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127 lines
2.4 KiB
Plaintext
127 lines
2.4 KiB
Plaintext
// This files demonstrates the use of BEGIN/RECOVER/END SEQUENCE
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// and BREAK statement
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MEMVAR m_oMemvar
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MEMVAR m_cPrivate
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PROCEDURE Main()
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LOCAL oLocal
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PRIVATE m_cPrivate := "private value in MAIN"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 1"
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? " No break issued...."
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RECOVER
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? " Recovering in 1 ..."
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END SEQUENCE
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? "After SEQUENCE 1"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 2"
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Break( "VALUE 2" )
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RECOVER USING oLocal
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? " Recovering in 2 using....", oLocal
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END SEQUENCE
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? "After SEQUENCE 2"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 3"
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Break
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RECOVER USING oLocal
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? " Recovering in 3 using....", oLocal
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END SEQUENCE
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? "After SEQUENCE 3"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 4"
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Break
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? " Recovering in 4 using....", oLocal
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END SEQUENCE
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? "After SEQUENCE 4"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 5"
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Break1()
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? " Recovering in 5 using....", oLocal
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END SEQUENCE
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? "After SEQUENCE 5"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 6"
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Break1()
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RECOVER USING m_oMemvar
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? " Recovering in 6 using... ", m_oMemvar
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END SEQUENCE
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? "After SEQUENCE 6"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 7"
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Break2()
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RECOVER USING m_oMemvar
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? " Recovering in 7 using... ", m_oMemvar
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END SEQUENCE
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? "After SEQUENCE 7"
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? M->m_cPrivate
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Break( "exit from MAIN" )
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? "This text will be not printed"
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RETURN
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PROCEDURE Break1()
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PRIVATE m_cPrivate := "VALUE from Break1"
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BREAK M->m_cPrivate
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PROCEDURE Break2()
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BEGIN SEQUENCE
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? " Inside SEQUENCE 8"
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Break3()
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RECOVER USING m_oMemvar
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? " Recovering in 8 using...", Eval( m_oMemvar, " eval in 8" )
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Break( "BREAK from recovery code" )
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END SEQUENCE
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? "After SEQUENCE 8"
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RETURN
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PROCEDURE Break3()
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STATIC s_oStatic
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BEGIN SEQUENCE
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? " Inside SEQUENCE 9"
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BEGIN SEQUENCE
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? " Inside SEQUENCE 10"
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Break( "value from nested SEQUENCE 10" )
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RECOVER USING s_oStatic
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? " Recovering in 10 using...", s_oStatic
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END SEQUENCE
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? "After SEQUENCE 10"
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Break4( " and parameter" )
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RECOVER USING m_oMemvar
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? " Recovering in 9 using...", Eval( m_oMemvar, " eval in 9" )
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Break( m_oMemvar )
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END SEQUENCE
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? "After SEQUENCE 9"
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RETURN
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PROCEDURE Break4( cValue )
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LOCAL oLocal := " detached Break4 "
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Break( {| x | oLocal + x + cValue } )
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