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Support Arrays and ignore if statements #56
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| /* | ||
| * Copyright 2023 the original author or authors. | ||
| * <p> | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * <p> | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package foo; | ||
|
|
||
| import com.google.errorprone.refaster.annotation.AfterTemplate; | ||
| import com.google.errorprone.refaster.annotation.BeforeTemplate; | ||
|
|
||
| public class Arrays { | ||
| @BeforeTemplate | ||
| String before(String[] strings) { | ||
| return String.join(", ", strings); | ||
| } | ||
|
|
||
| @AfterTemplate | ||
| String after(String[] strings) { | ||
| return String.join(":", strings); | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| /* | ||
| * Copyright 2023 the original author or authors. | ||
| * <p> | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * <p> | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package foo; | ||
|
|
||
| import org.openrewrite.ExecutionContext; | ||
| import org.openrewrite.Preconditions; | ||
| import org.openrewrite.Recipe; | ||
| import org.openrewrite.TreeVisitor; | ||
| import org.openrewrite.internal.lang.NonNullApi; | ||
| import org.openrewrite.java.JavaTemplate; | ||
| import org.openrewrite.java.JavaVisitor; | ||
| import org.openrewrite.java.search.*; | ||
| import org.openrewrite.java.template.Primitive; | ||
| import org.openrewrite.java.template.Semantics; | ||
| import org.openrewrite.java.template.function.*; | ||
| import org.openrewrite.java.template.internal.AbstractRefasterJavaVisitor; | ||
| import org.openrewrite.java.tree.*; | ||
|
|
||
| import java.util.*; | ||
|
|
||
| import static org.openrewrite.java.template.internal.AbstractRefasterJavaVisitor.EmbeddingOption.*; | ||
|
|
||
| @SuppressWarnings("all") | ||
| @NonNullApi | ||
| public class ArraysRecipe extends Recipe { | ||
|
|
||
| public ArraysRecipe() { | ||
| } | ||
|
|
||
| @Override | ||
| public String getDisplayName() { | ||
| return "Refaster template `Arrays`"; | ||
| } | ||
|
|
||
| @Override | ||
| public String getDescription() { | ||
| return "Recipe created for the following Refaster template:\n```java\npublic class Arrays {\n \n @BeforeTemplate()\n String before(String[] strings) {\n return String.join(\", \", strings);\n }\n \n @AfterTemplate()\n String after(String[] strings) {\n return String.join(\":\", strings);\n }\n}\n```\n."; | ||
| } | ||
|
|
||
| @Override | ||
| public TreeVisitor<?, ExecutionContext> getVisitor() { | ||
| JavaVisitor<ExecutionContext> javaVisitor = new AbstractRefasterJavaVisitor() { | ||
| final JavaTemplate before = Semantics.expression(this, "before", (String[] strings) -> String.join(", ", strings)).build(); | ||
| final JavaTemplate after = Semantics.expression(this, "after", (String[] strings) -> String.join(":", strings)).build(); | ||
|
|
||
| @Override | ||
| public J visitMethodInvocation(J.MethodInvocation elem, ExecutionContext ctx) { | ||
| JavaTemplate.Matcher matcher; | ||
| if ((matcher = before.matcher(getCursor())).find()) { | ||
| return embed( | ||
| after.apply(getCursor(), elem.getCoordinates().replace(), matcher.parameter(0)), | ||
| getCursor(), | ||
| ctx, | ||
| SHORTEN_NAMES | ||
| ); | ||
| } | ||
| return super.visitMethodInvocation(elem, ctx); | ||
| } | ||
|
|
||
| }; | ||
| return Preconditions.check( | ||
| new UsesMethod<>("java.lang.String join(..)"), | ||
| javaVisitor | ||
| ); | ||
| } | ||
| } |
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why this change? Is this somehow more performant?
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It's to allow one to inspect the number of times recipes are excluded, as used in this #47 (comment)
Didn't want to make that part of the standard output though; I think once and linked to the source is enough, as opposed to just a summary of how often there are exclusions not tied to a particular instance. Having this counter allows us to easily print it as a one off though.