diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ChangeLog | 9 | ||||
| -rw-r--r-- | src/interp/lexing.boot | 2 | ||||
| -rw-r--r-- | src/interp/preparse.lisp | 37 | ||||
| -rw-r--r-- | src/interp/spad-parser.boot | 22 | ||||
| -rw-r--r-- | src/interp/spad.lisp | 2 |
5 files changed, 40 insertions, 32 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index 290710c5..56f10878 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,12 +1,17 @@ 2012-05-09 Gabriel Dos Reis <gdr@cs.tamu.edu> + * interp/preparse.lisp (PREPARSE): Move to spad-parser.boot. + Rename as preparse. + +2012-05-09 Gabriel Dos Reis <gdr@cs.tamu.edu> + * interp/preparse.lisp (FINCOMBLOCK): Move to spad-parser.boot. - Rename to findCommentBlock. + Rename as findCommentBlock. 2012-05-09 Gabriel Dos Reis <gdr@cs.tamu.edu> * interp/preparse.lisp (PREPARSE-ECHO): Move to spad-parser.boot. - Rename to preparseEcho. + Rename as preparseEcho. * lisp/core.lisp.in (formatToStream): New. 2012-05-08 Gabriel Dos Reis <gdr@cs.tamu.edu> diff --git a/src/interp/lexing.boot b/src/interp/lexing.boot index 4b357918..940f0e4d 100644 --- a/src/interp/lexing.boot +++ b/src/interp/lexing.boot @@ -110,7 +110,7 @@ lineAdvanceChar! l == ++ Current input line $spadLine := makeLine() -++ List of lines returned from PREPARSE +++ List of lines returned from preparse $lineStack := nil nextLine st == diff --git a/src/interp/preparse.lisp b/src/interp/preparse.lisp index ea7b12cf..331aa3e3 100644 --- a/src/interp/preparse.lisp +++ b/src/interp/preparse.lisp @@ -32,7 +32,7 @@ ;; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ;; NAME: Pre-Parsing Code -;; PURPOSE: BOOT lines are massaged by PREPARSE to make them easier to parse: +;; PURPOSE: BOOT lines are massaged by preparse to make them easier to parse: ;; 1. Trailing -- comments are removed (this is already done, actually). ;; 2. Comments between { and } are removed. ;; 3. BOOT code is column-sensitive. Code which lines up columnarly is @@ -64,8 +64,8 @@ ; Global storage (defparameter $INDEX 0 "File line number of most recently read line.") -(defparameter $preparse-last-line () "Most recently read line.") -(defparameter $preparseReportIfTrue NIL "Should we print listings?") +(defparameter |$preparseLastLine| () "Most recently read line.") +(defparameter |$preparseReportIfTrue| NIL "Should we print listings?") (defparameter $LineList nil "Stack of preparsed lines.") (defparameter |$EchoLineStack| nil "Stack of lines to list.") (defparameter $IOIndex 0 "Number of latest terminal input line.") @@ -76,28 +76,11 @@ (defun Initialize-Preparse (strm) (setq $INDEX 0 $LineList nil |$EchoLineStack| nil) - (setq $preparse-last-line (|readLine| strm))) + (setq |$preparseLastLine| (|readLine| strm))) (defvar $skipme) -(defun PREPARSE (Strm &aux (stack ())) - (SETQ $COMBLOCKLIST NIL $skipme NIL) - (when $preparse-last-line - (if (consp $preparse-last-line) - (setq stack $preparse-last-line) - (push $preparse-last-line stack)) - (setq $INDEX (- $INDEX (length stack)))) - (let ((U (PREPARSE1 stack))) - (if $skipme (preparse strm) - (progn - (if $preparseReportIfTrue (PARSEPRINT U)) - (setq |$headerDocumentation| NIL) - (SETQ |$docList| NIL) - (SETQ |$maxSignatureLineNumber| 0) - (SETQ |$constructorLineNumber| (IFCAR (IFCAR U))) - U)))) - -(defun PREPARSE1 (LineList) +(defun |preparse1| (LineList) (PROG (($LINELIST LineList) |$EchoLineStack| NUM A I L PSLOC INSTRING PCOUNT COMSYM STRSYM OPARSYM CPARSYM N NCOMSYM (SLOC -1) (CONTINUE NIL) (PARENLEV 0) (NCOMBLOCK ()) @@ -113,7 +96,7 @@ (cond ((and (NULL LINES) (> (LENGTH A) 0) (EQ (CHAR A 0) #\) )) ; this is a command line, don't parse it (|preparseEcho| LineList) - (setq $preparse-last-line nil) ;don't reread this line + (setq |$preparseLastLine| nil) ;don't reread this line (SETQ LINE a) (CATCH 'SPAD_READER (|doSystemCommand| (subseq LINE 1))) (GO READLOOP))) @@ -168,7 +151,7 @@ (IF (AND NCOMBLOCK (NOT (ZEROP (CAR NCOMBLOCK)))) (|findCommentBlock| NUM NUMS LOCS NCOMBLOCK linelist)) (IF (NOT (|ioTerminal?| in-stream)) - (setq $preparse-last-line + (setq |$preparseLastLine| (|reverse!| |$EchoLineStack|))) (RETURN (|pairList| (|reverse!| NUMS) (PARSEPILES (|reverse!| LOCS) (|reverse!| LINES))))) @@ -182,7 +165,7 @@ (PUSH NUM NUMS) (setq PARENLEV (+ PARENLEV PCOUNT)) (when (and (|ioTerminal?| in-stream) (not continue)) - (setq $preparse-last-line nil) + (setq |$preparseLastLine| nil) (RETURN (|pairList| (|reverse!| NUMS) (PARSEPILES (|reverse!| LOCS) (|reverse!| LINES))))) @@ -199,7 +182,7 @@ (SETQ LINE (if $LINELIST (pop $LINELIST) (expand-tabs (|readLine| in-stream)))) - (setq $preparse-last-line LINE) + (setq |$preparseLastLine| LINE) (and (stringp line) (incf $INDEX)) (COND ( (NOT (STRINGP LINE)) @@ -212,7 +195,7 @@ $INDEX (COND ( (AND (> (SETQ IND (|maxIndex| LINE)) -1) (char= (ELT LINE IND) #\_)) - (setq $preparse-last-line + (setq |$preparseLastLine| (STRCONC (SUBSTRING LINE 0 IND) (CDR (|preparseReadLine1| X))) )) ( 'T LINE ) ))) ) ) diff --git a/src/interp/spad-parser.boot b/src/interp/spad-parser.boot index 41297bfc..e9e6b6b5 100644 --- a/src/interp/spad-parser.boot +++ b/src/interp/spad-parser.boot @@ -145,6 +145,26 @@ preparseEcho lines == formatToStream(OUT_-STREAM,'"~&;~A~%",x) $EchoLineStack := nil +preparse st == + $COMBLOCKLIST := nil + $SKIPME := false + stack := + $preparseLastLine => + $preparseLastLine is [.,:.] => $preparseLastLine + [$preparseLastLine] + nil + $INDEX := $INDEX - #stack + u := preparse1 stack + $SKIPME => preparse st + if $preparseReportIfTrue then + PARSEPRINT u + $headerDocumentation := nil + $docList := nil + $maxSignatureLineNumber := 0 + $constructorLineNumber := IFCAR IFCAR u + u + + --% macro compulsorySyntax s == s or SPAD__SYNTAX__ERROR() @@ -887,7 +907,7 @@ parseSpadFile sourceFile == -- gather parse trees for all toplevel expressions in sourceFile. asts := [] while not eof? IN_-STREAM repeat - $lineStack: local := PREPARSE IN_-STREAM + $lineStack: local := preparse IN_-STREAM $lineStack = nil => leave nil -- explicit end of input LINE: local := CDAR $lineStack CATCH('SPAD__READER,parseNewExpr()) diff --git a/src/interp/spad.lisp b/src/interp/spad.lisp index 5aec187c..aa1971a1 100644 --- a/src/interp/spad.lisp +++ b/src/interp/spad.lisp @@ -121,7 +121,7 @@ (if (|eof?| in-stream) (return nil)) (catch 'SPAD_READER (progn - (setq |$lineStack| (PREPARSE in-stream)) + (setq |$lineStack| (|preparse| in-stream)) (when (null |$lineStack|) (return nil)) (when |$lineStack| |