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Code Issues Packages Projects Releases Wiki Activity

SSR: remove artificial expression replacement limitation (WI-35509)

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This commit is contained in:
Bas Leijdekkers
2018-03-20 16:18:57 +01:00
parent 0656f7b3e3
commit 042db05a60
1 changed files with 2 additions and 86 deletions
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platform/structuralsearch/source/com/intellij/structuralsearch/StructuralSearchProfileBase.java
+2 -86
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@@ -3,8 +3,6 @@ package com.intellij.structuralsearch;
import com.intellij.dupLocator.equivalence.EquivalenceDescriptor;
import com.intellij.dupLocator.equivalence.EquivalenceDescriptorProvider;
import com.intellij.dupLocator.equivalence.MultiChildDescriptor;
import com.intellij.dupLocator.equivalence.SingleChildDescriptor;
import com.intellij.dupLocator.iterators.FilteringNodeIterator;
import com.intellij.dupLocator.iterators.NodeIterator;
import com.intellij.dupLocator.util.DuplocatorUtil;
@@ -26,7 +24,6 @@ import com.intellij.structuralsearch.impl.matcher.GlobalMatchingVisitor;
import com.intellij.structuralsearch.impl.matcher.MatchContext;
import com.intellij.structuralsearch.impl.matcher.PatternTreeContext;
import com.intellij.structuralsearch.impl.matcher.compiler.GlobalCompilingVisitor;
import com.intellij.structuralsearch.impl.matcher.compiler.PatternCompiler;
import com.intellij.structuralsearch.impl.matcher.handlers.*;
import com.intellij.structuralsearch.impl.matcher.iterators.SsrFilteringNodeIterator;
import com.intellij.structuralsearch.impl.matcher.strategies.MatchingStrategy;
@@ -34,14 +31,10 @@ import com.intellij.structuralsearch.plugin.replace.ReplaceOptions;
import com.intellij.structuralsearch.plugin.replace.impl.ReplacementContext;
import com.intellij.util.ArrayUtil;
import com.intellij.util.LocalTimeCounter;
import java.util.HashSet;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.*;
import java.util.regex.Pattern;
/**
@@ -209,84 +202,7 @@ public abstract class StructuralSearchProfileBase extends StructuralSearchProfil
}
@Override
public void checkReplacementPattern(Project project, ReplaceOptions options) {
final CompiledPattern compiledPattern = PatternCompiler.compilePattern(project, options.getMatchOptions());
if (compiledPattern == null) {
return;
}
final NodeIterator it = compiledPattern.getNodes();
if (!it.hasNext()) {
return;
}
final PsiElement root = it.current().getParent();
if (!checkOptionalChildren(root) ||
!checkErrorElements(root)) {
throw new UnsupportedPatternException(": Partial and expression patterns are not supported");
}
}
private static boolean checkErrorElements(PsiElement element) {
final boolean[] result = {true};
final int endOffset = element.getTextRange().getEndOffset();
element.accept(new PsiRecursiveElementWalkingVisitor() {
@Override
public void visitElement(PsiElement element) {
super.visitElement(element);
if (element instanceof PsiErrorElement && element.getTextRange().getEndOffset() == endOffset) {
result[0] = false;
}
}
});
return result[0];
}
private static boolean checkOptionalChildren(PsiElement root) {
final boolean[] result = {true};
root.accept(new PsiRecursiveElementWalkingVisitor() {
@Override
public void visitElement(PsiElement element) {
super.visitElement(element);
if (element instanceof LeafElement) {
return;
}
final EquivalenceDescriptorProvider provider = EquivalenceDescriptorProvider.getInstance(element);
if (provider == null) {
return;
}
final EquivalenceDescriptor descriptor = provider.buildDescriptor(element);
if (descriptor == null) {
return;
}
for (SingleChildDescriptor childDescriptor : descriptor.getSingleChildDescriptors()) {
if (childDescriptor.getType() == SingleChildDescriptor.MyType.OPTIONALLY_IN_PATTERN &&
childDescriptor.getElement() == null) {
result[0] = false;
}
}
for (MultiChildDescriptor childDescriptor : descriptor.getMultiChildDescriptors()) {
if (childDescriptor.getType() == MultiChildDescriptor.MyType.OPTIONALLY_IN_PATTERN) {
PsiElement[] elements = childDescriptor.getElements();
if (elements == null || elements.length == 0) {
result[0] = false;
}
}
}
}
});
return result[0];
}
public void checkReplacementPattern(Project project, ReplaceOptions options) {}
@Override
public StructuralReplaceHandler getReplaceHandler(@NotNull ReplacementContext context) {