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Improve error message for static array with size too large

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Ryan 2022-03-31 20:36:45 -05:00 committed by Kamil Śliwak
parent 0944e6853f
commit 3a17274691
6 changed files with 30 additions and 5 deletions
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8
libsolidity/analysis/DeclarationTypeChecker.cpp
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@ -297,7 +297,7 @@ void DeclarationTypeChecker::endVisit(ArrayTypeName const& _typeName)
else if (optional<ConstantEvaluator::TypedRational> value = ConstantEvaluator::evaluate(m_errorReporter, *length)) else if (optional<ConstantEvaluator::TypedRational> value = ConstantEvaluator::evaluate(m_errorReporter, *length))
lengthValue = value->value; lengthValue = value->value;
if (!lengthValue || lengthValue > TypeProvider::uint256()->max()) if (!lengthValue)
m_errorReporter.typeError( m_errorReporter.typeError(
5462_error, 5462_error,
length->location(), length->location(),
@ -309,6 +309,12 @@ void DeclarationTypeChecker::endVisit(ArrayTypeName const& _typeName)
m_errorReporter.typeError(3208_error, length->location(), "Array with fractional length specified."); m_errorReporter.typeError(3208_error, length->location(), "Array with fractional length specified.");
else if (*lengthValue < 0) else if (*lengthValue < 0)
m_errorReporter.typeError(3658_error, length->location(), "Array with negative length specified."); m_errorReporter.typeError(3658_error, length->location(), "Array with negative length specified.");
else if (lengthValue > TypeProvider::uint256()->max())
m_errorReporter.typeError(
1847_error,
length->location(),
"Array length too large, maximum is 2**256 - 1."
);
_typeName.annotation().type = TypeProvider::array( _typeName.annotation().type = TypeProvider::array(
DataLocation::Storage, DataLocation::Storage,

2
test/libsolidity/syntaxTests/array/length/bytes32_too_large.sol
View File

@ -2,4 +2,4 @@ contract C {
bytes32[8**90] ids; bytes32[8**90] ids;
} }
// ---- // ----
// TypeError 5462: (25-30): Invalid array length, expected integer literal or constant expression. // TypeError 1847: (25-30): Array length too large, maximum is 2**256 - 1.

2
test/libsolidity/syntaxTests/array/length/bytes32_too_large_multidim.sol
View File

@ -2,4 +2,4 @@ contract C {
bytes32[8**90][500] ids; bytes32[8**90][500] ids;
} }
// ---- // ----
// TypeError 5462: (25-30): Invalid array length, expected integer literal or constant expression. // TypeError 1847: (25-30): Array length too large, maximum is 2**256 - 1.

16
test/libsolidity/syntaxTests/array/length/literal_conversion.sol Normal file
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@ -0,0 +1,16 @@
contract C {
uint[uint(1)] valid_size_invalid_expr1;
uint[uint(2**256-1)] valid_size_invalid_expr2;
uint[uint(2**256)] invalid_size_invalid_expr3;
uint[int(1)] valid_size_invalid_expr4;
uint[int(2**256-1)] valid_size_invalid_expr5;
uint[int(2**256)] invalid_size_invalid_expr6;
}
// ----
// TypeError 5462: (22-29): Invalid array length, expected integer literal or constant expression.
// TypeError 5462: (66-80): Invalid array length, expected integer literal or constant expression.
// TypeError 5462: (117-129): Invalid array length, expected integer literal or constant expression.
// TypeError 5462: (169-175): Invalid array length, expected integer literal or constant expression.
// TypeError 5462: (212-225): Invalid array length, expected integer literal or constant expression.
// TypeError 5462: (262-273): Invalid array length, expected integer literal or constant expression.

5
test/libsolidity/syntaxTests/array/length/too_large.sol
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@ -1,5 +1,8 @@
contract C { contract C {
uint[8**90] ids; uint[8**90] ids;
uint[2**256-1] okay;
uint[2**256] tooLarge;
} }
// ---- // ----
// TypeError 5462: (22-27): Invalid array length, expected integer literal or constant expression. // TypeError 1847: (22-27): Array length too large, maximum is 2**256 - 1.
// TypeError 1847: (68-74): Array length too large, maximum is 2**256 - 1.

2
test/libsolidity/syntaxTests/array/length/uint_too_large_multidim.sol
View File

@ -2,4 +2,4 @@ contract C {
uint[8**90][500] ids; uint[8**90][500] ids;
} }
// ---- // ----
// TypeError 5462: (22-27): Invalid array length, expected integer literal or constant expression. // TypeError 1847: (22-27): Array length too large, maximum is 2**256 - 1.