--- gforth/prims2x.fs 2001/12/24 14:09:06 1.102 +++ gforth/prims2x.fs 2002/09/14 08:20:19 1.113 @@ -60,9 +60,9 @@ include startup.fs : struct% struct ; \ struct is redefined in gray warnings off +\ warnings on include ./gray.fs - 32 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). 255 constant maxchar @@ -78,10 +78,17 @@ variable line-start \ pointer to start o 0 line ! 2variable filename \ filename of original input file 0 0 filename 2! +2variable out-filename \ filename of the output file (for sync lines) +0 0 out-filename 2! 2variable f-comment 0 0 f-comment 2! variable skipsynclines \ are sync lines ("#line ...") invisible to the parser? -skipsynclines on +skipsynclines on +variable out-nls \ newlines in output (for output sync lines) +0 out-nls ! +variable store-optimization \ use store optimization? +store-optimization off + : th ( addr1 n -- addr2 ) cells + ; @@ -121,12 +128,24 @@ skipsynclines on 0 recover endtry r> to outfile-id throw - abort + 1 (bye) \ abort endif ; : quote ( -- ) [char] " emit ; +\ count output lines to generate sync lines for output + +: count-nls ( addr u -- ) + bounds u+do + i c@ nl-char = negate out-nls +! + loop ; + +:noname ( addr u -- ) + 2dup count-nls + defers type ; +is type + variable output \ xt ( -- ) of output word for simple primitives variable output-combined \ xt ( -- ) of output word for combined primitives @@ -312,26 +331,26 @@ defer inst-stream-f ( -- stack ) item-stack @ stack-type @ type-c-name 2@ ; : fetch-single ( item -- ) - \ fetch a single stack item from its stack - >r - r@ item-name 2@ type - ." = vm_" r@ item-stack-type-name type - ." 2" r@ item-type @ print-type-prefix ." (" - r@ item-in-index r@ item-stack @ stack-access - ." );" cr - rdrop ; + \ fetch a single stack item from its stack + >r + ." vm_" r@ item-stack-type-name type + ." 2" r@ item-type @ print-type-prefix ." (" + r@ item-in-index r@ item-stack @ stack-access ." ," + r@ item-name 2@ type + ." );" cr + rdrop ; : fetch-double ( item -- ) - \ fetch a double stack item from its stack - >r - ." vm_two" - r@ item-stack-type-name type ." 2" - r@ item-type @ print-type-prefix ." (" - r@ item-name 2@ type ." , " - r@ item-in-index r@ item-stack @ 2dup ." (Cell)" stack-access - ." , " -1 under+ ." (Cell)" stack-access - ." );" cr - rdrop ; + \ fetch a double stack item from its stack + >r + ." vm_two" + r@ item-stack-type-name type ." 2" + r@ item-type @ print-type-prefix ." (" + r@ item-in-index r@ item-stack @ 2dup ." (Cell)" stack-access + ." , " -1 under+ ." (Cell)" stack-access + ." , " r@ item-name 2@ type + ." )" cr + rdrop ; : same-as-in? ( item -- f ) \ f is true iff the offset and stack of item is the same as on input @@ -355,26 +374,25 @@ defer inst-stream-f ( -- stack ) >r r@ item-stack @ stack-out @ r> item-offset @ - 1- ; : really-store-single ( item -- ) - >r - r@ item-out-index r@ item-stack @ stack-access ." = vm_" - r@ item-type @ print-type-prefix ." 2" - r@ item-stack-type-name type ." (" - r@ item-name 2@ type ." );" - rdrop ; + >r + ." vm_" + r@ item-type @ print-type-prefix ." 2" + r@ item-stack-type-name type ." (" + r@ item-name 2@ type ." ," + r@ item-out-index r@ item-stack @ stack-access ." );" + rdrop ; : store-single ( item -- ) - >r - r@ same-as-in? - if - r@ item-in-index 0= r@ item-out-index 0= xor - if - ." IF_" r@ item-stack @ stack-pointer 2@ type - ." TOS(" r@ really-store-single ." );" cr - endif - else - r@ really-store-single cr - endif - rdrop ; + >r + store-optimization @ r@ same-as-in? and if + r@ item-in-index 0= r@ item-out-index 0= xor if + ." IF_" r@ item-stack @ stack-pointer 2@ type + ." TOS(" r@ really-store-single ." );" cr + endif + else + r@ really-store-single cr + endif + rdrop ; : store-double ( item -- ) \ !! store optimization is not performed, because it is not yet needed @@ -385,7 +403,7 @@ defer inst-stream-f ( -- stack ) r@ item-name 2@ type ." , " r@ item-out-index r@ item-stack @ 2dup stack-access ." , " -1 under+ stack-access - ." );" cr + ." )" cr rdrop ; : single ( -- xt1 xt2 n ) @@ -423,7 +441,7 @@ wordlist constant prefixes stack r@ type-stack ! rdrop ; -: type-prefix ( xt1 xt2 n stack "prefix" -- ) +: type-prefix ( addr u xt1 xt2 n stack "prefix" -- ) get-current >r prefixes set-current create-type r> set-current does> ( item -- ) @@ -624,58 +642,70 @@ stack inst-stream IP Cell endif 2drop ; -: output-c-tail ( -- ) - \ the final part of the generated C code +: output-c-tail1 ( -- ) + \ the final part of the generated C code except LABEL2 and NEXT_P2 output-super-end print-debug-results ." NEXT_P1;" cr stores - fill-tos + fill-tos ; + +: output-c-tail ( -- ) + \ the final part of the generated C code, without LABEL2 + output-c-tail1 ." NEXT_P2;" ; +: output-c-tail2 ( -- ) + \ the final part of the generated C code, including LABEL2 + output-c-tail1 + ." LABEL2(" prim prim-c-name 2@ type ." )" cr + ." NEXT_P2;" cr ; + : type-c-code ( c-addr u xt -- ) - \ like TYPE, but replaces "TAIL;" with tail code produced by xt + \ like TYPE, but replaces "INST_TAIL;" with tail code produced by xt { xt } + ." {" cr + ." #line " c-line @ . quote c-filename 2@ type quote cr begin ( c-addr1 u1 ) - 2dup s" TAIL;" search + 2dup s" INST_TAIL;" search while ( c-addr1 u1 c-addr3 u3 ) 2dup 2>r drop nip over - type xt execute - 2r> 5 /string + 2r> 10 /string \ !! resync #line missing repeat - 2drop type ; + 2drop type + ." #line " out-nls @ 2 + . quote out-filename 2@ type quote cr + ." }" cr ; : print-entry ( -- ) - ." LABEL(" prim prim-c-name 2@ type ." ):" ; + ." LABEL(" prim prim-c-name 2@ type ." )" ; : output-c ( -- ) - print-entry ." /* " prim prim-name 2@ type ." ( " prim prim-stack-string 2@ type ." ) */" cr - ." /* " prim prim-doc 2@ type ." */" cr - ." NAME(" quote prim prim-name 2@ type quote ." )" cr \ debugging - ." {" cr - ." DEF_CA" cr - print-declarations - ." NEXT_P0;" cr - flush-tos - fetches - print-debug-args - stack-pointer-updates - ." {" cr - ." #line " c-line @ . quote c-filename 2@ type quote cr - prim prim-c-code 2@ ['] output-c-tail type-c-code - ." }" cr - output-c-tail - ." }" cr - cr + print-entry ." /* " prim prim-name 2@ type ." ( " prim prim-stack-string 2@ type ." ) */" cr + ." /* " prim prim-doc 2@ type ." */" cr + ." NAME(" quote prim prim-name 2@ type quote ." )" cr \ debugging + ." {" cr + ." DEF_CA" cr + print-declarations + ." NEXT_P0;" cr + flush-tos + fetches + print-debug-args + stack-pointer-updates + prim prim-c-code 2@ ['] output-c-tail type-c-code + output-c-tail2 + ." }" cr + cr ; : disasm-arg { item -- } item item-stack @ inst-stream = if - ." fputc(' ', vm_out); " - ." printarg_" item item-type @ print-type-prefix - ." ((" item item-type @ type-c-name 2@ type ." )" - ." ip[" item item-offset @ 1+ 0 .r ." ]);" cr + ." {" cr + item print-declaration + item fetch + item print-debug-arg + ." }" cr endif ; : disasm-args ( -- ) @@ -683,7 +713,7 @@ stack inst-stream IP Cell : output-disasm ( -- ) \ generate code for disassembling VM instructions - ." if (ip[0] == prim[" function-number @ 0 .r ." ]) {" cr + ." if (VM_IS_INST(*ip, " function-number @ 0 .r ." )) {" cr ." fputs(" quote prim prim-name 2@ type quote ." , vm_out);" cr disasm-args ." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr @@ -693,7 +723,7 @@ stack inst-stream IP Cell : output-profile ( -- ) \ generate code for postprocessing the VM block profile stuff ." if (VM_IS_INST(*ip, " function-number @ 0 .r ." )) {" cr - ." add_inst(b, " quote prim prim-name 2@ type quote ." );" cr + ." add_inst(b, " quote prim prim-name 2@ type quote ." );" cr ." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr prim prim-c-code 2@ s" SET_IP" search nip nip prim prim-c-code 2@ s" SUPER_END" search nip nip or if @@ -703,6 +733,30 @@ stack inst-stream IP Cell endif ." }" cr ; +: output-profile-combined ( -- ) + \ generate code for postprocessing the VM block profile stuff + ." if (VM_IS_INST(*ip, " function-number @ 0 .r ." )) {" cr + num-combined @ 0 +do + ." add_inst(b, " quote + combined-prims i th @ prim-name 2@ type + quote ." );" cr + loop + ." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr + combined-prims num-combined @ 1- th @ prim-c-code 2@ s" SET_IP" search nip nip + combined-prims num-combined @ 1- th @ prim-c-code 2@ s" SUPER_END" search nip nip or if + ." return;" cr + else + ." goto _endif_;" cr + endif + ." }" cr ; + +: output-superend ( -- ) + \ output flag specifying whether the current word ends a dynamic superinst + prim prim-c-code 2@ s" SET_IP" search nip nip + prim prim-c-code 2@ s" SUPER_END" search nip nip or 0<> + prim prim-c-code 2@ s" SUPER_CONTINUE" search nip nip 0= and + negate 0 .r ." , /* " prim prim-name 2@ type ." */" cr ; + : gen-arg-parm { item -- } item item-stack @ inst-stream = if ." , " item item-type @ type-c-name 2@ type space @@ -783,7 +837,7 @@ stack inst-stream IP Cell THEN ; : output-tag-file ( -- ) - name-filename 2@ last-name-filename 2@ compare if + name-filename 2@ last-name-filename 2@ str= 0= if name-filename 2@ last-name-filename 2! #ff emit cr name-filename 2@ type @@ -873,9 +927,7 @@ stack inst-stream IP Cell \ #line 516 "./prim" \ n = n1+n2; \ } -\ NEXT_P1; \ _x_sp0 = (Cell)n; -\ NEXT_P2; \ } \ NEXT_P1; \ spTOS = (Cell)_x_sp0; @@ -992,10 +1044,7 @@ stack inst-stream IP Cell part-fetches print-debug-args prim add-depths \ !! right place? - ." {" cr - ." #line " c-line @ . quote c-filename 2@ type quote cr prim prim-c-code 2@ ['] output-combined-tail type-c-code - ." }" cr part-output-c-tail ." }" cr ; @@ -1020,7 +1069,7 @@ stack inst-stream IP Cell \ print-debug-args stack-pointer-updates output-parts - output-c-tail + output-c-tail2 ." }" cr cr ; @@ -1082,7 +1131,7 @@ print-token ! \ when input points to a newline, check if the next line is a \ sync line. If it is, perform the appropriate actions. rawinput @ >r - s" #line " r@ over compare 0<> if + s" #line " r@ over str= 0= if rdrop 1 line +! EXIT endif 0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) @@ -1131,6 +1180,8 @@ bl singleton tab-char over add-member nl-char singleton eof-char over add-member complement charclass nonl nl-char singleton eof-char over add-member char : over add-member complement charclass nocolonnl +nl-char singleton eof-char over add-member + char } over add-member complement charclass nobracenl bl 1+ maxchar .. char \ singleton complement intersection charclass nowhitebq bl 1+ maxchar .. charclass nowhite @@ -1142,7 +1193,7 @@ nl-char singleton eof-char over add-memb (( letter (( letter || digit )) ** )) <- c-ident ( -- ) -(( ` # ?? (( letter || digit || ` : )) ** +(( ` # ?? (( letter || digit || ` : )) ++ )) <- stack-ident ( -- ) (( nowhitebq nowhite ** )) @@ -1205,7 +1256,10 @@ Variable c-flag (( {{ start }} c-ident {{ end prim prim-c-name 2! }} )) ?? )) ?? nleof (( ` " ` " {{ start }} (( noquote ++ ` " )) ++ {{ end 1- prim prim-doc 2! }} ` " white ** nleof )) ?? - {{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl ** nleof white ** )) ** {{ end prim prim-c-code 2! skipsynclines on }} + {{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} + (( (( ` { nonl ** nleof (( (( nobracenl {{ line @ drop }} nonl ** )) ?? nleof )) ** ` } white ** nleof white ** )) + || (( nocolonnl nonl ** nleof white ** )) ** )) + {{ end prim prim-c-code 2! skipsynclines on }} (( ` : white ** nleof {{ start }} (( nonl ++ nleof white ** )) ++ {{ end prim prim-forth-code 2! }} )) ?? {{ process-simple }} @@ -1220,7 +1274,9 @@ Variable c-flag (( {{ make-prim to prim 0 to combined line @ name-line ! filename 2@ name-filename 2! function-number @ prim prim-num ! - start }} forth-ident {{ end 2dup prim prim-name 2! prim prim-c-name 2! }} white ++ + start }} [ifdef] vmgen c-ident [else] forth-ident [then] {{ end + 2dup prim prim-name 2! prim prim-c-name 2! }} white ** + (( ` / white ** {{ start }} c-ident {{ end prim prim-c-name 2! }} white ** )) ?? (( simple-primitive || combined-primitive )) {{ 1 function-number +! }} )) <- primitive ( -- )