soot.JastAddJ.ClassAccess 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 ClassAccess : {@link Access};
 * @ast node
 * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/java.ast:39
 */
public class ClassAccess extends Access 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 ClassAccess clone() throws CloneNotSupportedException {
    ClassAccess node = (ClassAccess)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 ClassAccess copy() {
    try {
      ClassAccess node = (ClassAccess) 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 ClassAccess fullCopy() {
    ClassAccess tree = (ClassAccess) 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:177
   */
  public void nameCheck() {
    if(isQualified() && !qualifier().isTypeAccess())
      error("class literal may only contain type names");
  }
  /**
   * @ast method 
   * @aspect PrettyPrint
   * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/PrettyPrint.jadd:520
   */
  public void toString(StringBuffer s) {
    s.append("class");
  }
  /**
   * @ast method 
   * @aspect Transformations
   * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Backend/Transformations.jrag:160
   */
  public void transformation() {
    super.transformation();
    // touch static class method before any accessors to make it first in method
    if(isQualified() && qualifier().type().isReferenceType()) {
      hostType().topLevelType().createStaticClassMethod();
      FieldDeclaration f = hostType().topLevelType().createStaticClassField(prevExpr().type().referenceClassFieldName());
    }
    
  }
  /**
   * @ast method 
   * @aspect Expressions
   * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddExtensions/JimpleBackend/Expressions.jrag:911
   */
  public soot.Value eval(Body b) {
    if(prevExpr().type().isPrimitiveType() || prevExpr().type().isVoid()) {
      TypeDecl typeDecl = lookupType("java.lang", prevExpr().type().primitiveClassName());
      SimpleSet c = typeDecl.memberFields("TYPE");
      FieldDeclaration f = (FieldDeclaration)c.iterator().next();
      return b.newStaticFieldRef(f.sootRef(), this);
    }
    else {
      FieldDeclaration f = hostType().topLevelType().createStaticClassField(prevExpr().type().referenceClassFieldName());
      // add method to perform lookup as a side-effect
      MethodDecl m = hostType().topLevelType().createStaticClassMethod();

      soot.jimple.Stmt next_label = b.newLabel();
      soot.jimple.Stmt end_label = b.newLabel();
      Local result = b.newTemp(type().getSootType());
      Local ref = asLocal(b, b.newStaticFieldRef(f.sootRef(), this));
      b.setLine(this);
      b.add(
        b.newIfStmt(
          b.newNeExpr(ref, soot.jimple.NullConstant.v(), this),
          next_label,
          this
        )
      );
      // emit string literal
        
      ArrayList list = new ArrayList();
      list.add(new StringLiteral(prevExpr().type().jvmName()).eval(b));
      Local l = asLocal(b, b.newStaticInvokeExpr(m.sootRef(), list, this));
      b.setLine(this);
      b.add(b.newAssignStmt(
        b.newStaticFieldRef(f.sootRef(), this),
        l,
        this
      ));
      b.setLine(this);
      b.add(b.newAssignStmt(result, l, this));
      b.add(b.newGotoStmt(end_label, this));
      b.addLabel(next_label);
      b.add(b.newAssignStmt(
        result,
        b.newStaticFieldRef(f.sootRef(), this),
        this
      ));
      b.addLabel(end_label);
      return result;
    }
  }
  /**
   * @ast method 
   * 
   */
  public ClassAccess() {
    super();


  }
  /**
   * Initializes the child array to the correct size.
   * Initializes List and Opt nta children.
   * @apilevel internal
   * @ast method
   * @ast method 
   * 
   */
  public void init$Children() {
  }
  /**
   * @apilevel low-level
   * @ast method 
   * 
   */
  protected int numChildren() {
    return 0;
  }
  /**
   * @apilevel internal
   * @ast method 
   * 
   */
  public boolean mayHaveRewrite() {
    return false;
  }
  /**
   * @ast method 
   * @aspect TypeAnalysis
   * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/TypeAnalysis.jrag:401
   */
  private TypeDecl refined_TypeAnalysis_ClassAccess_type()
{ return lookupType("java.lang", "Class"); }
  /**
   * @attribute syn
   * @aspect AccessTypes
   * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/ResolveAmbiguousNames.jrag:45
   */
  public boolean isClassAccess() {
    ASTNode$State state = state();
    try {  return true;  }
    finally {
    }
  }
  /**
   * @attribute syn
   * @aspect SyntacticClassification
   * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.4Frontend/SyntacticClassification.jrag:56
   */
  public NameType predNameType() {
    ASTNode$State state = state();
    try {  return NameType.TYPE_NAME;  }
    finally {
    }
  }
  /**
   * @apilevel internal
   */
  protected boolean type_computed = false;
  /**
   * @apilevel internal
   */
  protected TypeDecl type_value;
  /**
   * @attribute syn
   * @aspect Generics
   * @declaredat /Users/eric/Documents/workspaces/clara-soot/JastAddJ/Java1.5Frontend/Generics.jrag:119
   */
  @SuppressWarnings({"unchecked", "cast"})
  public TypeDecl type() {
    if(type_computed) {
      return type_value;
    }
    ASTNode$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() {
    GenericClassDecl d = (GenericClassDecl)refined_TypeAnalysis_ClassAccess_type();
    TypeDecl type = qualifier().type();
    if(type.isPrimitiveType())
      type = type.boxed();
    ArrayList list = new ArrayList();
    list.add(type);
    return d.lookupParTypeDecl(list);
  }
  /**
   * @apilevel internal
   */
  public ASTNode rewriteTo() {
    return super.rewriteTo();
  }
}