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authorDaniel Kirchner <daniel@ekpyron.org>2018-03-01 23:58:20 +0800
committerDaniel Kirchner <daniel@ekpyron.org>2018-03-01 23:58:55 +0800
commitbd4c2b9bde02b94d367ad9af6e44b9434bb1bb93 (patch)
treed5e7c0cf5e6e016f6c0ab391d6cda49a2150978a /libsolidity/analysis
parent9e3da89a7a0753e869b4668f9587385c9b37ba8d (diff)
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Deprecate using unit denominations in combination with hex numbers. Closes #3574.
Diffstat (limited to 'libsolidity/analysis')
-rw-r--r--libsolidity/analysis/TypeChecker.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 2914472a..4ff0fb8f 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -2021,6 +2021,8 @@ void TypeChecker::endVisit(ElementaryTypeNameExpression const& _expr)
void TypeChecker::endVisit(Literal const& _literal)
{
+ bool const v050 = m_scope->sourceUnit().annotation().experimentalFeatures.count(ExperimentalFeature::V050);
+
if (_literal.looksLikeAddress())
{
if (_literal.passesAddressChecksum())
@@ -2034,6 +2036,19 @@ void TypeChecker::endVisit(Literal const& _literal)
"For more information please see https://solidity.readthedocs.io/en/develop/types.html#address-literals"
);
}
+ if (_literal.isHexNumber() && _literal.subDenomination() != Literal::SubDenomination::None)
+ {
+ if (v050)
+ m_errorReporter.fatalTypeError(
+ _literal.location(),
+ "Hexadecimal numbers cannot be used with unit denominations."
+ );
+ else
+ m_errorReporter.warning(
+ _literal.location(),
+ "Hexadecimal numbers with unit denominations are deprecated."
+ );
+ }
if (!_literal.annotation().type)
_literal.annotation().type = Type::forLiteral(_literal);