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Provide nicer error message when referencing overloaded references

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This commit is contained in:
Alex Beregszaszi 2018-08-08 15:55:41 +01:00
parent 863778fe36
commit 3c791d637d
3 changed files with 15 additions and 0 deletions
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1
Changelog.md
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@ -73,6 +73,7 @@ Language Features:
Compiler Features:
* C API (``libsolc``): Export the ``solidity_license``, ``solidity_version`` and ``solidity_compile`` methods.
* Type Checker: Nicer error message when trying to reference overloaded identifiers in inline assembly.
* Type Checker: Show named argument in case of error.
* Tests: Determine transaction status during IPC calls.
* Code Generator: Allocate and free local variables according to their scope.

3
libsolidity/analysis/ReferencesResolver.cpp
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@ -264,7 +264,10 @@ bool ReferencesResolver::visit(InlineAssembly const& _inlineAssembly)
declarations = m_resolver.nameFromCurrentScope(realName);
}
if (declarations.size() != 1)
{
declarationError(_identifier.location, "Multiple matching identifiers. Resolving overloaded identifiers is not supported.");
return size_t(-1);
}
if (auto var = dynamic_cast<VariableDeclaration const*>(declarations.front()))
if (var->isLocalVariable() && _crossesFunctionBoundary)
{

11
test/libsolidity/syntaxTests/inlineAssembly/overloaded_reference.sol Normal file
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@ -0,0 +1,11 @@
contract C {
function f() pure public {}
function f(address) pure public {}
function g() pure public {
assembly {
let x := f
}
}
}
// ----
// DeclarationError: (155-156): Multiple matching identifiers. Resolving overloaded identifiers is not supported.