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//////////////////////////////////////////////////////////////////////////
//
// pgScript - PostgreSQL Tools
//
// Copyright (C) 2002 - 2012, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
#include "pgAdmin3.h"
#include "pgscript/statements/pgsWhileStmt.h"
#include "pgscript/exceptions/pgsBreakException.h"
#include "pgscript/exceptions/pgsContinueException.h"
#include "pgscript/exceptions/pgsInterruptException.h"
#include "pgscript/utilities/pgsThread.h"
pgsWhileStmt::pgsWhileStmt(const pgsExpression *cond, const pgsStmt *stmt_list,
pgsThread *app) :
pgsStmt(app), m_cond(cond), m_stmt_list(stmt_list)
{
}
pgsWhileStmt::~pgsWhileStmt()
{
pdelete(m_cond);
pdelete(m_stmt_list);
}
void pgsWhileStmt::eval(pgsVarMap &vars) const
{
loop:
if (m_cond->eval(vars)->pgs_is_true())
{
try
{
m_stmt_list->eval(vars);
}
catch (const pgsBreakException &)
{
goto end;
}
catch (const pgsContinueException &)
{
}
if (m_app != 0 && m_app->TestDestroy())
throw pgsInterruptException();
goto loop;
}
end:
;
}
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