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Fix parser for function type disambiguity.

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This commit is contained in:
chriseth 2016-11-11 15:23:50 +01:00
parent 0335ed4cb4
commit 7a292c9a05
2 changed files with 23 additions and 1 deletions
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11
libsolidity/parsing/Parser.cpp
View File

@ -315,7 +315,18 @@ Parser::FunctionHeaderParserResult Parser::parseFunctionHeader(bool _forceEmptyN
m_scanner->next();
}
else if (_allowModifiers && token == Token::Identifier)
{
// This can either be a modifier (function declaration) or the name of the
// variable (function type name plus variable).
if (
m_scanner->peekNextToken() == Token::Semicolon ||
m_scanner->peekNextToken() == Token::Assign
)
// Variable declaration, break here.
break;
else
result.modifiers.push_back(parseModifierInvocation());
}
else if (Token::isVisibilitySpecifier(token))
{
if (result.visibility != Declaration::Visibility::Default)

11
test/libsolidity/SolidityParser.cpp
View File

@ -1338,6 +1338,17 @@ BOOST_AUTO_TEST_CASE(mapping_and_array_of_functions)
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_CASE(function_type_state_variable)
{
char const* text = R"(
contract test {
function() x;
function() y = x;
}
)";
BOOST_CHECK(successParse(text));
}
BOOST_AUTO_TEST_SUITE_END()