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Check token within parseCase

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This commit is contained in:
Alex Beregszaszi 2017-05-19 18:04:40 +01:00
parent db3d9e0416
commit e48e84ca2b
2 changed files with 9 additions and 7 deletions
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14
libsolidity/inlineasm/AsmParser.cpp
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@ -75,7 +75,7 @@ assembly::Statement Parser::parseStatement()
while (m_scanner->currentToken() == Token::Case)
_switch.cases.emplace_back(parseCase());
if (m_scanner->currentToken() == Token::Default)
_switch.cases.emplace_back(parseCase(true));
_switch.cases.emplace_back(parseCase());
if (_switch.cases.size() == 0)
fatalParserError("Switch statement without any cases.");
_switch.location.end = _switch.cases.back().body.location.end;
@ -148,19 +148,21 @@ assembly::Statement Parser::parseStatement()
return statement;
}
assembly::Case Parser::parseCase(bool _defaultCase)
assembly::Case Parser::parseCase()
{
assembly::Case _case = createWithLocation<assembly::Case>();
if (_defaultCase)
expectToken(Token::Default);
else
if (m_scanner->currentToken() == Token::Default)
m_scanner->next();
else if (m_scanner->currentToken() == Token::Case)
{
expectToken(Token::Case);
m_scanner->next();
assembly::Statement statement = parseElementaryOperation();
if (statement.type() != typeid(assembly::Literal))
fatalParserError("Literal expected.");
_case.value = make_shared<Literal>(std::move(boost::get<assembly::Literal>(statement)));
}
else
fatalParserError("Case or default case expected.");
_case.body = parseBlock();
_case.location.end = _case.body.location.end;
return _case;

2
libsolidity/inlineasm/AsmParser.h
View File

@ -62,7 +62,7 @@ protected:
Block parseBlock();
Statement parseStatement();
Case parseCase(bool _defaultCase = false);
Case parseCase();
/// Parses a functional expression that has to push exactly one stack element
Statement parseExpression();
std::map<std::string, dev::solidity::Instruction> const& instructions();