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/*
 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
 * Copyright (C) 2011, 2013-2023 The JavaParser Team.
 *
 * This file is part of JavaParser.
 *
 * JavaParser can be used either under the terms of
 * a) the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 * b) the terms of the Apache License
 *
 * You should have received a copy of both licenses in LICENCE.LGPL and
 * LICENCE.APACHE. Please refer to those files for details.
 *
 * JavaParser is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 */
package com.github.javaparser.printer;

import com.github.javaparser.GeneratedJavaParserConstants;
import com.github.javaparser.ast.*;
import com.github.javaparser.ast.body.*;
import com.github.javaparser.ast.comments.Comment;
import com.github.javaparser.ast.expr.*;
import com.github.javaparser.ast.modules.*;
import com.github.javaparser.ast.observer.ObservableProperty;
import com.github.javaparser.ast.stmt.*;
import com.github.javaparser.ast.type.*;
import com.github.javaparser.metamodel.JavaParserMetaModel;
import com.github.javaparser.printer.concretesyntaxmodel.CsmConditional;
import com.github.javaparser.printer.concretesyntaxmodel.CsmElement;
import com.github.javaparser.printer.concretesyntaxmodel.CsmMix;

import java.util.*;
import java.util.stream.Collectors;

import static com.github.javaparser.GeneratedJavaParserConstants.*;
import static com.github.javaparser.ast.observer.ObservableProperty.*;
import static com.github.javaparser.printer.concretesyntaxmodel.CsmConditional.Condition.*;
import static com.github.javaparser.printer.concretesyntaxmodel.CsmElement.*;

/**
 * The Concrete Syntax Model for a single node type. It knows the syntax used to represent a certain element in Java
 * code.
 */
public class ConcreteSyntaxModel {

    private static final Map concreteSyntaxModelByClass = new HashMap<>();

    private static Optional initializationError;

    private static CsmElement modifiers() {
        return list(ObservableProperty.MODIFIERS, space(), none(), space());
    }

    /**
     * Build a mix collecting all the elements specified.
     */
    private static CsmElement mix(CsmElement... elements) {
        return new CsmMix(Arrays.asList(elements));
    }

    private static CsmElement memberAnnotations() {
        return list(ObservableProperty.ANNOTATIONS, newline(), none(), newline());
    }

    private static CsmElement annotations() {
        return list(ObservableProperty.ANNOTATIONS, space(), none(), newline());
    }

    private static CsmElement typeParameters() {
        return list(ObservableProperty.TYPE_PARAMETERS, sequence(comma(), space()), token(GeneratedJavaParserConstants.LT), sequence(token(GeneratedJavaParserConstants.GT), space()));
    }

    private static CsmElement typeArguments() {
        return list(ObservableProperty.TYPE_ARGUMENTS, sequence(comma(), space()), token(GeneratedJavaParserConstants.LT), sequence(token(GeneratedJavaParserConstants.GT)));
    }

    static {
        // /
        // / Body
        // /
        concreteSyntaxModelByClass.put(AnnotationDeclaration.class, sequence(comment(), memberAnnotations(), modifiers(), token(GeneratedJavaParserConstants.AT), token(GeneratedJavaParserConstants.INTERFACE), space(), child(ObservableProperty.NAME), space(), token(LBRACE), newline(), indent(), list(ObservableProperty.MEMBERS, newline(), none(), none(), newline()), unindent(), token(RBRACE)));
        concreteSyntaxModelByClass.put(AnnotationMemberDeclaration.class, sequence(comment(), memberAnnotations(), modifiers(), child(ObservableProperty.TYPE), space(), child(ObservableProperty.NAME), token(LPAREN), token(RPAREN), conditional(ObservableProperty.DEFAULT_VALUE, IS_PRESENT, sequence(space(), token(GeneratedJavaParserConstants._DEFAULT), space(), child(DEFAULT_VALUE))), semicolon()));
        concreteSyntaxModelByClass.put(ClassOrInterfaceDeclaration.class, sequence(comment(), memberAnnotations(), modifiers(), conditional(ObservableProperty.INTERFACE, FLAG, token(GeneratedJavaParserConstants.INTERFACE), token(GeneratedJavaParserConstants.CLASS)), space(), child(ObservableProperty.NAME), list(TYPE_PARAMETERS, sequence(comma(), space()), string(GeneratedJavaParserConstants.LT), string(GeneratedJavaParserConstants.GT)), list(ObservableProperty.EXTENDED_TYPES, sequence(string(GeneratedJavaParserConstants.COMMA), space()), sequence(space(), token(GeneratedJavaParserConstants.EXTENDS), space()), none()), list(ObservableProperty.IMPLEMENTED_TYPES, sequence(string(GeneratedJavaParserConstants.COMMA), space()), sequence(space(), token(GeneratedJavaParserConstants.IMPLEMENTS), space()), none()), space(), block(sequence(newline(), list(ObservableProperty.MEMBERS, sequence(newline(), newline()), newline(), newline())))));
        concreteSyntaxModelByClass.put(ConstructorDeclaration.class, sequence(comment(), memberAnnotations(), modifiers(), typeParameters(), child(ObservableProperty.NAME), token(GeneratedJavaParserConstants.LPAREN), list(ObservableProperty.PARAMETERS, sequence(comma(), space()), none(), none()), token(GeneratedJavaParserConstants.RPAREN), list(ObservableProperty.THROWN_EXCEPTIONS, sequence(comma(), space()), sequence(space(), token(GeneratedJavaParserConstants.THROWS), space()), none()), space(), child(ObservableProperty.BODY)));
        concreteSyntaxModelByClass.put(RecordDeclaration.class, sequence(comment(), memberAnnotations(), modifiers(), token(GeneratedJavaParserConstants.RECORD), space(), child(ObservableProperty.NAME), token(GeneratedJavaParserConstants.LPAREN), list(ObservableProperty.PARAMETERS, sequence(comma(), space()), none(), none()), token(GeneratedJavaParserConstants.RPAREN), list(TYPE_PARAMETERS, sequence(comma(), space()), string(GeneratedJavaParserConstants.LT), string(GeneratedJavaParserConstants.GT)), list(ObservableProperty.IMPLEMENTED_TYPES, sequence(string(GeneratedJavaParserConstants.COMMA), space()), sequence(space(), token(GeneratedJavaParserConstants.IMPLEMENTS), space()), none()), space(), block(sequence(newline(), list(ObservableProperty.MEMBERS, sequence(newline(), newline()), newline(), newline())))));
        concreteSyntaxModelByClass.put(CompactConstructorDeclaration.class, sequence(comment(), memberAnnotations(), modifiers(), typeParameters(), child(ObservableProperty.NAME), list(ObservableProperty.THROWN_EXCEPTIONS, sequence(comma(), space()), sequence(space(), token(GeneratedJavaParserConstants.THROWS), space()), none()), space(), child(ObservableProperty.BODY)));
        concreteSyntaxModelByClass.put(EnumConstantDeclaration.class, sequence(comment(), memberAnnotations(), child(ObservableProperty.NAME), list(ObservableProperty.ARGUMENTS, sequence(comma(), space()), token(GeneratedJavaParserConstants.LPAREN), token(GeneratedJavaParserConstants.RPAREN)), conditional(CLASS_BODY, IS_NOT_EMPTY, sequence(space(), token(GeneratedJavaParserConstants.LBRACE), newline(), indent(), newline(), list(ObservableProperty.CLASS_BODY, newline(), newline(), none(), newline()), unindent(), token(RBRACE), newline()))));
        concreteSyntaxModelByClass.put(EnumDeclaration.class, sequence(comment(), annotations(), modifiers(), token(GeneratedJavaParserConstants.ENUM), space(), child(ObservableProperty.NAME), list(ObservableProperty.IMPLEMENTED_TYPES, sequence(comma(), space()), sequence(space(), token(GeneratedJavaParserConstants.IMPLEMENTS), space()), none()), space(), token(GeneratedJavaParserConstants.LBRACE), newline(), indent(), newline(), list(ObservableProperty.ENTRIES, sequence(comma(), newline()), none(), none()), conditional(ObservableProperty.MEMBERS, IS_EMPTY, conditional(ObservableProperty.ENTRIES, IS_NOT_EMPTY, newline()), sequence(semicolon(), newline(), newline(), list(ObservableProperty.MEMBERS, newline(), newline(), none(), newline()))), unindent(), token(RBRACE)));
        concreteSyntaxModelByClass.put(FieldDeclaration.class, sequence(orphanCommentsBeforeThis(), comment(), mix(annotations(), modifiers()), conditional(ObservableProperty.VARIABLES, IS_NOT_EMPTY, child(ObservableProperty.MAXIMUM_COMMON_TYPE)), space(), list(ObservableProperty.VARIABLES, sequence(comma(), space())), semicolon()));
        concreteSyntaxModelByClass.put(InitializerDeclaration.class, sequence(comment(), conditional(ObservableProperty.STATIC, FLAG, sequence(token(GeneratedJavaParserConstants.STATIC), space())), child(ObservableProperty.BODY)));
        concreteSyntaxModelByClass.put(MethodDeclaration.class, sequence(orphanCommentsBeforeThis(), comment(), mix(memberAnnotations(), modifiers()), typeParameters(), child(ObservableProperty.TYPE), space(), child(ObservableProperty.NAME), token(GeneratedJavaParserConstants.LPAREN), conditional(ObservableProperty.RECEIVER_PARAMETER, IS_PRESENT, sequence(child(ObservableProperty.RECEIVER_PARAMETER), comma(), space())), list(ObservableProperty.PARAMETERS, sequence(comma(), space()), none(), none()), token(GeneratedJavaParserConstants.RPAREN), list(ObservableProperty.THROWN_EXCEPTIONS, sequence(comma(), space()), sequence(space(), token(GeneratedJavaParserConstants.THROWS), space()), none()), conditional(ObservableProperty.BODY, IS_PRESENT, sequence(space(), child(ObservableProperty.BODY)), semicolon())));
        concreteSyntaxModelByClass.put(Parameter.class, sequence(comment(), list(ObservableProperty.ANNOTATIONS, space(), none(), space()), modifiers(), child(ObservableProperty.TYPE), conditional(ObservableProperty.VAR_ARGS, FLAG, sequence(list(ObservableProperty.VAR_ARGS_ANNOTATIONS, space(), none(), none()), token(GeneratedJavaParserConstants.ELLIPSIS))), space(), child(ObservableProperty.NAME)));
        concreteSyntaxModelByClass.put(ReceiverParameter.class, sequence(comment(), list(ObservableProperty.ANNOTATIONS, space(), none(), space()), child(ObservableProperty.TYPE), space(), child(ObservableProperty.NAME)));
        concreteSyntaxModelByClass.put(VariableDeclarator.class, sequence(comment(), child(ObservableProperty.NAME), // FIXME: we should introduce a derived property
        // list(ObservableProperty.EXTRA_ARRAY_LEVELS),
        conditional(ObservableProperty.INITIALIZER, IS_PRESENT, sequence(space(), token(GeneratedJavaParserConstants.ASSIGN), space(), child(ObservableProperty.INITIALIZER)))));
        // /
        // / Expressions
        // /
        concreteSyntaxModelByClass.put(ArrayAccessExpr.class, sequence(comment(), child(ObservableProperty.NAME), token(GeneratedJavaParserConstants.LBRACKET), child(ObservableProperty.INDEX), token(GeneratedJavaParserConstants.RBRACKET)));
        concreteSyntaxModelByClass.put(ArrayCreationExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.NEW), space(), child(ObservableProperty.ELEMENT_TYPE), list(ObservableProperty.LEVELS), conditional(ObservableProperty.INITIALIZER, IS_PRESENT, sequence(space(), child(ObservableProperty.INITIALIZER)))));
        concreteSyntaxModelByClass.put(ArrayInitializerExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.LBRACE), list(ObservableProperty.VALUES, sequence(comma(), space()), space(), space()), orphanCommentsEnding(), token(RBRACE)));
        concreteSyntaxModelByClass.put(AssignExpr.class, sequence(comment(), child(ObservableProperty.TARGET), space(), attribute(ObservableProperty.OPERATOR), space(), child(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(BinaryExpr.class, sequence(comment(), child(ObservableProperty.LEFT), space(), attribute(ObservableProperty.OPERATOR), space(), child(ObservableProperty.RIGHT)));
        concreteSyntaxModelByClass.put(BooleanLiteralExpr.class, sequence(comment(), attribute(VALUE)));
        concreteSyntaxModelByClass.put(CastExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.TYPE), token(GeneratedJavaParserConstants.RPAREN), space(), child(ObservableProperty.EXPRESSION)));
        concreteSyntaxModelByClass.put(CharLiteralExpr.class, sequence(comment(), charToken(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(ClassExpr.class, sequence(comment(), child(ObservableProperty.TYPE), token(GeneratedJavaParserConstants.DOT), token(GeneratedJavaParserConstants.CLASS)));
        concreteSyntaxModelByClass.put(ConditionalExpr.class, sequence(comment(), child(ObservableProperty.CONDITION), space(), token(GeneratedJavaParserConstants.HOOK), space(), child(ObservableProperty.THEN_EXPR), space(), token(GeneratedJavaParserConstants.COLON), space(), child(ObservableProperty.ELSE_EXPR)));
        concreteSyntaxModelByClass.put(DoubleLiteralExpr.class, sequence(comment(), attribute(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(EnclosedExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.INNER), token(GeneratedJavaParserConstants.RPAREN)));
        concreteSyntaxModelByClass.put(FieldAccessExpr.class, sequence(comment(), child(SCOPE), token(GeneratedJavaParserConstants.DOT), child(ObservableProperty.NAME)));
        concreteSyntaxModelByClass.put(InstanceOfExpr.class, sequence(comment(), child(ObservableProperty.EXPRESSION), space(), token(GeneratedJavaParserConstants.INSTANCEOF), space(), child(ObservableProperty.TYPE)));
        concreteSyntaxModelByClass.put(PatternExpr.class, sequence(child(ObservableProperty.TYPE), space(), child(ObservableProperty.NAME)));
        concreteSyntaxModelByClass.put(IntegerLiteralExpr.class, sequence(comment(), attribute(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(LambdaExpr.class, sequence(comment(), conditional(ObservableProperty.ENCLOSING_PARAMETERS, FLAG, token(GeneratedJavaParserConstants.LPAREN)), list(ObservableProperty.PARAMETERS, sequence(comma(), space())), conditional(ObservableProperty.ENCLOSING_PARAMETERS, FLAG, token(GeneratedJavaParserConstants.RPAREN)), space(), token(GeneratedJavaParserConstants.ARROW), space(), conditional(ObservableProperty.EXPRESSION_BODY, IS_PRESENT, child(ObservableProperty.EXPRESSION_BODY), child(ObservableProperty.BODY))));
        concreteSyntaxModelByClass.put(LongLiteralExpr.class, sequence(comment(), attribute(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(MarkerAnnotationExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.AT), attribute(ObservableProperty.NAME)));
        concreteSyntaxModelByClass.put(MemberValuePair.class, sequence(comment(), child(ObservableProperty.NAME), space(), token(GeneratedJavaParserConstants.ASSIGN), space(), child(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(MethodCallExpr.class, sequence(comment(), conditional(ObservableProperty.SCOPE, IS_PRESENT, sequence(child(ObservableProperty.SCOPE), token(GeneratedJavaParserConstants.DOT))), typeArguments(), child(ObservableProperty.NAME), token(GeneratedJavaParserConstants.LPAREN), list(ObservableProperty.ARGUMENTS, sequence(comma(), space()), none(), none()), token(GeneratedJavaParserConstants.RPAREN)));
        concreteSyntaxModelByClass.put(MethodReferenceExpr.class, sequence(comment(), child(ObservableProperty.SCOPE), token(GeneratedJavaParserConstants.DOUBLECOLON), typeArguments(), attribute(ObservableProperty.IDENTIFIER)));
        concreteSyntaxModelByClass.put(Modifier.class, attribute(ObservableProperty.KEYWORD));
        concreteSyntaxModelByClass.put(Name.class, sequence(comment(), conditional(ObservableProperty.QUALIFIER, IS_PRESENT, sequence(child(ObservableProperty.QUALIFIER), token(GeneratedJavaParserConstants.DOT))), attribute(ObservableProperty.IDENTIFIER), orphanCommentsEnding()));
        concreteSyntaxModelByClass.put(NameExpr.class, sequence(comment(), child(ObservableProperty.NAME), orphanCommentsEnding()));
        concreteSyntaxModelByClass.put(NormalAnnotationExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.AT), child(ObservableProperty.NAME), conditional(ObservableProperty.PAIRS, IS_NOT_EMPTY, token(GeneratedJavaParserConstants.LPAREN)), list(ObservableProperty.PAIRS, sequence(comma(), space())), conditional(ObservableProperty.PAIRS, IS_NOT_EMPTY, token(GeneratedJavaParserConstants.RPAREN))));
        concreteSyntaxModelByClass.put(NullLiteralExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.NULL)));
        concreteSyntaxModelByClass.put(ObjectCreationExpr.class, sequence(comment(), conditional(ObservableProperty.SCOPE, IS_PRESENT, sequence(child(ObservableProperty.SCOPE), token(GeneratedJavaParserConstants.DOT))), token(GeneratedJavaParserConstants.NEW), space(), list(ObservableProperty.TYPE_ARGUMENTS, sequence(comma(), space()), token(LT), token(GT)), conditional(ObservableProperty.TYPE_ARGUMENTS, IS_NOT_EMPTY, space()), child(ObservableProperty.TYPE), token(GeneratedJavaParserConstants.LPAREN), list(ObservableProperty.ARGUMENTS, sequence(comma(), space()), none(), none()), token(GeneratedJavaParserConstants.RPAREN), conditional(ObservableProperty.ANONYMOUS_CLASS_BODY, IS_PRESENT, sequence(space(), token(LBRACE), newline(), indent(), list(ObservableProperty.ANONYMOUS_CLASS_BODY, newline(), newline(), newline(), newline()), unindent(), token(RBRACE)))));
        concreteSyntaxModelByClass.put(SimpleName.class, attribute(ObservableProperty.IDENTIFIER));
        concreteSyntaxModelByClass.put(SingleMemberAnnotationExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.AT), child(ObservableProperty.NAME), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.MEMBER_VALUE), token(GeneratedJavaParserConstants.RPAREN)));
        concreteSyntaxModelByClass.put(StringLiteralExpr.class, sequence(comment(), stringToken(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(TextBlockLiteralExpr.class, sequence(comment(), textBlockToken(ObservableProperty.VALUE)));
        concreteSyntaxModelByClass.put(SuperExpr.class, sequence(comment(), conditional(TYPE_NAME, IS_PRESENT, sequence(child(TYPE_NAME), token(GeneratedJavaParserConstants.DOT))), token(GeneratedJavaParserConstants.SUPER)));
        concreteSyntaxModelByClass.put(ThisExpr.class, sequence(comment(), conditional(TYPE_NAME, IS_PRESENT, sequence(child(TYPE_NAME), token(GeneratedJavaParserConstants.DOT))), token(GeneratedJavaParserConstants.THIS)));
        concreteSyntaxModelByClass.put(TypeExpr.class, sequence(comment(), child(ObservableProperty.TYPE)));
        concreteSyntaxModelByClass.put(UnaryExpr.class, sequence(conditional(ObservableProperty.PREFIX, FLAG, attribute(ObservableProperty.OPERATOR)), child(ObservableProperty.EXPRESSION), conditional(ObservableProperty.POSTFIX, FLAG, attribute(ObservableProperty.OPERATOR))));
        concreteSyntaxModelByClass.put(VariableDeclarationExpr.class, sequence(comment(), list(ObservableProperty.ANNOTATIONS, space(), none(), space()), modifiers(), child(ObservableProperty.MAXIMUM_COMMON_TYPE), space(), list(ObservableProperty.VARIABLES, sequence(comma(), space()))));
        // /
        // / Statements
        // /
        concreteSyntaxModelByClass.put(AssertStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.ASSERT), space(), child(ObservableProperty.CHECK), conditional(ObservableProperty.MESSAGE, IS_PRESENT, sequence(space(), token(GeneratedJavaParserConstants.COLON), space(), child(ObservableProperty.MESSAGE))), semicolon()));
        concreteSyntaxModelByClass.put(BlockStmt.class, sequence(orphanCommentsBeforeThis(), comment(), token(GeneratedJavaParserConstants.LBRACE), newline(), list(ObservableProperty.STATEMENTS, newline(), indent(), sequence(newline(), unindent())), orphanCommentsEnding(), token(RBRACE)));
        concreteSyntaxModelByClass.put(BreakStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.BREAK), conditional(ObservableProperty.LABEL, IS_PRESENT, sequence(space(), child(ObservableProperty.LABEL))), semicolon()));
        concreteSyntaxModelByClass.put(CatchClause.class, sequence(comment(), space(), token(GeneratedJavaParserConstants.CATCH), space(), token(LPAREN), child(ObservableProperty.PARAMETER), token(RPAREN), space(), child(BODY)));
        concreteSyntaxModelByClass.put(ContinueStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.CONTINUE), conditional(ObservableProperty.LABEL, IS_PRESENT, sequence(space(), child(ObservableProperty.LABEL))), semicolon()));
        concreteSyntaxModelByClass.put(DoStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.DO), space(), child(ObservableProperty.BODY), space(), token(GeneratedJavaParserConstants.WHILE), space(), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.CONDITION), token(GeneratedJavaParserConstants.RPAREN), semicolon()));
        concreteSyntaxModelByClass.put(EmptyStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.SEMICOLON)));
        concreteSyntaxModelByClass.put(UnparsableStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.SEMICOLON)));
        concreteSyntaxModelByClass.put(ExplicitConstructorInvocationStmt.class, sequence(comment(), conditional(ObservableProperty.THIS, FLAG, sequence(typeArguments(), token(GeneratedJavaParserConstants.THIS)), sequence(conditional(ObservableProperty.EXPRESSION, IS_PRESENT, sequence(child(ObservableProperty.EXPRESSION), token(GeneratedJavaParserConstants.DOT))), typeArguments(), token(GeneratedJavaParserConstants.SUPER))), token(GeneratedJavaParserConstants.LPAREN), list(ObservableProperty.ARGUMENTS, sequence(comma(), space())), token(GeneratedJavaParserConstants.RPAREN), semicolon()));
        concreteSyntaxModelByClass.put(ExpressionStmt.class, sequence(orphanCommentsBeforeThis(), comment(), child(ObservableProperty.EXPRESSION), semicolon()));
        concreteSyntaxModelByClass.put(ForEachStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.FOR), space(), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.VARIABLE), space(), token(GeneratedJavaParserConstants.COLON), space(), child(ObservableProperty.ITERABLE), token(GeneratedJavaParserConstants.RPAREN), space(), child(ObservableProperty.BODY)));
        concreteSyntaxModelByClass.put(ForStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.FOR), space(), token(GeneratedJavaParserConstants.LPAREN), list(ObservableProperty.INITIALIZATION, sequence(comma(), space())), semicolon(), space(), child(ObservableProperty.COMPARE), semicolon(), space(), list(ObservableProperty.UPDATE, sequence(comma(), space())), token(GeneratedJavaParserConstants.RPAREN), space(), child(ObservableProperty.BODY)));
        concreteSyntaxModelByClass.put(IfStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.IF), space(), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.CONDITION), token(GeneratedJavaParserConstants.RPAREN), conditional(ObservableProperty.THEN_BLOCK, CsmConditional.Condition.FLAG, sequence(space(), child(ObservableProperty.THEN_STMT), conditional(ObservableProperty.ELSE_STMT, IS_PRESENT, space())), sequence(newline(), indent(), child(ObservableProperty.THEN_STMT), conditional(ObservableProperty.ELSE_STMT, IS_PRESENT, newline()), unindent())), conditional(ObservableProperty.ELSE_STMT, IS_PRESENT, sequence(token(GeneratedJavaParserConstants.ELSE), conditional(Arrays.asList(ObservableProperty.ELSE_BLOCK, ObservableProperty.CASCADING_IF_STMT), CsmConditional.Condition.FLAG, sequence(space(), child(ObservableProperty.ELSE_STMT)), sequence(newline(), indent(), child(ObservableProperty.ELSE_STMT), unindent()))))));
        concreteSyntaxModelByClass.put(LabeledStmt.class, sequence(comment(), child(ObservableProperty.LABEL), token(GeneratedJavaParserConstants.COLON), space(), child(ObservableProperty.STATEMENT)));
        concreteSyntaxModelByClass.put(LocalClassDeclarationStmt.class, sequence(comment(), child(ObservableProperty.CLASS_DECLARATION)));
        concreteSyntaxModelByClass.put(LocalRecordDeclarationStmt.class, sequence(comment(), child(ObservableProperty.RECORD_DECLARATION)));
        concreteSyntaxModelByClass.put(ReturnStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.RETURN), conditional(ObservableProperty.EXPRESSION, IS_PRESENT, sequence(space(), child(ObservableProperty.EXPRESSION))), semicolon()));
        concreteSyntaxModelByClass.put(YieldStmt.class, sequence(comment(), token(YIELD), conditional(ObservableProperty.EXPRESSION, IS_PRESENT, sequence(space(), child(ObservableProperty.EXPRESSION))), semicolon()));
        concreteSyntaxModelByClass.put(SwitchEntry.class, sequence(comment(), conditional(ObservableProperty.LABELS, IS_NOT_EMPTY, sequence(token(GeneratedJavaParserConstants.CASE), space(), list(ObservableProperty.LABELS), token(GeneratedJavaParserConstants.COLON)), sequence(token(GeneratedJavaParserConstants._DEFAULT), token(GeneratedJavaParserConstants.COLON))), newline(), indent(), list(ObservableProperty.STATEMENTS, newline(), none(), newline()), unindent()));
        concreteSyntaxModelByClass.put(SwitchStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.SWITCH), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.SELECTOR), token(GeneratedJavaParserConstants.RPAREN), space(), token(GeneratedJavaParserConstants.LBRACE), newline(), list(ObservableProperty.ENTRIES, none(), indent(), unindent()), token(GeneratedJavaParserConstants.RBRACE)));
        concreteSyntaxModelByClass.put(SwitchExpr.class, sequence(comment(), token(GeneratedJavaParserConstants.SWITCH), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.SELECTOR), token(GeneratedJavaParserConstants.RPAREN), space(), token(GeneratedJavaParserConstants.LBRACE), newline(), list(ObservableProperty.ENTRIES, none(), indent(), unindent()), token(GeneratedJavaParserConstants.RBRACE)));
        concreteSyntaxModelByClass.put(SynchronizedStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.SYNCHRONIZED), space(), token(LPAREN), child(EXPRESSION), token(RPAREN), space(), child(BODY)));
        concreteSyntaxModelByClass.put(ThrowStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.THROW), space(), child(ObservableProperty.EXPRESSION), semicolon()));
        concreteSyntaxModelByClass.put(TryStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.TRY), space(), conditional(ObservableProperty.RESOURCES, CsmConditional.Condition.IS_NOT_EMPTY, sequence(token(LPAREN), list(ObservableProperty.RESOURCES, sequence(semicolon(), newline()), indent(), unindent()), token(RPAREN), space())), child(ObservableProperty.TRY_BLOCK), list(ObservableProperty.CATCH_CLAUSES), conditional(ObservableProperty.FINALLY_BLOCK, IS_PRESENT, sequence(space(), token(GeneratedJavaParserConstants.FINALLY), space(), child(ObservableProperty.FINALLY_BLOCK)))));
        concreteSyntaxModelByClass.put(WhileStmt.class, sequence(comment(), token(GeneratedJavaParserConstants.WHILE), space(), token(GeneratedJavaParserConstants.LPAREN), child(ObservableProperty.CONDITION), token(GeneratedJavaParserConstants.RPAREN), space(), child(ObservableProperty.BODY)));
        // /
        // / Types
        // /
        concreteSyntaxModelByClass.put(ArrayType.class, sequence(child(ObservableProperty.COMPONENT_TYPE), list(ObservableProperty.ANNOTATIONS), string(GeneratedJavaParserConstants.LBRACKET), string(GeneratedJavaParserConstants.RBRACKET)));
        concreteSyntaxModelByClass.put(ClassOrInterfaceType.class, sequence(comment(), conditional(SCOPE, IS_PRESENT, sequence(child(SCOPE), string(GeneratedJavaParserConstants.DOT))), list(ANNOTATIONS, space(), none(), space()), child(NAME), conditional(ObservableProperty.USING_DIAMOND_OPERATOR, FLAG, sequence(string(GeneratedJavaParserConstants.LT), string(GeneratedJavaParserConstants.GT)), list(TYPE_ARGUMENTS, sequence(comma(), space()), string(GeneratedJavaParserConstants.LT), string(GeneratedJavaParserConstants.GT)))));
        concreteSyntaxModelByClass.put(IntersectionType.class, sequence(comment(), annotations(), list(ObservableProperty.ELEMENTS, sequence(space(), token(GeneratedJavaParserConstants.BIT_AND), space()))));
        concreteSyntaxModelByClass.put(PrimitiveType.class, sequence(comment(), list(ObservableProperty.ANNOTATIONS), attribute(ObservableProperty.TYPE)));
        concreteSyntaxModelByClass.put(TypeParameter.class, sequence(comment(), annotations(), child(ObservableProperty.NAME), list(ObservableProperty.TYPE_BOUND, sequence(space(), token(GeneratedJavaParserConstants.BIT_AND), space()), sequence(space(), token(GeneratedJavaParserConstants.EXTENDS), space()), none())));
        concreteSyntaxModelByClass.put(UnionType.class, sequence(comment(), annotations(), list(ObservableProperty.ELEMENTS, sequence(space(), token(GeneratedJavaParserConstants.BIT_OR), space()))));
        concreteSyntaxModelByClass.put(UnknownType.class, none());
        concreteSyntaxModelByClass.put(VoidType.class, sequence(comment(), annotations(), token(GeneratedJavaParserConstants.VOID)));
        concreteSyntaxModelByClass.put(VarType.class, sequence(comment(), annotations(), string(GeneratedJavaParserConstants.IDENTIFIER, "var")));
        concreteSyntaxModelByClass.put(WildcardType.class, sequence(comment(), annotations(), token(GeneratedJavaParserConstants.HOOK), conditional(ObservableProperty.EXTENDED_TYPE, IS_PRESENT, sequence(space(), token(GeneratedJavaParserConstants.EXTENDS), space(), child(EXTENDED_TYPE))), conditional(ObservableProperty.SUPER_TYPE, IS_PRESENT, sequence(space(), token(GeneratedJavaParserConstants.SUPER), space(), child(SUPER_TYPE)))));
        // /
        // / Top Level
        // /
        concreteSyntaxModelByClass.put(ArrayCreationLevel.class, sequence(annotations(), token(GeneratedJavaParserConstants.LBRACKET), child(ObservableProperty.DIMENSION), token(GeneratedJavaParserConstants.RBRACKET)));
        concreteSyntaxModelByClass.put(CompilationUnit.class, sequence(comment(), child(ObservableProperty.PACKAGE_DECLARATION), list(ObservableProperty.IMPORTS, newline(), none(), sequence(newline(), newline())), list(TYPES, newline(), newline(), none(), newline()), child(ObservableProperty.MODULE), orphanCommentsEnding()));
        concreteSyntaxModelByClass.put(ImportDeclaration.class, sequence(comment(), token(GeneratedJavaParserConstants.IMPORT), space(), conditional(ObservableProperty.STATIC, FLAG, sequence(token(GeneratedJavaParserConstants.STATIC), space())), child(ObservableProperty.NAME), conditional(ASTERISK, FLAG, sequence(token(GeneratedJavaParserConstants.DOT), token(GeneratedJavaParserConstants.STAR))), semicolon(), orphanCommentsEnding()));
        concreteSyntaxModelByClass.put(PackageDeclaration.class, sequence(comment(), memberAnnotations(), token(GeneratedJavaParserConstants.PACKAGE), space(), child(ObservableProperty.NAME), semicolon(), newline(), newline(), orphanCommentsEnding()));
        // /
        // / Module info
        // /
        concreteSyntaxModelByClass.put(ModuleDeclaration.class, sequence(memberAnnotations(), conditional(ObservableProperty.OPEN, FLAG, sequence(token(GeneratedJavaParserConstants.OPEN), space())), token(GeneratedJavaParserConstants.MODULE), space(), child(ObservableProperty.NAME), space(), token(GeneratedJavaParserConstants.LBRACE), newline(), indent(), list(ObservableProperty.DIRECTIVES), unindent(), token(GeneratedJavaParserConstants.RBRACE), newline()));
        concreteSyntaxModelByClass.put(ModuleExportsDirective.class, sequence(token(GeneratedJavaParserConstants.EXPORTS), space(), child(ObservableProperty.NAME), list(ObservableProperty.MODULE_NAMES, sequence(comma(), space()), sequence(space(), token(GeneratedJavaParserConstants.TO), space()), none()), semicolon(), newline()));
        concreteSyntaxModelByClass.put(ModuleOpensDirective.class, sequence(token(GeneratedJavaParserConstants.OPENS), space(), child(ObservableProperty.NAME), list(ObservableProperty.MODULE_NAMES, sequence(comma(), space()), sequence(space(), token(GeneratedJavaParserConstants.TO), space()), none()), semicolon(), newline()));
        concreteSyntaxModelByClass.put(ModuleProvidesDirective.class, sequence(token(GeneratedJavaParserConstants.PROVIDES), space(), child(ObservableProperty.NAME), list(ObservableProperty.WITH, sequence(comma(), space()), sequence(space(), token(GeneratedJavaParserConstants.WITH), space()), none()), semicolon(), newline()));
        concreteSyntaxModelByClass.put(ModuleRequiresDirective.class, sequence(token(GeneratedJavaParserConstants.REQUIRES), space(), modifiers(), child(ObservableProperty.NAME), semicolon(), newline()));
        concreteSyntaxModelByClass.put(ModuleUsesDirective.class, sequence(token(GeneratedJavaParserConstants.USES), space(), child(ObservableProperty.NAME), semicolon(), newline()));
        List unsupportedNodeClassNames = JavaParserMetaModel.getNodeMetaModels().stream().filter(c -> !c.isAbstract() && !Comment.class.isAssignableFrom(c.getType()) && !concreteSyntaxModelByClass.containsKey(c.getType())).map(nm -> nm.getType().getSimpleName()).collect(Collectors.toList());
        if (unsupportedNodeClassNames.isEmpty()) {
            initializationError = Optional.empty();
        } else {
            initializationError = Optional.of("The " + ConcreteSyntaxModel.class.getSimpleName() + " should include support for these classes: " + String.join(", ", unsupportedNodeClassNames));
        }
    }

    private ConcreteSyntaxModel() {
    }

    public static void genericPrettyPrint(Node node, SourcePrinter printer) {
        forClass(node.getClass()).prettyPrint(node, printer);
    }

    public static String genericPrettyPrint(Node node) {
        SourcePrinter sourcePrinter = new SourcePrinter();
        forClass(node.getClass()).prettyPrint(node, sourcePrinter);
        return sourcePrinter.toString();
    }

    public static CsmElement forClass(Class nodeClazz) {
        initializationError.ifPresent(s -> {
            throw new IllegalStateException(s);
        });
        if (!concreteSyntaxModelByClass.containsKey(nodeClazz)) {
            throw new UnsupportedOperationException(nodeClazz.getSimpleName());
        }
        return concreteSyntaxModelByClass.get(nodeClazz);
    }
}




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