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🐛 improve accuracy of MethodReference matches #97

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Jul 3, 2024
Merged

🐛 improve accuracy of MethodReference matches #97

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25dce3b
:bug: improve accuracy of MethodReference matches
pranavgaikwad Jun 25, 2024
63380d9
improve accuracy of constructor call
pranavgaikwad Jun 26, 2024
87175e6
:ghost: improve logic / structure a bit
pranavgaikwad Jun 26, 2024
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58 changes: 52 additions & 6 deletions ....core/src/main/java/io/konveyor/tackle/core/internal/symbol/MethodCallSymbolProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,18 @@
import java.util.ArrayList;
import java.util.List;

import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.ITypeRoot;
import org.eclipse.jdt.core.dom.AST;
import org.eclipse.jdt.core.dom.ASTParser;
import org.eclipse.jdt.core.dom.ASTVisitor;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jdt.core.dom.IMethodBinding;
import org.eclipse.jdt.core.dom.ITypeBinding;
import org.eclipse.jdt.core.dom.MethodInvocation;
import org.eclipse.jdt.core.search.MethodReferenceMatch;
import org.eclipse.jdt.core.search.SearchMatch;
import org.eclipse.lsp4j.SymbolInformation;
Expand All @@ -25,12 +33,50 @@ public List<SymbolInformation> get(SearchMatch match) {
try {
MethodReferenceMatch m = (MethodReferenceMatch) match;
IMethod e = (IMethod) m.getElement();
SymbolInformation symbol = new SymbolInformation();
symbol.setName(e.getElementName());
symbol.setKind(convertSymbolKind(e));
symbol.setContainerName(e.getParent().getElementName());
symbol.setLocation(getLocation(e, match));
symbols.add(symbol);
if (this.query.contains(".")) {
ICompilationUnit unit = e.getCompilationUnit();
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ASTParser astParser = ASTParser.newParser(AST.getJLSLatest());
astParser.setSource(unit);
astParser.setResolveBindings(true);
CompilationUnit cu = (CompilationUnit) astParser.createAST(null);
cu.accept(new ASTVisitor() {
// we are only doing this for MethodInvocation right now
// look into MethodDeclaration if needed
public boolean visit(MethodInvocation node) {
try {
IMethodBinding binding = node.resolveMethodBinding();
if (binding != null) {
// get fqn of the method being called
ITypeBinding declaringClass = binding.getDeclaringClass();
if (declaringClass != null) {
String fullyQualifiedName = declaringClass.getQualifiedName() + "." + binding.getName();
// match fqn with query pattern
if (fullyQualifiedName.matches(getCleanedQuery(query))) {
SymbolInformation symbol = new SymbolInformation();
symbol.setName(e.getElementName());
symbol.setKind(convertSymbolKind(e));
symbol.setContainerName(e.getParent().getElementName());
symbol.setLocation(getLocation(e, match));
symbols.add(symbol);
} else {
logInfo("fqn " + fullyQualifiedName + " did not match with " + query);
}
}
}
} catch (Exception e) {
logInfo("error determining accuracy of match: " + e);
}
return true;
}
});
} else {
SymbolInformation symbol = new SymbolInformation();
symbol.setName(e.getElementName());
symbol.setKind(convertSymbolKind(e));
symbol.setContainerName(e.getParent().getElementName());
symbol.setLocation(getLocation(e, match));
symbols.add(symbol);
}
} catch (Exception e) {
logInfo("unable to convert for variable: " + e);
}
Expand Down
9 changes: 9 additions & 0 deletions ...zer-bundle.core/src/main/java/io/konveyor/tackle/core/internal/symbol/SymbolProvider.java
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Original file line number Diff line number Diff line change
Expand Up @@ -167,4 +167,13 @@ private static void setPosition(Position position, int[] coords) {
position.setLine(coords[0]);
position.setCharacter(coords[1]);
}

/*
* When comparing query pattern with an actual found java element's fqn
* we need to make sure that * that are not preceded with a . are replaced
* by .* so that java regex works as expected on them
*/
default String getCleanedQuery(String query) {
return query.replaceAll("(?<!\\.)\\*", ".*");
}
}
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