author | kleing |
Mon, 25 Sep 2000 12:08:49 +0200 | |
changeset 10069 | c7226e6f9625 |
parent 10061 | fe82134773dc |
child 10119 | 20c9590bb5f5 |
permissions | -rw-r--r-- |
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(* Title: HOL/MicroJava/J/Term.thy |
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ID: $Id$ |
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Author: David von Oheimb |
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Copyright 1999 Technische Universitaet Muenchen |
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Java expressions and statements |
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*) |
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re-structuring MicroJava; added Example; corrected := syntax; simplfied cast
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Term = Value + |
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datatype binop = Eq | Add (* function codes for binary operation *) |
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datatype expr |
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= NewC cname (* class instance creation *) |
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| Cast cname expr (* type cast *) |
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| Lit val (* literal value, also references *) |
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| BinOp binop expr expr (* binary operation *) |
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| LAcc vname (* local (incl. parameter) access *) |
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| LAss vname expr (* local assign *) ("_::=_" [ 90,90]90) |
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| FAcc cname expr vname (* field access *) ("{_}_.._" [10,90,99 ]90) |
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| FAss cname expr vname |
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expr (* field ass. *) ("{_}_.._:=_" [10,90,99,90]90) |
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| Call expr mname |
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(ty list) (expr list) (* method call*) ("_.._'({_}_')" [90,99,10,10] 90) |
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and stmt |
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= Skip (* empty statement *) |
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| Expr expr (* expression statement *) |
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| Comp stmt stmt ("_;; _" [61,60]60) |
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| Cond expr stmt stmt ("If '(_') _ Else _" [80,79,79]70) |
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| Loop expr stmt ("While '(_') _" [80,79]70) |
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end |