[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/ext/misc/vtshim.c

Index: third_party/sqlite/sqlite-src-3080704/ext/misc/vtshim.c
diff --git a/third_party/sqlite/sqlite-src-3080704/ext/misc/vtshim.c b/third_party/sqlite/sqlite-src-3080704/ext/misc/vtshim.c
deleted file mode 100644
index 01348e8d3eebbfe3161c0b55dd6cbc3d448ea161..0000000000000000000000000000000000000000
--- a/third_party/sqlite/sqlite-src-3080704/ext/misc/vtshim.c
+++ /dev/null
@@ -1,551 +0,0 @@
-/*
-** 2013-06-12
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-**
-** A shim that sits between the SQLite virtual table interface and
-** runtimes with garbage collector based memory management.
-*/
-#include "sqlite3ext.h"
-SQLITE_EXTENSION_INIT1
-#include <assert.h>
-#include <string.h>
-
-#ifndef SQLITE_OMIT_VIRTUALTABLE
-
-/* Forward references */
-typedef struct vtshim_aux vtshim_aux;
-typedef struct vtshim_vtab vtshim_vtab;
-typedef struct vtshim_cursor vtshim_cursor;
-
-
-/* The vtshim_aux argument is the auxiliary parameter that is passed
-** into sqlite3_create_module_v2().
-*/
-struct vtshim_aux {
-  void *pChildAux;              /* pAux for child virtual tables */
-  void (*xChildDestroy)(void*); /* Destructor for pChildAux */
-  sqlite3_module *pMod;         /* Methods for child virtual tables */
-  sqlite3 *db;                  /* The database to which we are attached */
-  char *zName;                  /* Name of the module */
-  int bDisposed;                /* True if disposed */
-  vtshim_vtab *pAllVtab;        /* List of all vtshim_vtab objects */
-  sqlite3_module sSelf;         /* Methods used by this shim */
-};
-
-/* A vtshim virtual table object */
-struct vtshim_vtab {
-  sqlite3_vtab base;       /* Base class - must be first */
-  sqlite3_vtab *pChild;    /* Child virtual table */
-  vtshim_aux *pAux;        /* Pointer to vtshim_aux object */
-  vtshim_cursor *pAllCur;  /* List of all cursors */
-  vtshim_vtab **ppPrev;    /* Previous on list */
-  vtshim_vtab *pNext;      /* Next on list */
-};
-
-/* A vtshim cursor object */
-struct vtshim_cursor {
-  sqlite3_vtab_cursor base;    /* Base class - must be first */
-  sqlite3_vtab_cursor *pChild; /* Cursor generated by the managed subclass */
-  vtshim_cursor **ppPrev;      /* Previous on list of all cursors */
-  vtshim_cursor *pNext;        /* Next on list of all cursors */
-};
-
-/* Macro used to copy the child vtable error message to outer vtable */
-#define VTSHIM_COPY_ERRMSG()                                             \
-  do {                                                                   \
-    sqlite3_free(pVtab->base.zErrMsg);                                   \
-    pVtab->base.zErrMsg = sqlite3_mprintf("%s", pVtab->pChild->zErrMsg); \
-  } while (0)
-
-/* Methods for the vtshim module */
-static int vtshimCreate(
-  sqlite3 *db,
-  void *ppAux,
-  int argc,
-  const char *const*argv,
-  sqlite3_vtab **ppVtab,
-  char **pzErr
-){
-  vtshim_aux *pAux = (vtshim_aux*)ppAux;
-  vtshim_vtab *pNew;
-  int rc;
-
-  assert( db==pAux->db );
-  if( pAux->bDisposed ){
-    if( pzErr ){
-      *pzErr = sqlite3_mprintf("virtual table was disposed: \"%s\"",
-                               pAux->zName);
-    }
-    return SQLITE_ERROR;
-  }
-  pNew = sqlite3_malloc( sizeof(*pNew) );
-  *ppVtab = (sqlite3_vtab*)pNew;
-  if( pNew==0 ) return SQLITE_NOMEM;
-  memset(pNew, 0, sizeof(*pNew));
-  rc = pAux->pMod->xCreate(db, pAux->pChildAux, argc, argv,
-                           &pNew->pChild, pzErr);
-  if( rc ){
-    sqlite3_free(pNew);
-    *ppVtab = 0;
-  }
-  pNew->pAux = pAux;
-  pNew->ppPrev = &pAux->pAllVtab;
-  pNew->pNext = pAux->pAllVtab;
-  if( pAux->pAllVtab ) pAux->pAllVtab->ppPrev = &pNew->pNext;
-  pAux->pAllVtab = pNew;
-  return rc;
-}
-
-static int vtshimConnect(
-  sqlite3 *db,
-  void *ppAux,
-  int argc,
-  const char *const*argv,
-  sqlite3_vtab **ppVtab,
-  char **pzErr
-){
-  vtshim_aux *pAux = (vtshim_aux*)ppAux;
-  vtshim_vtab *pNew;
-  int rc;
-
-  assert( db==pAux->db );
-  if( pAux->bDisposed ){
-    if( pzErr ){
-      *pzErr = sqlite3_mprintf("virtual table was disposed: \"%s\"",
-                               pAux->zName);
-    }
-    return SQLITE_ERROR;
-  }
-  pNew = sqlite3_malloc( sizeof(*pNew) );
-  *ppVtab = (sqlite3_vtab*)pNew;
-  if( pNew==0 ) return SQLITE_NOMEM;
-  memset(pNew, 0, sizeof(*pNew));
-  rc = pAux->pMod->xConnect(db, pAux->pChildAux, argc, argv,
-                            &pNew->pChild, pzErr);
-  if( rc ){
-    sqlite3_free(pNew);
-    *ppVtab = 0;
-  }
-  pNew->pAux = pAux;
-  pNew->ppPrev = &pAux->pAllVtab;
-  pNew->pNext = pAux->pAllVtab;
-  if( pAux->pAllVtab ) pAux->pAllVtab->ppPrev = &pNew->pNext;
-  pAux->pAllVtab = pNew;
-  return rc;
-}
-
-static int vtshimBestIndex(
-  sqlite3_vtab *pBase,
-  sqlite3_index_info *pIdxInfo
-){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xBestIndex(pVtab->pChild, pIdxInfo);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimDisconnect(sqlite3_vtab *pBase){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc = SQLITE_OK;
-  if( !pAux->bDisposed ){
-    rc = pAux->pMod->xDisconnect(pVtab->pChild);
-  }
-  if( pVtab->pNext ) pVtab->pNext->ppPrev = pVtab->ppPrev;
-  *pVtab->ppPrev = pVtab->pNext;
-  sqlite3_free(pVtab);
-  return rc;
-}
-
-static int vtshimDestroy(sqlite3_vtab *pBase){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc = SQLITE_OK;
-  if( !pAux->bDisposed ){
-    rc = pAux->pMod->xDestroy(pVtab->pChild);
-  }
-  if( pVtab->pNext ) pVtab->pNext->ppPrev = pVtab->ppPrev;
-  *pVtab->ppPrev = pVtab->pNext;
-  sqlite3_free(pVtab);
-  return rc;
-}
-
-static int vtshimOpen(sqlite3_vtab *pBase, sqlite3_vtab_cursor **ppCursor){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  vtshim_cursor *pCur;
-  int rc;
-  *ppCursor = 0;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  pCur = sqlite3_malloc( sizeof(*pCur) );
-  if( pCur==0 ) return SQLITE_NOMEM;
-  memset(pCur, 0, sizeof(*pCur));
-  rc = pAux->pMod->xOpen(pVtab->pChild, &pCur->pChild);
-  if( rc ){
-    sqlite3_free(pCur);
-    VTSHIM_COPY_ERRMSG();
-    return rc;
-  }
-  pCur->pChild->pVtab = pVtab->pChild;
-  *ppCursor = &pCur->base;
-  pCur->ppPrev = &pVtab->pAllCur;
-  if( pVtab->pAllCur ) pVtab->pAllCur->ppPrev = &pCur->pNext;
-  pCur->pNext = pVtab->pAllCur;
-  pVtab->pAllCur = pCur;
-  return SQLITE_OK;
-}
-
-static int vtshimClose(sqlite3_vtab_cursor *pX){
-  vtshim_cursor *pCur = (vtshim_cursor*)pX;
-  vtshim_vtab *pVtab = (vtshim_vtab*)pCur->base.pVtab;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc = SQLITE_OK;
-  if( !pAux->bDisposed ){
-    rc = pAux->pMod->xClose(pCur->pChild);
-    if( rc!=SQLITE_OK ){
-      VTSHIM_COPY_ERRMSG();
-    }
-  }
-  if( pCur->pNext ) pCur->pNext->ppPrev = pCur->ppPrev;
-  *pCur->ppPrev = pCur->pNext;
-  sqlite3_free(pCur);
-  return rc;
-}
-
-static int vtshimFilter(
-  sqlite3_vtab_cursor *pX,
-  int idxNum,
-  const char *idxStr,
-  int argc,
-  sqlite3_value **argv
-){
-  vtshim_cursor *pCur = (vtshim_cursor*)pX;
-  vtshim_vtab *pVtab = (vtshim_vtab*)pCur->base.pVtab;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xFilter(pCur->pChild, idxNum, idxStr, argc, argv);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimNext(sqlite3_vtab_cursor *pX){
-  vtshim_cursor *pCur = (vtshim_cursor*)pX;
-  vtshim_vtab *pVtab = (vtshim_vtab*)pCur->base.pVtab;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xNext(pCur->pChild);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimEof(sqlite3_vtab_cursor *pX){
-  vtshim_cursor *pCur = (vtshim_cursor*)pX;
-  vtshim_vtab *pVtab = (vtshim_vtab*)pCur->base.pVtab;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return 1;
-  rc = pAux->pMod->xEof(pCur->pChild);
-  VTSHIM_COPY_ERRMSG();
-  return rc;
-}
-
-static int vtshimColumn(sqlite3_vtab_cursor *pX, sqlite3_context *ctx, int i){
-  vtshim_cursor *pCur = (vtshim_cursor*)pX;
-  vtshim_vtab *pVtab = (vtshim_vtab*)pCur->base.pVtab;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xColumn(pCur->pChild, ctx, i);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimRowid(sqlite3_vtab_cursor *pX, sqlite3_int64 *pRowid){
-  vtshim_cursor *pCur = (vtshim_cursor*)pX;
-  vtshim_vtab *pVtab = (vtshim_vtab*)pCur->base.pVtab;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xRowid(pCur->pChild, pRowid);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimUpdate(
-  sqlite3_vtab *pBase,
-  int argc,
-  sqlite3_value **argv,
-  sqlite3_int64 *pRowid
-){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xUpdate(pVtab->pChild, argc, argv, pRowid);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimBegin(sqlite3_vtab *pBase){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xBegin(pVtab->pChild);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimSync(sqlite3_vtab *pBase){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xSync(pVtab->pChild);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimCommit(sqlite3_vtab *pBase){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xCommit(pVtab->pChild);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimRollback(sqlite3_vtab *pBase){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xRollback(pVtab->pChild);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimFindFunction(
-  sqlite3_vtab *pBase,
-  int nArg,
-  const char *zName,
-  void (**pxFunc)(sqlite3_context*,int,sqlite3_value**),
-  void **ppArg
-){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return 0;
-  rc = pAux->pMod->xFindFunction(pVtab->pChild, nArg, zName, pxFunc, ppArg);
-  VTSHIM_COPY_ERRMSG();
-  return rc;
-}
-
-static int vtshimRename(sqlite3_vtab *pBase, const char *zNewName){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xRename(pVtab->pChild, zNewName);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimSavepoint(sqlite3_vtab *pBase, int n){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xSavepoint(pVtab->pChild, n);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimRelease(sqlite3_vtab *pBase, int n){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xRelease(pVtab->pChild, n);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-static int vtshimRollbackTo(sqlite3_vtab *pBase, int n){
-  vtshim_vtab *pVtab = (vtshim_vtab*)pBase;
-  vtshim_aux *pAux = pVtab->pAux;
-  int rc;
-  if( pAux->bDisposed ) return SQLITE_ERROR;
-  rc = pAux->pMod->xRollbackTo(pVtab->pChild, n);
-  if( rc!=SQLITE_OK ){
-    VTSHIM_COPY_ERRMSG();
-  }
-  return rc;
-}
-
-/* The destructor function for a disposible module */
-static void vtshimAuxDestructor(void *pXAux){
-  vtshim_aux *pAux = (vtshim_aux*)pXAux;
-  assert( pAux->pAllVtab==0 );
-  if( !pAux->bDisposed && pAux->xChildDestroy ){
-    pAux->xChildDestroy(pAux->pChildAux);
-    pAux->xChildDestroy = 0;
-  }
-  sqlite3_free(pAux->zName);
-  sqlite3_free(pAux->pMod);
-  sqlite3_free(pAux);
-}
-
-static int vtshimCopyModule(
-  const sqlite3_module *pMod,   /* Source module to be copied */
-  sqlite3_module **ppMod        /* Destination for copied module */
-){
-  sqlite3_module *p;
-  if( !pMod || !ppMod ) return SQLITE_ERROR;
-  p = sqlite3_malloc( sizeof(*p) );
-  if( p==0 ) return SQLITE_NOMEM;
-  memcpy(p, pMod, sizeof(*p));
-  *ppMod = p;
-  return SQLITE_OK;
-}
-
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
-void *sqlite3_create_disposable_module(
-  sqlite3 *db,               /* SQLite connection to register module with */
-  const char *zName,         /* Name of the module */
-  const sqlite3_module *p,   /* Methods for the module */
-  void *pClientData,         /* Client data for xCreate/xConnect */
-  void(*xDestroy)(void*)     /* Module destructor function */
-){
-  vtshim_aux *pAux;
-  sqlite3_module *pMod;
-  int rc;
-  pAux = sqlite3_malloc( sizeof(*pAux) );
-  if( pAux==0 ){
-    if( xDestroy ) xDestroy(pClientData);
-    return 0;
-  }
-  rc = vtshimCopyModule(p, &pMod);
-  if( rc!=SQLITE_OK ){
-    sqlite3_free(pAux);
-    return 0;
-  }
-  pAux->pChildAux = pClientData;
-  pAux->xChildDestroy = xDestroy;
-  pAux->pMod = pMod;
-  pAux->db = db;
-  pAux->zName = sqlite3_mprintf("%s", zName);
-  pAux->bDisposed = 0;
-  pAux->pAllVtab = 0;
-  pAux->sSelf.iVersion = p->iVersion<=2 ? p->iVersion : 2;
-  pAux->sSelf.xCreate = p->xCreate ? vtshimCreate : 0;
-  pAux->sSelf.xConnect = p->xConnect ? vtshimConnect : 0;
-  pAux->sSelf.xBestIndex = p->xBestIndex ? vtshimBestIndex : 0;
-  pAux->sSelf.xDisconnect = p->xDisconnect ? vtshimDisconnect : 0;
-  pAux->sSelf.xDestroy = p->xDestroy ? vtshimDestroy : 0;
-  pAux->sSelf.xOpen = p->xOpen ? vtshimOpen : 0;
-  pAux->sSelf.xClose = p->xClose ? vtshimClose : 0;
-  pAux->sSelf.xFilter = p->xFilter ? vtshimFilter : 0;
-  pAux->sSelf.xNext = p->xNext ? vtshimNext : 0;
-  pAux->sSelf.xEof = p->xEof ? vtshimEof : 0;
-  pAux->sSelf.xColumn = p->xColumn ? vtshimColumn : 0;
-  pAux->sSelf.xRowid = p->xRowid ? vtshimRowid : 0;
-  pAux->sSelf.xUpdate = p->xUpdate ? vtshimUpdate : 0;
-  pAux->sSelf.xBegin = p->xBegin ? vtshimBegin : 0;
-  pAux->sSelf.xSync = p->xSync ? vtshimSync : 0;
-  pAux->sSelf.xCommit = p->xCommit ? vtshimCommit : 0;
-  pAux->sSelf.xRollback = p->xRollback ? vtshimRollback : 0;
-  pAux->sSelf.xFindFunction = p->xFindFunction ? vtshimFindFunction : 0;
-  pAux->sSelf.xRename = p->xRename ? vtshimRename : 0;
-  if( p->iVersion>=2 ){
-    pAux->sSelf.xSavepoint = p->xSavepoint ? vtshimSavepoint : 0;
-    pAux->sSelf.xRelease = p->xRelease ? vtshimRelease : 0;
-    pAux->sSelf.xRollbackTo = p->xRollbackTo ? vtshimRollbackTo : 0;
-  }else{
-    pAux->sSelf.xSavepoint = 0;
-    pAux->sSelf.xRelease = 0;
-    pAux->sSelf.xRollbackTo = 0;
-  }
-  rc = sqlite3_create_module_v2(db, zName, &pAux->sSelf,
-                                pAux, vtshimAuxDestructor);
-  return rc==SQLITE_OK ? (void*)pAux : 0;
-}
-
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
-void sqlite3_dispose_module(void *pX){
-  vtshim_aux *pAux = (vtshim_aux*)pX;
-  if( !pAux->bDisposed ){
-    vtshim_vtab *pVtab;
-    vtshim_cursor *pCur;
-    for(pVtab=pAux->pAllVtab; pVtab; pVtab=pVtab->pNext){
-      for(pCur=pVtab->pAllCur; pCur; pCur=pCur->pNext){
-        pAux->pMod->xClose(pCur->pChild);
-      }
-      pAux->pMod->xDisconnect(pVtab->pChild);
-    }
-    pAux->bDisposed = 1;
-    if( pAux->xChildDestroy ){
-      pAux->xChildDestroy(pAux->pChildAux);
-      pAux->xChildDestroy = 0;
-    }
-  }
-}
-
-
-#endif /* SQLITE_OMIT_VIRTUALTABLE */
-
-#ifdef _WIN32
-__declspec(dllexport)
-#endif
-int sqlite3_vtshim_init(
-  sqlite3 *db,
-  char **pzErrMsg,
-  const sqlite3_api_routines *pApi
-){
-  SQLITE_EXTENSION_INIT2(pApi);
-  return SQLITE_OK;
-}