diff options
1 files changed, 17 insertions, 7 deletions
| -rw-r--r-- | JSImpl/src/ASTInterpreter.h | 24 |
diff --git a/JSImpl/src/ASTInterpreter.h b/JSImpl/src/ASTInterpreter.h index 1ffecde..4d5b46f 100644 --- a/JSImpl/src/ASTInterpreter.h +++ b/JSImpl/src/ASTInterpreter.h @@ -11,10 +11,10 @@ public: ASTInterpreter(); ~ASTInterpreter(); - typedef double value_type; - typedef std::stack<value_type> ValueStack; + typedef double value_type; + typedef IPLStack<value_type> ValueStack; - ValueStack Run(Expression* program); + ValueStack Run(Expression* program); virtual void Visit(LiteralNull* e) override; virtual void Visit(LiteralUndefined* e) override; @@ -36,9 +36,19 @@ public: virtual void Visit(FunctionDeclaration* e) override; virtual void Visit(TopStatements* e) override; virtual void Visit(EmptyExpression* e) override; + + value_type& ModifyVariable(const IPLString& name); private: - void RunExpression(const ExpressionPtr& e); - bool EvalToBool(const ExpressionPtr& e); - ValueStack m_Evaluation; - std::unordered_map<std::string, ValueStack> m_Variables; + void RunExpression(const ExpressionPtr& e); + bool EvalToBool(const ExpressionPtr& e); + + void EnterScope(); + void LeaveScope(); + friend struct VariableScope; + + ValueStack m_Evaluation; + IPLUnorderedMap<IPLString, ValueStack> m_Variables; + + typedef IPLVector<IPLString> Scope; + IPLStack<Scope> m_Scopes; }; |