DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (5b81998bb7ab)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
 * Header for JavaScript Debugging support - Internal ONLY declarations
 */

#ifndef jsd_h___
#define jsd_h___

/*
* NOTE: This is a *private* header file and should only be included by
* the sources in js/jsd. Defining EXPORT_JSD_API in an outside module
* using jsd would be bad.
*/
#define EXPORT_JSD_API 1 /* if used, must be set before include of jsdebug.h */

/*
* These can be controled by the makefile, but this allows a place to set
* the values always used in the mozilla client, but perhaps done differently
* in other embeddings.
*/
#ifdef MOZILLA_CLIENT
#define JSD_THREADSAFE 1
/* define JSD_HAS_DANGEROUS_THREAD 1 */
#define JSD_USE_NSPR_LOCKS 1
#endif /* MOZILLA_CLIENT */

#include "jstypes.h"
#include "jsprf.h"
#include "jsutil.h" /* Added by JSIFY */
#include "jshash.h" /* Added by JSIFY */
#include "jsclist.h"
#include "jsdebug.h"
#include "jsapi.h"
#include "jsdbgapi.h"
#include "jsd_lock.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef LIVEWIRE
#include <base/pblock.h>
#include <base/session.h>
#include <frame/log.h>
#include <frame/req.h>
#endif /* LIVEWIRE */

#define JSD_MAJOR_VERSION 1
#define JSD_MINOR_VERSION 1

/***************************************************************************/
/* handy macros */
#undef  CHECK_BIT_FLAG
#define CHECK_BIT_FLAG(f,b) ((f)&(b))
#undef  SET_BIT_FLAG
#define SET_BIT_FLAG(f,b)   ((f)|=(b))
#undef  CLEAR_BIT_FLAG
#define CLEAR_BIT_FLAG(f,b) ((f)&=(~(b)))

#define JSD_IS_DEBUG_ENABLED(jsdc,jsdscript)                                   \
        (!(((jsdc->flags & JSD_DEBUG_WHEN_SET) ? 1 : 0)  ^                     \
           ((jsdscript->flags & JSD_SCRIPT_DEBUG_BIT) ?  1 : 0)))
#define JSD_IS_PROFILE_ENABLED(jsdc,jsdscript)                                 \
        ((jsdc->flags & JSD_COLLECT_PROFILE_DATA) &&                           \
         (!(((jsdc->flags & JSD_PROFILE_WHEN_SET) ? 1 : 0) ^                   \
            ((jsdscript->flags & JSD_SCRIPT_PROFILE_BIT) ? 1 : 0))))


/***************************************************************************/
/* These are not exposed in jsdebug.h - typedef here for consistency */

typedef struct JSDExecHook          JSDExecHook;
typedef struct JSDAtom              JSDAtom;
typedef struct JSDProfileData       JSDProfileData;
/***************************************************************************/
/* Our structures */

/*
* XXX What I'm calling a JSDContext is really more of a JSDTaskState. 
*/

struct JSDContext
{
    JSCList                 links;      /* we are part of a JSCList */
    JSBool                  inited;
    void*                   data;
    uint32_t                flags;
    JSD_ScriptHookProc      scriptHook;
    void*                   scriptHookData;
    JSD_ExecutionHookProc   interruptHook;
    void*                   interruptHookData;
    JSRuntime*              jsrt;
    JSD_ErrorReporter       errorReporter;
    void*                   errorReporterData;
    JSCList                 threadsStates;
    JSD_ExecutionHookProc   debugBreakHook;
    void*                   debugBreakHookData;
    JSD_ExecutionHookProc   debuggerHook;
    void*                   debuggerHookData;
    JSD_ExecutionHookProc   throwHook;
    void*                   throwHookData;
    JSD_CallHookProc        functionHook;
    void*                   functionHookData;
    JSD_CallHookProc        toplevelHook;
    void*                   toplevelHookData;
    JSObject*               glob;
    JSD_UserCallbacks       userCallbacks;
    void*                   user;
    JSCList                 scripts;
    JSHashTable*            scriptsTable;
    JSCList                 sources;
    JSCList                 removedSources;
    unsigned                   sourceAlterCount;
    JSHashTable*            atoms;
    JSCList                 objectsList;
    JSHashTable*            objectsTable;
    JSDProfileData*         callingFunctionPData;
    int64_t                 lastReturnTime;
#ifdef JSD_THREADSAFE
    JSDStaticLock*          scriptsLock;
    JSDStaticLock*          sourceTextLock;
    JSDStaticLock*          objectsLock;
    JSDStaticLock*          atomsLock;
    JSDStaticLock*          threadStatesLock;
#endif /* JSD_THREADSAFE */
#ifdef JSD_HAS_DANGEROUS_THREAD
    void*                   dangerousThread;
#endif /* JSD_HAS_DANGEROUS_THREAD */

};

struct JSDScript
{
    JSCList     links;      /* we are part of a JSCList */
    JSDContext* jsdc;       /* JSDContext for this jsdscript */
    JSScript*   script;     /* script we are wrapping */
    unsigned       lineBase;   /* we cache this */
    unsigned       lineExtent; /* we cache this */
    JSCList     hooks;      /* JSCList of JSDExecHooks for this script */
    char*       url;
    uint32_t    flags;
    void*       data;

    JSDProfileData  *profileData;

#ifdef LIVEWIRE
    LWDBGApp*    app;
    LWDBGScript* lwscript;
#endif
};

struct JSDProfileData
{
    JSDProfileData* caller;
    int64_t  lastCallStart;
    int64_t  runningTime;
    unsigned    callCount;
    unsigned    recurseDepth;
    unsigned    maxRecurseDepth;
    double minExecutionTime;
    double maxExecutionTime;
    double totalExecutionTime;
    double minOwnExecutionTime;
    double maxOwnExecutionTime;
    double totalOwnExecutionTime;
};

struct JSDSourceText
{
    JSCList          links;      /* we are part of a JSCList */
    char*            url;
    char*            text;
    unsigned            textLength;
    unsigned            textSpace;
    JSBool           dirty;
    JSDSourceStatus  status;
    unsigned            alterCount;
    JSBool           doingEval;
};

struct JSDExecHook
{
    JSCList               links;        /* we are part of a JSCList */
    JSDScript*            jsdscript;
    uintptr_t             pc;
    JSD_ExecutionHookProc hook;
    void*                 callerdata;
};

#define TS_HAS_DISABLED_FRAME 0x01

struct JSDThreadState
{
    JSCList             links;        /* we are part of a JSCList */
    JSContext*          context;
    void*               thread;
    JSCList             stack;
    unsigned               stackDepth;
    unsigned               flags;
};

struct JSDStackFrameInfo
{
    JSCList             links;        /* we are part of a JSCList */
    JSDThreadState*     jsdthreadstate;
    JSDScript*          jsdscript;
    uintptr_t           pc;
    bool                isConstructing;
    JSAbstractFramePtr  frame;
};

#define GOT_PROTO   ((short) (1 << 0))
#define GOT_PROPS   ((short) (1 << 1))
#define GOT_PARENT  ((short) (1 << 2))
#define GOT_CTOR    ((short) (1 << 3))

struct JSDValue
{
    jsval       val;
    int        nref;
    JSCList     props;
    JSString*   string;
    JSString*   funName;
    const char* className;
    JSDValue*   proto;
    JSDValue*   parent;
    JSDValue*   ctor;
    unsigned       flags;
};

struct JSDProperty
{
    JSCList     links;      /* we are part of a JSCList */
    int        nref;
    JSDValue*   val;
    JSDValue*   name;
    JSDValue*   alias;
    unsigned       flags;
};

struct JSDAtom
{
    char* str;      /* must be first element in struct for compare */
    int  refcount;
};

struct JSDObject
{
    JSCList     links;      /* we are part of a JSCList */
    JSObject*   obj;
    JSDAtom*    newURL;
    unsigned       newLineno;
    JSDAtom*    ctorURL;
    unsigned       ctorLineno;
    JSDAtom*    ctorName;
};

/***************************************************************************/
/* Code validation support */

#ifdef DEBUG
extern void JSD_ASSERT_VALID_CONTEXT(JSDContext* jsdc);
extern void JSD_ASSERT_VALID_SCRIPT(JSDScript* jsdscript);
extern void JSD_ASSERT_VALID_SOURCE_TEXT(JSDSourceText* jsdsrc);
extern void JSD_ASSERT_VALID_THREAD_STATE(JSDThreadState* jsdthreadstate);
extern void JSD_ASSERT_VALID_STACK_FRAME(JSDStackFrameInfo* jsdframe);
extern void JSD_ASSERT_VALID_EXEC_HOOK(JSDExecHook* jsdhook);
extern void JSD_ASSERT_VALID_VALUE(JSDValue* jsdval);
extern void JSD_ASSERT_VALID_PROPERTY(JSDProperty* jsdprop);
extern void JSD_ASSERT_VALID_OBJECT(JSDObject* jsdobj);
#else
#define JSD_ASSERT_VALID_CONTEXT(x)     ((void)0)
#define JSD_ASSERT_VALID_SCRIPT(x)      ((void)0)
#define JSD_ASSERT_VALID_SOURCE_TEXT(x) ((void)0)
#define JSD_ASSERT_VALID_THREAD_STATE(x)((void)0)
#define JSD_ASSERT_VALID_STACK_FRAME(x) ((void)0)
#define JSD_ASSERT_VALID_EXEC_HOOK(x)   ((void)0)
#define JSD_ASSERT_VALID_VALUE(x)       ((void)0)
#define JSD_ASSERT_VALID_PROPERTY(x)    ((void)0)
#define JSD_ASSERT_VALID_OBJECT(x)      ((void)0)
#endif

/***************************************************************************/
/* higher level functions */

extern JSDContext*
jsd_DebuggerOnForUser(JSRuntime*         jsrt,
                      JSD_UserCallbacks* callbacks,
                      void*              user,
                      JSObject*          scopeobj);

extern JSDContext*
jsd_DebuggerOn(void);

extern void
jsd_DebuggerOff(JSDContext* jsdc);

extern void
jsd_DebuggerPause(JSDContext* jsdc, JSBool forceAllHooksOff);

extern void
jsd_DebuggerUnpause(JSDContext* jsdc);

extern void
jsd_SetUserCallbacks(JSRuntime* jsrt, JSD_UserCallbacks* callbacks, void* user);

extern JSDContext*
jsd_JSDContextForJSContext(JSContext* context);

extern void*
jsd_SetContextPrivate(JSDContext* jsdc, void *data);

extern void*
jsd_GetContextPrivate(JSDContext* jsdc);

extern void
jsd_ClearAllProfileData(JSDContext* jsdc);

extern JSBool
jsd_SetErrorReporter(JSDContext*       jsdc,
                     JSD_ErrorReporter reporter,
                     void*             callerdata);

extern JSBool
jsd_GetErrorReporter(JSDContext*        jsdc,
                     JSD_ErrorReporter* reporter,
                     void**             callerdata);

/***************************************************************************/
/* Script functions */

extern JSBool
jsd_InitScriptManager(JSDContext *jsdc);

extern void
jsd_DestroyScriptManager(JSDContext* jsdc);

extern JSDScript*
jsd_FindJSDScript(JSDContext*  jsdc,
                  JSScript     *script);

extern JSDScript*
jsd_FindOrCreateJSDScript(JSDContext    *jsdc,
                          JSContext     *cx,
                          JSScript      *script,
                          JSAbstractFramePtr frame);

extern JSDProfileData*
jsd_GetScriptProfileData(JSDContext* jsdc, JSDScript *script);

extern uint32_t
jsd_GetScriptFlags(JSDContext *jsdc, JSDScript *script);

extern void
jsd_SetScriptFlags(JSDContext *jsdc, JSDScript *script, uint32_t flags);

extern unsigned
jsd_GetScriptCallCount(JSDContext* jsdc, JSDScript *script);

extern  unsigned
jsd_GetScriptMaxRecurseDepth(JSDContext* jsdc, JSDScript *script);

extern double
jsd_GetScriptMinExecutionTime(JSDContext* jsdc, JSDScript *script);

extern double
jsd_GetScriptMaxExecutionTime(JSDContext* jsdc, JSDScript *script);

extern double
jsd_GetScriptTotalExecutionTime(JSDContext* jsdc, JSDScript *script);

extern double
jsd_GetScriptMinOwnExecutionTime(JSDContext* jsdc, JSDScript *script);

extern double
jsd_GetScriptMaxOwnExecutionTime(JSDContext* jsdc, JSDScript *script);

extern double
jsd_GetScriptTotalOwnExecutionTime(JSDContext* jsdc, JSDScript *script);

extern void
jsd_ClearScriptProfileData(JSDContext* jsdc, JSDScript *script);

extern JSScript *
jsd_GetJSScript (JSDContext *jsdc, JSDScript *script);

extern JSFunction *
jsd_GetJSFunction (JSDContext *jsdc, JSDScript *script);

extern JSDScript*
jsd_IterateScripts(JSDContext* jsdc, JSDScript **iterp);

extern void *
jsd_SetScriptPrivate (JSDScript *jsdscript, void *data);

extern void *
jsd_GetScriptPrivate (JSDScript *jsdscript);

extern JSBool
jsd_IsActiveScript(JSDContext* jsdc, JSDScript *jsdscript);

extern const char*
jsd_GetScriptFilename(JSDContext* jsdc, JSDScript *jsdscript);

extern JSString*
jsd_GetScriptFunctionId(JSDContext* jsdc, JSDScript *jsdscript);

extern unsigned
jsd_GetScriptBaseLineNumber(JSDContext* jsdc, JSDScript *jsdscript);

extern unsigned
jsd_GetScriptLineExtent(JSDContext* jsdc, JSDScript *jsdscript);

extern JSBool
jsd_SetScriptHook(JSDContext* jsdc, JSD_ScriptHookProc hook, void* callerdata);

extern JSBool
jsd_GetScriptHook(JSDContext* jsdc, JSD_ScriptHookProc* hook, void** callerdata);

extern uintptr_t
jsd_GetClosestPC(JSDContext* jsdc, JSDScript* jsdscript, unsigned line);

extern unsigned
jsd_GetClosestLine(JSDContext* jsdc, JSDScript* jsdscript, uintptr_t pc);

extern JSBool
jsd_GetLinePCs(JSDContext* jsdc, JSDScript* jsdscript,
               unsigned startLine, unsigned maxLines,
               unsigned* count, unsigned** lines, uintptr_t** pcs);

extern void
jsd_NewScriptHookProc(
                JSContext   *cx,
                const char  *filename,      /* URL this script loads from */
                unsigned       lineno,         /* line where this script starts */
                JSScript    *script,
                JSFunction  *fun,
                void*       callerdata);

extern void
jsd_DestroyScriptHookProc(
                JSFreeOp    *fop,
                JSScript    *script,
                void*       callerdata);

/* Script execution hook functions */

extern JSBool
jsd_SetExecutionHook(JSDContext*           jsdc,
                     JSDScript*            jsdscript,
                     uintptr_t             pc,
                     JSD_ExecutionHookProc hook,
                     void*                 callerdata);

extern JSBool
jsd_ClearExecutionHook(JSDContext*           jsdc,
                       JSDScript*            jsdscript,
                       uintptr_t             pc);

extern JSBool
jsd_ClearAllExecutionHooksForScript(JSDContext* jsdc, JSDScript* jsdscript);

extern JSBool
jsd_ClearAllExecutionHooks(JSDContext* jsdc);

extern void
jsd_ScriptCreated(JSDContext* jsdc,
                  JSContext   *cx,
                  const char  *filename,    /* URL this script loads from */
                  unsigned       lineno,       /* line where this script starts */
                  JSScript    *script,
                  JSFunction  *fun);

extern void
jsd_ScriptDestroyed(JSDContext* jsdc,
                    JSFreeOp    *fop,
                    JSScript    *script);

/***************************************************************************/
/* Source Text functions */

extern JSDSourceText*
jsd_IterateSources(JSDContext* jsdc, JSDSourceText **iterp);

extern JSDSourceText*
jsd_FindSourceForURL(JSDContext* jsdc, const char* url);

extern const char*
jsd_GetSourceURL(JSDContext* jsdc, JSDSourceText* jsdsrc);

extern JSBool
jsd_GetSourceText(JSDContext* jsdc, JSDSourceText* jsdsrc,
                  const char** ppBuf, int* pLen);

extern void
jsd_ClearSourceText(JSDContext* jsdc, JSDSourceText* jsdsrc);

extern JSDSourceStatus
jsd_GetSourceStatus(JSDContext* jsdc, JSDSourceText* jsdsrc);

extern JSBool
jsd_IsSourceDirty(JSDContext* jsdc, JSDSourceText* jsdsrc);

extern void
jsd_SetSourceDirty(JSDContext* jsdc, JSDSourceText* jsdsrc, JSBool dirty);

extern unsigned
jsd_GetSourceAlterCount(JSDContext* jsdc, JSDSourceText* jsdsrc);

extern unsigned
jsd_IncrementSourceAlterCount(JSDContext* jsdc, JSDSourceText* jsdsrc);

extern JSDSourceText*
jsd_NewSourceText(JSDContext* jsdc, const char* url);

extern JSDSourceText*
jsd_AppendSourceText(JSDContext* jsdc,
                     JSDSourceText* jsdsrc,
                     const char* text,       /* *not* zero terminated */
                     size_t length,
                     JSDSourceStatus status);

extern JSDSourceText*
jsd_AppendUCSourceText(JSDContext* jsdc,
                       JSDSourceText* jsdsrc,
                       const jschar* text,       /* *not* zero terminated */
                       size_t length,
                       JSDSourceStatus status);

/* convienence function for adding complete source of url in one call */
extern JSBool
jsd_AddFullSourceText(JSDContext* jsdc,
                      const char* text,       /* *not* zero terminated */
                      size_t      length,
                      const char* url);

extern void
jsd_DestroyAllSources(JSDContext* jsdc);

extern char*
jsd_BuildNormalizedURL(const char* url_string);

extern void
jsd_StartingEvalUsingFilename(JSDContext* jsdc, const char* url);

extern void
jsd_FinishedEvalUsingFilename(JSDContext* jsdc, const char* url);

/***************************************************************************/
/* Interrupt Hook functions */

extern JSBool
jsd_SetInterruptHook(JSDContext*           jsdc,
                     JSD_ExecutionHookProc hook,
                     void*                 callerdata);

extern JSBool
jsd_ClearInterruptHook(JSDContext* jsdc);

extern JSBool
jsd_EnableSingleStepInterrupts(JSDContext* jsdc,
                               JSDScript*  jsdscript,
                               JSBool      enable);

extern JSBool
jsd_SetDebugBreakHook(JSDContext*           jsdc,
                      JSD_ExecutionHookProc hook,
                      void*                 callerdata);

extern JSBool
jsd_ClearDebugBreakHook(JSDContext* jsdc);

extern JSBool
jsd_SetDebuggerHook(JSDContext*           jsdc,
                    JSD_ExecutionHookProc hook,
                    void*                 callerdata);

extern JSBool
jsd_ClearDebuggerHook(JSDContext* jsdc);

extern JSTrapStatus
jsd_CallExecutionHook(JSDContext*           jsdc,
                      JSContext*            cx,
                      unsigned                 type,
                      JSD_ExecutionHookProc hook,
                      void*                 hookData,
                      jsval*                rval);

extern JSBool
jsd_CallCallHook (JSDContext*      jsdc,
                  JSContext*       cx,
                  unsigned            type,
                  JSD_CallHookProc hook,
                  void*            hookData);

extern JSBool
jsd_SetThrowHook(JSDContext*           jsdc,
                 JSD_ExecutionHookProc hook,
                 void*                 callerdata);
extern JSBool
jsd_ClearThrowHook(JSDContext* jsdc);

extern JSTrapStatus
jsd_DebuggerHandler(JSContext *cx, JSScript *script, jsbytecode *pc,
                    jsval *rval, void *closure);

extern JSTrapStatus
jsd_ThrowHandler(JSContext *cx, JSScript *script, jsbytecode *pc,
                 jsval *rval, void *closure);

extern JSBool
jsd_SetFunctionHook(JSDContext*      jsdc,
                    JSD_CallHookProc hook,
                    void*            callerdata);

extern JSBool
jsd_ClearFunctionHook(JSDContext* jsdc);

extern JSBool
jsd_SetTopLevelHook(JSDContext*      jsdc,
                    JSD_CallHookProc hook,
                    void*            callerdata);

extern JSBool
jsd_ClearTopLevelHook(JSDContext* jsdc);

/***************************************************************************/
/* Stack Frame functions */

extern unsigned
jsd_GetCountOfStackFrames(JSDContext* jsdc, JSDThreadState* jsdthreadstate);

extern JSDStackFrameInfo*
jsd_GetStackFrame(JSDContext* jsdc, JSDThreadState* jsdthreadstate);

extern JSContext*
jsd_GetJSContext(JSDContext* jsdc, JSDThreadState* jsdthreadstate);

extern JSDStackFrameInfo*
jsd_GetCallingStackFrame(JSDContext* jsdc,
                         JSDThreadState* jsdthreadstate,
                         JSDStackFrameInfo* jsdframe);

extern JSDScript*
jsd_GetScriptForStackFrame(JSDContext* jsdc,
                           JSDThreadState* jsdthreadstate,
                           JSDStackFrameInfo* jsdframe);

extern uintptr_t
jsd_GetPCForStackFrame(JSDContext* jsdc,
                       JSDThreadState* jsdthreadstate,
                       JSDStackFrameInfo* jsdframe);

extern JSDValue*
jsd_GetCallObjectForStackFrame(JSDContext* jsdc,
                               JSDThreadState* jsdthreadstate,
                               JSDStackFrameInfo* jsdframe);

extern JSDValue*
jsd_GetScopeChainForStackFrame(JSDContext* jsdc,
                               JSDThreadState* jsdthreadstate,
                               JSDStackFrameInfo* jsdframe);

extern JSBool
jsd_IsStackFrameDebugger(JSDContext* jsdc, 
                         JSDThreadState* jsdthreadstate,
                         JSDStackFrameInfo* jsdframe);

extern JSBool
jsd_IsStackFrameConstructing(JSDContext* jsdc, 
                             JSDThreadState* jsdthreadstate,
                             JSDStackFrameInfo* jsdframe);

extern JSDValue*
jsd_GetThisForStackFrame(JSDContext* jsdc,
                         JSDThreadState* jsdthreadstate,
                         JSDStackFrameInfo* jsdframe);

extern JSString*
jsd_GetIdForStackFrame(JSDContext* jsdc, 
                       JSDThreadState* jsdthreadstate,
                       JSDStackFrameInfo* jsdframe);

extern JSDThreadState*
jsd_NewThreadState(JSDContext* jsdc, JSContext *cx);

extern void
jsd_DestroyThreadState(JSDContext* jsdc, JSDThreadState* jsdthreadstate);

extern JSBool
jsd_EvaluateUCScriptInStackFrame(JSDContext* jsdc,
                                 JSDThreadState* jsdthreadstate,
                                 JSDStackFrameInfo* jsdframe,
                                 const jschar *bytes, unsigned length,
                                 const char *filename, unsigned lineno,
                                 JSBool eatExceptions, JS::MutableHandleValue rval);

extern JSBool
jsd_EvaluateScriptInStackFrame(JSDContext* jsdc,
                               JSDThreadState* jsdthreadstate,
                               JSDStackFrameInfo* jsdframe,
                               const char *bytes, unsigned length,
                               const char *filename, unsigned lineno,
                               JSBool eatExceptions, JS::MutableHandleValue rval);

extern JSString*
jsd_ValToStringInStackFrame(JSDContext* jsdc,
                            JSDThreadState* jsdthreadstate,
                            JSDStackFrameInfo* jsdframe,
                            jsval val);

extern JSBool
jsd_IsValidThreadState(JSDContext*        jsdc,
                       JSDThreadState*    jsdthreadstate);

extern JSBool
jsd_IsValidFrameInThreadState(JSDContext*        jsdc,
                              JSDThreadState*    jsdthreadstate,
                              JSDStackFrameInfo* jsdframe);

extern JSDValue*
jsd_GetException(JSDContext* jsdc, JSDThreadState* jsdthreadstate);

extern JSBool
jsd_SetException(JSDContext* jsdc, JSDThreadState* jsdthreadstate, 
                 JSDValue* jsdval);

/***************************************************************************/
/* Locking support */

/* protos are in js_lock.h for:
 *      jsd_CreateLock
 *      jsd_Lock
 *      jsd_Unlock
 *      jsd_IsLocked
 *      jsd_CurrentThread
 */

#ifdef JSD_THREADSAFE

/* the system-wide lock */
extern JSDStaticLock* _jsd_global_lock;
#define JSD_LOCK()                               \
    JS_BEGIN_MACRO                               \
        if(!_jsd_global_lock)                    \
            _jsd_global_lock = jsd_CreateLock(); \
        JS_ASSERT(_jsd_global_lock);             \
        jsd_Lock(_jsd_global_lock);              \
    JS_END_MACRO

#define JSD_UNLOCK()                             \
    JS_BEGIN_MACRO                               \
        JS_ASSERT(_jsd_global_lock);             \
        jsd_Unlock(_jsd_global_lock);            \
    JS_END_MACRO

/* locks for the subsystems of a given context */
#define JSD_INIT_LOCKS(jsdc)                                    \
    ( (NULL != (jsdc->scriptsLock      = jsd_CreateLock())) &&  \
      (NULL != (jsdc->sourceTextLock   = jsd_CreateLock())) &&  \
      (NULL != (jsdc->atomsLock        = jsd_CreateLock())) &&  \
      (NULL != (jsdc->objectsLock      = jsd_CreateLock())) &&  \
      (NULL != (jsdc->threadStatesLock = jsd_CreateLock())) )

#define JSD_LOCK_SCRIPTS(jsdc)        jsd_Lock(jsdc->scriptsLock)
#define JSD_UNLOCK_SCRIPTS(jsdc)      jsd_Unlock(jsdc->scriptsLock)

#define JSD_LOCK_SOURCE_TEXT(jsdc)    jsd_Lock(jsdc->sourceTextLock)
#define JSD_UNLOCK_SOURCE_TEXT(jsdc)  jsd_Unlock(jsdc->sourceTextLock)

#define JSD_LOCK_ATOMS(jsdc)          jsd_Lock(jsdc->atomsLock)
#define JSD_UNLOCK_ATOMS(jsdc)        jsd_Unlock(jsdc->atomsLock)

#define JSD_LOCK_OBJECTS(jsdc)        jsd_Lock(jsdc->objectsLock)
#define JSD_UNLOCK_OBJECTS(jsdc)      jsd_Unlock(jsdc->objectsLock)

#define JSD_LOCK_THREADSTATES(jsdc)   jsd_Lock(jsdc->threadStatesLock)
#define JSD_UNLOCK_THREADSTATES(jsdc) jsd_Unlock(jsdc->threadStatesLock)

#else  /* !JSD_THREADSAFE */

#define JSD_LOCK()                    ((void)0)
#define JSD_UNLOCK()                  ((void)0)

#define JSD_INIT_LOCKS(jsdc)          1

#define JSD_LOCK_SCRIPTS(jsdc)        ((void)0)
#define JSD_UNLOCK_SCRIPTS(jsdc)      ((void)0)

#define JSD_LOCK_SOURCE_TEXT(jsdc)    ((void)0)
#define JSD_UNLOCK_SOURCE_TEXT(jsdc)  ((void)0)

#define JSD_LOCK_ATOMS(jsdc)          ((void)0)
#define JSD_UNLOCK_ATOMS(jsdc)        ((void)0)

#define JSD_LOCK_OBJECTS(jsdc)        ((void)0)
#define JSD_UNLOCK_OBJECTS(jsdc)      ((void)0)

#define JSD_LOCK_THREADSTATES(jsdc)   ((void)0)
#define JSD_UNLOCK_THREADSTATES(jsdc) ((void)0)

#endif /* JSD_THREADSAFE */

/* NOTE: These are intended for ASSERTs. Thus we supply checks for both
 * LOCKED and UNLOCKED (rather that just LOCKED and !LOCKED) so that in
 * the DEBUG non-Threadsafe case we can have an ASSERT that always succeeds
 * without having to special case things in the code.
 */
#if defined(JSD_THREADSAFE) && defined(DEBUG)
#define JSD_SCRIPTS_LOCKED(jsdc)        (jsd_IsLocked(jsdc->scriptsLock))
#define JSD_SOURCE_TEXT_LOCKED(jsdc)    (jsd_IsLocked(jsdc->sourceTextLock))
#define JSD_ATOMS_LOCKED(jsdc)          (jsd_IsLocked(jsdc->atomsLock))
#define JSD_OBJECTS_LOCKED(jsdc)        (jsd_IsLocked(jsdc->objectsLock))
#define JSD_THREADSTATES_LOCKED(jsdc)   (jsd_IsLocked(jsdc->threadStatesLock))
#define JSD_SCRIPTS_UNLOCKED(jsdc)      (!jsd_IsLocked(jsdc->scriptsLock))
#define JSD_SOURCE_TEXT_UNLOCKED(jsdc)  (!jsd_IsLocked(jsdc->sourceTextLock))
#define JSD_ATOMS_UNLOCKED(jsdc)        (!jsd_IsLocked(jsdc->atomsLock))
#define JSD_OBJECTS_UNLOCKED(jsdc)      (!jsd_IsLocked(jsdc->objectsLock))
#define JSD_THREADSTATES_UNLOCKED(jsdc) (!jsd_IsLocked(jsdc->threadStatesLock))
#else
#define JSD_SCRIPTS_LOCKED(jsdc)        1
#define JSD_SOURCE_TEXT_LOCKED(jsdc)    1
#define JSD_ATOMS_LOCKED(jsdc)          1
#define JSD_OBJECTS_LOCKED(jsdc)        1
#define JSD_THREADSTATES_LOCKED(jsdc)   1
#define JSD_SCRIPTS_UNLOCKED(jsdc)      1
#define JSD_SOURCE_TEXT_UNLOCKED(jsdc)  1
#define JSD_ATOMS_UNLOCKED(jsdc)        1
#define JSD_OBJECTS_UNLOCKED(jsdc)      1
#define JSD_THREADSTATES_UNLOCKED(jsdc) 1
#endif /* defined(JSD_THREADSAFE) && defined(DEBUG) */

/***************************************************************************/
/* Threading support */

#ifdef JSD_THREADSAFE

#define JSD_CURRENT_THREAD()        jsd_CurrentThread()

#else  /* !JSD_THREADSAFE */

#define JSD_CURRENT_THREAD()        ((void*)0)

#endif /* JSD_THREADSAFE */

/***************************************************************************/
/* Dangerous thread support */

#ifdef JSD_HAS_DANGEROUS_THREAD

#define JSD_IS_DANGEROUS_THREAD(jsdc) \
    (JSD_CURRENT_THREAD() == jsdc->dangerousThread)

#else  /* !JSD_HAS_DANGEROUS_THREAD */

#define JSD_IS_DANGEROUS_THREAD(jsdc)   0

#endif /* JSD_HAS_DANGEROUS_THREAD */

/***************************************************************************/
/* Value and Property Functions */

extern JSDValue*
jsd_NewValue(JSDContext* jsdc, jsval val);

extern void
jsd_DropValue(JSDContext* jsdc, JSDValue* jsdval);

extern jsval
jsd_GetValueWrappedJSVal(JSDContext* jsdc, JSDValue* jsdval);

extern void
jsd_RefreshValue(JSDContext* jsdc, JSDValue* jsdval);

/**************************************************/

extern JSBool
jsd_IsValueObject(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueNumber(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueInt(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueDouble(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueString(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueBoolean(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueNull(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueVoid(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValuePrimitive(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueFunction(JSDContext* jsdc, JSDValue* jsdval);

extern JSBool
jsd_IsValueNative(JSDContext* jsdc, JSDValue* jsdval);

/**************************************************/

extern JSBool
jsd_GetValueBoolean(JSDContext* jsdc, JSDValue* jsdval);

extern int32_t
jsd_GetValueInt(JSDContext* jsdc, JSDValue* jsdval);

extern double
jsd_GetValueDouble(JSDContext* jsdc, JSDValue* jsdval);

extern JSString*
jsd_GetValueString(JSDContext* jsdc, JSDValue* jsdval);

extern JSString*
jsd_GetValueFunctionId(JSDContext* jsdc, JSDValue* jsdval);

extern JSFunction*
jsd_GetValueFunction(JSDContext* jsdc, JSDValue* jsdval);

/**************************************************/

extern unsigned
jsd_GetCountOfProperties(JSDContext* jsdc, JSDValue* jsdval);

extern JSDProperty*
jsd_IterateProperties(JSDContext* jsdc, JSDValue* jsdval, JSDProperty **iterp);

extern JSDProperty*
jsd_GetValueProperty(JSDContext* jsdc, JSDValue* jsdval, JSString* name);

extern JSDValue*
jsd_GetValuePrototype(JSDContext* jsdc, JSDValue* jsdval);

extern JSDValue*
jsd_GetValueParent(JSDContext* jsdc, JSDValue* jsdval);

extern JSDValue*
jsd_GetValueConstructor(JSDContext* jsdc, JSDValue* jsdval);

extern const char*
jsd_GetValueClassName(JSDContext* jsdc, JSDValue* jsdval);

extern JSDScript*
jsd_GetScriptForValue(JSDContext* jsdc, JSDValue* jsdval);

/**************************************************/

extern void
jsd_DropProperty(JSDContext* jsdc, JSDProperty* jsdprop);

extern JSDValue*
jsd_GetPropertyName(JSDContext* jsdc, JSDProperty* jsdprop);

extern JSDValue*
jsd_GetPropertyValue(JSDContext* jsdc, JSDProperty* jsdprop);

extern JSDValue*
jsd_GetPropertyAlias(JSDContext* jsdc, JSDProperty* jsdprop);

extern unsigned
jsd_GetPropertyFlags(JSDContext* jsdc, JSDProperty* jsdprop);

/**************************************************/
/* Stepping Functions */

extern void *
jsd_FunctionCallHook(JSContext *cx, JSAbstractFramePtr frame, bool isConstructing,
                     JSBool before, JSBool *ok, void *closure);

extern void *
jsd_TopLevelCallHook(JSContext *cx, JSAbstractFramePtr frame, bool isConstructing,
                     JSBool before, JSBool *ok, void *closure);

/**************************************************/
/* Object Functions */

extern JSBool
jsd_InitObjectManager(JSDContext* jsdc);

extern void
jsd_DestroyObjectManager(JSDContext* jsdc);

extern void
jsd_DestroyObjects(JSDContext* jsdc);

extern void
jsd_Constructing(JSDContext* jsdc, JSContext *cx, JSObject *obj,
                 JSAbstractFramePtr frame);

extern JSDObject*
jsd_IterateObjects(JSDContext* jsdc, JSDObject** iterp);

extern JSObject*
jsd_GetWrappedObject(JSDContext* jsdc, JSDObject* jsdobj);

extern const char*
jsd_GetObjectNewURL(JSDContext* jsdc, JSDObject* jsdobj);

extern unsigned
jsd_GetObjectNewLineNumber(JSDContext* jsdc, JSDObject* jsdobj);

extern const char*
jsd_GetObjectConstructorURL(JSDContext* jsdc, JSDObject* jsdobj);

extern unsigned
jsd_GetObjectConstructorLineNumber(JSDContext* jsdc, JSDObject* jsdobj);

extern const char*
jsd_GetObjectConstructorName(JSDContext* jsdc, JSDObject* jsdobj);

extern JSDObject*
jsd_GetJSDObjectForJSObject(JSDContext* jsdc, JSObject* jsobj);

extern JSDObject*
jsd_GetObjectForValue(JSDContext* jsdc, JSDValue* jsdval);

/*
* returns new refcounted JSDValue
*/
extern JSDValue*
jsd_GetValueForObject(JSDContext* jsdc, JSDObject* jsdobj);

/**************************************************/
/* Atom Functions */

extern JSBool
jsd_CreateAtomTable(JSDContext* jsdc);

extern void
jsd_DestroyAtomTable(JSDContext* jsdc);

extern JSDAtom*
jsd_AddAtom(JSDContext* jsdc, const char* str);

extern JSDAtom*
jsd_CloneAtom(JSDContext* jsdc, JSDAtom* atom);

extern void
jsd_DropAtom(JSDContext* jsdc, JSDAtom* atom);

#define JSD_ATOM_TO_STRING(a) ((const char*)((a)->str))

struct AutoSaveExceptionState {
    AutoSaveExceptionState(JSContext *cx) : mCx(cx) {
        mState = JS_SaveExceptionState(cx);
    }
    ~AutoSaveExceptionState() {
        JS_RestoreExceptionState(mCx, mState);
    }
    JSContext *mCx;
    JSExceptionState *mState;
};

/***************************************************************************/
/* Livewire specific API */
#ifdef LIVEWIRE

extern LWDBGScript*
jsdlw_GetLWScript(JSDContext* jsdc, JSDScript* jsdscript);

extern char*
jsdlw_BuildAppRelativeFilename(LWDBGApp* app, const char* filename);

extern JSDSourceText*
jsdlw_PreLoadSource(JSDContext* jsdc, LWDBGApp* app,
                     const char* filename, JSBool clear);

extern JSDSourceText*
jsdlw_ForceLoadSource(JSDContext* jsdc, JSDSourceText* jsdsrc);

extern JSBool
jsdlw_UserCodeAtPC(JSDContext* jsdc, JSDScript* jsdscript, uintptr_t pc);

extern JSBool
jsdlw_RawToProcessedLineNumber(JSDContext* jsdc, JSDScript* jsdscript,
                               unsigned lineIn, unsigned* lineOut);

extern JSBool
jsdlw_ProcessedToRawLineNumber(JSDContext* jsdc, JSDScript* jsdscript,
                               unsigned lineIn, unsigned* lineOut);

#if 0
/* our hook proc for LiveWire app start/stop */
extern void
jsdlw_AppHookProc(LWDBGApp* app,
                  JSBool created,
                  void *callerdata);
#endif


#endif
/***************************************************************************/

#endif /* jsd_h___ */