org.extendj.ast.MultiCatch 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;
/**
* A catch clause that can catch a multiple exception types.
* @ast node
* @declaredat /home/jesper/git/extendj/java7/grammar/MultiCatch.ast:14
* @astdecl MultiCatch : CatchClause ::= Parameter:CatchParameterDeclaration Block;
* @production MultiCatch : {@link CatchClause} ::= Parameter:{@link CatchParameterDeclaration} {@link Block};
*/
public class MultiCatch extends CatchClause implements Cloneable {
/**
* @aspect Java7PrettyPrint
* @declaredat /home/jesper/git/extendj/java7/frontend/PrettyPrint.jadd:50
*/
public void prettyPrint(PrettyPrinter out) {
out.print("catch (");
out.print(getParameter());
out.print(") ");
out.print(getBlock());
}
/**
* The Multi-Catch clause has two or more exception table entries
* which all point to the same exception handler.
* @aspect MultiCatch
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:37
*/
public void exceptionTableEntries(CodeGeneration gen, int begin_lbl, int end_lbl) {
for (int i = 0; i < getParameter().getNumTypeAccess(); ++i) {
TypeDecl type = getParameter().getTypeAccess(i).type();
gen.addExceptionHandler(begin_lbl, end_lbl, label(), type);
}
}
/**
* @aspect MultiCatch
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:44
*/
public void createBCode(CodeGeneration gen) {
gen.addLabel(label());
getParameter().type().emitStoreLocal(gen, localNum());
getBlock().createBCode(gen);
}
/**
* @declaredat ASTNode:1
*/
public MultiCatch() {
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 = {"Parameter", "Block"},
type = {"CatchParameterDeclaration", "Block"},
kind = {"Child", "Child"}
)
public MultiCatch(CatchParameterDeclaration 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();
parameterDeclaration_String_reset();
localNum_reset();
}
/** @apilevel internal
* @declaredat ASTNode:39
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:43
*/
public MultiCatch clone() throws CloneNotSupportedException {
MultiCatch node = (MultiCatch) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:48
*/
public MultiCatch copy() {
try {
MultiCatch node = (MultiCatch) 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:67
*/
@Deprecated
public MultiCatch 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:77
*/
public MultiCatch treeCopyNoTransform() {
MultiCatch tree = (MultiCatch) 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:97
*/
public MultiCatch treeCopy() {
MultiCatch tree = (MultiCatch) 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:111
*/
protected boolean is$Equal(ASTNode node) {
return super.is$Equal(node);
}
/**
* Replaces the Parameter child.
* @param node The new node to replace the Parameter child.
* @apilevel high-level
*/
public void setParameter(CatchParameterDeclaration node) {
setChild(node, 0);
}
/**
* Retrieves the Parameter child.
* @return The current node used as the Parameter child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="Parameter")
public CatchParameterDeclaration getParameter() {
return (CatchParameterDeclaration) getChild(0);
}
/**
* Retrieves the Parameter child.
* This method does not invoke AST transformations.
* @return The current node used as the Parameter child.
* @apilevel low-level
*/
public CatchParameterDeclaration getParameterNoTransform() {
return (CatchParameterDeclaration) 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);
}
/** @apilevel internal */
private void parameterDeclaration_String_reset() {
parameterDeclaration_String_computed = null;
parameterDeclaration_String_values = null;
}
/** @apilevel internal */
protected java.util.Map parameterDeclaration_String_values;
/** @apilevel internal */
protected java.util.Map parameterDeclaration_String_computed;
/**
* @attribute syn
* @aspect VariableScope
* @declaredat /home/jesper/git/extendj/java4/frontend/LookupVariable.jrag:192
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="VariableScope", declaredAt="/home/jesper/git/extendj/java4/frontend/LookupVariable.jrag:192")
public SimpleSet parameterDeclaration(String name) {
Object _parameters = name;
if (parameterDeclaration_String_computed == null) parameterDeclaration_String_computed = new java.util.HashMap(4);
if (parameterDeclaration_String_values == null) parameterDeclaration_String_values = new java.util.HashMap(4);
ASTState state = state();
if (parameterDeclaration_String_values.containsKey(_parameters)
&& parameterDeclaration_String_computed.containsKey(_parameters)
&& (parameterDeclaration_String_computed.get(_parameters) == ASTState.NON_CYCLE || parameterDeclaration_String_computed.get(_parameters) == state().cycle())) {
return (SimpleSet) parameterDeclaration_String_values.get(_parameters);
}
SimpleSet parameterDeclaration_String_value = getParameter().name().equals(name) ? getParameter() : ASTNode.emptySet();
if (state().inCircle()) {
parameterDeclaration_String_values.put(_parameters, parameterDeclaration_String_value);
parameterDeclaration_String_computed.put(_parameters, state().cycle());
} else {
parameterDeclaration_String_values.put(_parameters, parameterDeclaration_String_value);
parameterDeclaration_String_computed.put(_parameters, ASTState.NON_CYCLE);
}
return parameterDeclaration_String_value;
}
/**
* @attribute syn
* @aspect ExceptionHandling
* @declaredat /home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:279
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="ExceptionHandling", declaredAt="/home/jesper/git/extendj/java4/frontend/ExceptionHandling.jrag:279")
public boolean handles(TypeDecl exceptionType) {
{
CatchParameterDeclaration param = getParameter();
for (int i = 0; i < param.getNumTypeAccess(); ++i) {
TypeDecl type = param.getTypeAccess(i).type();
if (!type.isUnknown() && exceptionType.subtype(type)) {
return true;
}
}
return false;
}
}
/**
* @attribute syn
* @aspect MultiCatch
* @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:197
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="MultiCatch", declaredAt="/home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:197")
public Collection reachabilityProblems() {
{
Collection problems = new LinkedList();
CatchParameterDeclaration param = getParameter();
for (int i = 0; i < param.getNumTypeAccess(); ++i) {
TypeDecl type = param.getTypeAccess(i).type();
if (!reachableCatchClause(type)) {
problems.add(errorf("The exception type %s can not be caught by this multi-catch clause",
type.fullName()));
}
}
return problems;
}
}
/**
* @attribute inh
* @aspect MultiCatch
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:54
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.INH)
@ASTNodeAnnotation.Source(aspect="MultiCatch", declaredAt="/home/jesper/git/extendj/java7/backend/MultiCatch.jrag:54")
public int localNum() {
ASTState state = state();
if (localNum_computed == ASTState.NON_CYCLE || localNum_computed == state().cycle()) {
return localNum_value;
}
localNum_value = getParent().Define_localNum(this, null);
if (state().inCircle()) {
localNum_computed = state().cycle();
} else {
localNum_computed = ASTState.NON_CYCLE;
}
return localNum_value;
}
/** @apilevel internal */
private void localNum_reset() {
localNum_computed = null;
}
/** @apilevel internal */
protected ASTState.Cycle localNum_computed = null;
/** @apilevel internal */
protected int localNum_value;
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:44
* @apilevel internal
*/
public boolean Define_isMethodParameter(ASTNode _callerNode, ASTNode _childNode) {
if (getParameterNoTransform() != null && _callerNode == getParameter()) {
// @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:54
return false;
}
else {
return getParent().Define_isMethodParameter(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:44
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute isMethodParameter
*/
protected boolean canDefine_isMethodParameter(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:45
* @apilevel internal
*/
public boolean Define_isConstructorParameter(ASTNode _callerNode, ASTNode _childNode) {
if (getParameterNoTransform() != null && _callerNode == getParameter()) {
// @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:55
return false;
}
else {
return getParent().Define_isConstructorParameter(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:45
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute isConstructorParameter
*/
protected boolean canDefine_isConstructorParameter(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:46
* @apilevel internal
*/
public boolean Define_isExceptionHandlerParameter(ASTNode _callerNode, ASTNode _childNode) {
if (getParameterNoTransform() != null && _callerNode == getParameter()) {
// @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:56
return true;
}
else {
return getParent().Define_isExceptionHandlerParameter(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:46
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute isExceptionHandlerParameter
*/
protected boolean canDefine_isExceptionHandlerParameter(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:96
* @apilevel internal
*/
public SimpleSet Define_lookupVariable(ASTNode _callerNode, ASTNode _childNode, String name) {
if (getParameterNoTransform() != null && _callerNode == getParameter()) {
// @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:127
return parameterDeclaration(name);
}
else {
return super.Define_lookupVariable(_callerNode, _childNode, name);
}
}
/**
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:96
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute lookupVariable
*/
protected boolean canDefine_lookupVariable(ASTNode _callerNode, ASTNode _childNode, String name) {
return true;
}
/**
* @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/java7/frontend/MultiCatch.jrag:180
{
boolean anyReachable = false;
CatchParameterDeclaration param = getParameter();
for (int i = 0; i < param.getNumTypeAccess(); ++i) {
TypeDecl type = param.getTypeAccess(i).type();
if (!reachableCatchClause(type)) {
errorf("The exception type %s can not be caught by this multi-catch clause",
type.fullName());
} else {
anyReachable = true;
}
}
return anyReachable;
}
}
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/java4/frontend/Modifiers.jrag:434
* @apilevel internal
*/
public boolean Define_mayBeFinal(ASTNode _callerNode, ASTNode _childNode) {
if (getParameterNoTransform() != null && _callerNode == getParameter()) {
// @declaredat /home/jesper/git/extendj/java7/frontend/MultiCatch.jrag:321
return true;
}
else {
return getParent().Define_mayBeFinal(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/Modifiers.jrag:434
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute mayBeFinal
*/
protected boolean canDefine_mayBeFinal(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) {
if (getParameterNoTransform() != null && _callerNode == getParameter()) {
// @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:57
return localNum();
}
else if (getBlockNoTransform() != null && _callerNode == getBlock()) {
// @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:56
return localNum() + getParameter().type().variableSize();
}
else {
return getParent().Define_localNum(this, _callerNode);
}
}
/**
* @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/java7/frontend/MultiCatch.jrag:195
{
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/java7/frontend/PreciseRethrow.jrag:289
if (!getBlock().reachable() && reportUnreachable()) {
{
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 : reachabilityProblems()) {
collection.add(value);
}
if (!getBlock().reachable() && reportUnreachable()) {
collection.add(errorf("the exception %s is not thrown in the body of the try statement",
getParameter().type().fullName()));
}
}
}