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Posted to commits@groovy.apache.org by su...@apache.org on 2017/06/24 08:27:36 UTC
groovy git commit: Make EmptyStatement.INSTANCE immutable
Repository: groovy
Updated Branches:
refs/heads/master 9e15bedcd -> 014273f2f
Make EmptyStatement.INSTANCE immutable
Project: http://git-wip-us.apache.org/repos/asf/groovy/repo
Commit: http://git-wip-us.apache.org/repos/asf/groovy/commit/014273f2
Tree: http://git-wip-us.apache.org/repos/asf/groovy/tree/014273f2
Diff: http://git-wip-us.apache.org/repos/asf/groovy/diff/014273f2
Branch: refs/heads/master
Commit: 014273f2f5a3a703715e247496f6a87b185e44fb
Parents: 9e15bed
Author: sunlan <su...@apache.org>
Authored: Sat Jun 24 16:27:27 2017 +0800
Committer: sunlan <su...@apache.org>
Committed: Sat Jun 24 16:27:27 2017 +0800
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.../groovy/ast/stmt/EmptyStatement.java | 70 +++++++++++++++++++-
1 file changed, 69 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/groovy/blob/014273f2/src/main/org/codehaus/groovy/ast/stmt/EmptyStatement.java
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diff --git a/src/main/org/codehaus/groovy/ast/stmt/EmptyStatement.java b/src/main/org/codehaus/groovy/ast/stmt/EmptyStatement.java
index 3b9800d..740cb55 100644
--- a/src/main/org/codehaus/groovy/ast/stmt/EmptyStatement.java
+++ b/src/main/org/codehaus/groovy/ast/stmt/EmptyStatement.java
@@ -18,7 +18,11 @@
*/
package org.codehaus.groovy.ast.stmt;
+import org.codehaus.groovy.ast.ASTNode;
import org.codehaus.groovy.ast.GroovyCodeVisitor;
+import org.codehaus.groovy.ast.NodeMetaDataHandler;
+
+import java.util.Map;
/**
* Represents an empty statement
@@ -27,7 +31,71 @@ import org.codehaus.groovy.ast.GroovyCodeVisitor;
*/
public class EmptyStatement extends Statement {
- public static final EmptyStatement INSTANCE = new EmptyStatement();
+ public static final EmptyStatement INSTANCE = new EmptyStatement() {
+ @Override
+ public void setStatementLabel(String label) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void addStatementLabel(String label) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setLineNumber(int lineNumber) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setColumnNumber(int columnNumber) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setLastLineNumber(int lastLineNumber) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setLastColumnNumber(int lastColumnNumber) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setSourcePosition(ASTNode node) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void copyNodeMetaData(NodeMetaDataHandler other) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setNodeMetaData(Object key, Object value) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public Object putNodeMetaData(Object key, Object value) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void removeNodeMetaData(Object key) {
+ throw createUnsupportedOperationException();
+ }
+
+ @Override
+ public void setMetaDataMap(Map<?, ?> metaDataMap) {
+ throw createUnsupportedOperationException();
+ }
+
+ private UnsupportedOperationException createUnsupportedOperationException() {
+ return new UnsupportedOperationException("EmptyStatement.INSTANCE is immutable");
+ }
+ };
public void visit(GroovyCodeVisitor visitor) {
}