Support for adding custom commands to an individual breakpoint

[ghc-hetmet.git] / compiler / cmm / CmmLex.x

diff --git a/compiler/cmm/CmmLex.x b/compiler/cmm/CmmLex.x
index ee05122..6ae5200 100644 (file)
--- a/compiler/cmm/CmmLex.x
+++ b/compiler/cmm/CmmLex.x
@@ -46,7 +46,7 @@ $unismall  = \x04 -- Trick Alex into handling Unicode. See alexGetChar.
 $ascsmall  = [a-z \xdf-\xf6 \xf8-\xff]
 $small     = [$ascsmall $unismall \_]
 
-$namebegin = [$large $small \_ \. \$ \@]
+$namebegin = [$large $small \. \$ \@]
 $namechar  = [$namebegin $digit]
 
 @decimal     = $digit+
@@ -56,7 +56,7 @@ $namechar  = [$namebegin $digit]
 
 @floating_point = @decimal \. @decimal @exponent? | @decimal @exponent
 
-@escape      = \\ ([abfnrt\\\'\"\?] | x @hexadecimal | @octal)
+@escape      = \\ ([abfnrt\\\'\"\?] | x $hexit{1,2} | $octit{1,3})
 @strchar     = ($printable # [\"\\]) | @escape
 
 cmm :-