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| author | David Beazley <dave@dabeaz.com> | 2007-02-28 19:00:59 +0000 |
|---|---|---|
| committer | David Beazley <dave@dabeaz.com> | 2007-02-28 19:00:59 +0000 |
| commit | e4989423fb06998f9e5c0011332469320597ec64 (patch) | |
| tree | 87b66e72e637fc6ee18a67627be7a5ced36a1723 /doc | |
| parent | e012665bc2b9f1593145a043cfbe27ed6d618208 (diff) | |
| download | ply-e4989423fb06998f9e5c0011332469320597ec64.tar.gz | |
Fixed examples for EOF condition in p_error
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/ply.html | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/ply.html b/doc/ply.html index dba0c62..d5648fe 100644 --- a/doc/ply.html +++ b/doc/ply.html @@ -2273,7 +2273,9 @@ When a syntax error occurs, <tt>yacc.py</tt> performs the following steps: <ol> <li>On the first occurrence of an error, the user-defined <tt>p_error()</tt> function -is called with the offending token as an argument. Afterwards, the parser enters +is called with the offending token as an argument. However, if the syntax error is due to +reaching the end-of-file, <tt>p_error()</tt> is called with an argument of <tt>None</tt>. +Afterwards, the parser enters an "error-recovery" mode in which it will not make future calls to <tt>p_error()</tt> until it has successfully shifted at least 3 tokens onto the parsing stack. |