CommonTools
Utils
interface
ExpressionEvaluator.h
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#ifndef CommonToolsUtilsExpressionEvaluator_H
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#define CommonToolsUtilsExpressionEvaluator_H
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#include <string>
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namespace
reco
{
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class
ExpressionEvaluator
{
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public
:
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ExpressionEvaluator
(
const
char
*
pkg
,
const
char
* iname,
const
std::string
& iexpr);
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~ExpressionEvaluator
();
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template
<
typename
EXPR,
typename
... CArgs>
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EXPR*
expr
()
const
{
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typedef
EXPR* factoryP();
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return
reinterpret_cast<factoryP*>(
m_expr
)();
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}
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private
:
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std::string
m_name
;
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void
*
m_expr
;
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};
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template
<
typename
EXPR>
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EXPR*
expressionEvaluator
(
const
char
*
pkg
,
const
char
* iname,
const
std::string
& iexpr) {
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ExpressionEvaluator
ee(
pkg
, iname, iexpr);
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return
ee.
expr
<EXPR>();
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}
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}
// namespace reco
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#define SINGLE_ARG(...) __VA_ARGS__
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#define RECO_XSTR(...) RECO_STR(__VA_ARGS__)
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#define RECO_STR(...) #__VA_ARGS__
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#define reco_expressionEvaluator(pkg, EXPR, iexpr) reco::expressionEvaluator<EXPR>(pkg, RECO_XSTR(EXPR), iexpr)
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#endif // CommonToolsUtilsExpressionEvaluator_H
reco::ExpressionEvaluator::m_expr
void * m_expr
Definition:
ExpressionEvaluator.h:21
reco::expressionEvaluator
EXPR * expressionEvaluator(const char *pkg, const char *iname, const std::string &iexpr)
Definition:
ExpressionEvaluator.h:25
reco
fixed size matrix
Definition:
AlignmentAlgorithmBase.h:46
reco::ExpressionEvaluator::m_name
std::string m_name
Definition:
ExpressionEvaluator.h:20
reco::ExpressionEvaluator::~ExpressionEvaluator
~ExpressionEvaluator()
Definition:
ExpressionEvaluator.cc:149
reco::ExpressionEvaluator::ExpressionEvaluator
ExpressionEvaluator(const char *pkg, const char *iname, const std::string &iexpr)
Definition:
ExpressionEvaluator.cc:44
pkg
Definition:
pkg.py:1
AlCaHLTBitMon_QueryRunRegistry.string
string string
Definition:
AlCaHLTBitMon_QueryRunRegistry.py:256
reco::ExpressionEvaluator::expr
EXPR * expr() const
Definition:
ExpressionEvaluator.h:14
reco::ExpressionEvaluator
Definition:
ExpressionEvaluator.h:8
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