shithub: femtolisp

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fixing bug in for where lambda body was self-evaluating

--- a/femtolisp/flisp.c

+++ b/femtolisp/flisp.c

@@ -1163,7 +1163,8 @@

                 f = Stack[SP-5];

                 Stack[SP-3] = car_(f);     // lambda list

                 Stack[SP-2] = fixnum(s);   // argument value

-                v = eval_sexpr(car_(cdr_(f)), SP-3, 0);

+                v = car_(cdr_(f));

+                if (!selfevaluating(v)) v = eval_sexpr(v, SP-3, 0);

             }

             break;

         case F_SPECIAL_APPLY:

--- a/femtolisp/unittest.lsp

+++ b/femtolisp/unittest.lsp

@@ -66,6 +66,8 @@

 (assert (equal (string 'sym #char(65) #wchar(945) "blah") "symA\u03B1blah"))

+; this crashed once

+(for 1 10 (lambda (i) 0))

 ; ok, a couple end-to-end tests as well

 (define (fib n) (if (< n 2) n (+ (fib (- n 1)) (fib (- n 2)))))