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| author | dos-reis <gdr@axiomatics.org> | 2012-06-07 04:02:54 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2012-06-07 04:02:54 +0000 |
| commit | d03a3c6cb297be5f5b7726c2f346075d41faad1d (patch) | |
| tree | ced95206d3aa122ce08b03c870f584c8be66be69 /src/interp/lexing.boot | |
| parent | a4b48cade8c5a9ae034cfd1cfcd21739bcab7ce5 (diff) | |
| download | open-axiom-d03a3c6cb297be5f5b7726c2f346075d41faad1d.tar.gz | |
* interp/lexing.boot: Move %Line to io.boot.
* interp/debug.lisp (SPAD_LONG_ERROR): Take a reader parameter. Tidy.
Diffstat (limited to 'src/interp/lexing.boot')
| -rw-r--r-- | src/interp/lexing.boot | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/src/interp/lexing.boot b/src/interp/lexing.boot index a5d71f15..d5917620 100644 --- a/src/interp/lexing.boot +++ b/src/interp/lexing.boot @@ -42,60 +42,6 @@ namespace BOOT module lexing ---% ---% Line abstract datatype ---% -structure %Line == - Record(buf: %String, cchar: %Char, cidx: %Short, - lidx: %Short, no: %Short) with - lineBuffer == (.buf) -- input string buffer - lineCurrentChar == (.cchar) -- current character - lineCurrentIndex == (.cidx) -- current index - lineLastIndex == (.lidx) -- last valid index - lineNumber == (.no) -- line number - - -makeLine(buf == makeString 0, ch == charByName "Return", - curIdx == 1, lstIdx == 0, no == 0) == - mk%Line(buf,ch,curIdx,lstIdx,no) - -lineClear! l == - lineBuffer(l) := makeString 0 - lineCurrentChar(l) := charByName "Return" - lineCurrentIndex(l) := 1 - lineLastIndex(l) := 0 - lineNumber(l) := 0 - -++ Sets string to be the next line stored in line -lineNewLine!(s,l,no == nil) == - sz := #s - lineLastIndex(l) := sz - 1 - lineCurrentIndex(l) := 0 - lineCurrentChar(l) := sz > 0 and s.0 or charByName '"Return" - lineBuffer(l) := s - lineNumber(l) := no or (lineNumber l + 1) - -++ Tests if line is empty or positioned past the last character -lineAtEnd? l == - lineCurrentIndex l >= lineLastIndex l - -++ Tests if line is empty or positioned past the last character -linePastEnd? l == - lineCurrentIndex l > lineLastIndex l - -++ Buffer from current index to last index -lineCurrentSegment l == - lineAtEnd? l => makeString 0 - subSequence(lineBuffer l,lineCurrentIndex l,lineLastIndex l) - -lineNextChar l == - lineBuffer(l).(1 + lineCurrentIndex l) - -lineAdvanceChar! l == - n := lineCurrentIndex l + 1 - lineCurrentIndex(l) := n - lineCurrentChar(l) := lineBuffer(l).n - ++ List of lines returned from preparse $lineStack := nil |