Qore Programming Language  1.12.0
ScopedObjectCallNode.h
1 /* -*- mode: c++; indent-tabs-mode: nil -*- */
2 /*
3  ScopedObjectCallNode.h
4 
5  Qore Programming Language
6 
7  Copyright (C) 2003 - 2022 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"),
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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.
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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,
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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_SCOPEDOBJECTCALLNODE_H
33 
34 #define _QORE_SCOPEDOBJECTCALLNODE_H
35 
36 #include "qore/intern/FunctionCallNode.h"
37 #include "qore/intern/QoreParseListNode.h"
38 
39 class ScopedObjectCallNode : public AbstractFunctionCallNode {
40 public:
41  NamedScope* name;
42  const QoreClass* oc;
43  QoreString desc;
44 
45  DLLLOCAL ScopedObjectCallNode(const QoreProgramLocation* loc, NamedScope* n, QoreParseListNode* a) : AbstractFunctionCallNode(loc, NT_SCOPE_REF, a), name(n), oc(nullptr) {
46  }
47 
48  DLLLOCAL ScopedObjectCallNode(const QoreProgramLocation* loc, const QoreClass* qc, QoreParseListNode* a) : AbstractFunctionCallNode(loc, NT_SCOPE_REF, a), name(nullptr), oc(qc) {
49  }
50 
51  DLLLOCAL virtual ~ScopedObjectCallNode() {
52  delete name;
53  }
54 
55  DLLLOCAL int parseInitImpl(QoreValue& val, QoreParseContext& parse_context);
56 
57  /* get string representation (for %n and %N), foff is for multi-line formatting offset, -1 = no line breaks
58  the ExceptionSink is only needed for QoreObject where a method may be executed
59  use the QoreNodeAsStringHelper class (defined in QoreStringNode.h) instead of using these functions directly
60  returns -1 for exception raised, 0 = OK
61  */
62  DLLLOCAL virtual int getAsString(QoreString& str, int foff, ExceptionSink* xsink) const {
63  str.sprintf("new operator expression (class '%s')", oc ? oc->getName() : name ? name->ostr : "<null>", this);
64  return 0;
65  }
66 
67  // if del is true, then the returned QoreString * should be deleted, if false, then it must not be
68  DLLLOCAL virtual QoreString* getAsString(bool& del, int foff, ExceptionSink* xsink) const {
69  del = true;
70  QoreString* rv = new QoreString;
71  getAsString(*rv, foff, xsink);
72  return rv;
73  }
74 
75  // returns the data type
76  DLLLOCAL virtual qore_type_t getType() const {
77  return NT_SCOPE_REF;
78  }
79 
80  // returns the type name as a c string
81  DLLLOCAL virtual const char* getTypeName() const {
82  return "new object call";
83  }
84 
85  // returns the description
86  DLLLOCAL virtual const char* getName() const {
87  return desc.getBuffer();
88  }
89 
90 protected:
91  // WARNING: pay attention when subclassing; this method must also be implemented in the subclass
92  DLLLOCAL virtual QoreValue evalImpl(bool& needs_deref, ExceptionSink* xsink) const;
93 
94  DLLLOCAL virtual const QoreTypeInfo* getTypeInfo() const {
95  return oc ? oc->getTypeInfo() : objectTypeInfo;
96  }
97 };
98 
99 #endif
container for holding Qore-language exception information and also for registering a "thread_exit" ca...
Definition: ExceptionSink.h:48
defines a Qore-language class
Definition: QoreClass.h:249
DLLEXPORT const QoreTypeInfo * getTypeInfo() const
returns the type information structure for this class
DLLEXPORT const char * getName() const
returns the class name
Qore's string type supported by the QoreEncoding class.
Definition: QoreString.h:93
DLLEXPORT int sprintf(const char *fmt,...)
this will concatentate a formatted string to the existing string according to the format string and t...
DLLEXPORT const char * getBuffer() const
returns the string's buffer; this data should not be changed
int16_t qore_type_t
used to identify unique Qore data and parse types (descendents of AbstractQoreNode)
Definition: common.h:70
const qore_type_t NT_SCOPE_REF
type value for ScopedObjectCallNode
Definition: node_types.h:61
The main value class in Qore, designed to be passed by value.
Definition: QoreValue.h:275