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Eval

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- Added Eval::getOperators to expose suported operator symbols.
This commit is contained in:
Paul Beckingham
2014-04-16 00:38:43 -04:00
parent fff1ae2d6e
commit bf30fb3085
2 changed files with 19 additions and 8 deletions
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9
src/Eval.cpp
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@@ -171,6 +171,15 @@ void Eval::debug ()
_debug = true; _debug = true;
} }
////////////////////////////////////////////////////////////////////////////////
// Static.
void Eval::getOperators (std::vector <std::string>& all)
{
all.clear ();
for (unsigned int i = 0; i < NUM_OPERATORS; ++i)
all.push_back (operators[i].op);
}
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
void Eval::evaluatePostfixStack ( void Eval::evaluatePostfixStack (
const std::vector <std::pair <std::string, Lexer::Type> >& tokens, const std::vector <std::pair <std::string, Lexer::Type> >& tokens,

2
src/Eval.h
View File

@@ -47,6 +47,8 @@ public:
void ambiguity (bool); void ambiguity (bool);
void debug (); void debug ();
static void getOperators (std::vector <std::string>&);
private: private:
void evaluatePostfixStack (const std::vector <std::pair <std::string, Lexer::Type> >&, Variant&) const; void evaluatePostfixStack (const std::vector <std::pair <std::string, Lexer::Type> >&, Variant&) const;
void infixToPostfix (std::vector <std::pair <std::string, Lexer::Type> >&) const; void infixToPostfix (std::vector <std::pair <std::string, Lexer::Type> >&) const;