diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vdbe.c | 28 | ||||
| -rw-r--r-- | src/vdbeaux.c | 8 |
2 files changed, 23 insertions, 13 deletions
diff --git a/src/vdbe.c b/src/vdbe.c index 709ebd9fb..faa12aaf8 100644 --- a/src/vdbe.c +++ b/src/vdbe.c @@ -1129,7 +1129,7 @@ case OP_Return: { /* in1 */ ** ** See also: EndCoroutine */ -case OP_InitCoroutine: { /* jump */ +case OP_InitCoroutine: { /* jump0 */ assert( pOp->p1>0 && pOp->p1<=(p->nMem+1 - p->nCursor) ); assert( pOp->p2>=0 && pOp->p2<p->nOp ); assert( pOp->p3>=0 && pOp->p3<p->nOp ); @@ -1182,7 +1182,7 @@ case OP_EndCoroutine: { /* in1 */ ** ** See also: InitCoroutine */ -case OP_Yield: { /* in1, jump */ +case OP_Yield: { /* in1, jump0 */ int pcDest; pIn1 = &aMem[pOp->p1]; assert( VdbeMemDynamic(pIn1)==0 ); @@ -2041,7 +2041,7 @@ case OP_AddImm: { /* in1 */ ** without data loss, then jump immediately to P2, or if P2==0 ** raise an SQLITE_MISMATCH exception. */ -case OP_MustBeInt: { /* jump, in1 */ +case OP_MustBeInt: { /* jump0, in1 */ pIn1 = &aMem[pOp->p1]; if( (pIn1->flags & MEM_Int)==0 ){ applyAffinity(pIn1, SQLITE_AFF_NUMERIC, encoding); @@ -4725,10 +4725,10 @@ case OP_ColumnsUsed: { ** ** See also: Found, NotFound, SeekGt, SeekGe, SeekLt */ -case OP_SeekLT: /* jump, in3, group, ncycle */ -case OP_SeekLE: /* jump, in3, group, ncycle */ -case OP_SeekGE: /* jump, in3, group, ncycle */ -case OP_SeekGT: { /* jump, in3, group, ncycle */ +case OP_SeekLT: /* jump0, in3, group, ncycle */ +case OP_SeekLE: /* jump0, in3, group, ncycle */ +case OP_SeekGE: /* jump0, in3, group, ncycle */ +case OP_SeekGT: { /* jump0, in3, group, ncycle */ int res; /* Comparison result */ int oc; /* Opcode */ VdbeCursor *pC; /* The cursor to seek */ @@ -5395,7 +5395,7 @@ case OP_Found: { /* jump, in3, ncycle */ ** ** See also: Found, NotFound, NoConflict, SeekRowid */ -case OP_SeekRowid: { /* jump, in3, ncycle */ +case OP_SeekRowid: { /* jump0, in3, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; @@ -6154,7 +6154,7 @@ case OP_NullRow: { ** configured to use Prev, not Next. */ case OP_SeekEnd: /* ncycle */ -case OP_Last: { /* jump, ncycle */ +case OP_Last: { /* jump0, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; @@ -6271,7 +6271,7 @@ case OP_Sort: { /* jump ncycle */ ** from the beginning toward the end. In other words, the cursor is ** configured to use Next, not Prev. */ -case OP_Rewind: { /* jump, ncycle */ +case OP_Rewind: { /* jump0, ncycle */ VdbeCursor *pC; BtCursor *pCrsr; int res; @@ -7279,7 +7279,9 @@ case OP_RowSetTest: { /* jump, in1, in3 */ ** P1 contains the address of the memory cell that contains the first memory ** cell in an array of values used as arguments to the sub-program. P2 ** contains the address to jump to if the sub-program throws an IGNORE -** exception using the RAISE() function. Register P3 contains the address +** exception using the RAISE() function. P2 might be zero, if there is +** no possibility that an IGNORE exception will be raised. +** Register P3 contains the address ** of a memory cell in this (the parent) VM that is used to allocate the ** memory required by the sub-vdbe at runtime. ** @@ -7287,7 +7289,7 @@ case OP_RowSetTest: { /* jump, in1, in3 */ ** ** If P5 is non-zero, then recursive program invocation is enabled. */ -case OP_Program: { /* jump */ +case OP_Program: { /* jump0 */ int nMem; /* Number of memory registers for sub-program */ int nByte; /* Bytes of runtime space required for sub-program */ Mem *pRt; /* Register to allocate runtime space */ @@ -8836,7 +8838,7 @@ case OP_Filter: { /* jump */ ** error is encountered. */ case OP_Trace: -case OP_Init: { /* jump */ +case OP_Init: { /* jump0 */ int i; #ifndef SQLITE_OMIT_TRACE char *zTrace; diff --git a/src/vdbeaux.c b/src/vdbeaux.c index 209d02a04..6519bc965 100644 --- a/src/vdbeaux.c +++ b/src/vdbeaux.c @@ -939,6 +939,14 @@ static void resolveP2Values(Vdbe *p, int *pMaxFuncArgs){ assert( aLabel!=0 ); /* True because of tag-20230419-1 */ pOp->p2 = aLabel[ADDR(pOp->p2)]; } + + /* OPFLG_JUMP opcodes never have P2==0, though OPFLG_JUMP0 opcodes + ** might */ + assert( pOp->p2>0 + || (sqlite3OpcodeProperty[pOp->opcode] & OPFLG_JUMP0)!=0 ); + + /* Jumps never go off the end of the bytecode array */ + assert( pOp->p2<p->nOp ); break; } } |