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package org.jetbrains.java.debugger;
import com.intellij.debugger.engine.evaluation.CodeFragmentFactory;
import com.intellij.debugger.engine.evaluation.CodeFragmentFactoryContextWrapper;
import com.intellij.debugger.engine.evaluation.TextWithImports;
import com.intellij.debugger.engine.evaluation.TextWithImportsImpl;
import com.intellij.debugger.impl.DebuggerUtilsEx;
import com.intellij.debugger.ui.DebuggerEditorImpl;
import com.intellij.ide.highlighter.JavaFileType;
import com.intellij.lang.Language;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.fileTypes.FileType;
import com.intellij.openapi.project.Project;
import com.intellij.psi.*;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.xdebugger.XExpression;
import com.intellij.xdebugger.XSourcePosition;
import com.intellij.xdebugger.evaluation.EvaluationMode;
import com.intellij.xdebugger.evaluation.XDebuggerEditorsProviderBase;
import com.intellij.xdebugger.impl.breakpoints.XExpressionImpl;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
public class JavaDebuggerEditorsProvider extends XDebuggerEditorsProviderBase {
@NotNull
@Override
public FileType getFileType() {
return JavaFileType.INSTANCE;
}
@Override
protected PsiFile createExpressionCodeFragment(@NotNull Project project,
@NotNull String text,
@Nullable PsiElement context,
boolean isPhysical) {
return JavaCodeFragmentFactory.getInstance(project).createExpressionCodeFragment(text, context, null, isPhysical);
}
@NotNull
@Override
public Collection<Language> getSupportedLanguages(@NotNull Project project, @Nullable XSourcePosition sourcePosition) {
if (sourcePosition != null) {
PsiElement context = getContextElement(sourcePosition.getFile(), sourcePosition.getOffset(), project);
Collection<Language> res = new ArrayList<Language>();
for (CodeFragmentFactory factory : DebuggerUtilsEx.getCodeFragmentFactories(context)) {
res.add(factory.getFileType().getLanguage());
}
return res;
}
return Collections.emptyList();
}
@NotNull
@Override
public XExpression createExpression(@NotNull Project project, @NotNull Document document, @Nullable Language language, @NotNull EvaluationMode mode) {
PsiDocumentManager.getInstance(project).commitDocument(document);
PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(document);
if (psiFile != null) {
return new XExpressionImpl(psiFile.getText(), language, ((JavaCodeFragment)psiFile).importsToString(), mode);
}
return super.createExpression(project, document, language, mode);
}
@Override
protected PsiFile createExpressionCodeFragment(@NotNull Project project,
@NotNull XExpression expression,
@Nullable PsiElement context,
boolean isPhysical) {
TextWithImports text = TextWithImportsImpl.fromXExpression(expression);
if (text != null && context != null) {
CodeFragmentFactory factory = new CodeFragmentFactoryContextWrapper(DebuggerEditorImpl.findAppropriateFactory(text, context));
JavaCodeFragment codeFragment = factory.createPresentationCodeFragment(text, context, project);
codeFragment.forceResolveScope(GlobalSearchScope.allScope(project));
if (context != null) {
final PsiClass contextClass = PsiTreeUtil.getNonStrictParentOfType(context, PsiClass.class);
if (contextClass != null) {
final PsiClassType contextType =
JavaPsiFacade.getInstance(codeFragment.getProject()).getElementFactory().createType(contextClass);
codeFragment.setThisType(contextType);
}
}
return codeFragment;
}
else {
return super.createExpressionCodeFragment(project, expression, context, isPhysical);
}
}
}
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