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Posted to commits@groovy.apache.org by su...@apache.org on 2017/06/24 08:01:20 UTC
groovy git commit: Make EmptyExpression.INSTANCE immutable
Repository: groovy
Updated Branches:
refs/heads/master f4d5970f5 -> 7e6ff2833
Make EmptyExpression.INSTANCE immutable
Project: http://git-wip-us.apache.org/repos/asf/groovy/repo
Commit: http://git-wip-us.apache.org/repos/asf/groovy/commit/7e6ff283
Tree: http://git-wip-us.apache.org/repos/asf/groovy/tree/7e6ff283
Diff: http://git-wip-us.apache.org/repos/asf/groovy/diff/7e6ff283
Branch: refs/heads/master
Commit: 7e6ff28337c2d30e6e5bdeec4460a8ccbdb52792
Parents: f4d5970
Author: sunlan <su...@apache.org>
Authored: Sat Jun 24 16:01:08 2017 +0800
Committer: sunlan <su...@apache.org>
Committed: Sat Jun 24 16:01:08 2017 +0800
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.../groovy/ast/expr/EmptyExpression.java | 40 +++++++++++++++++++-
1 file changed, 39 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/groovy/blob/7e6ff283/src/main/org/codehaus/groovy/ast/expr/EmptyExpression.java
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diff --git a/src/main/org/codehaus/groovy/ast/expr/EmptyExpression.java b/src/main/org/codehaus/groovy/ast/expr/EmptyExpression.java
index 4de4193..6c3daf1 100644
--- a/src/main/org/codehaus/groovy/ast/expr/EmptyExpression.java
+++ b/src/main/org/codehaus/groovy/ast/expr/EmptyExpression.java
@@ -18,8 +18,12 @@
*/
package org.codehaus.groovy.ast.expr;
+import org.codehaus.groovy.ast.AnnotationNode;
+import org.codehaus.groovy.ast.ClassNode;
import org.codehaus.groovy.ast.GroovyCodeVisitor;
+import java.util.List;
+
/**
* This class is a place holder for an empty expression.
* Empty expression are used in closures lists like (;). During
@@ -30,7 +34,41 @@ import org.codehaus.groovy.ast.GroovyCodeVisitor;
* @see org.codehaus.groovy.ast.stmt.EmptyStatement
*/
public class EmptyExpression extends Expression {
- public static final EmptyExpression INSTANCE = new EmptyExpression();
+ public static final EmptyExpression INSTANCE = new EmptyExpression() {
+ @Override
+ public void setType(ClassNode t) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void addAnnotation(AnnotationNode value) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void addAnnotations(List<AnnotationNode> annotations) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setSynthetic(boolean synthetic) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setDeclaringClass(ClassNode declaringClass) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setHasNoRealSourcePosition(boolean value) {
+ throw createUnsupportedOperationException();
+ }
+
+ private UnsupportedOperationException createUnsupportedOperationException() {
+ return new UnsupportedOperationException("EmptyExpression.INSTANCE is immutable");
+ }
+ };
public Expression transformExpression(ExpressionTransformer transformer) {
return this;