src: moved Java indexer from JavaSymbolSolver to Eclipse JDT
* added some more tests * changed 3rd party licenses respectively fortune cookie message = Your present plans are going to succeed.
This commit is contained in:
mlangkabel
@@ -0,0 +1,387 @@
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package com.sourcetrail;
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import java.io.File;
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import java.util.List;
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import java.util.Stack;
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import org.eclipse.jdt.core.dom.ASTNode;
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import org.eclipse.jdt.core.dom.ClassInstanceCreation;
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import org.eclipse.jdt.core.dom.CompilationUnit;
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import org.eclipse.jdt.core.dom.ConstructorInvocation;
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import org.eclipse.jdt.core.dom.CreationReference;
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import org.eclipse.jdt.core.dom.EnumConstantDeclaration;
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import org.eclipse.jdt.core.dom.EnumDeclaration;
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import org.eclipse.jdt.core.dom.FieldDeclaration;
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import org.eclipse.jdt.core.dom.ImportDeclaration;
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import org.eclipse.jdt.core.dom.Javadoc;
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import org.eclipse.jdt.core.dom.MethodInvocation;
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import org.eclipse.jdt.core.dom.NameQualifiedType;
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import org.eclipse.jdt.core.dom.ParameterizedType;
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import org.eclipse.jdt.core.dom.QualifiedType;
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import org.eclipse.jdt.core.dom.SuperConstructorInvocation;
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import org.eclipse.jdt.core.dom.SuperMethodInvocation;
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import org.eclipse.jdt.core.dom.SuperMethodReference;
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import org.eclipse.jdt.core.dom.TypeDeclaration;
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import org.eclipse.jdt.core.dom.TypeMethodReference;
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import org.eclipse.jdt.core.dom.VariableDeclarationFragment;
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public class ContextAwareAstVisitor extends AstVisitor
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{
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private Stack<ReferenceKind> m_typeRefKind = new Stack<>();
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public ContextAwareAstVisitor(AstVisitorClient client, File filePath, String fileContent, CompilationUnit compilationUnit)
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{
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super(client, filePath, fileContent, compilationUnit);
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}
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@Override
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public boolean visit(TypeDeclaration node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChild(node.getJavadoc());
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acceptChildren(node.modifiers());
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acceptChild(node.getName());
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acceptChildren(node.typeParameters());
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{
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m_typeRefKind.push(ReferenceKind.INHERITANCE);
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acceptChild(node.getSuperclassType());
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acceptChildren(node.superInterfaceTypes());
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m_typeRefKind.pop();
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}
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acceptChildren(node.bodyDeclarations());
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}
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return false;
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}
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@Override
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public boolean visit(EnumDeclaration node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChild(node.getJavadoc());
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acceptChildren(node.modifiers());
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acceptChild(node.getName());
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{
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m_typeRefKind.push(ReferenceKind.INHERITANCE);
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acceptChildren(node.superInterfaceTypes());
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m_typeRefKind.pop();
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}
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acceptChildren(node.enumConstants());
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acceptChildren(node.bodyDeclarations());
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}
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return false;
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}
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@Override
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public boolean visit(EnumConstantDeclaration node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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// we don't visit and record the name of enum constant declarations because
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// this would create an unwanted self-reference.
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acceptChild(node.getJavadoc());
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acceptChildren(node.modifiers());
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acceptChildren(node.arguments());
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acceptChild(node.getAnonymousClassDeclaration());
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}
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return false;
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}
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@Override
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public boolean visit(VariableDeclarationFragment node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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// we don't visit and record the name of field declarations because
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// this would create an unwanted self-reference.
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if (!(node.getParent() instanceof FieldDeclaration))
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{
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acceptChild(node.getName());
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}
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acceptChildren(node.extraDimensions());
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acceptChild(node.getInitializer());
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}
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return false;
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}
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@Override
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public boolean visit(ClassInstanceCreation node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChild(node.getExpression());
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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if (node.getAnonymousClassDeclaration() != null)
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{
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m_typeRefKind.push(ReferenceKind.INHERITANCE);
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acceptChild(node.getType());
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m_typeRefKind.pop();
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}
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else
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{
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acceptChild(node.getType());
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}
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acceptChildren(node.arguments());
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acceptChild(node.getAnonymousClassDeclaration());
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}
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return false;
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}
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@Override
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public boolean visit(ParameterizedType node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChild(node.getType());
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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}
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return false;
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}
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@Override
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public boolean visit(QualifiedType node)
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{
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// We don't want to visit the qualifier right now.
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChildren(node.annotations());
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acceptChild(node.getName());
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}
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return false;
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}
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@Override
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public boolean visit(NameQualifiedType node)
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{
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// We don't want to visit the qualifier right now.
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChildren(node.annotations());
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acceptChild(node.getName());
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}
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return false;
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}
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@Override
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public boolean visit(final ImportDeclaration node)
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{
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// We don't want to visit the name of the ImportDeclaration because this could cause a self reference.
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super.visit(node);
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return false;
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}
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@Override
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public boolean visit(MethodInvocation node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChild(node.getExpression());
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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acceptChild(node.getName());
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acceptChildren(node.arguments());
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}
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return false;
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}
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@Override
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public boolean visit(SuperMethodInvocation node)
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{
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// We don't want to visit the qualifier right now.
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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acceptChild(node.getName());
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acceptChildren(node.arguments());
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}
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return false;
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}
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@Override
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public boolean visit(ConstructorInvocation node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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acceptChildren(node.arguments());
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}
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return false;
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}
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@Override
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public boolean visit(SuperConstructorInvocation node)
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{
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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acceptChild(node.getExpression());
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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acceptChildren(node.arguments());
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}
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return false;
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}
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@Override
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public boolean visit(CreationReference node)
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{
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// We don't want to visit the qualifying type right now.
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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}
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return false;
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}
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@Override
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public boolean visit(SuperMethodReference node)
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{
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// We don't want to visit qualifiers right now.
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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acceptChild(node.getName());
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}
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return false;
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}
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@Override
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public boolean visit(TypeMethodReference node)
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{
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// We don't want to visit the qualifying type right now.
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boolean visitChildren = super.visit(node);
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if (visitChildren)
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{
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{
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m_typeRefKind.push(ReferenceKind.TYPE_ARGUMENT);
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acceptChildren(node.typeArguments());
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m_typeRefKind.pop();
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}
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acceptChild(node.getName());
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}
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return false;
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}
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@Override
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public boolean visit(Javadoc node)
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{
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// We don't want to visit symbol references inside Javadoc right now.
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super.visit( node);
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return false;
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}
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@Override
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protected ReferenceKind getTypeReferenceKind()
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{
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if (!m_typeRefKind.isEmpty())
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{
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return m_typeRefKind.peek();
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}
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return ReferenceKind.TYPE_USAGE;
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}
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private void acceptChild(ASTNode node)
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{
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if (node != null)
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{
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node.accept(this);
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}
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}
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private void acceptChildren(List<?> nodes)
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{
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if (nodes != null)
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{
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for (Object node: nodes)
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{
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if (node instanceof ASTNode)
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{
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acceptChild((ASTNode) node);
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}
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}
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}
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}
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}
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Reference in New Issue
Block a user