// File: /workspace/github_c_makefile_star2_O2/genometools[P]genometools/src/external/sqlite-3.33.0/sqlite3.c
// Function: whereScanNext
static WhereTerm *whereScanNext(WhereScan *pScan){
  int iCur;            /* The cursor on the LHS of the term */
  i16 iColumn;         /* The column on the LHS of the term.  -1 for IPK */
  Expr *pX;            /* An expression being tested */
  WhereClause *pWC;    /* Shorthand for pScan->pWC */
  WhereTerm *pTerm;    /* The term being tested */
  int k = pScan->k;    /* Where to start scanning */

  assert( pScan->iEquiv<=pScan->nEquiv );
  pWC = pScan->pWC;
  while(1){
    iColumn = pScan->aiColumn[pScan->iEquiv-1];
    iCur = pScan->aiCur[pScan->iEquiv-1];
    assert( pWC!=0 );
    do{
      for(pTerm=pWC->a+k; k<pWC->nTerm; k++, pTerm++){
        if( pTerm->leftCursor==iCur
         && pTerm->u.leftColumn==iColumn
         && (iColumn!=XN_EXPR
             || sqlite3ExprCompareSkip(pTerm->pExpr->pLeft,
                                       pScan->pIdxExpr,iCur)==0)
         && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_FromJoin))
        ){
          if( (pTerm->eOperator & WO_EQUIV)!=0
           && pScan->nEquiv<ArraySize(pScan->aiCur)
           && (pX = sqlite3ExprSkipCollateAndLikely(pTerm->pExpr->pRight))->op
               ==TK_COLUMN
          ){
            int j;
            for(j=0; j<pScan->nEquiv; j++){
              if( pScan->aiCur[j]==pX->iTable
               && pScan->aiColumn[j]==pX->iColumn ){
                  break;
              }
            }
            if( j==pScan->nEquiv ){
              pScan->aiCur[j] = pX->iTable;
              pScan->aiColumn[j] = pX->iColumn;
              pScan->nEquiv++;
            }
          }
          if( (pTerm->eOperator & pScan->opMask)!=0 ){
            /* Verify the affinity and collating sequence match */
            if( pScan->zCollName && (pTerm->eOperator & WO_ISNULL)==0 ){
              CollSeq *pColl;
              Parse *pParse = pWC->pWInfo->pParse;
              pX = pTerm->pExpr;
              if( !sqlite3IndexAffinityOk(pX, pScan->idxaff) ){
                continue;
              }
              assert(pX->pLeft);
              pColl = sqlite3ExprCompareCollSeq(pParse, pX);
              if( pColl==0 ) pColl = pParse->db->pDfltColl;
              if( sqlite3StrICmp(pColl->zName, pScan->zCollName) ){
                continue;
              }
            }
            if( (pTerm->eOperator & (WO_EQ|WO_IS))!=0
             && (pX = pTerm->pExpr->pRight)->op==TK_COLUMN
             && pX->iTable==pScan->aiCur[0]
             && pX->iColumn==pScan->aiColumn[0]
            ){
              testcase( pTerm->eOperator & WO_IS );
              continue;
            }
            pScan->pWC = pWC;
            pScan->k = k+1;
            return pTerm;
          }
        }
      }
      pWC = pWC->pOuter;
      k = 0;
    }while( pWC!=0 );
    if( pScan->iEquiv>=pScan->nEquiv ) break;
    pWC = pScan->pOrigWC;
    k = 0;
    pScan->iEquiv++;
  }
  return 0;
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x18, %rsp
movq %rdi, %rbx
movl 0x28(%rdi), %r15d
movq 0x8(%rdi), %r13
movb 0x22(%rdi), %al
movzbl %al, %eax
movswl 0x56(%rbx,%rax,2), %r12d
movl 0x28(%rbx,%rax,4), %ebp
movl %r12d, 0xc(%rsp)
movslq %r15d, %r14
shlq $0x6, %r14
addq 0x20(%r13), %r14
cmpl 0x14(%r13), %r15d
jge 0x279247
cmpl %ebp, 0x1c(%r14)
jne 0x27923b
cmpl %r12d, 0x28(%r14)
jne 0x27923b
cmpw $-0x2, %r12w
jne 0x27911e
movq (%r14), %rax
movq 0x10(%rax), %rdi
movq 0x18(%rbx), %rsi
movl %ebp, %edx
callq 0x278f01
testl %eax, %eax
jne 0x27923b
cmpb $0x2, 0x22(%rbx)
jb 0x279131
movq (%r14), %rax
testb $0x1, 0x4(%rax)
jne 0x27923b
movl 0x14(%r14), %esi
btl $0xb, %esi
jae 0x2791a6
movzbl 0x21(%rbx), %r12d
cmpq $0xa, %r12
ja 0x2791a6
movl %esi, (%rsp)
movq (%r14), %rax
movq 0x18(%rax), %rdi
callq 0x267d34
cmpb $-0x5c, (%rax)
jne 0x27917d
xorl %ecx, %ecx
movl (%rsp), %esi
cmpq %rcx, %r12
je 0x279187
movl 0x2c(%rbx,%rcx,4), %edx
cmpl 0x2c(%rax), %edx
jne 0x279178
movzwl 0x58(%rbx,%rcx,2), %edx
cmpw 0x30(%rax), %dx
je 0x279182
incq %rcx
jmp 0x27915f
movl (%rsp), %esi
jmp 0x2791a6
cmpq %rcx, %r12
jne 0x2791a6
movl 0x2c(%rax), %ecx
movl %ecx, 0x2c(%rbx,%r12,4)
movzwl 0x30(%rax), %eax
movw %ax, 0x58(%rbx,%r12,2)
leal 0x1(%r12), %eax
movb %al, 0x21(%rbx)
movzwl 0x14(%r14), %esi
movzwl %si, %eax
testl %eax, 0x24(%rbx)
movl 0xc(%rsp), %r12d
je 0x27923b
btl $0x8, %eax
jb 0x279217
cmpq $0x0, 0x10(%rbx)
je 0x279217
movq (%r13), %rax
movq (%rax), %rax
movq %rax, (%rsp)
movq (%r14), %rdi
movsbl 0x20(%rbx), %esi
movq %rdi, 0x10(%rsp)
callq 0x2792aa
testl %eax, %eax
je 0x27923b
movq (%rsp), %rdi
movq 0x10(%rsp), %rsi
callq 0x22953c
testq %rax, %rax
jne 0x279202
movq (%rsp), %rax
movq (%rax), %rax
movq 0x10(%rax), %rax
movq (%rax), %rdi
movq 0x10(%rbx), %rsi
callq 0x221779
testl %eax, %eax
jne 0x27923b
movzwl 0x14(%r14), %esi
testb $-0x7e, %sil
je 0x27926f
movq (%r14), %rax
movq 0x18(%rax), %rax
cmpb $-0x5c, (%rax)
jne 0x27926f
movl 0x2c(%rax), %ecx
cmpl 0x2c(%rbx), %ecx
jne 0x27926f
movzwl 0x30(%rax), %eax
cmpw 0x58(%rbx), %ax
jne 0x27926f
incl %r15d
addq $0x40, %r14
jmp 0x2790df
movq 0x8(%r13), %r13
xorl %r15d, %r15d
testq %r13, %r13
jne 0x2790d4
movb 0x22(%rbx), %al
cmpb 0x21(%rbx), %al
jae 0x27928c
movq (%rbx), %r13
incb %al
movb %al, 0x22(%rbx)
xorl %r15d, %r15d
jmp 0x2790c2
movq %r13, 0x8(%rbx)
incl %r15d
movl %r15d, 0x28(%rbx)
movq %r14, %rax
addq $0x18, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
xorl %r14d, %r14d
jmp 0x27927a