Move FakePointerExpression out of ACSL AST & refactor pointer backtranslation #708
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…nslation - Add a common supertype BacktranslatedACSLValue for BacktranslatedExpression and a new FakePointer record (which replaces FakePointerExpression). BacktranslatedACSLValue replaces BacktranslatedExpression in the public interface of ACSL backtranslation. - Make BacktranslatedExpression a record. - CACSL2BoogieBacktranslator: refactor extraction and backtranslation of pointer structs. Handle pointer names (now represented by a record PointerVariable) and pointer values separately.
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Following up on this discussion on #707:
BacktranslatedACSLValueforBacktranslatedExpressionand a newFakePointerrecord (which replacesFakePointerExpression). The new supertypeBacktranslatedACSLValuereplacesBacktranslatedExpressionin the public interface of ACSL backtranslation.BacktranslatedExpressiona record.CACSL2BoogieBacktranslator: refactor extraction and backtranslation of pointer structs. Handle pointer names (now represented by a (private) recordPointerVariable) and pointer values separately.