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only gen "set stop token" if finally/after actions exist.

This commit is contained in:
parrt 2016-03-30 09:48:33 -07:00
parent b05d86c150
commit 7d16438a19
1 changed files with 12 additions and 9 deletions
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21
tool/src/org/antlr/v4/codegen/DefaultOutputModelFactory.java
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@ -79,15 +79,18 @@ public abstract class DefaultOutputModelFactory extends BlankOutputModelFactory
@Override
public List<SrcOp> rulePostamble(RuleFunction function, Rule r) {
// See OutputModelController.buildLeftRecursiveRuleFunction
// and Parser.exitRule for other places which set stop.
CodeGenerator gen = getGenerator();
STGroup codegenTemplates = gen.getTemplates();
ST setStopTokenAST = codegenTemplates.getInstanceOf("recRuleSetStopToken");
Action setStopTokenAction = new Action(this, function.ruleCtx, setStopTokenAST);
List<SrcOp> ops = new ArrayList<SrcOp>(1);
ops.add(setStopTokenAction);
return ops;
if ( r.namedActions.containsKey("after") || r.namedActions.containsKey("finally") ) {
// See OutputModelController.buildLeftRecursiveRuleFunction
// and Parser.exitRule for other places which set stop.
CodeGenerator gen = getGenerator();
STGroup codegenTemplates = gen.getTemplates();
ST setStopTokenAST = codegenTemplates.getInstanceOf("recRuleSetStopToken");
Action setStopTokenAction = new Action(this, function.ruleCtx, setStopTokenAST);
List<SrcOp> ops = new ArrayList<SrcOp>(1);
ops.add(setStopTokenAction);
return ops;
}
return super.rulePostamble(function, r);
}
// Convenience methods