diff options
Diffstat (limited to 'libsolidity/ast')
| -rw-r--r-- | libsolidity/ast/AST.cpp | 18 | ||||
| -rw-r--r-- | libsolidity/ast/AST.h | 3 |
2 files changed, 15 insertions, 6 deletions
diff --git a/libsolidity/ast/AST.cpp b/libsolidity/ast/AST.cpp index b929b6fe..403f4b79 100644 --- a/libsolidity/ast/AST.cpp +++ b/libsolidity/ast/AST.cpp @@ -530,20 +530,26 @@ IdentifierAnnotation& Identifier::annotation() const return dynamic_cast<IdentifierAnnotation&>(*m_annotation); } +bool Literal::isHexNumber() const +{ + if (token() != Token::Number) + return false; + return boost::starts_with(value(), "0x"); +} + bool Literal::looksLikeAddress() const { if (subDenomination() != SubDenomination::None) return false; - if (token() != Token::Number) + + if (!isHexNumber()) return false; - string lit = value(); - return lit.substr(0, 2) == "0x" && abs(int(lit.length()) - 42) <= 1; + return abs(int(value().length()) - 42) <= 1; } bool Literal::passesAddressChecksum() const { - string lit = value(); - solAssert(lit.substr(0, 2) == "0x", "Expected hex prefix"); - return dev::passesAddressChecksum(lit, true); + solAssert(isHexNumber(), "Expected hex number"); + return dev::passesAddressChecksum(value(), true); } diff --git a/libsolidity/ast/AST.h b/libsolidity/ast/AST.h index 83572692..e8831dc0 100644 --- a/libsolidity/ast/AST.h +++ b/libsolidity/ast/AST.h @@ -1590,6 +1590,9 @@ public: SubDenomination subDenomination() const { return m_subDenomination; } + /// @returns true if this is a number with a hex prefix. + bool isHexNumber() const; + /// @returns true if this looks like a checksummed address. bool looksLikeAddress() const; /// @returns true if it passes the address checksum test. |