X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?a=blobdiff_plain;f=src%2Fforth.jl;h=97dcc57dd4328cded9b96d176ced9b86df5e4c55;hb=213140aac1ad3c08a74dd5eea06464c474d54cd2;hp=c2019d45a025bae66aaf3879d042b312d1bf7fb4;hpb=231a3650050eba3a478b814b149963eb3e0625e7;p=forth.jl.git diff --git a/src/forth.jl b/src/forth.jl index c2019d4..97dcc57 100644 --- a/src/forth.jl +++ b/src/forth.jl @@ -970,10 +970,12 @@ NUMFIB, NUMFIB_CFA = defNewVar("#FIB", 0) IB_CFA = defPrimWord("IB", () -> begin pushPS(mem[SOURCE_ID] == 0 ? TIB : FIB) + return NEXT end) NUMIB_CFA = defPrimWord("#IB", () -> begin pushPS(mem[SOURCE_ID] == 0 ? NUMTIB : NUMFIB) + return NEXT end) TOIN, TOIN_CFA = defNewVar(">IN", 0) @@ -998,11 +1000,12 @@ QUERY_CFA = defWord("QUERY", EXIT_CFA]) # ( fid -- flag ) -# Flag is false when EOF is reached. +# flag set to true if EOF is reached QUERY_FILE_CFA = defWord("QUERY-FILE", [FIB_CFA, LIT_CFA, 160, ROT_CFA, READ_LINE_CFA, DROP_CFA, SWAP_CFA, NUMFIB_CFA, STORE_CFA, + LIT_CFA, 0, TOIN_CFA, STORE_CFA, EXIT_CFA]) WORD_CFA = defPrimWord("WORD", () -> begin @@ -1038,7 +1041,7 @@ WORD_CFA = defPrimWord("WORD", () -> begin mem[countAddr] = count pushPS(countAddr) - #println("Processing word: '$(getString(countAddr+1,mem[countAddr]))'") + println("Processing word: '$(getString(countAddr+1,mem[countAddr]))' (state $(mem[STATE]))") return NEXT end) @@ -1233,18 +1236,24 @@ QUIT_CFA = defWord("QUIT", BRANCH_CFA,-4]) # Loop INCLUDED_CFA = defWord("INCLUDED", - [LIT_CFA, 0, STATE_CFA, STORE_CFA, # Set mode to interpret - SOURCE_ID_CFA, FETCH_CFA, TOR_CFA, # Store current source on return stack - FAM_RO_CFA, OPEN_FILE_CFA, DROP_CFA, # Open the file - DUP_CFA, SOURCE_ID_CFA, STORE_CFA, # Mark this as the current source - DUP_CFA, QUERY_FILE_CFA, # Read line from file - INTERPRET_CFA, # Interpret line - ZBRANCH_CFA, -4, # Loop if not EOF - CLOSE_FILE_CFA, DROP_CFA, # Close file - FROMR_CFA, SOURCE_ID_CFA, STORE_CFA, # Restore input source + [LIT_CFA, 0, STATE_CFA, STORE_CFA, # Set mode to interpret + FAM_RO_CFA, OPEN_FILE_CFA, DROP_CFA, # Open the file + SOURCE_ID_CFA, FETCH_CFA, SWAP_CFA, # Store current source on stack + SOURCE_ID_CFA, STORE_CFA, # Mark this as the current source + SOURCE_ID_CFA, FETCH_CFA, QUERY_FILE_CFA, # Read line from file + NUMFIB_CFA, FETCH_CFA, ZE_CFA, AND_CFA, # Test for EOF and empty line + INVERT_CFA, ZBRANCH_CFA, 4, # Break out if EOF + INTERPRET_CFA, # Interpret line + BRANCH_CFA, -12, # Loop + SOURCE_ID_CFA, FETCH_CFA, + CLOSE_FILE_CFA, DROP_CFA, # Close file + SOURCE_ID_CFA, STORE_CFA, # Restore input source EXIT_CFA]) -INCLUDE_CFA = defWord("INCLUDE", [LIT_CFA, 32, WORD_CFA, INCLUDED_CFA, EXIT_CFA]); +INCLUDE_CFA = defWord("INCLUDE", [LIT_CFA, 32, WORD_CFA, + DUP_CFA, INCR_CFA, + SWAP_CFA, FETCH_CFA, + INCLUDED_CFA, EXIT_CFA]); ABORT_CFA = defWord("ABORT",