Annotation of parser3/src/main/pa_globals.C, revision 1.183
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.177 paf 4: Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com)
1.113 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.133 paf 6: */
1.16 paf 7:
1.183 ! misha 8: static const char * const IDENT_GLOBALS_C="$Date: 2008-07-23 14:07:33 $";
1.1 paf 9:
1.102 paf 10: #include "pa_config_includes.h"
11:
12: #ifdef XML
1.157 paf 13: #include "libxml/xmlversion.h"
1.102 paf 14: #include "libxslt/extensions.h"
15: #include "libxslt/xsltutils.h"
1.116 paf 16: extern "C" {
1.102 paf 17: #include "libexslt/exslt.h"
1.116 paf 18: };
1.102 paf 19: #endif
20:
1.1 paf 21: #include "pa_globals.h"
1.32 paf 22: #include "pa_string.h"
1.83 parser 23: #include "pa_sapi.h"
1.101 paf 24: #include "pa_threads.h"
1.162 paf 25: #include "pa_xml_io.h"
1.163 paf 26: #include "pa_common.h"
1.70 parser 27:
1.164 paf 28: #include "pa_cache_managers.h"
29:
1.182 misha 30: #include "pcre.h"
31:
1.157 paf 32: // defines
1.155 paf 33:
1.157 paf 34: //#define PA_DEBUG_XML_GC_MEMORY
1.95 paf 35:
1.178 paf 36: //20051130 trying to remove this, author claims that fixed a lot there // 20040920 for now both workarounds needed. wait for new libxml/xsl versions
37: // // there is a problem with testcase, it's unstable.
38: // // see paf@six/bug20040920/cgi-bin/t for it-showed-bug-on-20040920-day
39: // #define PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
40: // #define PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
1.175 paf 41:
1.157 paf 42: // globals
1.32 paf 43:
1.5 paf 44: short hex_value[0x100];
1.111 paf 45:
1.5 paf 46: static void setup_hex_value() {
1.68 parser 47: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 48: hex_value['0'] = 0;
49: hex_value['1'] = 1;
50: hex_value['2'] = 2;
51: hex_value['3'] = 3;
52: hex_value['4'] = 4;
53: hex_value['5'] = 5;
54: hex_value['6'] = 6;
55: hex_value['7'] = 7;
56: hex_value['8'] = 8;
57: hex_value['9'] = 9;
58: hex_value['A'] = 10;
59: hex_value['B'] = 11;
60: hex_value['C'] = 12;
61: hex_value['D'] = 13;
62: hex_value['E'] = 14;
63: hex_value['F'] = 15;
64: hex_value['a'] = 10;
65: hex_value['b'] = 11;
66: hex_value['c'] = 12;
67: hex_value['d'] = 13;
68: hex_value['e'] = 14;
69: hex_value['f'] = 15;
70: }
1.1 paf 71:
1.162 paf 72:
73: Hash<pa_thread_t, Request*> thread_request;
74: void pa_register_thread_request(Request& r) {
75: thread_request.put(pa_get_thread_id(), &r);
76: }
77: /// retrives request set by pa_set_request function, useful in contextless places [slow]
78: Request& pa_thread_request() {
79: return *thread_request.get(pa_get_thread_id());
80: }
1.176 paf 81:
82: #ifdef PA_RELEASE_ASSERTS
83: void pa_release_assert(const char* str, const char* file, int line) {
84: SAPI::die("%s at %s:%d", str, file, line);
85: }
86: #endif
87:
1.162 paf 88:
1.99 paf 89: #ifdef XML
1.101 paf 90:
1.157 paf 91: class XML_Generic_error_info {
1.173 paf 92: public:/*internal, actually*/
1.166 paf 93: char buf[MAX_STRING*5];
1.157 paf 94: size_t used;
95: public:
96: XML_Generic_error_info() {
97: buf[used=0]=0;
98: }
1.173 paf 99: const char* get() {
100: return used? buf: 0;
1.157 paf 101: }
1.162 paf 102: };
1.101 paf 103:
1.172 paf 104: static Hash<pa_thread_t, XML_Generic_error_info*> xml_generic_error_infos;
1.101 paf 105:
1.162 paf 106: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
107: //_asm int 3;
1.157 paf 108: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 109:
1.172 paf 110: XML_Generic_error_info* p;
111: {
1.101 paf 112: SYNCHRONIZED; // find+fill blocked
113:
114: // first try to get existing for this thread_id
1.172 paf 115: p=xml_generic_error_infos.get(thread_id);
1.162 paf 116: if(!p) // occupy empty one
117: xml_generic_error_infos.put(thread_id, (p=new(PointerFreeGC) XML_Generic_error_info));
1.172 paf 118: }
1.101 paf 119:
1.172 paf 120: va_list args;
121: va_start(args, msg);
122: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
123: va_end(args);
1.101 paf 124: }
125:
1.102 paf 126: bool xmlHaveGenericErrors() {
1.157 paf 127: pa_thread_t thread_id=pa_get_thread_id();
1.102 paf 128:
129: SYNCHRONIZED; // find blocked
130:
1.162 paf 131: return xml_generic_error_infos.get(thread_id)!=0;
1.102 paf 132: }
133:
1.157 paf 134: const char* xmlGenericErrors() {
135: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 136:
137: SYNCHRONIZED; // find+free blocked
138:
1.173 paf 139: if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id)) {
140: xml_generic_error_infos.remove(thread_id);
141: return p->get();
142: }
1.110 paf 143:
1.162 paf 144: return 0; // no errors for our thread_id registered
1.150 paf 145: }
146:
1.99 paf 147: #endif
148:
1.83 parser 149: void pa_globals_destroy(void *) {
1.180 paf 150: /*
1.83 parser 151: try {
1.96 paf 152: #ifdef XML
153: #endif
1.180 paf 154: } catch(.../*const Exception& e* /) {
1.160 paf 155: // SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 156: }
1.180 paf 157: */
1.83 parser 158: }
159:
160:
1.157 paf 161: #ifdef XML
162:
163: static char *pa_GC_strdup(const char *s) {
164: if(!s)
165: return 0;
166:
167: size_t size=strlen(s)+1;
1.170 paf 168: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.159 paf 169: if(!result)
170: SAPI::abort("out of memory (while duplicating XML string [size=%d])", size);
171:
1.157 paf 172: memcpy(result, s, size);
1.170 paf 173: #ifdef PA_DEBUG_XML_GC_MEMORY
174: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
175: #endif
1.157 paf 176: return result;
177: }
178:
179: #ifdef PA_DEBUG_XML_GC_MEMORY
1.175 paf 180: void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0,
1.157 paf 181: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
182: bool pa_looked(void*p) {
183: for(int i=0; i<8; i++)
1.175 paf 184: if(pa_look_for[i]==p) {
185: __asm__("int $3");
1.157 paf 186: return true;
1.175 paf 187: }
188: if((((int)p)&~0xFF)==0x89a7700) {
189: __asm__("int $3");
190: return true;
191: }
1.157 paf 192: return false;
193: }
194: static void* pa_gc_malloc_log(size_t size){
195: void *p=pa_gc_malloc(size);
196: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
1.175 paf 197: if(pa_looked(p))
198: fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
1.157 paf 199: return p;
200:
201: }
202: static void* pa_gc_malloc_atomic_log(size_t size){
1.175 paf 203: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
204: void *p=pa_gc_malloc(size);
205: fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p);
206: #else
1.157 paf 207: void *p=pa_gc_malloc_atomic(size);
208: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
1.175 paf 209: #endif
210: if(pa_looked(p))
211: fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
1.157 paf 212: return p;
213: }
214: static void* pa_gc_realloc_log(void *ptr, size_t size){
215: void *p=pa_gc_realloc(ptr, size);
216: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
1.175 paf 217: if(pa_looked(p))
218: fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
1.157 paf 219: return p;
220: }
221: static void pa_gc_free_log(void *p){
1.175 paf 222: #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
223: fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p);
224: #else
1.157 paf 225: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
1.175 paf 226: #endif
227: if(pa_looked(p))
228: fprintf(stderr,"catched debug free(0x%p)\n", p);
229: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
1.157 paf 230: pa_gc_free(p);
1.175 paf 231: #endif
1.157 paf 232: }
1.159 paf 233: #else
234:
235: inline void *check(void *result, const char *where, size_t size) {
236: if(!result)
237: SAPI::abort("out of memory (while %s [size=%d])", where, size);
238:
239: return result;
240: }
241: static void* pa_gc_malloc_nonull(size_t size) {
242: return check(pa_gc_malloc(size), "allocating XML compsite memory", size);
243: }
244: static void* pa_gc_malloc_atomic_nonull(size_t size) {
1.175 paf 245: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
246: return check(pa_gc_malloc(size), "allocating XML composite memory (asked atomic)", size);
247: #else
1.159 paf 248: return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size);
1.175 paf 249: #endif
1.159 paf 250: }
251: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
252: return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size);
253: }
254:
1.175 paf 255: static void pa_gc_free_maybeignore(
256: void*
257: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
258: ptr
259: #endif
260: ) {
261: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
262: pa_gc_free(ptr);
263: #endif
264: }
265:
1.157 paf 266: #endif
267: #endif
268:
269: void pa_CORD_oom_fn(void) {
270: SAPI::abort("out of memory (while expanding string)");
271: }
272:
273: /**
274: @todo gc: libltdl: substitute lt_dlmalloc & co
275: */
276: static void gc_substitute_memory_management_functions() {
277: // in libxml & libxslt
278: #ifdef XML
279: // asking to use GC memory
280: #if LIBXML_VERSION >= 20507
281: #ifdef PA_DEBUG_XML_GC_MEMORY
282: xmlGcMemSetup(
283: /*xmlFreeFunc */pa_gc_free_log,
284: /*xmlMallocFunc */pa_gc_malloc_log,
285: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
286: /*xmlReallocFunc */pa_gc_realloc_log,
287: /*xmlStrdupFunc */pa_GC_strdup);
288: #else
289: xmlGcMemSetup(
1.175 paf 290: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.159 paf 291: /*xmlMallocFunc */pa_gc_malloc_nonull,
292: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
293: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 294: /*xmlStrdupFunc */pa_GC_strdup);
295: #endif
1.32 paf 296:
1.157 paf 297: #else
298: xmlMemSetup(
1.175 paf 299: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.157 paf 300: /*xmlMallocFunc */pa_gc_malloc,
301: /*xmlReallocFunc */pa_gc_realloc,
302: /*xmlStrdupFunc */pa_GC_strdup);
303: #endif
1.5 paf 304:
1.157 paf 305: #endif
1.141 paf 306:
1.157 paf 307: // pcre
1.183 ! misha 308: pcre_malloc=pa_gc_malloc;
! 309: pcre_free=pa_gc_free;
1.135 paf 310:
1.1 paf 311:
1.157 paf 312: // cord
313: CORD_oom_fn=pa_CORD_oom_fn;
314: }
1.88 paf 315:
1.157 paf 316: /**
317: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
318: */
319: void pa_globals_init() {
1.164 paf 320: // global variables
321: cache_managers=new Cache_managers;
322:
323:
1.157 paf 324: // in various libraries
325: gc_substitute_memory_management_functions();
1.101 paf 326:
1.157 paf 327: // hex value
328: setup_hex_value();
1.74 parser 329:
1.76 parser 330: #ifdef XML
1.96 paf 331: // initializing xml libs
332:
1.157 paf 333: /*
334: * Register the EXSLT extensions and the test module
335: */
336: exsltRegisterAll();
337: xsltRegisterTestModule();
338: xmlDefaultSAXHandlerInit();
339: /*
340: * disable CDATA from being built in the document tree
341: */
342: // never added yet xmlDefaultSAXHandler.cdataBlock = NULL;
343:
1.99 paf 344: /*
345: * Initialization function for the XML parser.
346: * This is not reentrant. Call once before processing in case of
347: * use in multithreaded programs.
348: */
349: xmlInitParser();
1.107 paf 350:
351: // 1. this is needed for proper parsing of stylesheets
352: // there were a situation where honest entity ruined innocent xpath compilation
353: // doc says "you sould turn it on on stylesheet load" without deepening into details
354: // 2. when dom tree with entites goes under transform text nodes
355: // got [erroreosly] cut on first entity occurance
1.109 paf 356: // --
1.107 paf 357: // that is why this is:
358: xmlSubstituteEntitiesDefault(1);
1.100 paf 359:
360: // Bit in the loadsubset context field to tell to do ID/REFs lookups
361: xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS;
362: // Bit in the loadsubset context field to tell to do complete the elements attributes lists
363: // with the ones defaulted from the DTDs
1.157 paf 364: xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS;
1.138 paf 365:
366: // validate each document after load/create (?)
367: //xmlDoValidityCheckingDefaultValue = 1;
1.99 paf 368:
1.104 paf 369: //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1);
1.105 paf 370: // never switched this on xmlIndentTreeOutput=1;
1.104 paf 371:
1.101 paf 372: xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.102 paf 373: xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc);
1.105 paf 374: // FILE *f=fopen("y:\\xslt.log", "wt");
375: // xsltSetGenericDebugFunc(f/*stderr*/, 0);
1.110 paf 376:
1.162 paf 377: pa_xml_io_init();
1.157 paf 378: #endif
1.174 paf 379: }
380:
381: void pa_globals_done() {
382: delete cache_managers; cache_managers=0;
1.157 paf 383: }
384:
385: #ifdef _MSC_VER
386:
387: #ifndef PA_DEBUG_DISABLE_GC
388: # define GC_LIB "../../../../win32/gc"
389: # ifdef _DEBUG
390: # pragma comment(lib, GC_LIB "/Debug/gc.lib")
391: # else
392: # pragma comment(lib, GC_LIB "/Release/gc.lib")
393: # endif
1.96 paf 394:
1.76 parser 395: #endif
396:
1.181 paf 397: #define GNOME_LIBS "../../../../win32/gnome"
398:
399: #ifdef WITH_MAILRECEIVE
400: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
401: #endif
402:
1.157 paf 403: #ifdef XML
1.76 parser 404: # ifdef _DEBUG
1.157 paf 405:
406: # ifdef LIBXML_STATIC
1.168 paf 407: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 408: # else
1.168 paf 409: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 410: # endif
411:
412: # ifdef LIBXSLT_STATIC
1.168 paf 413: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 414: # else
1.168 paf 415: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 416: # endif
417: # ifdef LIBEXSLT_STATIC
1.168 paf 418: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 419: # else
1.168 paf 420: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 421: # endif
422:
423: #else
424:
425: # ifdef LIBXML_STATIC
1.168 paf 426: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 427: # else
1.168 paf 428: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 429: # endif
430:
431: # ifdef LIBXSLT_STATIC
1.168 paf 432: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 433: # else
1.168 paf 434: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 435: # endif
436: # ifdef LIBEXSLT_STATIC
1.168 paf 437: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 438: # else
1.168 paf 439: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 440: # endif
441:
1.85 paf 442: # endif
1.157 paf 443: #endif
444:
1.85 paf 445: #endif
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