Qore Programming Language  1.10.0
common.h
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1 /* -*- mode: c++; indent-tabs-mode: nil -*- */
2 /*
3  common.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"),
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_COMMON_H
33 
34 #define _QORE_COMMON_H
35 
40 #include <algorithm>
41 #include <cinttypes>
42 #include <cstdarg>
43 #include <cstddef>
44 #include <cstdlib>
45 #include <cstring>
46 #include <functional>
47 #include <list>
48 #include <set>
49 #include <set>
50 #include <string>
51 #include <strings.h>
52 #include <vector>
53 
55 class QoreTypeInfo;
56 
58 #define Q_AF_UNSPEC -1
59 
61 #define Q_AF_INET -2
62 
64 #define Q_AF_INET6 -3
65 
67 #define Q_SOCK_STREAM -1
68 
70 typedef int16_t qore_type_t;
71 
73 typedef size_t qore_size_t;
74 
76 typedef intptr_t qore_offset_t;
77 
79 typedef unsigned qore_classid_t;
80 
82 typedef std::set<int> int_set_t;
83 
86  QL_GPL = 0,
87  QL_LGPL = 1,
88  QL_MIT = 2
89 };
90 
91 // class access values
92 enum ClassAccess : unsigned char {
93  Public = 0, // publicly accessible
94  Private = 1, // accessible only in the class hierarchy (like c++'s 'protected')
95  Internal = 2, // accessible only in the class itself
96  Inaccessible = 3, // not accessible from the class
97 };
98 
99 #if defined _MSC_VER || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__)
100 #define _Q_WINDOWS 1
101 #ifdef _WIN64
102 #define _Q_WINDOWS64 1
103 #endif
104 #endif
105 
106 #ifdef _Q_WINDOWS
107  #ifdef BUILDING_DLL
108  #define DLLEXPORT __declspec(dllexport)
109  #else
110  #define DLLEXPORT __declspec(dllimport)
111  #endif
112  #define DLLLOCAL
113 
114  #define QLLD "%I64d"
115  #define QLLX "%I64x"
116  #define QLLDx(a) "%" #a "I64d"
117  #define QORE_DIR_SEP '\\'
118  #define QORE_DIR_SEP_STR "\\"
119  #define QORE_PATH_SEP ';'
120  #define QORE_PATH_SEP_STR ";"
121  #include <winsock2.h>
122 #else
123  #ifdef HAVE_GCC_VISIBILITY
124  #define DLLEXPORT __attribute__ ((visibility("default")))
125  #define DLLLOCAL __attribute__ ((visibility("hidden")))
126  #else
127  #define DLLEXPORT
128  #define DLLLOCAL
129  #endif
130  #define QLLD "%lld"
131  #define QLLX "%llx"
132  #define QLLDx(a) "%" #a "lld"
133  #define QORE_DIR_SEP '/'
134  #define QORE_DIR_SEP_STR "/"
135  #define QORE_PATH_SEP ':'
136  #define QORE_PATH_SEP_STR ":"
137 #endif
138 
139 #define _Q_MAKE_STRING(x) #x
140 #define MAKE_STRING_FROM_SYMBOL(x) _Q_MAKE_STRING(x)
141 
142 // forward references
143 class AbstractQoreNode;
144 class QoreListNode;
145 class ExceptionSink;
146 class QoreObject;
147 class AbstractPrivateData;
148 class QoreMethod;
149 class QoreBuiltinMethod;
150 class QoreClass;
151 class TypedHashDecl;
152 class QoreExternalFunction;
153 class QoreExternalGlobalVar;
155 class QoreNamespace;
156 class QoreHashNode;
157 
158 hashdecl QoreValue;
159 
160 typedef std::vector<const QoreClass*> class_vec_t;
161 typedef std::vector<std::pair<const TypedHashDecl*, const QoreNamespace*>> hashdecl_vec_t;
162 typedef std::vector<const QoreExternalFunction*> func_vec_t;
163 typedef std::vector<const QoreNamespace*> ns_vec_t;
164 typedef std::vector<std::pair<const QoreExternalGlobalVar*, const QoreNamespace*>> gvar_vec_t;
165 typedef std::vector<std::pair<const QoreExternalConstant*, const QoreNamespace*>> const_vec_t;
166 
168 template <typename T> hashdecl free_ptr {
169  DLLLOCAL void operator()(T* ptr) {
170  free(ptr);
171  }
172 };
173 
175 template <typename T> hashdecl simple_delete {
176  DLLLOCAL void operator()(T* ptr) {
177  delete ptr;
178  }
179 };
180 
182 template <typename T> hashdecl simple_deref {
183  DLLLOCAL void operator()(T* ptr) {
184  ptr->deref();
185  }
186  DLLLOCAL void operator()(T* ptr, ExceptionSink* xsink) {
187  ptr->deref(xsink);
188  }
189 };
190 
192 class ltstr {
193 public:
194  DLLLOCAL bool operator()(const char* s1, const char* s2) const {
195  return strcmp(s1, s2) < 0;
196  }
197 };
198 
200 class ltcstrcase {
201 public:
202  DLLLOCAL bool operator()(const char* s1, const char* s2) const {
203  return strcasecmp(s1, s2) < 0;
204  }
205 };
206 
208 class ltstrcase {
209 public:
210  DLLLOCAL bool operator()(std::string s1, std::string s2) const {
211  return strcasecmp(s1.c_str(), s2.c_str()) < 0;
212  }
213 };
214 
215 class eqstr {
216 public:
217  DLLLOCAL bool operator()(const char* s1, const char* s2) const {
218  return !strcmp(s1, s2);
219  }
220 };
221 
222 class eqstrcase {
223 public:
224  DLLLOCAL bool operator()(const char* s1, const char* s2) const {
225  return !strcasecmp(s1, s2);
226  }
227 };
228 
230 class ltchar {
231 public:
232  DLLLOCAL bool operator()(const char s1, const char s2) const {
233  return s1 < s2;
234  }
235 };
236 
238 class cstr_vector_t : public std::vector<char*> {
239 public:
240  DLLLOCAL ~cstr_vector_t() {
241  clear();
242  }
243 
244  DLLLOCAL void clear() {
245  std::for_each(begin(), end(), free_ptr<char>());
246  std::vector<char*>::clear();
247  }
248 };
249 
251 typedef std::vector<const QoreTypeInfo*> type_vec_t;
252 
254 typedef std::vector<QoreValue> arg_vec_t;
255 
257 typedef std::vector<std::string> name_vec_t;
258 
260 typedef long long int64;
261 
263 typedef uint64_t q_rt_flags_t;
264 
266 
269 public:
271  DLLLOCAL int serializeObject(const QoreObject& obj, std::string& index, ExceptionSink* xsink);
272 
274  DLLLOCAL QoreValue serializeValue(const QoreValue val, ExceptionSink* xsink);
275 
277  DLLLOCAL void addModule(const char* module);
278 
279 private:
281  DLLLOCAL QoreSerializationContext();
282 };
283 
285 
288 public:
290  DLLLOCAL QoreObject* deserializeObject(const char* index, ExceptionSink* xsink);
291 
293  DLLLOCAL QoreValue deserializeValue(const QoreValue val, ExceptionSink* xsink);
294 
295 private:
297  DLLLOCAL QoreDeserializationContext();
298 };
299 
301 
307 typedef QoreValue (*q_func_n_t)(const QoreListNode* args, q_rt_flags_t flags, ExceptionSink* xsink);
308 
310 
319 typedef QoreValue (*q_external_func_t)(const void* ptr, const QoreListNode* args, q_rt_flags_t flags, ExceptionSink* xsink);
320 
322 
330 typedef QoreValue (*q_method_n_t)(QoreObject* self, AbstractPrivateData* private_data, const QoreListNode* args, q_rt_flags_t flags, ExceptionSink* xsink);
331 
333 
345 typedef QoreValue (*q_external_method_t)(const QoreMethod& method, const void* ptr, QoreObject* self, AbstractPrivateData* private_data, const QoreListNode* args, q_rt_flags_t flags, ExceptionSink* xsink);
346 
348 
358 typedef QoreValue (*q_external_static_method_t)(const QoreMethod& method, const void* ptr, const QoreListNode* args, q_rt_flags_t flags, ExceptionSink* xsink);
359 
361 
366 typedef void (*q_constructor_n_t)(QoreObject* self, const QoreListNode* args, q_rt_flags_t rtflags, ExceptionSink* xsink);
367 
369 
378 typedef void (*q_external_constructor_t)(const QoreMethod& method, const void* ptr, QoreObject* self, const QoreListNode* args, q_rt_flags_t rtflags, ExceptionSink* xsink);
379 
381 
390 typedef void (*q_system_constructor_t)(QoreObject* self, int code, va_list args);
391 
393 
398 typedef void (*q_destructor_t)(QoreObject* self, AbstractPrivateData* private_data, ExceptionSink* xsink);
399 
401 
408 typedef void (*q_external_destructor_t)(const QoreClass& thisclass, const void* ptr, QoreObject* self, AbstractPrivateData* private_data, ExceptionSink* xsink);
409 
411 
417 typedef void (*q_copy_t)(QoreObject* self, QoreObject* old, AbstractPrivateData* private_data, ExceptionSink* xsink);
418 
420 
428 typedef void (*q_external_copy_t)(const QoreClass& thisclass, const void* ptr, QoreObject* self, QoreObject* old, AbstractPrivateData* private_data, ExceptionSink* xsink);
429 
431 
438 typedef QoreHashNode* (*q_serializer_t)(const QoreObject& self, const AbstractPrivateData& data, QoreSerializationContext& context, ExceptionSink* xsink);
439 
441 
450 typedef void (*q_deserializer_t)(QoreObject& self, const QoreHashNode* sdata, QoreDeserializationContext& context, ExceptionSink* xsink);
451 
453 
455 typedef unsigned q_trid_t;
456 
458 DLLEXPORT long long q_atoll(const char* str);
459 
461 
463 DLLEXPORT const char* type_get_name(const QoreTypeInfo* t);
464 
465 #endif // _QORE_COMMON_H
the base class for all data to be used as private data of Qore objects
Definition: AbstractPrivateData.h:44
The base class for all value and parse types in Qore expression trees.
Definition: AbstractQoreNode.h:57
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:239
deserialization context object used in builtin deserializer methods
Definition: common.h:287
DLLLOCAL QoreObject * deserializeObject(const char *index, ExceptionSink *xsink)
returns the object corresponding to the given object serialization index, throws a Qore-language exce...
DLLLOCAL QoreValue deserializeValue(const QoreValue val, ExceptionSink *xsink)
deserializes the given data value and returns the deserialized value, throws a Qore-language exceptio...
external wrapper class for constants
Definition: QoreReflection.h:200
This is the hash or associative list container type in Qore, dynamically allocated only,...
Definition: QoreHashNode.h:50
This is the list container type in Qore, dynamically allocated only, reference counted.
Definition: QoreListNode.h:52
a method in a QoreClass
Definition: QoreClass.h:125
contains constants, classes, and subnamespaces in QoreProgram objects
Definition: QoreNamespace.h:65
the implementation of Qore's object data type, reference counted, dynamically-allocated only
Definition: QoreObject.h:60
serialization context object used in builtin serializer methods
Definition: common.h:268
DLLLOCAL void addModule(const char *module)
adds a module to be loaded when the data is deserialized
DLLLOCAL int serializeObject(const QoreObject &obj, std::string &index, ExceptionSink *xsink)
serializes the given object and return the serialization index, throws a Qore-language exception if t...
DLLLOCAL QoreValue serializeValue(const QoreValue val, ExceptionSink *xsink)
serializes the given value and returns a serialized value representing the value to be serialized,...
typed hash declaration
Definition: TypedHashDecl.h:44
non-thread-safe vector for storing "char*" that you want to delete
Definition: common.h:238
for char less-than comparisons
Definition: common.h:230
for simple c-string case-insensitive less-than comparisons
Definition: common.h:200
for simple c-string less-than comparisons
Definition: common.h:192
for std::string case-insensitive less-than comparisons
Definition: common.h:208
QoreValue(* q_external_method_t)(const QoreMethod &method, const void *ptr, QoreObject *self, AbstractPrivateData *private_data, const QoreListNode *args, q_rt_flags_t flags, ExceptionSink *xsink)
the type used for builtin QoreClass method signatures
Definition: common.h:345
void(* q_external_destructor_t)(const QoreClass &thisclass, const void *ptr, QoreObject *self, AbstractPrivateData *private_data, ExceptionSink *xsink)
the type used for builtin QoreClass destructor signatures with the new generic calling convention and...
Definition: common.h:408
int16_t qore_type_t
used to identify unique Qore data and parse types (descendents of AbstractQoreNode)
Definition: common.h:70
uint64_t q_rt_flags_t
runtime code execution flags
Definition: common.h:263
DLLEXPORT long long q_atoll(const char *str)
returns an integer value for a string
QoreValue(* q_external_static_method_t)(const QoreMethod &method, const void *ptr, const QoreListNode *args, q_rt_flags_t flags, ExceptionSink *xsink)
the type used for external static methods
Definition: common.h:358
QoreValue(* q_func_n_t)(const QoreListNode *args, q_rt_flags_t flags, ExceptionSink *xsink)
the type used for builtin function signatures
Definition: common.h:307
void(* q_copy_t)(QoreObject *self, QoreObject *old, AbstractPrivateData *private_data, ExceptionSink *xsink)
the type used for builtin QoreClass copy signatures
Definition: common.h:417
void(* q_system_constructor_t)(QoreObject *self, int code, va_list args)
the type used for builtin QoreClass system constructor method signatures
Definition: common.h:390
QoreValue(* q_method_n_t)(QoreObject *self, AbstractPrivateData *private_data, const QoreListNode *args, q_rt_flags_t flags, ExceptionSink *xsink)
the type used for builtin QoreClass method signatures
Definition: common.h:330
std::set< int > int_set_t
set of integers
Definition: common.h:82
void(* q_external_constructor_t)(const QoreMethod &method, const void *ptr, QoreObject *self, const QoreListNode *args, q_rt_flags_t rtflags, ExceptionSink *xsink)
the type used for builtin QoreClass constructor method signatures
Definition: common.h:378
std::vector< const QoreTypeInfo * > type_vec_t
vector of type information for parameter lists
Definition: common.h:251
DLLEXPORT const char * type_get_name(const QoreTypeInfo *t)
returns the type name for an opaqua QoreTypeInfo ptr
unsigned q_trid_t
type for thread resource IDs (unique within a single running qore library process)
Definition: common.h:455
qore_license_t
qore library and module license type identifiers
Definition: common.h:85
@ QL_GPL
code to be used under the GPL license
Definition: common.h:86
@ QL_LGPL
code to be used under the LGPL license
Definition: common.h:87
@ QL_MIT
code to be used under the MIT license
Definition: common.h:88
void(* q_destructor_t)(QoreObject *self, AbstractPrivateData *private_data, ExceptionSink *xsink)
the type used for builtin QoreClass destructor signatures
Definition: common.h:398
void(* q_external_copy_t)(const QoreClass &thisclass, const void *ptr, QoreObject *self, QoreObject *old, AbstractPrivateData *private_data, ExceptionSink *xsink)
the type used for builtin QoreClass copy signatures with the new generic calling convention
Definition: common.h:428
unsigned qore_classid_t
used for the unique class ID for QoreClass objects
Definition: common.h:79
std::vector< std::string > name_vec_t
vector of parameter names for parameter lists
Definition: common.h:257
void(* q_deserializer_t)(QoreObject &self, const QoreHashNode *sdata, QoreDeserializationContext &context, ExceptionSink *xsink)
the type used for builtin QoreClass deserializer method signatures
Definition: common.h:450
intptr_t qore_offset_t
used for offsets that could be negative
Definition: common.h:76
size_t qore_size_t
used for sizes (same range as a pointer)
Definition: common.h:73
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:260
QoreValue(* q_external_func_t)(const void *ptr, const QoreListNode *args, q_rt_flags_t flags, ExceptionSink *xsink)
the type used for builtin function signatures for external functions
Definition: common.h:319
void(* q_constructor_n_t)(QoreObject *self, const QoreListNode *args, q_rt_flags_t rtflags, ExceptionSink *xsink)
the type used for builtin QoreClass constructor method signatures
Definition: common.h:366
std::vector< QoreValue > arg_vec_t
vector of value information for default argument lists
Definition: common.h:254
The main value class in Qore, designed to be passed by value.
Definition: QoreValue.h:275
functor template for calling free() on pointers
Definition: common.h:168
functor template for deleting elements
Definition: common.h:175
functor template for dereferencing elements
Definition: common.h:182