// File: /workspace/github_c_makefile_star2_O3/shifengbin[P]bishe/Output/../Persistence/sqlite3.c
// Function: resolveExprStep
static int resolveExprStep(Walker *pWalker, Expr *pExpr){
  NameContext *pNC;
  Parse *pParse;

  pNC = pWalker->u.pNC;
  assert( pNC!=0 );
  pParse = pNC->pParse;
  assert( pParse==pWalker->pParse );

  if( ExprHasProperty(pExpr, EP_Resolved) ) return WRC_Prune;
  ExprSetProperty(pExpr, EP_Resolved);
#ifndef NDEBUG
  if( pNC->pSrcList && pNC->pSrcList->nAlloc>0 ){
    SrcList *pSrcList = pNC->pSrcList;
    int i;
    for(i=0; i<pNC->pSrcList->nSrc; i++){
      assert( pSrcList->a[i].iCursor>=0 && pSrcList->a[i].iCursor<pParse->nTab);
    }
  }
#endif
  switch( pExpr->op ){

#if defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT) && !defined(SQLITE_OMIT_SUBQUERY)
    /* The special operator TK_ROW means use the rowid for the first
    ** column in the FROM clause.  This is used by the LIMIT and ORDER BY
    ** clause processing on UPDATE and DELETE statements.
    */
    case TK_ROW: {
      SrcList *pSrcList = pNC->pSrcList;
      struct SrcList_item *pItem;
      assert( pSrcList && pSrcList->nSrc==1 );
      pItem = pSrcList->a; 
      pExpr->op = TK_COLUMN;
      pExpr->pTab = pItem->pTab;
      pExpr->iTable = pItem->iCursor;
      pExpr->iColumn = -1;
      pExpr->affinity = SQLITE_AFF_INTEGER;
      break;
    }
#endif /* defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT)
          && !defined(SQLITE_OMIT_SUBQUERY) */

    /* A lone identifier is the name of a column.
    */
    case TK_ID: {
      return lookupName(pParse, 0, 0, pExpr->u.zToken, pNC, pExpr);
    }
  
    /* A table name and column name:     ID.ID
    ** Or a database, table and column:  ID.ID.ID
    */
    case TK_DOT: {
      const char *zColumn;
      const char *zTable;
      const char *zDb;
      Expr *pRight;

      /* if( pSrcList==0 ) break; */
      notValid(pParse, pNC, "the \".\" operator", NC_IdxExpr);
      /*notValid(pParse, pNC, "the \".\" operator", NC_PartIdx|NC_IsCheck, 1);*/
      pRight = pExpr->pRight;
      if( pRight->op==TK_ID ){
        zDb = 0;
        zTable = pExpr->pLeft->u.zToken;
        zColumn = pRight->u.zToken;
      }else{
        assert( pRight->op==TK_DOT );
        zDb = pExpr->pLeft->u.zToken;
        zTable = pRight->pLeft->u.zToken;
        zColumn = pRight->pRight->u.zToken;
      }
      return lookupName(pParse, zDb, zTable, zColumn, pNC, pExpr);
    }

    /* Resolve function names
    */
    case TK_FUNCTION: {
      ExprList *pList = pExpr->x.pList;    /* The argument list */
      int n = pList ? pList->nExpr : 0;    /* Number of arguments */
      int no_such_func = 0;       /* True if no such function exists */
      int wrong_num_args = 0;     /* True if wrong number of arguments */
      int is_agg = 0;             /* True if is an aggregate function */
      int auth;                   /* Authorization to use the function */
      int nId;                    /* Number of characters in function name */
      const char *zId;            /* The function name. */
      FuncDef *pDef;              /* Information about the function */
      u8 enc = ENC(pParse->db);   /* The database encoding */

      assert( !ExprHasProperty(pExpr, EP_xIsSelect) );
      notValid(pParse, pNC, "functions", NC_PartIdx);
      zId = pExpr->u.zToken;
      nId = sqlite3Strlen30(zId);
      pDef = sqlite3FindFunction(pParse->db, zId, nId, n, enc, 0);
      if( pDef==0 ){
        pDef = sqlite3FindFunction(pParse->db, zId, nId, -2, enc, 0);
        if( pDef==0 ){
          no_such_func = 1;
        }else{
          wrong_num_args = 1;
        }
      }else{
        is_agg = pDef->xFunc==0;
        if( pDef->funcFlags & SQLITE_FUNC_UNLIKELY ){
          ExprSetProperty(pExpr, EP_Unlikely|EP_Skip);
          if( n==2 ){
            pExpr->iTable = exprProbability(pList->a[1].pExpr);
            if( pExpr->iTable<0 ){
              sqlite3ErrorMsg(pParse,
                "second argument to likelihood() must be a "
                "constant between 0.0 and 1.0");
              pNC->nErr++;
            }
          }else{
            /* EVIDENCE-OF: R-61304-29449 The unlikely(X) function is
            ** equivalent to likelihood(X, 0.0625).
            ** EVIDENCE-OF: R-01283-11636 The unlikely(X) function is
            ** short-hand for likelihood(X,0.0625).
            ** EVIDENCE-OF: R-36850-34127 The likely(X) function is short-hand
            ** for likelihood(X,0.9375).
            ** EVIDENCE-OF: R-53436-40973 The likely(X) function is equivalent
            ** to likelihood(X,0.9375). */
            /* TUNING: unlikely() probability is 0.0625.  likely() is 0.9375 */
            pExpr->iTable = pDef->zName[0]=='u' ? 8388608 : 125829120;
          }             
        }
#ifndef SQLITE_OMIT_AUTHORIZATION
        auth = sqlite3AuthCheck(pParse, SQLITE_FUNCTION, 0, pDef->zName, 0);
        if( auth!=SQLITE_OK ){
          if( auth==SQLITE_DENY ){
            sqlite3ErrorMsg(pParse, "not authorized to use function: %s",
                                    pDef->zName);
            pNC->nErr++;
          }
          pExpr->op = TK_NULL;
          return WRC_Prune;
        }
#endif
        if( pDef->funcFlags & (SQLITE_FUNC_CONSTANT|SQLITE_FUNC_SLOCHNG) ){
          /* For the purposes of the EP_ConstFunc flag, date and time
          ** functions and other functions that change slowly are considered
          ** constant because they are constant for the duration of one query */
          ExprSetProperty(pExpr,EP_ConstFunc);
        }
        if( (pDef->funcFlags & SQLITE_FUNC_CONSTANT)==0 ){
          /* Date/time functions that use 'now', and other functions like
          ** sqlite_version() that might change over time cannot be used
          ** in an index. */
          notValid(pParse, pNC, "non-deterministic functions", NC_IdxExpr);
        }
      }
      if( is_agg && (pNC->ncFlags & NC_AllowAgg)==0 ){
        sqlite3ErrorMsg(pParse, "misuse of aggregate function %.*s()", nId,zId);
        pNC->nErr++;
        is_agg = 0;
      }else if( no_such_func && pParse->db->init.busy==0 ){
        sqlite3ErrorMsg(pParse, "no such function: %.*s", nId, zId);
        pNC->nErr++;
      }else if( wrong_num_args ){
        sqlite3ErrorMsg(pParse,"wrong number of arguments to function %.*s()",
             nId, zId);
        pNC->nErr++;
      }
      if( is_agg ) pNC->ncFlags &= ~NC_AllowAgg;
      sqlite3WalkExprList(pWalker, pList);
      if( is_agg ){
        NameContext *pNC2 = pNC;
        pExpr->op = TK_AGG_FUNCTION;
        pExpr->op2 = 0;
        while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
          pExpr->op2++;
          pNC2 = pNC2->pNext;
        }
        assert( pDef!=0 );
        if( pNC2 ){
          assert( SQLITE_FUNC_MINMAX==NC_MinMaxAgg );
          testcase( (pDef->funcFlags & SQLITE_FUNC_MINMAX)!=0 );
          pNC2->ncFlags |= NC_HasAgg | (pDef->funcFlags & SQLITE_FUNC_MINMAX);

        }
        pNC->ncFlags |= NC_AllowAgg;
      }
      /* FIX ME:  Compute pExpr->affinity based on the expected return
      ** type of the function 
      */
      return WRC_Prune;
    }
#ifndef SQLITE_OMIT_SUBQUERY
    case TK_SELECT:
    case TK_EXISTS:  testcase( pExpr->op==TK_EXISTS );
#endif
    case TK_IN: {
      testcase( pExpr->op==TK_IN );
      if( ExprHasProperty(pExpr, EP_xIsSelect) ){
        int nRef = pNC->nRef;
        notValid(pParse, pNC, "subqueries", NC_IsCheck|NC_PartIdx|NC_IdxExpr);
        sqlite3WalkSelect(pWalker, pExpr->x.pSelect);
        assert( pNC->nRef>=nRef );
        if( nRef!=pNC->nRef ){
          ExprSetProperty(pExpr, EP_VarSelect);
        }
      }
      break;
    }
    case TK_VARIABLE: {
      notValid(pParse, pNC, "parameters", NC_IsCheck|NC_PartIdx|NC_IdxExpr);
      break;
    }
  }
  return (pParse->nErr || pParse->db->mallocFailed) ? WRC_Abort : WRC_Continue;
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x78, %rsp
movl 0x4(%rsi), %eax
movl $0x1, %r15d
testb $0x4, %al
jne 0x55f3d
movq %rsi, %r14
movq %rdi, %r13
movq 0x28(%rdi), %rbx
movq (%rbx), %r12
movl %eax, %ecx
orl $0x4, %ecx
movl %ecx, 0x4(%rsi)
movzbl (%rsi), %ecx
cmpl $0x76, %ecx
jle 0x55c4e
cmpl $0x86, %ecx
jg 0x55caa
cmpl $0x77, %ecx
je 0x55c65
cmpl $0x7a, %ecx
jne 0x55dcb
movl 0x30(%rbx), %esi
leaq 0x2711b(%rip), %rdx     # 0x7cd45
movq %r12, %rdi
movl $0x20, %ecx
callq 0x56e6d
movq 0x18(%r14), %rax
cmpb $0x1b, (%rax)
jne 0x55e01
xorl %esi, %esi
movq %r14, %rdx
jmp 0x55e10
cmpl $0x14, %ecx
je 0x55c65
cmpl $0x1b, %ecx
je 0x55df4
cmpl $0x4b, %ecx
jne 0x55dcb
btl $0xb, %eax
jae 0x55dcb
movl 0x28(%rbx), %r15d
movl 0x30(%rbx), %esi
leaq 0x271c7(%rip), %rdx     # 0x7ce44
movq %r12, %rdi
movl $0x34, %ecx
callq 0x56e6d
movq 0x20(%r14), %rsi
movq %r13, %rdi
callq 0x5365f
cmpl 0x28(%rbx), %r15d
je 0x55dcb
orb $0x20, 0x4(%r14)
jmp 0x55dcb
cmpl $0x87, %ecx
je 0x55db4
cmpl $0x97, %ecx
jne 0x55dcb
movq 0x20(%r14), %rax
movl $0x0, -0x2c(%rbp)
testq %rax, %rax
je 0x55cd7
movl (%rax), %ecx
movl %ecx, -0x2c(%rbp)
movq %rax, -0x48(%rbp)
movq (%r12), %rax
movb 0x4e(%rax), %al
movb %al, -0x38(%rbp)
movl 0x30(%rbx), %esi
leaq 0x270e3(%rip), %rdx     # 0x7cdd2
movq %r12, %rdi
movl $0x10, %ecx
callq 0x56e6d
movq 0x8(%r14), %rcx
testq %rcx, %rcx
movl $0x0, %edx
movq %rcx, -0x50(%rbp)
je 0x55d23
movq %rcx, %rdi
callq 0xa190
movq -0x50(%rbp), %rcx
movq %rax, %rdx
andl $0x3fffffff, %edx       # imm = 0x3FFFFFFF
movq %rdx, -0x58(%rbp)
movq (%r12), %rdi
movzbl -0x38(%rbp), %r8d
movq %rcx, %rsi
movl -0x2c(%rbp), %ecx
movl %r8d, -0x38(%rbp)
xorl %r9d, %r9d
callq 0x191e6
testq %rax, %rax
je 0x55e38
movq %rax, %rdx
movq 0x18(%rax), %rax
movq %rax, -0x38(%rbp)
testb $0x4, 0x3(%rdx)
movq %rdx, -0x40(%rbp)
je 0x55e97
orl $0x41000, 0x4(%r14)     # imm = 0x41000
cmpl $0x2, -0x2c(%rbp)
jne 0x55e7f
movq -0x48(%rbp), %rax
movq 0x8(%rax), %rax
movq 0x20(%rax), %rdi
callq 0x56eaa
movq -0x40(%rbp), %rdx
movl %eax, 0x2c(%r14)
testl %eax, %eax
jns 0x55e97
leaq 0x26fb8(%rip), %rsi     # 0x7cd56
movq %r12, %rdi
xorl %eax, %eax
callq 0x14890
movq -0x40(%rbp), %rdx
incl 0x2c(%rbx)
jmp 0x55e97
movl 0x30(%rbx), %esi
leaq 0x27091(%rip), %rdx     # 0x7ce4f
movq %r12, %rdi
movl $0x34, %ecx
callq 0x56e6d
movl $0x2, %r15d
cmpl $0x0, 0x4c(%r12)
jne 0x55f3d
movq (%r12), %rax
xorl %r15d, %r15d
cmpb $0x0, 0x51(%rax)
setne %r15b
addl %r15d, %r15d
jmp 0x55f3d
movq 0x8(%r14), %rcx
movq %r12, %rdi
xorl %esi, %esi
xorl %edx, %edx
jmp 0x55e1f
movq 0x10(%r14), %rcx
movq 0x8(%rcx), %rsi
movq %rax, %rdx
movq 0x18(%rax), %rax
movq 0x8(%rax), %rcx
movq 0x10(%rdx), %rax
movq 0x8(%rax), %rdx
movq %r12, %rdi
movq %rbx, %r8
movq %r14, %r9
addq $0x78, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
jmp 0x5646c
movq (%r12), %rdi
movq -0x50(%rbp), %rsi
movq -0x58(%rbp), %rdx
movl $0xfffffffe, %ecx       # imm = 0xFFFFFFFE
movl -0x38(%rbp), %r8d
xorl %r9d, %r9d
callq 0x191e6
testq %rax, %rax
je 0x55f24
leaq 0x26fb2(%rip), %rsi     # 0x7ce17
movq %r12, %rdi
movq -0x58(%rbp), %rdx
movq -0x50(%rbp), %rcx
xorl %eax, %eax
callq 0x14890
incl 0x2c(%rbx)
jmp 0x55f31
movq 0x30(%rdx), %rax
cmpb $0x75, (%rax)
movl $0x800000, %eax         # imm = 0x800000
movl $0x7800000, %ecx        # imm = 0x7800000
cmovel %eax, %ecx
movl %ecx, 0x2c(%r14)
movq 0x30(%rdx), %rcx
movq %r12, %rdi
movl $0x1f, %esi
xorl %edx, %edx
xorl %r8d, %r8d
callq 0x54de3
testl %eax, %eax
je 0x55ed8
cmpl $0x1, %eax
jne 0x55ed2
movq -0x40(%rbp), %rax
movq 0x30(%rax), %rdx
leaq 0x26ed8(%rip), %rsi     # 0x7cd9d
movq %r12, %rdi
xorl %eax, %eax
callq 0x14890
incl 0x2c(%rbx)
movb $0x65, (%r14)
jmp 0x55f3d
movq -0x40(%rbp), %rax
movzwl 0x2(%rax), %eax
testl $0x2800, %eax           # imm = 0x2800
je 0x55eec
orb $0x8, 0x6(%r14)
btl $0xb, %eax
jb 0x55f09
movl 0x30(%rbx), %esi
leaq 0x26ec4(%rip), %rdx     # 0x7cdc0
movq %r12, %rdi
movl $0x20, %ecx
callq 0x56e6d
cmpq $0x0, -0x38(%rbp)
jne 0x55f31
movzwl 0x30(%rbx), %eax
testb $0x1, %al
jne 0x55f5b
leaq 0x26ebd(%rip), %rsi     # 0x7cddc
jmp 0x55e65
movq (%r12), %rax
cmpb $0x0, 0xa1(%rax)
je 0x55f4f
movq %r13, %rdi
movq -0x48(%rbp), %rsi
callq 0x537b4
movl %r15d, %eax
addq $0x78, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
leaq 0x26eaa(%rip), %rsi     # 0x7ce00
jmp 0x55e65
andl $0xfffe, %eax           # imm = 0xFFFE
movw %ax, 0x30(%rbx)
movq %r13, %rdi
movq -0x48(%rbp), %rsi
callq 0x537b4
movb $-0x67, (%r14)
movb $0x0, 0x36(%r14)
leaq -0x90(%rbp), %r12
movq %rbx, %r13
movq 0x8(%r13), %rax
movq 0x20(%r14), %rsi
xorps %xmm0, %xmm0
movups %xmm0, 0x10(%r12)
movups %xmm0, (%r12)
leaq 0x131c(%rip), %rcx      # 0x572bc
movq %rcx, -0x98(%rbp)
leaq -0x68(%rbp), %rcx
movq %rcx, -0x70(%rbp)
movq %rax, -0x68(%rbp)
movq $0x0, -0x60(%rbp)
leaq -0x98(%rbp), %rdi
callq 0x537b4
cmpl $0x0, -0x60(%rbp)
jg 0x55fe2
cmpl $0x0, -0x5c(%rbp)
je 0x55fe2
incb 0x36(%r14)
movq 0x20(%r13), %r13
testq %r13, %r13
jne 0x55f83
jmp 0x55ffc
movq -0x40(%rbp), %rax
movzwl 0x2(%rax), %eax
andl $0x1000, %eax           # imm = 0x1000
orw 0x30(%r13), %ax
orl $0x2, %eax
movw %ax, 0x30(%r13)
orb $0x1, 0x30(%rbx)
jmp 0x55f3d