RE: IMPORTANT: There're typos in parser.mly!

From: Rui Shi (shearer@cs.bu.edu)
Date: Mon Oct 09 2006 - 01:00:27 EDT 

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From: "Rui Shi" <shearer@cs.bu.edu>
To: <michel@cs.bu.edu>
Cc: <cs520@cs.bu.edu>
Subject: RE: IMPORTANT: There're typos in parser.mly!
Date: Mon, 9 Oct 2006 01:00:27 -0400
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Yes! Thank you for pointing this.

Please change the file as follows.

Rui

-----Original Message-----
From: michel@cs.bu.edu [mailto:michel@cs.bu.edu]
Sent: Monday, October 09, 2006 12:04 AM
To: cs520 Course Account
Subject: IMPORTANT: There're typos in parser.mly!
Importance: High

Hi Everybody,

  There're typos in parser.mly! One must fix them to be able to run
correctly his or her evaluator when the input has one of the following
operators: >, >=, <, <=.

  A diff is shown below.

(michel) prog2 % diff -u orig-parser.mly parser.mly
--- orig-parser.mly 2006-10-08 23:32:23.510916000 -0400
+++ parser.mly 2006-10-08 23:32:52.086812000 -0400
@@ -125,10 +125,10 @@
   | term MOD term { TtmOp ("mod", [$1; $3]) }
   | term EQ term { TtmOp ("=", [$1; $3]) }
   | term NEQ term { TtmOp ("<>", [$1; $3]) }
- | term LT term { TtmOp (">", [$1; $3]) }
- | term LTEQ term { TtmOp (">=", [$1; $3]) }
- | term GT term { TtmOp ("<", [$1; $3]) }
- | term GTEQ term { TtmOp ("<=", [$1; $3]) }
+ | term LT term { TtmOp ("<", [$1; $3]) }
+ | term LTEQ term { TtmOp ("<=", [$1; $3]) }
+ | term GT term { TtmOp (">", [$1; $3]) }
+ | term GTEQ term { TtmOp (">=", [$1; $3]) }
   | TILDE term { TtmOp ("~", [$2]) }
   | PRINT term { TtmOp ("print", [$2]) }

  I hope it helps you guys.

[ ]'s
Michel Machado

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