| Index: third_party/sqlite/src/src/vdbe.h
|
| diff --git a/third_party/sqlite/src/src/vdbe.h b/third_party/sqlite/src/src/vdbe.h
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..43044533f3132385ed5a2704c25f5420e37cd541
|
| --- /dev/null
|
| +++ b/third_party/sqlite/src/src/vdbe.h
|
| @@ -0,0 +1,230 @@
|
| +/*
|
| +** 2001 September 15
|
| +**
|
| +** 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.
|
| +**
|
| +*************************************************************************
|
| +** Header file for the Virtual DataBase Engine (VDBE)
|
| +**
|
| +** This header defines the interface to the virtual database engine
|
| +** or VDBE. The VDBE implements an abstract machine that runs a
|
| +** simple program to access and modify the underlying database.
|
| +*/
|
| +#ifndef _SQLITE_VDBE_H_
|
| +#define _SQLITE_VDBE_H_
|
| +#include <stdio.h>
|
| +
|
| +/*
|
| +** A single VDBE is an opaque structure named "Vdbe". Only routines
|
| +** in the source file sqliteVdbe.c are allowed to see the insides
|
| +** of this structure.
|
| +*/
|
| +typedef struct Vdbe Vdbe;
|
| +
|
| +/*
|
| +** The names of the following types declared in vdbeInt.h are required
|
| +** for the VdbeOp definition.
|
| +*/
|
| +typedef struct VdbeFunc VdbeFunc;
|
| +typedef struct Mem Mem;
|
| +typedef struct SubProgram SubProgram;
|
| +
|
| +/*
|
| +** A single instruction of the virtual machine has an opcode
|
| +** and as many as three operands. The instruction is recorded
|
| +** as an instance of the following structure:
|
| +*/
|
| +struct VdbeOp {
|
| + u8 opcode; /* What operation to perform */
|
| + signed char p4type; /* One of the P4_xxx constants for p4 */
|
| + u8 opflags; /* Mask of the OPFLG_* flags in opcodes.h */
|
| + u8 p5; /* Fifth parameter is an unsigned character */
|
| + int p1; /* First operand */
|
| + int p2; /* Second parameter (often the jump destination) */
|
| + int p3; /* The third parameter */
|
| + union { /* fourth parameter */
|
| + int i; /* Integer value if p4type==P4_INT32 */
|
| + void *p; /* Generic pointer */
|
| + char *z; /* Pointer to data for string (char array) types */
|
| + i64 *pI64; /* Used when p4type is P4_INT64 */
|
| + double *pReal; /* Used when p4type is P4_REAL */
|
| + FuncDef *pFunc; /* Used when p4type is P4_FUNCDEF */
|
| + VdbeFunc *pVdbeFunc; /* Used when p4type is P4_VDBEFUNC */
|
| + CollSeq *pColl; /* Used when p4type is P4_COLLSEQ */
|
| + Mem *pMem; /* Used when p4type is P4_MEM */
|
| + VTable *pVtab; /* Used when p4type is P4_VTAB */
|
| + KeyInfo *pKeyInfo; /* Used when p4type is P4_KEYINFO */
|
| + int *ai; /* Used when p4type is P4_INTARRAY */
|
| + SubProgram *pProgram; /* Used when p4type is P4_SUBPROGRAM */
|
| + } p4;
|
| +#ifdef SQLITE_DEBUG
|
| + char *zComment; /* Comment to improve readability */
|
| +#endif
|
| +#ifdef VDBE_PROFILE
|
| + int cnt; /* Number of times this instruction was executed */
|
| + u64 cycles; /* Total time spent executing this instruction */
|
| +#endif
|
| +};
|
| +typedef struct VdbeOp VdbeOp;
|
| +
|
| +
|
| +/*
|
| +** A sub-routine used to implement a trigger program.
|
| +*/
|
| +struct SubProgram {
|
| + VdbeOp *aOp; /* Array of opcodes for sub-program */
|
| + int nOp; /* Elements in aOp[] */
|
| + int nMem; /* Number of memory cells required */
|
| + int nCsr; /* Number of cursors required */
|
| + void *token; /* id that may be used to recursive triggers */
|
| + SubProgram *pNext; /* Next sub-program already visited */
|
| +};
|
| +
|
| +/*
|
| +** A smaller version of VdbeOp used for the VdbeAddOpList() function because
|
| +** it takes up less space.
|
| +*/
|
| +struct VdbeOpList {
|
| + u8 opcode; /* What operation to perform */
|
| + signed char p1; /* First operand */
|
| + signed char p2; /* Second parameter (often the jump destination) */
|
| + signed char p3; /* Third parameter */
|
| +};
|
| +typedef struct VdbeOpList VdbeOpList;
|
| +
|
| +/*
|
| +** Allowed values of VdbeOp.p4type
|
| +*/
|
| +#define P4_NOTUSED 0 /* The P4 parameter is not used */
|
| +#define P4_DYNAMIC (-1) /* Pointer to a string obtained from sqliteMalloc() */
|
| +#define P4_STATIC (-2) /* Pointer to a static string */
|
| +#define P4_COLLSEQ (-4) /* P4 is a pointer to a CollSeq structure */
|
| +#define P4_FUNCDEF (-5) /* P4 is a pointer to a FuncDef structure */
|
| +#define P4_KEYINFO (-6) /* P4 is a pointer to a KeyInfo structure */
|
| +#define P4_VDBEFUNC (-7) /* P4 is a pointer to a VdbeFunc structure */
|
| +#define P4_MEM (-8) /* P4 is a pointer to a Mem* structure */
|
| +#define P4_TRANSIENT 0 /* P4 is a pointer to a transient string */
|
| +#define P4_VTAB (-10) /* P4 is a pointer to an sqlite3_vtab structure */
|
| +#define P4_MPRINTF (-11) /* P4 is a string obtained from sqlite3_mprintf() */
|
| +#define P4_REAL (-12) /* P4 is a 64-bit floating point value */
|
| +#define P4_INT64 (-13) /* P4 is a 64-bit signed integer */
|
| +#define P4_INT32 (-14) /* P4 is a 32-bit signed integer */
|
| +#define P4_INTARRAY (-15) /* P4 is a vector of 32-bit integers */
|
| +#define P4_SUBPROGRAM (-18) /* P4 is a pointer to a SubProgram structure */
|
| +
|
| +/* When adding a P4 argument using P4_KEYINFO, a copy of the KeyInfo structure
|
| +** is made. That copy is freed when the Vdbe is finalized. But if the
|
| +** argument is P4_KEYINFO_HANDOFF, the passed in pointer is used. It still
|
| +** gets freed when the Vdbe is finalized so it still should be obtained
|
| +** from a single sqliteMalloc(). But no copy is made and the calling
|
| +** function should *not* try to free the KeyInfo.
|
| +*/
|
| +#define P4_KEYINFO_HANDOFF (-16)
|
| +#define P4_KEYINFO_STATIC (-17)
|
| +
|
| +/*
|
| +** The Vdbe.aColName array contains 5n Mem structures, where n is the
|
| +** number of columns of data returned by the statement.
|
| +*/
|
| +#define COLNAME_NAME 0
|
| +#define COLNAME_DECLTYPE 1
|
| +#define COLNAME_DATABASE 2
|
| +#define COLNAME_TABLE 3
|
| +#define COLNAME_COLUMN 4
|
| +#ifdef SQLITE_ENABLE_COLUMN_METADATA
|
| +# define COLNAME_N 5 /* Number of COLNAME_xxx symbols */
|
| +#else
|
| +# ifdef SQLITE_OMIT_DECLTYPE
|
| +# define COLNAME_N 1 /* Store only the name */
|
| +# else
|
| +# define COLNAME_N 2 /* Store the name and decltype */
|
| +# endif
|
| +#endif
|
| +
|
| +/*
|
| +** The following macro converts a relative address in the p2 field
|
| +** of a VdbeOp structure into a negative number so that
|
| +** sqlite3VdbeAddOpList() knows that the address is relative. Calling
|
| +** the macro again restores the address.
|
| +*/
|
| +#define ADDR(X) (-1-(X))
|
| +
|
| +/*
|
| +** The makefile scans the vdbe.c source file and creates the "opcodes.h"
|
| +** header file that defines a number for each opcode used by the VDBE.
|
| +*/
|
| +#include "opcodes.h"
|
| +
|
| +/*
|
| +** Prototypes for the VDBE interface. See comments on the implementation
|
| +** for a description of what each of these routines does.
|
| +*/
|
| +Vdbe *sqlite3VdbeCreate(sqlite3*);
|
| +int sqlite3VdbeAddOp0(Vdbe*,int);
|
| +int sqlite3VdbeAddOp1(Vdbe*,int,int);
|
| +int sqlite3VdbeAddOp2(Vdbe*,int,int,int);
|
| +int sqlite3VdbeAddOp3(Vdbe*,int,int,int,int);
|
| +int sqlite3VdbeAddOp4(Vdbe*,int,int,int,int,const char *zP4,int);
|
| +int sqlite3VdbeAddOp4Int(Vdbe*,int,int,int,int,int);
|
| +int sqlite3VdbeAddOpList(Vdbe*, int nOp, VdbeOpList const *aOp);
|
| +void sqlite3VdbeChangeP1(Vdbe*, int addr, int P1);
|
| +void sqlite3VdbeChangeP2(Vdbe*, int addr, int P2);
|
| +void sqlite3VdbeChangeP3(Vdbe*, int addr, int P3);
|
| +void sqlite3VdbeChangeP5(Vdbe*, u8 P5);
|
| +void sqlite3VdbeJumpHere(Vdbe*, int addr);
|
| +void sqlite3VdbeChangeToNoop(Vdbe*, int addr, int N);
|
| +void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
|
| +void sqlite3VdbeUsesBtree(Vdbe*, int);
|
| +VdbeOp *sqlite3VdbeGetOp(Vdbe*, int);
|
| +int sqlite3VdbeMakeLabel(Vdbe*);
|
| +void sqlite3VdbeRunOnlyOnce(Vdbe*);
|
| +void sqlite3VdbeDelete(Vdbe*);
|
| +void sqlite3VdbeDeleteObject(sqlite3*,Vdbe*);
|
| +void sqlite3VdbeMakeReady(Vdbe*,int,int,int,int,int,int);
|
| +int sqlite3VdbeFinalize(Vdbe*);
|
| +void sqlite3VdbeResolveLabel(Vdbe*, int);
|
| +int sqlite3VdbeCurrentAddr(Vdbe*);
|
| +#ifdef SQLITE_DEBUG
|
| + int sqlite3VdbeAssertMayAbort(Vdbe *, int);
|
| + void sqlite3VdbeTrace(Vdbe*,FILE*);
|
| +#endif
|
| +void sqlite3VdbeResetStepResult(Vdbe*);
|
| +int sqlite3VdbeReset(Vdbe*);
|
| +void sqlite3VdbeSetNumCols(Vdbe*,int);
|
| +int sqlite3VdbeSetColName(Vdbe*, int, int, const char *, void(*)(void*));
|
| +void sqlite3VdbeCountChanges(Vdbe*);
|
| +sqlite3 *sqlite3VdbeDb(Vdbe*);
|
| +void sqlite3VdbeSetSql(Vdbe*, const char *z, int n, int);
|
| +void sqlite3VdbeSwap(Vdbe*,Vdbe*);
|
| +VdbeOp *sqlite3VdbeTakeOpArray(Vdbe*, int*, int*);
|
| +sqlite3_value *sqlite3VdbeGetValue(Vdbe*, int, u8);
|
| +void sqlite3VdbeSetVarmask(Vdbe*, int);
|
| +#ifndef SQLITE_OMIT_TRACE
|
| + char *sqlite3VdbeExpandSql(Vdbe*, const char*);
|
| +#endif
|
| +
|
| +UnpackedRecord *sqlite3VdbeRecordUnpack(KeyInfo*,int,const void*,char*,int);
|
| +void sqlite3VdbeDeleteUnpackedRecord(UnpackedRecord*);
|
| +int sqlite3VdbeRecordCompare(int,const void*,UnpackedRecord*);
|
| +
|
| +#ifndef SQLITE_OMIT_TRIGGER
|
| +void sqlite3VdbeLinkSubProgram(Vdbe *, SubProgram *);
|
| +#endif
|
| +
|
| +
|
| +#ifndef NDEBUG
|
| + void sqlite3VdbeComment(Vdbe*, const char*, ...);
|
| +# define VdbeComment(X) sqlite3VdbeComment X
|
| + void sqlite3VdbeNoopComment(Vdbe*, const char*, ...);
|
| +# define VdbeNoopComment(X) sqlite3VdbeNoopComment X
|
| +#else
|
| +# define VdbeComment(X)
|
| +# define VdbeNoopComment(X)
|
| +#endif
|
| +
|
| +#endif
|
|
|