Attachment 73530 Details for Bug 196147 – SuperTypeConstraintsCreator.txt

SuperTypeConstraintsCreator.txt

SuperTypeConstraintsCreator.txt (text/plain), 3.36 KB, created by Markus Keller

on 2007-07-11 08:57:39 EDT

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Creator: Markus Keller

Created: 2007-07-11 08:57:39 EDT

Size: 3.36 KB

patch

obsolete

>package org.eclipse.jdt.internal.corext.refactoring.structure.constraints;
>
>import org.eclipse.jdt.core.dom.CastExpression;
>import org.eclipse.jdt.core.dom.CatchClause;
>import org.eclipse.jdt.core.dom.ClassInstanceCreation;
>import org.eclipse.jdt.core.dom.Comment;
>import org.eclipse.jdt.core.dom.ConditionalExpression;
>import org.eclipse.jdt.core.dom.ConstructorInvocation;
>import org.eclipse.jdt.core.dom.Expression;
>
>/**
> * Type constraints creator to determine the necessary constraints to replace type occurrences by a given super type.
> * 
> * @since 3.1
> */
>public final class SuperTypeConstraintsCreator extends HierarchicalASTVisitor {
>
>	/*
>	 * @see org.eclipse.jdt.internal.corext.dom.HierarchicalASTVisitor#endVisit(org.eclipse.jdt.core.dom.ArrayType)
>	 */
>	public final void endVisit(final ArrayType node) {
>		ArrayType array= null;
>		Type component= node.getComponentType();
>		while (component instanceof ArrayType) {
>			array= (ArrayType) component;
>			component= array.getComponentType();
>		}
>		final ConstraintVariable2 variable= fModel.createTypeVariable(component);
>		if (variable != null) {
>			component.setProperty(PROPERTY_CONSTRAINT_VARIABLE, variable);
>			node.setProperty(PROPERTY_CONSTRAINT_VARIABLE, variable);
>		}
>	}
>
>	/*
>	 * @see org.eclipse.jdt.internal.corext.dom.HierarchicalASTVisitor#endVisit(org.eclipse.jdt.core.dom.SimpleName)
>	 */
>	public final void endVisit(final SimpleName node) {
>		final ASTNode parent= node.getParent();
>		if (!(parent instanceof ImportDeclaration) && !(parent instanceof PackageDeclaration) && !(parent instanceof AbstractTypeDeclaration)) {
>			final IBinding binding= node.resolveBinding();
>			if (binding instanceof IVariableBinding && !(parent instanceof MethodDeclaration))
>				endVisit((IVariableBinding) binding, null, node);
>			else if (binding instanceof ITypeBinding && parent instanceof MethodDeclaration)
>				endVisit((ITypeBinding) binding, node);
>		}
>	}
>
>	/*
>	 * @see org.eclipse.jdt.internal.corext.dom.HierarchicalASTVisitor#endVisit(org.eclipse.jdt.core.dom.SingleVariableDeclaration)
>	 */
>	public final void endVisit(final SingleVariableDeclaration node) {
>		final ConstraintVariable2 ancestor= (ConstraintVariable2) node.getType().getProperty(PROPERTY_CONSTRAINT_VARIABLE);
>		if (ancestor != null) {
>			node.setProperty(PROPERTY_CONSTRAINT_VARIABLE, ancestor);
>			final Expression expression= node.getInitializer();
>			if (expression != null) {
>				final ConstraintVariable2 descendant= (ConstraintVariable2) expression.getProperty(PROPERTY_CONSTRAINT_VARIABLE);
>				if (descendant != null)
>					fModel.createSubtypeConstraint(descendant, ancestor);
>			}
>		}
>	}
>
>	/*
>	 * @see org.eclipse.jdt.internal.corext.dom.HierarchicalASTVisitor#endVisit(org.eclipse.jdt.core.dom.SuperConstructorInvocation)
>	 */
>	public final void endVisit(final SuperConstructorInvocation node) {
>		final IMethodBinding binding= node.resolveConstructorBinding();
>		if (binding != null)
>			endVisit(node.arguments(), binding);
>	}
>
>	/*
>	 * @see org.eclipse.jdt.internal.corext.dom.HierarchicalASTVisitor#endVisit(org.eclipse.jdt.core.dom.SuperFieldAccess)
>	 */
>	public final void endVisit(final SuperFieldAccess node) {
>		final Name name= node.getName();
>		final IBinding binding= name.resolveBinding();
>		if (binding instanceof IVariableBinding)
>			endVisit((IVariableBinding) binding, null, node);
>	}
>
>}

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