soot.JastAddJ.ReturnStmt Maven / Gradle / Ivy
/* This file was generated with JastAdd2 (http://jastadd.org) version R20130212 (r1031) */
package soot.JastAddJ;
import java.util.HashSet;
import java.io.File;
import java.util.*;
import beaver.*;
import java.util.ArrayList;
import java.util.zip.*;
import java.io.*;
import java.io.FileNotFoundException;
import java.util.Collection;
import soot.*;
import soot.util.*;
import soot.jimple.*;
import soot.coffi.ClassFile;
import soot.coffi.method_info;
import soot.coffi.CONSTANT_Utf8_info;
import soot.tagkit.SourceFileTag;
import soot.coffi.CoffiMethodSource;
/**
* @production ReturnStmt : {@link Stmt} ::= [Result:{@link Expr}];
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:214
*/
public class ReturnStmt extends Stmt implements Cloneable {
/**
* @apilevel low-level
*/
public void flushCache() {
super.flushCache();
finallyList_computed = false;
finallyList_value = null;
isDAafter_Variable_values = null;
isDUafterReachedFinallyBlocks_Variable_values = null;
isDAafterReachedFinallyBlocks_Variable_values = null;
isDUafter_Variable_values = null;
canCompleteNormally_computed = false;
inSynchronizedBlock_computed = false;
}
/**
* @apilevel internal
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public ReturnStmt clone() throws CloneNotSupportedException {
ReturnStmt node = (ReturnStmt)super.clone();
node.finallyList_computed = false;
node.finallyList_value = null;
node.isDAafter_Variable_values = null;
node.isDUafterReachedFinallyBlocks_Variable_values = null;
node.isDAafterReachedFinallyBlocks_Variable_values = null;
node.isDUafter_Variable_values = null;
node.canCompleteNormally_computed = false;
node.inSynchronizedBlock_computed = false;
node.in$Circle(false);
node.is$Final(false);
return node;
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public ReturnStmt copy() {
try {
ReturnStmt node = (ReturnStmt) 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
*/
@SuppressWarnings({"unchecked", "cast"})
public ReturnStmt fullCopy() {
ReturnStmt tree = (ReturnStmt) copy();
if (children != null) {
for (int i = 0; i < children.length; ++i) {
ASTNode child = (ASTNode) children[i];
if(child != null) {
child = child.fullCopy();
tree.setChild(child, i);
}
}
}
return tree;
}
/**
* @ast method
* @aspect BranchTarget
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/BranchTarget.jrag:54
*/
public void collectBranches(Collection c) {
c.add(this);
}
/**
* @ast method
* @aspect NodeConstructors
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/NodeConstructors.jrag:62
*/
public ReturnStmt(Expr expr) {
this(new Opt(expr));
}
/**
* @ast method
* @aspect PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:683
*/
public void toString(StringBuffer s) {
s.append(indent());
s.append("return ");
if(hasResult()) {
getResult().toString(s);
}
s.append(";");
}
/**
* @ast method
* @aspect TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag:408
*/
public void typeCheck() {
if(hasResult() && !returnType().isVoid()) {
if(!getResult().type().assignConversionTo(returnType(), getResult()))
error("return value must be an instance of " + returnType().typeName() + " which " + getResult().type().typeName() + " is not");
}
// 8.4.5 8.8.5
if(returnType().isVoid() && hasResult())
error("return stmt may not have an expression in void methods");
// 8.4.5
if(!returnType().isVoid() && !hasResult())
error("return stmt must have an expression in non void methods");
if(enclosingBodyDecl() instanceof InstanceInitializer || enclosingBodyDecl() instanceof StaticInitializer)
error("Initializers may not return");
}
/**
* @ast method
* @aspect Statements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Statements.jrag:269
*/
public void jimplify2(Body b) {
if(hasResult()) {
TypeDecl type = returnType();
if(type.isVoid()) {
throw new Error("Can not return a value from a void body");
}
Local local = asLocal(b,
getResult().type().emitCastTo(b,
getResult().eval(b),
type,
getResult()
),
type.getSootType()
);
ArrayList list = exceptionRanges();
if(!inSynchronizedBlock())
endExceptionRange(b, list);
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost stmt = (FinallyHost)iter.next();
stmt.emitFinallyCode(b);
}
b.setLine(this);
if(inSynchronizedBlock())
endExceptionRange(b, list);
b.add(b.newReturnStmt(local, this));
beginExceptionRange(b, list);
}
else {
ArrayList list = exceptionRanges();
if(!inSynchronizedBlock())
endExceptionRange(b, list);
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost stmt = (FinallyHost)iter.next();
stmt.emitFinallyCode(b);
}
b.setLine(this);
if(inSynchronizedBlock())
endExceptionRange(b, list);
b.add(b.newReturnVoidStmt(this));
beginExceptionRange(b, list);
}
}
/**
* @ast method
*
*/
public ReturnStmt() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @ast method
*
*/
public void init$Children() {
children = new ASTNode[1];
setChild(new Opt(), 0);
}
/**
* @ast method
*
*/
public ReturnStmt(Opt p0) {
setChild(p0, 0);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 1;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return false;
}
/**
* Replaces the optional node for the Result child. This is the {@code Opt} node containing the child Result, not the actual child!
* @param opt The new node to be used as the optional node for the Result child.
* @apilevel low-level
* @ast method
*
*/
public void setResultOpt(Opt opt) {
setChild(opt, 0);
}
/**
* Check whether the optional Result child exists.
* @return {@code true} if the optional Result child exists, {@code false} if it does not.
* @apilevel high-level
* @ast method
*
*/
public boolean hasResult() {
return getResultOpt().getNumChild() != 0;
}
/**
* Retrieves the (optional) Result child.
* @return The Result child, if it exists. Returns {@code null} otherwise.
* @apilevel low-level
* @ast method
*
*/
@SuppressWarnings({"unchecked", "cast"})
public Expr getResult() {
return (Expr)getResultOpt().getChild(0);
}
/**
* Replaces the (optional) Result child.
* @param node The new node to be used as the Result child.
* @apilevel high-level
* @ast method
*
*/
public void setResult(Expr node) {
getResultOpt().setChild(node, 0);
}
/**
* @apilevel low-level
* @ast method
*
*/
@SuppressWarnings({"unchecked", "cast"})
public Opt getResultOpt() {
return (Opt)getChild(0);
}
/**
* Retrieves the optional node for child Result. This is the {@code Opt} node containing the child Result, not the actual child!
* This method does not invoke AST transformations.
* @return The optional node for child Result.
* @apilevel low-level
* @ast method
*
*/
@SuppressWarnings({"unchecked", "cast"})
public Opt getResultOptNoTransform() {
return (Opt)getChildNoTransform(0);
}
/**
* @apilevel internal
*/
protected boolean finallyList_computed = false;
/**
* @apilevel internal
*/
protected ArrayList finallyList_value;
/**
* @attribute syn
* @aspect BranchTarget
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/BranchTarget.jrag:185
*/
@SuppressWarnings({"unchecked", "cast"})
public ArrayList finallyList() {
if(finallyList_computed) {
return finallyList_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
finallyList_value = finallyList_compute();
if(isFinal && num == state().boundariesCrossed) finallyList_computed = true;
return finallyList_value;
}
/**
* @apilevel internal
*/
private ArrayList finallyList_compute() {
ArrayList list = new ArrayList();
collectFinally(this, list);
return list;
}
protected java.util.Map isDAafter_Variable_values;
/**
* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:649
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isDAafter(Variable v) {
Object _parameters = v;
if(isDAafter_Variable_values == null) isDAafter_Variable_values = new java.util.HashMap(4);
if(isDAafter_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDAafter_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDAafter_Variable_value = isDAafter_compute(v);
if(isFinal && num == state().boundariesCrossed) isDAafter_Variable_values.put(_parameters, Boolean.valueOf(isDAafter_Variable_value));
return isDAafter_Variable_value;
}
/**
* @apilevel internal
*/
private boolean isDAafter_compute(Variable v) { return true; }
protected java.util.Map isDUafterReachedFinallyBlocks_Variable_values;
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:942
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isDUafterReachedFinallyBlocks(Variable v) {
Object _parameters = v;
if(isDUafterReachedFinallyBlocks_Variable_values == null) isDUafterReachedFinallyBlocks_Variable_values = new java.util.HashMap(4);
if(isDUafterReachedFinallyBlocks_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDUafterReachedFinallyBlocks_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDUafterReachedFinallyBlocks_Variable_value = isDUafterReachedFinallyBlocks_compute(v);
if(isFinal && num == state().boundariesCrossed) isDUafterReachedFinallyBlocks_Variable_values.put(_parameters, Boolean.valueOf(isDUafterReachedFinallyBlocks_Variable_value));
return isDUafterReachedFinallyBlocks_Variable_value;
}
/**
* @apilevel internal
*/
private boolean isDUafterReachedFinallyBlocks_compute(Variable v) {
if(!isDUbefore(v) && finallyList().isEmpty())
return false;
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost f = (FinallyHost)iter.next();
if(!f.isDUafterFinally(v))
return false;
}
return true;
}
protected java.util.Map isDAafterReachedFinallyBlocks_Variable_values;
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:978
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isDAafterReachedFinallyBlocks(Variable v) {
Object _parameters = v;
if(isDAafterReachedFinallyBlocks_Variable_values == null) isDAafterReachedFinallyBlocks_Variable_values = new java.util.HashMap(4);
if(isDAafterReachedFinallyBlocks_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDAafterReachedFinallyBlocks_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDAafterReachedFinallyBlocks_Variable_value = isDAafterReachedFinallyBlocks_compute(v);
if(isFinal && num == state().boundariesCrossed) isDAafterReachedFinallyBlocks_Variable_values.put(_parameters, Boolean.valueOf(isDAafterReachedFinallyBlocks_Variable_value));
return isDAafterReachedFinallyBlocks_Variable_value;
}
/**
* @apilevel internal
*/
private boolean isDAafterReachedFinallyBlocks_compute(Variable v) {
if(hasResult() ? getResult().isDAafter(v) : isDAbefore(v))
return true;
if(finallyList().isEmpty())
return false;
for(Iterator iter = finallyList().iterator(); iter.hasNext(); ) {
FinallyHost f = (FinallyHost)iter.next();
if(!f.isDAafterFinally(v))
return false;
}
return true;
}
protected java.util.Map isDUafter_Variable_values;
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:1172
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isDUafter(Variable v) {
Object _parameters = v;
if(isDUafter_Variable_values == null) isDUafter_Variable_values = new java.util.HashMap(4);
if(isDUafter_Variable_values.containsKey(_parameters)) {
return ((Boolean)isDUafter_Variable_values.get(_parameters)).booleanValue();
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
boolean isDUafter_Variable_value = isDUafter_compute(v);
if(isFinal && num == state().boundariesCrossed) isDUafter_Variable_values.put(_parameters, Boolean.valueOf(isDUafter_Variable_value));
return isDUafter_Variable_value;
}
/**
* @apilevel internal
*/
private boolean isDUafter_compute(Variable v) { return true; }
/**
* @apilevel internal
*/
protected boolean canCompleteNormally_computed = false;
/**
* @apilevel internal
*/
protected boolean canCompleteNormally_value;
/**
* @attribute syn
* @aspect UnreachableStatements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/UnreachableStatements.jrag:107
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean canCompleteNormally() {
if(canCompleteNormally_computed) {
return canCompleteNormally_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
canCompleteNormally_value = canCompleteNormally_compute();
if(isFinal && num == state().boundariesCrossed) canCompleteNormally_computed = true;
return canCompleteNormally_value;
}
/**
* @apilevel internal
*/
private boolean canCompleteNormally_compute() { return false; }
/**
* @apilevel internal
*/
protected boolean inSynchronizedBlock_computed = false;
/**
* @apilevel internal
*/
protected boolean inSynchronizedBlock_value;
/**
* @attribute syn
* @aspect Statements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Statements.jrag:249
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean inSynchronizedBlock() {
if(inSynchronizedBlock_computed) {
return inSynchronizedBlock_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
inSynchronizedBlock_value = inSynchronizedBlock_compute();
if(isFinal && num == state().boundariesCrossed) inSynchronizedBlock_computed = true;
return inSynchronizedBlock_value;
}
/**
* @apilevel internal
*/
private boolean inSynchronizedBlock_compute() { return !finallyList().isEmpty() && finallyList().iterator().next() instanceof SynchronizedStmt; }
/**
* @attribute syn
* @aspect PreciseRethrow
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/PreciseRethrow.jrag:55
*/
public boolean modifiedInScope(Variable var) {
ASTNode$State state = state();
try { return false; }
finally {
}
}
/**
* @attribute inh
* @aspect TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag:403
*/
@SuppressWarnings({"unchecked", "cast"})
public TypeDecl returnType() {
ASTNode$State state = state();
TypeDecl returnType_value = getParent().Define_TypeDecl_returnType(this, null);
return returnType_value;
}
/**
* @attribute inh
* @aspect Statements
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Statements.jrag:458
*/
@SuppressWarnings({"unchecked", "cast"})
public ArrayList exceptionRanges() {
ASTNode$State state = state();
ArrayList exceptionRanges_value = getParent().Define_ArrayList_exceptionRanges(this, null);
return exceptionRanges_value;
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:652
* @apilevel internal
*/
public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getResultOptNoTransform()) {
return isDAbefore(v);
}
else { return getParent().Define_boolean_isDAbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:1175
* @apilevel internal
*/
public boolean Define_boolean_isDUbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getResultOptNoTransform()) {
return isDUbefore(v);
}
else { return getParent().Define_boolean_isDUbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.5Frontend/GenericMethodsInference.jrag:38
* @apilevel internal
*/
public TypeDecl Define_TypeDecl_assignConvertedType(ASTNode caller, ASTNode child) {
if(caller == getResultOptNoTransform()) {
return returnType();
}
else { return getParent().Define_TypeDecl_assignConvertedType(this, caller);
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}