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Replace some fatal errors when resolving references with normal ones

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This commit is contained in:
Federico Bond 2017-10-26 11:02:36 -03:00
parent eba46a65fc
commit 600e66e605
3 changed files with 22 additions and 14 deletions
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1
Changelog.md
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@ -2,6 +2,7 @@
Features:
* Commandline interface: Support strict mode of assembly with the ``--strict--assembly`` switch.
* Compiler now continues resolving references after the first error.
* Limit the number of warnings raised for creating abstract contracts.
* Inline Assembly: Issue warning for using jump labels (already existed for jump instructions).
* Inline Assembly: Support some restricted tokens (return, byte, address) as identifiers in Julia mode.

33
libsolidity/analysis/ReferencesResolver.cpp
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@ -47,7 +47,7 @@ bool ReferencesResolver::visit(Identifier const& _identifier)
{
auto declarations = m_resolver.nameFromCurrentScope(_identifier.name());
if (declarations.empty())
fatalDeclarationError(_identifier.location(), "Undeclared identifier.");
declarationError(_identifier.location(), "Undeclared identifier.");
else if (declarations.size() == 1)
_identifier.annotation().referencedDeclaration = declarations.front();
else
@ -90,7 +90,10 @@ void ReferencesResolver::endVisit(UserDefinedTypeName const& _typeName)
{
Declaration const* declaration = m_resolver.pathFromCurrentScope(_typeName.namePath());
if (!declaration)
fatalDeclarationError(_typeName.location(), "Identifier not found or not unique.");
{
declarationError(_typeName.location(), "Identifier not found or not unique.");
return;
}
_typeName.annotation().referencedDeclaration = declaration;
@ -101,7 +104,7 @@ void ReferencesResolver::endVisit(UserDefinedTypeName const& _typeName)
else if (ContractDefinition const* contract = dynamic_cast<ContractDefinition const*>(declaration))
_typeName.annotation().type = make_shared<ContractType>(*contract);
else
fatalTypeError(_typeName.location(), "Name has to refer to a struct, enum or contract.");
typeError(_typeName.location(), "Name has to refer to a struct, enum or contract.");
}
void ReferencesResolver::endVisit(FunctionTypeName const& _typeName)
@ -112,17 +115,25 @@ void ReferencesResolver::endVisit(FunctionTypeName const& _typeName)
case VariableDeclaration::Visibility::External:
break;
default:
fatalTypeError(_typeName.location(), "Invalid visibility, can only be \"external\" or \"internal\".");
typeError(_typeName.location(), "Invalid visibility, can only be \"external\" or \"internal\".");
return;
}
if (_typeName.isPayable() && _typeName.visibility() != VariableDeclaration::Visibility::External)
fatalTypeError(_typeName.location(), "Only external function types can be payable.");
{
typeError(_typeName.location(), "Only external function types can be payable.");
return;
}
if (_typeName.visibility() == VariableDeclaration::Visibility::External)
for (auto const& t: _typeName.parameterTypes() + _typeName.returnParameterTypes())
{
solAssert(t->annotation().type, "Type not set for parameter.");
if (!t->annotation().type->canBeUsedExternally(false))
fatalTypeError(t->location(), "Internal type cannot be used for external function type.");
{
typeError(t->location(), "Internal type cannot be used for external function type.");
return;
}
}
_typeName.annotation().type = make_shared<FunctionType>(_typeName);
@ -322,17 +333,13 @@ void ReferencesResolver::endVisit(VariableDeclaration const& _variable)
type = ref->copyForLocation(typeLoc, isPointer);
}
else if (varLoc != Location::Default && !ref)
fatalTypeError(_variable.location(), "Storage location can only be given for array or struct types.");
if (!type)
fatalTypeError(_variable.location(), "Invalid type name.");
typeError(_variable.location(), "Storage location can only be given for array or struct types.");
_variable.annotation().type = type;
}
else if (!_variable.canHaveAutoType())
fatalTypeError(_variable.location(), "Explicit type needed.");
typeError(_variable.location(), "Explicit type needed.");
// otherwise we have a "var"-declaration whose type is resolved by the first assignment
_variable.annotation().type = type;
}
void ReferencesResolver::typeError(SourceLocation const& _location, string const& _description)

2
test/libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -4050,7 +4050,7 @@ BOOST_AUTO_TEST_CASE(varM_disqualified_as_keyword)
}
}
)";
CHECK_ERROR(text, DeclarationError, "Identifier not found or not unique.");
CHECK_ERROR_ALLOW_MULTI(text, DeclarationError, "Identifier not found or not unique.");
}
BOOST_AUTO_TEST_CASE(modifier_is_not_a_valid_typename)