6 s\" .\\\" " |
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else |
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4 s\" s\\\" " |
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endif |
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\ !! make newline if string too long? |
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display? if |
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0 .string r@ cell+ @ r@ 3 cells + @ c-\type '" cemit bl cemit |
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else |
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2drop |
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endif |
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nip cells r> + true exit |
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endif |
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endif |
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\ !! check if count matches space? |
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display? if |
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s\" c\" " 0 .string r@ cell+ @ count 0 .string '" cemit bl cemit |
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endif |
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drop r> 2 cells + true ; |
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: Forward? ( a-addr true | false -- a-addr true | false ) |
: Forward? ( a-addr true | false -- a-addr true | false ) |
\ a-addr1 is pointer into branch table |
\ a-addr is pointer into branch table |
\ returns true when jump is a forward jump |
\ returns true when jump is a forward jump |
IF dup dup @ swap 1 cells - @ - |
IF |
Ahead? IF true ELSE drop false THEN |
dup dup @ swap 1 cells - @ u> IF |
\ only if forward jump |
true |
ELSE false THEN ; |
ELSE |
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drop false |
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THEN |
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\ only if forward jump |
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ELSE |
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false |
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THEN ; |
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: RepeatCheck ( a-addr1 a-addr2 true | false -- false ) |
: RepeatCheck ( a-addr1 a-addr2 true | false -- false ) |
IF BEGIN 2dup |
IF BEGIN 2dup |
1 cells - @ swap dup @ + |
1 cells - @ swap @ |
u<= |
u<= |
WHILE drop dup cell+ |
WHILE drop dup cell+ |
MoreBranchAddr? 0= |
MoreBranchAddr? 0= |
Line 336 VARIABLE C-Pass
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Line 413 VARIABLE C-Pass
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ELSE false |
ELSE false |
THEN ; |
THEN ; |
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: c-branch |
: c-branch ( addr1 -- addr2 ) |
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c-string? ?exit |
Scan? |
Scan? |
IF dup @ Branch! |
IF dup @ Branch! |
dup @ back? |
dup @ back? |
Line 430 VARIABLE C-Pass
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Line 508 VARIABLE C-Pass
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: c-do |
: c-do |
Display? IF nl .name-without level+ THEN ; |
Display? IF nl .name-without level+ THEN ; |
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: c-?do |
: c-?do ( addr1 -- addr2 ) |
Display? IF nl S" ?DO" .struc level+ THEN |
Display? IF |
DebugBranch cell+ ; |
nl .name-without level+ |
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THEN |
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DebugBranch cell+ ; |
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: c-exit dup 1 cells - |
: c-exit dup 1 cells - |
CheckEnd |
CheckEnd |
Line 481 CREATE C-Table
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Line 561 CREATE C-Table
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[IFDEF] "lit ' "lit A, ' c-c" A, [THEN] |
[IFDEF] "lit ' "lit A, ' c-c" A, [THEN] |
[IFDEF] (c") ' (c") A, ' c-c" A, [THEN] |
[IFDEF] (c") ' (c") A, ' c-c" A, [THEN] |
' (do) A, ' c-do A, |
' (do) A, ' c-do A, |
[IFDEF] (+do) ' (+do) A, ' c-do A, [THEN] |
[IFDEF] (+do) ' a(+do) A, ' c-?do A, [THEN] |
[IFDEF] (u+do) ' (u+do) A, ' c-do A, [THEN] |
[IFDEF] (u+do) ' a(u+do) A, ' c-?do A, [THEN] |
[IFDEF] (-do) ' (-do) A, ' c-do A, [THEN] |
[IFDEF] (-do) ' a(-do) A, ' c-?do A, [THEN] |
[IFDEF] (u-do) ' (u-do) A, ' c-do A, [THEN] |
[IFDEF] (u-do) ' a(u-do) A, ' c-?do A, [THEN] |
' (?do) A, ' c-?do A, |
' a(?do) A, ' c-?do A, |
' (for) A, ' c-for A, |
' (for) A, ' c-for A, |
' ?branch A, ' c-?branch A, |
' a?branch A, ' c-?branch A, |
' branch A, ' c-branch A, |
' abranch A, ' c-branch A, |
' (loop) A, ' c-loop A, |
' a(loop) A, ' c-loop A, |
' (+loop) A, ' c-loop A, |
' a(+loop) A, ' c-loop A, |
[IFDEF] (s+loop) ' (s+loop) A, ' c-loop A, [THEN] |
[IFDEF] (s+loop) ' a(s+loop) A, ' c-loop A, [THEN] |
[IFDEF] (-loop) ' (-loop) A, ' c-loop A, [THEN] |
[IFDEF] (-loop) ' a(-loop) A, ' c-loop A, [THEN] |
' (next) A, ' c-loop A, |
' a(next) A, ' c-loop A, |
' ;s A, ' c-exit A, |
' ;s A, ' c-exit A, |
[IFDEF] (abort") ' (abort") A, ' c-abort" A, [THEN] |
[IFDEF] (abort") ' (abort") A, ' c-abort" A, [THEN] |
\ only defined if compiler is loaded |
\ only defined if compiler is loaded |