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Correct the warning for homonymous, but not shadowing declarations

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This commit is contained in:
a3d4 2020-08-30 20:37:43 +02:00
parent 4d470cd285
commit 4ca7655b74
4 changed files with 27 additions and 5 deletions
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1
Changelog.md
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@ -14,6 +14,7 @@ Compiler Features:
Bugfixes:
* Type Checker: Disallow ``virtual`` for modifiers in libraries.
* Type Checker: Correct the warning for homonymous, but not shadowing declarations.
* ViewPureChecker: Prevent visibility check on constructors.
* Type system: Fix internal error on implicit conversion of contract instance to the type of its ``super``.
* Type system: Fix named parameters in overloaded function and event calls being matched incorrectly if the order differs from the declaration.

19
libsolidity/analysis/NameAndTypeResolver.cpp
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@ -503,11 +503,20 @@ bool DeclarationRegistrationHelper::registerDeclaration(
else
{
auto shadowedLocation = shadowedDeclaration->location();
_errorReporter.warning(
2519_error,
_declaration.location(),
"This declaration shadows an existing declaration.",
SecondarySourceLocation().append("The shadowed declaration is here:", shadowedLocation)
if (!shadowedDeclaration->isVisibleInContract())
_errorReporter.warning(
8760_error,
_declaration.location(),
"This declaration has the same name as another declaration.",
SecondarySourceLocation().append("The other declaration is here:", shadowedLocation)
);
else
_errorReporter.warning(
2519_error,
_declaration.location(),
"This declaration shadows an existing declaration.",
SecondarySourceLocation().append("The shadowed declaration is here:", shadowedLocation)
);
}
}

6
test/libsolidity/syntaxTests/scoping/name_pseudo_shadowing.sol Normal file
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@ -0,0 +1,6 @@
contract test {
function e() external { }
function f() public pure { uint e; e = 0; }
}
// ----
// Warning 8760: (77-83): This declaration has the same name as another declaration.

6
test/libsolidity/syntaxTests/scoping/name_shadowing2.sol Normal file
View File

@ -0,0 +1,6 @@
function e() {}
contract test {
function f() pure public { uint e; e = 0; }
}
// ----
// Warning 2519: (63-69): This declaration shadows an existing declaration.