org.extendj.ast.DivExpr Maven / Gradle / Ivy
/* This file was generated with JastAdd2 (http://jastadd.org) version 2.3.0 */
package org.extendj.ast;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.ArrayList;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.*;
import java.util.zip.*;
import java.io.*;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
import org.jastadd.util.PrettyPrintable;
import org.jastadd.util.PrettyPrinter;
import java.io.FileNotFoundException;
import java.io.InputStream;
import org.jastadd.util.*;
import java.io.File;
import java.io.IOException;
import java.util.Set;
import beaver.*;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentSkipListMap;
/**
* @ast node
* @declaredat /home/jesper/git/extendj/java4/grammar/Java.ast:245
* @astdecl DivExpr : MultiplicativeExpr;
* @production DivExpr : {@link MultiplicativeExpr};
*/
public class DivExpr extends MultiplicativeExpr implements Cloneable {
/**
* @aspect CodeGeneration
* @declaredat /home/jesper/git/extendj/java4/backend/CodeGeneration.jrag:470
*/
void emitOperation(CodeGeneration gen) { type().div(gen); }
/**
* @declaredat ASTNode:1
*/
public DivExpr() {
super();
}
/**
* Initializes the child array to the correct size.
* Initializes List and Opt nta children.
* @apilevel internal
* @ast method
* @declaredat ASTNode:10
*/
public void init$Children() {
children = new ASTNode[2];
}
/**
* @declaredat ASTNode:13
*/
@ASTNodeAnnotation.Constructor(
name = {"LeftOperand", "RightOperand"},
type = {"Expr", "Expr"},
kind = {"Child", "Child"}
)
public DivExpr(Expr p0, Expr p1) {
setChild(p0, 0);
setChild(p1, 1);
}
/** @apilevel low-level
* @declaredat ASTNode:23
*/
protected int numChildren() {
return 2;
}
/**
* @apilevel internal
* @declaredat ASTNode:29
*/
public boolean mayHaveRewrite() {
return false;
}
/** @apilevel internal
* @declaredat ASTNode:33
*/
public void flushAttrCache() {
super.flushAttrCache();
isConstant_reset();
}
/** @apilevel internal
* @declaredat ASTNode:38
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:42
*/
public DivExpr clone() throws CloneNotSupportedException {
DivExpr node = (DivExpr) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:47
*/
public DivExpr copy() {
try {
DivExpr node = (DivExpr) 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
* @deprecated Please use treeCopy or treeCopyNoTransform instead
* @declaredat ASTNode:66
*/
@Deprecated
public DivExpr fullCopy() {
return treeCopyNoTransform();
}
/**
* 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
* @declaredat ASTNode:76
*/
public DivExpr treeCopyNoTransform() {
DivExpr tree = (DivExpr) copy();
if (children != null) {
for (int i = 0; i < children.length; ++i) {
ASTNode child = (ASTNode) children[i];
if (child != null) {
child = child.treeCopyNoTransform();
tree.setChild(child, i);
}
}
}
return tree;
}
/**
* Create a deep copy of the AST subtree at this node.
* The subtree of this node is traversed to trigger rewrites before copy.
* The copy is dangling, i.e. has no parent.
* @return dangling copy of the subtree at this node
* @apilevel low-level
* @declaredat ASTNode:96
*/
public DivExpr treeCopy() {
DivExpr tree = (DivExpr) copy();
if (children != null) {
for (int i = 0; i < children.length; ++i) {
ASTNode child = (ASTNode) getChild(i);
if (child != null) {
child = child.treeCopy();
tree.setChild(child, i);
}
}
}
return tree;
}
/** @apilevel internal
* @declaredat ASTNode:110
*/
protected boolean is$Equal(ASTNode node) {
return super.is$Equal(node);
}
/**
* Replaces the LeftOperand child.
* @param node The new node to replace the LeftOperand child.
* @apilevel high-level
*/
public void setLeftOperand(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the LeftOperand child.
* @return The current node used as the LeftOperand child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="LeftOperand")
public Expr getLeftOperand() {
return (Expr) getChild(0);
}
/**
* Retrieves the LeftOperand child.
* This method does not invoke AST transformations.
* @return The current node used as the LeftOperand child.
* @apilevel low-level
*/
public Expr getLeftOperandNoTransform() {
return (Expr) getChildNoTransform(0);
}
/**
* Replaces the RightOperand child.
* @param node The new node to replace the RightOperand child.
* @apilevel high-level
*/
public void setRightOperand(Expr node) {
setChild(node, 1);
}
/**
* Retrieves the RightOperand child.
* @return The current node used as the RightOperand child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="RightOperand")
public Expr getRightOperand() {
return (Expr) getChild(1);
}
/**
* Retrieves the RightOperand child.
* This method does not invoke AST transformations.
* @return The current node used as the RightOperand child.
* @apilevel low-level
*/
public Expr getRightOperandNoTransform() {
return (Expr) getChildNoTransform(1);
}
/** The operator string used for pretty printing this expression.
* @attribute syn
* @aspect PrettyPrintUtil
* @declaredat /home/jesper/git/extendj/java4/frontend/PrettyPrintUtil.jrag:277
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="PrettyPrintUtil", declaredAt="/home/jesper/git/extendj/java4/frontend/PrettyPrintUtil.jrag:277")
public String printOp() {
String printOp_value = "/";
return printOp_value;
}
/**
* @attribute syn
* @aspect ConstantExpression
* @declaredat /home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:32
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="ConstantExpression", declaredAt="/home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:32")
public Constant constant() {
Constant constant_value = type().div(getLeftOperand().constant(), getRightOperand().constant());
return constant_value;
}
/** @apilevel internal */
protected ASTState.Cycle isConstant_cycle = null;
/** @apilevel internal */
private void isConstant_reset() {
isConstant_computed = false;
isConstant_initialized = false;
isConstant_cycle = null;
}
/** @apilevel internal */
protected boolean isConstant_computed = false;
/** @apilevel internal */
protected boolean isConstant_value;
/** @apilevel internal */
protected boolean isConstant_initialized = false;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true)
@ASTNodeAnnotation.Source(aspect="ConstantExpression", declaredAt="/home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:401")
public boolean isConstant() {
if (isConstant_computed) {
return isConstant_value;
}
ASTState state = state();
if (!isConstant_initialized) {
isConstant_initialized = true;
isConstant_value = false;
}
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
do {
isConstant_cycle = state.nextCycle();
boolean new_isConstant_value = getLeftOperand().isConstant()
&& getRightOperand().isConstant()
&& !(getRightOperand().type().isInt() && getRightOperand().constant().intValue() == 0);
if (isConstant_value != new_isConstant_value) {
state.setChangeInCycle();
}
isConstant_value = new_isConstant_value;
} while (state.testAndClearChangeInCycle());
isConstant_computed = true;
state.leaveCircle();
} else if (isConstant_cycle != state.cycle()) {
isConstant_cycle = state.cycle();
boolean new_isConstant_value = getLeftOperand().isConstant()
&& getRightOperand().isConstant()
&& !(getRightOperand().type().isInt() && getRightOperand().constant().intValue() == 0);
if (isConstant_value != new_isConstant_value) {
state.setChangeInCycle();
}
isConstant_value = new_isConstant_value;
} else {
}
return isConstant_value;
}
/** @apilevel internal */
public ASTNode rewriteTo() {
return super.rewriteTo();
}
/** @apilevel internal */
public boolean canRewrite() {
return false;
}
}