soot.JastAddJ.AssignExpr 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 AssignExpr : {@link Expr} ::= Dest:{@link Expr} Source:{@link Expr};
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:106
*/
public abstract class AssignExpr extends Expr implements Cloneable {
/**
* @apilevel low-level
*/
public void flushCache() {
super.flushCache();
type_computed = false;
type_value = null;
}
/**
* @apilevel internal
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/**
* @apilevel internal
*/
@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;
}
/**
* @ast method
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:463
*/
protected boolean checkDUeverywhere(Variable v) {
if(getDest().isVariable() && getDest().varDecl() == v)
if(!getSource().isDAafter(v))
return false;
return super.checkDUeverywhere(v);
}
/**
* @ast method
* @aspect NodeConstructors
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/NodeConstructors.jrag:94
*/
public static Stmt asStmt(Expr left, Expr right) {
return new ExprStmt(new AssignSimpleExpr(left, right));
}
/**
* @ast method
* @aspect PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:241
*/
public void toString(StringBuffer s) {
getDest().toString(s);
s.append(printOp());
getSource().toString(s);
}
/**
* @ast method
* @aspect TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag: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());
}
}
/**
* @ast method
* @aspect Expressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:62
*/
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;
}
/**
* @ast method
* @aspect Expressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:129
*/
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;
}
/**
* @ast method
* @aspect Expressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:153
*/
public soot.Value createAssignOp(Body b, soot.Value fst, soot.Value snd) {
throw new Error("Operation createAssignOp is not implemented for " + getClass().getName());
}
/**
* @ast method
*
*/
public AssignExpr() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @ast method
*
*/
public void init$Children() {
children = new ASTNode[2];
}
/**
* @ast method
*
*/
public AssignExpr(Expr p0, Expr p1) {
setChild(p0, 0);
setChild(p1, 1);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 2;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return false;
}
/**
* Replaces the Dest child.
* @param node The new node to replace the Dest child.
* @apilevel high-level
* @ast method
*
*/
public void setDest(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Dest child.
* @return The current node used as the Dest child.
* @apilevel high-level
* @ast method
*
*/
public Expr getDest() {
return (Expr)getChild(0);
}
/**
* Retrieves the Dest child.
* This method does not invoke AST transformations.
* @return The current node used as the Dest child.
* @apilevel low-level
* @ast method
*
*/
public Expr getDestNoTransform() {
return (Expr)getChildNoTransform(0);
}
/**
* Replaces the Source child.
* @param node The new node to replace the Source child.
* @apilevel high-level
* @ast method
*
*/
public void setSource(Expr node) {
setChild(node, 1);
}
/**
* Retrieves the Source child.
* @return The current node used as the Source child.
* @apilevel high-level
* @ast method
*
*/
public Expr getSource() {
return (Expr)getChild(1);
}
/**
* Retrieves the Source child.
* This method does not invoke AST transformations.
* @return The current node used as the Source child.
* @apilevel low-level
* @ast method
*
*/
public Expr getSourceNoTransform() {
return (Expr)getChildNoTransform(1);
}
/**
* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:235
*/
public boolean isDAafter(Variable v) {
ASTNode$State state = state();
try { return (getDest().isVariable() && getDest().varDecl() == v) || getSource().isDAafter(v); }
finally {
}
}
/*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$State state = state();
try { return isDAafter(v) || isFalse(); }
finally {
}
}
/**
* @attribute syn
* @aspect DA
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:333
*/
public boolean isDAafterFalse(Variable v) {
ASTNode$State state = state();
try { return isDAafter(v) || isTrue(); }
finally {
}
}
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:694
*/
public boolean isDUafter(Variable v) {
ASTNode$State state = state();
try { return getSource().isDUafter(v); }
finally {
}
}
/**
* @attribute syn
* @aspect DU
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:702
*/
public boolean isDUafterTrue(Variable v) {
ASTNode$State state = state();
try { return isDUafter(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$State state = state();
try { return isDUafter(v); }
finally {
}
}
/**
* @attribute syn
* @aspect PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:247
*/
public String printOp() {
ASTNode$State state = state();
try { return " = "; }
finally {
}
}
/**
* @apilevel internal
*/
protected boolean type_computed = false;
/**
* @apilevel internal
*/
protected TypeDecl type_value;
/**
* @attribute syn
* @aspect TypeAnalysis
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeAnalysis.jrag: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;
}
/**
* @apilevel internal
*/
private TypeDecl type_compute() { return getDest().type(); }
/**
* @attribute syn
* @aspect TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag:109
*/
public TypeDecl sourceType() {
ASTNode$State state = state();
try { return getSource().type().isPrimitive() ? getSource().type() : unknownType(); }
finally {
}
}
/**
* @attribute syn
* @aspect PreciseRethrow
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/PreciseRethrow.jrag:111
*/
public boolean modifiedInScope(Variable var) {
ASTNode$State state = state();
try { return getDest().isVariable(var); }
finally {
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:19
* @apilevel internal
*/
public boolean Define_boolean_isDest(ASTNode caller, ASTNode child) {
if(caller == getSourceNoTransform()) {
return false;
}
else if(caller == getDestNoTransform()) {
return true;
}
else { return getParent().Define_boolean_isDest(this, caller);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:29
* @apilevel internal
*/
public boolean Define_boolean_isSource(ASTNode caller, ASTNode child) {
if(caller == getSourceNoTransform()) {
return true;
}
else if(caller == getDestNoTransform()) {
return true;
}
else { return getParent().Define_boolean_isSource(this, caller);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:392
* @apilevel internal
*/
public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getDestNoTransform()) {
return isDAbefore(v);
}
else if(caller == getSourceNoTransform()) {
return getDest().isDAafter(v);
}
else { return getParent().Define_boolean_isDAbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/DefiniteAssignment.jrag:828
* @apilevel internal
*/
public boolean Define_boolean_isDUbefore(ASTNode caller, ASTNode child, Variable v) {
if(caller == getDestNoTransform()) {
return isDUbefore(v);
}
else if(caller == getSourceNoTransform()) {
return getDest().isDUafter(v);
}
else { return getParent().Define_boolean_isDUbefore(this, caller, v);
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/SyntacticClassification.jrag:99
* @apilevel internal
*/
public NameType Define_NameType_nameType(ASTNode caller, ASTNode child) {
if(caller == getDestNoTransform()) {
return NameType.EXPRESSION_NAME;
}
else { return getParent().Define_NameType_nameType(this, caller);
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}