32#ifndef _QORE_FUNCTIONREFERENCENODE_H
34#define _QORE_FUNCTIONREFERENCENODE_H
81 DLLLOCAL
static const char* getStaticTypeName() {
82 return "call reference";
193class OptionalCallReferenceAccessHelper {
197 DLLLOCAL ~OptionalCallReferenceAccessHelper() {
203 DLLLOCAL
operator bool()
const {
204 return ref ? true :
false;
base class for call references, reference-counted, dynamically allocated only
Definition CallReferenceNode.h:39
virtual DLLEXPORT int getAsString(QoreString &str, int foff, ExceptionSink *xsink) const
concatenate the verbose string representation of the value to an existing QoreString
DLLLOCAL AbstractCallReferenceNode * refSelf() const
Returns a non-const ptr to the same object after increasing the reference count.
Definition CallReferenceNode.h:76
virtual DLLEXPORT bool getAsBoolImpl() const
returns false unless perl-boolean-evaluation is enabled, in which case it returns true
virtual DLLEXPORT QoreString * getAsString(bool &del, int foff, ExceptionSink *xsink) const
returns a QoreString giving the verbose string representation of the value
virtual DLLLOCAL QoreValue evalImpl(bool &needs_deref, ExceptionSink *xsink) const
this function should never be called for function references; this function should never be called di...
DLLLOCAL AbstractCallReferenceNode(bool n_needs_eval, bool n_there_can_be_only_one, qore_type_t n_type=NT_FUNCREF)
protected constructor for subclasses that are not reference-counted
virtual DLLEXPORT const char * getTypeName() const
returns the type name as a c string
The base class for all value and parse types in Qore expression trees.
Definition AbstractQoreNode.h:57
DLLEXPORT void ref() const
increments the reference count
container for holding Qore-language exception information and also for registering a "thread_exit" ca...
Definition ExceptionSink.h:50
This is the list container type in Qore, dynamically allocated only, reference counted.
Definition QoreListNode.h:52
supports parsing and executing Qore-language code, reference counted, dynamically-allocated only
Definition QoreProgram.h:128
Provides atomic reference counting to Qore objects.
Definition QoreReferenceCounter.h:44
DLLEXPORT void ROreference() const
Atomically increments the reference count.
DLLEXPORT bool ROdereference() const
Atomically decrements the reference count.
Qore's string type supported by the QoreEncoding class.
Definition QoreString.h:93
base class for resolved call references
Definition CallReferenceNode.h:115
virtual DLLEXPORT bool is_equal_hard(const AbstractQoreNode *v, ExceptionSink *xsink) const
returns true if the other node is the same value
DLLLOCAL ResolvedCallReferenceNode * refRefSelf() const
references itself and returns this
Definition CallReferenceNode.h:146
DLLLOCAL void weakRef()
Increments the weak reference count.
Definition CallReferenceNode.h:167
virtual DLLEXPORT bool is_equal_soft(const AbstractQoreNode *v, ExceptionSink *xsink) const
returns true if the other node is the same value
virtual DLLEXPORT QoreProgram * getProgram() const
returns a pointer to the QoreProgram object associated with this reference (can be nullptr)
QoreReferenceCounter weak_refs
weak references
Definition CallReferenceNode.h:180
virtual DLLEXPORT bool derefImpl(ExceptionSink *xsink)
Called when the strong reference count reaches zero.
virtual DLLEXPORT ~ResolvedCallReferenceNode()
public destructor function
DLLLOCAL void weakDeref()
Decrements the weak reference count.
Definition CallReferenceNode.h:172
virtual DLLLOCAL QoreValue execValue(const QoreListNode *args, ExceptionSink *xsink) const =0
pure virtual function for executing the function reference
virtual DLLEXPORT AbstractQoreNode * realCopy() const
returns this with the ref count inmcremented; not a real copy
DLLLOCAL ResolvedCallReferenceNode(bool n_needs_eval, qore_type_t n_type=NT_FUNCREF)
constructor is not exported outside the library
virtual DLLLOCAL QoreFunction * getFunction()=0
Returns the internal function object, if any; can return nullptr.
virtual DLLEXPORT QoreValue evalImpl(bool &needs_deref, ExceptionSink *xsink) const
this function should never be called for function references; this function should never be called di...
DLLEXPORT ResolvedCallReferenceNode()
public exported constructor function
virtual DLLEXPORT int parseInit(QoreValue &val, QoreParseContext &parse_context)
for use by parse types to initialize them for execution during stage 1 parsing
int16_t qore_type_t
used to identify unique Qore data and parse types (descendents of AbstractQoreNode)
Definition common.h:76
const qore_type_t NT_FUNCREF
type value for ResolvedCallReferenceNode
Definition node_types.h:68
The main value class in Qore, designed to be passed by value.
Definition QoreValue.h:279