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Reject unsupported experimental feature names

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This commit is contained in:
Alex Beregszaszi 2017-08-02 20:21:20 +01:00
parent e44da40835
commit de9e758ef7
1 changed files with 5 additions and 0 deletions
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5
libsolidity/analysis/SyntaxChecker.cpp
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@ -69,6 +69,9 @@ bool SyntaxChecker::visit(PragmaDirective const& _pragma)
m_errorReporter.syntaxError(_pragma.location(), "Invalid pragma \"" + _pragma.literals()[0] + "\"");
else if (_pragma.literals()[0] == "experimental")
{
/// TODO: fill this out
static const set<string> validFeatures = set<string>{};
solAssert(m_sourceUnit, "");
vector<string> literals(_pragma.literals().begin() + 1, _pragma.literals().end());
if (literals.size() == 0)
@ -82,6 +85,8 @@ bool SyntaxChecker::visit(PragmaDirective const& _pragma)
{
if (literal.empty())
m_errorReporter.syntaxError(_pragma.location(), "Empty experimental feature name is invalid.");
else if (!validFeatures.count(literal))
m_errorReporter.syntaxError(_pragma.location(), "Unsupported experimental feature name.");
else if (m_sourceUnit->annotation().experimentalFeatures.count(literal))
m_errorReporter.syntaxError(_pragma.location(), "Duplicate experimental feature name.");
else