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[libsolidity] TryStatement: Adding AST accessors for success/structured/fail clauses.

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This commit is contained in:
Christian Parpart 2020-03-16 11:47:39 +01:00 committed by chriseth
parent 79a44b8170
commit 3b83365b42
2 changed files with 26 additions and 0 deletions
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22
libsolidity/ast/AST.cpp
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@ -756,3 +756,25 @@ string Literal::getChecksummedAddress() const
address.insert(address.begin(), 40 - address.size(), '0');
return util::getChecksummedAddress(address);
}
TryCatchClause const* TryStatement::successClause() const
{
solAssert(m_clauses.size() > 0, "");
return m_clauses[0].get();
}
TryCatchClause const* TryStatement::structuredClause() const
{
for (size_t i = 1; i < m_clauses.size(); ++i)
if (m_clauses[i]->errorName() == "Error")
return m_clauses[i].get();
return nullptr;
}
TryCatchClause const* TryStatement::fallbackClause() const
{
for (size_t i = 1; i < m_clauses.size(); ++i)
if (m_clauses[i]->errorName().empty())
return m_clauses[i].get();
return nullptr;
}

4
libsolidity/ast/AST.h
View File

@ -1451,6 +1451,10 @@ public:
Expression const& externalCall() const { return *m_externalCall; }
std::vector<ASTPointer<TryCatchClause>> const& clauses() const { return m_clauses; }
TryCatchClause const* successClause() const;
TryCatchClause const* structuredClause() const;
TryCatchClause const* fallbackClause() const;
private:
ASTPointer<Expression> m_externalCall;
std::vector<ASTPointer<TryCatchClause>> m_clauses;