diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ChangeLog | 5 | ||||
| -rw-r--r-- | src/interp/g-opt.boot | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index dd5588ec..e8ae62d8 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,3 +1,8 @@ +2011-02-22 Gabriel Dos Reis <gdr@cs.tamu.edu> + + * interp/g-opt.boot (optCond): Recognize conjunctive guard as + nested conditionals. + 2011-02-20 Gabriel Dos Reis <gdr@cs.tamu.edu> * interp/parse.boot (transSeq): Aggregate branches of toplevel diff --git a/src/interp/g-opt.boot b/src/interp/g-opt.boot index 2286be5b..cb4788a1 100644 --- a/src/interp/g-opt.boot +++ b/src/interp/g-opt.boot @@ -305,6 +305,7 @@ optCond (x is ['%when,:l]) == x.rest := l c1 is ['NIL] and p2 = '%otherwise and first c2 = '%otherwise => return optNot ['%not,p1] + l is [[p1,['%when,[p2,c2]]]] => optCond ['%when,[['%and,p1,p2],c2]] l is [[p1,:c1],[p2,:c2],[p3,:c3]] and p3 = '%otherwise => EqualBarGensym(c1,c3) => optCond ['%when,[['%or,p1,['%not,p2]],:c1],['%otherwise,:c2]] |