X-Git-Url: http://git.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/dom/InternalASTRewrite.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/dom/InternalASTRewrite.java deleted file mode 100644 index a4beb82..0000000 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/core/dom/InternalASTRewrite.java +++ /dev/null @@ -1,241 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2006 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package net.sourceforge.phpdt.core.dom; - -import java.util.Hashtable; -import java.util.List; -import java.util.Map; - -import org.eclipse.text.edits.MultiTextEdit; -import org.eclipse.text.edits.TextEdit; - -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.TextUtilities; - -import net.sourceforge.phpdt.core.dom.SimplePropertyDescriptor; -import net.sourceforge.phpdt.core.dom.StructuralPropertyDescriptor; -import net.sourceforge.phpdt.core.dom.rewrite.TargetSourceRangeComputer; -import net.sourceforge.phpdt.internal.core.dom.rewrite.ASTRewriteAnalyzer; -import net.sourceforge.phpdt.internal.core.dom.rewrite.LineInformation; -import net.sourceforge.phpdt.internal.core.dom.rewrite.ListRewriteEvent; -import net.sourceforge.phpdt.internal.core.dom.rewrite.NodeInfoStore; -import net.sourceforge.phpdt.internal.core.dom.rewrite.NodeRewriteEvent; -import net.sourceforge.phpdt.internal.core.dom.rewrite.RewriteEventStore; -import net.sourceforge.phpdt.internal.core.dom.rewrite.RewriteEventStore.CopySourceInfo; -import net.sourceforge.phpdt.internal.core.dom.rewrite.RewriteEventStore.PropertyLocation; - -/** - * Internal class: not intended to be used by client. - * When AST modifications recording is enabled, all changes are recorded by this class. - */ -class InternalASTRewrite extends NodeEventHandler { - - /** root node for the rewrite: Only nodes under this root are accepted */ - private CompilationUnit root; - - protected final RewriteEventStore eventStore; - protected final NodeInfoStore nodeStore; - protected final Hashtable clonedNodes; - - int cloneDepth = 0; - - /** - * Constructor - * @param root root node of the recorded ast. - */ - public InternalASTRewrite(CompilationUnit root) { - this.root = root; - this.eventStore = new RewriteEventStore(); - this.nodeStore = new NodeInfoStore(root.getAST()); - this.clonedNodes = new Hashtable(); - } - - /** - * Performs the rewrite: The rewrite events are translated to the corresponding in text changes. - * @param document Document which describes the code of the AST that is passed in in the - * constructor. This document is accessed read-only. - * @param options options - * @throws IllegalArgumentException if the rewrite fails - * @return Returns the edit describing the text changes. - */ - public TextEdit rewriteAST(IDocument document, Map options) { - TextEdit result = new MultiTextEdit(); - - final CompilationUnit rootNode = getRootNode(); - if (rootNode != null) { - TargetSourceRangeComputer xsrComputer = new TargetSourceRangeComputer() { - /** - * This implementation of - * {@link TargetSourceRangeComputer#computeSourceRange(ASTNode)} - * is specialized to work in the case of internal AST rewriting, where the - * original AST has been modified from its original form. This means that - * one cannot trust that the root of the given node is the compilation unit. - */ - public SourceRange computeSourceRange(ASTNode node) { - int extendedStartPosition = rootNode.getExtendedStartPosition(node); - int extendedLength = rootNode.getExtendedLength(node); - return new SourceRange(extendedStartPosition, extendedLength); - } - }; - char[] content= document.get().toCharArray(); - LineInformation lineInfo= LineInformation.create(document); - String lineDelim= TextUtilities.getDefaultLineDelimiter(document); - List comments= rootNode.getCommentList(); - - ASTRewriteAnalyzer visitor = new ASTRewriteAnalyzer(content, lineInfo, lineDelim, result, this.eventStore, this.nodeStore, comments, options, xsrComputer); - rootNode.accept(visitor); - } - return result; - } - - private void markAsMoveOrCopyTarget(ASTNode node, ASTNode newChild) { - ASTNode source = (ASTNode)this.clonedNodes.get(newChild); - if(source != null) { - if(this.cloneDepth == 0) { - PropertyLocation propertyLocation = this.eventStore.getPropertyLocation(source, RewriteEventStore.ORIGINAL); - CopySourceInfo sourceInfo = - this.eventStore.markAsCopySource( - propertyLocation.getParent(), - propertyLocation.getProperty(), - source, - false); - this.nodeStore.markAsCopyTarget(newChild, sourceInfo); - } - } else if((newChild.getFlags() & ASTNode.ORIGINAL) != 0) { - PropertyLocation propertyLocation = this.eventStore.getPropertyLocation(newChild, RewriteEventStore.ORIGINAL); - CopySourceInfo sourceInfo = - this.eventStore.markAsCopySource( - propertyLocation.getParent(), - propertyLocation.getProperty(), - newChild, - true); - this.nodeStore.markAsCopyTarget(newChild, sourceInfo); - } - } - - private CompilationUnit getRootNode() { - return this.root; - } - - public String toString() { - StringBuffer buf = new StringBuffer(); - buf.append("Events:\n"); //$NON-NLS-1$ - buf.append(this.eventStore.toString()); - return buf.toString(); - } - - void preValueChangeEvent(ASTNode node, SimplePropertyDescriptor property) { - // force event creation - this.getNodeEvent(node, property); - } - - void postValueChangeEvent(ASTNode node, SimplePropertyDescriptor property) { - NodeRewriteEvent event = this.getNodeEvent(node, property); - event.setNewValue(node.getStructuralProperty(property)); - } - - void preAddChildEvent(ASTNode node, ASTNode child, StructuralPropertyDescriptor property) { - if(property.isChildProperty()) { - NodeRewriteEvent event = this.getNodeEvent(node, property); - event.setNewValue(child); - if(child != null) { - this.markAsMoveOrCopyTarget(node, child); - } - } else if(property.isChildListProperty()) { - // force event creation - this.getListEvent(node, property); - } - } - - void postAddChildEvent(ASTNode node, ASTNode child, StructuralPropertyDescriptor property) { - if(property.isChildListProperty()) { - - ListRewriteEvent event = this.getListEvent(node, property); - List list = (List)node.getStructuralProperty(property); - int i = list.indexOf(child); - int s = list.size(); - int index; - if(i + 1 < s) { - ASTNode nextNode = (ASTNode)list.get(i + 1); - index = event.getIndex(nextNode, ListRewriteEvent.NEW); - } else { - index = -1; - } - event.insert(child, index); - if(child != null) { - this.markAsMoveOrCopyTarget(node, child); - } - } - } - - void preRemoveChildEvent(ASTNode node, ASTNode child, StructuralPropertyDescriptor property) { - if(property.isChildProperty()) { - NodeRewriteEvent event = getNodeEvent(node, property); - event.setNewValue(null); - } else if(property.isChildListProperty()) { - ListRewriteEvent event = this.getListEvent(node, property); - int i = event.getIndex(child, ListRewriteEvent.NEW); - NodeRewriteEvent nodeEvent = (NodeRewriteEvent)event.getChildren()[i]; - if(nodeEvent.getOriginalValue() == null) { - event.revertChange(nodeEvent); - } else { - nodeEvent.setNewValue(null); - } - } - } - - void preReplaceChildEvent(ASTNode node, ASTNode child, ASTNode newChild, StructuralPropertyDescriptor property) { - if(property.isChildProperty()) { - NodeRewriteEvent event = getNodeEvent(node, property); - event.setNewValue(newChild); - if(newChild != null) { - this.markAsMoveOrCopyTarget(node, newChild); - } - } else if(property.isChildListProperty()) { - ListRewriteEvent event = this.getListEvent(node, property); - int i = event.getIndex(child, ListRewriteEvent.NEW); - NodeRewriteEvent nodeEvent = (NodeRewriteEvent)event.getChildren()[i]; - nodeEvent.setNewValue(newChild); - if(newChild != null) { - this.markAsMoveOrCopyTarget(node, newChild); - } - } - } - - - void preCloneNodeEvent(ASTNode node) { - this.cloneDepth++; - } - - - void postCloneNodeEvent(ASTNode node, ASTNode clone) { - if(node.ast == root.ast && clone.ast == root.ast) { - if((node.getFlags() & ASTNode.ORIGINAL) != 0) { - this.clonedNodes.put(clone, node); - } else { - // node can be a cloned node - Object original = this.clonedNodes.get(node); - if(original != null) { - this.clonedNodes.put(clone, original); - } - } - } - this.cloneDepth--; - } - - private NodeRewriteEvent getNodeEvent(ASTNode node, StructuralPropertyDescriptor property) { - return this.eventStore.getNodeEvent(node, property, true); - } - - private ListRewriteEvent getListEvent(ASTNode node, StructuralPropertyDescriptor property) { - return this.eventStore.getListEvent(node, property, true); - } -}