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| package net.sourceforge.pmd.dfa; |
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| import net.sourceforge.pmd.ast.SimpleNode; |
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| import java.util.LinkedList; |
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| import java.util.List; |
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| import java.util.Stack; |
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| public class Structure { |
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| private LinkedList dataFlow = new LinkedList(); |
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| private Stack braceStack = new Stack(); |
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| private Stack continueBreakReturnStack = new Stack(); |
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| public IDataFlowNode createNewNode(SimpleNode node) {
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| return new DataFlowNode(node, this.dataFlow);
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| } |
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| public IDataFlowNode createStartNode(int line) {
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| return new StartOrEndDataFlowNode(this.dataFlow, line, true);
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| } |
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| public IDataFlowNode createEndNode(int line) {
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| return new StartOrEndDataFlowNode(this.dataFlow, line, false);
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| } |
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| public IDataFlowNode getLast() {
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| return (IDataFlowNode) this.dataFlow.getLast();
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| } |
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| public IDataFlowNode getFirst() {
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| return (IDataFlowNode) this.dataFlow.getFirst();
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| } |
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| protected void pushOnStack(int type, IDataFlowNode node) {
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| StackObject obj = new StackObject(type, node);
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| if (type == NodeType.RETURN_STATEMENT || type == NodeType.BREAK_STATEMENT || type == NodeType.CONTINUE_STATEMENT) {
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| continueBreakReturnStack.push(obj);
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| } else { |
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| braceStack.push(obj);
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| } |
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| ((DataFlowNode) node).setType(type);
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| } |
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| public List getBraceStack() {
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| return braceStack;
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| } |
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| public List getContinueBreakReturnStack() {
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| return continueBreakReturnStack;
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| } |
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| } |