mirror of https://github.com/Icinga/icinga2.git
123 lines
6.5 KiB
C++
123 lines
6.5 KiB
C++
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/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#ifndef EXPRESSION_H
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#define EXPRESSION_H
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#include "config/i2-config.hpp"
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#include "base/debuginfo.hpp"
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#include "base/array.hpp"
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#include "base/dictionary.hpp"
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namespace icinga
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{
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struct DebugHint
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{
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std::vector<std::pair<String, DebugInfo> > Messages;
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std::map<String, DebugHint> Children;
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inline void AddMessage(const String& message, const DebugInfo& di)
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{
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Messages.push_back(std::make_pair(message, di));
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}
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inline DebugHint *GetChild(const String& name)
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{
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return &Children[name];
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}
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Dictionary::Ptr ToDictionary(void) const;
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};
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/**
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* @ingroup config
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*/
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class I2_CONFIG_API Expression : public Object
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{
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public:
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DECLARE_PTR_TYPEDEFS(Expression);
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typedef Value (*OpCallback)(const Expression *, const Dictionary::Ptr&, DebugHint *dhint);
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Expression(OpCallback op, const Value& operand1, const DebugInfo& di);
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Expression(OpCallback op, const Value& operand1, const Value& operand2, const DebugInfo& di);
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Value Evaluate(const Dictionary::Ptr& locals, DebugHint *dhint = NULL) const;
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void MakeInline(void);
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void Dump(std::ostream& stream, int indent = 0) const;
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static Value OpLiteral(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpVariable(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpNegate(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpLogicalNegate(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpAdd(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpSubtract(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpMultiply(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpDivide(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpBinaryAnd(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpBinaryOr(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpShiftLeft(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpShiftRight(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpEqual(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpNotEqual(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpLessThan(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpGreaterThan(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpLessThanOrEqual(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpGreaterThanOrEqual(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpIn(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpNotIn(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpLogicalAnd(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpLogicalOr(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpFunctionCall(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpArray(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpDict(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpSet(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpSetPlus(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpSetMinus(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpSetMultiply(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpSetDivide(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpIndexer(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpImport(const Expression *expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpFunction(const Expression* expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpApply(const Expression* expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpObject(const Expression* expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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static Value OpFor(const Expression* expr, const Dictionary::Ptr& locals, DebugHint *dhint);
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private:
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OpCallback m_Operator;
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Value m_Operand1;
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Value m_Operand2;
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DebugInfo m_DebugInfo;
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Value EvaluateOperand1(const Dictionary::Ptr& locals, DebugHint *dhint = NULL) const;
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Value EvaluateOperand2(const Dictionary::Ptr& locals, DebugHint *dhint = NULL) const;
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static void DumpOperand(std::ostream& stream, const Value& operand, int indent);
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static Value FunctionWrapper(const std::vector<Value>& arguments, const Array::Ptr& funcargs,
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const Expression::Ptr& expr, const Dictionary::Ptr& scope);
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};
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}
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#endif /* EXPRESSION_H */
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