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-rw-r--r--libsolidity/formal/SymbolicVariable.h12
1 files changed, 4 insertions, 8 deletions
diff --git a/libsolidity/formal/SymbolicVariable.h b/libsolidity/formal/SymbolicVariable.h
index 93258250..e4e4ea8d 100644
--- a/libsolidity/formal/SymbolicVariable.h
+++ b/libsolidity/formal/SymbolicVariable.h
@@ -37,7 +37,7 @@ class SymbolicVariable
{
public:
SymbolicVariable(
- Declaration const* _decl,
+ Declaration const& _decl,
smt::SolverInterface& _interface
);
@@ -46,7 +46,7 @@ public:
return valueAtSequence(_seq);
}
- std::string uniqueSymbol() const;
+ std::string uniqueSymbol(int _seq) const;
/// Sets the var to the default value of its type.
virtual void setZeroValue(int _seq) = 0;
@@ -55,13 +55,9 @@ public:
virtual void setUnknownValue(int _seq) = 0;
protected:
- smt::Expression valueAtSequence(int _seq) const
- {
- return (*m_expression)(_seq);
- }
+ virtual smt::Expression valueAtSequence(int _seq) const = 0;
- Declaration const* m_declaration;
- std::shared_ptr<smt::Expression> m_expression = nullptr;
+ Declaration const& m_declaration;
smt::SolverInterface& m_interface;
};