fix antlr#3868

ericvergnaud · Sep 7, 2022 · e1de8c7 · e1de8c7
1 parent 965cf47
commit e1de8c7
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diff --git a/tool/src/org/antlr/v4/codegen/CodeGenPipeline.java b/tool/src/org/antlr/v4/codegen/CodeGenPipeline.java
@@ -50,6 +50,8 @@ public void process() {
 				writeRecognizer(parser, gen, false);
 			}
 
+			g.removeParserHeader();
+
 			if ( g.tool.gen_listener ) {
 				if (gen.getTarget().needsHeader()) {
 					ST listener = gen.generateListener(true);

diff --git a/tool/src/org/antlr/v4/tool/Grammar.java b/tool/src/org/antlr/v4/tool/Grammar.java
@@ -430,6 +430,10 @@ public void defineAction(GrammarAST atAST) {
         }
     }
 
+	public void removeParserHeader() {
+		namedActions.remove("header");
+	}
+
 	/**
 	 * Define the specified rule in the grammar. This method assigns the rule's
 	 * {@link Rule#index} according to the {@link #ruleNumber} field, and adds
@@ -1364,4 +1368,5 @@ public ParserInterpreter createParserInterpreter(TokenStream tokenStream) {
 
 		return new ParserInterpreter(fileName, getVocabulary(), Arrays.asList(getRuleNames()), deserializedATN, tokenStream);
 	}
+
 }