Annotation of parser3/src/include/pa_memory.h, revision 1.1.2.9.2.10
1.1.2.1 paf 1: /** @file
2: Parser: memory reference counting classes decls.
3:
4: Copyright (c) 2001-2003 ArtLebedev Group (http://www.artlebedev.com)
5:
6: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
7: */
8:
9: #ifndef PA_MEMORY_H
10: #define PA_MEMORY_H
11:
1.1.2.9.2.10! paf 12: static const char* IDENT_MEMORY_H="$Date: 2003/03/24 09:39:55 $";
1.1.2.9 paf 13:
14: #define PA_DEBUG_REFERENCES
1.1.2.1 paf 15:
16: // include
17:
18: #include "pa_config_includes.h"
1.1.2.9.2.1 paf 19: #include "gc.h"
20:
1.1.2.1 paf 21:
22: #ifdef XML
23: # include "gdome.h"
24: // for xmlChar
25: # include "libxml/tree.h"
26: #endif
27:
28: // forwards
29:
1.1.2.9.2.5 paf 30: void *pa_fail_alloc(const char* what, size_t size);
1.1.2.2 paf 31:
32: // inlines
33:
34: inline void *pa_malloc(size_t size) {
1.1.2.9.2.1 paf 35: if(void *result=GC_MALLOC(size))
1.1.2.2 paf 36: return result;
37:
38: return pa_fail_alloc("allocate", size);
39: }
40:
1.1.2.9.2.1 paf 41: inline void *pa_malloc_atomic(size_t size) {
42: if(void *result=GC_MALLOC_ATOMIC(size))
1.1.2.2 paf 43: return result;
44:
45: return pa_fail_alloc("allocate clean", size);
46: }
1.1.2.9.2.4 paf 47: /// @a length may be null, which mean "autocalc it"
1.1.2.9.2.5 paf 48: inline char *pa_strdup(const char* auto_variable_never_null, size_t length=0) {
1.1.2.9.2.4 paf 49: if(!length)
50: length=strlen(auto_variable_never_null);
1.1.2.9.2.7 paf 51: if(!length)
52: abort();
53:
54: size_t size=length+1;
1.1.2.9.2.4 paf 55: if(char *result=static_cast<char*>(GC_MALLOC_ATOMIC(size))) {
1.1.2.9.2.7 paf 56: memcpy(result, auto_variable_never_null, length);
57: result[length]=0;
1.1.2.9.2.4 paf 58: return result;
59: }
60:
61: return static_cast<char*>(pa_fail_alloc("allocate clean", size));
62: }
1.1.2.9.2.10! paf 63: char* pa_format_integer(int value);
! 64:
1.1.2.2 paf 65: inline void pa_free(void *ptr) {
1.1.2.9.2.1 paf 66: GC_FREE(ptr);
1.1.2.2 paf 67: }
68:
69: inline void *pa_realloc(void *ptr, size_t size) {
1.1.2.9.2.1 paf 70: if(void *result=GC_REALLOC(ptr, size))
1.1.2.2 paf 71: return result;
72:
73: return pa_fail_alloc("reallocate to", size);
74: }
1.1.2.1 paf 75:
1.1.2.9.2.4 paf 76: //{@ these operators are disabled, one should explicitely specify either new(UseGC) or new(PointerFreeGC)
1.1.2.9.2.6 paf 77: inline void *operator new(size_t size) { abort(); } // disabled
78: inline void operator delete (void *ptr) { abort(); } // disabled
79: inline void *operator new[] (size_t size) { abort(); } // disabled
1.1.2.9.2.4 paf 80: //}@
1.1.2.9.2.3 paf 81:
82: #define UseGC ((int)1)
83: #define PointerFreeGC (true)
84:
85: inline void *operator new[] (size_t size, int) { // UseGC
86: return pa_malloc(size);
87: }
88: inline void *operator new[] (size_t size, bool) { // PointerFreeGC
1.1.2.9.2.1 paf 89: return pa_malloc_atomic(size);
1.1.2.1 paf 90: }
91: inline void operator delete[] (void *ptr) {
92: pa_free(ptr);
93: }
94:
1.1.2.9.2.1 paf 95: /// memory allocation/dallocation goes via pa_malloc/pa_free.
1.1.2.1 paf 96: class PA_Allocated {
97: public:
98: /// the sole: instances allocated using our functions
99: static void *operator new(size_t size) {
100: return pa_malloc(size);
101: }
102: static void operator delete(void *ptr) {
103: pa_free(ptr);
104: }
105: static void *malloc(size_t size) {
106: return pa_malloc(size);
107: }
1.1.2.9.2.1 paf 108: static void *malloc_atomic(size_t size) {
109: return pa_malloc_atomic(size);
1.1.2.9.2.8 paf 110: }
111: static char *strdup(const char* auto_variable_never_null, size_t length=0) {
112: return pa_strdup(auto_variable_never_null, length);
1.1.2.1 paf 113: }
114: static void free(void *ptr) {
115: pa_free(ptr);
116: }
117: static void *realloc(void *ptr, size_t size) {
118: return pa_realloc(ptr, size);
119: }
1.1.2.9.2.2 paf 120:
121: private: // disabled from accidental use
122:
1.1.2.9.2.9 paf 123: /// use malloc/malloc_atomic instead [GC clears result of those]
1.1.2.9.2.2 paf 124: static void *calloc(size_t size);
1.1.2.1 paf 125:
126: };
127:
1.1.2.9.2.1 paf 128: /// Base for all Parser classes
129: typedef PA_Allocated PA_Object;
1.1.2.1 paf 130:
1.1.2.9.2.6 paf 131: // defines
132:
133: #define override
134: #define rethrow throw
1.1.2.9.2.10! paf 135:
1.1.2.1 paf 136:
137: #endif
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