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java: finish fixing parser stack popping bug.

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* NEWS (2.5): Document.
* data/lalr1.java (YYParser::YYStack::pop): Fix off-by-one error
in clearing the location stack.  Also fix pop function that
accepts no arguments.
(cherry picked from commit 4c2a6e42ba)

Conflicts:

	data/lalr1.java
This commit is contained in:
Joel E. Denny
2011-03-06 22:48:46 -05:00
parent 3f8ffd15ee
commit 1a33f4f608
3 changed files with 16 additions and 3 deletions
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4
data/lalr1.java
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@@ -297,14 +297,14 @@ b4_lexer_if([[
}
public final void pop () {
height--;
pop (1);
}
public final void pop (int num) {
// Avoid memory leaks... garbage collection is a white lie!
if (num > 0) {
java.util.Arrays.fill (valueStack, height - num + 1, height + 1, null);
]b4_locations_if([[java.util.Arrays.fill (locStack, height - num + 1, height, null);]])[
]b4_locations_if([[java.util.Arrays.fill (locStack, height - num + 1, height + 1, null);]])[
}
height -= num;
}