soot.JastAddJ.AssignPlusExpr 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 AssignPlusExpr : {@link AssignAdditiveExpr};
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:116
*/
public class AssignPlusExpr extends AssignAdditiveExpr implements Cloneable {
/**
* @apilevel low-level
*/
public void flushCache() {
super.flushCache();
}
/**
* @apilevel internal
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public AssignPlusExpr clone() throws CloneNotSupportedException {
AssignPlusExpr node = (AssignPlusExpr)super.clone();
node.in$Circle(false);
node.is$Final(false);
return node;
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public AssignPlusExpr copy() {
try {
AssignPlusExpr node = (AssignPlusExpr) 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 AssignPlusExpr fullCopy() {
AssignPlusExpr tree = (AssignPlusExpr) 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:71
*/
public void typeCheck() {
if(!getDest().isVariable())
error("left hand side is not a variable");
else if(getSource().type().isUnknown() || getDest().type().isUnknown())
return;
else if(getDest().type().isString() && !(getSource().type().isVoid()))
return;
else if(getSource().type().isBoolean() || getDest().type().isBoolean())
error("Operator + does not operate on boolean types");
else if(getSource().type().isPrimitive() && getDest().type().isPrimitive())
return;
else
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:84
*/
public soot.Value eval(Body b) {
TypeDecl dest = getDest().type();
TypeDecl source = getSource().type();
if(dest.isString()) {
Value lvalue = getDest().eval(b);
Value v = asImmediate(b, lvalue);
// new StringBuffer(left)
Local local = b.newTemp(b.newNewExpr(
lookupType("java.lang", "StringBuffer").sootRef(), this));
b.setLine(this);
b.add(b.newInvokeStmt(
b.newSpecialInvokeExpr(local,
Scene.v().getMethod("(java.lang.String)>").makeRef(),
v,
this
), this));
// append right
Local rightResult = b.newTemp(
b.newVirtualInvokeExpr(local,
lookupType("java.lang", "StringBuffer").methodWithArgs("append", new TypeDecl[] { source.stringPromotion() }).sootRef(),
asImmediate(b, getSource().eval(b)),
this
));
// toString
Local result = b.newTemp(
b.newVirtualInvokeExpr(rightResult,
Scene.v().getMethod("").makeRef(),
this
));
Value v2 = lvalue instanceof Local ? lvalue : (Value)lvalue.clone();
getDest().emitStore(b, v2, result, this);
return result;
}
else {
return super.eval(b);
}
}
/**
* @ast method
* @aspect Expressions
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:165
*/
public soot.Value createAssignOp(Body b, soot.Value fst, soot.Value snd) {
return b.newAddExpr(asImmediate(b, fst), asImmediate(b, snd), this);
}
/**
* @ast method
*
*/
public AssignPlusExpr() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @ast method
*
*/
public void init$Children() {
children = new ASTNode[2];
}
/**
* @ast method
*
*/
public AssignPlusExpr(Expr p0, Expr p1) {
setChild(p0, 0);
setChild(p1, 1);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 2;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return false;
}
/**
* Replaces the Dest child.
* @param node The new node to replace the Dest child.
* @apilevel high-level
* @ast method
*
*/
public void setDest(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Dest child.
* @return The current node used as the Dest child.
* @apilevel high-level
* @ast method
*
*/
public Expr getDest() {
return (Expr)getChild(0);
}
/**
* Retrieves the Dest child.
* This method does not invoke AST transformations.
* @return The current node used as the Dest child.
* @apilevel low-level
* @ast method
*
*/
public Expr getDestNoTransform() {
return (Expr)getChildNoTransform(0);
}
/**
* Replaces the Source child.
* @param node The new node to replace the Source child.
* @apilevel high-level
* @ast method
*
*/
public void setSource(Expr node) {
setChild(node, 1);
}
/**
* Retrieves the Source child.
* @return The current node used as the Source child.
* @apilevel high-level
* @ast method
*
*/
public Expr getSource() {
return (Expr)getChild(1);
}
/**
* Retrieves the Source child.
* This method does not invoke AST transformations.
* @return The current node used as the Source child.
* @apilevel low-level
* @ast method
*
*/
public Expr getSourceNoTransform() {
return (Expr)getChildNoTransform(1);
}
/**
* @attribute syn
* @aspect PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:247
*/
public String printOp() {
ASTNode$State state = state();
try { return " += "; }
finally {
}
}
/**
* @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 {
TypeDecl left = getDest().type();
TypeDecl right = getSource().type();
if(!left.isString() && !right.isString())
return super.sourceType();
if(left.isVoid() || right.isVoid())
return unknownType();
return left.isString() ? left : right;
}
finally {
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}