Qt 4.8
qcalltargetdescription.cpp
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41 
42 #include "qcallsite_p.h"
43 
45 
47 
48 using namespace QPatternist;
49 
51 {
53 }
54 
56 {
57  return m_name;
58 }
59 
61  const Expression::Ptr callsite)
62 {
63  /* Check the arguments. */
64  const Expression::List ops(callsite->operands());
65  const Expression::List::const_iterator end(ops.constEnd());
66  Expression::List::const_iterator it(ops.constBegin());
67 
68  for(; it != end; ++it)
69  checkCallsiteCircularity(signList, *it);
70 }
71 
73  const Expression::Ptr expr)
74 {
75  Q_ASSERT(expr);
76 
78  {
81  CallSite *const callsite = static_cast<CallSite *>(expr.data());
82 
83  for(; it != end; ++it)
84  {
85  if(callsite->configureRecursion(*it))
86  {
87  /* A callsite inside the function body to the function. This user function
88  * is recursive if it's to the same function, in other words. Which it was
89  * if configureRecursion() returned true. */
90 
91  /* Now we continue and check the arguments of the callsite. That is, the arguments.
92  * This catches for instance local:foo(local:foo(3)). */
93  checkArgumentsCircularity(signList, expr);
94  return;
95  }
96  }
97  /* Check the body of the function so this callsite isn't "indirectly" a
98  * recursive call to the function we're checking. XQTS test case
99  * default_namespace-011 is an example of this. */
100  signList.append(callsite->callTargetDescription());
101  checkCallsiteCircularity(signList, callsite->body());
102  }
103 
104  checkArgumentsCircularity(signList, expr); /* We're done in this case. */
105 }
106 
Abstract base-class for Expression instances that are callsites to other components, such as templates or user functions.
Definition: qcallsite_p.h:72
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define it(className, varName)
static void checkArgumentsCircularity(CallTargetDescription::List &signList, const Expression::Ptr callsite)
const_iterator constBegin() const
Returns a const STL-style iterator pointing to the first item in the list.
Definition: qlist.h:269
#define Q_ASSERT(cond)
Definition: qglobal.h:1823
friend class const_iterator
Definition: qlist.h:264
void append(const T &t)
Inserts value at the end of the list.
Definition: qlist.h:507
T * data() const
Returns a pointer to the shared data object.
Definition: qshareddata.h:145
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
const char * name
The namespace for the internal API of QtXmlPatterns.
static void checkCallsiteCircularity(CallTargetDescription::List &signList, const Expression::Ptr expr)
virtual Expression::List operands() const =0
The QXmlName class represents the name of an XML node, in an efficient, namespace-aware way...
Definition: qxmlname.h:58
static const KeyPair *const end
bool is(const ID id) const
bool isNull() const
Returns true if this QXmlName is not initialized with a valid combination of {namespace URI}...
Definition: qxmlname.cpp:224
const_iterator constEnd() const
Returns a const STL-style iterator pointing to the imaginary item after the last item in the list...
Definition: qlist.h:272