org.extendj.ast.ThrowStmt Maven / Gradle / Ivy
The newest version!
/* 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:348
* @astdecl ThrowStmt : Stmt ::= Expr;
* @production ThrowStmt : {@link Stmt} ::= {@link Expr};
*/
public class ThrowStmt extends Stmt implements Cloneable {
/**
* @aspect Java4PrettyPrint
* @declaredat /home/jesper/git/extendj/java4/frontend/PrettyPrint.jadd:588
*/
public void prettyPrint(PrettyPrinter out) {
out.print("throw ");
out.print(getExpr());
out.print(";");
}
/**
* @aspect AnonymousClasses
* @declaredat /home/jesper/git/extendj/java4/frontend/AnonymousClasses.jrag:133
*/
protected void collectExceptions(Collection exceptions) {
super.collectExceptions(exceptions);
TypeDecl exceptionType = getExpr().type();
if (exceptionType == typeNull()) {
exceptionType = typeNullPointerException();
}
exceptions.add(exceptionType);
}
/**
* @aspect ExceptionHandling
* @declaredat /home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:344
*/
protected boolean reachedException(TypeDecl catchType) {
TypeDecl exceptionType = getExpr().type();
if (exceptionType == typeNull()) {
exceptionType = typeNullPointerException();
}
if (catchType.mayCatch(exceptionType)) {
return true;
}
return super.reachedException(catchType);
}
/**
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1789
*/
public void createBCode(CodeGeneration gen) {
super.createBCode(gen);
getExpr().createBCode(gen);
gen.ATHROW();
}
/**
* @declaredat ASTNode:1
*/
public ThrowStmt() {
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[1];
}
/**
* @declaredat ASTNode:13
*/
@ASTNodeAnnotation.Constructor(
name = {"Expr"},
type = {"Expr"},
kind = {"Child"}
)
public ThrowStmt(Expr p0) {
setChild(p0, 0);
}
/** @apilevel low-level
* @declaredat ASTNode:22
*/
protected int numChildren() {
return 1;
}
/**
* @apilevel internal
* @declaredat ASTNode:28
*/
public boolean mayHaveRewrite() {
return false;
}
/** @apilevel internal
* @declaredat ASTNode:32
*/
public void flushAttrCache() {
super.flushAttrCache();
canCompleteNormally_reset();
assignedAfter_Variable_reset();
unassignedAfter_Variable_reset();
typeThrowable_reset();
typeNull_reset();
typeNullPointerException_reset();
handlesException_TypeDecl_reset();
}
/** @apilevel internal
* @declaredat ASTNode:43
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:47
*/
public ThrowStmt clone() throws CloneNotSupportedException {
ThrowStmt node = (ThrowStmt) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:52
*/
public ThrowStmt copy() {
try {
ThrowStmt node = (ThrowStmt) 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:71
*/
@Deprecated
public ThrowStmt 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:81
*/
public ThrowStmt treeCopyNoTransform() {
ThrowStmt tree = (ThrowStmt) 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:101
*/
public ThrowStmt treeCopy() {
ThrowStmt tree = (ThrowStmt) 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:115
*/
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);
}
/** @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 = false;
if (state().inCircle()) {
canCompleteNormally_computed = state().cycle();
} else {
canCompleteNormally_computed = ASTState.NON_CYCLE;
}
return canCompleteNormally_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 = true;
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 = true;
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 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 = true;
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 = true;
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;
}
}
/**
* @attribute syn
* @aspect ExceptionHandling
* @declaredat /home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:181
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="ExceptionHandling", declaredAt="/home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:181")
public Collection exceptionHandlingProblems() {
{
Collection problems = new LinkedList();
TypeDecl exceptionType = getExpr().type();
if (exceptionType == typeNull()) {
exceptionType = typeNullPointerException();
}
// 8.4.4
if (exceptionType.isCheckedException() && !handlesException(exceptionType)) {
problems.add(errorf("%s throws uncaught exception %s",
this.prettyPrint(), exceptionType.fullName()));
}
return problems;
}
}
/**
* @attribute inh
* @aspect SpecialClasses
* @declaredat /home/jesper/git/extendj/java4/frontend/LookupType.jrag:96
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="SpecialClasses", declaredAt="/home/jesper/git/extendj/java4/frontend/LookupType.jrag:96")
public TypeDecl typeThrowable() {
ASTState state = state();
if (typeThrowable_computed == ASTState.NON_CYCLE || typeThrowable_computed == state().cycle()) {
return typeThrowable_value;
}
typeThrowable_value = getParent().Define_typeThrowable(this, null);
if (state().inCircle()) {
typeThrowable_computed = state().cycle();
} else {
typeThrowable_computed = ASTState.NON_CYCLE;
}
return typeThrowable_value;
}
/** @apilevel internal */
private void typeThrowable_reset() {
typeThrowable_computed = null;
typeThrowable_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle typeThrowable_computed = null;
/** @apilevel internal */
protected TypeDecl typeThrowable_value;
/**
* @attribute inh
* @aspect SpecialClasses
* @declaredat /home/jesper/git/extendj/java4/frontend/LookupType.jrag:99
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="SpecialClasses", declaredAt="/home/jesper/git/extendj/java4/frontend/LookupType.jrag:99")
public TypeDecl typeNull() {
ASTState state = state();
if (typeNull_computed == ASTState.NON_CYCLE || typeNull_computed == state().cycle()) {
return typeNull_value;
}
typeNull_value = getParent().Define_typeNull(this, null);
if (state().inCircle()) {
typeNull_computed = state().cycle();
} else {
typeNull_computed = ASTState.NON_CYCLE;
}
return typeNull_value;
}
/** @apilevel internal */
private void typeNull_reset() {
typeNull_computed = null;
typeNull_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle typeNull_computed = null;
/** @apilevel internal */
protected TypeDecl typeNull_value;
/**
* @attribute inh
* @aspect ExceptionHandling
* @declaredat /home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:56
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="ExceptionHandling", declaredAt="/home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:56")
public TypeDecl typeNullPointerException() {
ASTState state = state();
if (typeNullPointerException_computed == ASTState.NON_CYCLE || typeNullPointerException_computed == state().cycle()) {
return typeNullPointerException_value;
}
typeNullPointerException_value = getParent().Define_typeNullPointerException(this, null);
if (state().inCircle()) {
typeNullPointerException_computed = state().cycle();
} else {
typeNullPointerException_computed = ASTState.NON_CYCLE;
}
return typeNullPointerException_value;
}
/** @apilevel internal */
private void typeNullPointerException_reset() {
typeNullPointerException_computed = null;
typeNullPointerException_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle typeNullPointerException_computed = null;
/** @apilevel internal */
protected TypeDecl typeNullPointerException_value;
/**
* @attribute inh
* @aspect ExceptionHandling
* @declaredat /home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:90
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="ExceptionHandling", declaredAt="/home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:90")
public boolean handlesException(TypeDecl exceptionType) {
Object _parameters = exceptionType;
if (handlesException_TypeDecl_computed == null) handlesException_TypeDecl_computed = new java.util.HashMap(4);
if (handlesException_TypeDecl_values == null) handlesException_TypeDecl_values = new java.util.HashMap(4);
ASTState state = state();
if (handlesException_TypeDecl_values.containsKey(_parameters)
&& handlesException_TypeDecl_computed.containsKey(_parameters)
&& (handlesException_TypeDecl_computed.get(_parameters) == ASTState.NON_CYCLE || handlesException_TypeDecl_computed.get(_parameters) == state().cycle())) {
return (Boolean) handlesException_TypeDecl_values.get(_parameters);
}
boolean handlesException_TypeDecl_value = getParent().Define_handlesException(this, null, exceptionType);
if (state().inCircle()) {
handlesException_TypeDecl_values.put(_parameters, handlesException_TypeDecl_value);
handlesException_TypeDecl_computed.put(_parameters, state().cycle());
} else {
handlesException_TypeDecl_values.put(_parameters, handlesException_TypeDecl_value);
handlesException_TypeDecl_computed.put(_parameters, ASTState.NON_CYCLE);
}
return handlesException_TypeDecl_value;
}
/** @apilevel internal */
private void handlesException_TypeDecl_reset() {
handlesException_TypeDecl_computed = null;
handlesException_TypeDecl_values = null;
}
/** @apilevel internal */
protected java.util.Map handlesException_TypeDecl_values;
/** @apilevel internal */
protected java.util.Map handlesException_TypeDecl_computed;
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:256
* @apilevel internal
*/
public boolean Define_assignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
if (getExprNoTransform() != null && _callerNode == getExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:839
return assignedBefore(v);
}
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 (getExprNoTransform() != null && _callerNode == getExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1562
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;
}
/** @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/ExceptionHandling.jrag:179
{
java.util.Set contributors = _map.get(_root);
if (contributors == null) {
contributors = new java.util.LinkedHashSet();
_map.put((ASTNode) _root, contributors);
}
contributors.add(this);
}
// @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:499
if (!getExpr().type().instanceOf(typeThrowable())) {
{
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 contributeTo_CompilationUnit_problems(LinkedList collection) {
super.contributeTo_CompilationUnit_problems(collection);
for (Problem value : exceptionHandlingProblems()) {
collection.add(value);
}
if (!getExpr().type().instanceOf(typeThrowable())) {
collection.add(error("*** The thrown expression must extend Throwable"));
}
}
}