Skip navigation links

MySQL Newsletter - Subscribe Today!

The world's most popular open source database

MySQL 5.1: sp_instr Class Reference

sp_instr Class Reference

#include <sp_head.h>

Inheritance diagram for sp_instr:

Inheritance graph
[legend]
Collaboration diagram for sp_instr:

Collaboration graph
[legend]
List of all members.

Public Member Functions

 sp_instr (uint ip, sp_pcontext *ctx)
virtual ~sp_instr ()
virtual int execute (THD *thd, uint *nextp)=0
virtual int exec_core (THD *thd, uint *nextp)
virtual void print (String *str)=0
virtual void backpatch (uint dest, sp_pcontext *dst_ctx)
virtual uint opt_mark (sp_head *sp)
virtual uint opt_shortcut_jump (sp_head *sp, sp_instr *start)
virtual void opt_move (uint dst, List< sp_instr > *ibp)

Public Attributes

uint marked
uint m_ip
sp_pcontext * m_ctx

Private Member Functions

 sp_instr (const sp_instr &)
void operator= (sp_instr &)

Detailed Description

Definition at line 425 of file sp_head.h.

Constructor & Destructor Documentation

sp_instr::sp_instr ( const sp_instr &   )  [private]

sp_instr::sp_instr ( uint  ip,
sp_pcontext *  ctx 
) [inline]

Definition at line 437 of file sp_head.h.

00438     :Query_arena(0, INITIALIZED_FOR_SP), marked(0), m_ip(ip), m_ctx(ctx)
00439   {}

virtual sp_instr::~sp_instr (  )  [inline, virtual]

Definition at line 441 of file sp_head.h.

References free_items().

00442   { free_items(); }

Here is the call graph for this function:

Member Function Documentation

virtual void sp_instr::backpatch ( uint  dest,
sp_pcontext *  dst_ctx 
) [inline, virtual]

Reimplemented in sp_instr_jump.

Definition at line 475 of file sp_head.h.

Referenced by sp_head::backpatch().

00476   {}

Here is the caller graph for this function:

int sp_instr::exec_core ( THD *  thd,
uint *  nextp 
) [virtual]

Reimplemented in sp_instr_stmt, sp_instr_set, sp_instr_set_trigger_field, sp_instr_jump_if_not, sp_instr_freturn, sp_instr_copen, and sp_instr_set_case_expr.

Definition at line 2451 of file sp_head.cc.

References DBUG_ASSERT.

Referenced by sp_lex_keeper::reset_lex_and_exec_core().

02452 {
02453   DBUG_ASSERT(0);
02454   return 0;
02455 }

Here is the caller graph for this function:

virtual int sp_instr::execute ( THD *  thd,
uint *  nextp 
) [pure virtual]

Implemented in sp_instr_stmt, sp_instr_set, sp_instr_set_trigger_field, sp_instr_jump, sp_instr_jump_if_not, sp_instr_freturn, sp_instr_hpush_jump, sp_instr_hpop, sp_instr_hreturn, sp_instr_cpush, sp_instr_cpop, sp_instr_copen, sp_instr_cclose, sp_instr_cfetch, sp_instr_error, and sp_instr_set_case_expr.

Referenced by sp_head::execute().

Here is the caller graph for this function:

void sp_instr::operator= ( sp_instr &   )  [private]

virtual uint sp_instr::opt_mark ( sp_head *  sp  )  [inline, virtual]

Reimplemented in sp_instr_jump, sp_instr_jump_if_not, sp_instr_freturn, sp_instr_hpush_jump, sp_instr_hreturn, sp_instr_error, and sp_instr_set_case_expr.

Definition at line 483 of file sp_head.h.

References m_ip, and marked.

Referenced by sp_head::opt_mark().

00484   {
00485     marked= 1;
00486     return m_ip+1;
00487   }

Here is the caller graph for this function:

virtual void sp_instr::opt_move ( uint  dst,
List< sp_instr > *  ibp 
) [inline, virtual]

Reimplemented in sp_instr_jump, sp_instr_jump_if_not, and sp_instr_set_case_expr.

Definition at line 506 of file sp_head.h.

References m_ip.

Referenced by sp_head::optimize().

00507   {
00508     m_ip= dst;
00509   }

Here is the caller graph for this function:

virtual uint sp_instr::opt_shortcut_jump ( sp_head *  sp,
sp_instr *  start 
) [inline, virtual]

Reimplemented in sp_instr_jump, sp_instr_jump_if_not, and sp_instr_hpush_jump.

Definition at line 495 of file sp_head.h.

References m_ip.

Referenced by sp_instr_set_case_expr::opt_mark(), sp_instr_hpush_jump::opt_mark(), sp_instr_jump_if_not::opt_mark(), and sp_instr_jump::opt_shortcut_jump().

00496   {
00497     return m_ip;
00498   }

Here is the caller graph for this function:

virtual void sp_instr::print ( String *  str  )  [pure virtual]

Implemented in sp_instr_stmt, sp_instr_set, sp_instr_set_trigger_field, sp_instr_jump, sp_instr_jump_if_not, sp_instr_freturn, sp_instr_hpush_jump, sp_instr_hpop, sp_instr_hreturn, sp_instr_cpush, sp_instr_cpop, sp_instr_copen, sp_instr_cclose, sp_instr_cfetch, sp_instr_error, and sp_instr_set_case_expr.

Referenced by sp_head::create(), and sp_head::show_routine_code().

Here is the caller graph for this function:

Member Data Documentation

sp_pcontext* sp_instr::m_ctx

Definition at line 434 of file sp_head.h.

Referenced by sp_instr_cfetch::print(), sp_instr_cclose::print(), sp_instr_copen::print(), sp_instr_cpush::print(), and sp_instr_set::print().

uint sp_instr::m_ip

Definition at line 433 of file sp_head.h.

Referenced by sp_instr_set_case_expr::exec_core(), sp_instr_copen::exec_core(), sp_instr_jump_if_not::exec_core(), sp_instr_set_trigger_field::exec_core(), sp_instr_set::exec_core(), sp_instr_stmt::exec_core(), sp_instr_error::execute(), sp_instr_cfetch::execute(), sp_instr_cclose::execute(), sp_instr_cpop::execute(), sp_instr_cpush::execute(), sp_instr_hpop::execute(), sp_instr_hpush_jump::execute(), sp_instr_stmt::execute(), opt_mark(), sp_instr_set_case_expr::opt_mark(), sp_instr_hpush_jump::opt_mark(), sp_instr_jump_if_not::opt_mark(), sp_instr_jump::opt_mark(), opt_move(), sp_instr_set_case_expr::opt_move(), sp_instr_jump_if_not::opt_move(), sp_instr_jump::opt_move(), sp_instr_hpush_jump::opt_shortcut_jump(), sp_instr_jump_if_not::opt_shortcut_jump(), opt_shortcut_jump(), and sp_head::show_routine_code().

uint sp_instr::marked

Definition at line 432 of file sp_head.h.

Referenced by sp_instr_error::opt_mark(), sp_instr_freturn::opt_mark(), opt_mark(), sp_instr_set_case_expr::opt_mark(), sp_instr_hreturn::opt_mark(), sp_instr_hpush_jump::opt_mark(), sp_instr_jump_if_not::opt_mark(), sp_instr_jump::opt_mark(), sp_head::opt_mark(), and sp_head::optimize().

The documentation for this class was generated from the following files:
Generated on Sat Sep 9 23:26:26 2006 for MySQL 5.1 by  doxygen 1.4.7