Qore Programming Language - C/C++ Library  0.8.13.2
CallReferenceNode.h
1 /* -*- mode: c++; indent-tabs-mode: nil -*- */
2 /*
3  CallReferenceNode.h
4 
5  Qore Programming Language
6 
7  Copyright (C) 2003 - 2017 Qore Technologies, s.r.o.
8 
9  Permission is hereby granted, free of charge, to any person obtaining a
10  copy of this software and associated documentation files (the "Software"),
11  to deal in the Software without restriction, including without limitation
12  the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  and/or sell copies of the Software, and to permit persons to whom the
14  Software is furnished to do so, subject to the following conditions:
15 
16  The above copyright notice and this permission notice shall be included in
17  all copies or substantial portions of the Software.
18 
19  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25  DEALINGS IN THE SOFTWARE.
26 
27  Note that the Qore library is released under a choice of three open-source
28  licenses: MIT (as above), LGPL 2+, or GPL 2+; see README-LICENSE for more
29  information.
30 */
31 
32 #ifndef _QORE_FUNCTIONREFERENCENODE_H
33 
34 #define _QORE_FUNCTIONREFERENCENODE_H
35 
37 
40 private:
42 
44  DLLLOCAL virtual AbstractQoreNode* realCopy() const;
45 
47 
49  DLLLOCAL virtual bool is_equal_soft(const AbstractQoreNode* v, ExceptionSink* xsink) const;
50 
52 
54  DLLLOCAL virtual bool is_equal_hard(const AbstractQoreNode* v, ExceptionSink* xsink) const;
55 
56 protected:
58 
60  DLLLOCAL virtual AbstractQoreNode* evalImpl(ExceptionSink* xsink) const;
61 
63 
65  DLLLOCAL virtual AbstractQoreNode* evalImpl(bool& needs_deref, ExceptionSink* xsink) const;
66 
68 
70  DLLLOCAL virtual int64 bigIntEvalImpl(ExceptionSink* xsink) const;
71 
73 
75  DLLLOCAL virtual int integerEvalImpl(ExceptionSink* xsink) const;
76 
78 
80  DLLLOCAL virtual bool boolEvalImpl(ExceptionSink* xsink) const;
81 
83 
85  DLLLOCAL virtual double floatEvalImpl(ExceptionSink* xsink) const;
86 
88  DLLLOCAL AbstractCallReferenceNode(bool n_needs_eval, bool n_there_can_be_only_one, qore_type_t n_type = NT_FUNCREF);
89 
90 public:
91  DLLLOCAL AbstractCallReferenceNode(bool n_needs_eval = false, qore_type_t n_type = NT_FUNCREF);
92 
93  DLLLOCAL virtual ~AbstractCallReferenceNode();
94 
96 
98  DLLEXPORT virtual bool getAsBoolImpl() const;
99 
101 
107  DLLLOCAL virtual int getAsString(QoreString& str, int foff, ExceptionSink* xsink) const;
108 
110 
117  DLLLOCAL virtual QoreString* getAsString(bool& del, int foff, ExceptionSink* xsink) const;
118 
120  DLLLOCAL virtual const char* getTypeName() const;
121 
122  DLLLOCAL static const char* getStaticTypeName() {
123  return "call reference";
124  }
125 };
126 
127 class QoreFunction;
128 
131 public:
133  DLLLOCAL ResolvedCallReferenceNode(bool n_needs_eval = false, qore_type_t n_type = NT_FUNCREF);
134 
136 
141  DLLLOCAL virtual QoreValue execValue(const QoreListNode* args, ExceptionSink* xsink) const = 0;
142 
144 
147  DLLLOCAL virtual QoreProgram* getProgram() const;
148 
149  DLLLOCAL virtual QoreFunction* getFunction() = 0;
150 
151  DLLLOCAL ResolvedCallReferenceNode* refRefSelf() const {
152  ref();
153  return const_cast<ResolvedCallReferenceNode*>(this);
154  }
155 };
156 
157 #endif
virtual DLLLOCAL double floatEvalImpl(ExceptionSink *xsink) const
this function should never be called for function references; this function should never be called di...
virtual DLLLOCAL AbstractQoreNode * evalImpl(ExceptionSink *xsink) const
this function should never be called for function references; this function should never be called di...
The base class for all value and parse types in Qore expression trees.
Definition: AbstractQoreNode.h:54
virtual DLLEXPORT bool getAsBoolImpl() const
returns false unless perl-boolean-evaluation is enabled, in which case it returns true ...
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
const qore_type_t NT_FUNCREF
type value for AbstractCallReferenceNode
Definition: node_types.h:71
virtual DLLLOCAL int64 bigIntEvalImpl(ExceptionSink *xsink) const
this function should never be called for function references; this function should never be called di...
base class for call references, reference-counted, dynamically allocated only
Definition: CallReferenceNode.h:39
Qore&#39;s string type supported by the QoreEncoding class.
Definition: QoreString.h:82
DLLEXPORT QoreProgram * getProgram()
returns the current QoreProgram
This is the list container type in Qore, dynamically allocated only, reference counted.
Definition: QoreListNode.h:52
virtual DLLLOCAL const char * getTypeName() const
returns the type name as a c string
The main value class in Qore, designed to be passed by value.
Definition: QoreValue.h:112
supports parsing and executing Qore-language code, reference counted, dynamically-allocated only ...
Definition: QoreProgram.h:117
container for holding Qore-language exception information and also for registering a "thread_exit" ca...
Definition: ExceptionSink.h:47
long long int64
64bit integer type, cannot use int64_t here since it breaks the API on some 64-bit systems due to equ...
Definition: common.h:241
virtual DLLLOCAL bool boolEvalImpl(ExceptionSink *xsink) const
this function should never be called for function references; this function should never be called di...
DLLEXPORT void ref() const
increments the reference count
base class for resolved call references
Definition: CallReferenceNode.h:130
int16_t qore_type_t
used to identify unique Qore data and parse types (descendents of AbstractQoreNode) ...
Definition: common.h:71
virtual DLLLOCAL int integerEvalImpl(ExceptionSink *xsink) const
this function should never be called for function references; this function should never be called di...
virtual DLLLOCAL int getAsString(QoreString &str, int foff, ExceptionSink *xsink) const
concatenate the verbose string representation of the value to an existing QoreString ...