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* src/scan-gram.l: Be robust to BRACED_CODE appearing before any

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rule.
Reported by Mickael Labau.
* tests/input.at (Torturing the Scanner): Test it.
This commit is contained in:
Akim Demaille
2006-04-03 13:50:10 +00:00
parent 91e3ac9ab0
commit b2ddc3f337
4 changed files with 17 additions and 1 deletions
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7
ChangeLog
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@@ -1,3 +1,10 @@
2006-04-03 Akim Demaille <akim@lrde.epita.fr>
* src/scan-gram.l: Be robust to BRACED_CODE appearing before any
rule.
Reported by Mickael Labau.
* tests/input.at (Torturing the Scanner): Test it.
2006-03-16 Paul Eggert <eggert@cs.ucla.edu> 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
* doc/bison.texinfo (Decl Summary): Don't mention yylloc twice. * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.

1
THANKS
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@@ -45,6 +45,7 @@ Martin Mokrejs mmokrejs@natur.cuni.cz
Matt Kraai kraai@alumni.cmu.edu Matt Kraai kraai@alumni.cmu.edu
Matt Rosing rosing@peakfive.com Matt Rosing rosing@peakfive.com
Michael Hayes m.hayes@elec.canterbury.ac.nz Michael Hayes m.hayes@elec.canterbury.ac.nz
Mickael Labau labau_m@epita.fr
Mike Castle dalgoda@ix.netcom.com Mike Castle dalgoda@ix.netcom.com
Neil Booth NeilB@earthling.net Neil Booth NeilB@earthling.net
Nelson H. F. Beebe beebe@math.utah.edu Nelson H. F. Beebe beebe@math.utah.edu

2
src/scan-gram.l
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@@ -292,7 +292,7 @@ splice (\\[ \f\t\v]*\n)*
/* Code in between braces. */ /* Code in between braces. */
"{" { "{" {
if (current_rule->action) if (current_rule && current_rule->action)
grammar_midrule_action (); grammar_midrule_action ();
STRING_GROW; STRING_GROW;
token_type = BRACED_CODE; token_type = BRACED_CODE;

8
tests/input.at
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@@ -204,6 +204,14 @@ AT_CHECK([bison input.y], [1], [],
]]) ]])
AT_DATA([input.y],
[{}
])
AT_CHECK([bison input.y], [1], [],
[[input.y:1.1-2: syntax error, unexpected {...}
]])
AT_DATA_GRAMMAR([input.y], AT_DATA_GRAMMAR([input.y],
[[%{ [[%{
/* This is seen in GCC: a %{ and %} in middle of a comment. */ /* This is seen in GCC: a %{ and %} in middle of a comment. */