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| author | chriseth <chris@ethereum.org> | 2018-12-03 22:48:03 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-03 22:48:03 +0800 |
| commit | c8a2cb62832afb2dc09ccee6fd42c1516dfdb981 (patch) | |
| tree | 7977e9dcbbc215088c05b847f849871ef5d4ae66 /libsolidity/formal/SymbolicVariables.cpp | |
| parent | 1d4f565a64988a3400847d2655ca24f73f234bc6 (diff) | |
| parent | 590be1d84cea9850ce69b68be3dc5294b39041e5 (diff) | |
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Merge pull request #5571 from ethereum/develop
Version 0.5.1
Diffstat (limited to 'libsolidity/formal/SymbolicVariables.cpp')
| -rw-r--r-- | libsolidity/formal/SymbolicVariables.cpp | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/libsolidity/formal/SymbolicVariables.cpp b/libsolidity/formal/SymbolicVariables.cpp index 85818ba0..efaeb97a 100644 --- a/libsolidity/formal/SymbolicVariables.cpp +++ b/libsolidity/formal/SymbolicVariables.cpp @@ -37,6 +37,11 @@ SymbolicVariable::SymbolicVariable( { } +string SymbolicVariable::currentName() const +{ + return uniqueSymbol(m_ssa->index()); +} + string SymbolicVariable::uniqueSymbol(unsigned _index) const { return m_uniqueName + "_" + to_string(_index); @@ -54,16 +59,7 @@ SymbolicBoolVariable::SymbolicBoolVariable( smt::Expression SymbolicBoolVariable::valueAtIndex(int _index) const { - return m_interface.newBool(uniqueSymbol(_index)); -} - -void SymbolicBoolVariable::setZeroValue() -{ - m_interface.addAssertion(currentValue() == smt::Expression(false)); -} - -void SymbolicBoolVariable::setUnknownValue() -{ + return m_interface.newVariable(uniqueSymbol(_index), make_shared<smt::Sort>(smt::Kind::Bool)); } SymbolicIntVariable::SymbolicIntVariable( @@ -78,20 +74,7 @@ SymbolicIntVariable::SymbolicIntVariable( smt::Expression SymbolicIntVariable::valueAtIndex(int _index) const { - return m_interface.newInteger(uniqueSymbol(_index)); -} - -void SymbolicIntVariable::setZeroValue() -{ - m_interface.addAssertion(currentValue() == 0); -} - -void SymbolicIntVariable::setUnknownValue() -{ - auto intType = dynamic_cast<IntegerType const*>(m_type.get()); - solAssert(intType, ""); - m_interface.addAssertion(currentValue() >= minValue(*intType)); - m_interface.addAssertion(currentValue() <= maxValue(*intType)); + return m_interface.newVariable(uniqueSymbol(_index), make_shared<smt::Sort>(smt::Kind::Int)); } SymbolicAddressVariable::SymbolicAddressVariable( |