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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * accompanied this code).
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package jdk.nashorn.api.tree;

import java.util.List;

Represents the abstract syntax tree for compilation units (source
files)
Since:
9/**
 * Represents the abstract syntax tree for compilation units (source
 * files)
 *
 * @since 9
 */
public interface CompilationUnitTree extends Tree {
    
Return the list of source elements in this compilation unit.
Returns:
the list of source elements in this compilation unit/**
     * Return the list of source elements in this compilation unit.
     *
     * @return the list of source elements in this compilation unit
     */
    List<? extends Tree> getSourceElements();

    
Return the source name of this script compilation unit.
Returns:
the source name of this script compilation unit/**
     * Return the source name of this script compilation unit.
     *
     * @return the source name of this script compilation unit
     */
    String getSourceName();

    
Returns if this is a ECMAScript "strict" compilation unit or not.
Returns:
true if this compilation unit is declared "strict"/**
     * Returns if this is a ECMAScript "strict" compilation unit or not.
     *
     * @return true if this compilation unit is declared "strict"
     */
    boolean isStrict();

    
Returns the line map for this compilation unit, if available.
Returns null if the line map is not available.
Returns:
the line map for this compilation unit/**
     * Returns the line map for this compilation unit, if available.
     * Returns null if the line map is not available.
     *
     * @return the line map for this compilation unit
     */
    LineMap getLineMap();

    
Return the ModuleTree associated with this compilation unit. This is null, if there is no module information from this compilation unit. 
Returns:
the Module info or null/**
     * Return the {@link ModuleTree} associated with this compilation unit. This is null,
     * if there is no module information from this compilation unit.
     *
     * @return the Module info or null
     */
    ModuleTree getModule();
}