org.extendj.ast.AssignSimpleExpr 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 org.jastadd.util.PrettyPrintable;
import org.jastadd.util.PrettyPrinter;
import org.jastadd.util.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.InputStream;
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;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
/**
* @ast node
* @declaredat /home/jesper/git/extendj/java4/grammar/Java.ast:198
* @astdecl AssignSimpleExpr : AssignExpr;
* @production AssignSimpleExpr : {@link AssignExpr};
*/
public class AssignSimpleExpr extends AssignExpr implements Cloneable {
/**
* Create bytecode for a simple assign expression.
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:343
*/
public void createBCode(CodeGeneration gen) {
getDest().createAssignSimpleLoadDest(gen);
getSource().createBCode(gen);
getSource().emitAssignConvTo(gen, getDest().type());
if (needsPush()) {
getDest().createPushAssignmentResult(gen);
}
getDest().emitStore(gen);
}
/**
* @declaredat ASTNode:1
*/
public AssignSimpleExpr() {
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 = {"Dest", "Source"},
type = {"Expr", "Expr"},
kind = {"Child", "Child"}
)
public AssignSimpleExpr(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();
}
/** @apilevel internal
* @declaredat ASTNode:37
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:41
*/
public AssignSimpleExpr clone() throws CloneNotSupportedException {
AssignSimpleExpr node = (AssignSimpleExpr) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:46
*/
public AssignSimpleExpr copy() {
try {
AssignSimpleExpr node = (AssignSimpleExpr) 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:65
*/
@Deprecated
public AssignSimpleExpr 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:75
*/
public AssignSimpleExpr treeCopyNoTransform() {
AssignSimpleExpr tree = (AssignSimpleExpr) 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:95
*/
public AssignSimpleExpr treeCopy() {
AssignSimpleExpr tree = (AssignSimpleExpr) 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:109
*/
protected boolean is$Equal(ASTNode node) {
return super.is$Equal(node);
}
/**
* Replaces the Dest child.
* @param node The new node to replace the Dest child.
* @apilevel high-level
*/
public void setDest(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Dest child.
* @return The current node used as the Dest child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="Dest")
public Expr getDest() {
return (Expr) getChild(0);
}
/**
* Retrieves the Dest child.
* This method does not invoke AST transformations.
* @return The current node used as the Dest child.
* @apilevel low-level
*/
public Expr getDestNoTransform() {
return (Expr) getChildNoTransform(0);
}
/**
* Replaces the Source child.
* @param node The new node to replace the Source child.
* @apilevel high-level
*/
public void setSource(Expr node) {
setChild(node, 1);
}
/**
* Retrieves the Source child.
* @return The current node used as the Source child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="Source")
public Expr getSource() {
return (Expr) getChild(1);
}
/**
* Retrieves the Source child.
* This method does not invoke AST transformations.
* @return The current node used as the Source child.
* @apilevel low-level
*/
public Expr getSourceNoTransform() {
return (Expr) getChildNoTransform(1);
}
/**
* @attribute syn
* @aspect TypeCheck
* @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:77
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="TypeCheck", declaredAt="/home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:77")
public Collection typeProblems() {
{
Collection problems = new LinkedList();
if (!getDest().isVariable()) {
problems.add(error("left hand side is not a variable"));
} else if (!getSource().type().assignConversionTo(getDest().type(), getSource())
&& !getSource().type().isUnknown()) {
problems.add(errorf("can not assign %s of type %s a value of type %s",
getDest().prettyPrint(), getDest().type().typeName(), getSource().type().typeName()));
}
return problems;
}
}
/** The operator string used for pretty printing this expression.
* @attribute syn
* @aspect PrettyPrintUtil
* @declaredat /home/jesper/git/extendj/java4/frontend/PrettyPrintUtil.jrag:299
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="PrettyPrintUtil", declaredAt="/home/jesper/git/extendj/java4/frontend/PrettyPrintUtil.jrag:299")
public String printOp() {
String printOp_value = "=";
return printOp_value;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:34
* @apilevel internal
*/
public boolean Define_isDest(ASTNode _callerNode, ASTNode _childNode) {
if (getDestNoTransform() != null && _callerNode == getDest()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:36
return true;
}
else {
return super.Define_isDest(_callerNode, _childNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:34
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute isDest
*/
protected boolean canDefine_isDest(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:44
* @apilevel internal
*/
public boolean Define_isSource(ASTNode _callerNode, ASTNode _childNode) {
if (getDestNoTransform() != null && _callerNode == getDest()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:46
return false;
}
else {
return super.Define_isSource(_callerNode, _childNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:44
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute isSource
*/
protected boolean canDefine_isSource(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java5/frontend/GenericMethodsInference.jrag:69
* @apilevel internal
*/
public TypeDecl Define_assignConvertedType(ASTNode _callerNode, ASTNode _childNode) {
if (getSourceNoTransform() != null && _callerNode == getSource()) {
// @declaredat /home/jesper/git/extendj/java5/frontend/GenericMethodsInference.jrag:71
return getDest().type();
}
else {
return getParent().Define_assignConvertedType(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java5/frontend/GenericMethodsInference.jrag:69
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute assignConvertedType
*/
protected boolean canDefine_assignConvertedType(ASTNode _callerNode, ASTNode _childNode) {
return true;
}
/** @apilevel internal */
public ASTNode rewriteTo() {
return super.rewriteTo();
}
/** @apilevel internal */
public boolean canRewrite() {
return false;
}
}