org.extendj.ast.SwitchStmt Maven / Gradle / Ivy
/* This file was generated with JastAdd2 (http://jastadd.org) version 2.3.0 */
package org.extendj.ast;
import java.util.ArrayList;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.IOException;
import java.util.Set;
import beaver.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentSkipListMap;
import java.util.LinkedHashSet;
import java.util.*;
import org.jastadd.util.PrettyPrintable;
import org.jastadd.util.PrettyPrinter;
import java.util.zip.*;
import java.io.*;
import org.jastadd.util.*;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
/**
* @ast node
* @declaredat /home/jesper/git/extendj/java4/grammar/Java.ast:335
* @astdecl SwitchStmt : BranchTargetStmt ::= Expr Block;
* @production SwitchStmt : {@link BranchTargetStmt} ::= {@link Expr} {@link Block};
*/
public class SwitchStmt extends BranchTargetStmt implements Cloneable {
/**
* @aspect Java4PrettyPrint
* @declaredat /home/jesper/git/extendj/java4/frontend/PrettyPrint.jadd:573
*/
public void prettyPrint(PrettyPrinter out) {
out.print("switch (");
out.print(getExpr());
out.print(") ");
out.print(getBlock());
}
/**
* @return label to be used as default target in switch bytecode instruction
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1601
*/
private int defaultLabel() {
DefaultCase defaultCase = defaultCase();
if (defaultCase != null) {
return defaultCase.label();
} else {
return end_label();
}
}
/**
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:137
*/
private void genFirstSwitch(
CodeGeneration gen,
Collection groups) {
int defaultLbl = defaultLabel();
int index_b = localNumB();
// Store the value of the switch expr so that it is only evaluated once!
getExpr().createBCode(gen);
getExpr().emitCastTo(gen, typeString());
// Push the hash code for the switch instruction.
if (getExpr().isConstant()) {
// Statically computed hash code.
typeString().emitStoreLocal(gen, index_b);
int hashCode = getExpr().constant().stringValue().hashCode();
gen.ICONST(hashCode);
} else {
// Dynamically computed hash code.
gen.DUP(typeString());
typeString().emitStoreLocal(gen, index_b);
hashCodeMethod().emitInvokeMethod(gen,
lookupType("java.lang", "Object"));
}
// Emit switch instruction.
gen.SWITCH(groups, defaultLbl);
// Code generation for switch body
for (StringLblGroup group : groups) {
gen.addLabel(group.label);
// Possible hash miss. Check for equality.
Iterator iter = group.subLabels.iterator();
while (iter.hasNext()) {
StringLabel lbl = iter.next();
int thenLbl;
if (iter.hasNext()) {
thenLbl = gen.constantPool().newLabel();
} else{
// Last conditional branches to default label.
thenLbl = defaultLbl;
}
typeString().emitLoadLocal(gen, index_b);
gen.LDC(lbl.string);
equalsMethod().emitInvokeMethod(gen,
lookupType("java.lang", "Object"));
gen.IFEQ(thenLbl);
gen.GOTO(lbl.label);
if (iter.hasNext()) {
gen.addLabel(thenLbl);
}
}
}
}
/**
* Generate invocation of method
* {@code java.lang.Object.hashCode()}.
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:199
*/
private MethodDecl hashCodeMethod() {
TypeDecl objectType = lookupType("java.lang", "Object");
for (MethodDecl method :
(Collection) objectType.memberMethods("hashCode")) {
if (method.getNumParameter() == 0) {
return method;
}
}
throw new Error("Could not find java.lang.Object.hashCode()");
}
/**
* Generate invocation of method
* {@code java.lang.Object.equals(java.lang.Object)}.
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:214
*/
private MethodDecl equalsMethod() {
TypeDecl objectType = lookupType("java.lang", "Object");
for (MethodDecl method :
(Collection) objectType.memberMethods("equals")) {
if (method.getNumParameter() == 1 &&
method.getParameter(0).getTypeAccess().type() == objectType) {
return method;
}
}
throw new Error("Could not find java.lang.Object.equals()");
}
/**
* @declaredat ASTNode:1
*/
public SwitchStmt() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @declaredat ASTNode:10
*/
public void init$Children() {
children = new ASTNode[2];
}
/**
* @declaredat ASTNode:13
*/
@ASTNodeAnnotation.Constructor(
name = {"Expr", "Block"},
type = {"Expr", "Block"},
kind = {"Child", "Child"}
)
public SwitchStmt(Expr p0, Block p1) {
setChild(p0, 0);
setChild(p1, 1);
}
/** @apilevel low-level
* @declaredat ASTNode:23
*/
protected int numChildren() {
return 2;
}
/**
* @apilevel internal
* @declaredat ASTNode:29
*/
public boolean mayHaveRewrite() {
return false;
}
/** @apilevel internal
* @declaredat ASTNode:33
*/
public void flushAttrCache() {
super.flushAttrCache();
canCompleteNormally_reset();
assignedAfter_Variable_reset();
unassignedAfter_Variable_reset();
unassignedAfterLastStmt_Variable_reset();
caseMap_reset();
defaultCase_reset();
end_label_reset();
enumIndexExpr_reset();
typeInt_reset();
typeLong_reset();
}
/** @apilevel internal
* @declaredat ASTNode:47
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:51
*/
public SwitchStmt clone() throws CloneNotSupportedException {
SwitchStmt node = (SwitchStmt) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:56
*/
public SwitchStmt copy() {
try {
SwitchStmt node = (SwitchStmt) clone();
node.parent = null;
if (children != null) {
node.children = (ASTNode[]) children.clone();
}
return node;
} catch (CloneNotSupportedException e) {
throw new Error("Error: clone not supported for " + getClass().getName());
}
}
/**
* Create a deep copy of the AST subtree at this node.
* The copy is dangling, i.e. has no parent.
* @return dangling copy of the subtree at this node
* @apilevel low-level
* @deprecated Please use treeCopy or treeCopyNoTransform instead
* @declaredat ASTNode:75
*/
@Deprecated
public SwitchStmt fullCopy() {
return treeCopyNoTransform();
}
/**
* Create a deep copy of the AST subtree at this node.
* The copy is dangling, i.e. has no parent.
* @return dangling copy of the subtree at this node
* @apilevel low-level
* @declaredat ASTNode:85
*/
public SwitchStmt treeCopyNoTransform() {
SwitchStmt tree = (SwitchStmt) copy();
if (children != null) {
for (int i = 0; i < children.length; ++i) {
ASTNode child = (ASTNode) children[i];
if (child != null) {
child = child.treeCopyNoTransform();
tree.setChild(child, i);
}
}
}
return tree;
}
/**
* Create a deep copy of the AST subtree at this node.
* The subtree of this node is traversed to trigger rewrites before copy.
* The copy is dangling, i.e. has no parent.
* @return dangling copy of the subtree at this node
* @apilevel low-level
* @declaredat ASTNode:105
*/
public SwitchStmt treeCopy() {
SwitchStmt tree = (SwitchStmt) copy();
if (children != null) {
for (int i = 0; i < children.length; ++i) {
ASTNode child = (ASTNode) getChild(i);
if (child != null) {
child = child.treeCopy();
tree.setChild(child, i);
}
}
}
return tree;
}
/** @apilevel internal
* @declaredat ASTNode:119
*/
protected boolean is$Equal(ASTNode node) {
return super.is$Equal(node);
}
/**
* Replaces the Expr child.
* @param node The new node to replace the Expr child.
* @apilevel high-level
*/
public void setExpr(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Expr child.
* @return The current node used as the Expr child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="Expr")
public Expr getExpr() {
return (Expr) getChild(0);
}
/**
* Retrieves the Expr child.
* This method does not invoke AST transformations.
* @return The current node used as the Expr child.
* @apilevel low-level
*/
public Expr getExprNoTransform() {
return (Expr) getChildNoTransform(0);
}
/**
* Replaces the Block child.
* @param node The new node to replace the Block child.
* @apilevel high-level
*/
public void setBlock(Block node) {
setChild(node, 1);
}
/**
* Retrieves the Block child.
* @return The current node used as the Block child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="Block")
public Block getBlock() {
return (Block) getChild(1);
}
/**
* Retrieves the Block child.
* This method does not invoke AST transformations.
* @return The current node used as the Block child.
* @apilevel low-level
*/
public Block getBlockNoTransform() {
return (Block) getChildNoTransform(1);
}
/**
* @aspect AutoBoxingCodegen
* @declaredat /home/jesper/git/extendj/java5/backend/AutoBoxingCodegen.jrag:207
*/
public void refined_AutoBoxingCodegen_SwitchStmt_createBCode(CodeGeneration gen) {
super.createBCode(gen);
int cond_label = gen.constantPool().newLabel();
int switch_label = gen.constantPool().newLabel();
ArrayList cases = new ArrayList();
if (getExpr().type().isEnumDecl()) {
enumIndexExpr().createBCode(gen);
Map enumIndices = hostType().enumIndices(getExpr().type());
for (ConstCase cc : constCases()) {
cases.add(new EnumLabel(enumIndices.get((EnumConstant) cc.getValue().varDecl()), cc));
}
} else {
getExpr().createBCode(gen);
if (getExpr().type().isReferenceType()) {
getExpr().type().emitUnboxingOperation(gen);
}
for (ConstCase cc : constCases()) {
cases.add(new CaseLabel(cc));
}
}
gen.SWITCH(cases, defaultLabel());
getBlock().createBCode(gen);
gen.addLabel(end_label());
}
/**
* Two implicit switch statements are generated for String typed switch statements.
* The first switch will switch on the hash code of the switch expression.
* The first switch statement computes a value for a variable that selects
* a case in the second switch statement.
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:104
*/
public void createBCode(CodeGeneration gen) {
if (getExpr().type().isString()) {
// Add line number for start of statement.
super.createBCode(gen);
// Enumerate case labels with same hash value.
Map groups = new HashMap();
int index = 1;
for (Stmt stmt : getBlock().getStmts()) {
if (stmt instanceof ConstCase) {
ConstCase cc = (ConstCase) stmt;
StringLabel caseLbl = new StringLabel(index++, cc);
int key = caseLbl.hashCode;
StringLblGroup group = groups.get(key);
if (group == null) {
group = new StringLblGroup(key, gen.constantPool().newLabel());
groups.put(key, group);
}
group.addCase(caseLbl);
}
}
genFirstSwitch(gen, groups.values());
getBlock().createBCode(gen);
gen.addLabel(end_label());
} else {
refined_AutoBoxingCodegen_SwitchStmt_createBCode(gen);
}
}
/**
* @attribute syn
* @aspect UnreachableStatements
* @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:96
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="UnreachableStatements", declaredAt="/home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:96")
public boolean lastStmtCanCompleteNormally() {
boolean lastStmtCanCompleteNormally_value = getBlock().canCompleteNormally();
return lastStmtCanCompleteNormally_value;
}
/**
* @attribute syn
* @aspect UnreachableStatements
* @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:98
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="UnreachableStatements", declaredAt="/home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:98")
public boolean noStmts() {
{
for (int i = 0; i < getBlock().getNumStmt(); i++) {
if (!(getBlock().getStmt(i) instanceof Case)) {
return false;
}
}
return true;
}
}
/**
* @attribute syn
* @aspect UnreachableStatements
* @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:107
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="UnreachableStatements", declaredAt="/home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:107")
public boolean noStmtsAfterLastLabel() {
boolean noStmtsAfterLastLabel_value = getBlock().getNumStmt() > 0
&& getBlock().getStmt(getBlock().getNumStmt()-1) instanceof Case;
return noStmtsAfterLastLabel_value;
}
/**
* @attribute syn
* @aspect UnreachableStatements
* @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:111
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="UnreachableStatements", declaredAt="/home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:111")
public boolean noDefaultLabel() {
{
for (int i = 0; i < getBlock().getNumStmt(); i++) {
if (getBlock().getStmt(i) instanceof DefaultCase) {
return false;
}
}
return true;
}
}
/** @apilevel internal */
private void canCompleteNormally_reset() {
canCompleteNormally_computed = null;
}
/** @apilevel internal */
protected ASTState.Cycle canCompleteNormally_computed = null;
/** @apilevel internal */
protected boolean canCompleteNormally_value;
/**
* @attribute syn
* @aspect UnreachableStatements
* @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:50
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="UnreachableStatements", declaredAt="/home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:50")
public boolean canCompleteNormally() {
ASTState state = state();
if (canCompleteNormally_computed == ASTState.NON_CYCLE || canCompleteNormally_computed == state().cycle()) {
return canCompleteNormally_value;
}
canCompleteNormally_value = lastStmtCanCompleteNormally() || noStmts()
|| noStmtsAfterLastLabel()
|| noDefaultLabel() || reachableBreak();
if (state().inCircle()) {
canCompleteNormally_computed = state().cycle();
} else {
canCompleteNormally_computed = ASTState.NON_CYCLE;
}
return canCompleteNormally_value;
}
/**
* @return true if this statement is a potential
* branch target of the given branch statement.
* @attribute syn
* @aspect BranchTarget
* @declaredat /home/jesper/git/extendj/java4/frontend/BranchTarget.jrag:215
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="BranchTarget", declaredAt="/home/jesper/git/extendj/java4/frontend/BranchTarget.jrag:215")
public boolean potentialTargetOf(Stmt branch) {
boolean potentialTargetOf_Stmt_value = branch.canBranchTo(this);
return potentialTargetOf_Stmt_value;
}
/** @apilevel internal */
private void assignedAfter_Variable_reset() {
assignedAfter_Variable_values = null;
}
protected java.util.Map assignedAfter_Variable_values;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true)
@ASTNodeAnnotation.Source(aspect="DefiniteAssignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:264")
public boolean assignedAfter(Variable v) {
Object _parameters = v;
if (assignedAfter_Variable_values == null) assignedAfter_Variable_values = new java.util.HashMap(4);
ASTState.CircularValue _value;
if (assignedAfter_Variable_values.containsKey(_parameters)) {
Object _cache = assignedAfter_Variable_values.get(_parameters);
if (!(_cache instanceof ASTState.CircularValue)) {
return (Boolean) _cache;
} else {
_value = (ASTState.CircularValue) _cache;
}
} else {
_value = new ASTState.CircularValue();
assignedAfter_Variable_values.put(_parameters, _value);
_value.value = true;
}
ASTState state = state();
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
boolean new_assignedAfter_Variable_value;
do {
_value.cycle = state.nextCycle();
new_assignedAfter_Variable_value = assignedAfter_compute(v);
if (((Boolean)_value.value) != new_assignedAfter_Variable_value) {
state.setChangeInCycle();
_value.value = new_assignedAfter_Variable_value;
}
} while (state.testAndClearChangeInCycle());
assignedAfter_Variable_values.put(_parameters, new_assignedAfter_Variable_value);
state.leaveCircle();
return new_assignedAfter_Variable_value;
} else if (_value.cycle != state.cycle()) {
_value.cycle = state.cycle();
boolean new_assignedAfter_Variable_value = assignedAfter_compute(v);
if (((Boolean)_value.value) != new_assignedAfter_Variable_value) {
state.setChangeInCycle();
_value.value = new_assignedAfter_Variable_value;
}
return new_assignedAfter_Variable_value;
} else {
return (Boolean) _value.value;
}
}
/** @apilevel internal */
private boolean assignedAfter_compute(Variable v) {
if (!(!noDefaultLabel() || getExpr().assignedAfter(v))) {
return false;
}
if (!(!switchLabelEndsBlock() || getExpr().assignedAfter(v))) {
return false;
}
if (!assignedAfterLastStmt(v)) {
return false;
}
for (BreakStmt stmt : targetBreaks()) {
if (!stmt.assignedAfterReachedFinallyBlocks(v)) {
return false;
}
}
return true;
}
/**
* @attribute syn
* @aspect DefiniteAssignment
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:708
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="DefiniteAssignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:708")
public boolean assignedAfterLastStmt(Variable v) {
boolean assignedAfterLastStmt_Variable_value = getBlock().assignedAfter(v);
return assignedAfterLastStmt_Variable_value;
}
/** @apilevel internal */
private void unassignedAfter_Variable_reset() {
unassignedAfter_Variable_values = null;
}
protected java.util.Map unassignedAfter_Variable_values;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true)
@ASTNodeAnnotation.Source(aspect="DefiniteUnassignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:895")
public boolean unassignedAfter(Variable v) {
Object _parameters = v;
if (unassignedAfter_Variable_values == null) unassignedAfter_Variable_values = new java.util.HashMap(4);
ASTState.CircularValue _value;
if (unassignedAfter_Variable_values.containsKey(_parameters)) {
Object _cache = unassignedAfter_Variable_values.get(_parameters);
if (!(_cache instanceof ASTState.CircularValue)) {
return (Boolean) _cache;
} else {
_value = (ASTState.CircularValue) _cache;
}
} else {
_value = new ASTState.CircularValue();
unassignedAfter_Variable_values.put(_parameters, _value);
_value.value = true;
}
ASTState state = state();
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
boolean new_unassignedAfter_Variable_value;
do {
_value.cycle = state.nextCycle();
new_unassignedAfter_Variable_value = unassignedAfter_compute(v);
if (((Boolean)_value.value) != new_unassignedAfter_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfter_Variable_value;
}
} while (state.testAndClearChangeInCycle());
unassignedAfter_Variable_values.put(_parameters, new_unassignedAfter_Variable_value);
state.leaveCircle();
return new_unassignedAfter_Variable_value;
} else if (_value.cycle != state.cycle()) {
_value.cycle = state.cycle();
boolean new_unassignedAfter_Variable_value = unassignedAfter_compute(v);
if (((Boolean)_value.value) != new_unassignedAfter_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfter_Variable_value;
}
return new_unassignedAfter_Variable_value;
} else {
return (Boolean) _value.value;
}
}
/** @apilevel internal */
private boolean unassignedAfter_compute(Variable v) {
if (!(!noDefaultLabel() || getExpr().unassignedAfter(v))) {
return false;
}
if (!(!switchLabelEndsBlock() || getExpr().unassignedAfter(v))) {
return false;
}
if (!unassignedAfterLastStmt(v)) {
return false;
}
for (BreakStmt stmt : targetBreaks()) {
if (!stmt.unassignedAfterReachedFinallyBlocks(v)) {
return false;
}
}
return true;
}
/** @apilevel internal */
private void unassignedAfterLastStmt_Variable_reset() {
unassignedAfterLastStmt_Variable_values = null;
}
protected java.util.Map unassignedAfterLastStmt_Variable_values;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true)
@ASTNodeAnnotation.Source(aspect="DefiniteUnassignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1378")
public boolean unassignedAfterLastStmt(Variable v) {
Object _parameters = v;
if (unassignedAfterLastStmt_Variable_values == null) unassignedAfterLastStmt_Variable_values = new java.util.HashMap(4);
ASTState.CircularValue _value;
if (unassignedAfterLastStmt_Variable_values.containsKey(_parameters)) {
Object _cache = unassignedAfterLastStmt_Variable_values.get(_parameters);
if (!(_cache instanceof ASTState.CircularValue)) {
return (Boolean) _cache;
} else {
_value = (ASTState.CircularValue) _cache;
}
} else {
_value = new ASTState.CircularValue();
unassignedAfterLastStmt_Variable_values.put(_parameters, _value);
_value.value = true;
}
ASTState state = state();
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
boolean new_unassignedAfterLastStmt_Variable_value;
do {
_value.cycle = state.nextCycle();
new_unassignedAfterLastStmt_Variable_value = getBlock().unassignedAfter(v);
if (((Boolean)_value.value) != new_unassignedAfterLastStmt_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfterLastStmt_Variable_value;
}
} while (state.testAndClearChangeInCycle());
unassignedAfterLastStmt_Variable_values.put(_parameters, new_unassignedAfterLastStmt_Variable_value);
state.leaveCircle();
return new_unassignedAfterLastStmt_Variable_value;
} else if (_value.cycle != state.cycle()) {
_value.cycle = state.cycle();
boolean new_unassignedAfterLastStmt_Variable_value = getBlock().unassignedAfter(v);
if (((Boolean)_value.value) != new_unassignedAfterLastStmt_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfterLastStmt_Variable_value;
}
return new_unassignedAfterLastStmt_Variable_value;
} else {
return (Boolean) _value.value;
}
}
/**
* @attribute syn
* @aspect DefiniteUnassignment
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1381
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="DefiniteUnassignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1381")
public boolean switchLabelEndsBlock() {
boolean switchLabelEndsBlock_value = getBlock().getNumStmt() > 0
&& getBlock().getStmt(getBlock().getNumStmt()-1) instanceof ConstCase;
return switchLabelEndsBlock_value;
}
/** @apilevel internal */
private void caseMap_reset() {
caseMap_computed = null;
caseMap_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle caseMap_computed = null;
/** @apilevel internal */
protected Map caseMap_value;
/**
* Maps constant values to case labels.
*
* This is used to accelerate duplicate statement label checking.
* @attribute syn
* @aspect NameCheck
* @declaredat /home/jesper/git/extendj/java4/frontend/NameCheck.jrag:639
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="NameCheck", declaredAt="/home/jesper/git/extendj/java4/frontend/NameCheck.jrag:639")
public Map caseMap() {
ASTState state = state();
if (caseMap_computed == ASTState.NON_CYCLE || caseMap_computed == state().cycle()) {
return caseMap_value;
}
caseMap_value = caseMap_compute();
if (state().inCircle()) {
caseMap_computed = state().cycle();
} else {
caseMap_computed = ASTState.NON_CYCLE;
}
return caseMap_value;
}
/** @apilevel internal */
private Map caseMap_compute() {
Map map = new HashMap();
for (Stmt stmt : getBlock().getStmtList()) {
if (stmt instanceof Case) {
if (stmt instanceof ConstCase) {
ConstCase cc = (ConstCase) stmt;
if (cc.getValue().isConstant()) {
if (cc.getValue().type().assignableToInt()) {
Constant v = cc.getValue().constant();
if (!map.containsKey(v.intValue())) {
map.put(v.intValue(), cc);
}
}
}
}
}
}
return map;
}
/**
* @attribute syn
* @aspect TypeCheck
* @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:462
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="TypeCheck", declaredAt="/home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:462")
public Collection typeProblems() {
{
TypeDecl type = getExpr().type();
if ((!type.isIntegralType() || type.isLong()) && !type.isEnumDecl() && !type.isString()) {
return Collections.singletonList(
error("Switch expression must be of type char, byte, short, int, enum, or string"));
}
return Collections.emptyList();
}
}
/**
* @attribute syn
* @aspect PreciseRethrow
* @declaredat /home/jesper/git/extendj/java7/frontend/PreciseRethrow.jrag:78
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="PreciseRethrow", declaredAt="/home/jesper/git/extendj/java7/frontend/PreciseRethrow.jrag:78")
public boolean modifiedInScope(Variable var) {
boolean modifiedInScope_Variable_value = getBlock().modifiedInScope(var);
return modifiedInScope_Variable_value;
}
/** @apilevel internal */
private void defaultCase_reset() {
defaultCase_computed = null;
defaultCase_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle defaultCase_computed = null;
/** @apilevel internal */
protected DefaultCase defaultCase_value;
/**
* @return a reference to the default case lable, or {@code null}
* if there is no default case.
* @attribute syn
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1557
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="CreateBCode", declaredAt="/home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1557")
public DefaultCase defaultCase() {
ASTState state = state();
if (defaultCase_computed == ASTState.NON_CYCLE || defaultCase_computed == state().cycle()) {
return defaultCase_value;
}
defaultCase_value = defaultCase_compute();
if (state().inCircle()) {
defaultCase_computed = state().cycle();
} else {
defaultCase_computed = ASTState.NON_CYCLE;
}
return defaultCase_value;
}
/** @apilevel internal */
private DefaultCase defaultCase_compute() {
for (int i= 0; i < getBlock().getNumStmt(); i++) {
if (getBlock().getStmt(i) instanceof DefaultCase) {
return (DefaultCase) getBlock().getStmt(i);
}
}
return null;
}
/** @apilevel internal */
private void end_label_reset() {
end_label_computed = null;
}
/** @apilevel internal */
protected ASTState.Cycle end_label_computed = null;
/** @apilevel internal */
protected int end_label_value;
/**
* @attribute syn
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1566
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="CreateBCode", declaredAt="/home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1566")
public int end_label() {
ASTState state = state();
if (end_label_computed == ASTState.NON_CYCLE || end_label_computed == state().cycle()) {
return end_label_value;
}
end_label_value = hostType().constantPool().newLabel();
if (state().inCircle()) {
end_label_computed = state().cycle();
} else {
end_label_computed = ASTState.NON_CYCLE;
}
return end_label_value;
}
/**
* @attribute syn
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1588
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="CreateBCode", declaredAt="/home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1588")
public int numCase() {
{
int result = 0;
for (int i = 0; i < getBlock().getNumStmt(); i++) {
if (getBlock().getStmt(i) instanceof Case) {
result++;
}
}
return result;
}
}
/**
* @attribute syn
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1704
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="CreateBCode", declaredAt="/home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1704")
public int break_label() {
int break_label_value = end_label();
return break_label_value;
}
/** @apilevel internal */
private void enumIndexExpr_reset() {
enumIndexExpr_computed = false;
enumIndexExpr_value = null;
}
/** @apilevel internal */
protected boolean enumIndexExpr_computed = false;
/** @apilevel internal */
protected Expr enumIndexExpr_value;
/**
* This is the expression used during code generation to access the enum index field
* and compute the jump target.
* @attribute syn
* @aspect EnumsCodegen
* @declaredat /home/jesper/git/extendj/java5/backend/EnumsCodegen.jrag:141
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isNTA=true)
@ASTNodeAnnotation.Source(aspect="EnumsCodegen", declaredAt="/home/jesper/git/extendj/java5/backend/EnumsCodegen.jrag:141")
public Expr enumIndexExpr() {
ASTState state = state();
if (enumIndexExpr_computed) {
return enumIndexExpr_value;
}
state().enterLazyAttribute();
enumIndexExpr_value = hostType().createEnumMethod(getExpr().type())
.createBoundAccess(new List())
.qualifiesAccess(
new ArrayAccess(((Expr) getExpr().treeCopyNoTransform())
.qualifiesAccess(new MethodAccess("ordinal", new List()))));
enumIndexExpr_value.setParent(this);
enumIndexExpr_computed = true;
state().leaveLazyAttribute();
return enumIndexExpr_value;
}
/** @return a collection of the constant cases in this switch statement.
* @attribute syn
* @aspect EnumsCodegen
* @declaredat /home/jesper/git/extendj/java5/backend/EnumsCodegen.jrag:149
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="EnumsCodegen", declaredAt="/home/jesper/git/extendj/java5/backend/EnumsCodegen.jrag:149")
public Collection constCases() {
{
Collection cases = new LinkedList();
for (Stmt stmt : getBlock().getStmtList()) {
if (stmt instanceof ConstCase) {
cases.add((ConstCase) stmt);
}
}
return cases;
}
}
/**
* @attribute syn
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:42
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="StringsInSwitch", declaredAt="/home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:42")
public boolean isSwitchWithString() {
boolean isSwitchWithString_value = getExpr().type().isString();
return isSwitchWithString_value;
}
/**
* Local index for the first switch variable.
* @attribute syn
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:56
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="StringsInSwitch", declaredAt="/home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:56")
public int localNumA() {
int localNumA_value = localNum();
return localNumA_value;
}
/**
* Local index for the second switch variable.
* @attribute syn
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:61
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="StringsInSwitch", declaredAt="/home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:61")
public int localNumB() {
int localNumB_value = localNum() + typeInt().variableSize();
return localNumB_value;
}
/**
* Utility method to compute offsets between labels.
* @attribute syn
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:95
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="StringsInSwitch", declaredAt="/home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:95")
public int labelOffset(CodeGeneration gen, int lbl1, int lbl2) {
int labelOffset_CodeGeneration_int_int_value = gen.addressOf(lbl1) - gen.addressOf(lbl2);
return labelOffset_CodeGeneration_int_int_value;
}
/**
* @attribute inh
* @aspect SpecialClasses
* @declaredat /home/jesper/git/extendj/java4/frontend/LookupType.jrag:90
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="SpecialClasses", declaredAt="/home/jesper/git/extendj/java4/frontend/LookupType.jrag:90")
public TypeDecl typeInt() {
ASTState state = state();
if (typeInt_computed == ASTState.NON_CYCLE || typeInt_computed == state().cycle()) {
return typeInt_value;
}
typeInt_value = getParent().Define_typeInt(this, null);
if (state().inCircle()) {
typeInt_computed = state().cycle();
} else {
typeInt_computed = ASTState.NON_CYCLE;
}
return typeInt_value;
}
/** @apilevel internal */
private void typeInt_reset() {
typeInt_computed = null;
typeInt_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle typeInt_computed = null;
/** @apilevel internal */
protected TypeDecl typeInt_value;
/**
* @attribute inh
* @aspect SpecialClasses
* @declaredat /home/jesper/git/extendj/java4/frontend/LookupType.jrag:92
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="SpecialClasses", declaredAt="/home/jesper/git/extendj/java4/frontend/LookupType.jrag:92")
public TypeDecl typeLong() {
ASTState state = state();
if (typeLong_computed == ASTState.NON_CYCLE || typeLong_computed == state().cycle()) {
return typeLong_value;
}
typeLong_value = getParent().Define_typeLong(this, null);
if (state().inCircle()) {
typeLong_computed = state().cycle();
} else {
typeLong_computed = ASTState.NON_CYCLE;
}
return typeLong_value;
}
/** @apilevel internal */
private void typeLong_reset() {
typeLong_computed = null;
typeLong_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle typeLong_computed = null;
/** @apilevel internal */
protected TypeDecl typeLong_value;
/**
* @attribute inh
* @aspect StringsInSwitch
* @declaredat /home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:45
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="StringsInSwitch", declaredAt="/home/jesper/git/extendj/java7/backend/StringsInSwitch.jrag:45")
public TypeDecl typeString() {
TypeDecl typeString_value = getParent().Define_typeString(this, null);
return typeString_value;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:49
* @apilevel internal
*/
public boolean Define_reachable(ASTNode _callerNode, ASTNode _childNode) {
if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:125
return reachable();
}
else {
return getParent().Define_reachable(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:49
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute reachable
*/
protected boolean canDefine_reachable(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/PreciseRethrow.jrag:280
* @apilevel internal
*/
public boolean Define_reportUnreachable(ASTNode _callerNode, ASTNode _childNode) {
if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/UnreachableStatements.jrag:218
return reachable();
}
else {
return getParent().Define_reportUnreachable(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/PreciseRethrow.jrag:280
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute reportUnreachable
*/
protected boolean canDefine_reportUnreachable(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/BranchTarget.jrag:230
* @apilevel internal
*/
public Stmt Define_branchTarget(ASTNode _callerNode, ASTNode _childNode, Stmt branch) {
int childIndex = this.getIndexOfChild(_callerNode);
return branch.canBranchTo(this) ? this : branchTarget(branch);
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/BranchTarget.jrag:230
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute branchTarget
*/
protected boolean canDefine_branchTarget(ASTNode _callerNode, ASTNode _childNode, Stmt branch) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:256
* @apilevel internal
*/
public boolean Define_assignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:729
return getExpr().assignedAfter(v);
}
else if (getExprNoTransform() != null && _callerNode == getExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:711
{
if (((ASTNode) v).isDescendantTo(this)) {
return false;
}
boolean result = assignedBefore(v);
return result;
}
}
else {
return getParent().Define_assignedBefore(this, _callerNode, v);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:256
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute assignedBefore
*/
protected boolean canDefine_assignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:887
* @apilevel internal
*/
public boolean Define_unassignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1388
return getExpr().unassignedAfter(v);
}
else if (getExprNoTransform() != null && _callerNode == getExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1386
return unassignedBefore(v);
}
else {
return getParent().Define_unassignedBefore(this, _callerNode, v);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:887
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute unassignedBefore
*/
protected boolean canDefine_unassignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/NameCheck.jrag:533
* @apilevel internal
*/
public boolean Define_insideSwitch(ASTNode _callerNode, ASTNode _childNode) {
if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/NameCheck.jrag:536
return true;
}
else {
return getParent().Define_insideSwitch(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/NameCheck.jrag:533
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute insideSwitch
*/
protected boolean canDefine_insideSwitch(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/NameCheck.jrag:594
* @apilevel internal
*/
public Case Define_previousCase(ASTNode _callerNode, ASTNode _childNode, Case c) {
if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/NameCheck.jrag:596
{
if (c instanceof ConstCase) {
ConstCase cc = (ConstCase) c;
if (cc.getValue().isConstant()) {
if (cc.getValue().type().assignableToInt()) {
return caseMap().get(cc.getValue().constant().intValue());
}
} else {
// The label does not have a constant value, so we won't be able to
// find a duplicate.
return c;
}
} else if (c instanceof DefaultCase) {
// Default case label.
for (Stmt stmt : getBlock().getStmtList()) {
if (stmt instanceof DefaultCase) {
return (Case) stmt;
}
}
}
// Fall back on comparing against all case labels.
for (Stmt stmt : getBlock().getStmtList()) {
if (stmt instanceof Case && ((Case) stmt).constValue(c)) {
return (Case) stmt;
}
if (stmt == c) {
return c;
}
}
// This should not happen, since the Case label that evaluates the
// attribute must be directly nested in this switch statement.
throw new Error("Case label not found in switch statement list.");
}
}
else {
return getParent().Define_previousCase(this, _callerNode, c);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/NameCheck.jrag:594
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute previousCase
*/
protected boolean canDefine_previousCase(ASTNode _callerNode, ASTNode _childNode, Case c) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:485
* @apilevel internal
*/
public TypeDecl Define_switchType(ASTNode _callerNode, ASTNode _childNode) {
if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:486
return getExpr().type();
}
else {
return getParent().Define_switchType(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:485
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute switchType
*/
protected boolean canDefine_switchType(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:53
* @apilevel internal
*/
public int Define_localNum(ASTNode _callerNode, ASTNode _childNode) {
int childIndex = this.getIndexOfChild(_callerNode);
return localNum() + typeInt().variableSize() + typeString().variableSize();
}
/**
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:53
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute localNum
*/
protected boolean canDefine_localNum(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/** @apilevel internal */
public ASTNode rewriteTo() {
return super.rewriteTo();
}
/** @apilevel internal */
public boolean canRewrite() {
return false;
}
/** @apilevel internal */
protected void collect_contributors_CompilationUnit_problems(CompilationUnit _root, java.util.Map> _map) {
// @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:460
{
java.util.Set contributors = _map.get(_root);
if (contributors == null) {
contributors = new java.util.LinkedHashSet();
_map.put((ASTNode) _root, contributors);
}
contributors.add(this);
}
super.collect_contributors_CompilationUnit_problems(_root, _map);
}
/** @apilevel internal */
protected void collect_contributors_TypeDecl_enumSwitchStatements(CompilationUnit _root, java.util.Map> _map) {
// @declaredat /home/jesper/git/extendj/java5/backend/EnumsCodegen.jrag:132
if (getExpr().type().isEnumDecl()) {
{
TypeDecl target = (TypeDecl) (hostType());
java.util.Set contributors = _map.get(target);
if (contributors == null) {
contributors = new java.util.LinkedHashSet();
_map.put((ASTNode) target, contributors);
}
contributors.add(this);
}
}
super.collect_contributors_TypeDecl_enumSwitchStatements(_root, _map);
}
/** @apilevel internal */
protected void contributeTo_CompilationUnit_problems(LinkedList collection) {
super.contributeTo_CompilationUnit_problems(collection);
for (Problem value : typeProblems()) {
collection.add(value);
}
}
/** @apilevel internal */
protected void contributeTo_TypeDecl_enumSwitchStatements(LinkedList collection) {
super.contributeTo_TypeDecl_enumSwitchStatements(collection);
if (getExpr().type().isEnumDecl()) {
collection.add(this);
}
}
}