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added keyword type and some tests, changes in lexical cast

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RJ Catalano 2016-03-10 13:25:14 -06:00 committed by chriseth
parent d0bb87ae88
commit d0054a8d29
3 changed files with 25 additions and 11 deletions
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16
libsolidity/parsing/Token.cpp
View File

@ -109,26 +109,26 @@ char const Token::m_tokenType[] =
{
TOKEN_LIST(KT, KK)
};
unsigned Token::extractUnsigned(string::const_iterator _begin, string::const_iterator _end)
int Token::parseSize(string::const_iterator _begin, string::const_iterator _end)
{
try
{
unsigned short m = boost::lexical_cast<unsigned short>(boost::make_iterator_range(_begin, _end));
unsigned int m = boost::lexical_cast<int>(boost::make_iterator_range(_begin, _end));
return m;
}
catch(const boost::bad_lexical_cast &)
catch(boost::bad_lexical_cast const&)
{
return 0;
return -1;
}
}
tuple<Token::Value, unsigned short, unsigned short> Token::fromIdentifierOrKeyword(string const& _literal)
tuple<Token::Value, unsigned int, unsigned int> Token::fromIdentifierOrKeyword(string const& _literal)
{
auto positionM = find_if(_literal.begin(), _literal.end(), ::isdigit);
if (positionM != _literal.end())
{
string baseType(_literal.begin(), positionM);
auto positionX = find_if_not(positionM, _literal.end(), ::isdigit);
unsigned short m = extractUnsigned(positionM, positionX);
int m = parseSize(positionM, positionX);
Token::Value keyword = keywordByName(baseType);
if (keyword == Token::Bytes)
{
@ -147,8 +147,8 @@ tuple<Token::Value, unsigned short, unsigned short> Token::fromIdentifierOrKeywo
}
else if (keyword == Token::UFixed || keyword == Token::Fixed)
{
auto positionN = find_if_not(positionX++, _literal.end(), ::isdigit);
unsigned short n = extractUnsigned(positionX++, positionN);
auto positionN = find_if_not(++positionX, _literal.end(), ::isdigit);
int n = parseSize(++positionX, positionN);
if (
0 < m + n &&
m + n <= 256 &&

7
libsolidity/parsing/Token.h
View File

@ -231,6 +231,7 @@ namespace solidity
K(Type, "type", 0) \
K(TypeOf, "typeof", 0) \
K(Using, "using", 0) \
T(Timestamp, "timestamp", 0) \
/* Illegal token - not able to scan. */ \
T(Illegal, "ILLEGAL", 0) \
\
@ -304,11 +305,11 @@ public:
return m_precedence[tok];
}
static std::tuple<Token::Value, unsigned short, unsigned short> fromIdentifierOrKeyword(std::string const& _literal);
static std::tuple<Token::Value, unsigned int, unsigned int> fromIdentifierOrKeyword(std::string const& _literal);
private:
// @returns 0 on error (invalid digit or number too large)
static unsigned extractUnsigned(std::string::const_iterator _begin, std::string::const_iterator _end);
// @returns -1 on error (invalid digit or number too large)
static int parseSize(std::string::const_iterator _begin, std::string::const_iterator _end);
// @returns the keyword with name @a _name or Token::Identifier of no such keyword exists.
static Token::Value keywordByName(std::string const& _name);
static char const* const m_name[NUM_TOKENS];

13
test/libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -3232,6 +3232,19 @@ BOOST_AUTO_TEST_CASE(int10abc_is_identifier)
BOOST_CHECK(success(text));
}
BOOST_AUTO_TEST_CASE(invalid_fixed_types)
{
char const* text = R"(
contract test {
function f() {
fixed0x7 a = .3;
fixed99999999999999999999999999999999999999x7 b = 9.5;
}
}
)";
BOOST_CHECK(!success(text));
}
BOOST_AUTO_TEST_CASE(library_functions_do_not_have_value)
{
char const* text = R"(