src/HOL/IMP/Com.thy
author blanchet
Wed, 18 Jul 2012 08:44:03 +0200
changeset 48302 6cf5e58f1185
parent 47818 151d137f1095
child 52046 bc01725d7918
permissions -rw-r--r--
more implementation work on MaSh
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header "IMP --- A Simple Imperative Language"
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theory Com imports BExp begin
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datatype
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  com = SKIP 
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      | Assign vname aexp       ("_ ::= _" [1000, 61] 61)
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      | Seq    com  com         ("_;/ _"  [60, 61] 60)
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      | If     bexp com com     ("(IF _/ THEN _/ ELSE _)"  [0, 0, 61] 61)
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      | While  bexp com         ("(WHILE _/ DO _)"  [0, 61] 61)
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end