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analysis: changes necessary to compile std/StandardToken.sol

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This commit is contained in:
Yoichi Hirai
2017-01-11 18:28:11 +01:00
parent 42b6726173
commit 91d4e8e0ba
3 changed files with 58 additions and 12 deletions
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libsolidity/analysis/TypeChecker.cpp
+17 -2
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@@ -1500,8 +1500,23 @@ bool TypeChecker::visit(Identifier const& _identifier)
if (!annotation.referencedDeclaration)
{
if (!annotation.argumentTypes)
fatalTypeError(_identifier.location(), "Unable to determine overloaded type.");
if (annotation.overloadedDeclarations.empty())
{
// The identifier should be a public state variable shadowing other functions
vector<Declaration const*> candidates;
for (Declaration const* declaration: annotation.overloadedDeclarations)
{
if (VariableDeclaration const* variableDeclaration = dynamic_cast<decltype(variableDeclaration)>(declaration))
candidates.push_back(declaration);
}
if (candidates.empty())
fatalTypeError(_identifier.location(), "No matching declaration found after variable lookup.");
else if (candidates.size() == 1)
annotation.referencedDeclaration = candidates.front();
else
fatalTypeError(_identifier.location(), "No unique declaration found after variable lookup.");
}
else if (annotation.overloadedDeclarations.empty())
fatalTypeError(_identifier.location(), "No candidates for overload resolution found.");
else if (annotation.overloadedDeclarations.size() == 1)
annotation.referencedDeclaration = *annotation.overloadedDeclarations.begin();