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| author | Alex Beregszaszi <alex@rtfs.hu> | 2018-02-24 01:27:27 +0800 |
|---|---|---|
| committer | Alex Beregszaszi <alex@rtfs.hu> | 2018-02-27 02:09:39 +0800 |
| commit | 751705978e346b372e9aa1242c78e32892fae985 (patch) | |
| tree | d783c4e2924e3c042abe7abddc01771ad51f59de /libsolidity/ast | |
| parent | 272262ea9908f2c8a12e0a8e367393f2a49ba3ca (diff) | |
| download | dexon-solidity-751705978e346b372e9aa1242c78e32892fae985.tar.gz dexon-solidity-751705978e346b372e9aa1242c78e32892fae985.tar.zst dexon-solidity-751705978e346b372e9aa1242c78e32892fae985.zip | |
Add helpers escapeIdentifier to Types
Diffstat (limited to 'libsolidity/ast')
| -rw-r--r-- | libsolidity/ast/Types.cpp | 20 | ||||
| -rw-r--r-- | libsolidity/ast/Types.h | 8 |
2 files changed, 27 insertions, 1 deletions
diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp index e4b7e4fd..bf5745a6 100644 --- a/libsolidity/ast/Types.cpp +++ b/libsolidity/ast/Types.cpp @@ -170,6 +170,26 @@ string parenthesizeUserIdentifier(string const& _internal) } +string Type::escapeIdentifier(string const& _identifier) +{ + string ret = _identifier; + boost::algorithm::replace_all(ret, "$", "_$$$_"); + boost::algorithm::replace_all(ret, ",", "_$_"); + boost::algorithm::replace_all(ret, "(", "$_"); + boost::algorithm::replace_all(ret, ")", "_$"); + return ret; +} + +string Type::unescapeIdentifier(string const& _identifier) +{ + string ret = _identifier; + boost::algorithm::replace_all(ret, "_$_", ","); + boost::algorithm::replace_all(ret, "_$$$_", "$"); + boost::algorithm::replace_all(ret, "$_", "("); + boost::algorithm::replace_all(ret, "_$", ")"); + return ret; +} + TypePointer Type::fromElementaryTypeName(ElementaryTypeNameToken const& _type) { solAssert(Token::isElementaryTypeName(_type.token()), diff --git a/libsolidity/ast/Types.h b/libsolidity/ast/Types.h index 2e7d05ba..ef898f37 100644 --- a/libsolidity/ast/Types.h +++ b/libsolidity/ast/Types.h @@ -163,10 +163,16 @@ public: /// @returns a valid solidity identifier such that two types should compare equal if and /// only if they have the same identifier. /// The identifier should start with "t_". + virtual std::string identifier() const = 0; + /// More complex identifier strings use "parentheses", where $_ is interpreted as as /// "opening parenthesis", _$ as "closing parenthesis", _$_ as "comma" and any $ that /// appears as part of a user-supplied identifier is escaped as _$$$_. - virtual std::string identifier() const = 0; + /// @returns an escaped identifier (will not contain any parenthesis or commas) + static std::string escapeIdentifier(std::string const& _identifier); + /// @returns an unescaped identifier + static std::string unescapeIdentifier(std::string const& _identifier); + virtual bool isImplicitlyConvertibleTo(Type const& _other) const { return *this == _other; } virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const { |