diff options
Diffstat (limited to 'src/interp/io.boot')
| -rw-r--r-- | src/interp/io.boot | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/interp/io.boot b/src/interp/io.boot index c9fdb800..1e94a4be 100644 --- a/src/interp/io.boot +++ b/src/interp/io.boot @@ -55,6 +55,9 @@ macro tabChar? c == blankChar? c == spaceChar? c or tabChar? c +carriageRetChar? c == + c = abstractChar 13 + --% --% String manipulation routines. @@ -76,3 +79,16 @@ trimTrailingBlank line == n := n - 1 n = sz => line subString(line,0,n) + +trimCarriageReturn line == + carriageRetChar? line.maxIndex(line) => + subString(line,0,maxIndex line) + line + +expandLeadingTabs line == + not string? line or #line = 0 => line + line := trimCarriageReturn line + nbLoc := firstNonblankCharPosition line + indLoc := indentationLocation line + nbLoc = indLoc => line + strconc(makeString(indLoc,char " "), subString(line,nbLoc)) |