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Merge pull request #1016 from ethereum/reserved

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Report the usage of reserved keywords more nicely
This commit is contained in:
chriseth 2016-09-06 15:52:44 +02:00 committed by GitHub
commit 462fc84e53
2 changed files with 12 additions and 1 deletions
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12
libsolidity/parsing/ParserBase.cpp
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@ -47,7 +47,17 @@ void ParserBase::expectToken(Token::Value _value)
Token::Value tok = m_scanner->currentToken();
if (tok != _value)
{
if (Token::isElementaryTypeName(tok)) //for the sake of accuracy in reporting
if (Token::isReservedKeyword(tok))
{
fatalParserError(
string("Expected token ") +
string(Token::name(_value)) +
string(" got reserved keyword '") +
string(Token::name(tok)) +
string("'")
);
}
else if (Token::isElementaryTypeName(tok)) //for the sake of accuracy in reporting
{
ElementaryTypeNameToken elemTypeName = m_scanner->currentElementaryTypeNameToken();
fatalParserError(

1
libsolidity/parsing/Token.h
View File

@ -293,6 +293,7 @@ public:
static bool isLocationSpecifier(Value op) { return op == Memory || op == Storage; }
static bool isEtherSubdenomination(Value op) { return op == SubWei || op == SubSzabo || op == SubFinney || op == SubEther; }
static bool isTimeSubdenomination(Value op) { return op == SubSecond || op == SubMinute || op == SubHour || op == SubDay || op == SubWeek || op == SubYear; }
static bool isReservedKeyword(Value op) { return (Abstract <= op && op <= TypeOf); }
// @returns a string corresponding to the JS token string
// (.e., "<" for the token LT) or NULL if the token doesn't