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Return UTF-8 error in BoolResult and remove it from string type

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This commit is contained in:
Alex Beregszaszi 2020-09-23 15:04:22 +01:00
parent a154594de6
commit e54110ff17
9 changed files with 19 additions and 17 deletions
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20
libsolidity/ast/Types.cpp
View File

@ -1357,11 +1357,19 @@ BoolResult StringLiteralType::isImplicitlyConvertibleTo(Type const& _convertTo)
return true;
}
else if (auto arrayType = dynamic_cast<ArrayType const*>(&_convertTo))
{
size_t invalidSequence;
if (arrayType->isString() && !util::validateUTF8(value(), invalidSequence))
return BoolResult::err(
"Contains invalid UTF-8 sequence at position " +
util::toString(invalidSequence) +
"."
);
return
arrayType->location() != DataLocation::CallData &&
arrayType->isByteArray() &&
!(arrayType->dataStoredIn(DataLocation::Storage) && arrayType->isPointer()) &&
!(arrayType->isString() && !util::validateUTF8(value()));
!(arrayType->dataStoredIn(DataLocation::Storage) && arrayType->isPointer());
}
else
return false;
}
@ -1392,15 +1400,9 @@ std::string StringLiteralType::toString(bool) const
return true;
};
string ret = isPrintableASCII(m_value) ?
return isPrintableASCII(m_value) ?
("literal_string \"" + m_value + "\"") :
("literal_string hex\"" + util::toHex(util::asBytes(m_value)) + "\"");
size_t invalidSequence;
if (!util::validateUTF8(m_value, invalidSequence))
ret += " (contains invalid UTF-8 sequence at position " + util::toString(invalidSequence) + ")";
return ret;
}
TypePointer StringLiteralType::mobileType() const

2
test/libsolidity/ASTJSON/non_utf8.json
View File

@ -86,7 +86,7 @@
"typeDescriptions":
{
"typeIdentifier": "t_stringliteral_8b1a944cf13a9a1c08facb2c9e98623ef3254d2ddb48113885c3e8e97fec8db9",
"typeString": "literal_string hex\"ff\" (contains invalid UTF-8 sequence at position 0)"
"typeString": "literal_string hex\"ff\""
}
},
"nodeType": "VariableDeclarationStatement",

2
test/libsolidity/ASTJSON/non_utf8_legacy.json
View File

@ -131,7 +131,7 @@
"isPure": true,
"lValueRequested": false,
"token": "hexString",
"type": "literal_string hex\"ff\" (contains invalid UTF-8 sequence at position 0)"
"type": "literal_string hex\"ff\""
},
"id": 5,
"name": "Literal",

2
test/libsolidity/syntaxTests/string/invalid_utf8_explicit_string.sol
View File

@ -2,4 +2,4 @@ contract C {
string s = string("\xa0\x00");
}
// ----
// TypeError 9640: (28-46): Explicit type conversion not allowed from "literal_string hex"a000" (contains invalid UTF-8 sequence at position 0)" to "string memory".
// TypeError 9640: (28-46): Explicit type conversion not allowed from "literal_string hex"a000"" to "string memory". Contains invalid UTF-8 sequence at position 0.

2
test/libsolidity/syntaxTests/string/invalid_utf8_hex_string.sol
View File

@ -2,4 +2,4 @@ contract C {
string s = hex"a000";
}
// ----
// TypeError 7407: (28-37): Type literal_string hex"a000" (contains invalid UTF-8 sequence at position 0) is not implicitly convertible to expected type string storage ref.
// TypeError 7407: (28-37): Type literal_string hex"a000" is not implicitly convertible to expected type string storage ref. Contains invalid UTF-8 sequence at position 0.

2
test/libsolidity/syntaxTests/string/invalid_utf8_implicit_string.sol
View File

@ -2,4 +2,4 @@ contract C {
string s = "\xa0\x00";
}
// ----
// TypeError 7407: (28-38): Type literal_string hex"a000" (contains invalid UTF-8 sequence at position 0) is not implicitly convertible to expected type string storage ref.
// TypeError 7407: (28-38): Type literal_string hex"a000" is not implicitly convertible to expected type string storage ref. Contains invalid UTF-8 sequence at position 0.

2
test/libsolidity/syntaxTests/string/invalid_utf8_sequence.sol
View File

@ -3,4 +3,4 @@ contract C {
}
// ----
// SyntaxError 8452: (28-38): Contains invalid UTF-8 sequence at position 0.
// TypeError 7407: (28-38): Type literal_string hex"c0" (contains invalid UTF-8 sequence at position 0) is not implicitly convertible to expected type string storage ref.
// TypeError 7407: (28-38): Type literal_string hex"c0" is not implicitly convertible to expected type string storage ref. Contains invalid UTF-8 sequence at position 0.

2
test/libsolidity/syntaxTests/string/unicode_escape_literals_invalid_codepoint.sol
View File

@ -4,4 +4,4 @@ contract test {
}
}
// ----
// TypeError 6359: (86-92): Return argument type literal_string hex"c1" (contains invalid UTF-8 sequence at position 0) is not implicitly convertible to expected type (type of first return variable) string memory.
// TypeError 6359: (86-92): Return argument type literal_string hex"c1" is not implicitly convertible to expected type (type of first return variable) string memory. Contains invalid UTF-8 sequence at position 0.

2
test/libsolidity/syntaxTests/types/hex_string_to_bytesNN_different_size_explicit.sol
View File

@ -17,4 +17,4 @@ contract C {
// TypeError 9640: (92-109): Explicit type conversion not allowed from "literal_string hex"1234"" to "bytes1". Literal is larger than the type.
// TypeError 9640: (198-217): Explicit type conversion not allowed from "literal_string hex"123456"" to "bytes2". Literal is larger than the type.
// TypeError 9640: (310-331): Explicit type conversion not allowed from "literal_string hex"12345678"" to "bytes3". Literal is larger than the type.
// TypeError 9640: (430-453): Explicit type conversion not allowed from "literal_string hex"1234567890" (contains invalid UTF-8 sequence at position 4)" to "bytes4". Literal is larger than the type.
// TypeError 9640: (430-453): Explicit type conversion not allowed from "literal_string hex"1234567890"" to "bytes4". Literal is larger than the type.