org.extendj.ast.ConditionalExpr 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:277
* @astdecl ConditionalExpr : Expr ::= Condition:Expr TrueExpr:Expr FalseExpr:Expr;
* @production ConditionalExpr : {@link Expr} ::= Condition:{@link Expr} TrueExpr:{@link Expr} FalseExpr:{@link Expr};
*/
public class ConditionalExpr extends Expr implements Cloneable {
/**
* @aspect Java4PrettyPrint
* @declaredat /home/jesper/git/extendj/java4/frontend/PrettyPrint.jadd:236
*/
public void prettyPrint(PrettyPrinter out) {
out.print(getCondition());
out.print(" ? ");
out.print(getTrueExpr());
out.print(" : ");
out.print(getFalseExpr());
}
/**
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1197
*/
public void createBCode(CodeGeneration gen) {
int end_label = -1;
int false_label = -1;
if (!getCondition().isConstant()) {
false_label = gen.constantPool().newLabel();
getCondition().branchFalse(gen, false_label);
}
if (getCondition().canBeTrue()) {
getTrueExpr().createBCode(gen);
getTrueExpr().emitCastTo(gen, type());
if (getCondition().canBeFalse()) {
end_label = gen.constantPool().newLabel();
gen.GOTO(end_label);
}
}
if (false_label != -1) {
gen.addLabel(false_label);
}
if (getCondition().canBeFalse()) {
getFalseExpr().createBCode(gen);
getFalseExpr().emitCastTo(gen, type());
}
if (end_label != -1) {
gen.addLabel(end_label);
}
}
/**
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1287
*/
public void branchTrue(CodeGeneration gen, int target) {
// Branch when true.
int else_label = -1;
int end_label = -1;
if (!getCondition().isConstant()) {
else_label = gen.constantPool().newLabel();
getCondition().branchFalse(gen, else_label);
}
if (getCondition().canBeTrue()) {
getTrueExpr().branchTrue(gen, target);
if (getCondition().canBeFalse() && getTrueExpr().canBeFalse()) {
end_label = gen.constantPool().newLabel();
gen.GOTO(end_label);
}
}
if (else_label != -1) {
gen.addLabel(else_label);
}
if (getCondition().canBeFalse()) {
getFalseExpr().branchTrue(gen, target);
}
if (end_label != -1) {
gen.addLabel(end_label);
}
}
/**
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1398
*/
public void branchFalse(CodeGeneration gen, int target) {
// Branch when false.
int else_label = -1;
int end_label = -1;
if (!getCondition().isConstant()) {
else_label = gen.constantPool().newLabel();
getCondition().branchFalse(gen, else_label);
}
if (getCondition().canBeTrue()) {
getTrueExpr().branchFalse(gen, target);
if (getCondition().canBeFalse() && getTrueExpr().canBeTrue()) {
end_label = gen.constantPool().newLabel();
gen.GOTO(end_label);
}
}
if (else_label != -1) {
gen.addLabel(else_label);
}
if (getCondition().canBeFalse()) {
getFalseExpr().branchFalse(gen, target);
}
if (end_label != -1) {
gen.addLabel(end_label);
}
}
/**
* @aspect AutoBoxingCodegen
* @declaredat /home/jesper/git/extendj/java5/backend/AutoBoxingCodegen.jrag:453
*/
public void emitBooleanCondition(CodeGeneration gen) {
super.emitBooleanCondition(gen);
if (type().isReferenceType()) {
type().emitBoxingOperation(gen);
}
}
/**
* @declaredat ASTNode:1
*/
public ConditionalExpr() {
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[3];
}
/**
* @declaredat ASTNode:13
*/
@ASTNodeAnnotation.Constructor(
name = {"Condition", "TrueExpr", "FalseExpr"},
type = {"Expr", "Expr", "Expr"},
kind = {"Child", "Child", "Child"}
)
public ConditionalExpr(Expr p0, Expr p1, Expr p2) {
setChild(p0, 0);
setChild(p1, 1);
setChild(p2, 2);
}
/** @apilevel low-level
* @declaredat ASTNode:24
*/
protected int numChildren() {
return 3;
}
/**
* @apilevel internal
* @declaredat ASTNode:30
*/
public boolean mayHaveRewrite() {
return false;
}
/** @apilevel internal
* @declaredat ASTNode:34
*/
public void flushAttrCache() {
super.flushAttrCache();
type_reset();
constant_reset();
isConstant_reset();
booleanOperator_reset();
unassignedAfterTrue_Variable_reset();
unassignedAfterFalse_Variable_reset();
unassignedAfter_Variable_reset();
}
/** @apilevel internal
* @declaredat ASTNode:45
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:49
*/
public ConditionalExpr clone() throws CloneNotSupportedException {
ConditionalExpr node = (ConditionalExpr) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:54
*/
public ConditionalExpr copy() {
try {
ConditionalExpr node = (ConditionalExpr) 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:73
*/
@Deprecated
public ConditionalExpr 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:83
*/
public ConditionalExpr treeCopyNoTransform() {
ConditionalExpr tree = (ConditionalExpr) 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:103
*/
public ConditionalExpr treeCopy() {
ConditionalExpr tree = (ConditionalExpr) 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:117
*/
protected boolean is$Equal(ASTNode node) {
return super.is$Equal(node);
}
/**
* Replaces the Condition child.
* @param node The new node to replace the Condition child.
* @apilevel high-level
*/
public void setCondition(Expr node) {
setChild(node, 0);
}
/**
* Retrieves the Condition child.
* @return The current node used as the Condition child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="Condition")
public Expr getCondition() {
return (Expr) getChild(0);
}
/**
* Retrieves the Condition child.
* This method does not invoke AST transformations.
* @return The current node used as the Condition child.
* @apilevel low-level
*/
public Expr getConditionNoTransform() {
return (Expr) getChildNoTransform(0);
}
/**
* Replaces the TrueExpr child.
* @param node The new node to replace the TrueExpr child.
* @apilevel high-level
*/
public void setTrueExpr(Expr node) {
setChild(node, 1);
}
/**
* Retrieves the TrueExpr child.
* @return The current node used as the TrueExpr child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="TrueExpr")
public Expr getTrueExpr() {
return (Expr) getChild(1);
}
/**
* Retrieves the TrueExpr child.
* This method does not invoke AST transformations.
* @return The current node used as the TrueExpr child.
* @apilevel low-level
*/
public Expr getTrueExprNoTransform() {
return (Expr) getChildNoTransform(1);
}
/**
* Replaces the FalseExpr child.
* @param node The new node to replace the FalseExpr child.
* @apilevel high-level
*/
public void setFalseExpr(Expr node) {
setChild(node, 2);
}
/**
* Retrieves the FalseExpr child.
* @return The current node used as the FalseExpr child.
* @apilevel high-level
*/
@ASTNodeAnnotation.Child(name="FalseExpr")
public Expr getFalseExpr() {
return (Expr) getChild(2);
}
/**
* Retrieves the FalseExpr child.
* This method does not invoke AST transformations.
* @return The current node used as the FalseExpr child.
* @apilevel low-level
*/
public Expr getFalseExprNoTransform() {
return (Expr) getChildNoTransform(2);
}
/**
* @aspect AutoBoxing
* @declaredat /home/jesper/git/extendj/java5/frontend/AutoBoxing.jrag:249
*/
private TypeDecl refined_AutoBoxing_ConditionalExpr_type()
{
TypeDecl second = getTrueExpr().type();
TypeDecl third = getFalseExpr().type();
if (second == third) {
return second;
} else if (second.isReferenceType() && third.isNull()) {
return second;
} else if (second.isNull() && third.isReferenceType()) {
return third;
}
if (second.isPrimitiveType()) {
if (!second.isNull() && third.isNull()) {
return second.boxed();
}
} else if (!second.unboxed().isUnknown()) {
second = second.unboxed();
}
if (third.isPrimitiveType()) {
if (!third.isNull() && second.isNull()) {
return third.boxed();
}
} else if (!third.unboxed().isUnknown()) {
third = third.unboxed();
}
return conditionalExprType(second, third);
}
/** @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 type = refined_AutoBoxing_ConditionalExpr_type();
if (type.isUnknown()) {
TypeDecl trueType = getTrueExpr().type();
TypeDecl falseType = getFalseExpr().type();
if (!trueType.isReferenceType() && !trueType.boxed().isUnknown()) {
trueType = trueType.boxed();
}
if (!falseType.isReferenceType() && !falseType.boxed().isUnknown()) {
falseType = falseType.boxed();
}
ArrayList list = new ArrayList();
list.add(trueType);
list.add(falseType);
return type.lookupLUBType(list).lub();
}
return type;
}
/**
* Returns the type of a conditional expression, given the types of the
* second and third operands.
* @attribute syn
* @aspect TypeAnalysis
* @declaredat /home/jesper/git/extendj/java4/frontend/TypeAnalysis.jrag:396
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="TypeAnalysis", declaredAt="/home/jesper/git/extendj/java4/frontend/TypeAnalysis.jrag:396")
public TypeDecl conditionalExprType(TypeDecl second, TypeDecl third) {
{
if (second == third) {
return second;
}
if (second.isNumericType() && third.isNumericType()) {
if (second.isByte() && third.isShort()) {
return third;
}
if (second.isShort() && third.isByte()) {
return second;
}
if ((second.isByte() || second.isShort() || second.isChar())
&& third.isInt() && getFalseExpr().isConstant()
&& getFalseExpr().representableIn(second)) {
return second;
}
if ((third.isByte() || third.isShort() || third.isChar())
&& second.isInt() && getTrueExpr().isConstant()
&& getTrueExpr().representableIn(third)) {
return third;
}
return second.binaryNumericPromotion(third);
} else if (second.isBoolean() && third.isBoolean()) {
return second;
} else if (second.isReferenceType() && third.isNull()) {
return second;
} else if (second.isNull() && third.isReferenceType()) {
return third;
} else if (second.isReferenceType() && third.isReferenceType()) {
if (second.assignConversionTo(third, null)) {
return third;
}
if (third.assignConversionTo(second, null)) {
return second;
}
return unknownType();
} else {
return unknownType();
}
}
}
/** @apilevel internal */
private void constant_reset() {
constant_computed = null;
constant_value = null;
}
/** @apilevel internal */
protected ASTState.Cycle constant_computed = null;
/** @apilevel internal */
protected Constant constant_value;
/**
* @attribute syn
* @aspect ConstantExpression
* @declaredat /home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:85
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="ConstantExpression", declaredAt="/home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:85")
public Constant constant() {
ASTState state = state();
if (constant_computed == ASTState.NON_CYCLE || constant_computed == state().cycle()) {
return constant_value;
}
constant_value = type().questionColon(getCondition().constant(),
getTrueExpr().constant(),getFalseExpr().constant());
if (state().inCircle()) {
constant_computed = state().cycle();
} else {
constant_computed = ASTState.NON_CYCLE;
}
return constant_value;
}
/** @apilevel internal */
private void isConstant_reset() {
isConstant_computed = null;
}
/** @apilevel internal */
protected ASTState.Cycle isConstant_computed = null;
/** @apilevel internal */
protected boolean isConstant_value;
/**
* @attribute syn
* @aspect ConstantExpression
* @declaredat /home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:406
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="ConstantExpression", declaredAt="/home/jesper/git/extendj/java4/frontend/ConstantExpression.jrag:406")
public boolean isConstant() {
ASTState state = state();
if (isConstant_computed == ASTState.NON_CYCLE || isConstant_computed == state().cycle()) {
return isConstant_value;
}
isConstant_value = getCondition().isConstant() && getTrueExpr().isConstant() && getFalseExpr().isConstant();
if (state().inCircle()) {
isConstant_computed = state().cycle();
} else {
isConstant_computed = ASTState.NON_CYCLE;
}
return isConstant_value;
}
/** @apilevel internal */
private void booleanOperator_reset() {
booleanOperator_computed = null;
}
/** @apilevel internal */
protected ASTState.Cycle booleanOperator_computed = null;
/** @apilevel internal */
protected boolean booleanOperator_value;
/**
* @attribute syn
* @aspect DefiniteAssignment
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:253
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="DefiniteAssignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:253")
public boolean booleanOperator() {
ASTState state = state();
if (booleanOperator_computed == ASTState.NON_CYCLE || booleanOperator_computed == state().cycle()) {
return booleanOperator_value;
}
booleanOperator_value = getTrueExpr().type().isBoolean() && getFalseExpr().type().isBoolean();
if (state().inCircle()) {
booleanOperator_computed = state().cycle();
} else {
booleanOperator_computed = ASTState.NON_CYCLE;
}
return booleanOperator_value;
}
/**
* @attribute syn
* @aspect DefiniteAssignment
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:375
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="DefiniteAssignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:375")
public boolean assignedAfterTrue(Variable v) {
boolean assignedAfterTrue_Variable_value = isFalse() || (getTrueExpr().assignedAfterTrue(v) && getFalseExpr().assignedAfterTrue(v));
return assignedAfterTrue_Variable_value;
}
/**
* @attribute syn
* @aspect DefiniteAssignment
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:377
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="DefiniteAssignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:377")
public boolean assignedAfterFalse(Variable v) {
boolean assignedAfterFalse_Variable_value = isTrue() || (getTrueExpr().assignedAfterFalse(v) && getFalseExpr().assignedAfterFalse(v));
return assignedAfterFalse_Variable_value;
}
/**
* @attribute syn
* @aspect DefiniteAssignment
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:268
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="DefiniteAssignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:268")
public boolean assignedAfter(Variable v) {
boolean assignedAfter_Variable_value = booleanOperator()
? assignedAfterTrue(v) && assignedAfterFalse(v)
: getTrueExpr().assignedAfter(v) && getFalseExpr().assignedAfter(v);
return assignedAfter_Variable_value;
}
/** @apilevel internal */
private void unassignedAfterTrue_Variable_reset() {
unassignedAfterTrue_Variable_values = null;
}
protected java.util.Map unassignedAfterTrue_Variable_values;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true)
@ASTNodeAnnotation.Source(aspect="DefiniteUnassignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:905")
public boolean unassignedAfterTrue(Variable v) {
Object _parameters = v;
if (unassignedAfterTrue_Variable_values == null) unassignedAfterTrue_Variable_values = new java.util.HashMap(4);
ASTState.CircularValue _value;
if (unassignedAfterTrue_Variable_values.containsKey(_parameters)) {
Object _cache = unassignedAfterTrue_Variable_values.get(_parameters);
if (!(_cache instanceof ASTState.CircularValue)) {
return (Boolean) _cache;
} else {
_value = (ASTState.CircularValue) _cache;
}
} else {
_value = new ASTState.CircularValue();
unassignedAfterTrue_Variable_values.put(_parameters, _value);
_value.value = true;
}
ASTState state = state();
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
boolean new_unassignedAfterTrue_Variable_value;
do {
_value.cycle = state.nextCycle();
new_unassignedAfterTrue_Variable_value = getTrueExpr().unassignedAfterTrue(v) && getFalseExpr().unassignedAfterTrue(v);
if (((Boolean)_value.value) != new_unassignedAfterTrue_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfterTrue_Variable_value;
}
} while (state.testAndClearChangeInCycle());
unassignedAfterTrue_Variable_values.put(_parameters, new_unassignedAfterTrue_Variable_value);
state.leaveCircle();
return new_unassignedAfterTrue_Variable_value;
} else if (_value.cycle != state.cycle()) {
_value.cycle = state.cycle();
boolean new_unassignedAfterTrue_Variable_value = getTrueExpr().unassignedAfterTrue(v) && getFalseExpr().unassignedAfterTrue(v);
if (((Boolean)_value.value) != new_unassignedAfterTrue_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfterTrue_Variable_value;
}
return new_unassignedAfterTrue_Variable_value;
} else {
return (Boolean) _value.value;
}
}
/** @apilevel internal */
private void unassignedAfterFalse_Variable_reset() {
unassignedAfterFalse_Variable_values = null;
}
protected java.util.Map unassignedAfterFalse_Variable_values;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true)
@ASTNodeAnnotation.Source(aspect="DefiniteUnassignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:907")
public boolean unassignedAfterFalse(Variable v) {
Object _parameters = v;
if (unassignedAfterFalse_Variable_values == null) unassignedAfterFalse_Variable_values = new java.util.HashMap(4);
ASTState.CircularValue _value;
if (unassignedAfterFalse_Variable_values.containsKey(_parameters)) {
Object _cache = unassignedAfterFalse_Variable_values.get(_parameters);
if (!(_cache instanceof ASTState.CircularValue)) {
return (Boolean) _cache;
} else {
_value = (ASTState.CircularValue) _cache;
}
} else {
_value = new ASTState.CircularValue();
unassignedAfterFalse_Variable_values.put(_parameters, _value);
_value.value = true;
}
ASTState state = state();
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
boolean new_unassignedAfterFalse_Variable_value;
do {
_value.cycle = state.nextCycle();
new_unassignedAfterFalse_Variable_value = getTrueExpr().unassignedAfterFalse(v) && getFalseExpr().unassignedAfterFalse(v);
if (((Boolean)_value.value) != new_unassignedAfterFalse_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfterFalse_Variable_value;
}
} while (state.testAndClearChangeInCycle());
unassignedAfterFalse_Variable_values.put(_parameters, new_unassignedAfterFalse_Variable_value);
state.leaveCircle();
return new_unassignedAfterFalse_Variable_value;
} else if (_value.cycle != state.cycle()) {
_value.cycle = state.cycle();
boolean new_unassignedAfterFalse_Variable_value = getTrueExpr().unassignedAfterFalse(v) && getFalseExpr().unassignedAfterFalse(v);
if (((Boolean)_value.value) != new_unassignedAfterFalse_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfterFalse_Variable_value;
}
return new_unassignedAfterFalse_Variable_value;
} else {
return (Boolean) _value.value;
}
}
/** @apilevel internal */
private void unassignedAfter_Variable_reset() {
unassignedAfter_Variable_values = null;
}
protected java.util.Map unassignedAfter_Variable_values;
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN, isCircular=true)
@ASTNodeAnnotation.Source(aspect="DefiniteUnassignment", declaredAt="/home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:899")
public boolean unassignedAfter(Variable v) {
Object _parameters = v;
if (unassignedAfter_Variable_values == null) unassignedAfter_Variable_values = new java.util.HashMap(4);
ASTState.CircularValue _value;
if (unassignedAfter_Variable_values.containsKey(_parameters)) {
Object _cache = unassignedAfter_Variable_values.get(_parameters);
if (!(_cache instanceof ASTState.CircularValue)) {
return (Boolean) _cache;
} else {
_value = (ASTState.CircularValue) _cache;
}
} else {
_value = new ASTState.CircularValue();
unassignedAfter_Variable_values.put(_parameters, _value);
_value.value = true;
}
ASTState state = state();
if (!state.inCircle() || state.calledByLazyAttribute()) {
state.enterCircle();
boolean new_unassignedAfter_Variable_value;
do {
_value.cycle = state.nextCycle();
new_unassignedAfter_Variable_value = booleanOperator()
? unassignedAfterTrue(v) && unassignedAfterFalse(v)
: getTrueExpr().unassignedAfter(v) && getFalseExpr().unassignedAfter(v);
if (((Boolean)_value.value) != new_unassignedAfter_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfter_Variable_value;
}
} while (state.testAndClearChangeInCycle());
unassignedAfter_Variable_values.put(_parameters, new_unassignedAfter_Variable_value);
state.leaveCircle();
return new_unassignedAfter_Variable_value;
} else if (_value.cycle != state.cycle()) {
_value.cycle = state.cycle();
boolean new_unassignedAfter_Variable_value = booleanOperator()
? unassignedAfterTrue(v) && unassignedAfterFalse(v)
: getTrueExpr().unassignedAfter(v) && getFalseExpr().unassignedAfter(v);
if (((Boolean)_value.value) != new_unassignedAfter_Variable_value) {
state.setChangeInCycle();
_value.value = new_unassignedAfter_Variable_value;
}
return new_unassignedAfter_Variable_value;
} else {
return (Boolean) _value.value;
}
}
/**
* @attribute syn
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1144
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="CreateBCode", declaredAt="/home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1144")
public boolean canBeTrue() {
boolean canBeTrue_value = type().isBoolean()
&& (getCondition().canBeTrue() && getTrueExpr().canBeTrue()
|| getCondition().canBeFalse() && getFalseExpr().canBeTrue());
return canBeTrue_value;
}
/**
* @attribute syn
* @aspect CreateBCode
* @declaredat /home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1156
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="CreateBCode", declaredAt="/home/jesper/git/extendj/java4/backend/CreateBCode.jrag:1156")
public boolean canBeFalse() {
boolean canBeFalse_value = type().isBoolean()
&& (getCondition().canBeTrue() && getTrueExpr().canBeFalse()
|| getCondition().canBeFalse() && getFalseExpr().canBeFalse());
return canBeFalse_value;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:256
* @apilevel internal
*/
public boolean Define_assignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
if (getFalseExprNoTransform() != null && _callerNode == getFalseExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:463
return getCondition().assignedAfterFalse(v);
}
else if (getTrueExprNoTransform() != null && _callerNode == getTrueExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:461
return getCondition().assignedAfterTrue(v);
}
else if (getConditionNoTransform() != null && _callerNode == getCondition()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:459
return assignedBefore(v);
}
else {
return getParent().Define_assignedBefore(this, _callerNode, v);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:256
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute assignedBefore
*/
protected boolean canDefine_assignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:887
* @apilevel internal
*/
public boolean Define_unassignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
if (getFalseExprNoTransform() != null && _callerNode == getFalseExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1059
return getCondition().unassignedAfterFalse(v);
}
else if (getTrueExprNoTransform() != null && _callerNode == getTrueExpr()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1056
return getCondition().unassignedAfterTrue(v);
}
else if (getConditionNoTransform() != null && _callerNode == getCondition()) {
// @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:1054
return unassignedBefore(v);
}
else {
return getParent().Define_unassignedBefore(this, _callerNode, v);
}
}
/**
* @declaredat /home/jesper/git/extendj/java4/frontend/DefiniteAssignment.jrag:887
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute unassignedBefore
*/
protected boolean canDefine_unassignedBefore(ASTNode _callerNode, ASTNode _childNode, Variable v) {
return true;
}
/** @apilevel internal */
public ASTNode rewriteTo() {
return super.rewriteTo();
}
/** @apilevel internal */
public boolean canRewrite() {
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:738
if (!getCondition().type().isBoolean()) {
{
java.util.Set contributors = _map.get(_root);
if (contributors == null) {
contributors = new java.util.LinkedHashSet();
_map.put((ASTNode) _root, contributors);
}
contributors.add(this);
}
}
// @declaredat /home/jesper/git/extendj/java4/frontend/TypeCheck.jrag:743
if (type().isUnknown() && !getTrueExpr().type().isUnknown()
&& !getFalseExpr().type().isUnknown()) {
{
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 (!getCondition().type().isBoolean()) {
collection.add(error("The first operand of a conditional expression must be a boolean"));
}
if (type().isUnknown() && !getTrueExpr().type().isUnknown()
&& !getFalseExpr().type().isUnknown()) {
collection.add(error("The types of the second and third operand in "
+ "this conditional expression do not match"));
}
}
}