org.extendj.ast.InferredLambdaParameters Maven / Gradle / Ivy
/* This file was generated with JastAdd2 (http://jastadd.org) version 2.3.0 */
package org.extendj.ast;
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.Collection;
import java.util.Collections;
import java.util.HashSet;
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.util.LinkedHashSet;
import java.util.*;
import org.jastadd.util.PrettyPrintable;
import org.jastadd.util.PrettyPrinter;
import java.util.zip.*;
import java.io.*;
import org.jastadd.util.*;
import java.io.BufferedInputStream;
import java.io.DataInputStream;
/**
* @ast node
* @declaredat /home/jesper/git/extendj/java8/grammar/Lambda.ast:8
* @astdecl InferredLambdaParameters : LambdaParameters ::= Parameter:InferredParameterDeclaration*;
* @production InferredLambdaParameters : {@link LambdaParameters} ::= Parameter:{@link InferredParameterDeclaration}*;
*/
public class InferredLambdaParameters extends LambdaParameters implements Cloneable {
/**
* @aspect Java8PrettyPrint
* @declaredat /home/jesper/git/extendj/java8/frontend/PrettyPrint.jadd:85
*/
public void prettyPrint(PrettyPrinter out) {
out.print("(");
out.join(getParameters(), new PrettyPrinter.Joiner() {
@Override
public void printSeparator(PrettyPrinter out) {
out.print(", ");
}
});
out.print(")");
}
/**
* @aspect PrettyPrintUtil8
* @declaredat /home/jesper/git/extendj/java8/frontend/PrettyPrintUtil.jadd:41
*/
@Override public String toString() {
int numParams = 0;
StringBuilder params = new StringBuilder();
for (InferredParameterDeclaration param : getParameterListNoTransform()) {
if (numParams > 0) {
params.append(", ");
}
params.append(param.toString());
numParams += 1;
}
if (numParams == 1) {
return params.toString();
} else {
return String.format("(%s)", params.toString());
}
}
/**
* @aspect LambdaToClass
* @declaredat /home/jesper/git/extendj/java8/frontend/LambdaAnonymousDecl.jrag:121
*/
protected List toParameterList() {
List paramList = new List();
FunctionDescriptor fd = enclosingLambda().targetInterface().functionDescriptor();
if (fd.method.hasValue()) {
MethodDecl targetMethod = fd.method.get();
int i = 0;
for (InferredParameterDeclaration infDecl : getParameterList()) {
ParameterDeclaration funcDecl = targetMethod.getParameter(i);
paramList.add(
new ParameterDeclaration(funcDecl.type().createQualifiedAccess(), infDecl.name()));
i += 1;
}
}
return paramList;
}
/**
* @declaredat ASTNode:1
*/
public InferredLambdaParameters() {
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];
setChild(new List(), 0);
}
/**
* @declaredat ASTNode:14
*/
@ASTNodeAnnotation.Constructor(
name = {"Parameter"},
type = {"List"},
kind = {"List"}
)
public InferredLambdaParameters(List p0) {
setChild(p0, 0);
}
/** @apilevel low-level
* @declaredat ASTNode:23
*/
protected int numChildren() {
return 1;
}
/**
* @apilevel internal
* @declaredat ASTNode:29
*/
public boolean mayHaveRewrite() {
return false;
}
/** @apilevel internal
* @declaredat ASTNode:33
*/
public void flushAttrCache() {
super.flushAttrCache();
numParameters_reset();
congruentTo_FunctionDescriptor_reset();
parameterDeclaration_String_reset();
}
/** @apilevel internal
* @declaredat ASTNode:40
*/
public void flushCollectionCache() {
super.flushCollectionCache();
}
/** @apilevel internal
* @declaredat ASTNode:44
*/
public InferredLambdaParameters clone() throws CloneNotSupportedException {
InferredLambdaParameters node = (InferredLambdaParameters) super.clone();
return node;
}
/** @apilevel internal
* @declaredat ASTNode:49
*/
public InferredLambdaParameters copy() {
try {
InferredLambdaParameters node = (InferredLambdaParameters) 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:68
*/
@Deprecated
public InferredLambdaParameters 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:78
*/
public InferredLambdaParameters treeCopyNoTransform() {
InferredLambdaParameters tree = (InferredLambdaParameters) 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:98
*/
public InferredLambdaParameters treeCopy() {
InferredLambdaParameters tree = (InferredLambdaParameters) 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:112
*/
protected boolean is$Equal(ASTNode node) {
return super.is$Equal(node);
}
/**
* Replaces the Parameter list.
* @param list The new list node to be used as the Parameter list.
* @apilevel high-level
*/
public void setParameterList(List list) {
setChild(list, 0);
}
/**
* Retrieves the number of children in the Parameter list.
* @return Number of children in the Parameter list.
* @apilevel high-level
*/
public int getNumParameter() {
return getParameterList().getNumChild();
}
/**
* Retrieves the number of children in the Parameter list.
* Calling this method will not trigger rewrites.
* @return Number of children in the Parameter list.
* @apilevel low-level
*/
public int getNumParameterNoTransform() {
return getParameterListNoTransform().getNumChildNoTransform();
}
/**
* Retrieves the element at index {@code i} in the Parameter list.
* @param i Index of the element to return.
* @return The element at position {@code i} in the Parameter list.
* @apilevel high-level
*/
public InferredParameterDeclaration getParameter(int i) {
return (InferredParameterDeclaration) getParameterList().getChild(i);
}
/**
* Check whether the Parameter list has any children.
* @return {@code true} if it has at least one child, {@code false} otherwise.
* @apilevel high-level
*/
public boolean hasParameter() {
return getParameterList().getNumChild() != 0;
}
/**
* Append an element to the Parameter list.
* @param node The element to append to the Parameter list.
* @apilevel high-level
*/
public void addParameter(InferredParameterDeclaration node) {
List list = (parent == null) ? getParameterListNoTransform() : getParameterList();
list.addChild(node);
}
/** @apilevel low-level
*/
public void addParameterNoTransform(InferredParameterDeclaration node) {
List list = getParameterListNoTransform();
list.addChild(node);
}
/**
* Replaces the Parameter list element at index {@code i} with the new node {@code node}.
* @param node The new node to replace the old list element.
* @param i The list index of the node to be replaced.
* @apilevel high-level
*/
public void setParameter(InferredParameterDeclaration node, int i) {
List list = getParameterList();
list.setChild(node, i);
}
/**
* Retrieves the Parameter list.
* @return The node representing the Parameter list.
* @apilevel high-level
*/
@ASTNodeAnnotation.ListChild(name="Parameter")
public List getParameterList() {
List list = (List) getChild(0);
return list;
}
/**
* Retrieves the Parameter list.
* This method does not invoke AST transformations.
* @return The node representing the Parameter list.
* @apilevel low-level
*/
public List getParameterListNoTransform() {
return (List) getChildNoTransform(0);
}
/**
* @return the element at index {@code i} in the Parameter list without
* triggering rewrites.
*/
public InferredParameterDeclaration getParameterNoTransform(int i) {
return (InferredParameterDeclaration) getParameterListNoTransform().getChildNoTransform(i);
}
/**
* Retrieves the Parameter list.
* @return The node representing the Parameter list.
* @apilevel high-level
*/
public List getParameters() {
return getParameterList();
}
/**
* Retrieves the Parameter list.
* This method does not invoke AST transformations.
* @return The node representing the Parameter list.
* @apilevel low-level
*/
public List getParametersNoTransform() {
return getParameterListNoTransform();
}
/** @apilevel internal */
private void numParameters_reset() {
numParameters_computed = null;
}
/** @apilevel internal */
protected ASTState.Cycle numParameters_computed = null;
/** @apilevel internal */
protected int numParameters_value;
/**
* @attribute syn
* @aspect LambdaExpr
* @declaredat /home/jesper/git/extendj/java8/frontend/LambdaExpr.jrag:47
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="LambdaExpr", declaredAt="/home/jesper/git/extendj/java8/frontend/LambdaExpr.jrag:47")
public int numParameters() {
ASTState state = state();
if (numParameters_computed == ASTState.NON_CYCLE || numParameters_computed == state().cycle()) {
return numParameters_value;
}
numParameters_value = getNumParameter();
if (state().inCircle()) {
numParameters_computed = state().cycle();
} else {
numParameters_computed = ASTState.NON_CYCLE;
}
return numParameters_value;
}
/** @apilevel internal */
private void congruentTo_FunctionDescriptor_reset() {
congruentTo_FunctionDescriptor_computed = null;
congruentTo_FunctionDescriptor_values = null;
}
/** @apilevel internal */
protected java.util.Map congruentTo_FunctionDescriptor_values;
/** @apilevel internal */
protected java.util.Map congruentTo_FunctionDescriptor_computed;
/**
* @attribute syn
* @aspect LambdaExpr
* @declaredat /home/jesper/git/extendj/java8/frontend/LambdaExpr.jrag:53
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="LambdaExpr", declaredAt="/home/jesper/git/extendj/java8/frontend/LambdaExpr.jrag:53")
public boolean congruentTo(FunctionDescriptor fd) {
Object _parameters = fd;
if (congruentTo_FunctionDescriptor_computed == null) congruentTo_FunctionDescriptor_computed = new java.util.HashMap(4);
if (congruentTo_FunctionDescriptor_values == null) congruentTo_FunctionDescriptor_values = new java.util.HashMap(4);
ASTState state = state();
if (congruentTo_FunctionDescriptor_values.containsKey(_parameters)
&& congruentTo_FunctionDescriptor_computed.containsKey(_parameters)
&& (congruentTo_FunctionDescriptor_computed.get(_parameters) == ASTState.NON_CYCLE || congruentTo_FunctionDescriptor_computed.get(_parameters) == state().cycle())) {
return (Boolean) congruentTo_FunctionDescriptor_values.get(_parameters);
}
boolean congruentTo_FunctionDescriptor_value = congruentTo_compute(fd);
if (state().inCircle()) {
congruentTo_FunctionDescriptor_values.put(_parameters, congruentTo_FunctionDescriptor_value);
congruentTo_FunctionDescriptor_computed.put(_parameters, state().cycle());
} else {
congruentTo_FunctionDescriptor_values.put(_parameters, congruentTo_FunctionDescriptor_value);
congruentTo_FunctionDescriptor_computed.put(_parameters, ASTState.NON_CYCLE);
}
return congruentTo_FunctionDescriptor_value;
}
/** @apilevel internal */
private boolean congruentTo_compute(FunctionDescriptor fd) {
if (fd.method.hasValue()) {
return numParameters() == fd.method.get().getNumParameter();
} else {
return false;
}
}
/** @apilevel internal */
private void parameterDeclaration_String_reset() {
parameterDeclaration_String_computed = null;
parameterDeclaration_String_values = null;
}
/** @apilevel internal */
protected java.util.Map parameterDeclaration_String_values;
/** @apilevel internal */
protected java.util.Map parameterDeclaration_String_computed;
/**
* @attribute syn
* @aspect VariableScope
* @declaredat /home/jesper/git/extendj/java8/frontend/LookupVariable.jrag:47
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="VariableScope", declaredAt="/home/jesper/git/extendj/java8/frontend/LookupVariable.jrag:47")
public SimpleSet parameterDeclaration(String name) {
Object _parameters = name;
if (parameterDeclaration_String_computed == null) parameterDeclaration_String_computed = new java.util.HashMap(4);
if (parameterDeclaration_String_values == null) parameterDeclaration_String_values = new java.util.HashMap(4);
ASTState state = state();
if (parameterDeclaration_String_values.containsKey(_parameters)
&& parameterDeclaration_String_computed.containsKey(_parameters)
&& (parameterDeclaration_String_computed.get(_parameters) == ASTState.NON_CYCLE || parameterDeclaration_String_computed.get(_parameters) == state().cycle())) {
return (SimpleSet) parameterDeclaration_String_values.get(_parameters);
}
SimpleSet parameterDeclaration_String_value = parameterDeclaration_compute(name);
if (state().inCircle()) {
parameterDeclaration_String_values.put(_parameters, parameterDeclaration_String_value);
parameterDeclaration_String_computed.put(_parameters, state().cycle());
} else {
parameterDeclaration_String_values.put(_parameters, parameterDeclaration_String_value);
parameterDeclaration_String_computed.put(_parameters, ASTState.NON_CYCLE);
}
return parameterDeclaration_String_value;
}
/** @apilevel internal */
private SimpleSet parameterDeclaration_compute(String name) {
for (int i = 0; i < getNumParameter(); i++) {
if (getParameter(i).name().equals(name)) {
return (InferredParameterDeclaration) getParameter(i);
}
}
return emptySet();
}
/**
* @attribute syn
* @aspect Java8NameCheck
* @declaredat /home/jesper/git/extendj/java8/frontend/NameCheck.jrag:560
*/
@ASTNodeAnnotation.Attribute(kind=ASTNodeAnnotation.Kind.SYN)
@ASTNodeAnnotation.Source(aspect="Java8NameCheck", declaredAt="/home/jesper/git/extendj/java8/frontend/NameCheck.jrag:560")
public Collection nameProblems() {
{
for (int i = 0; i < getNumParameter(); i++) {
if (getParameter(i).name().equals("_")) {
// 15.27.1
return Collections.singletonList(
error("Underscore is not a valid identifier for a lambda parameter"));
}
}
return Collections.emptyList();
}
}
/**
* @declaredat /home/jesper/git/extendj/java8/frontend/EffectivelyFinal.jrag:30
* @apilevel internal
*/
public boolean Define_inhModifiedInScope(ASTNode _callerNode, ASTNode _childNode, Variable var) {
if (_callerNode == getParameterListNoTransform()) {
// @declaredat /home/jesper/git/extendj/java8/frontend/EffectivelyFinal.jrag:37
int childIndex = _callerNode.getIndexOfChild(_childNode);
return inhModifiedInScope(var);
}
else {
return getParent().Define_inhModifiedInScope(this, _callerNode, var);
}
}
/**
* @declaredat /home/jesper/git/extendj/java8/frontend/EffectivelyFinal.jrag:30
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute inhModifiedInScope
*/
protected boolean canDefine_inhModifiedInScope(ASTNode _callerNode, ASTNode _childNode, Variable var) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:96
* @apilevel internal
*/
public SimpleSet Define_lookupVariable(ASTNode _callerNode, ASTNode _childNode, String name) {
if (_callerNode == getParameterListNoTransform()) {
// @declaredat /home/jesper/git/extendj/java8/frontend/LookupVariable.jrag:35
int childIndex = _callerNode.getIndexOfChild(_childNode);
return parameterDeclaration(name);
}
else {
return getParent().Define_lookupVariable(this, _callerNode, name);
}
}
/**
* @declaredat /home/jesper/git/extendj/java7/backend/MultiCatch.jrag:96
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute lookupVariable
*/
protected boolean canDefine_lookupVariable(ASTNode _callerNode, ASTNode _childNode, String name) {
return true;
}
/**
* @declaredat /home/jesper/git/extendj/java8/frontend/TypeCheck.jrag:506
* @apilevel internal
*/
public TypeDecl Define_inferredType(ASTNode _callerNode, ASTNode _childNode) {
if (_callerNode == getParameterListNoTransform()) {
// @declaredat /home/jesper/git/extendj/java8/frontend/TypeCheck.jrag:507
int i = _callerNode.getIndexOfChild(_childNode);
{
if (enclosingLambda().targetInterface() == null) {
return unknownType();
}
InterfaceDecl iDecl = (InterfaceDecl) enclosingLambda().targetInterface();
if (!iDecl.isFunctional()) {
return unknownType();
} else {
FunctionDescriptor fd = iDecl.functionDescriptor();
if (fd.method.hasValue()) {
MethodDecl targetMethod = fd.method.get();
if (targetMethod.getNumParameter() < i + 1) {
return unknownType();
} else {
// The target functional interface matches this lambda.
return targetMethod.getParameter(i).type();
}
} else {
// No target method.
return unknownType();
}
}
}
}
else {
return getParent().Define_inferredType(this, _callerNode);
}
}
/**
* @declaredat /home/jesper/git/extendj/java8/frontend/TypeCheck.jrag:506
* @apilevel internal
* @return {@code true} if this node has an equation for the inherited attribute inferredType
*/
protected boolean canDefine_inferredType(ASTNode _callerNode, ASTNode _childNode) {
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/java8/frontend/NameCheck.jrag:558
{
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);
for (Problem value : nameProblems()) {
collection.add(value);
}
}
}