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add concat recognizer

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-06-13 20:51:55 -07:00
parent b978f78c21
commit c980cfd783
1 changed files with 9 additions and 0 deletions
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9
src/api/java/Expr.java
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@ -1297,6 +1297,15 @@ public class Expr extends AST
return Native.getString(getContext().nCtx(), getNativeObject());
}
/**
* Check whether expression is a concatenation
* @return a boolean
*/
public boolean isConcat()
{
return isApp() && getFuncDecl().getDeclKind() == Z3_decl_kind.Z3_OP_SEQ_CONCAT;
}
/**
* Indicates whether the term is a binary equivalence modulo namings.
* Remarks: This binary predicate is used in proof terms. It captures