org.extendj.ast.AddExpr 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:248
* @astdecl AddExpr : AdditiveExpr;
* @production AddExpr : {@link AdditiveExpr};
*/
public class AddExpr extends AdditiveExpr implements Cloneable {
/**
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1104
*/
public void createBCode(CodeGeneration gen) {
if (!type().isString()) {
super.createBCode(gen);
} else if (isConstant()) {
StringLiteral.push(gen, constant().stringValue());
} else {
// TODO(joqvist): use StringBuilder instead. No need for synchronization.
TypeDecl stringBuffer = lookupType("java.lang", "StringBuffer");
String classname = stringBuffer.constantPoolName();
String desc;
int index;
TypeDecl argumentType;
if (firstStringAddPart()) {
gen.NEW(stringBuffer); // new StringBuffer
gen.DUP();
desc = "()V";
index = gen.constantPool().addMethodref(classname, "", desc);
gen.INVOKESPECIAL_void(index, 1); // StringBuffer.();
gen.initializedRef(stringBuffer);
getLeftOperand().createBCode(gen);
argumentType = getLeftOperand().type().stringPromotion();
desc = "(" + argumentType.typeDescriptor() + ")" + stringBuffer.typeDescriptor();
index = gen.constantPool().addMethodref(classname, "append", desc);
gen.INVOKEVIRTUAL(index, 2, stringBuffer); // StringBuffer.append
} else {
getLeftOperand().createBCode(gen);
}
getRightOperand().createBCode(gen);
argumentType = getRightOperand().type().stringPromotion();
desc = "(" + argumentType.typeDescriptor() + ")" + stringBuffer.typeDescriptor();
index = gen.constantPool().addMethodref(classname, "append", desc);
gen.INVOKEVIRTUAL(index, 2, stringBuffer);
if (lastStringAddPart()) {
desc = "()" + type().typeDescriptor();
index = gen.constantPool().addMethodref(classname, "toString", desc);
gen.INVOKEVIRTUAL(index, 1, lookupType("java.lang", "String"));
}
}
}
/**
* @aspect CodeGeneration
* @declaredat /home/jesper/git/extendj/java4/backend/CodeGeneration.jrag:467
*/
void emitOperation(CodeGeneration gen) { type().add(gen); }
/**
* @declaredat ASTNode:1
*/
public AddExpr() {
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 AddExpr(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();
type_reset();
}
/** @apilevel internal
* @declaredat ASTNode:38
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:42
*/
public AddExpr clone() throws CloneNotSupportedException {
AddExpr node = (AddExpr) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:47
*/
public AddExpr copy() {
try {
AddExpr node = (AddExpr) 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 AddExpr 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 AddExpr treeCopyNoTransform() {
AddExpr tree = (AddExpr) 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 AddExpr treeCopy() {
AddExpr tree = (AddExpr) 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);
}
/** @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 = type_compute();
if (state().inCircle()) {
type_computed = state().cycle();
} else {
type_computed = ASTState.NON_CYCLE;
}
return type_value;
}
/** @apilevel internal */
private TypeDecl type_compute() {
TypeDecl left = getLeftOperand().type();
TypeDecl right = getRightOperand().type();
if (!left.isString() && !right.isString()) {
return super.type();
} else {
if (left.isVoid() || right.isVoid()) {
return unknownType();
}
// pick the string type
return left.isString() ? left : right;
}
}
/**
* @attribute syn
* @aspect TypeCheck
* @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:221
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="TypeCheck", declaredAt="/home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:221")
public Collection typeProblems() {
{
Collection problems = new LinkedList();
TypeDecl left = getLeftOperand().type();
TypeDecl right = getRightOperand().type();
if (!left.isString() && !right.isString()) {
return super.typeProblems();
} else if (left.isVoid()) {
problems.add(error("The type void of the left hand side is not numeric"));
} else if (right.isVoid()) {
problems.add(error("The type void of the right hand side is not numeric"));
}
return problems;
}
}
/** 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().add(getLeftOperand().constant(), getRightOperand().constant());
return constant_value;
}
/**
* @attribute syn
* @aspect InnerClasses
* @declaredat /home/jesper/git/extendj/java4/backend/InnerClasses.jrag:128
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="InnerClasses", declaredAt="/home/jesper/git/extendj/java4/backend/InnerClasses.jrag:128")
public boolean isStringAdd() {
boolean isStringAdd_value = type().isString() && !isConstant();
return isStringAdd_value;
}
/**
* @attribute syn
* @aspect InnerClasses
* @declaredat /home/jesper/git/extendj/java4/backend/InnerClasses.jrag:131
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="InnerClasses", declaredAt="/home/jesper/git/extendj/java4/backend/InnerClasses.jrag:131")
public boolean firstStringAddPart() {
boolean firstStringAddPart_value = type().isString() && !getLeftOperand().isStringAdd();
return firstStringAddPart_value;
}
/**
* @attribute syn
* @aspect InnerClasses
* @declaredat /home/jesper/git/extendj/java4/backend/InnerClasses.jrag:132
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="InnerClasses", declaredAt="/home/jesper/git/extendj/java4/backend/InnerClasses.jrag:132")
public boolean lastStringAddPart() {
boolean lastStringAddPart_value = !getParent().isStringAdd();
return lastStringAddPart_value;
}
/**
* @declaredat /home/jesper/git/extendj/java5/frontend/GenericMethodsInference.jrag:69
* @apilevel internal
*/
public TypeDecl Define_assignConvertedType(ASTNode _callerNode, ASTNode _childNode) {
if (getRightOperandNoTransform() != null && _callerNode == getRightOperand()) {
// @declaredat /home/jesper/git/extendj/java5/frontend/GenericMethodsInference.jrag:81
return getLeftOperand().type().isString() ? typeObject() : typeNull();
}
else if (getLeftOperandNoTransform() != null && _callerNode == getLeftOperand()) {
// @declaredat /home/jesper/git/extendj/java5/frontend/GenericMethodsInference.jrag:77
return getRightOperand().type().isString() ? typeObject() : typeNull();
}
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;
}
}