Re: Error recovery

Gord Cormack <>
22 Mar 1997 23:32:52 -0500

          From comp.compilers

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From: Gord Cormack <>
Newsgroups: comp.compilers
Date: 22 Mar 1997 23:32:52 -0500
Organization: University of Waterloo
References: 97-03-127
Keywords: errors

Cayot Robert-Olivier wrote:

> Does anybody know if there exists a newers or more efficients automatic
> error recovery methods than the one described in S. L. Graham and
> S. P. Rhodes communication "pratictal syntactic error recovery".

Graham & Rhodes is a very old paper, but has some interesting ideas
(e.g. 'right condensation') that haven't been followed up much in the LR/LL
context. There have been a number of recovery methods published, including
a method I presented at SIGPLAN 89 that uses a suffix parser:

I should note that suffix parsers have been the subject of two recent
papers (Bates & Lavie, TOPLAS 1994 and Nederhof, JACM 1996).

There is a book by Grune on parsing (1990) that's now out of print that
mentions several error recovery methods.

    author = "D. Grune and C. J. H. Jacobs",
    title = "Parsing techniques a practical guide",
    publisher = "Ellis Horwood Limited",
    address = "Chichester, England",
    year = "1990",

There is an on-line bibliography you can search at

I looked for "error recovery" in title and got pages of references.
Gordon V. Cormack CS Dept, University of Waterloo, Canada N2L 3G1

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