MySQL 5.1: sp_instr_hreturn Class Reference

sp_instr_hreturn Class Reference

#include <sp_head.h>

Inheritance diagram for sp_instr_hreturn:

[legend]Collaboration diagram for sp_instr_hreturn:


Public Member Functions
	sp_instr_hreturn (uint ip, sp_pcontext *ctx, uint fp)
virtual	~sp_instr_hreturn ()
virtual int	execute (THD thd, uint nextp)
virtual void	print (String *str)
virtual uint	opt_mark (sp_head *sp)
Private Member Functions
	sp_instr_hreturn (const sp_instr_hreturn &)
void	operator= (sp_instr_hreturn &)
Private Attributes
uint	m_frame

Detailed Description

Definition at line 935 of file sp_head.h.

Constructor & Destructor Documentation

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

sp_instr_hreturn::sp_instr_hreturn	(	uint	ip,
		sp_pcontext *	ctx,
		uint	fp
	)			`[inline]`

Definition at line 942 of file sp_head.h.

00943     : sp_instr_jump(ip, ctx), m_frame(fp)
00944   {}

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

Definition at line 946 of file sp_head.h.

00947   {}

Member Function Documentation

int sp_instr_hreturn::execute	(	THD *	thd,
		uint *	nextp
	)			`[virtual]`

Reimplemented from sp_instr_jump.

Definition at line 2937 of file sp_head.cc.

References DBUG_ENTER, DBUG_RETURN, and sp_instr_opt_meta::m_dest.

02938 {
02939   DBUG_ENTER("sp_instr_hreturn::execute");
02940   if (m_dest)
02941     *nextp= m_dest;
02942   else
02943   {
02944     *nextp= thd->spcont->pop_hstack();
02945   }
02946   thd->spcont->exit_handler();
02947   DBUG_RETURN(0);
02948 }

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

uint sp_instr_hreturn::opt_mark ( sp_head * sp ) [virtual]

Reimplemented from sp_instr_jump.

Definition at line 2968 of file sp_head.cc.

References sp_instr_opt_meta::m_dest, sp_instr::marked, and sp_instr_jump::opt_mark().

02969 {
02970   if (m_dest)
02971     return sp_instr_jump::opt_mark(sp);
02972   else
02973   {
02974     marked= 1;
02975     return UINT_MAX;
02976   }
02977 }

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void sp_instr_hreturn::print ( String * str ) [virtual]

Reimplemented from sp_instr_jump.

Definition at line 2952 of file sp_head.cc.

References sp_instr_opt_meta::m_dest, m_frame, String::qs_append(), String::reserve(), SP_INSTR_UINT_MAXLEN, and STRING_WITH_LEN.

02953 {
02954   /* hreturn framesize dest */
02955   if (str->reserve(SP_INSTR_UINT_MAXLEN*2 + 9))
02956     return;
02957   str->qs_append(STRING_WITH_LEN("hreturn "));
02958   str->qs_append(m_frame);
02959   if (m_dest)
02960   {
02961     str->qs_append(' ');
02962     str->qs_append(m_dest);
02963   }
02964 }

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Member Data Documentation

uint sp_instr_hreturn::m_frame [private]

Definition at line 957 of file sp_head.h.

Referenced by print().

The documentation for this class was generated from the following files:

mysql/src/5.1-dbg/sql/sp_head.h
mysql/src/5.1-dbg/sql/sp_head.cc

Generated on Sat Sep 9 23:30:31 2006 for MySQL 5.1 by

1.4.7

sp_instr_hreturn Class Reference

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation