soot.JastAddJ.ConditionalExpr 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 ConditionalExpr : {@link Expr} ::= Condition:{@link Expr} TrueExpr:{@link Expr} FalseExpr:{@link Expr};
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:188
*/
public class ConditionalExpr extends Expr implements Cloneable {
/**
* @apilevel low-level
*/
public void flushCache() {
super.flushCache();
constant_computed = false;
constant_value = null;
isConstant_computed = false;
booleanOperator_computed = false;
type_computed = false;
type_value = null;
else_branch_label_computed = false;
else_branch_label_value = null;
then_branch_label_computed = false;
then_branch_label_value = null;
}
/**
* @apilevel internal
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public ConditionalExpr clone() throws CloneNotSupportedException {
ConditionalExpr node = (ConditionalExpr)super.clone();
node.constant_computed = false;
node.constant_value = null;
node.isConstant_computed = false;
node.booleanOperator_computed = false;
node.type_computed = false;
node.type_value = null;
node.else_branch_label_computed = false;
node.else_branch_label_value = null;
node.then_branch_label_computed = false;
node.then_branch_label_value = null;
node.in$Circle(false);
node.is$Final(false);
return node;
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public ConditionalExpr copy() {
try {
ConditionalExpr node = (ConditionalExpr) 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 ConditionalExpr fullCopy() {
ConditionalExpr tree = (ConditionalExpr) 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 PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:427
*/
public void toString(StringBuffer s) {
getCondition().toString(s);
s.append(" ? ");
getTrueExpr().toString(s);
s.append(" : ");
getFalseExpr().toString(s);
}
/**
* @ast method
* @aspect TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag:562
*/
public void typeCheck() {
if(!getCondition().type().isBoolean())
error("The first operand of a conditional expression must be a boolean");
if(type().isUnknown() && !getTrueExpr().type().isUnknown() && !getFalseExpr().type().isUnknown()) {
error("The types of the second and third operand in this conditional expression do not match");
}
}
/**
* @ast method
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:119
*/
public soot.Value eval(Body b) {
b.setLine(this);
if(type().isBoolean())
return emitBooleanCondition(b);
else {
Local result = b.newTemp(type().getSootType());
soot.jimple.Stmt endBranch = newLabel();
getCondition().emitEvalBranch(b);
if(getCondition().canBeTrue()) {
b.addLabel(then_branch_label());
b.add(b.newAssignStmt(result,
getTrueExpr().type().emitCastTo(b,
getTrueExpr(),
type()
),
this
));
if(getCondition().canBeFalse()) {
b.add(b.newGotoStmt(endBranch, this));
}
}
if(getCondition().canBeFalse()) {
b.addLabel(else_branch_label());
b.add(b.newAssignStmt(result,
getFalseExpr().type().emitCastTo(b,
getFalseExpr(),
type()
),
this
));
}
b.addLabel(endBranch);
return result;
}
}
/**
* @ast method
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:209
*/
public void emitEvalBranch(Body b) {
b.setLine(this);
soot.jimple.Stmt endBranch = newLabel();
getCondition().emitEvalBranch(b);
b.addLabel(then_branch_label());
if(getCondition().canBeTrue()) {
getTrueExpr().emitEvalBranch(b);
b.add(b.newGotoStmt(true_label(), this));
}
b.addLabel(else_branch_label());
if(getCondition().canBeFalse()) {
getFalseExpr().emitEvalBranch(b);
b.add(b.newGotoStmt(true_label(), this));
}
}
/**
* @ast method
*
*/
public ConditionalExpr() {
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[3];
}
/**
* @ast method
*
*/
public ConditionalExpr(Expr p0, Expr p1, Expr p2) {
setChild(p0, 0);
setChild(p1, 1);
setChild(p2, 2);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 3;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return false;
}
/**
* Replaces the Condition child.
* @param node The new node to replace the Condition child.
* @apilevel high-level
* @ast method
*
*/
public void setCondition(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Condition child.
* @return The current node used as the Condition child.
* @apilevel high-level
* @ast method
*
*/
public Expr getCondition() {
return (Expr)getChild(0);
}
/**
* Retrieves the Condition child.
* This method does not invoke AST transformations.
* @return The current node used as the Condition child.
* @apilevel low-level
* @ast method
*
*/
public Expr getConditionNoTransform() {
return (Expr)getChildNoTransform(0);
}
/**
* Replaces the TrueExpr child.
* @param node The new node to replace the TrueExpr child.
* @apilevel high-level
* @ast method
*
*/
public void setTrueExpr(Expr node) {
setChild(node, 1);
}
/**
* Retrieves the TrueExpr child.
* @return The current node used as the TrueExpr child.
* @apilevel high-level
* @ast method
*
*/
public Expr getTrueExpr() {
return (Expr)getChild(1);
}
/**
* Retrieves the TrueExpr child.
* This method does not invoke AST transformations.
* @return The current node used as the TrueExpr child.
* @apilevel low-level
* @ast method
*
*/
public Expr getTrueExprNoTransform() {
return (Expr)getChildNoTransform(1);
}
/**
* Replaces the FalseExpr child.
* @param node The new node to replace the FalseExpr child.
* @apilevel high-level
* @ast method
*
*/
public void setFalseExpr(Expr node) {
setChild(node, 2);
}
/**
* Retrieves the FalseExpr child.
* @return The current node used as the FalseExpr child.
* @apilevel high-level
* @ast method
*
*/
public Expr getFalseExpr() {
return (Expr)getChild(2);
}
/**
* Retrieves the FalseExpr child.
* This method does not invoke AST transformations.
* @return The current node used as the FalseExpr child.
* @apilevel low-level
* @ast method
*
*/
public Expr getFalseExprNoTransform() {
return (Expr)getChildNoTransform(2);
}
/**
* @ast method
* @aspect TypeAnalysis
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeAnalysis.jrag:364
*/
private TypeDecl refined_TypeAnalysis_ConditionalExpr_type()
{
TypeDecl trueType = getTrueExpr().type();
TypeDecl falseType = getFalseExpr().type();
if(trueType == falseType) return trueType;
if(trueType.isNumericType() && falseType.isNumericType()) {
if(trueType.isByte() && falseType.isShort()) return falseType;
if(trueType.isShort() && falseType.isByte()) return trueType;
if((trueType.isByte() || trueType.isShort() || trueType.isChar()) &&
falseType.isInt() && getFalseExpr().isConstant() && getFalseExpr().representableIn(trueType))
return trueType;
if((falseType.isByte() || falseType.isShort() || falseType.isChar()) &&
trueType.isInt() && getTrueExpr().isConstant() && getTrueExpr().representableIn(falseType))
return falseType;
return trueType.binaryNumericPromotion(falseType);
}
else if(trueType.isBoolean() && falseType.isBoolean()) {
return trueType;
}
else if(trueType.isReferenceType() && falseType.isNull()) {
return trueType;
}
else if(trueType.isNull() && falseType.isReferenceType()) {
return falseType;
}
else if(trueType.isReferenceType() && falseType.isReferenceType()) {
if(trueType.assignConversionTo(falseType, null))
return falseType;
if(falseType.assignConversionTo(trueType, null))
return trueType;
return unknownType();
}
else
return unknownType();
}
/**
* @ast method
* @aspect AutoBoxing
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.5Frontend/AutoBoxing.jrag:181
*/
private TypeDecl refined_AutoBoxing_ConditionalExpr_type()
{
TypeDecl trueType = getTrueExpr().type();
TypeDecl falseType = getFalseExpr().type();
if(trueType.isBoolean() && falseType.isBoolean()) {
if(trueType == falseType)
return trueType;
if(trueType.isReferenceType())
return trueType.unboxed();
return trueType;
}
return refined_TypeAnalysis_ConditionalExpr_type();
}
/**
* @apilevel internal
*/
protected boolean constant_computed = false;
/**
* @apilevel internal
*/
protected Constant constant_value;
/**
* @attribute syn
* @aspect ConstantExpression
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/ConstantExpression.jrag:125
*/
@SuppressWarnings({"unchecked", "cast"})
public Constant constant() {
if(constant_computed) {
return constant_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
constant_value = constant_compute();
if(isFinal && num == state().boundariesCrossed) constant_computed = true;
return constant_value;
}
/**
* @apilevel internal
*/
private Constant constant_compute() { return type().questionColon(getCondition().constant(), getTrueExpr().constant(),getFalseExpr().constant()); }
/**
* @apilevel internal
*/
protected boolean isConstant_computed = false;
/**
* @apilevel internal
*/
protected boolean isConstant_value;
/**
* @attribute syn
* @aspect ConstantExpression
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/ConstantExpression.jrag:347
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean isConstant() {
if(isConstant_computed) {
return isConstant_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
isConstant_value = isConstant_compute();
if(isFinal && num == state().boundariesCrossed) isConstant_computed = true;
return isConstant_value;
}
/**
* @apilevel internal
*/
private boolean isConstant_compute() { return getCondition().isConstant() && getTrueExpr().isConstant() && getFalseExpr().isConstant(); }
/**
* @apilevel internal
*/
protected boolean booleanOperator_computed = false;
/**
* @apilevel internal
*/
protected boolean booleanOperator_value;
/**
* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:230
*/
@SuppressWarnings({"unchecked", "cast"})
public boolean booleanOperator() {
if(booleanOperator_computed) {
return booleanOperator_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
booleanOperator_value = booleanOperator_compute();
if(isFinal && num == state().boundariesCrossed) booleanOperator_computed = true;
return booleanOperator_value;
}
/**
* @apilevel internal
*/
private boolean booleanOperator_compute() { return getTrueExpr().type().isBoolean() && getFalseExpr().type().isBoolean(); }
/*eq Stmt.isDAafter(Variable v) {
//System.out.println("### isDAafter reached in " + getClass().getName());
//throw new NullPointerException();
throw new Error("Can not compute isDAafter for " + getClass().getName() + " at " + errorPrefix());
}* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:332
*/
public boolean isDAafterTrue(Variable v) {
ASTNode$State state = state();
try { return (getTrueExpr().isDAafterTrue(v) && getFalseExpr().isDAafterTrue(v)) || isFalse(); }
finally {
}
}
/**
* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:333
*/
public boolean isDAafterFalse(Variable v) {
ASTNode$State state = state();
try { return (getTrueExpr().isDAafterFalse(v) && getFalseExpr().isDAafterFalse(v)) || isTrue(); }
finally {
}
}
/**
* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:235
*/
public boolean isDAafter(Variable v) {
ASTNode$State state = state();
try { return booleanOperator() ? isDAafterTrue(v) && isDAafterFalse(v) : getTrueExpr().isDAafter(v) && getFalseExpr().isDAafter(v); }
finally {
}
}
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:702
*/
public boolean isDUafterTrue(Variable v) {
ASTNode$State state = state();
try { return getTrueExpr().isDUafterTrue(v) && getFalseExpr().isDUafterTrue(v); }
finally {
}
}
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:703
*/
public boolean isDUafterFalse(Variable v) {
ASTNode$State state = state();
try { return getTrueExpr().isDUafterFalse(v) && getFalseExpr().isDUafterFalse(v); }
finally {
}
}
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:694
*/
public boolean isDUafter(Variable v) {
ASTNode$State state = state();
try { return booleanOperator() ? isDUafterTrue(v) && isDUafterFalse(v) : getTrueExpr().isDUafter(v) && getFalseExpr().isDUafter(v); }
finally {
}
}
/**
* @apilevel internal
*/
protected boolean type_computed = false;
/**
* @apilevel internal
*/
protected TypeDecl type_value;
/**
* @attribute syn
* @aspect Generics
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.5Frontend/Generics.jrag:129
*/
@SuppressWarnings({"unchecked", "cast"})
public TypeDecl type() {
if(type_computed) {
return type_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
type_value = type_compute();
if(isFinal && num == state().boundariesCrossed) type_computed = true;
return type_value;
}
/**
* @apilevel internal
*/
private TypeDecl type_compute() {
TypeDecl type = refined_AutoBoxing_ConditionalExpr_type();
TypeDecl trueType = getTrueExpr().type();
TypeDecl falseType = getFalseExpr().type();
if(type.isUnknown()) {
if(!trueType.isReferenceType() && !trueType.boxed().isUnknown())
trueType = trueType.boxed();
if(!falseType.isReferenceType() && !falseType.boxed().isUnknown())
falseType = falseType.boxed();
ArrayList list = new ArrayList();
list.add(trueType);
list.add(falseType);
return type.lookupLUBType(list);
}
return type;
}
/**
* @attribute syn
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:21
*/
public boolean definesLabel() {
ASTNode$State state = state();
try { return true; }
finally {
}
}
/**
* @attribute syn
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:82
*/
public boolean canBeTrue() {
ASTNode$State state = state();
try { return type().isBoolean() && (getTrueExpr().canBeTrue() && getFalseExpr().canBeTrue()
|| getCondition().isTrue() && getTrueExpr().canBeTrue()
|| getCondition().isFalse() && getFalseExpr().canBeTrue()); }
finally {
}
}
/**
* @attribute syn
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:92
*/
public boolean canBeFalse() {
ASTNode$State state = state();
try { return type().isBoolean() && (getTrueExpr().canBeFalse() && getFalseExpr().canBeFalse()
|| getCondition().isTrue() && getTrueExpr().canBeFalse()
|| getCondition().isFalse() && getFalseExpr().canBeFalse()); }
finally {
}
}
/**
* @apilevel internal
*/
protected boolean else_branch_label_computed = false;
/**
* @apilevel internal
*/
protected soot.jimple.Stmt else_branch_label_value;
/**
* @attribute syn
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:155
*/
@SuppressWarnings({"unchecked", "cast"})
public soot.jimple.Stmt else_branch_label() {
if(else_branch_label_computed) {
return else_branch_label_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
else_branch_label_value = else_branch_label_compute();
if(isFinal && num == state().boundariesCrossed) else_branch_label_computed = true;
return else_branch_label_value;
}
/**
* @apilevel internal
*/
private soot.jimple.Stmt else_branch_label_compute() { return newLabel(); }
/**
* @apilevel internal
*/
protected boolean then_branch_label_computed = false;
/**
* @apilevel internal
*/
protected soot.jimple.Stmt then_branch_label_value;
/**
* @attribute syn
* @aspect BooleanExpressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:156
*/
@SuppressWarnings({"unchecked", "cast"})
public soot.jimple.Stmt then_branch_label() {
if(then_branch_label_computed) {
return then_branch_label_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
then_branch_label_value = then_branch_label_compute();
if(isFinal && num == state().boundariesCrossed) then_branch_label_computed = true;
return then_branch_label_value;
}
/**
* @apilevel internal
*/
private soot.jimple.Stmt then_branch_label_compute() { return newLabel(); }
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:387
* @apilevel internal
*/
public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getFalseExprNoTransform()) {
return getCondition().isDAafterFalse(v);
}
else if(caller == getTrueExprNoTransform()) {
return getCondition().isDAafterTrue(v);
}
else if(caller == getConditionNoTransform()) {
return isDAbefore(v);
}
else { return getParent().Define_boolean_isDAbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:823
* @apilevel internal
*/
public boolean Define_boolean_isDUbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getFalseExprNoTransform()) {
return getCondition().isDUafterFalse(v);
}
else if(caller == getTrueExprNoTransform()) {
return getCondition().isDUafterTrue(v);
}
else if(caller == getConditionNoTransform()) {
return isDUbefore(v);
}
else { return getParent().Define_boolean_isDUbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:64
* @apilevel internal
*/
public soot.jimple.Stmt Define_soot_jimple_Stmt_condition_false_label(ASTNode caller, ASTNode child) {
if(caller == getFalseExprNoTransform()) {
return false_label();
}
else if(caller == getTrueExprNoTransform()) {
return false_label();
}
else if(caller == getConditionNoTransform()) {
return else_branch_label();
}
else { return getParent().Define_soot_jimple_Stmt_condition_false_label(this, caller);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/BooleanExpressions.jrag:65
* @apilevel internal
*/
public soot.jimple.Stmt Define_soot_jimple_Stmt_condition_true_label(ASTNode caller, ASTNode child) {
if(caller == getFalseExprNoTransform()) {
return true_label();
}
else if(caller == getTrueExprNoTransform()) {
return true_label();
}
else if(caller == getConditionNoTransform()) {
return then_branch_label();
}
else { return getParent().Define_soot_jimple_Stmt_condition_true_label(this, caller);
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}