package soot.JastAddJ;
import java.util.HashSet;import java.util.LinkedHashSet;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;
public abstract class AssignExpr extends Expr implements Cloneable {
public void flushCache() {
super.flushCache();
type_computed = false;
type_value = null;
}
public void flushCollectionCache() {
super.flushCollectionCache();
}
@SuppressWarnings({"unchecked", "cast"}) public AssignExpr clone() throws CloneNotSupportedException {
AssignExpr node = (AssignExpr)super.clone();
node.type_computed = false;
node.type_value = null;
node.in$Circle(false);
node.is$Final(false);
return node;
}
// Declared in DefiniteAssignment.jrag at line 464
// 16.2.2 9th bullet
protected boolean checkDUeverywhere(Variable v) {
if(getDest().isVariable() && getDest().varDecl() == v)
if(!getSource().isDAafter(v))
return false;
return super.checkDUeverywhere(v);
}
// Declared in NodeConstructors.jrag at line 94
public static Stmt asStmt(Expr left, Expr right) {
return new ExprStmt(new AssignSimpleExpr(left, right));
}
// Declared in PrettyPrint.jadd at line 240
// Assign Expression
public void toString(StringBuffer s) {
getDest().toString(s);
s.append(printOp());
getSource().toString(s);
}
// Declared in TypeCheck.jrag at line 52
public void typeCheck() {
if(!getDest().isVariable())
error("left hand side is not a variable");
else {
TypeDecl source = sourceType();
TypeDecl dest = getDest().type();
if(getSource().type().isPrimitive() && getDest().type().isPrimitive())
return;
error("can not assign " + getDest() + " of type " + getDest().type().typeName() +
" a value of type " + sourceType().typeName());
}
}
// Declared in Expressions.jrag at line 62
// compound assign expression
public soot.Value eval(Body b) {
TypeDecl dest = getDest().type();
TypeDecl source = getSource().type();
TypeDecl type;
if(dest.isNumericType() && source.isNumericType())
type = dest.binaryNumericPromotion(source);
else
type = dest;
Value lvalue = getDest().eval(b);
Value v = lvalue instanceof Local ? lvalue : (Value)lvalue.clone();
Value value = b.newTemp(dest.emitCastTo(b, v, type, this));
Value rvalue = source.emitCastTo(b, getSource(), type);
Value result = asImmediate(b, type.emitCastTo(b,
createAssignOp(b, value, rvalue),
dest,
getDest()
));
getDest().emitStore(b, lvalue, result, this);
return result;
}
// Declared in Expressions.jrag at line 129
// shift assign expression
public soot.Value emitShiftExpr(Body b) {
TypeDecl dest = getDest().type();
TypeDecl source = getSource().type();
TypeDecl type = dest.unaryNumericPromotion();
Value lvalue = getDest().eval(b);
Value v = lvalue instanceof Local ? lvalue : (Value)lvalue.clone();
Value value = b.newTemp(dest.emitCastTo(b, v, type, getDest()));
Value rvalue = source.emitCastTo(b, getSource(), typeInt());
Value result = asImmediate(b, type.emitCastTo(b,
createAssignOp(b, value, rvalue),
dest,
getDest()
));
getDest().emitStore(b, lvalue, result, this);
return result;
}
// Declared in Expressions.jrag at line 153
// create the operation for a compound assign expression
public soot.Value createAssignOp(Body b, soot.Value fst, soot.Value snd) {
throw new Error("Operation createAssignOp is not implemented for " + getClass().getName());
}
// Declared in java.ast at line 3
// Declared in java.ast line 99
public AssignExpr() {
super();
}
// Declared in java.ast at line 10
// Declared in java.ast line 99
public AssignExpr(Expr p0, Expr p1) {
setChild(p0, 0);
setChild(p1, 1);
}
// Declared in java.ast at line 15
protected int numChildren() {
return 2;
}
// Declared in java.ast at line 18
public boolean mayHaveRewrite() {
return false;
}
// Declared in java.ast at line 2
// Declared in java.ast line 99
public void setDest(Expr node) {
setChild(node, 0);
}
// Declared in java.ast at line 5
public Expr getDest() {
return (Expr)getChild(0);
}
// Declared in java.ast at line 9
public Expr getDestNoTransform() {
return (Expr)getChildNoTransform(0);
}
// Declared in java.ast at line 2
// Declared in java.ast line 99
public void setSource(Expr node) {
setChild(node, 1);
}
// Declared in java.ast at line 5
public Expr getSource() {
return (Expr)getChild(1);
}
// Declared in java.ast at line 9
public Expr getSourceNoTransform() {
return (Expr)getChildNoTransform(1);
}
// Declared in DefiniteAssignment.jrag at line 394
@SuppressWarnings({"unchecked", "cast"}) public boolean isDAafter(Variable v) {
ASTNode$State state = state();
boolean isDAafter_Variable_value = isDAafter_compute(v);
return isDAafter_Variable_value;
}
private boolean isDAafter_compute(Variable v) { return getSource().isDAafter(v); }
// Declared in DefiniteAssignment.jrag at line 398
@SuppressWarnings({"unchecked", "cast"}) public boolean isDAafterTrue(Variable v) {
ASTNode$State state = state();
boolean isDAafterTrue_Variable_value = isDAafterTrue_compute(v);
return isDAafterTrue_Variable_value;
}
private boolean isDAafterTrue_compute(Variable v) { return isDAafter(v) || isFalse(); }
// Declared in DefiniteAssignment.jrag at line 399
@SuppressWarnings({"unchecked", "cast"}) public boolean isDAafterFalse(Variable v) {
ASTNode$State state = state();
boolean isDAafterFalse_Variable_value = isDAafterFalse_compute(v);
return isDAafterFalse_Variable_value;
}
private boolean isDAafterFalse_compute(Variable v) { return isDAafter(v) || isTrue(); }
// Declared in DefiniteAssignment.jrag at line 827
@SuppressWarnings({"unchecked", "cast"}) public boolean isDUafter(Variable v) {
ASTNode$State state = state();
boolean isDUafter_Variable_value = isDUafter_compute(v);
return isDUafter_Variable_value;
}
private boolean isDUafter_compute(Variable v) { return getSource().isDUafter(v); }
// Declared in DefiniteAssignment.jrag at line 830
@SuppressWarnings({"unchecked", "cast"}) public boolean isDUafterTrue(Variable v) {
ASTNode$State state = state();
boolean isDUafterTrue_Variable_value = isDUafterTrue_compute(v);
return isDUafterTrue_Variable_value;
}
private boolean isDUafterTrue_compute(Variable v) { return isDUafter(v); }
// Declared in DefiniteAssignment.jrag at line 831
@SuppressWarnings({"unchecked", "cast"}) public boolean isDUafterFalse(Variable v) {
ASTNode$State state = state();
boolean isDUafterFalse_Variable_value = isDUafterFalse_compute(v);
return isDUafterFalse_Variable_value;
}
private boolean isDUafterFalse_compute(Variable v) { return isDUafter(v); }
// Declared in PrettyPrint.jadd at line 246
@SuppressWarnings({"unchecked", "cast"}) public String printOp() {
ASTNode$State state = state();
String printOp_value = printOp_compute();
return printOp_value;
}
private String printOp_compute() { return " = "; }
protected boolean type_computed = false;
protected TypeDecl type_value;
// Declared in TypeAnalysis.jrag at line 298
@SuppressWarnings({"unchecked", "cast"}) public TypeDecl type() {
if(type_computed) {
return type_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
type_value = type_compute();
if(isFinal && num == state().boundariesCrossed)
type_computed = true;
return type_value;
}
private TypeDecl type_compute() { return getDest().type(); }
// Declared in TypeCheck.jrag at line 109
@SuppressWarnings({"unchecked", "cast"}) public TypeDecl sourceType() {
ASTNode$State state = state();
TypeDecl sourceType_value = sourceType_compute();
return sourceType_value;
}
private TypeDecl sourceType_compute() { return getSource().type().isPrimitive() ? getSource().type() : unknownType(); }
// Declared in DefiniteAssignment.jrag at line 19
public boolean Define_boolean_isDest(ASTNode caller, ASTNode child) {
if(caller == getSourceNoTransform()) {
return false;
}
if(caller == getDestNoTransform()) {
return true;
}
return getParent().Define_boolean_isDest(this, caller);
}
// Declared in DefiniteAssignment.jrag at line 29
public boolean Define_boolean_isSource(ASTNode caller, ASTNode child) {
if(caller == getSourceNoTransform()) {
return true;
}
if(caller == getDestNoTransform()) {
return true;
}
return getParent().Define_boolean_isSource(this, caller);
}
// Declared in DefiniteAssignment.jrag at line 396
public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getDestNoTransform()) {
return isDAbefore(v);
}
if(caller == getSourceNoTransform()) {
return getDest().isDAafter(v);
}
return getParent().Define_boolean_isDAbefore(this, caller, v);
}
// Declared in DefiniteAssignment.jrag at line 829
public boolean Define_boolean_isDUbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getDestNoTransform()) {
return isDUbefore(v);
}
if(caller == getSourceNoTransform()) {
return getDest().isDUafter(v);
}
return getParent().Define_boolean_isDUbefore(this, caller, v);
}
// Declared in SyntacticClassification.jrag at line 99
public NameType Define_NameType_nameType(ASTNode caller, ASTNode child) {
if(caller == getDestNoTransform()) {
return NameType.EXPRESSION_NAME;
}
return getParent().Define_NameType_nameType(this, caller);
}
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}