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| package net.sourceforge.pmd.symboltable; |
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| import net.sourceforge.pmd.ast.ASTAssignmentOperator; |
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| import net.sourceforge.pmd.ast.ASTExpression; |
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| import net.sourceforge.pmd.ast.ASTName; |
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| import net.sourceforge.pmd.ast.ASTPostfixExpression; |
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| import net.sourceforge.pmd.ast.ASTPreDecrementExpression; |
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| import net.sourceforge.pmd.ast.ASTPreIncrementExpression; |
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| import net.sourceforge.pmd.ast.ASTPrimaryExpression; |
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| import net.sourceforge.pmd.ast.ASTPrimaryPrefix; |
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| import net.sourceforge.pmd.ast.ASTStatementExpression; |
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| import net.sourceforge.pmd.ast.Node; |
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| import net.sourceforge.pmd.ast.SimpleNode; |
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| |
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| public class NameOccurrence { |
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| |
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| private SimpleNode location; |
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| private String image; |
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| private NameOccurrence qualifiedName; |
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| private boolean isMethodOrConstructorInvocation; |
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| private int argumentCount; |
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2527
| public NameOccurrence(SimpleNode location, String image) {
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2527
| this.location = location;
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2527
| this.image = image;
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| } |
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| |
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896
| public void setIsMethodOrConstructorInvocation() {
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896
| isMethodOrConstructorInvocation = true;
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| } |
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| |
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896
| public void setArgumentCount(int count) {
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896
| argumentCount = count;
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| } |
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255
| public int getArgumentCount() {
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255
| return argumentCount;
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| } |
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| |
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7898
| public boolean isMethodOrConstructorInvocation() {
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7898
| return isMethodOrConstructorInvocation;
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| } |
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| |
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710
| public void setNameWhichThisQualifies(NameOccurrence qualifiedName) {
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710
| this.qualifiedName = qualifiedName;
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| } |
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| public NameOccurrence getNameForWhichThisIsAQualifier() {
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| return qualifiedName;
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| } |
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101
| public boolean isPartOfQualifiedName() {
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101
| return qualifiedName != null;
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| } |
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3552
| public SimpleNode getLocation() {
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3552
| return location;
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| } |
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110
| public boolean isOnRightHandSide() {
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110
| SimpleNode node = (SimpleNode) location.jjtGetParent().jjtGetParent().jjtGetParent();
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| return node instanceof ASTExpression && node.jjtGetNumChildren() == 3;
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| } |
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268
| public boolean isOnLeftHandSide() {
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268
| SimpleNode primaryExpression;
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268
| if (location.jjtGetParent() instanceof ASTPrimaryExpression) {
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5
| primaryExpression = (SimpleNode) location.jjtGetParent().jjtGetParent();
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263
| } else if (location.jjtGetParent().jjtGetParent() instanceof ASTPrimaryExpression) {
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263
| primaryExpression = (SimpleNode) location.jjtGetParent().jjtGetParent().jjtGetParent();
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| } else { |
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0
| throw new RuntimeException("Found a NameOccurrence that didn't have an ASTPrimary Expression as parent or grandparent. Parent = " + location.jjtGetParent() + " and grandparent = " + location.jjtGetParent().jjtGetParent());
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| } |
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| |
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268
| if (isStandAlonePostfix(primaryExpression)) {
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40
| return true;
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| } |
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| |
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| if (primaryExpression.jjtGetNumChildren() <= 1) {
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| return false;
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| } |
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| |
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| if (!(primaryExpression.jjtGetChild(1) instanceof ASTAssignmentOperator)) {
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| return false;
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| } |
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75
| if (isPartOfQualifiedName() ) {
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4
| return false;
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| } |
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71
| if (isCompoundAssignment(primaryExpression)) {
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6
| return false;
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| } |
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| return true;
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| } |
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| private boolean isCompoundAssignment(SimpleNode primaryExpression) {
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| return ((ASTAssignmentOperator) (primaryExpression.jjtGetChild(1))).isCompound();
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| } |
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268
| private boolean isStandAlonePostfix(SimpleNode primaryExpression) {
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109 |
268
| if (!(primaryExpression instanceof ASTPostfixExpression) || !(primaryExpression.jjtGetParent() instanceof ASTStatementExpression)) {
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| return false;
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| } |
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| |
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41
| ASTPrimaryPrefix pf = (ASTPrimaryPrefix) ((ASTPrimaryExpression) primaryExpression.jjtGetChild(0)).jjtGetChild(0);
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41
| if (pf.usesThisModifier()) {
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1
| return true;
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| } |
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40
| return thirdChildHasDottedName(primaryExpression);
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| } |
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| private boolean thirdChildHasDottedName(SimpleNode primaryExpression) {
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| Node thirdChild = primaryExpression.jjtGetChild(0).jjtGetChild(0).jjtGetChild(0);
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| return thirdChild instanceof ASTName && ((ASTName) thirdChild).getImage().indexOf('.') == -1;
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| } |
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| public boolean isSelfAssignment() {
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| Node l = location;
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| while (true) {
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| Node p = l.jjtGetParent();
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130 |
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| Node gp = p.jjtGetParent();
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| Node node = gp.jjtGetParent();
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132 |
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| if (node instanceof ASTPreDecrementExpression || node instanceof ASTPreIncrementExpression || node instanceof ASTPostfixExpression) {
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133 |
9
| return true;
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| } |
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136 |
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| if (node instanceof ASTStatementExpression) {
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| ASTStatementExpression exp = (ASTStatementExpression) node;
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| if (exp.jjtGetNumChildren() >= 2 && exp.jjtGetChild(1) instanceof ASTAssignmentOperator) {
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139 |
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| ASTAssignmentOperator op = (ASTAssignmentOperator) exp.jjtGetChild(1);
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140 |
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| if (op.isCompound()) {
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| return true;
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| } |
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| } |
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| } |
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| if (p instanceof ASTPrimaryPrefix && p.jjtGetNumChildren() == 1 &&
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| gp instanceof ASTPrimaryExpression && gp.jjtGetNumChildren() == 1&& |
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| node instanceof ASTExpression && node.jjtGetNumChildren() == 1 && |
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| node.jjtGetParent() instanceof ASTPrimaryPrefix && node.jjtGetParent().jjtGetNumChildren() == 1) { |
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1
| l = node;
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1
| continue;
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| } |
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9
| return false;
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| } |
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| } |
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159 |
9159
| public boolean isThisOrSuper() {
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9159
| return image.equals("this") || image.equals("super");
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| } |
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1
| public boolean equals(Object o) {
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164 |
1
| NameOccurrence n = (NameOccurrence) o;
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165 |
1
| return n.getImage().equals(getImage());
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| } |
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168 |
389
| public int hashCode() {
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169 |
389
| return getImage().hashCode();
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| } |
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172 |
12132
| public String getImage() {
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12132
| return image;
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| } |
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0
| public String toString() {
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177 |
0
| return getImage() + ":" + location.getBeginLine() + ":" + location.getClass() + (this.isMethodOrConstructorInvocation() ? "(method call)" : "");
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| } |
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| } |