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44 lines
905 B
Plaintext
44 lines
905 B
Plaintext
The [[ERL]] function returns the closest previous line number before the last error.
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{{PageSyntax}}
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: ''lastErrorLine&'' = [[ERL]]
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{{PageDescription}}
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* Used in an error handler to report the last line number used before the error.
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* If the program does not use line numbers, then ERL returns 0.
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* Use [[_ERRORLINE]] to return the actual code line position of an error in a QB64 program.
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{{PageExamples}}
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''Example:'' Using a fake error code to return the line number position in a program.
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{{CodeStart}}
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{{Cl|ON ERROR}} {{Cl|GOTO}} errorfix
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1
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{{Cl|ERROR}} 250
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{{Cl|ERROR}} 250
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5 {{Cl|ERROR}} 250
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{{Cl|END}}
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errorfix:
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{{Cl|PRINT}} {{Cl|ERL}}
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{{Cl|RESUME}} {{Cl|NEXT}} '' ''
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{{CodeEnd}}
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{{OutputStart}}1
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1
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5
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{{OutputEnd}}
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{{PageSeeAlso}}
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* [[ERR]]
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* [[ERROR]]
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* [[ON ERROR]]
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* [[_ERRORLINE]], [[_INCLERRORLINE]], [[_INCLERRORFILE$]], [[_ERRORMESSAGE$]]
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* [[ERROR Codes]]
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{{PageNavigation}}
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