From b21a59365261d248f36c77446ec2b011dffd9a52 Mon Sep 17 00:00:00 2001
From: Andy Clement <aclement@pivotal.io>
Date: Wed, 9 Jan 2019 13:23:02 -0800
Subject: [PATCH] better infrastructure for checking pointcuts terminate
 correctly - inactive right now

---
 .../weaver/patterns/BasicTokenSource.java        |  5 +++++
 .../aspectj/weaver/patterns/ITokenSource.java    |  1 +
 .../aspectj/weaver/patterns/PatternParser.java   | 16 +++++++++++++++-
 .../org/aspectj/weaver/tools/PointcutParser.java |  2 +-
 4 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/org.aspectj.matcher/src/org/aspectj/weaver/patterns/BasicTokenSource.java b/org.aspectj.matcher/src/org/aspectj/weaver/patterns/BasicTokenSource.java
index ccde927f4..0a099529b 100644
--- a/org.aspectj.matcher/src/org/aspectj/weaver/patterns/BasicTokenSource.java
+++ b/org.aspectj.matcher/src/org/aspectj/weaver/patterns/BasicTokenSource.java
@@ -180,4 +180,9 @@ public class BasicTokenSource implements ITokenSource {
 		this.sourceContext = context;
 	}
 
+	@Override
+	public boolean hasMoreTokens() {
+		return index < tokens.length;
+	}
+
 }
diff --git a/org.aspectj.matcher/src/org/aspectj/weaver/patterns/ITokenSource.java b/org.aspectj.matcher/src/org/aspectj/weaver/patterns/ITokenSource.java
index ea777a47f..4649b046f 100644
--- a/org.aspectj.matcher/src/org/aspectj/weaver/patterns/ITokenSource.java
+++ b/org.aspectj.matcher/src/org/aspectj/weaver/patterns/ITokenSource.java
@@ -23,4 +23,5 @@ public interface ITokenSource {
 	public int getIndex();
 	public void setIndex(int newIndex);
 	public ISourceContext getSourceContext();
+	public boolean hasMoreTokens();
 }
diff --git a/org.aspectj.matcher/src/org/aspectj/weaver/patterns/PatternParser.java b/org.aspectj.matcher/src/org/aspectj/weaver/patterns/PatternParser.java
index f3bf08833..effecfeaf 100644
--- a/org.aspectj.matcher/src/org/aspectj/weaver/patterns/PatternParser.java
+++ b/org.aspectj.matcher/src/org/aspectj/weaver/patterns/PatternParser.java
@@ -97,6 +97,10 @@ public class PatternParser {
 		eat(")");
 		return new PerCflow(entry, isBelow);
 	}
+	
+	public boolean moreToParse() {
+		return tokenSource.hasMoreTokens();
+	}
 
 	private PerClause parsePerObject(boolean isThis) {
 		parseIdentifier();
@@ -330,6 +334,16 @@ public class PatternParser {
 		String message = parsePossibleStringSequence(true);
 		return new DeclareErrorOrWarning(isError, pointcut, message);
 	}
+	
+	public Pointcut parsePointcut(boolean shouldConsumeAllInput) {
+		Pointcut p = parsePointcut();
+		if (shouldConsumeAllInput && tokenSource.hasMoreTokens()) {
+			throw new ParserException(
+					"Found unexpected data after parsing pointcut",
+					tokenSource.next());
+		}
+		return p;
+	}
 
 	public Pointcut parsePointcut() {
 		Pointcut p = parseAtomicPointcut();
@@ -343,7 +357,7 @@ public class PatternParser {
 
 		return p;
 	}
-
+	
 	private Pointcut parseNotOrPointcut() {
 		Pointcut p = parseAtomicPointcut();
 		if (maybeEat("&&")) {
diff --git a/org.aspectj.matcher/src/org/aspectj/weaver/tools/PointcutParser.java b/org.aspectj.matcher/src/org/aspectj/weaver/tools/PointcutParser.java
index 4e3b2bd59..ca0fa3aca 100644
--- a/org.aspectj.matcher/src/org/aspectj/weaver/tools/PointcutParser.java
+++ b/org.aspectj.matcher/src/org/aspectj/weaver/tools/PointcutParser.java
@@ -325,7 +325,7 @@ public class PointcutParser {
 		try {
 			PatternParser parser = new PatternParser(expression);
 			parser.setPointcutDesignatorHandlers(pointcutDesignators, world);
-			Pointcut pc = parser.parsePointcut();
+			Pointcut pc = parser.parsePointcut(); // more correctly: parsePointcut(true)
 			validateAgainstSupportedPrimitives(pc, expression);
 			IScope resolutionScope = buildResolutionScope((inScope == null ? Object.class : inScope), formalParameters);
 			pc = pc.resolve(resolutionScope);
-- 
2.39.5