diff options
Diffstat (limited to 'src/interp')
| -rw-r--r-- | src/interp/spad-parser.boot | 65 | ||||
| -rw-r--r-- | src/interp/spad.lisp | 2 | ||||
| -rw-r--r-- | src/interp/util.lisp | 6 |
3 files changed, 36 insertions, 37 deletions
diff --git a/src/interp/spad-parser.boot b/src/interp/spad-parser.boot index 0eb18815..2fb320e5 100644 --- a/src/interp/spad-parser.boot +++ b/src/interp/spad-parser.boot @@ -751,40 +751,39 @@ parseSpecialCommand() == ++ ??? meaningful. Eventually this code will go away when we ++ ??? finally use the new parser everwhere. parseSpadFile sourceFile == - $SPAD := true -- we are parsing Spad, - SETQ(_*EOF_*, false) -- end of current input? + $SPAD: local := true -- we are parsing Spad, + _*EOF_*: local := false -- end of current input? FILE_-CLOSED : local := false -- current stream closed? - - $OutputStream := MAKE_-SYNONYM_-STREAM "*STANDARD-OUTPUT*" -- noise to standard output - -- we need to tell the post-parsing transformers that we're compiling - -- Spad because few parse forms have slightly different representations - -- depending on whether we are interpreter mode or compiler mode. - $InteractiveMode: local := false - INIT_-BOOT_/SPAD_-READER() - -- we need to restore the global input stream state after we - -- finished messing with it. - savedInStream := (IN_-STREAM : local) - - -- If soureFile cannot be processed for whatever reasons - -- get out of here instead of being stuck later. - not (IN_-STREAM := MAKE_-INSTREAM sourceFile) => - IN_-STREAM := savedInStream - systemError '"cannot open input source file" - INITIALIZE_-PREPARSE IN_-STREAM - - -- gather parse trees for all toplevel expressions in sourceFile. - asts := [] - while not (_*EOF_* or FILE_-CLOSED) repeat - BOOT_-LINE_-STACK : local := PREPARSE IN_-STREAM - LINE : local := CDAR BOOT_-LINE_-STACK - CATCH('SPAD__READER,parseNewExpr()) - asts := [parseTransform postTransform popStack1(), :asts] - -- clean up the mess, and get out of here - IOCLEAR(IN_-STREAM, OUT_-STREAM) - SHUT IN_-STREAM - IN_-STREAM := savedInStream - -- we accumulated the parse trees in reverse order - reverse! asts + try + -- noise to standard output + $OutputStream: local := MAKE_-SYNONYM_-STREAM "*STANDARD-OUTPUT*" + -- we need to tell the post-parsing transformers that we're compiling + -- Spad because few parse forms have slightly different representations + -- depending on whether we are interpreter mode or compiler mode. + $InteractiveMode: local := false + INIT_-BOOT_/SPAD_-READER() + -- we need to restore the global input stream state after we + -- finished messing with it. + IN_-STREAM: local := MAKE_-INSTREAM sourceFile + + -- If soureFile cannot be processed for whatever reasons + -- get out of here instead of being stuck later. + IN_-STREAM = nil => + systemError '"cannot open input source file" + INITIALIZE_-PREPARSE IN_-STREAM + + -- gather parse trees for all toplevel expressions in sourceFile. + asts := [] + while not (_*EOF_* or FILE_-CLOSED) repeat + $lineStack: local := PREPARSE IN_-STREAM + LINE: local := CDAR $lineStack + CATCH('SPAD__READER,parseNewExpr()) + asts := [parseTransform postTransform popStack1(), :asts] + -- we accumulated the parse trees in reverse order + reverse! asts + finally -- clean up the mess, and get out of here + IOCLEAR(IN_-STREAM, OUT_-STREAM) + SHUT IN_-STREAM --% diff --git a/src/interp/spad.lisp b/src/interp/spad.lisp index 2de5aaaa..dfd21b81 100644 --- a/src/interp/spad.lisp +++ b/src/interp/spad.lisp @@ -273,7 +273,7 @@ (let (zz) (INITIALIZE) (SETQ |$previousTime| (TEMPUS-FUGIT)) - (setq ZZ (CONVERSATION '|PARSE-NewExpr| '|process|)) + (setq ZZ (CONVERSATION '|parseNewExpr| '|process|)) INPUTSTREAM)) (defun INITIALIZE () diff --git a/src/interp/util.lisp b/src/interp/util.lisp index 0a6800cb..9c103e5e 100644 --- a/src/interp/util.lisp +++ b/src/interp/util.lisp @@ -266,10 +266,10 @@ (if (and (> (LENGTH LINE) 0) (EQ (CHAR LINE 0) #\) )) (|processSynonyms|)) (ioclear) - (LET* ((BOOT-LINE-STACK (LIST (CONS 1 LINE))) + (LET* ((|$lineStack| (LIST (CONS 1 LINE))) ($SPAD T) - (PARSEOUT (PROG2 (|PARSE-NewExpr|) (|popStack1|)))) - (DECLARE (SPECIAL BOOT-LINE-STACK $SPAD)) + (PARSEOUT (PROG2 (|parseNewExpr|) (|popStack1|)))) + (DECLARE (SPECIAL |$lineStack| $SPAD)) PARSEOUT)) |