instanceinitializer.java

来自「JDK1.4编译器前端」· Java 代码 · 共 290 行

package AST;
import java.util.HashSet;import java.util.LinkedHashSet;import java.io.FileNotFoundException;import java.io.File;import java.util.*;import beaver.*;import java.util.ArrayList;import java.util.zip.*;import java.io.*;


public class InstanceInitializer extends BodyDecl implements Cloneable {
    public void flushCache() {
        super.flushCache();
        exceptions_visited = -1;
        exceptions_computed = false;
        exceptions_value = null;
        isDAafter_Variable_visited = new java.util.HashMap(4);
        isDAafter_Variable_values = null;
        isDUafter_Variable_visited = new java.util.HashMap(4);
        isDUafter_Variable_values = null;
        handlesException_TypeDecl_visited = new java.util.HashMap(4);
        handlesException_TypeDecl_values = null;
    }
     @SuppressWarnings({"unchecked", "cast"})  public InstanceInitializer clone() throws CloneNotSupportedException {
        InstanceInitializer node = (InstanceInitializer)super.clone();
        node.exceptions_visited = -1;
        node.exceptions_computed = false;
        node.exceptions_value = null;
        node.isDAafter_Variable_visited = new java.util.HashMap(4);
        node.isDAafter_Variable_values = null;
        node.isDUafter_Variable_visited = new java.util.HashMap(4);
        node.isDUafter_Variable_values = null;
        node.handlesException_TypeDecl_visited = new java.util.HashMap(4);
        node.handlesException_TypeDecl_values = null;
        node.in$Circle(false);
        node.is$Final(false);
    return node;
    }
     @SuppressWarnings({"unchecked", "cast"})  public InstanceInitializer copy() {
      try {
          InstanceInitializer node = (InstanceInitializer)clone();
          if(children != null) node.children = (ASTNode[])children.clone();
          return node;
      } catch (CloneNotSupportedException e) {
      }
      System.err.println("Error: Could not clone node of type " + getClass().getName() + "!");
      return null;
    }
     @SuppressWarnings({"unchecked", "cast"})  public InstanceInitializer fullCopy() {
        InstanceInitializer res = (InstanceInitializer)copy();
        for(int i = 0; i < getNumChildNoTransform(); i++) {
          ASTNode node = getChildNoTransform(i);
          if(node != null) node = node.fullCopy();
          res.setChild(node, i);
        }
        return res;
    }
    // Declared in PrettyPrint.jadd at line 122


  // Type body decl

  public void toString(StringBuffer s) {
    if(getBlock().getNumStmt() > 0) {
      s.append(indent());
      getBlock().toString(s);
    }
  }

    // Declared in UnreachableStatements.jrag at line 22

  void checkUnreachableStmt() {
    if(!getBlock().canCompleteNormally())
      error("instance initializer in " + hostType().fullName() + " can not complete normally");
  }

    // Declared in java.ast at line 3
    // Declared in java.ast line 70

    public InstanceInitializer() {
        super();


    }

    // Declared in java.ast at line 10


    // Declared in java.ast line 70
    public InstanceInitializer(Block p0) {
        setChild(p0, 0);
    }

    // Declared in java.ast at line 14


  protected int numChildren() {
    return 1;
  }

    // Declared in java.ast at line 17

  public boolean mayHaveRewrite() { return true; }

    // Declared in java.ast at line 2
    // Declared in java.ast line 70
    public void setBlock(Block node) {
        setChild(node, 0);
    }

    // Declared in java.ast at line 5

    public Block getBlock() {
        return (Block)getChild(0);
    }

    // Declared in java.ast at line 9


    public Block getBlockNoTransform() {
        return (Block)getChildNoTransform(0);
    }

    protected int exceptions_visited = -1;
    protected boolean exceptions_computed = false;
    protected Collection exceptions_value;
    // Declared in AnonymousClasses.jrag at line 125
 @SuppressWarnings({"unchecked", "cast"})     public Collection exceptions() {
        if(exceptions_computed)
            return exceptions_value;
        if(exceptions_visited == boundariesCrossed)
            throw new RuntimeException("Circular definition of attr: exceptions in class: ");
        exceptions_visited = boundariesCrossed;
        int num = boundariesCrossed;
        boolean isFinal = this.is$Final();
        exceptions_value = exceptions_compute();
        if(isFinal && num == boundariesCrossed)
            exceptions_computed = true;
        exceptions_visited = -1;
        return exceptions_value;
    }

    private Collection exceptions_compute() {
    HashSet set = new HashSet();
    collectExceptions(set, this);
    for(Iterator iter = set.iterator(); iter.hasNext(); ) {
      TypeDecl typeDecl = (TypeDecl)iter.next();
      if(!getBlock().reachedException(typeDecl))
        iter.remove();
    }
    return set;
  }

    protected java.util.Map isDAafter_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 294
 @SuppressWarnings({"unchecked", "cast"})     public boolean isDAafter(Variable v) {
        Object _parameters = v;
if(isDAafter_Variable_visited == null) isDAafter_Variable_visited = new java.util.HashMap(4);
if(isDAafter_Variable_values == null) isDAafter_Variable_values = new java.util.HashMap(4);
        if(isDAafter_Variable_values.containsKey(_parameters))
            return ((Boolean)isDAafter_Variable_values.get(_parameters)).booleanValue();
        if(new Integer(boundariesCrossed).equals(isDAafter_Variable_visited.get(_parameters)))
            throw new RuntimeException("Circular definition of attr: isDAafter in class: ");
        isDAafter_Variable_visited.put(_parameters, new Integer(boundariesCrossed));
        int num = boundariesCrossed;
        boolean isFinal = this.is$Final();
        boolean isDAafter_Variable_value = isDAafter_compute(v);
        if(isFinal && num == boundariesCrossed)
            isDAafter_Variable_values.put(_parameters, Boolean.valueOf(isDAafter_Variable_value));
        isDAafter_Variable_visited.remove(_parameters);
        return isDAafter_Variable_value;
    }

    private boolean isDAafter_compute(Variable v) {  return getBlock().isDAafter(v);  }

    protected java.util.Map isDUafter_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 750
 @SuppressWarnings({"unchecked", "cast"})     public boolean isDUafter(Variable v) {
        Object _parameters = v;
if(isDUafter_Variable_visited == null) isDUafter_Variable_visited = new java.util.HashMap(4);
if(isDUafter_Variable_values == null) isDUafter_Variable_values = new java.util.HashMap(4);
        if(isDUafter_Variable_values.containsKey(_parameters))
            return ((Boolean)isDUafter_Variable_values.get(_parameters)).booleanValue();
        if(new Integer(boundariesCrossed).equals(isDUafter_Variable_visited.get(_parameters)))
            throw new RuntimeException("Circular definition of attr: isDUafter in class: ");
        isDUafter_Variable_visited.put(_parameters, new Integer(boundariesCrossed));
        int num = boundariesCrossed;
        boolean isFinal = this.is$Final();
        boolean isDUafter_Variable_value = isDUafter_compute(v);
        if(isFinal && num == boundariesCrossed)
            isDUafter_Variable_values.put(_parameters, Boolean.valueOf(isDUafter_Variable_value));
        isDUafter_Variable_visited.remove(_parameters);
        return isDUafter_Variable_value;
    }

    private boolean isDUafter_compute(Variable v) {  return getBlock().isDUafter(v);  }

    protected java.util.Map handlesException_TypeDecl_visited;
    protected java.util.Map handlesException_TypeDecl_values;
    // Declared in ExceptionHandling.jrag at line 32
 @SuppressWarnings({"unchecked", "cast"})     public boolean handlesException(TypeDecl exceptionType) {
        Object _parameters = exceptionType;
if(handlesException_TypeDecl_visited == null) handlesException_TypeDecl_visited = new java.util.HashMap(4);
if(handlesException_TypeDecl_values == null) handlesException_TypeDecl_values = new java.util.HashMap(4);
        if(handlesException_TypeDecl_values.containsKey(_parameters))
            return ((Boolean)handlesException_TypeDecl_values.get(_parameters)).booleanValue();
        if(new Integer(boundariesCrossed).equals(handlesException_TypeDecl_visited.get(_parameters)))
            throw new RuntimeException("Circular definition of attr: handlesException in class: ");
        handlesException_TypeDecl_visited.put(_parameters, new Integer(boundariesCrossed));
        int num = boundariesCrossed;
        boolean isFinal = this.is$Final();
        if(getParent() == null) throw new RuntimeException("Trying to evaluate attribute in subtree not attached to main tree");        boolean handlesException_TypeDecl_value = getParent().Define_boolean_handlesException(this, null, exceptionType);
        if(isFinal && num == boundariesCrossed)
            handlesException_TypeDecl_values.put(_parameters, Boolean.valueOf(handlesException_TypeDecl_value));
        handlesException_TypeDecl_visited.remove(_parameters);
        return handlesException_TypeDecl_value;
    }

    // Declared in NameCheck.jrag at line 243
    public ASTNode Define_ASTNode_enclosingBlock(ASTNode caller, ASTNode child) {
        if(caller == getBlockNoTransform()) {
            return this;
        }
        if(getParent() == null) throw new RuntimeException("Trying to evaluate attribute in subtree not attached to main tree");        return getParent().Define_ASTNode_enclosingBlock(this, caller);
    }

    // Declared in ExceptionHandling.jrag at line 157
    public boolean Define_boolean_handlesException(ASTNode caller, ASTNode child, TypeDecl exceptionType) {
        if(caller == getBlockNoTransform()){
    if(hostType().isAnonymous())
      return true;
    if(!exceptionType.isUncheckedException())
      return true;
    for(Iterator iter = hostType().constructors().iterator(); iter.hasNext(); ) {
      ConstructorDecl decl = (ConstructorDecl)iter.next();
      if(!decl.throwsException(exceptionType))
        return false;
    }
    return true;
  }
        if(getParent() == null) throw new RuntimeException("Trying to evaluate attribute in subtree not attached to main tree");        return getParent().Define_boolean_handlesException(this, caller, exceptionType);
    }

    // Declared in UnreachableStatements.jrag at line 35
    public boolean Define_boolean_reachable(ASTNode caller, ASTNode child) {
        if(caller == getBlockNoTransform()) {
            return true;
        }
        if(getParent() == null) throw new RuntimeException("Trying to evaluate attribute in subtree not attached to main tree");        return getParent().Define_boolean_reachable(this, caller);
    }

    // Declared in DefiniteAssignment.jrag at line 439
    public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
        if(caller == getBlockNoTransform()) {
            return isDAbefore(v);
        }
        if(getParent() == null) throw new RuntimeException("Trying to evaluate attribute in subtree not attached to main tree");        return getParent().Define_boolean_isDAbefore(this, caller, v);
    }

    // Declared in TypeHierarchyCheck.jrag at line 140
    public boolean Define_boolean_inStaticContext(ASTNode caller, ASTNode child) {
        if(caller == getBlockNoTransform()) {
            return false;
        }
        if(getParent() == null) throw new RuntimeException("Trying to evaluate attribute in subtree not attached to main tree");        return getParent().Define_boolean_inStaticContext(this, caller);
    }

public ASTNode rewriteTo() {
    // Declared in GOP.jrag at line 146
    if(hostType().isGranuleDecl()) {
        duringGOP++;
        ASTNode result = rewriteRule0();
        duringGOP--;
        return result;
    }

    return super.rewriteTo();
}

    // Declared in GOP.jrag at line 146
    private MethodDecl rewriteRule0() {
         debugRewrite("Rewriting " + getClass().getName() + " using rule in GOP.jrag at line 146");
{
       Modifier m = new Modifier("private");
       List<Modifier> l= new List<Modifier>();
       l.add(m);
       Modifiers ms = new Modifiers(l);
       Access access =new PrimitiveTypeAccess("boolean");
       List<ParameterDeclaration> l3=null;
       List<Access> l4 =null;
       Opt<Block> opt = new Opt(getBlock());
       return new MethodDecl(ms, access, hostType().getID(), l3, l4, opt);
   }    }
}