icinga2/lib/config/aexpression.hpp

123 lines
6.5 KiB
C++

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