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Merge pull request #4328 from ethereum/disallow-years

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[BREAKING] Disallow the years unit denomination properly
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Alex Beregszaszi 2018-06-21 21:03:03 +02:00 committed by GitHub
commit ae43330b62
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7 changed files with 9 additions and 23 deletions
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1
Changelog.md
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@ -10,6 +10,7 @@ Breaking Changes:
* General: Disallow declaring empty structs.
* General: Disallow raw ``callcode`` (was already deprecated in 0.4.12). It is still possible to use it via inline assembly.
* General: Disallow ``sha3`` and ``suicide`` aliases.
* General: Disallow the ``years`` unit denomination (was already deprecated in 0.4.24)
* General: Introduce ``emit`` as a keyword instead of parsing it as identifier.
* General: New keywords: ``calldata``
* General: New reserved keywords: ``alias``, ``apply``, ``auto``, ``copyof``, ``define``, ``immutable``,

2
docs/units-and-global-variables.rst
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@ -32,7 +32,7 @@ Due to the fact that leap seconds cannot be predicted, an exact calendar
library has to be updated by an external oracle.
.. note::
The suffix ``years`` has been deprecated due to the reasons above.
The suffix ``years`` has been deprecated due to the reasons above and cannot be used starting version 0.5.0.
These suffixes cannot be applied to variables. If you want to
interpret some input variable in e.g. days, you can do it in the following way::

16
libsolidity/analysis/TypeChecker.cpp
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@ -2316,18 +2316,10 @@ void TypeChecker::endVisit(Literal const& _literal)
}
if (_literal.subDenomination() == Literal::SubDenomination::Year)
{
if (v050)
m_errorReporter.typeError(
_literal.location(),
"Using \"years\" as a unit denomination is deprecated."
);
else
m_errorReporter.warning(
_literal.location(),
"Using \"years\" as a unit denomination is deprecated."
);
}
m_errorReporter.typeError(
_literal.location(),
"Using \"years\" as a unit denomination is deprecated."
);
if (!_literal.annotation().type)
_literal.annotation().type = Type::forLiteral(_literal);

2
test/contracts/AuctionRegistrar.cpp
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@ -109,7 +109,7 @@ contract GlobalRegistrar is Registrar, AuctionSystem {
uint renewalDate;
}
uint constant c_renewalInterval = 1 years;
uint constant c_renewalInterval = 365 days;
uint constant c_freeBytes = 12;
function Registrar() {

3
test/libsolidity/syntaxTests/denominations/denominations.sol
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@ -1,7 +1,6 @@
contract C {
uint constant a = 1 wei + 2 szabo + 3 finney + 4 ether;
uint constant b = 1 seconds + 2 minutes + 3 hours + 4 days + 5 weeks + 6 years;
uint constant b = 1 seconds + 2 minutes + 3 hours + 4 days + 5 weeks;
uint constant c = 2 szabo / 1 seconds + 3 finney * 3 hours;
}
// ----
// Warning: (142-149): Using "years" as a unit denomination is deprecated.

2
test/libsolidity/syntaxTests/denominations/deprecated_year.sol
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@ -2,4 +2,4 @@ contract C {
uint constant a = 3 years;
}
// ----
// Warning: (32-39): Using "years" as a unit denomination is deprecated.
// TypeError: (32-39): Using "years" as a unit denomination is deprecated.

6
test/libsolidity/syntaxTests/denominations/deprecated_year_050.sol
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@ -1,6 +0,0 @@
pragma experimental "v0.5.0";
contract C {
uint constant a = 3 years;
}
// ----
// TypeError: (62-69): Using "years" as a unit denomination is deprecated.