soot.JastAddJ.ConstCase 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 ConstCase : {@link Case} ::= Value:{@link Expr};
* @ast node
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:204
*/
public class ConstCase extends Case implements Cloneable {
/**
* @apilevel low-level
*/
public void flushCache() {
super.flushCache();
}
/**
* @apilevel internal
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public ConstCase clone() throws CloneNotSupportedException {
ConstCase node = (ConstCase)super.clone();
node.in$Circle(false);
node.is$Final(false);
return node;
}
/**
* @apilevel internal
*/
@SuppressWarnings({"unchecked", "cast"})
public ConstCase copy() {
try {
ConstCase node = (ConstCase) 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 ConstCase fullCopy() {
ConstCase tree = (ConstCase) 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 NameCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/NameCheck.jrag:406
*/
public void nameCheck() {
if(getValue().isConstant() && bind(this) != this) {
error("constant expression " + getValue() + " is multiply declared in two case statements");
}
}
/**
* @ast method
* @aspect PrettyPrint
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:562
*/
public void toString(StringBuffer s) {
s.append(indent());
s.append("case ");
getValue().toString(s);
s.append(":");
}
/**
* @ast method
* @aspect EnumsCodegen
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/Jimple1.5Backend/EnumsCodegen.jrag:32
*/
public void transformation() {
if(getValue() instanceof VarAccess && getValue().varDecl() instanceof EnumConstant) {
int i = hostType().createEnumIndex((EnumConstant)getValue().varDecl());
setValue(new IntegerLiteral(new Integer(i).toString()));
}
super.transformation();
}
/**
* @ast method
*
*/
public ConstCase() {
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[1];
}
/**
* @ast method
*
*/
public ConstCase(Expr p0) {
setChild(p0, 0);
}
/**
* @apilevel low-level
* @ast method
*
*/
protected int numChildren() {
return 1;
}
/**
* @apilevel internal
* @ast method
*
*/
public boolean mayHaveRewrite() {
return false;
}
/**
* Replaces the Value child.
* @param node The new node to replace the Value child.
* @apilevel high-level
* @ast method
*
*/
public void setValue(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Value child.
* @return The current node used as the Value child.
* @apilevel high-level
* @ast method
*
*/
public Expr getValue() {
return (Expr)getChild(0);
}
/**
* Retrieves the Value child.
* This method does not invoke AST transformations.
* @return The current node used as the Value child.
* @apilevel low-level
* @ast method
*
*/
public Expr getValueNoTransform() {
return (Expr)getChildNoTransform(0);
}
/**
* @ast method
* @aspect Enums
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.5Frontend/Enums.jrag:503
*/
public void refined_Enums_ConstCase_typeCheck() {
boolean isEnumConstant = getValue().isEnumConstant();
if(switchType().isEnumDecl() && !isEnumConstant) {
error("Unqualified enumeration constant required");
} else {
TypeDecl switchType = switchType();
TypeDecl type = getValue().type();
if(!type.assignConversionTo(switchType, getValue()))
error("Constant expression must be assignable to Expression");
if(!getValue().isConstant() && !getValue().type().isUnknown() &&
!isEnumConstant)
error("Switch expression must be constant");
}
}
/**
* Improve the type checking error messages given for case labels.
* @ast method
* @aspect StringsInSwitch
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java7Frontend/StringsInSwitch.jrag:68
*/
public void typeCheck() {
boolean isEnumConstant = getValue().isEnumConstant();
TypeDecl switchType = switchType();
TypeDecl type = getValue().type();
if (switchType.isEnumDecl() && !isEnumConstant)
error("Unqualified enumeration constant required");
if (!type.assignConversionTo(switchType, getValue()))
error("Case label has incompatible type "+switchType.name()+
", expected type compatible with "+type.name());
if (!getValue().isConstant() && !getValue().type().isUnknown() &&
!isEnumConstant)
error("Case label must have constant expression");
}
/**
* @ast method
* @aspect NameCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/NameCheck.jrag:432
*/
private boolean refined_NameCheck_ConstCase_constValue_Case(Case c)
{
if(!(c instanceof ConstCase) || !getValue().isConstant())
return false;
if(!getValue().type().assignableToInt() || !((ConstCase)c).getValue().type().assignableToInt())
return false;
return getValue().constant().intValue() == ((ConstCase)c).getValue().constant().intValue();
}
/**
* @ast method
* @aspect Enums
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.5Frontend/Enums.jrag:517
*/
private boolean refined_Enums_ConstCase_constValue_Case(Case c)
{
if(switchType().isEnumDecl()) {
if(!(c instanceof ConstCase) || !getValue().isConstant())
return false;
return getValue().varDecl() == ((ConstCase)c).getValue().varDecl();
}
else
return refined_NameCheck_ConstCase_constValue_Case(c);
}
/**
* @attribute syn
* @aspect NameCheck
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/NameCheck.jrag:431
*/
public boolean constValue(Case c) {
ASTNode$State state = state();
try {
if (isDefaultCase() || c.isDefaultCase())
return isDefaultCase() && c.isDefaultCase();
Expr myValue = getValue();
Expr otherValue = ((ConstCase) c).getValue();
TypeDecl myType = myValue.type();
TypeDecl otherType = otherValue.type();
if (myType.isString() || otherType.isString()) {
if (!myType.isString() || !otherType.isString())
return false;
if (!myValue.isConstant() || !otherValue.isConstant())
return false;
return myValue.constant().stringValue().equals(
otherValue.constant().stringValue());
}
return refined_Enums_ConstCase_constValue_Case(c);
}
finally {
}
}
/**
* @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.5Frontend/Enums.jrag:497
* @apilevel internal
*/
public SimpleSet Define_SimpleSet_lookupVariable(ASTNode caller, ASTNode child, String name) {
if(caller == getValueNoTransform()) {
return switchType().isEnumDecl() ? switchType().memberFields(name) : lookupVariable(name);
}
else { return getParent().Define_SimpleSet_lookupVariable(this, caller, name);
}
}
/**
* @apilevel internal
*/
public ASTNode rewriteTo() {
return super.rewriteTo();
}
}