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Merge pull request #10506 from ethereum/superInLibs

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Make super unavailable in libraries.
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chriseth 2020-12-07 14:36:42 +01:00 committed by GitHub
commit 254119d146
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4 changed files with 17 additions and 1 deletions
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1
Changelog.md
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@ -17,6 +17,7 @@ Bugfixes:
* SMTChecker: Fix internal compiler error when doing bitwise compound assignment with string literals.
* SMTChecker: Fix internal error when trying to generate counterexamples with old z3.
* SMTChecker: Fix segmentation fault that could occur on certain SMT-enabled sources when no SMT solver was available.
* Type Checker: ``super`` is not available in libraries.
* Yul Optimizer: Fix a bug in NameSimplifier where a new name created by NameSimplifier could also be created by NameDispenser.
* Yul Optimizer: Removed NameSimplifier from optimization steps available to users.

3
libsolidity/analysis/NameAndTypeResolver.cpp
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@ -285,7 +285,8 @@ bool NameAndTypeResolver::resolveNamesAndTypesInternal(ASTNode& _node, bool _res
solAssert(_resolveInsideCode, "");
m_globalContext.setCurrentContract(*contract);
updateDeclaration(*m_globalContext.currentSuper());
if (!contract->isLibrary())
updateDeclaration(*m_globalContext.currentSuper());
updateDeclaration(*m_globalContext.currentThis());
for (ASTPointer<InheritanceSpecifier> const& baseContract: contract->baseContracts())

7
test/libsolidity/syntaxTests/super/super_in_function.sol Normal file
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@ -0,0 +1,7 @@
contract C {
}
function f() pure {
super;
}
// ----
// DeclarationError 7576: (39-44): Undeclared identifier. "super" is not (or not yet) visible at this point.

7
test/libsolidity/syntaxTests/super/super_in_library.sol Normal file
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@ -0,0 +1,7 @@
library L {
function f() public {
(super);
}
}
// ----
// DeclarationError 7576: (41-46): Undeclared identifier. "super" is not (or not yet) visible at this point.