version 1.66, 2001/01/18 16:44:15
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version 1.70, 2001/01/20 20:17:39
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Line 58 include ./environ.fs
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Line 58 include ./environ.fs
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include ./gray.fs |
include ./gray.fs |
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100 constant max-effect \ number of things on one side of a stack effect |
32 constant max-effect \ number of things on one side of a stack effect |
255 constant maxchar |
255 constant maxchar |
maxchar 1+ constant eof-char |
maxchar 1+ constant eof-char |
#tab constant tab-char |
#tab constant tab-char |
Line 150 s" IP" save-mem s" error don't use # on
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Line 150 s" IP" save-mem s" error don't use # on
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\ various variables for storing stuff of one primitive |
\ various variables for storing stuff of one primitive |
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2variable forth-name |
struct% |
2variable wordset |
cell% 2* field prim-name |
2variable c-name |
cell% 2* field prim-wordset |
2variable doc |
cell% 2* field prim-c-name |
2variable c-code |
cell% 2* field prim-doc |
2variable forth-code |
cell% 2* field prim-c-code |
2variable stack-string |
cell% 2* field prim-forth-code |
create effect-in max-effect item% %size * allot |
cell% 2* field prim-stack-string |
create effect-out max-effect item% %size * allot |
item% max-effect * field prim-effect-in |
variable effect-in-end ( pointer ) |
item% max-effect * field prim-effect-out |
variable effect-out-end ( pointer ) |
cell% field prim-effect-in-end |
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cell% field prim-effect-out-end |
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end-struct prim% |
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: make-prim ( -- prim ) |
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prim% %alloc { p } |
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s" " p prim-doc 2! s" " p prim-forth-code 2! s" " p prim-wordset 2! |
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p ; |
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0 value prim |
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\ global vars |
variable c-line |
variable c-line |
2variable c-filename |
2variable c-filename |
variable name-line |
variable name-line |
2variable name-filename |
2variable name-filename |
2variable last-name-filename |
2variable last-name-filename |
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variable primitive-number -10 primitive-number ! |
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Variable function-number 0 function-number ! |
Variable function-number 0 function-number ! |
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\ for several reasons stack items of a word are stored in a wordlist |
\ for several reasons stack items of a word are stored in a wordlist |
Line 183 variable items
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Line 192 variable items
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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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\ the parser |
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eof-char max-member \ the whole character set + EOF |
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: getinput ( -- n ) |
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rawinput @ endrawinput @ = |
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if |
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eof-char |
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else |
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cookedinput @ c@ |
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endif ; |
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:noname ( n -- ) |
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dup bl > if |
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emit space |
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else |
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. |
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endif ; |
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print-token ! |
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: testchar? ( set -- f ) |
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getinput member? ; |
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' testchar? test-vector ! |
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: checksyncline ( -- ) |
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\ when input points to a newline, check if the next line is a |
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\ sync line. If it is, perform the appropriate actions. |
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rawinput @ >r |
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s" #line " r@ over compare 0<> if |
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rdrop 1 line +! EXIT |
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endif |
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0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) |
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dup c@ bl = if |
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char+ dup c@ [char] " <> abort" sync line syntax" |
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char+ dup 100 [char] " scan drop swap 2dup - save-mem filename 2! |
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char+ |
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endif |
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dup c@ nl-char <> abort" sync line syntax" |
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skipsynclines @ if |
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dup char+ rawinput ! |
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rawinput @ c@ cookedinput @ c! |
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endif |
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drop ; |
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: print-error-line ( -- ) |
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\ print the current line and position |
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line-start @ endrawinput @ over - 2dup nl-char scan drop nip ( start end ) |
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over - type cr |
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line-start @ rawinput @ over - typewhite ." ^" cr ; |
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: ?nextchar ( f -- ) |
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?not? if |
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outfile-id >r try |
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stderr to outfile-id |
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filename 2@ type ." :" line @ 0 .r ." : syntax error, wrong char:" |
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getinput . cr |
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print-error-line |
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0 |
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recover endtry |
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r> to outfile-id throw |
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abort |
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endif |
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rawinput @ endrawinput @ <> if |
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rawinput @ c@ |
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1 chars rawinput +! |
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1 chars cookedinput +! |
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nl-char = if |
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checksyncline |
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rawinput @ line-start ! |
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endif |
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rawinput @ c@ cookedinput @ c! |
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endif ; |
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: charclass ( set "name" -- ) |
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['] ?nextchar terminal ; |
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: .. ( c1 c2 -- set ) |
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( creates a set that includes the characters c, c1<=c<=c2 ) |
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empty copy-set |
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swap 1+ rot do |
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i over add-member |
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loop ; |
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: ` ( -- terminal ) ( use: ` c ) |
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( creates anonymous terminal for the character c ) |
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char singleton ['] ?nextchar make-terminal ; |
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char a char z .. char A char Z .. union char _ singleton union charclass letter |
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char 0 char 9 .. charclass digit |
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bl singleton tab-char over add-member charclass white |
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nl-char singleton eof-char over add-member complement charclass nonl |
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nl-char singleton eof-char over add-member |
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char : over add-member complement charclass nocolonnl |
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bl 1+ maxchar .. char \ singleton complement intersection |
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charclass nowhitebq |
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bl 1+ maxchar .. charclass nowhite |
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char " singleton eof-char over add-member complement charclass noquote |
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nl-char singleton charclass nl |
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eof-char singleton charclass eof |
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(( letter (( letter || digit )) ** |
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)) <- c-ident ( -- ) |
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(( ` # ?? (( letter || digit || ` : )) ** |
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)) <- stack-ident ( -- ) |
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(( nowhitebq nowhite ** )) |
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<- forth-ident ( -- ) |
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Variable forth-flag |
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Variable c-flag |
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(( (( ` e || ` E )) {{ start }} nonl ** |
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{{ end evaluate }} |
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)) <- eval-comment ( ... -- ... ) |
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(( (( ` f || ` F )) {{ start }} nonl ** |
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{{ end forth-flag @ IF type cr ELSE 2drop THEN }} |
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)) <- forth-comment ( -- ) |
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(( (( ` c || ` C )) {{ start }} nonl ** |
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{{ end c-flag @ IF type cr ELSE 2drop THEN }} |
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)) <- c-comment ( -- ) |
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(( ` - nonl ** {{ |
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forth-flag @ IF ." [ELSE]" cr THEN |
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c-flag @ IF ." #else" cr THEN }} |
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)) <- else-comment |
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(( ` + {{ start }} nonl ** {{ end |
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dup |
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IF c-flag @ |
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IF ." #ifdef HAS_" bounds ?DO I c@ toupper emit LOOP cr |
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THEN |
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forth-flag @ |
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IF ." has? " type ." [IF]" cr THEN |
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ELSE 2drop |
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c-flag @ IF ." #endif" cr THEN |
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forth-flag @ IF ." [THEN]" cr THEN |
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THEN }} |
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)) <- if-comment |
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(( (( eval-comment || forth-comment || c-comment || else-comment || if-comment )) ?? nonl ** )) <- comment-body |
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(( ` \ comment-body nl )) <- comment ( -- ) |
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(( {{ start }} stack-ident {{ end 2 pick init-item item% %size + }} white ** )) ** |
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<- stack-items |
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(( {{ effect-in }} stack-items {{ effect-in-end ! }} |
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` - ` - white ** |
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{{ effect-out }} stack-items {{ effect-out-end ! }} |
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)) <- stack-effect ( -- ) |
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(( {{ s" " doc 2! s" " forth-code 2! s" " wordset 2! }} |
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(( {{ line @ name-line ! filename 2@ name-filename 2! }} |
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{{ start }} forth-ident {{ end 2dup forth-name 2! c-name 2! }} white ++ |
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` ( white ** {{ start }} stack-effect {{ end stack-string 2! }} ` ) white ** |
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(( {{ start }} forth-ident {{ end wordset 2! }} white ** |
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(( {{ start }} c-ident {{ end c-name 2! }} )) ?? |
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)) ?? nl |
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)) |
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(( ` " ` " {{ start }} (( noquote ++ ` " )) ++ {{ end 1- doc 2! }} ` " white ** nl )) ?? |
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{{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl ** nl white ** )) ** {{ end c-code 2! skipsynclines on }} |
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(( ` : white ** nl |
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{{ start }} (( nonl ++ nl white ** )) ++ {{ end forth-code 2! }} |
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)) ?? {{ printprim }} |
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(( nl || eof )) |
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)) <- primitive ( -- ) |
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(( (( comment || primitive || nl white ** )) ** eof )) |
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parser primitives2something |
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warnings @ [IF] |
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.( parser generated ok ) cr |
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[THEN] |
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: primfilter ( file-id xt -- ) |
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\ fileid is for the input file, xt ( -- ) is for the output word |
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output ! |
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here dup rawinput ! dup line-start ! cookedinput ! |
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here unused rot read-file throw |
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dup here + endrawinput ! |
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allot |
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align |
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checksyncline |
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\ begin |
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\ getinput dup eof-char = ?EXIT emit true ?nextchar |
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\ again ; |
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primitives2something ; |
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\ types |
\ types |
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: stack-access ( n stack -- ) |
: stack-access ( n stack -- ) |
Line 532 does> ( item -- )
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Line 350 does> ( item -- )
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: declarations ( -- ) |
: declarations ( -- ) |
wordlist dup items ! set-current |
wordlist dup items ! set-current |
effect-in effect-in-end @ declaration-list |
prim prim-effect-in prim prim-effect-in-end @ declaration-list |
effect-out effect-out-end @ declaration-list ; |
prim prim-effect-out prim prim-effect-out-end @ declaration-list ; |
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: print-declaration { item -- } |
: print-declaration { item -- } |
item item-first @ if |
item item-first @ if |
Line 542 does> ( item -- )
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Line 360 does> ( item -- )
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endif ; |
endif ; |
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: print-declarations ( -- ) |
: print-declarations ( -- ) |
effect-in effect-in-end @ ['] print-declaration map-items |
prim prim-effect-in prim prim-effect-in-end @ ['] print-declaration map-items |
effect-out effect-out-end @ ['] print-declaration map-items ; |
prim prim-effect-out prim prim-effect-out-end @ ['] print-declaration map-items ; |
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: stack-prefix ( stack "prefix" -- ) |
: stack-prefix ( stack "prefix" -- ) |
name tuck nextname create ( stack length ) 2, |
name tuck nextname create ( stack length ) 2, |
Line 575 does> ( item -- )
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Line 393 does> ( item -- )
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: compute-offsets ( -- ) |
: compute-offsets ( -- ) |
data-stack clear-stack fp-stack clear-stack return-stack clear-stack |
data-stack clear-stack fp-stack clear-stack return-stack clear-stack |
inst-stream clear-stack |
inst-stream clear-stack |
effect-in effect-in-end @ ['] compute-offset-in map-items |
prim prim-effect-in prim prim-effect-in-end @ ['] compute-offset-in map-items |
effect-out 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<> abort" # can only be on the input side" ; |
inst-stream stack-out @ 0<> abort" # can only be on the input side" ; |
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: flush-a-tos { stack -- } |
: flush-a-tos { stack -- } |
Line 608 does> ( item -- )
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Line 426 does> ( item -- )
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dup item-type @ type-fetch @ execute ; |
dup item-type @ type-fetch @ execute ; |
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: fetches ( -- ) |
: fetches ( -- ) |
effect-in effect-in-end @ ['] fetch map-items ; |
prim prim-effect-in prim prim-effect-in-end @ ['] fetch map-items ; |
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: stack-pointer-update { stack -- } |
: stack-pointer-update { stack -- } |
\ stack grow downwards |
\ stack grow downwards |
Line 634 does> ( item -- )
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Line 452 does> ( item -- )
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dup item-type @ type-store @ execute ; |
dup item-type @ type-store @ execute ; |
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: stores ( -- ) |
: stores ( -- ) |
effect-out effect-out-end @ ['] store map-items ; |
prim prim-effect-out prim prim-effect-out-end @ ['] store map-items ; |
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: output-c-tail ( -- ) |
: output-c-tail ( -- ) |
\ the final part of the generated C code |
\ the final part of the generated C code |
Line 666 does> ( item -- )
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Line 484 does> ( item -- )
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: print-debug-args ( -- ) |
: print-debug-args ( -- ) |
." #ifdef VM_DEBUG" cr |
." #ifdef VM_DEBUG" cr |
." if (vm_debug) {" cr |
." if (vm_debug) {" cr |
effect-in effect-in-end @ ['] print-debug-arg map-items |
prim prim-effect-in prim prim-effect-in-end @ ['] print-debug-arg map-items |
." fputc('\n', vm_out);" cr |
." fputc('\n', vm_out);" cr |
." }" cr |
." }" cr |
." #endif" cr ; |
." #endif" cr ; |
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: output-c ( -- ) |
: output-c ( -- ) |
." I_" c-name 2@ type ." : /* " forth-name 2@ type ." ( " stack-string 2@ type ." ) */" cr |
." I_" prim prim-c-name 2@ type ." : /* " prim prim-name 2@ type ." ( " prim prim-stack-string 2@ type ." ) */" cr |
." /* " doc 2@ type ." */" cr |
." /* " prim prim-doc 2@ type ." */" cr |
." NAME(" quote forth-name 2@ type quote ." )" cr \ debugging |
." NAME(" quote prim prim-name 2@ type quote ." )" cr \ debugging |
." {" cr |
." {" cr |
." DEF_CA" cr |
." DEF_CA" cr |
declarations |
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compute-offsets \ for everything else |
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print-declarations |
print-declarations |
." NEXT_P0;" cr |
." NEXT_P0;" cr |
flush-tos |
flush-tos |
Line 687 does> ( item -- )
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Line 503 does> ( item -- )
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stack-pointer-updates |
stack-pointer-updates |
." {" cr |
." {" cr |
." #line " c-line @ . quote c-filename 2@ type quote cr |
." #line " c-line @ . quote c-filename 2@ type quote cr |
c-code 2@ type-c |
prim prim-c-code 2@ type-c |
." }" cr |
." }" cr |
output-c-tail |
output-c-tail |
." }" cr |
." }" cr |
Line 703 does> ( item -- )
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Line 519 does> ( item -- )
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endif ; |
endif ; |
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: disasm-args ( -- ) |
: disasm-args ( -- ) |
effect-in effect-in-end @ ['] disasm-arg map-items ; |
prim prim-effect-in prim prim-effect-in-end @ ['] disasm-arg map-items ; |
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: output-disasm ( -- ) |
: output-disasm ( -- ) |
\ generate code for disassembling VM instructions |
\ generate code for disassembling VM instructions |
." if (ip[0] == prim[" function-number @ 0 .r ." ]) {" cr |
." if (ip[0] == prim[" function-number @ 0 .r ." ]) {" cr |
." fputs(" quote forth-name 2@ type quote ." , vm_out);" cr |
." fputs(" quote prim prim-name 2@ type quote ." , vm_out);" cr |
." /* " declarations ." */" cr |
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compute-offsets |
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disasm-args |
disasm-args |
." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr |
." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr |
." } else " |
." } else " ; |
1 function-number +! ; |
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: gen-arg-parm { item -- } |
: gen-arg-parm { item -- } |
item item-stack @ inst-stream = if |
item item-stack @ inst-stream = if |
Line 723 does> ( item -- )
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Line 536 does> ( item -- )
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endif ; |
endif ; |
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: gen-args-parm ( -- ) |
: gen-args-parm ( -- ) |
effect-in effect-in-end @ ['] gen-arg-parm map-items ; |
prim prim-effect-in prim prim-effect-in-end @ ['] gen-arg-parm map-items ; |
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: gen-arg-gen { item -- } |
: gen-arg-gen { item -- } |
item item-stack @ inst-stream = if |
item item-stack @ inst-stream = if |
Line 732 does> ( item -- )
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Line 545 does> ( item -- )
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endif ; |
endif ; |
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: gen-args-gen ( -- ) |
: gen-args-gen ( -- ) |
effect-in effect-in-end @ ['] gen-arg-gen map-items ; |
prim prim-effect-in prim prim-effect-in-end @ ['] gen-arg-gen map-items ; |
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: output-gen ( -- ) |
: output-gen ( -- ) |
\ generate C code for generating VM instructions |
\ generate C code for generating VM instructions |
." /* " declarations ." */" cr |
." void gen_" prim prim-c-name 2@ type ." (Inst **ctp" gen-args-parm ." )" cr |
compute-offsets |
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." void gen_" c-name 2@ type ." (Inst **ctp" gen-args-parm ." )" cr |
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." {" cr |
." {" cr |
." gen_inst(ctp, vm_prim[" function-number @ 0 .r ." ]);" cr |
." gen_inst(ctp, vm_prim[" function-number @ 0 .r ." ]);" cr |
gen-args-gen |
gen-args-gen |
." }" cr |
." }" cr ; |
1 function-number +! ; |
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: stack-used? { stack -- f } |
: stack-used? { stack -- f } |
stack stack-in @ stack stack-out @ or 0<> ; |
stack stack-in @ stack stack-out @ or 0<> ; |
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: output-funclabel ( -- ) |
: output-funclabel ( -- ) |
1 function-number +! |
." &I_" prim prim-c-name 2@ type ." ," cr ; |
." &I_" c-name 2@ type ." ," cr ; |
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: output-forthname ( -- ) |
: output-forthname ( -- ) |
1 function-number +! |
'" emit prim prim-name 2@ type '" emit ." ," cr ; |
'" emit forth-name 2@ type '" emit ." ," cr ; |
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: output-c-func ( -- ) |
: output-c-func ( -- ) |
\ used for word libraries |
\ used for word libraries |
1 function-number +! |
." Cell * I_" prim prim-c-name 2@ type ." (Cell *SP, Cell **FP) /* " prim prim-name 2@ type |
." Cell * I_" c-name 2@ type ." (Cell *SP, Cell **FP) /* " forth-name 2@ type |
." ( " prim prim-stack-string 2@ type ." ) */" cr |
." ( " stack-string 2@ type ." ) */" cr |
." /* " prim prim-doc 2@ type ." */" cr |
." /* " doc 2@ type ." */" cr |
." NAME(" quote prim prim-name 2@ type quote ." )" cr |
." NAME(" quote forth-name 2@ type quote ." )" cr |
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\ debugging |
\ debugging |
." {" cr |
." {" cr |
declarations |
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compute-offsets \ for everything else |
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print-declarations |
print-declarations |
inst-stream stack-used? IF ." Cell *ip=IP;" cr THEN |
inst-stream stack-used? IF ." Cell *ip=IP;" cr THEN |
data-stack stack-used? IF ." Cell *sp=SP;" cr THEN |
data-stack stack-used? IF ." Cell *sp=SP;" cr THEN |
Line 778 does> ( item -- )
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Line 583 does> ( item -- )
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fp-stack stack-used? IF ." *FP=fp;" cr THEN |
fp-stack stack-used? IF ." *FP=fp;" cr THEN |
." {" cr |
." {" cr |
." #line " c-line @ . quote c-filename 2@ type quote cr |
." #line " c-line @ . quote c-filename 2@ type quote cr |
c-code 2@ type |
prim prim-c-code 2@ type |
." }" cr |
." }" cr |
stores |
stores |
fill-tos |
fill-tos |
Line 787 does> ( item -- )
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Line 592 does> ( item -- )
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cr ; |
cr ; |
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: output-label ( -- ) |
: output-label ( -- ) |
." (Label)&&I_" c-name 2@ type ." ," cr |
." (Label)&&I_" prim prim-c-name 2@ type ." ," cr ; |
-1 primitive-number +! ; |
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: output-alias ( -- ) |
: output-alias ( -- ) |
( primitive-number @ . ." alias " ) ." Primitive " forth-name 2@ type cr |
( primitive-number @ . ." alias " ) ." Primitive " prim prim-name 2@ type cr ; |
-1 primitive-number +! ; |
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: output-forth ( -- ) |
: output-forth ( -- ) |
forth-code @ 0= |
prim prim-forth-code @ 0= |
IF \ output-alias |
IF \ output-alias |
\ this is bad for ec: an alias is compiled if tho word does not exist! |
\ this is bad for ec: an alias is compiled if tho word does not exist! |
\ JAW |
\ JAW |
ELSE ." : " forth-name 2@ type ." ( " |
ELSE ." : " prim prim-name 2@ type ." ( " |
stack-string 2@ type ." )" cr |
prim prim-stack-string 2@ type ." )" cr |
forth-code 2@ type cr |
prim prim-forth-code 2@ type cr |
-1 primitive-number +! |
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THEN ; |
THEN ; |
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: output-tag-file ( -- ) |
: output-tag-file ( -- ) |
Line 815 does> ( item -- )
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Line 617 does> ( item -- )
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: output-tag ( -- ) |
: output-tag ( -- ) |
output-tag-file |
output-tag-file |
forth-name 2@ 1+ type |
prim prim-name 2@ 1+ type |
127 emit |
127 emit |
space forth-name 2@ type space |
space prim prim-name 2@ type space |
1 emit |
1 emit |
name-line @ 0 .r |
name-line @ 0 .r |
." ,0" cr ; |
." ,0" cr ; |
Line 825 does> ( item -- )
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Line 627 does> ( item -- )
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[IFDEF] documentation |
[IFDEF] documentation |
: register-doc ( -- ) |
: register-doc ( -- ) |
get-current documentation set-current |
get-current documentation set-current |
forth-name 2@ nextname create |
prim prim-name 2@ nextname create |
forth-name 2@ 2, |
prim prim-name 2@ 2, |
stack-string 2@ condition-stack-effect 2, |
prim prim-stack-string 2@ condition-stack-effect 2, |
wordset 2@ 2, |
prim prim-wordset 2@ 2, |
c-name 2@ condition-pronounciation 2, |
prim prim-c-name 2@ condition-pronounciation 2, |
doc 2@ 2, |
prim prim-doc 2@ 2, |
set-current ; |
set-current ; |
[THEN] |
[THEN] |
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\ combining instructions |
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\ The input should look like this: |
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\ lit_+ = lit + |
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\ The output should look like this: |
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\ I_lit_+: |
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\ { |
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\ DEF_CA |
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\ Cell _x_ip0; |
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\ Cell _x_sp0; |
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\ Cell _x_sp1; |
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\ NEXT_P0; |
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\ _x_ip0 = (Cell) IPTOS; |
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\ _x_sp0 = (Cell) spTOS; |
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\ INC_IP(1); |
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\ /* sp += 0; */ |
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\ /* lit ( #w -- w ) */ |
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\ /* */ |
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\ NAME("lit") |
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\ { |
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\ Cell w; |
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\ w = (Cell) _x_ip0; |
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\ #ifdef VM_DEBUG |
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\ if (vm_debug) { |
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\ fputs(" w=", vm_out); printarg_w (w); |
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\ fputc('\n', vm_out); |
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\ } |
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\ #endif |
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\ { |
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\ #line 136 "./prim" |
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\ } |
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\ _x_sp1 = (Cell)w; |
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\ } |
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\ I_plus: /* + ( n1 n2 -- n ) */ |
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\ /* */ |
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\ NAME("+") |
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\ { |
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\ DEF_CA |
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\ Cell n1; |
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\ Cell n2; |
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\ Cell n; |
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\ NEXT_P0; |
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\ n1 = (Cell) _x_sp0; |
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\ n2 = (Cell) _x_sp1; |
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\ #ifdef VM_DEBUG |
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\ if (vm_debug) { |
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\ fputs(" n1=", vm_out); printarg_n (n1); |
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\ fputs(" n2=", vm_out); printarg_n (n2); |
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\ fputc('\n', vm_out); |
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\ } |
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\ #endif |
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\ { |
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\ #line 516 "./prim" |
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\ n = n1+n2; |
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\ } |
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\ NEXT_P1; |
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\ _x_sp0 = (Cell)n; |
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\ NEXT_P2; |
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\ } |
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\ NEXT_P1; |
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\ spTOS = (Cell)_x_sp0; |
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\ NEXT_P2; |
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\ the parser |
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eof-char max-member \ the whole character set + EOF |
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: getinput ( -- n ) |
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rawinput @ endrawinput @ = |
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if |
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eof-char |
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else |
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cookedinput @ c@ |
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endif ; |
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:noname ( n -- ) |
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dup bl > if |
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emit space |
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else |
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. |
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endif ; |
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print-token ! |
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: testchar? ( set -- f ) |
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getinput member? ; |
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' testchar? test-vector ! |
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: checksyncline ( -- ) |
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\ when input points to a newline, check if the next line is a |
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\ sync line. If it is, perform the appropriate actions. |
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rawinput @ >r |
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s" #line " r@ over compare 0<> if |
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rdrop 1 line +! EXIT |
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endif |
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0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) |
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dup c@ bl = if |
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char+ dup c@ [char] " <> abort" sync line syntax" |
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char+ dup 100 [char] " scan drop swap 2dup - save-mem filename 2! |
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char+ |
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endif |
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dup c@ nl-char <> abort" sync line syntax" |
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skipsynclines @ if |
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dup char+ rawinput ! |
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rawinput @ c@ cookedinput @ c! |
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endif |
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drop ; |
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: print-error-line ( -- ) |
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\ print the current line and position |
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line-start @ endrawinput @ over - 2dup nl-char scan drop nip ( start end ) |
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over - type cr |
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line-start @ rawinput @ over - typewhite ." ^" cr ; |
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: ?nextchar ( f -- ) |
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?not? if |
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outfile-id >r try |
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stderr to outfile-id |
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filename 2@ type ." :" line @ 0 .r ." : syntax error, wrong char:" |
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getinput . cr |
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print-error-line |
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0 |
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recover endtry |
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r> to outfile-id throw |
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abort |
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endif |
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rawinput @ endrawinput @ <> if |
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rawinput @ c@ |
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1 chars rawinput +! |
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1 chars cookedinput +! |
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nl-char = if |
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checksyncline |
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rawinput @ line-start ! |
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endif |
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rawinput @ c@ cookedinput @ c! |
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endif ; |
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: charclass ( set "name" -- ) |
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['] ?nextchar terminal ; |
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: .. ( c1 c2 -- set ) |
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( creates a set that includes the characters c, c1<=c<=c2 ) |
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empty copy-set |
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swap 1+ rot do |
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i over add-member |
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loop ; |
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: ` ( -- terminal ) ( use: ` c ) |
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( creates anonymous terminal for the character c ) |
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char singleton ['] ?nextchar make-terminal ; |
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char a char z .. char A char Z .. union char _ singleton union charclass letter |
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char 0 char 9 .. charclass digit |
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bl singleton tab-char over add-member charclass white |
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nl-char singleton eof-char over add-member complement charclass nonl |
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nl-char singleton eof-char over add-member |
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char : over add-member complement charclass nocolonnl |
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bl 1+ maxchar .. char \ singleton complement intersection |
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charclass nowhitebq |
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bl 1+ maxchar .. charclass nowhite |
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char " singleton eof-char over add-member complement charclass noquote |
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nl-char singleton charclass nl |
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eof-char singleton charclass eof |
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(( letter (( letter || digit )) ** |
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)) <- c-ident ( -- ) |
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(( ` # ?? (( letter || digit || ` : )) ** |
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)) <- stack-ident ( -- ) |
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(( nowhitebq nowhite ** )) |
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<- forth-ident ( -- ) |
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Variable forth-flag |
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Variable c-flag |
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(( (( ` e || ` E )) {{ start }} nonl ** |
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{{ end evaluate }} |
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)) <- eval-comment ( ... -- ... ) |
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(( (( ` f || ` F )) {{ start }} nonl ** |
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{{ end forth-flag @ IF type cr ELSE 2drop THEN }} |
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)) <- forth-comment ( -- ) |
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(( (( ` c || ` C )) {{ start }} nonl ** |
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{{ end c-flag @ IF type cr ELSE 2drop THEN }} |
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)) <- c-comment ( -- ) |
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(( ` - nonl ** {{ |
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forth-flag @ IF ." [ELSE]" cr THEN |
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c-flag @ IF ." #else" cr THEN }} |
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)) <- else-comment |
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(( ` + {{ start }} nonl ** {{ end |
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dup |
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IF c-flag @ |
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IF ." #ifdef HAS_" bounds ?DO I c@ toupper emit LOOP cr |
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THEN |
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forth-flag @ |
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IF ." has? " type ." [IF]" cr THEN |
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ELSE 2drop |
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c-flag @ IF ." #endif" cr THEN |
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forth-flag @ IF ." [THEN]" cr THEN |
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THEN }} |
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)) <- if-comment |
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(( (( eval-comment || forth-comment || c-comment || else-comment || if-comment )) ?? nonl ** )) <- comment-body |
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(( ` \ comment-body nl )) <- comment ( -- ) |
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(( {{ start }} stack-ident {{ end 2 pick init-item item% %size + }} white ** )) ** |
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<- stack-items |
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(( {{ prim prim-effect-in }} stack-items {{ prim prim-effect-in-end ! }} |
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` - ` - white ** |
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{{ prim prim-effect-out }} stack-items {{ prim prim-effect-out-end ! }} |
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)) <- stack-effect ( -- ) |
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(( |
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` ( white ** {{ start }} stack-effect {{ end prim prim-stack-string 2! }} ` ) white ** |
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(( {{ start }} forth-ident {{ end prim prim-wordset 2! }} white ** |
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(( {{ start }} c-ident {{ end prim prim-c-name 2! }} )) ?? |
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)) ?? nl |
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(( ` " ` " {{ start }} (( noquote ++ ` " )) ++ {{ end 1- prim prim-doc 2! }} ` " white ** nl )) ?? |
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{{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl ** nl white ** )) ** {{ end prim prim-c-code 2! skipsynclines on }} |
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(( ` : white ** nl |
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{{ start }} (( nonl ++ nl white ** )) ++ {{ end prim prim-forth-code 2! }} |
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)) ?? {{ declarations compute-offsets printprim 1 function-number +! }} |
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(( nl || eof )) |
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)) <- simple-primitive ( -- ) |
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(( ` = (( white ++ forth-ident )) ++ (( nl || eof )) |
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)) <- combined-primitive |
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|
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(( {{ make-prim to prim |
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line @ name-line ! filename 2@ name-filename 2! |
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start }} forth-ident {{ end 2dup prim prim-name 2! prim prim-c-name 2! }} white ++ |
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(( simple-primitive || combined-primitive )) |
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)) <- primitive ( -- ) |
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(( (( comment || primitive || nl white ** )) ** eof )) |
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parser primitives2something |
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warnings @ [IF] |
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.( parser generated ok ) cr |
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[THEN] |
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|
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: primfilter ( addr u -- ) |
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\ process the string at addr u |
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over dup rawinput ! dup line-start ! cookedinput ! |
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+ endrawinput ! |
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checksyncline |
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primitives2something ; |
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: process-file ( addr u xt -- ) |
: process-file ( addr u xt -- ) |
>r |
output ! |
save-mem 2dup filename 2! |
save-mem 2dup filename 2! |
0 function-number ! |
slurp-file |
r/o open-file abort" cannot open file" |
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warnings @ if |
warnings @ if |
." ------------ CUT HERE -------------" cr endif |
." ------------ CUT HERE -------------" cr endif |
r> primfilter ; |
primfilter ; |
|
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: process ( xt -- ) |
: process ( xt -- ) |
bl word count rot |
bl word count rot |