conditionalexpr.java

JDK1.4编译器前端

        isConstant_value = isConstant_compute();
        if(isFinal && num == boundariesCrossed)
            isConstant_computed = true;
        isConstant_visited = -1;
        return isConstant_value;
    }

    private boolean isConstant_compute() {  return getCondition().isConstant() && getTrueExpr().isConstant() && getFalseExpr().isConstant();  }

    protected int booleanOperator_visited = -1;
    protected boolean booleanOperator_computed = false;
    protected boolean booleanOperator_value;
    // Declared in DefiniteAssignment.jrag at line 232
 @SuppressWarnings({"unchecked", "cast"})     public boolean booleanOperator() {
        if(booleanOperator_computed)
            return booleanOperator_value;
        if(booleanOperator_visited == boundariesCrossed)
            throw new RuntimeException("Circular definition of attr: booleanOperator in class: ");
        booleanOperator_visited = boundariesCrossed;
        int num = boundariesCrossed;
        boolean isFinal = this.is$Final();
        booleanOperator_value = booleanOperator_compute();
        if(isFinal && num == boundariesCrossed)
            booleanOperator_computed = true;
        booleanOperator_visited = -1;
        return booleanOperator_value;
    }

    private boolean booleanOperator_compute() {  return getTrueExpr().type().isBoolean() && getFalseExpr().type().isBoolean();  }

    protected java.util.Map isDAafterTrue_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 386
 @SuppressWarnings({"unchecked", "cast"})     public boolean isDAafterTrue(Variable v) {
        Object _parameters = v;
if(isDAafterTrue_Variable_visited == null) isDAafterTrue_Variable_visited = new java.util.HashMap(4);
        if(new Integer(boundariesCrossed).equals(isDAafterTrue_Variable_visited.get(_parameters)))
            throw new RuntimeException("Circular definition of attr: isDAafterTrue in class: ");
        isDAafterTrue_Variable_visited.put(_parameters, new Integer(boundariesCrossed));
        boolean isDAafterTrue_Variable_value = isDAafterTrue_compute(v);
        isDAafterTrue_Variable_visited.remove(_parameters);
        return isDAafterTrue_Variable_value;
    }

    private boolean isDAafterTrue_compute(Variable v) {  return (getTrueExpr().isDAafterTrue(v) && getFalseExpr().isDAafterTrue(v)) || isFalse();  }

    protected java.util.Map isDAafterFalse_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 387
 @SuppressWarnings({"unchecked", "cast"})     public boolean isDAafterFalse(Variable v) {
        Object _parameters = v;
if(isDAafterFalse_Variable_visited == null) isDAafterFalse_Variable_visited = new java.util.HashMap(4);
        if(new Integer(boundariesCrossed).equals(isDAafterFalse_Variable_visited.get(_parameters)))
            throw new RuntimeException("Circular definition of attr: isDAafterFalse in class: ");
        isDAafterFalse_Variable_visited.put(_parameters, new Integer(boundariesCrossed));
        boolean isDAafterFalse_Variable_value = isDAafterFalse_compute(v);
        isDAafterFalse_Variable_visited.remove(_parameters);
        return isDAafterFalse_Variable_value;
    }

    private boolean isDAafterFalse_compute(Variable v) {  return (getTrueExpr().isDAafterFalse(v) && getFalseExpr().isDAafterFalse(v)) || isTrue();  }

    protected java.util.Map isDAafter_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 391
 @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(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));
        boolean isDAafter_Variable_value = isDAafter_compute(v);
        isDAafter_Variable_visited.remove(_parameters);
        return isDAafter_Variable_value;
    }

    private boolean isDAafter_compute(Variable v) {  return booleanOperator() ? isDAafterTrue(v) && isDAafterFalse(v) : getTrueExpr().isDAafter(v) && getFalseExpr().isDAafter(v);  }

    protected java.util.Map isDUafterTrue_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 820
 @SuppressWarnings({"unchecked", "cast"})     public boolean isDUafterTrue(Variable v) {
        Object _parameters = v;
if(isDUafterTrue_Variable_visited == null) isDUafterTrue_Variable_visited = new java.util.HashMap(4);
        if(new Integer(boundariesCrossed).equals(isDUafterTrue_Variable_visited.get(_parameters)))
            throw new RuntimeException("Circular definition of attr: isDUafterTrue in class: ");
        isDUafterTrue_Variable_visited.put(_parameters, new Integer(boundariesCrossed));
        boolean isDUafterTrue_Variable_value = isDUafterTrue_compute(v);
        isDUafterTrue_Variable_visited.remove(_parameters);
        return isDUafterTrue_Variable_value;
    }

    private boolean isDUafterTrue_compute(Variable v) {  return getTrueExpr().isDUafterTrue(v) && getFalseExpr().isDUafterTrue(v);  }

    protected java.util.Map isDUafterFalse_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 821
 @SuppressWarnings({"unchecked", "cast"})     public boolean isDUafterFalse(Variable v) {
        Object _parameters = v;
if(isDUafterFalse_Variable_visited == null) isDUafterFalse_Variable_visited = new java.util.HashMap(4);
        if(new Integer(boundariesCrossed).equals(isDUafterFalse_Variable_visited.get(_parameters)))
            throw new RuntimeException("Circular definition of attr: isDUafterFalse in class: ");
        isDUafterFalse_Variable_visited.put(_parameters, new Integer(boundariesCrossed));
        boolean isDUafterFalse_Variable_value = isDUafterFalse_compute(v);
        isDUafterFalse_Variable_visited.remove(_parameters);
        return isDUafterFalse_Variable_value;
    }

    private boolean isDUafterFalse_compute(Variable v) {  return getTrueExpr().isDUafterFalse(v) && getFalseExpr().isDUafterFalse(v);  }

    protected java.util.Map isDUafter_Variable_visited;
    // Declared in DefiniteAssignment.jrag at line 825
 @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(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));
        boolean isDUafter_Variable_value = isDUafter_compute(v);
        isDUafter_Variable_visited.remove(_parameters);
        return isDUafter_Variable_value;
    }

    private boolean isDUafter_compute(Variable v) {  return booleanOperator() ? isDUafterTrue(v) && isDUafterFalse(v) : getTrueExpr().isDUafter(v) && getFalseExpr().isDUafter(v);  }

    protected int type_visited = -1;
    protected boolean type_computed = false;
    protected TypeDecl type_value;
    // Declared in TypeAnalysis.jrag at line 365
 @SuppressWarnings({"unchecked", "cast"})     public TypeDecl type() {
        if(type_computed)
            return type_value;
        if(type_visited == boundariesCrossed)
            throw new RuntimeException("Circular definition of attr: type in class: ");
        type_visited = boundariesCrossed;
        int num = boundariesCrossed;
        boolean isFinal = this.is$Final();
        type_value = type_compute();
        if(isFinal && num == boundariesCrossed)
            type_computed = true;
        type_visited = -1;
        return type_value;
    }

    private TypeDecl type_compute() {
    TypeDecl trueType = getTrueExpr().type();
    TypeDecl falseType = getFalseExpr().type();
    
    if(trueType == falseType) return trueType;
    
    if(trueType.isNumericType() && falseType.isNumericType()) {
      if(trueType.isByte() && falseType.isShort()) return falseType;
      if(trueType.isShort() && falseType.isByte()) return trueType;
      if((trueType.isByte() || trueType.isShort() || trueType.isChar()) && 
         falseType.isInt() && getFalseExpr().isConstant() && getFalseExpr().representableIn(trueType))
        return trueType;
      if((falseType.isByte() || falseType.isShort() || falseType.isChar()) && 
         trueType.isInt() && getTrueExpr().isConstant() && getTrueExpr().representableIn(falseType))
        return falseType;
      return trueType.binaryNumericPromotion(falseType);
    }
    else if(trueType.isBoolean() && falseType.isBoolean()) {
      return trueType;
    }
    else if(trueType.isReferenceType() && falseType.isNull()) {
      return trueType;
    }
    else if(trueType.isNull() && falseType.isReferenceType()) {
      return falseType;
    }
    else if(trueType.isReferenceType() && falseType.isReferenceType()) {
      if(trueType.assignConversionTo(falseType, null))
        return falseType;
      if(falseType.assignConversionTo(trueType, null))
        return trueType;
      return unknownType();
    }
    else
      return unknownType();
  }

    // Declared in DefiniteAssignment.jrag at line 390
    public boolean Define_boolean_isDAbefore(ASTNode caller, ASTNode child, Variable v) {
        if(caller == getFalseExprNoTransform()) {
            return getCondition().isDAafterFalse(v);
        }
        if(caller == getTrueExprNoTransform()) {
            return getCondition().isDAafterTrue(v);
        }
        if(caller == getConditionNoTransform()) {
            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 DefiniteAssignment.jrag at line 824
    public boolean Define_boolean_isDUbefore(ASTNode caller, ASTNode child, Variable v) {
        if(caller == getFalseExprNoTransform()) {
            return getCondition().isDUafterFalse(v);
        }
        if(caller == getTrueExprNoTransform()) {
            return getCondition().isDUafterTrue(v);
        }
        if(caller == getConditionNoTransform()) {
            return isDUbefore(v);
        }
        if(getParent() == null) throw new RuntimeException("Trying to evaluate attribute in subtree not attached to main tree");        return getParent().Define_boolean_isDUbefore(this, caller, v);
    }

public ASTNode rewriteTo() {
    return super.rewriteTo();
}

}