Annotation of parser3/src/main/pa_globals.C, revision 1.175
1.15 paf 1: /** @file
1.16 paf 2: Parser: globals.
3:
1.171 paf 4: Copyright (c) 2001-2004 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:
1.175 ! paf 8: static const char * const IDENT_GLOBALS_C="$Date: 2004/04/01 11:43:54 $";
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:
1.157 paf 21: #include "pcre.h"
22:
1.1 paf 23: #include "pa_globals.h"
1.32 paf 24: #include "pa_string.h"
1.83 parser 25: #include "pa_sapi.h"
1.101 paf 26: #include "pa_threads.h"
1.162 paf 27: #include "pa_xml_io.h"
1.163 paf 28: #include "pa_common.h"
1.70 parser 29:
1.164 paf 30: #include "pa_cache_managers.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:
1.175 ! paf 36: // 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
! 41:
1.157 paf 42: // globals
1.32 paf 43:
1.5 paf 44: short hex_value[0x100];
1.111 paf 45:
46: #ifdef XML
47: GdomeDOMImplementation *domimpl;
48: #endif
1.5 paf 49:
50: static void setup_hex_value() {
1.68 parser 51: memset(hex_value, 0, sizeof(hex_value));
1.5 paf 52: hex_value['0'] = 0;
53: hex_value['1'] = 1;
54: hex_value['2'] = 2;
55: hex_value['3'] = 3;
56: hex_value['4'] = 4;
57: hex_value['5'] = 5;
58: hex_value['6'] = 6;
59: hex_value['7'] = 7;
60: hex_value['8'] = 8;
61: hex_value['9'] = 9;
62: hex_value['A'] = 10;
63: hex_value['B'] = 11;
64: hex_value['C'] = 12;
65: hex_value['D'] = 13;
66: hex_value['E'] = 14;
67: hex_value['F'] = 15;
68: hex_value['a'] = 10;
69: hex_value['b'] = 11;
70: hex_value['c'] = 12;
71: hex_value['d'] = 13;
72: hex_value['e'] = 14;
73: hex_value['f'] = 15;
74: }
1.1 paf 75:
1.162 paf 76:
77: Hash<pa_thread_t, Request*> thread_request;
78: void pa_register_thread_request(Request& r) {
79: thread_request.put(pa_get_thread_id(), &r);
80: }
81: /// retrives request set by pa_set_request function, useful in contextless places [slow]
82: Request& pa_thread_request() {
83: return *thread_request.get(pa_get_thread_id());
84: }
85:
1.99 paf 86: #ifdef XML
1.101 paf 87:
1.157 paf 88: class XML_Generic_error_info {
1.173 paf 89: public:/*internal, actually*/
1.166 paf 90: char buf[MAX_STRING*5];
1.157 paf 91: size_t used;
92: public:
93: XML_Generic_error_info() {
94: buf[used=0]=0;
95: }
1.173 paf 96: const char* get() {
97: return used? buf: 0;
1.157 paf 98: }
1.162 paf 99: };
1.101 paf 100:
1.172 paf 101: static Hash<pa_thread_t, XML_Generic_error_info*> xml_generic_error_infos;
1.101 paf 102:
1.162 paf 103: static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) {
104: //_asm int 3;
1.157 paf 105: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 106:
1.172 paf 107: XML_Generic_error_info* p;
108: {
1.101 paf 109: SYNCHRONIZED; // find+fill blocked
110:
111: // first try to get existing for this thread_id
1.172 paf 112: p=xml_generic_error_infos.get(thread_id);
1.162 paf 113: if(!p) // occupy empty one
114: xml_generic_error_infos.put(thread_id, (p=new(PointerFreeGC) XML_Generic_error_info));
1.172 paf 115: }
1.101 paf 116:
1.172 paf 117: va_list args;
118: va_start(args, msg);
119: p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args);
120: va_end(args);
1.101 paf 121: }
122:
1.102 paf 123: bool xmlHaveGenericErrors() {
1.157 paf 124: pa_thread_t thread_id=pa_get_thread_id();
1.102 paf 125:
126: SYNCHRONIZED; // find blocked
127:
1.162 paf 128: return xml_generic_error_infos.get(thread_id)!=0;
1.102 paf 129: }
130:
1.157 paf 131: const char* xmlGenericErrors() {
132: pa_thread_t thread_id=pa_get_thread_id();
1.101 paf 133:
134: SYNCHRONIZED; // find+free blocked
135:
1.173 paf 136: if(XML_Generic_error_info *p=xml_generic_error_infos.get(thread_id)) {
137: xml_generic_error_infos.remove(thread_id);
138: return p->get();
139: }
1.110 paf 140:
1.162 paf 141: return 0; // no errors for our thread_id registered
1.150 paf 142: }
143:
1.99 paf 144: #endif
145:
1.83 parser 146: void pa_globals_destroy(void *) {
147: try {
1.96 paf 148: #ifdef XML
149: GdomeException exc;
150: gdome_di_unref (domimpl, &exc);
1.160 paf 151: // uncomment SAPI::abort below if adding potential-throw code here
1.96 paf 152: #endif
1.83 parser 153: } catch(const Exception& e) {
1.160 paf 154: // SAPI::abort("pa_globals_destroy failed: %s", e.comment());
1.83 parser 155: }
156: }
157:
158:
1.157 paf 159: #ifdef XML
160:
161: static char *pa_GC_strdup(const char *s) {
162: if(!s)
163: return 0;
164:
165: size_t size=strlen(s)+1;
1.170 paf 166: char *result=(char *)GC_MALLOC_ATOMIC(size);
1.159 paf 167: if(!result)
168: SAPI::abort("out of memory (while duplicating XML string [size=%d])", size);
169:
1.157 paf 170: memcpy(result, s, size);
1.170 paf 171: #ifdef PA_DEBUG_XML_GC_MEMORY
172: fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result);
173: #endif
1.157 paf 174: return result;
175: }
176:
177: #ifdef PA_DEBUG_XML_GC_MEMORY
1.175 ! paf 178: void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0,
1.157 paf 179: (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0};
180: bool pa_looked(void*p) {
181: for(int i=0; i<8; i++)
1.175 ! paf 182: if(pa_look_for[i]==p) {
! 183: __asm__("int $3");
1.157 paf 184: return true;
1.175 ! paf 185: }
! 186: if((((int)p)&~0xFF)==0x89a7700) {
! 187: __asm__("int $3");
! 188: return true;
! 189: }
1.157 paf 190: return false;
191: }
192: static void* pa_gc_malloc_log(size_t size){
193: void *p=pa_gc_malloc(size);
194: fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p);
1.175 ! paf 195: if(pa_looked(p))
! 196: fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p);
1.157 paf 197: return p;
198:
199: }
200: static void* pa_gc_malloc_atomic_log(size_t size){
1.175 ! paf 201: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
! 202: void *p=pa_gc_malloc(size);
! 203: fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p);
! 204: #else
1.157 paf 205: void *p=pa_gc_malloc_atomic(size);
206: fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p);
1.175 ! paf 207: #endif
! 208: if(pa_looked(p))
! 209: fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p);
1.157 paf 210: return p;
211: }
212: static void* pa_gc_realloc_log(void *ptr, size_t size){
213: void *p=pa_gc_realloc(ptr, size);
214: fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p);
1.175 ! paf 215: if(pa_looked(p))
! 216: fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p);
1.157 paf 217: return p;
218: }
219: static void pa_gc_free_log(void *p){
1.175 ! paf 220: #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
! 221: fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p);
! 222: #else
1.157 paf 223: fprintf(stderr, "pa_gc_free_log(0x%p)\n", p);
1.175 ! paf 224: #endif
! 225: if(pa_looked(p))
! 226: fprintf(stderr,"catched debug free(0x%p)\n", p);
! 227: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
1.157 paf 228: pa_gc_free(p);
1.175 ! paf 229: #endif
1.157 paf 230: }
1.159 paf 231: #else
232:
233: inline void *check(void *result, const char *where, size_t size) {
234: if(!result)
235: SAPI::abort("out of memory (while %s [size=%d])", where, size);
236:
237: return result;
238: }
239: static void* pa_gc_malloc_nonull(size_t size) {
240: return check(pa_gc_malloc(size), "allocating XML compsite memory", size);
241: }
242: static void* pa_gc_malloc_atomic_nonull(size_t size) {
1.175 ! paf 243: #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY
! 244: return check(pa_gc_malloc(size), "allocating XML composite memory (asked atomic)", size);
! 245: #else
1.159 paf 246: return check(pa_gc_malloc_atomic(size), "allocating XML atomic memory", size);
1.175 ! paf 247: #endif
1.159 paf 248: }
249: static void* pa_gc_realloc_nonull(void* ptr, size_t size) {
250: return check(pa_gc_realloc(ptr, size), "reallocating XML memory", size);
251: }
252:
1.175 ! paf 253: static void pa_gc_free_maybeignore(
! 254: void*
! 255: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
! 256: ptr
! 257: #endif
! 258: ) {
! 259: #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY
! 260: pa_gc_free(ptr);
! 261: #endif
! 262: }
! 263:
1.157 paf 264: #endif
265: #endif
266:
267: void pa_CORD_oom_fn(void) {
268: SAPI::abort("out of memory (while expanding string)");
269: }
270:
271: /**
272: @todo gc: libltdl: substitute lt_dlmalloc & co
273: */
274: static void gc_substitute_memory_management_functions() {
275: // in libxml & libxslt
276: #ifdef XML
277: // asking to use GC memory
278: #if LIBXML_VERSION >= 20507
279: #ifdef PA_DEBUG_XML_GC_MEMORY
280: xmlGcMemSetup(
281: /*xmlFreeFunc */pa_gc_free_log,
282: /*xmlMallocFunc */pa_gc_malloc_log,
283: /*xmlMallocFunc */pa_gc_malloc_atomic_log,
284: /*xmlReallocFunc */pa_gc_realloc_log,
285: /*xmlStrdupFunc */pa_GC_strdup);
286: #else
287: xmlGcMemSetup(
1.175 ! paf 288: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.159 paf 289: /*xmlMallocFunc */pa_gc_malloc_nonull,
290: /*xmlMallocFunc */pa_gc_malloc_atomic_nonull,
291: /*xmlReallocFunc */pa_gc_realloc_nonull,
1.157 paf 292: /*xmlStrdupFunc */pa_GC_strdup);
293: #endif
1.32 paf 294:
1.157 paf 295: #else
296: xmlMemSetup(
1.175 ! paf 297: /*xmlFreeFunc */pa_gc_free_maybeignore,
1.157 paf 298: /*xmlMallocFunc */pa_gc_malloc,
299: /*xmlReallocFunc */pa_gc_realloc,
300: /*xmlStrdupFunc */pa_GC_strdup);
301: #endif
1.5 paf 302:
1.157 paf 303: #endif
1.141 paf 304:
1.157 paf 305: // pcre
306: pcre_malloc=pa_gc_malloc;
307: pcre_free=pa_gc_free;
1.135 paf 308:
1.1 paf 309:
1.157 paf 310: // cord
311: CORD_oom_fn=pa_CORD_oom_fn;
312: }
1.88 paf 313:
1.157 paf 314: /**
315: @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1);
316: */
317: void pa_globals_init() {
1.164 paf 318: // global variables
319: cache_managers=new Cache_managers;
320:
321:
1.157 paf 322: // in various libraries
323: gc_substitute_memory_management_functions();
1.101 paf 324:
1.157 paf 325: // hex value
326: setup_hex_value();
1.74 parser 327:
1.76 parser 328: #ifdef XML
1.96 paf 329: // initializing xml libs
330:
1.157 paf 331: /* First get a DOMImplementation reference */
1.96 paf 332: domimpl = gdome_di_mkref ();
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:
1.157 paf 397: #ifdef XML
1.158 paf 398: # define GNOME_LIBS "../../../../win32/gnome"
1.131 paf 399: # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib")
1.76 parser 400: # ifdef _DEBUG
1.157 paf 401:
402: # ifdef LIBXML_STATIC
1.168 paf 403: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib")
1.157 paf 404: # else
1.168 paf 405: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib")
1.157 paf 406: # endif
407:
408: # ifdef LIBXSLT_STATIC
1.168 paf 409: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib")
1.157 paf 410: # else
1.168 paf 411: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib")
1.157 paf 412: # endif
413: # ifdef LIBEXSLT_STATIC
1.168 paf 414: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib")
1.157 paf 415: # else
1.168 paf 416: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib")
1.157 paf 417: # endif
418:
419: # ifdef LIBGDOME_STATIC
1.169 paf 420: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugStatic/libgdome.lib")
1.157 paf 421: # else
1.169 paf 422: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/DebugDynamic/libgdome.lib")
1.157 paf 423: # endif
424:
425: #else
426:
427: # ifdef LIBXML_STATIC
1.168 paf 428: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib")
1.157 paf 429: # else
1.168 paf 430: # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib")
1.157 paf 431: # endif
432:
433: # ifdef LIBXSLT_STATIC
1.168 paf 434: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib")
1.157 paf 435: # else
1.168 paf 436: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib")
1.157 paf 437: # endif
438: # ifdef LIBEXSLT_STATIC
1.168 paf 439: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib")
1.157 paf 440: # else
1.168 paf 441: # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib")
1.157 paf 442: # endif
443:
444: # ifdef LIBGDOME_STATIC
1.169 paf 445: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseStatic/libgdome.lib")
1.157 paf 446: # else
1.169 paf 447: # pragma comment(lib, GNOME_LIBS "/gdome2-x.x.x/win32/ReleaseDynamic/libgdome.lib")
1.157 paf 448: # endif
449:
1.85 paf 450: # endif
1.157 paf 451: #endif
452:
1.85 paf 453: #endif
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