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Code Issues Packages Projects Releases Wiki Activity

IDEA-87794 no quickfix for condtional inspection fixed

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This commit is contained in:
Danila Ponomarenko
2012-06-25 20:23:39 +04:00
parent b83dfbf637
commit c49ffe29a3
3 changed files with 56 additions and 17 deletions
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java/java-impl/src/com/intellij/codeInspection/dataFlow/DataFlowInspection.java
+42 -2
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@@ -34,6 +34,7 @@ import com.intellij.codeInspection.*;
import com.intellij.codeInspection.dataFlow.instructions.*;
import com.intellij.codeInspection.ex.BaseLocalInspectionTool;
import com.intellij.ide.DataManager;
import com.intellij.lang.ASTFactory;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.project.Project;
@@ -41,6 +42,8 @@ import com.intellij.openapi.project.ProjectManager;
import com.intellij.openapi.util.Pair;
import com.intellij.pom.java.LanguageLevel;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.codeStyle.CodeFormatterFacade;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.util.PsiUtil;
import com.intellij.util.ArrayUtil;
import com.intellij.util.IncorrectOperationException;
@@ -230,8 +233,11 @@ public class DataFlowInspection extends BaseLocalInspectionTool {
else if (psiAnchor != null && !reportedAnchors.contains(psiAnchor) && !isCompileConstantInIfCondition(psiAnchor)) {
boolean evaluatesToTrue = trueSet.contains(instruction);
if (onTheLeftSideOfConditionalAssignemnt(psiAnchor)) {
holder.registerProblem(psiAnchor, InspectionsBundle.message("dataflow.message.pointless.assignment.expression",
Boolean.toString(evaluatesToTrue)));
holder.registerProblem(
psiAnchor,
InspectionsBundle.message("dataflow.message.pointless.assignment.expression", Boolean.toString(evaluatesToTrue)),
createSimplifyToAssignmentFix()
);
}
else {
boolean report = !(psiAnchor.getParent() instanceof PsiAssertStatement) || !DONT_REPORT_TRUE_ASSERT_STATEMENTS || !evaluatesToTrue;
@@ -370,6 +376,40 @@ public class DataFlowInspection extends BaseLocalInspectionTool {
};
}
@NotNull
private static LocalQuickFix createSimplifyToAssignmentFix() {
return new LocalQuickFix() {
@NotNull
@Override
public String getName() {
return InspectionsBundle.message("inspection.data.flow.simplify.to.assignment.quickfix.name");
}
@NotNull
@Override
public String getFamilyName() {
return InspectionsBundle.message("inspection.data.flow.simplify.boolean.expression.quickfix");
}
@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
final PsiElement psiElement = descriptor.getPsiElement();
if (psiElement == null) return;
final PsiAssignmentExpression assignmentExpression = PsiTreeUtil.getParentOfType(psiElement, PsiAssignmentExpression.class);
if (assignmentExpression == null) {
return;
}
final PsiElementFactory factory = JavaPsiFacade.getElementFactory(project);
final String lExpressionText = assignmentExpression.getLExpression().getText();
final PsiExpression rExpression = assignmentExpression.getRExpression();
final String rExpressionText = rExpression != null ? rExpression.getText() : "";
assignmentExpression.replace(factory.createExpressionFromText(lExpressionText + " = " + rExpressionText, psiElement));
}
};
}
private static SimplifyBooleanExpressionFix createIntention(PsiElement element, boolean value) {
if (!(element instanceof PsiExpression)) return null;
final PsiExpression expression = (PsiExpression)element;