org.extendj.ast.MinusExpr 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:229
* @astdecl MinusExpr : Unary;
* @production MinusExpr : {@link Unary};
*/
public class MinusExpr extends Unary implements Cloneable {
/**
* @aspect CodeGeneration
* @declaredat /home/jesper/git/extendj/java4/backend/CodeGeneration.jrag:461
*/
void emitOperation(CodeGeneration gen) { type().neg(gen); }
/**
* @declaredat ASTNode:1
*/
public MinusExpr() {
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[1];
}
/**
* @declaredat ASTNode:13
*/
@ASTNodeAnnotation.Constructor(
name = {"Operand"},
type = {"Expr"},
kind = {"Child"}
)
public MinusExpr(Expr p0) {
setChild(p0, 0);
}
/** @apilevel low-level
* @declaredat ASTNode:22
*/
protected int numChildren() {
return 1;
}
/**
* @apilevel internal
* @declaredat ASTNode:28
*/
public boolean mayHaveRewrite() {
return true;
}
/** @apilevel internal
* @declaredat ASTNode:32
*/
public void flushAttrCache() {
super.flushAttrCache();
rewrittenNode_reset();
type_reset();
}
/** @apilevel internal
* @declaredat ASTNode:38
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:42
*/
public MinusExpr clone() throws CloneNotSupportedException {
MinusExpr node = (MinusExpr) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:47
*/
public MinusExpr copy() {
try {
MinusExpr node = (MinusExpr) 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 MinusExpr 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 MinusExpr treeCopyNoTransform() {
MinusExpr tree = (MinusExpr) 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 MinusExpr treeCopy() {
MinusExpr tree = (MinusExpr) 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 Operand child.
* @param node The new node to replace the Operand child.
* @apilevel high-level
*/
public void setOperand(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Operand child.
* @return The current node used as the Operand child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="Operand")
public Expr getOperand() {
return (Expr) getChild(0);
}
/**
* Retrieves the Operand child.
* This method does not invoke AST transformations.
* @return The current node used as the Operand child.
* @apilevel low-level
*/
public Expr getOperandNoTransform() {
return (Expr) getChildNoTransform(0);
}
/** @apilevel internal */
private void type_reset() {
type_computed = null;
type_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle type_computed = null;
/** @apilevel internal */
protected TypeDecl type_value;
/**
* @attribute syn
* @aspect TypeAnalysis
* @declaredat /home/jesper/git/extendj/java4/frontend/TypeAnalysis.jrag:296
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="TypeAnalysis", declaredAt="/home/jesper/git/extendj/java4/frontend/TypeAnalysis.jrag:296")
public TypeDecl type() {
ASTState state = state();
if (type_computed == ASTState.NON_CYCLE || type_computed == state().cycle()) {
return type_value;
}
type_value = getOperand().type().unaryNumericPromotion();
if (state().inCircle()) {
type_computed = state().cycle();
} else {
type_computed = ASTState.NON_CYCLE;
}
return type_value;
}
/**
* @attribute syn
* @aspect PrettyPrintUtil
* @declaredat /home/jesper/git/extendj/java4/frontend/PrettyPrintUtil.jrag:317
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="PrettyPrintUtil", declaredAt="/home/jesper/git/extendj/java4/frontend/PrettyPrintUtil.jrag:317")
public String printPreOp() {
String printPreOp_value = "-";
return printPreOp_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().minus(getOperand().constant());
return constant_value;
}
/**
* @attribute syn
* @aspect ConstantExpression
* @declaredat /home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:383
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="ConstantExpression", declaredAt="/home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:383")
public boolean isConstant() {
boolean isConstant_value = getOperand().isConstant();
return isConstant_value;
}
/** @apilevel internal */
public ASTNode rewriteTo() {
// Declared at /home/jesper/git/extendj/java4/frontend/UnaryMinusRewrite.jrag:38
if (getOperand() instanceof IntegerLiteral
&& ((IntegerLiteral) getOperand()).isDecimal()
&& getOperand().isPositive()) {
return rewriteRule0();
}
// Declared at /home/jesper/git/extendj/java4/frontend/UnaryMinusRewrite.jrag:48
if (getOperand() instanceof LongLiteral
&& ((LongLiteral) getOperand()).isDecimal()
&& getOperand().isPositive()) {
return rewriteRule1();
}
return super.rewriteTo();
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/UnaryMinusRewrite.jrag:38
* @apilevel internal
*/
private IntegerLiteral rewriteRule0() {
{
IntegerLiteral original = (IntegerLiteral) getOperand();
return new IntegerLiteral("-" + original.getLITERAL());
} }
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/UnaryMinusRewrite.jrag:48
* @apilevel internal
*/
private LongLiteral rewriteRule1() {
{
LongLiteral original = (LongLiteral) getOperand();
return new LongLiteral("-" + original.getLITERAL());
} }
/** @apilevel internal */
public boolean canRewrite() {
// Declared at /home/jesper/git/extendj/java4/frontend/UnaryMinusRewrite.jrag:38
if (getOperand() instanceof IntegerLiteral
&& ((IntegerLiteral) getOperand()).isDecimal()
&& getOperand().isPositive()) {
return true;
}
// Declared at /home/jesper/git/extendj/java4/frontend/UnaryMinusRewrite.jrag:48
if (getOperand() instanceof LongLiteral
&& ((LongLiteral) getOperand()).isDecimal()
&& getOperand().isPositive()) {
return true;
}
return false;
}
/** @apilevel internal */
protected void collect_contributors_CompilationUnit_problems(CompilationUnit _root, java.util.Map> _map) {
// @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:383
if (!getOperand().type().isNumericType()) {
{
java.util.Set contributors = _map.get(_root);
if (contributors == null) {
contributors = new java.util.LinkedHashSet();
_map.put((ASTNode) _root, contributors);
}
contributors.add(this);
}
}
super.collect_contributors_CompilationUnit_problems(_root, _map);
}
/** @apilevel internal */
protected void contributeTo_CompilationUnit_problems(LinkedList collection) {
super.contributeTo_CompilationUnit_problems(collection);
if (!getOperand().type().isNumericType()) {
collection.add(error("unary minus only operates on numeric types"));
}
}
/** @apilevel internal */
private void rewrittenNode_reset() {
rewrittenNode_computed = false;
rewrittenNode_initialized = false;
rewrittenNode_value = null;
rewrittenNode_cycle = null;
}
/** @apilevel internal */
protected ASTState.Cycle rewrittenNode_cycle = null;
/** @apilevel internal */
protected boolean rewrittenNode_computed = false;
/** @apilevel internal */
protected ASTNode rewrittenNode_value;
/** @apilevel internal */
protected boolean rewrittenNode_initialized = false;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true, isNTA=true)
@ASTNodeAnnotation.Source(aspect="", declaredAt=":0")
public ASTNode rewrittenNode() {
if (rewrittenNode_computed) {
return rewrittenNode_value;
}
ASTState state = state();
if (!rewrittenNode_initialized) {
rewrittenNode_initialized = true;
rewrittenNode_value = this;
if (rewrittenNode_value != null) {
rewrittenNode_value.setParent(getParent());
}
}
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
do {
rewrittenNode_cycle = state.nextCycle();
ASTNode new_rewrittenNode_value = rewrittenNode_value.rewriteTo();
if (new_rewrittenNode_value != rewrittenNode_value || new_rewrittenNode_value.canRewrite()) {
state.setChangeInCycle();
}
rewrittenNode_value = new_rewrittenNode_value;
if (rewrittenNode_value != null) {
rewrittenNode_value.setParent(getParent());
}
} while (state.testAndClearChangeInCycle());
rewrittenNode_computed = true;
state.leaveCircle();
} else if (rewrittenNode_cycle != state.cycle()) {
rewrittenNode_cycle = state.cycle();
ASTNode new_rewrittenNode_value = rewrittenNode_value.rewriteTo();
if (new_rewrittenNode_value != rewrittenNode_value || new_rewrittenNode_value.canRewrite()) {
state.setChangeInCycle();
}
rewrittenNode_value = new_rewrittenNode_value;
if (rewrittenNode_value != null) {
rewrittenNode_value.setParent(getParent());
}
} else {
}
return rewrittenNode_value;
}
}