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[SMTChecker] Move global variables and functions to encoding context

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This commit is contained in:
Leonardo Alt
2019-05-16 18:11:31 +02:00
parent 54ce3df321
commit 5493a41842
4 changed files with 51 additions and 37 deletions
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libsolidity/formal/EncodingContext.cpp
+23
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@@ -38,6 +38,7 @@ void EncodingContext::reset()
{
resetAllVariables();
m_expressions.clear();
m_globalContext.clear();
m_thisAddress->increaseIndex();
m_balances->increaseIndex();
}
@@ -153,6 +154,28 @@ bool EncodingContext::knownExpression(solidity::Expression const& _e) const
return m_expressions.count(&_e);
}
/// Global variables and functions.
shared_ptr<SymbolicVariable> EncodingContext::globalSymbol(string const& _name)
{
solAssert(knownGlobalSymbol(_name), "");
return m_globalContext.at(_name);
}
bool EncodingContext::createGlobalSymbol(string const& _name, solidity::Expression const& _expr)
{
solAssert(!knownGlobalSymbol(_name), "");
auto result = newSymbolicVariable(*_expr.annotation().type, _name, m_solver);
m_globalContext.emplace(_name, result.second);
setUnknownValue(*result.second);
return result.first;
}
bool EncodingContext::knownGlobalSymbol(string const& _var) const
{
return m_globalContext.count(_var);
}
// Blockchain
Expression EncodingContext::thisAddress()