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Code Issues Releases Wiki Activity

Fix mismatched parentheses causing exceptions.

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This commit is contained in:
Danila Fedorin 2017-08-05 15:59:49 -07:00
parent 55257f7274
commit 48e6e658d0
1 changed files with 1 additions and 0 deletions
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src/main/java/org/nwapw/abacus/parsing/ShuntingYardParser.java
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@ -162,6 +162,7 @@ public class ShuntingYardParser implements Parser<Match<TokenType>>, PluginListe
@Override @Override
public TreeNode constructTree(List<Match<TokenType>> tokens) { public TreeNode constructTree(List<Match<TokenType>> tokens) {
tokens = intoPostfix(new ArrayList<>(tokens)); tokens = intoPostfix(new ArrayList<>(tokens));
if(tokens == null) return null;
Collections.reverse(tokens); Collections.reverse(tokens);
return constructRecursive(tokens); return constructRecursive(tokens);
} }