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TokenTypes.java
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TokenTypes.java
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////////////////////////////////////////////////////////////////////////////////
// checkstyle: Checks Java source code for adherence to a set of rules.
// Copyright (C) 2001-2021 the original author or authors.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
////////////////////////////////////////////////////////////////////////////////
package com.puppycrawl.tools.checkstyle.api;
import com.puppycrawl.tools.checkstyle.grammar.java.JavaLanguageLexer;
/**
* Contains the constants for all the tokens contained in the Abstract
* Syntax Tree.
*
* <p>Implementation detail: This class has been introduced to break
* the circular dependency between packages.</p>
*
* @noinspection ClassWithTooManyDependents
*/
public final class TokenTypes {
/**
* This is the root node for the source file. It's children
* are an optional package definition, zero or more import statements,
* and zero or more type declarations.
* <p>For example:</p>
* <pre>
* import java.util.List;
*
* class MyClass{}
* interface MyInterface{}
* ;
* </pre>
* <p>parses as:</p>
* <pre>
* COMPILATION_UNIT -> COMPILATION_UNIT
* |--IMPORT -> import
* | |--DOT -> .
* | | |--DOT -> .
* | | | |--IDENT -> java
* | | | `--IDENT -> util
* | | `--IDENT -> List
* | `--SEMI -> ;
* |--CLASS_DEF -> CLASS_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--LITERAL_CLASS -> class
* | |--IDENT -> MyClass
* | `--OBJBLOCK -> OBJBLOCK
* | |--LCURLY -> {
* | `--RCURLY -> }
* |--INTERFACE_DEF -> INTERFACE_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--LITERAL_INTERFACE -> interface
* | |--IDENT -> MyInterface
* | `--OBJBLOCK -> OBJBLOCK
* | |--LCURLY -> {
* | `--RCURLY -> }
* `--SEMI -> ;
* </pre>
*
* @see #PACKAGE_DEF
* @see #IMPORT
* @see #CLASS_DEF
* @see #INTERFACE_DEF
* @see #RECORD_DEF
* @see #ANNOTATION_DEF
* @see #ENUM_DEF
**/
public static final int COMPILATION_UNIT = JavaLanguageLexer.COMPILATION_UNIT;
/**
* Modifiers for type, method, and field declarations. The
* modifiers element is always present even though it may have no
* children.
* <p>For example:</p>
* <pre>
* public int x;
* </pre>
* <p>parses as:</p>
* <pre>
* VARIABLE_DEF -> VARIABLE_DEF
* |--MODIFIERS -> MODIFIERS
* | `--LITERAL_PUBLIC -> public
* |--TYPE -> TYPE
* | `--LITERAL_INT -> int
* |--IDENT -> x
* `--SEMI -> ;
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-8.html">Java
* Language Specification, §8</a>
* @see #LITERAL_PUBLIC
* @see #LITERAL_PROTECTED
* @see #LITERAL_PRIVATE
* @see #ABSTRACT
* @see #LITERAL_STATIC
* @see #FINAL
* @see #LITERAL_TRANSIENT
* @see #LITERAL_VOLATILE
* @see #LITERAL_SYNCHRONIZED
* @see #LITERAL_NATIVE
* @see #STRICTFP
* @see #ANNOTATION
* @see #LITERAL_DEFAULT
**/
public static final int MODIFIERS = JavaLanguageLexer.MODIFIERS;
/**
* An object block. These are children of class, interface, enum,
* annotation and enum constant declarations.
* Also, object blocks are children of the new keyword when defining
* anonymous inner types.
* <p>For example:</p>
* <pre>
* class Test {}
* </pre>
* <p>parses as:</p>
* <pre>
* CLASS_DEF -> CLASS_DEF
* |--MODIFIERS -> MODIFIERS
* |--LITERAL_CLASS -> class
* |--IDENT -> Test
* `--OBJBLOCK -> OBJBLOCK
* |--LCURLY -> {
* `--RCURLY -> }
* </pre>
*
* @see #LCURLY
* @see #INSTANCE_INIT
* @see #STATIC_INIT
* @see #CLASS_DEF
* @see #CTOR_DEF
* @see #METHOD_DEF
* @see #VARIABLE_DEF
* @see #RCURLY
* @see #INTERFACE_DEF
* @see #LITERAL_NEW
* @see #ENUM_DEF
* @see #ENUM_CONSTANT_DEF
* @see #ANNOTATION_DEF
**/
public static final int OBJBLOCK = JavaLanguageLexer.OBJBLOCK;
/**
* A list of statements.
*
* <p>For example:</p>
* <pre>
* if (c == 1) {
* c = 0;
* }
* </pre>
* <p>parses as:</p>
* <pre>
* LITERAL_IF -> if
* |--LPAREN -> (
* |--EXPR -> EXPR
* | `--EQUAL -> ==
* | |--IDENT -> c
* | `--NUM_INT -> 1
* |--RPAREN -> )
* `--SLIST -> {
* |--EXPR -> EXPR
* | `--ASSIGN -> =
* | |--IDENT -> c
* | `--NUM_INT -> 0
* |--SEMI -> ;
* `--RCURLY -> }
* </pre>
*
* @see #RCURLY
* @see #EXPR
* @see #LABELED_STAT
* @see #LITERAL_THROWS
* @see #LITERAL_RETURN
* @see #SEMI
* @see #METHOD_DEF
* @see #CTOR_DEF
* @see #LITERAL_FOR
* @see #LITERAL_WHILE
* @see #LITERAL_IF
* @see #LITERAL_ELSE
* @see #CASE_GROUP
**/
public static final int SLIST = JavaLanguageLexer.SLIST;
/**
* A constructor declaration.
*
* <p>For example:</p>
* <pre>
* public SpecialEntry(int value, String text)
* {
* this.value = value;
* this.text = text;
* }
* </pre>
* <p>parses as:</p>
* <pre>
* CTOR_DEF -> CTOR_DEF
* |--MODIFIERS -> MODIFIERS
* | `--LITERAL_PUBLIC -> public
* |--IDENT -> SpecialEntry
* |--LPAREN -> (
* |--PARAMETERS -> PARAMETERS
* | |--PARAMETER_DEF -> PARAMETER_DEF
* | | |--MODIFIERS -> MODIFIERS
* | | |--TYPE -> TYPE
* | | | `--LITERAL_INT -> int
* | | `--IDENT -> value
* | |--COMMA -> ,
* | `--PARAMETER_DEF -> PARAMETER_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--TYPE -> TYPE
* | | `--IDENT -> String
* | `--IDENT -> text
* |--RPAREN -> )
* `--SLIST -> {
* |--EXPR -> EXPR
* | `--ASSIGN -> =
* | |--DOT -> .
* | |--LITERAL_THIS -> this
* | | `--IDENT -> value
* | `--IDENT -> value
* |--SEMI -> ;
* |--EXPR -> EXPR
* | `--ASSIGN -> =
* | |--DOT -> .
* | | |--LITERAL_THIS -> this
* | | `--IDENT -> text
* | `--IDENT -> text
* |--SEMI -> ;
* `--RCURLY -> }
* </pre>
*
* @see #OBJBLOCK
* @see #CLASS_DEF
**/
public static final int CTOR_DEF = JavaLanguageLexer.CTOR_DEF;
/**
* A method declaration. The children are modifiers, type parameters,
* return type, method name, parameter list, an optional throws list, and
* statement list. The statement list is omitted if the method
* declaration appears in an interface declaration. Method
* declarations may appear inside object blocks of class
* declarations, interface declarations, enum declarations,
* enum constant declarations or anonymous inner-class declarations.
*
* <p>For example:</p>
*
* <pre>
* public static int square(int x)
* {
* return x*x;
* }
* </pre>
*
* <p>parses as:</p>
*
* <pre>
* --METHOD_DEF -> METHOD_DEF
* |--MODIFIERS -> MODIFIERS
* | |--LITERAL_PUBLIC -> public
* | `--LITERAL_STATIC -> static
* |--TYPE -> TYPE
* | `--LITERAL_INT -> int
* |--IDENT -> square
* |--LPAREN -> (
* |--PARAMETERS -> PARAMETERS
* | `--PARAMETER_DEF -> PARAMETER_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--TYPE -> TYPE
* | | `--LITERAL_INT -> int
* | `--IDENT -> x
* |--RPAREN -> )
* `--SLIST -> {
* |--LITERAL_RETURN -> return
* | |--EXPR -> EXPR
* | | `--STAR -> *
* | | |--IDENT -> x
* | | `--IDENT -> x
* | `--SEMI -> ;
* `--RCURLY -> }
* </pre>
*
* @see #MODIFIERS
* @see #TYPE_PARAMETERS
* @see #TYPE
* @see #IDENT
* @see #PARAMETERS
* @see #LITERAL_THROWS
* @see #SLIST
* @see #OBJBLOCK
**/
public static final int METHOD_DEF = JavaLanguageLexer.METHOD_DEF;
/**
* A field or local variable declaration. The children are
* modifiers, type, the identifier name, and an optional
* assignment statement.
*
* <p>For example:</p>
* <pre>
* final int PI = 3.14;
* </pre>
* <p>parses as:</p>
* <pre>
* VARIABLE_DEF -> VARIABLE_DEF
* |--MODIFIERS -> MODIFIERS
* | `--FINAL -> final
* |--TYPE -> TYPE
* | `--LITERAL_INT -> int
* |--IDENT -> PI
* |--ASSIGN -> =
* | `--EXPR -> EXPR
* | `--NUM_FLOAT -> 3.14
* `--SEMI -> ;
* </pre>
*
* @see #MODIFIERS
* @see #TYPE
* @see #IDENT
* @see #ASSIGN
**/
public static final int VARIABLE_DEF =
JavaLanguageLexer.VARIABLE_DEF;
/**
* An instance initializer. Zero or more instance initializers
* may appear in class and enum definitions. This token will be a child
* of the object block of the declaring type.
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-8.html#jls-8.6">Java
* Language Specification§8.6</a>
* @see #SLIST
* @see #OBJBLOCK
**/
public static final int INSTANCE_INIT =
JavaLanguageLexer.INSTANCE_INIT;
/**
* A static initialization block. Zero or more static
* initializers may be children of the object block of a class
* or enum declaration (interfaces cannot have static initializers). The
* first and only child is a statement list.
*
* <p>For Example:</p>
* <pre>
* static {
* num = 10;
* }
* </pre>
* <p>parses as:</p>
* <pre>
* STATIC_INIT -> STATIC_INIT
* `--SLIST -> {
* |--EXPR -> EXPR
* | `--ASSIGN -> =
* | |--IDENT -> num
* | `--NUM_INT -> 10
* |--SEMI -> ;
* `--RCURLY -> }
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-8.html#jls-8.7">Java
* Language Specification, §8.7</a>
* @see #SLIST
* @see #OBJBLOCK
**/
public static final int STATIC_INIT =
JavaLanguageLexer.STATIC_INIT;
/**
* A type. This is either a return type of a method or a type of
* a variable or field. The first child of this element is the
* actual type. This may be a primitive type, an identifier, a
* dot which is the root of a fully qualified type, or an array of
* any of these. The second child may be type arguments to the type.
*
* <p>For example:</p>
* <pre>boolean var = true;</pre>
* <p>parses as:</p>
* <pre>
* |--VARIABLE_DEF -> VARIABLE_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--TYPE -> TYPE
* | | `--LITERAL_BOOLEAN -> boolean
* | |--IDENT -> var
* | `--ASSIGN -> =
* | `--EXPR -> EXPR
* | `--LITERAL_TRUE -> true
* |--SEMI -> ;
* </pre>
*
* @see #VARIABLE_DEF
* @see #METHOD_DEF
* @see #PARAMETER_DEF
* @see #IDENT
* @see #DOT
* @see #LITERAL_VOID
* @see #LITERAL_BOOLEAN
* @see #LITERAL_BYTE
* @see #LITERAL_CHAR
* @see #LITERAL_SHORT
* @see #LITERAL_INT
* @see #LITERAL_FLOAT
* @see #LITERAL_LONG
* @see #LITERAL_DOUBLE
* @see #ARRAY_DECLARATOR
* @see #TYPE_ARGUMENTS
**/
public static final int TYPE = JavaLanguageLexer.TYPE;
/**
* A class declaration.
*
* <p>For example:</p>
* <pre>
* public class Test {
* }
* </pre>
* <p>parses as:</p>
* <pre>
* CLASS_DEF -> CLASS_DEF
* |--MODIFIERS -> MODIFIERS
* | `--LITERAL_PUBLIC -> public
* |--LITERAL_CLASS -> class
* |--IDENT -> Test
* `--OBJBLOCK -> OBJBLOCK
* |--LCURLY -> {
* `--RCURLY -> }
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-8.html">Java
* Language Specification, §8</a>
* @see #MODIFIERS
* @see #IDENT
* @see #EXTENDS_CLAUSE
* @see #IMPLEMENTS_CLAUSE
* @see #OBJBLOCK
* @see #LITERAL_NEW
**/
public static final int CLASS_DEF = JavaLanguageLexer.CLASS_DEF;
/**
* An interface declaration.
*
* <p>For example:</p>
*
* <pre>
* public interface MyInterface {
*
* }
* </pre>
*
* <p>parses as:</p>
*
* <pre>
* INTERFACE_DEF -> INTERFACE_DEF
* |--MODIFIERS -> MODIFIERS
* | `--LITERAL_PUBLIC -> public
* |--LITERAL_INTERFACE -> interface
* |--IDENT -> MyInterface
* `--OBJBLOCK -> OBJBLOCK
* |--LCURLY -> {
* `--RCURLY -> }
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-9.html">Java
* Language Specification, §9</a>
* @see #MODIFIERS
* @see #IDENT
* @see #EXTENDS_CLAUSE
* @see #OBJBLOCK
**/
public static final int INTERFACE_DEF =
JavaLanguageLexer.INTERFACE_DEF;
/**
* The package declaration. This is optional, but if it is
* included, then there is only one package declaration per source
* file and it must be the first non-comment in the file. A package
* declaration may be annotated in which case the annotations comes
* before the rest of the declaration (and are the first children).
*
* <p>For example:</p>
*
* <pre>
* package com.puppycrawl.tools.checkstyle.api;
* </pre>
*
* <p>parses as:</p>
*
* <pre>
* PACKAGE_DEF -> package
* |--ANNOTATIONS -> ANNOTATIONS
* |--DOT -> .
* | |--DOT -> .
* | | |--DOT -> .
* | | | |--DOT -> .
* | | | | |--IDENT -> com
* | | | | `--IDENT -> puppycrawl
* | | | `--IDENT -> tools
* | | `--IDENT -> checkstyle
* | `--IDENT -> api
* `--SEMI -> ;
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-7.html#jls-7.4">Java
* Language Specification §7.4</a>
* @see #DOT
* @see #IDENT
* @see #SEMI
* @see #ANNOTATIONS
* @see FullIdent
**/
public static final int PACKAGE_DEF = JavaLanguageLexer.PACKAGE_DEF;
/**
* An array declaration.
*
* <p>If the array declaration represents a type, then the type of
* the array elements is the first child. Multidimensional arrays
* may be regarded as arrays of arrays. In other words, the first
* child of the array declaration is another array
* declaration.</p>
*
* <p>For example:</p>
* <pre>
* int[] x;
* </pre>
* <p>parses as:</p>
* <pre>
* VARIABLE_DEF -> VARIABLE_DEF
* |--MODIFIERS -> MODIFIERS
* |--TYPE -> TYPE
* | |--LITERAL_INT -> int
* | `--ARRAY_DECLARATOR -> [
* | `--RBRACK -> ]
* |--IDENT -> x
* `--SEMI -> ;
* </pre>
*
* <p>The array declaration may also represent an inline array
* definition. In this case, the first child will be either an
* expression specifying the length of the array or an array
* initialization block.</p>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-10.html">Java
* Language Specification §10</a>
* @see #TYPE
* @see #ARRAY_INIT
**/
public static final int ARRAY_DECLARATOR =
JavaLanguageLexer.ARRAY_DECLARATOR;
/**
* An extends clause. This appear as part of class and interface
* definitions. This element appears even if the
* {@code extends} keyword is not explicitly used. The child
* is an optional identifier.
*
* <p>For example:</p>
* <pre>
* public class Test extends ArrayList {
* }
* </pre>
* <p>parses as:</p>
* <pre>
* CLASS_DEF -> CLASS_DEF
* |--MODIFIERS -> MODIFIERS
* | `--LITERAL_PUBLIC -> public
* |--LITERAL_CLASS -> class
* |--IDENT -> Test
* |--EXTENDS_CLAUSE -> extends
* | `--IDENT -> ArrayList
* `--OBJBLOCK -> OBJBLOCK
* |--LCURLY -> {
* `--RCURLY -> }
* </pre>
*
* @see #IDENT
* @see #DOT
* @see #CLASS_DEF
* @see #INTERFACE_DEF
* @see FullIdent
**/
public static final int EXTENDS_CLAUSE =
JavaLanguageLexer.EXTENDS_CLAUSE;
/**
* An implements clause. This always appears in a class or enum
* declaration, even if there are no implemented interfaces. The
* children are a comma separated list of zero or more
* identifiers.
*
* <p>For example:</p>
* <pre>
* public class MyClass implements Collection {
*
* }
* </pre>
* <p>parses as:</p>
* <pre>
* CLASS_DEF -> CLASS_DEF
* |--MODIFIERS -> MODIFIERS
* | `--LITERAL_PUBLIC -> public
* |--LITERAL_CLASS -> class
* |--IDENT -> MyClass
* |--IMPLEMENTS_CLAUSE -> implements
* | `--IDENT -> Collection
* `--OBJBLOCK -> OBJBLOCK
* |--LCURLY -> {
* `--RCURLY -> }
* </pre>
*
* @see #IDENT
* @see #DOT
* @see #COMMA
* @see #CLASS_DEF
* @see #ENUM_DEF
**/
public static final int IMPLEMENTS_CLAUSE =
JavaLanguageLexer.IMPLEMENTS_CLAUSE;
/**
* A list of parameters to a method or constructor. The children
* are zero or more parameter declarations separated by commas.
*
* <p>For example</p>
* <pre>
* int start, int end
* </pre>
* <p>parses as:</p>
* <pre>
* +--PARAMETERS
* |
* +--PARAMETER_DEF
* |
* +--MODIFIERS
* +--TYPE
* |
* +--LITERAL_INT (int)
* +--IDENT (start)
* +--COMMA (,)
* +--PARAMETER_DEF
* |
* +--MODIFIERS
* +--TYPE
* |
* +--LITERAL_INT (int)
* +--IDENT (end)
* </pre>
*
* @see #PARAMETER_DEF
* @see #COMMA
* @see #METHOD_DEF
* @see #CTOR_DEF
**/
public static final int PARAMETERS = JavaLanguageLexer.PARAMETERS;
/**
* A parameter declaration. The last parameter in a list of parameters may
* be variable length (indicated by the ELLIPSIS child node immediately
* after the TYPE child).
* <p>For example</p>
* <pre>
* void foo(int firstParameter, int... secondParameter) {}
* </pre>
* <p>parses as:</p>
* <pre>
* METHOD_DEF -> METHOD_DEF
* |--MODIFIERS -> MODIFIERS
* |--TYPE -> TYPE
* | `--LITERAL_VOID -> void
* |--IDENT -> foo
* |--LPAREN -> (
* |--PARAMETERS -> PARAMETERS
* | |--PARAMETER_DEF -> PARAMETER_DEF
* | | |--MODIFIERS -> MODIFIERS
* | | |--TYPE -> TYPE
* | | | `--LITERAL_INT -> int
* | | `--IDENT -> firstParameter
* | |--COMMA -> ,
* | `--PARAMETER_DEF -> PARAMETER_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--TYPE -> TYPE
* | | `--LITERAL_INT -> int
* | |--ELLIPSIS -> ...
* | `--IDENT -> secondParameter
* |--RPAREN -> )
* `--SLIST -> {
* `--RCURLY -> }
* </pre>
*
* @see #MODIFIERS
* @see #TYPE
* @see #IDENT
* @see #PARAMETERS
* @see #ELLIPSIS
**/
public static final int PARAMETER_DEF =
JavaLanguageLexer.PARAMETER_DEF;
/**
* A labeled statement.
*
* <p>For example:</p>
* <pre>
* outer:
* while (i < 10) {
* if (i == 5)
* continue outer;
* i++;
* }
* </pre>
* <p>parses as:</p>
* <pre>
* LABELED_STAT -> :
* |--IDENT -> outer
* `--LITERAL_WHILE -> while
* |--LPAREN -> (
* |--EXPR -> EXPR
* | `--LT -> <
* | |--IDENT -> i
* | `--NUM_INT -> 10
* |--RPAREN -> )
* `--SLIST -> {
* |--LITERAL_IF -> if
* | |--LPAREN -> (
* | |--EXPR -> EXPR
* | | `--EQUAL -> ==
* | | |--IDENT -> i
* | | `--NUM_INT -> 5
* | |--RPAREN -> )
* | `--LITERAL_CONTINUE -> continue
* | |--IDENT -> outer
* | `--SEMI -> ;
* |--EXPR -> EXPR
* | `--POST_INC -> ++
* | `--IDENT -> i
* |--SEMI -> ;
* `--RCURLY -> }
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-14.html#jls-14.7">Java
* Language Specification, §14.7</a>
* @see #SLIST
**/
public static final int LABELED_STAT =
JavaLanguageLexer.LABELED_STAT;
/**
* A type-cast.
*
* <p>For example:</p>
* <pre>
* (String)it.next()
* </pre>
* <p>parses as:</p>
* <pre>
* `--TYPECAST -> (
* |--TYPE -> TYPE
* | `--IDENT -> String
* |--RPAREN -> )
* `--METHOD_CALL -> (
* |--DOT -> .
* | |--IDENT -> it
* | `--IDENT -> next
* |--ELIST -> ELIST
* `--RPAREN -> )
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-15.html#jls-15.16">Java
* Language Specification, §15.16</a>
* @see #EXPR
* @see #TYPE
* @see #TYPE_ARGUMENTS
* @see #RPAREN
**/
public static final int TYPECAST = JavaLanguageLexer.TYPECAST;
/**
* The array index operator.
*
* <p>For example:</p>
* <pre>
* arr[0] = 10;
* </pre>
* <p>parses as:</p>
* <pre>
* |--EXPR -> EXPR
* | `--ASSIGN -> =
* | |--INDEX_OP -> [
* | | |--IDENT -> arr
* | | |--EXPR -> EXPR
* | | | `--NUM_INT -> 0
* | | `--RBRACK -> ]
* | `--NUM_INT -> 10
* |--SEMI -> ;
* </pre>
*
* @see #EXPR
**/
public static final int INDEX_OP = JavaLanguageLexer.INDEX_OP;
/**
* The {@code ++} (postfix increment) operator.
*
* <p>For example:</p>
* <pre>
* a++;
* </pre>
* <p>parses as:</p>
* <pre>
* |--EXPR -> EXPR
* | `--POST_INC -> ++
* | `--IDENT -> a
* |--SEMI -> ;
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-15.html#jls-15.14.1">Java
* Language Specification, §15.14.1</a>
* @see #EXPR
* @see #INC
**/
public static final int POST_INC = JavaLanguageLexer.POST_INC;
/**
* The {@code --} (postfix decrement) operator.
*
* <p>For example:</p>
* <pre>
* a--;
* </pre>
* <p>parses as:</p>
* <pre>
* |--EXPR -> EXPR
* | `--POST_DEC -> --
* | `--IDENT -> a
* |--SEMI -> ;
* </pre>
*
* @see <a
* href="https://docs.oracle.com/javase/specs/jls/se8/html/jls-15.html#jls-15.14.2">Java
* Language Specification, §15.14.2</a>
* @see #EXPR
* @see #DEC
**/
public static final int POST_DEC = JavaLanguageLexer.POST_DEC;
/**
* A method call. A method call may have type arguments however these
* are attached to the appropriate node in the qualified method name.
*
* <p>For example:</p>
* <pre>
* Integer.parseInt("123");
* </pre>
*
* <p>parses as:</p>
* <pre>
* |--EXPR -> EXPR
* | `--METHOD_CALL -> (
* | |--DOT -> .
* | | |--IDENT -> Integer
* | | `--IDENT -> parseInt
* | |--ELIST -> ELIST
* | | `--EXPR -> EXPR
* | | `--STRING_LITERAL -> "123"
* | `--RPAREN -> )
* |--SEMI -> ;
* </pre>
*
*
* @see #IDENT
* @see #TYPE_ARGUMENTS
* @see #DOT
* @see #ELIST
* @see #RPAREN
* @see FullIdent
**/
public static final int METHOD_CALL = JavaLanguageLexer.METHOD_CALL;
/**
* A reference to a method or constructor without arguments. Part of Java 8 syntax.
* The token should be used for subscribing for double colon literal.
* {@link #DOUBLE_COLON} token does not appear in the tree.
*
* <p>For example:</p>
* <pre>
* Comparator<String> compare = String::compareToIgnoreCase;
* </pre>
*
* <p>parses as:
* <pre>
* |--VARIABLE_DEF -> VARIABLE_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--TYPE -> TYPE
* | | |--IDENT -> Comparator
* | | `--TYPE_ARGUMENTS -> TYPE_ARGUMENTS
* | | |--GENERIC_START -> <
* | | |--TYPE_ARGUMENT -> TYPE_ARGUMENT
* | | | `--IDENT -> String
* | | `--GENERIC_END -> >
* | |--IDENT -> compare
* | `--ASSIGN -> =
* | `--EXPR -> EXPR
* | `--METHOD_REF -> ::
* | |--IDENT -> String
* | `--IDENT -> compareToIgnoreCase
* |--SEMI -> ;
* </pre>
*
* @see #IDENT
* @see #DOUBLE_COLON
*/
public static final int METHOD_REF = JavaLanguageLexer.METHOD_REF;
/**
* An expression. Operators with lower precedence appear at a
* higher level in the tree than operators with higher precedence.
* Parentheses are siblings to the operator they enclose.
*
* <p>For example:</p>
* <pre>
* int x = 4 + 2 * (5 % 3) + (1 << 3) - 4 * 5;
* </pre>
* <p>parses as:</p>
* <pre>
* |--VARIABLE_DEF -> VARIABLE_DEF
* | |--MODIFIERS -> MODIFIERS
* | |--TYPE -> TYPE
* | | `--LITERAL_INT -> int
* | |--IDENT -> x
* | `--ASSIGN -> =
* | `--EXPR -> EXPR
* | `--MINUS -> -
* | |--PLUS -> +
* | | |--PLUS -> +
* | | | |--NUM_INT -> 4
* | | | `--STAR -> *
* | | | |--NUM_INT -> 2
* | | | |--LPAREN -> (
* | | | |--MOD -> %
* | | | | |--NUM_INT -> 5
* | | | | `--NUM_INT -> 3
* | | | `--RPAREN -> )
* | | |--LPAREN -> (
* | | |--SL -> <<
* | | | |--NUM_INT -> 1
* | | | `--NUM_INT -> 3
* | | `--RPAREN -> )
* | `--STAR -> *
* | |--NUM_INT -> 4
* | `--NUM_INT -> 5
* |--SEMI -> ;
* </pre>
*
* @see #ELIST
* @see #ASSIGN
* @see #LPAREN
* @see #RPAREN
**/
public static final int EXPR = JavaLanguageLexer.EXPR;
/**
* An array initialization. This may occur as part of an array
* declaration or inline with {@code new}.
*
* <p>For example:</p>
* <pre>
* int[] y =
* {
* 1,
* 2,
* };
* </pre>
* <p>parses as:</p>
* <pre>
* VARIABLE_DEF -> VARIABLE_DEF
* |--MODIFIERS -> MODIFIERS
* |--TYPE -> TYPE
* | |--LITERAL_INT -> int
* | `--ARRAY_DECLARATOR -> [
* | `--RBRACK -> ]
* |--IDENT -> y
* |--ASSIGN -> =
* | `--ARRAY_INIT -> {
* | |--EXPR -> EXPR
* | | `--NUM_INT -> 1