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Commit 9029afb7 authored by Johannes Mey's avatar Johannes Mey
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add usage provider

parent 5ae83b45
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package org.jastadd.tooling;
import com.intellij.lang.cacheBuilder.DefaultWordsScanner;
import com.intellij.lang.cacheBuilder.WordsScanner;
import com.intellij.lang.findUsages.FindUsagesProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.tree.TokenSet;
import org.jastadd.tooling.lexer.RelAstGrammarFlexAdapter;
import org.jastadd.tooling.parser.RelAstGrammarTypes;
import org.jastadd.tooling.psi.RelAstGrammarTypeDecl;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public class RelAstGrammarFindUsageProvider implements FindUsagesProvider {
@Nullable
@Override
public WordsScanner getWordsScanner() {
// TODO comments are not working
return new DefaultWordsScanner(new RelAstGrammarFlexAdapter(),
TokenSet.create(RelAstGrammarTypes.ID),
TokenSet.create(RelAstGrammarTypes.MULTILINECOMMENT, RelAstGrammarTypes.DOCCOMMENT, RelAstGrammarTypes.SINGLELINECOMMENT),
TokenSet.EMPTY);
}
@Override
public boolean canFindUsagesFor(@NotNull PsiElement psiElement) {
return psiElement instanceof RelAstGrammarTypeDecl; // was: PsiNamedElement
}
@Nullable
@Override
public String getHelpId(@NotNull PsiElement psiElement) {
return null;
}
@NotNull
@Override
public String getType(@NotNull PsiElement element) {
if (element instanceof RelAstGrammarTypeDecl) {
return "JastAdd Nonterminal Type";
} else {
return "";
}
}
@NotNull
@Override
public String getDescriptiveName(@NotNull PsiElement element) {
if (element instanceof RelAstGrammarTypeDecl && ((RelAstGrammarTypeDecl) element).getName() != null) {
return ((RelAstGrammarTypeDecl) element).getName();
} else {
return "";
}
}
@NotNull
@Override
public String getNodeText(@NotNull PsiElement element, boolean useFullName) {
if (element instanceof RelAstGrammarTypeDecl) {
return ((RelAstGrammarTypeDecl) element).getText();
} else {
return "";
}
}
}
......@@ -38,6 +38,10 @@
implementationClass="org.jastadd.tooling.RelAstGrammarRefactoringSupportProvider"/>
<lang.elementManipulator forClass="org.jastadd.tooling.psi.RelAstGrammarTypeReference" implementationClass="org.jastadd.tooling.psi.RelAstGrammarTypeReferenceManipulator"/>
<lang.findUsagesProvider language="JastAddGrammar"
implementationClass="org.jastadd.tooling.RelAstGrammarFindUsageProvider"/>
</extensions>
<actions>
......
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