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jlahoda pushed a commit to branch release90
in repository https://gitbox.apache.org/repos/asf/incubator-netbeans.git
The following commit(s) were added to refs/heads/release90 by this push:
new 113ab91 [NETBEANS-764] JDK10-LVTI: Skip ConvertToVar hint for
compound variable declaration
113ab91 is described below
commit 113ab918075814801fa91b4cf676f3c3f4c66e5a
Author: Jan Lahoda <[email protected]>
AuthorDate: Thu May 31 20:57:03 2018 +0200
[NETBEANS-764] JDK10-LVTI: Skip ConvertToVar hint for compound variable
declaration
---
.../modules/java/hints/jdk/ConvertToVarHint.java | 4 ++
.../java/hints/jdk/ConvertToVarHintTest.java | 33 ++++++++++++++++
java.source.base/apichanges.xml | 12 ++++++
java.source.base/nbproject/project.properties | 2 +-
.../netbeans/api/java/source/TreeUtilities.java | 44 ++++++++++++++++++++++
.../api/java/source/TreeUtilitiesTest.java | 17 +++++++++
6 files changed, 111 insertions(+), 1 deletion(-)
diff --git
a/java.hints/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHint.java
b/java.hints/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHint.java
index 8245d9e..c001f7d 100644
--- a/java.hints/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHint.java
+++ b/java.hints/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHint.java
@@ -157,6 +157,10 @@ public class ConvertToVarHint {
return false;
}
+ // hint is not applicable for compound variable declaration.
+ if
(info.getTreeUtilities().isPartOfCompoundVariableDeclaration(treePath.getLeaf()))
+ return false;
+
// hint is not applicable for variable declaration where type is
already 'var'
return !info.getTreeUtilities().isVarType(treePath);
}
diff --git
a/java.hints/test/unit/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHintTest.java
b/java.hints/test/unit/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHintTest.java
index af3a659..ebf1991 100644
---
a/java.hints/test/unit/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHintTest.java
+++
b/java.hints/test/unit/src/org/netbeans/modules/java/hints/jdk/ConvertToVarHintTest.java
@@ -492,5 +492,38 @@ public class ConvertToVarHintTest {
+ " }\n"
+ "}");
}
+
+ @Test
+ public void testCompoundVariableDeclStatement() throws Exception {
+ HintTest.create()
+ .input("package test;\n"
+ + "import java.util.List;\n"
+ + "public class Test {\n"
+ + " void m() {\n"
+ + " int i =10,j=20;\n"
+ + " }\n"
+ + "}")
+ .sourceLevel("1.10")
+ .run(ConvertToVarHint.class)
+ .assertNotContainsWarnings(VAR_CONV_DESC);
+
+ }
+
+ @Test
+ public void testCompoundVariableDeclStatement2() throws Exception {
+ HintTest.create()
+ .input("package test;\n"
+ + "import java.util.List;\n"
+ + "public class Test {\n"
+ + " void m() {\n"
+ + " final int /*comment*/l
=10/*comment*/,i=20/*comment*/,j=5/*comment*/;\n"
+ + " }\n"
+ + "}")
+ .sourceLevel("1.10")
+ .run(ConvertToVarHint.class)
+ .assertNotContainsWarnings(VAR_CONV_DESC);
+
+ }
+
}
diff --git a/java.source.base/apichanges.xml b/java.source.base/apichanges.xml
index ae8601b..84c22cb 100644
--- a/java.source.base/apichanges.xml
+++ b/java.source.base/apichanges.xml
@@ -62,6 +62,18 @@
</description>
<class name="TreeUtilities" package="org.netbeans.api.java.source"/>
</change>
+ <change id="TreeUtilities.isPartOfCompoundVariableDeclaration">
+ <api name="javasource_base"/>
+ <summary>Check the tree is the end of compound declaration.</summary>
+ <version major="1" minor="2.34"/>
+ <date day="14" month="5" year="2018"/>
+ <author login="arusinha"/>
+ <compatibility addition="yes" binary="compatible" source="compatible"/>
+ <description>
+ Check whether tree is part of compound declaration.
+ </description>
+ <class name="TreeUtilities" package="org.netbeans.api.java.source"/>
+ </change>
<change id="ElementHandle.createModuleElementHandle">
<api name="javasource_base"/>
<summary>Added a method to create an <code>ElementHandle</code> for
module</summary>
diff --git a/java.source.base/nbproject/project.properties
b/java.source.base/nbproject/project.properties
index 8e4b7dd..c5cf521 100644
--- a/java.source.base/nbproject/project.properties
+++ b/java.source.base/nbproject/project.properties
@@ -23,7 +23,7 @@ javadoc.name=Java Source Base
javadoc.title=Java Source Base
javadoc.arch=${basedir}/arch.xml
javadoc.apichanges=${basedir}/apichanges.xml
-spec.version.base=2.33.0
+spec.version.base=2.34.0
test.qa-functional.cp.extra=${refactoring.java.dir}/modules/ext/nb-javac-api.jar
test.unit.run.cp.extra=${o.n.core.dir}/core/core.jar:\
${o.n.core.dir}/lib/boot.jar:\
diff --git
a/java.source.base/src/org/netbeans/api/java/source/TreeUtilities.java
b/java.source.base/src/org/netbeans/api/java/source/TreeUtilities.java
index b429dda..b6b8d51 100644
--- a/java.source.base/src/org/netbeans/api/java/source/TreeUtilities.java
+++ b/java.source.base/src/org/netbeans/api/java/source/TreeUtilities.java
@@ -1883,6 +1883,50 @@ public final class TreeUtilities {
return false;
}
+ /**
+ * Checks whether tree is part of compound variable declaration.
+ *
+ * @param tree tree to examine.
+ * @return true if {@code tree} is part of compound var declaration.
+ * @since 2.34.0
+ */
+ public boolean isPartOfCompoundVariableDeclaration(@NonNull Tree tree) {
+ TokenSequence<JavaTokenId> tokenSequence = tokensFor(tree);
+
+ if (tree.getKind() != Tree.Kind.VARIABLE) {
+ return false;
+ }
+
+ // If tree ends with comma then tree is part of compound variable
declaration.
+ tokenSequence.moveEnd();
+ if (tokenSequence.movePrevious() && tokenSequence.token().id() ==
JavaTokenId.COMMA) {
+ return true;
+ }
+
+ int startPos = (int)
info.getTrees().getSourcePositions().getStartPosition(info.getCompilationUnit(),
tree);
+ tokenSequence.moveStart();
+
+ int tokensLength = 0;
+
+ // To find out the first subtree from compound varaible declaration
statement(if any).
+ while (tokenSequence.moveNext()) {
+ tokensLength += tokenSequence.token().length();
+ if (tokenSequence.token().id() == JavaTokenId.IDENTIFIER) {
+
+ Tree path = pathFor(startPos + tokensLength).getLeaf();
+ TokenSequence<JavaTokenId> TokenSeq = tokensFor(path);
+ TokenSeq.moveEnd();
+
+ if (TokenSeq.movePrevious() && TokenSeq.token().id() ==
JavaTokenId.COMMA) {
+ return true;
+ }
+ break;
+ }
+ }
+
+ return false;
+ }
+
private static final class NBScope implements Scope {
private final JavacScope delegate;
diff --git
a/java.source.base/test/unit/src/org/netbeans/api/java/source/TreeUtilitiesTest.java
b/java.source.base/test/unit/src/org/netbeans/api/java/source/TreeUtilitiesTest.java
index dc882e9..7bbbf5e 100644
---
a/java.source.base/test/unit/src/org/netbeans/api/java/source/TreeUtilitiesTest.java
+++
b/java.source.base/test/unit/src/org/netbeans/api/java/source/TreeUtilitiesTest.java
@@ -592,4 +592,21 @@ public class TreeUtilitiesTest extends NbTestCase {
assertFalse(info.getTreeUtilities().isEndOfCompoundVariableDeclaration(bt.getStatements().get(1)));
assertTrue(info.getTreeUtilities().isEndOfCompoundVariableDeclaration(bt.getStatements().get(2)));
}
+
+ public void testIsPartOfCompoundVariableDeclaration() throws Exception {
+ prepareTest("Test", "package test; public class Test {public
Test(){int i = 10, j = 11; int k = 1;}}");
+
+ //int i = 10
+ VariableTree var1 = (VariableTree)
info.getTreeUtilities().pathFor(55).getLeaf();
+
assertTrue(info.getTreeUtilities().isPartOfCompoundVariableDeclaration(var1));
+
+ //int j = 11
+ VariableTree var2 = (VariableTree)
info.getTreeUtilities().pathFor(60).getLeaf();
+
assertTrue(info.getTreeUtilities().isPartOfCompoundVariableDeclaration(var2));
+
+ //int k = 1
+ VariableTree var3 = (VariableTree)
info.getTreeUtilities().pathFor(71).getLeaf();
+
assertFalse(info.getTreeUtilities().isPartOfCompoundVariableDeclaration(var3));
+
+ }
}
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