soot.JastAddJ.AddExpr 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 AddExpr : {@link AdditiveExpr};
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:158
*/
public class AddExpr extends AdditiveExpr 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 AddExpr clone() throws CloneNotSupportedException {
AddExpr node = (AddExpr)super.clone();
node.type_computed = false;
node.type_value = null;
node.in$Circle(false);
node.is$Final(false);
return node;
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public AddExpr copy() {
try {
AddExpr node = (AddExpr) 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 AddExpr fullCopy() {
AddExpr tree = (AddExpr) 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 TypeCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeCheck.jrag:172
*/
public void typeCheck() {
TypeDecl left = getLeftOperand().type();
TypeDecl right = getRightOperand().type();
if(!left.isString() && !right.isString())
super.typeCheck();
else if(left.isVoid())
error("The type void of the left hand side is not numeric");
else if(right.isVoid())
error("The type void of the right hand side is not numeric");
}
/**
* @ast method
* @aspect Expressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:805
*/
public soot.Value emitOperation(Body b, soot.Value left, soot.Value right) {
return asLocal(b, b.newAddExpr(asImmediate(b, left), asImmediate(b, right), this));
}
/**
* @ast method
* @aspect Expressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:839
*/
public soot.Value eval(Body b) {
if(type().isString() && isConstant())
return soot.jimple.StringConstant.v(constant().stringValue());
if(isStringAdd()) {
Local v;
if(firstStringAddPart()) {
// new StringBuffer
v = b.newTemp(b.newNewExpr(
lookupType("java.lang", "StringBuffer").sootRef(), this));
b.setLine(this);
b.add(b.newInvokeStmt(
b.newSpecialInvokeExpr(v,
Scene.v().getMethod("()>").makeRef(),
this
), this));
b.setLine(this);
b.add(b.newInvokeStmt(
b.newVirtualInvokeExpr(v,
lookupType("java.lang", "StringBuffer").methodWithArgs("append", new TypeDecl[] { getLeftOperand().type().stringPromotion() }).sootRef(),
asImmediate(b, getLeftOperand().eval(b)),
this
), this));
}
else
v = (Local)getLeftOperand().eval(b);
// append
b.setLine(this);
b.add(b.newInvokeStmt(
b.newVirtualInvokeExpr(v,
lookupType("java.lang", "StringBuffer").methodWithArgs("append", new TypeDecl[] { getRightOperand().type().stringPromotion() }).sootRef(),
asImmediate(b, getRightOperand().eval(b)),
this
), this));
if(lastStringAddPart()) {
return b.newTemp(
b.newVirtualInvokeExpr(v,
Scene.v().getMethod("").makeRef(),
this
));
}
else
return v;
}
else
return b.newAddExpr(
b.newTemp(
getLeftOperand().type().emitCastTo(b, // Binary numeric promotion
getLeftOperand(),
type()
)
),
asImmediate(b,
getRightOperand().type().emitCastTo(b, // Binary numeric promotion
getRightOperand(),
type()
)
),
this
);
}
/**
* @ast method
*
*/
public AddExpr() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @ast method
*
*/
public void init$Children() {
children = new ASTNode[2];
}
/**
* @ast method
*
*/
public AddExpr(Expr p0, Expr p1) {
setChild(p0, 0);
setChild(p1, 1);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 2;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return false;
}
/**
* Replaces the LeftOperand child.
* @param node The new node to replace the LeftOperand child.
* @apilevel high-level
* @ast method
*
*/
public void setLeftOperand(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the LeftOperand child.
* @return The current node used as the LeftOperand child.
* @apilevel high-level
* @ast method
*
*/
public Expr getLeftOperand() {
return (Expr)getChild(0);
}
/**
* Retrieves the LeftOperand child.
* This method does not invoke AST transformations.
* @return The current node used as the LeftOperand child.
* @apilevel low-level
* @ast method
*
*/
public Expr getLeftOperandNoTransform() {
return (Expr)getChildNoTransform(0);
}
/**
* Replaces the RightOperand child.
* @param node The new node to replace the RightOperand child.
* @apilevel high-level
* @ast method
*
*/
public void setRightOperand(Expr node) {
setChild(node, 1);
}
/**
* Retrieves the RightOperand child.
* @return The current node used as the RightOperand child.
* @apilevel high-level
* @ast method
*
*/
public Expr getRightOperand() {
return (Expr)getChild(1);
}
/**
* Retrieves the RightOperand child.
* This method does not invoke AST transformations.
* @return The current node used as the RightOperand child.
* @apilevel low-level
* @ast method
*
*/
public Expr getRightOperandNoTransform() {
return (Expr)getChildNoTransform(1);
}
/**
* @attribute syn
* @aspect ConstantExpression
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/ConstantExpression.jrag:91
*/
public Constant constant() {
ASTNode$State state = state();
try { return type().add(getLeftOperand().constant(), getRightOperand().constant()); }
finally {
}
}
/**
* @attribute syn
* @aspect PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:400
*/
public String printOp() {
ASTNode$State state = state();
try { return " + "; }
finally {
}
}
/**
* @apilevel internal
*/
protected boolean type_computed = false;
/**
* @apilevel internal
*/
protected TypeDecl type_value;
/**
* @attribute syn
* @aspect TypeAnalysis
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeAnalysis.jrag:327
*/
@SuppressWarnings({"unchecked", "cast"})
public TypeDecl type() {
if(type_computed) {
return type_value;
}
ASTNode$State state = state();
int num = state.boundariesCrossed;
boolean isFinal = this.is$Final();
type_value = type_compute();
if(isFinal && num == state().boundariesCrossed) type_computed = true;
return type_value;
}
/**
* @apilevel internal
*/
private TypeDecl type_compute() {
TypeDecl left = getLeftOperand().type();
TypeDecl right = getRightOperand().type();
if(!left.isString() && !right.isString())
return super.type();
else {
if(left.isVoid() || right.isVoid())
return unknownType();
// pick the string type
return left.isString() ? left : right;
}
}
/**
* @attribute syn
* @aspect InnerClasses
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Backend/InnerClasses.jrag:88
*/
public boolean isStringAdd() {
ASTNode$State state = state();
try { return type().isString() && !isConstant(); }
finally {
}
}
/**
* @attribute syn
* @aspect InnerClasses
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Backend/InnerClasses.jrag:91
*/
public boolean firstStringAddPart() {
ASTNode$State state = state();
try { return type().isString() && !getLeftOperand().isStringAdd(); }
finally {
}
}
/**
* @attribute syn
* @aspect InnerClasses
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Backend/InnerClasses.jrag:92
*/
public boolean lastStringAddPart() {
ASTNode$State state = state();
try { return !getParent().isStringAdd(); }
finally {
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}