X-Git-Url: https://git.kengrimes.com/?p=watForth.git;a=blobdiff_plain;f=forth.forth;h=2f9ff874b794f7647daf41fcfee36ecde4642a4f;hp=fb04e4d2061dd5965b7ef0cda264c72bc9008e11;hb=b1197f8636a1b46b1eabc565cd41f0a30944cac4;hpb=94d40c7e5521898acd394ca7a3e30cf20065ee5c diff --git a/forth.forth b/forth.forth index fb04e4d..2f9ff87 100644 --- a/forth.forth +++ b/forth.forth @@ -34,11 +34,15 @@ word DEFINE-DOES 45 define word QUIT 16384 define word BYE 25 define word WORDS 27 define -word !CHANNEL 35 define +word CHANNEL-IN 35 define +word CHANNEL-OUT 48 define +word CHANNEL-OPEN 51 define +word CHANNEL-AWAIT 50 define word !HERE 36 define word HERE 28 define word STACKTRACE 46 define +word FETCH 47 define word ; 1 define word JZ: 14 define @@ -53,6 +57,7 @@ word WS? 17 define word . 9 define word .S 38 define word @ 10 define +word @8u 53 define word @+ 42 define word ! 11 define word !+ 43 define @@ -63,6 +68,7 @@ word DROP 16 define word 2DROP 32 define word SWAP 26 define word ROT 31 define +word -ROT 54 define \ ' "TICK" returns address of word's execution semantics word ' here define @@ -83,22 +89,23 @@ word ::> here define ' word , ' 2dup , ' here , ' define-does , ' here , ' define , ' ; , \ write the execution semantics of a word to memory -: MEMORIZE-WORD ' dup , ' JNZ: , here 12 + , ' 2drop , ' ; , +: MEMORIZE-WORD ' dup , ' JNZ: , here 12 + , ' 2drop , ' ; , ' 2dup , ' find , ' dup , ' JZ: , here 16 + , ' , , ' 2drop , ' ; , -' drop , ' lit , ' lit , ' , , ' execute-num , ' , , ' ; , +' drop , ' lit , ' lit , ' , , ' execute-num , ' , , ' ; , \ change interpreter semantics to "memorize-word" -: memorizing ' lit , ' mode , ' lit , ' memorize-word , ' ! , ' ; , +::> MEMORIZING ' lit , ' memorize-word , ' lit , ' mode , ' ! , ' ; , \ memorize the compiler \memorizing -\: executing lit mode lit execute-word ! ; +\: executing lit execute-word lit mode ! ; \: FINISH-" drop string-end ; -\: " string-start \: KLOOP key 34 =? JNZ: finish-" string-put JMP: KLOOP +\: BSLASH-" drop key string-put JMP: \here \8 \+ \, +\: " string-start \: KLOOP key 92 =? JNZ: bslash-" 34 =? JNZ: finish-" string-put JMP: KLOOP \: DO" \:> " " swap lit lit , , lit lit , , ; \: DOIF \:> IF lit JZ: , here dup , ; -\: DOELSE \:> ELSE lit JMP: , here dup , swap here ! ; -\: DOTHEN \:> THEN here ! ; +\: DOELSE \:> ELSE lit JMP: , here dup , here -rot ! ; +\: DOTHEN \:> THEN here swap ! ; \: COMPILE-WORD dup \doif 2dup find-does dup \doif rot 2drop execute ; @@ -106,7 +113,7 @@ word ::> here define \doif , 2drop ; \dothen drop lit lit , execute-num , ; \dothen 2drop \do" Compilation Error: null word" .s bye -\: compiling lit mode lit compile-word ! ; +\: compiling lit compile-word lit mode ! ; \ compile the rest of the compiler \compiling @@ -134,13 +141,27 @@ here define-does then compiling ; \ Multi-line comments ::> ( key 41 =? swap -1 =? swap drop + if ;; then JMP: \' ( \, ; -\ Set the number conversion base -: BASE 14348 swap ! ; - ( End of bootstrap process beyond this point, all hope is lost ) +\ Set the number conversion base +: BASE 14348 ! ; +: BASE10 10 base ; + +\ TICK compilation semantics +:> ' lit lit , word find , ; +\ "TICK DOES" (get compilation semantics execution token) +: '> word find-does ; +:> '> word find-does , ; + +\ Include a remote file +: REQUIRE" ' quit channel-open dup \' " \, fetch channel-await ; + +\ Let's try it +REQUIRE" { \"url\": \"forth/test-watfor.forth\" }" + +\ Print intro string " watForth-32 Interactive CLI: " .s