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Lexer: Implemented ::isOneOf, to help with parsing

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This commit is contained in:
Paul Beckingham 2015-07-25 17:34:51 -04:00
parent 9394b96202
commit 37e31e8e0b
2 changed files with 11 additions and 0 deletions
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10
src/Lexer.cpp
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@ -1092,6 +1092,16 @@ bool Lexer::isLiteral (const std::string& literal)
return false; return false;
} }
////////////////////////////////////////////////////////////////////////////////
bool Lexer::isOneOf (const std::vector <std::string>& options)
{
for (auto& item : options)
if (isLiteral (item))
return true;
return false;
}
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
// Static // Static
std::string Lexer::typeToString (Lexer::Type type) std::string Lexer::typeToString (Lexer::Type type)

1
src/Lexer.h
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@ -105,6 +105,7 @@ public:
bool isIdentifier (std::string&, Lexer::Type&); bool isIdentifier (std::string&, Lexer::Type&);
bool isWord (std::string&, Lexer::Type&); bool isWord (std::string&, Lexer::Type&);
bool isLiteral (const std::string&); bool isLiteral (const std::string&);
bool isOneOf (const std::vector <std::string>&);
private: private:
std::string _text; std::string _text;