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Use isEmpty() instead of size()==0, specify generic arguments

This commit is contained in:
Sam Harwell 2012-07-13 14:33:42 -05:00
parent 683b915507
commit 96654531b7
1 changed files with 2 additions and 2 deletions
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4
tool/src/org/antlr/v4/tool/Grammar.java
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@ -758,7 +758,7 @@ public class Grammar implements AttributeResolver {
Map<String,String> lexerRuleToStringLiteral = new HashMap<String,String>();
List<GrammarAST> ruleNodes = ast.getNodesWithType(ANTLRParser.RULE);
if ( ruleNodes==null || ruleNodes.size()==0 ) return null;
if ( ruleNodes==null || ruleNodes.isEmpty() ) return null;
for (GrammarAST r : ruleNodes) {
//tool.log("grammar", r.toStringTree());
@ -782,7 +782,7 @@ public class Grammar implements AttributeResolver {
TreeWizard wiz,
Map<String, String> lexerRuleToStringLiteral)
{
HashMap nodes = new HashMap();
HashMap<String, Object> nodes = new HashMap<String, Object>();
if ( wiz.parse(r, pattern, nodes) ) {
GrammarAST litNode = (GrammarAST)nodes.get("lit");
GrammarAST nameNode = (GrammarAST)nodes.get("name");