cerc-io/solidity
16
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Show unimplemented function if trying to instantiate an abstract class

Browse Source
This commit is contained in:
Alex Beregszaszi 2017-08-02 11:26:43 +01:00
parent c835bcec62
commit 494dea262e
4 changed files with 25 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Changelog.md
View File

@ -1,6 +1,7 @@
### 0.4.15 (unreleased)
Features:
* Type Checker: Show unimplemented function if trying to instantiate an abstract class.
Bugfixes:
* Code Generator: ``.delegatecall()`` should always return execution outcome.

9
libsolidity/analysis/TypeChecker.cpp
View File

@ -1523,7 +1523,14 @@ void TypeChecker::endVisit(NewExpression const& _newExpression)
if (!contract)
m_errorReporter.fatalTypeError(_newExpression.location(), "Identifier is not a contract.");
if (!contract->annotation().unimplementedFunctions.empty())
m_errorReporter.typeError(_newExpression.location(), "Trying to create an instance of an abstract contract.");
m_errorReporter.typeError(
_newExpression.location(),
SecondarySourceLocation().append(
"Missing implementation:",
contract->annotation().unimplementedFunctions.front()->location()
),
"Trying to create an instance of an abstract contract."
);
if (!contract->constructorIsPublic())
m_errorReporter.typeError(_newExpression.location(), "Contract with internal constructor cannot be created directly.");

10
libsolidity/interface/ErrorReporter.cpp
View File

@ -151,6 +151,16 @@ void ErrorReporter::syntaxError(SourceLocation const& _location, string const& _
);
}
void ErrorReporter::typeError(SourceLocation const& _location, SecondarySourceLocation const& _secondaryLocation, string const& _description)
{
error(
Error::Type::TypeError,
_location,
_secondaryLocation,
_description
);
}
void ErrorReporter::typeError(SourceLocation const& _location, string const& _description)
{
error(

6
libsolidity/interface/ErrorReporter.h
View File

@ -73,6 +73,12 @@ public:
void syntaxError(SourceLocation const& _location, std::string const& _description);
void typeError(
SourceLocation const& _location,
SecondarySourceLocation const& _secondaryLocation,
std::string const& _description
);
void typeError(SourceLocation const& _location, std::string const& _description);
void fatalTypeError(SourceLocation const& _location, std::string const& _description);