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removed illegal use of double-star
[sbp.git]
/
src
/
edu
/
berkeley
/
sbp
/
tib
/
Tib.java
diff --git
a/src/edu/berkeley/sbp/tib/Tib.java
b/src/edu/berkeley/sbp/tib/Tib.java
index
200544a
..
9b4b974
100644
(file)
--- a/
src/edu/berkeley/sbp/tib/Tib.java
+++ b/
src/edu/berkeley/sbp/tib/Tib.java
@@
-289,21
+289,32
@@
public class Tib implements Token.Stream<CharToken> {
public static class Grammar extends MetaGrammar {
private int anon = 0;
public static class Grammar extends MetaGrammar {
private int anon = 0;
+ private final Element ws = Repeat.maximal(Repeat.many0(nonTerminal("w")));
+ public Grammar() {
+ dropAll.add(ws);
+ }
public Object walk(Tree<String> tree) {
String head = tree.head();
if (tree.numChildren()==0) return super.walk(tree);
public Object walk(Tree<String> tree) {
String head = tree.head();
if (tree.numChildren()==0) return super.walk(tree);
- if ("{".equals(head))
- return nonTerminal("braced"+(anon++),
+ if ("{".equals(head)) {
+ String s = "braced"+(anon++);
+ Union u = nonTerminal(s);
+ Union u2 = ((PreSequence)walk(tree, 0)).sparse(ws).buildUnion();
+ u2.add(Sequence.singleton(new Element[] { u }, 0, null, null));
+ return nonTerminal(s,
new PreSequence[][] {
new PreSequence[] {
new PreSequence(new Element[] { CharToken.leftBrace,
new PreSequence[][] {
new PreSequence[] {
new PreSequence(new Element[] { CharToken.leftBrace,
- ((PreSequence)walk(tree, 0)).buildUnion(),
+ ws,
+ u2,
+ ws,
CharToken.rightBrace
})
}
},
false,
false);
CharToken.rightBrace
})
}
},
false,
false);
+ }
return super.walk(tree);
}
}
return super.walk(tree);
}
}