editor: fix "redundant character escape" warning #243

JetBrains · Nov 11, 2020 · c2e51eb · c2e51eb
1 parent dac35a9
commit c2e51eb
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 1 deletion.
diff --git a/resources/META-INF/plugin-java.xml b/resources/META-INF/plugin-java.xml
@@ -3,7 +3,7 @@
   <extensions defaultExtensionNs="com.intellij">
     <projectService serviceInterface="org.intellij.grammar.java.JavaHelper" serviceImplementation="org.intellij.grammar.java.JavaHelper$PsiHelper"/>
     <referencesSearch implementation="org.intellij.jflex.psi.impl.JFlexStateUsageSearcher"/>
-    <regExpLanguageHost forClass="org.intellij.grammar.psi.impl.BnfStringImpl" implementationClass="com.intellij.psi.impl.JavaRegExpHost"/>
+    <regExpLanguageHost forClass="org.intellij.grammar.psi.impl.BnfStringImpl" implementationClass="org.intellij.grammar.psi.impl.BnfStringRegexHost"/>
   </extensions>
   <actions>
     <action id="grammar.Generate.ParserUtil" class="org.intellij.grammar.actions.BnfGenerateParserUtilAction" text="Generate Parser Util">

diff --git a/src/org/intellij/grammar/psi/impl/BnfStringRegexHost.java b/src/org/intellij/grammar/psi/impl/BnfStringRegexHost.java
@@ -0,0 +1,17 @@
+/*
+ * Copyright 2011-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+ */
+
+package org.intellij.grammar.psi.impl;
+
+import com.intellij.psi.impl.JavaRegExpHost;
+
+/**
+ * @author gregsh
+ */
+public class BnfStringRegexHost extends JavaRegExpHost {
+  @Override
+  public boolean characterNeedsEscaping(char c) {
+    return c == '\"' || super.characterNeedsEscaping(c);
+  }
+}