javacc-7.0.1.examples.JavaGrammars.1.5.Java1.5.jj Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javacc Show documentation
Show all versions of javacc Show documentation
JavaCC is a parser/scanner generator for Java.
/* Copyright (c) 2006, Sun Microsystems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Sun Microsystems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
options {
JAVA_UNICODE_ESCAPE = true;
ERROR_REPORTING = false;
STATIC = false;
COMMON_TOKEN_ACTION = false;
TOKEN_FACTORY = "MyToken";
JDK_VERSION = "1.5";
}
PARSER_BEGIN(JavaParser)
import java.io.*;
/**
* Grammar to parse Java version 1.5
* @author Sreenivasa Viswanadha - Simplified and enhanced for 1.5
*/
public class JavaParser
{
/**
* Class to hold modifiers.
*/
static public final class ModifierSet
{
/* Definitions of the bits in the modifiers field. */
public static final int PUBLIC = 0x0001;
public static final int PROTECTED = 0x0002;
public static final int PRIVATE = 0x0004;
public static final int ABSTRACT = 0x0008;
public static final int STATIC = 0x0010;
public static final int FINAL = 0x0020;
public static final int SYNCHRONIZED = 0x0040;
public static final int NATIVE = 0x0080;
public static final int TRANSIENT = 0x0100;
public static final int VOLATILE = 0x0200;
public static final int STRICTFP = 0x1000;
/** A set of accessors that indicate whether the specified modifier
is in the set. */
public boolean isPublic(int modifiers)
{
return (modifiers & PUBLIC) != 0;
}
public boolean isProtected(int modifiers)
{
return (modifiers & PROTECTED) != 0;
}
public boolean isPrivate(int modifiers)
{
return (modifiers & PRIVATE) != 0;
}
public boolean isStatic(int modifiers)
{
return (modifiers & STATIC) != 0;
}
public boolean isAbstract(int modifiers)
{
return (modifiers & ABSTRACT) != 0;
}
public boolean isFinal(int modifiers)
{
return (modifiers & FINAL) != 0;
}
public boolean isNative(int modifiers)
{
return (modifiers & NATIVE) != 0;
}
public boolean isStrictfp(int modifiers)
{
return (modifiers & STRICTFP) != 0;
}
public boolean isSynchronized(int modifiers)
{
return (modifiers & SYNCHRONIZED) != 0;
}
public boolean isTransient(int modifiers)
{
return (modifiers & TRANSIENT) != 0;
}
public boolean isVolatile(int modifiers)
{
return (modifiers & VOLATILE) != 0;
}
/**
* Removes the given modifier.
*/
static int removeModifier(int modifiers, int mod)
{
return modifiers & ~mod;
}
}
public JavaParser(String fileName)
{
this(System.in);
try { ReInit(new FileInputStream(new File(fileName))); }
catch(Exception e) { e.printStackTrace(); }
}
public static void main(String args[]) {
JavaParser parser;
if (args.length == 0) {
System.out.println("Java Parser Version 1.1: Reading from standard input . . .");
parser = new JavaParser(System.in);
} else if (args.length == 1) {
System.out.println("Java Parser Version 1.1: Reading from file " + args[0] + " . . .");
try {
parser = new JavaParser(new java.io.FileInputStream(args[0]));
} catch (java.io.FileNotFoundException e) {
System.out.println("Java Parser Version 1.1: File " + args[0] + " not found.");
return;
}
} else {
System.out.println("Java Parser Version 1.1: Usage is one of:");
System.out.println(" java JavaParser < inputfile");
System.out.println("OR");
System.out.println(" java JavaParser inputfile");
return;
}
try {
parser.CompilationUnit();
System.out.println("Java Parser Version 1.1: Java program parsed successfully.");
} catch (ParseException e) {
System.out.println(e.getMessage());
System.out.println("Java Parser Version 1.1: Encountered errors during parse.");
}
}
}
PARSER_END(JavaParser)
/* WHITE SPACE */
SKIP :
{
" "
| "\t"
| "\n"
| "\r"
| "\f"
}
/* COMMENTS */
MORE :
{
<"/**" ~["/"]> { input_stream.backup(1); } : IN_FORMAL_COMMENT
|
"/*" : IN_MULTI_LINE_COMMENT
}
SPECIAL_TOKEN :
{
}
SPECIAL_TOKEN :
{
: DEFAULT
}
SPECIAL_TOKEN :
{
: DEFAULT
}
MORE :
{
< ~[] >
}
/* RESERVED WORDS AND LITERALS */
TOKEN :
{
< ABSTRACT: "abstract" >
| < ASSERT: "assert" >
| < BOOLEAN: "boolean" >
| < BREAK: "break" >
| < BYTE: "byte" >
| < CASE: "case" >
| < CATCH: "catch" >
| < CHAR: "char" >
| < CLASS: "class" >
| < CONST: "const" >
| < CONTINUE: "continue" >
| < _DEFAULT: "default" >
| < DO: "do" >
| < DOUBLE: "double" >
| < ELSE: "else" >
| < ENUM: "enum" >
| < EXTENDS: "extends" >
| < FALSE: "false" >
| < FINAL: "final" >
| < FINALLY: "finally" >
| < FLOAT: "float" >
| < FOR: "for" >
| < GOTO: "goto" >
| < IF: "if" >
| < IMPLEMENTS: "implements" >
| < IMPORT: "import" >
| < INSTANCEOF: "instanceof" >
| < INT: "int" >
| < INTERFACE: "interface" >
| < LONG: "long" >
| < NATIVE: "native" >
| < NEW: "new" >
| < NULL: "null" >
| < PACKAGE: "package">
| < PRIVATE: "private" >
| < PROTECTED: "protected" >
| < PUBLIC: "public" >
| < RETURN: "return" >
| < SHORT: "short" >
| < STATIC: "static" >
| < STRICTFP: "strictfp" >
| < SUPER: "super" >
| < SWITCH: "switch" >
| < SYNCHRONIZED: "synchronized" >
| < THIS: "this" >
| < THROW: "throw" >
| < THROWS: "throws" >
| < TRANSIENT: "transient" >
| < TRUE: "true" >
| < TRY: "try" >
| < VOID: "void" >
| < VOLATILE: "volatile" >
| < WHILE: "while" >
}
/* LITERALS */
TOKEN :
{
< INTEGER_LITERAL:
(["l","L"])?
| (["l","L"])?
| (["l","L"])?
>
|
< #DECIMAL_LITERAL: ["1"-"9"] (["0"-"9"])* >
|
< #HEX_LITERAL: "0" ["x","X"] (["0"-"9","a"-"f","A"-"F"])+ >
|
< #OCTAL_LITERAL: "0" (["0"-"7"])* >
|
< FLOATING_POINT_LITERAL:
|
>
|
< #DECIMAL_FLOATING_POINT_LITERAL:
(["0"-"9"])+ "." (["0"-"9"])* ()? (["f","F","d","D"])?
| "." (["0"-"9"])+ ()? (["f","F","d","D"])?
| (["0"-"9"])+ (["f","F","d","D"])?
| (["0"-"9"])+ ()? ["f","F","d","D"]
>
|
< #DECIMAL_EXPONENT: ["e","E"] (["+","-"])? (["0"-"9"])+ >
|
< #HEXADECIMAL_FLOATING_POINT_LITERAL:
"0" ["x", "X"] (["0"-"9","a"-"f","A"-"F"])+ (".")? (["f","F","d","D"])?
| "0" ["x", "X"] (["0"-"9","a"-"f","A"-"F"])* "." (["0"-"9","a"-"f","A"-"F"])+ (["f","F","d","D"])?
>
|
< #HEXADECIMAL_EXPONENT: ["p","P"] (["+","-"])? (["0"-"9"])+ >
|
< CHARACTER_LITERAL:
"'"
( (~["'","\\","\n","\r"])
| ("\\"
( ["n","t","b","r","f","\\","'","\""]
| ["0"-"7"] ( ["0"-"7"] )?
| ["0"-"3"] ["0"-"7"] ["0"-"7"]
)
)
)
"'"
>
|
< STRING_LITERAL:
"\""
( (~["\"","\\","\n","\r"])
| ("\\"
( ["n","t","b","r","f","\\","'","\""]
| ["0"-"7"] ( ["0"-"7"] )?
| ["0"-"3"] ["0"-"7"] ["0"-"7"]
)
)
)*
"\""
>
}
/* IDENTIFIERS */
TOKEN :
{
< IDENTIFIER: ()* >
|
< #LETTER:
[ // all chars for which Character.isIdentifierStart is true
"$",
"A"-"Z",
"_",
"a"-"z",
"\u00a2"-"\u00a5",
"\u00aa",
"\u00b5",
"\u00ba",
"\u00c0"-"\u00d6",
"\u00d8"-"\u00f6",
"\u00f8"-"\u021f",
"\u0222"-"\u0233",
"\u0250"-"\u02ad",
"\u02b0"-"\u02b8",
"\u02bb"-"\u02c1",
"\u02d0"-"\u02d1",
"\u02e0"-"\u02e4",
"\u02ee",
"\u037a",
"\u0386",
"\u0388"-"\u038a",
"\u038c",
"\u038e"-"\u03a1",
"\u03a3"-"\u03ce",
"\u03d0"-"\u03d7",
"\u03da"-"\u03f3",
"\u0400"-"\u0481",
"\u048c"-"\u04c4",
"\u04c7"-"\u04c8",
"\u04cb"-"\u04cc",
"\u04d0"-"\u04f5",
"\u04f8"-"\u04f9",
"\u0531"-"\u0556",
"\u0559",
"\u0561"-"\u0587",
"\u05d0"-"\u05ea",
"\u05f0"-"\u05f2",
"\u0621"-"\u063a",
"\u0640"-"\u064a",
"\u0671"-"\u06d3",
"\u06d5",
"\u06e5"-"\u06e6",
"\u06fa"-"\u06fc",
"\u0710",
"\u0712"-"\u072c",
"\u0780"-"\u07a5",
"\u0905"-"\u0939",
"\u093d",
"\u0950",
"\u0958"-"\u0961",
"\u0985"-"\u098c",
"\u098f"-"\u0990",
"\u0993"-"\u09a8",
"\u09aa"-"\u09b0",
"\u09b2",
"\u09b6"-"\u09b9",
"\u09dc"-"\u09dd",
"\u09df"-"\u09e1",
"\u09f0"-"\u09f3",
"\u0a05"-"\u0a0a",
"\u0a0f"-"\u0a10",
"\u0a13"-"\u0a28",
"\u0a2a"-"\u0a30",
"\u0a32"-"\u0a33",
"\u0a35"-"\u0a36",
"\u0a38"-"\u0a39",
"\u0a59"-"\u0a5c",
"\u0a5e",
"\u0a72"-"\u0a74",
"\u0a85"-"\u0a8b",
"\u0a8d",
"\u0a8f"-"\u0a91",
"\u0a93"-"\u0aa8",
"\u0aaa"-"\u0ab0",
"\u0ab2"-"\u0ab3",
"\u0ab5"-"\u0ab9",
"\u0abd",
"\u0ad0",
"\u0ae0",
"\u0b05"-"\u0b0c",
"\u0b0f"-"\u0b10",
"\u0b13"-"\u0b28",
"\u0b2a"-"\u0b30",
"\u0b32"-"\u0b33",
"\u0b36"-"\u0b39",
"\u0b3d",
"\u0b5c"-"\u0b5d",
"\u0b5f"-"\u0b61",
"\u0b85"-"\u0b8a",
"\u0b8e"-"\u0b90",
"\u0b92"-"\u0b95",
"\u0b99"-"\u0b9a",
"\u0b9c",
"\u0b9e"-"\u0b9f",
"\u0ba3"-"\u0ba4",
"\u0ba8"-"\u0baa",
"\u0bae"-"\u0bb5",
"\u0bb7"-"\u0bb9",
"\u0c05"-"\u0c0c",
"\u0c0e"-"\u0c10",
"\u0c12"-"\u0c28",
"\u0c2a"-"\u0c33",
"\u0c35"-"\u0c39",
"\u0c60"-"\u0c61",
"\u0c85"-"\u0c8c",
"\u0c8e"-"\u0c90",
"\u0c92"-"\u0ca8",
"\u0caa"-"\u0cb3",
"\u0cb5"-"\u0cb9",
"\u0cde",
"\u0ce0"-"\u0ce1",
"\u0d05"-"\u0d0c",
"\u0d0e"-"\u0d10",
"\u0d12"-"\u0d28",
"\u0d2a"-"\u0d39",
"\u0d60"-"\u0d61",
"\u0d85"-"\u0d96",
"\u0d9a"-"\u0db1",
"\u0db3"-"\u0dbb",
"\u0dbd",
"\u0dc0"-"\u0dc6",
"\u0e01"-"\u0e30",
"\u0e32"-"\u0e33",
"\u0e3f"-"\u0e46",
"\u0e81"-"\u0e82",
"\u0e84",
"\u0e87"-"\u0e88",
"\u0e8a",
"\u0e8d",
"\u0e94"-"\u0e97",
"\u0e99"-"\u0e9f",
"\u0ea1"-"\u0ea3",
"\u0ea5",
"\u0ea7",
"\u0eaa"-"\u0eab",
"\u0ead"-"\u0eb0",
"\u0eb2"-"\u0eb3",
"\u0ebd",
"\u0ec0"-"\u0ec4",
"\u0ec6",
"\u0edc"-"\u0edd",
"\u0f00",
"\u0f40"-"\u0f47",
"\u0f49"-"\u0f6a",
"\u0f88"-"\u0f8b",
"\u1000"-"\u1021",
"\u1023"-"\u1027",
"\u1029"-"\u102a",
"\u1050"-"\u1055",
"\u10a0"-"\u10c5",
"\u10d0"-"\u10f6",
"\u1100"-"\u1159",
"\u115f"-"\u11a2",
"\u11a8"-"\u11f9",
"\u1200"-"\u1206",
"\u1208"-"\u1246",
"\u1248",
"\u124a"-"\u124d",
"\u1250"-"\u1256",
"\u1258",
"\u125a"-"\u125d",
"\u1260"-"\u1286",
"\u1288",
"\u128a"-"\u128d",
"\u1290"-"\u12ae",
"\u12b0",
"\u12b2"-"\u12b5",
"\u12b8"-"\u12be",
"\u12c0",
"\u12c2"-"\u12c5",
"\u12c8"-"\u12ce",
"\u12d0"-"\u12d6",
"\u12d8"-"\u12ee",
"\u12f0"-"\u130e",
"\u1310",
"\u1312"-"\u1315",
"\u1318"-"\u131e",
"\u1320"-"\u1346",
"\u1348"-"\u135a",
"\u13a0"-"\u13f4",
"\u1401"-"\u166c",
"\u166f"-"\u1676",
"\u1681"-"\u169a",
"\u16a0"-"\u16ea",
"\u1780"-"\u17b3",
"\u17db",
"\u1820"-"\u1877",
"\u1880"-"\u18a8",
"\u1e00"-"\u1e9b",
"\u1ea0"-"\u1ef9",
"\u1f00"-"\u1f15",
"\u1f18"-"\u1f1d",
"\u1f20"-"\u1f45",
"\u1f48"-"\u1f4d",
"\u1f50"-"\u1f57",
"\u1f59",
"\u1f5b",
"\u1f5d",
"\u1f5f"-"\u1f7d",
"\u1f80"-"\u1fb4",
"\u1fb6"-"\u1fbc",
"\u1fbe",
"\u1fc2"-"\u1fc4",
"\u1fc6"-"\u1fcc",
"\u1fd0"-"\u1fd3",
"\u1fd6"-"\u1fdb",
"\u1fe0"-"\u1fec",
"\u1ff2"-"\u1ff4",
"\u1ff6"-"\u1ffc",
"\u203f"-"\u2040",
"\u207f",
"\u20a0"-"\u20af",
"\u2102",
"\u2107",
"\u210a"-"\u2113",
"\u2115",
"\u2119"-"\u211d",
"\u2124",
"\u2126",
"\u2128",
"\u212a"-"\u212d",
"\u212f"-"\u2131",
"\u2133"-"\u2139",
"\u2160"-"\u2183",
"\u3005"-"\u3007",
"\u3021"-"\u3029",
"\u3031"-"\u3035",
"\u3038"-"\u303a",
"\u3041"-"\u3094",
"\u309d"-"\u309e",
"\u30a1"-"\u30fe",
"\u3105"-"\u312c",
"\u3131"-"\u318e",
"\u31a0"-"\u31b7",
"\u3400"-"\u4db5",
"\u4e00"-"\u9fa5",
"\ua000"-"\ua48c",
"\uac00"-"\ud7a3",
"\uf900"-"\ufa2d",
"\ufb00"-"\ufb06",
"\ufb13"-"\ufb17",
"\ufb1d",
"\ufb1f"-"\ufb28",
"\ufb2a"-"\ufb36",
"\ufb38"-"\ufb3c",
"\ufb3e",
"\ufb40"-"\ufb41",
"\ufb43"-"\ufb44",
"\ufb46"-"\ufbb1",
"\ufbd3"-"\ufd3d",
"\ufd50"-"\ufd8f",
"\ufd92"-"\ufdc7",
"\ufdf0"-"\ufdfb",
"\ufe33"-"\ufe34",
"\ufe4d"-"\ufe4f",
"\ufe69",
"\ufe70"-"\ufe72",
"\ufe74",
"\ufe76"-"\ufefc",
"\uff04",
"\uff21"-"\uff3a",
"\uff3f",
"\uff41"-"\uff5a",
"\uff65"-"\uffbe",
"\uffc2"-"\uffc7",
"\uffca"-"\uffcf",
"\uffd2"-"\uffd7",
"\uffda"-"\uffdc",
"\uffe0"-"\uffe1",
"\uffe5"-"\uffe6"
]
>
|
< #PART_LETTER:
[ // all chars for which Character.isIdentifierPart is true
"\u0000"-"\u0008",
"\u000e"-"\u001b",
"$",
"0"-"9",
"A"-"Z",
"_",
"a"-"z",
"\u007f"-"\u009f",
"\u00a2"-"\u00a5",
"\u00aa",
"\u00b5",
"\u00ba",
"\u00c0"-"\u00d6",
"\u00d8"-"\u00f6",
"\u00f8"-"\u021f",
"\u0222"-"\u0233",
"\u0250"-"\u02ad",
"\u02b0"-"\u02b8",
"\u02bb"-"\u02c1",
"\u02d0"-"\u02d1",
"\u02e0"-"\u02e4",
"\u02ee",
"\u0300"-"\u034e",
"\u0360"-"\u0362",
"\u037a",
"\u0386",
"\u0388"-"\u038a",
"\u038c",
"\u038e"-"\u03a1",
"\u03a3"-"\u03ce",
"\u03d0"-"\u03d7",
"\u03da"-"\u03f3",
"\u0400"-"\u0481",
"\u0483"-"\u0486",
"\u048c"-"\u04c4",
"\u04c7"-"\u04c8",
"\u04cb"-"\u04cc",
"\u04d0"-"\u04f5",
"\u04f8"-"\u04f9",
"\u0531"-"\u0556",
"\u0559",
"\u0561"-"\u0587",
"\u0591"-"\u05a1",
"\u05a3"-"\u05b9",
"\u05bb"-"\u05bd",
"\u05bf",
"\u05c1"-"\u05c2",
"\u05c4",
"\u05d0"-"\u05ea",
"\u05f0"-"\u05f2",
"\u0621"-"\u063a",
"\u0640"-"\u0655",
"\u0660"-"\u0669",
"\u0670"-"\u06d3",
"\u06d5"-"\u06dc",
"\u06df"-"\u06e8",
"\u06ea"-"\u06ed",
"\u06f0"-"\u06fc",
"\u070f"-"\u072c",
"\u0730"-"\u074a",
"\u0780"-"\u07b0",
"\u0901"-"\u0903",
"\u0905"-"\u0939",
"\u093c"-"\u094d",
"\u0950"-"\u0954",
"\u0958"-"\u0963",
"\u0966"-"\u096f",
"\u0981"-"\u0983",
"\u0985"-"\u098c",
"\u098f"-"\u0990",
"\u0993"-"\u09a8",
"\u09aa"-"\u09b0",
"\u09b2",
"\u09b6"-"\u09b9",
"\u09bc",
"\u09be"-"\u09c4",
"\u09c7"-"\u09c8",
"\u09cb"-"\u09cd",
"\u09d7",
"\u09dc"-"\u09dd",
"\u09df"-"\u09e3",
"\u09e6"-"\u09f3",
"\u0a02",
"\u0a05"-"\u0a0a",
"\u0a0f"-"\u0a10",
"\u0a13"-"\u0a28",
"\u0a2a"-"\u0a30",
"\u0a32"-"\u0a33",
"\u0a35"-"\u0a36",
"\u0a38"-"\u0a39",
"\u0a3c",
"\u0a3e"-"\u0a42",
"\u0a47"-"\u0a48",
"\u0a4b"-"\u0a4d",
"\u0a59"-"\u0a5c",
"\u0a5e",
"\u0a66"-"\u0a74",
"\u0a81"-"\u0a83",
"\u0a85"-"\u0a8b",
"\u0a8d",
"\u0a8f"-"\u0a91",
"\u0a93"-"\u0aa8",
"\u0aaa"-"\u0ab0",
"\u0ab2"-"\u0ab3",
"\u0ab5"-"\u0ab9",
"\u0abc"-"\u0ac5",
"\u0ac7"-"\u0ac9",
"\u0acb"-"\u0acd",
"\u0ad0",
"\u0ae0",
"\u0ae6"-"\u0aef",
"\u0b01"-"\u0b03",
"\u0b05"-"\u0b0c",
"\u0b0f"-"\u0b10",
"\u0b13"-"\u0b28",
"\u0b2a"-"\u0b30",
"\u0b32"-"\u0b33",
"\u0b36"-"\u0b39",
"\u0b3c"-"\u0b43",
"\u0b47"-"\u0b48",
"\u0b4b"-"\u0b4d",
"\u0b56"-"\u0b57",
"\u0b5c"-"\u0b5d",
"\u0b5f"-"\u0b61",
"\u0b66"-"\u0b6f",
"\u0b82"-"\u0b83",
"\u0b85"-"\u0b8a",
"\u0b8e"-"\u0b90",
"\u0b92"-"\u0b95",
"\u0b99"-"\u0b9a",
"\u0b9c",
"\u0b9e"-"\u0b9f",
"\u0ba3"-"\u0ba4",
"\u0ba8"-"\u0baa",
"\u0bae"-"\u0bb5",
"\u0bb7"-"\u0bb9",
"\u0bbe"-"\u0bc2",
"\u0bc6"-"\u0bc8",
"\u0bca"-"\u0bcd",
"\u0bd7",
"\u0be7"-"\u0bef",
"\u0c01"-"\u0c03",
"\u0c05"-"\u0c0c",
"\u0c0e"-"\u0c10",
"\u0c12"-"\u0c28",
"\u0c2a"-"\u0c33",
"\u0c35"-"\u0c39",
"\u0c3e"-"\u0c44",
"\u0c46"-"\u0c48",
"\u0c4a"-"\u0c4d",
"\u0c55"-"\u0c56",
"\u0c60"-"\u0c61",
"\u0c66"-"\u0c6f",
"\u0c82"-"\u0c83",
"\u0c85"-"\u0c8c",
"\u0c8e"-"\u0c90",
"\u0c92"-"\u0ca8",
"\u0caa"-"\u0cb3",
"\u0cb5"-"\u0cb9",
"\u0cbe"-"\u0cc4",
"\u0cc6"-"\u0cc8",
"\u0cca"-"\u0ccd",
"\u0cd5"-"\u0cd6",
"\u0cde",
"\u0ce0"-"\u0ce1",
"\u0ce6"-"\u0cef",
"\u0d02"-"\u0d03",
"\u0d05"-"\u0d0c",
"\u0d0e"-"\u0d10",
"\u0d12"-"\u0d28",
"\u0d2a"-"\u0d39",
"\u0d3e"-"\u0d43",
"\u0d46"-"\u0d48",
"\u0d4a"-"\u0d4d",
"\u0d57",
"\u0d60"-"\u0d61",
"\u0d66"-"\u0d6f",
"\u0d82"-"\u0d83",
"\u0d85"-"\u0d96",
"\u0d9a"-"\u0db1",
"\u0db3"-"\u0dbb",
"\u0dbd",
"\u0dc0"-"\u0dc6",
"\u0dca",
"\u0dcf"-"\u0dd4",
"\u0dd6",
"\u0dd8"-"\u0ddf",
"\u0df2"-"\u0df3",
"\u0e01"-"\u0e3a",
"\u0e3f"-"\u0e4e",
"\u0e50"-"\u0e59",
"\u0e81"-"\u0e82",
"\u0e84",
"\u0e87"-"\u0e88",
"\u0e8a",
"\u0e8d",
"\u0e94"-"\u0e97",
"\u0e99"-"\u0e9f",
"\u0ea1"-"\u0ea3",
"\u0ea5",
"\u0ea7",
"\u0eaa"-"\u0eab",
"\u0ead"-"\u0eb9",
"\u0ebb"-"\u0ebd",
"\u0ec0"-"\u0ec4",
"\u0ec6",
"\u0ec8"-"\u0ecd",
"\u0ed0"-"\u0ed9",
"\u0edc"-"\u0edd",
"\u0f00",
"\u0f18"-"\u0f19",
"\u0f20"-"\u0f29",
"\u0f35",
"\u0f37",
"\u0f39",
"\u0f3e"-"\u0f47",
"\u0f49"-"\u0f6a",
"\u0f71"-"\u0f84",
"\u0f86"-"\u0f8b",
"\u0f90"-"\u0f97",
"\u0f99"-"\u0fbc",
"\u0fc6",
"\u1000"-"\u1021",
"\u1023"-"\u1027",
"\u1029"-"\u102a",
"\u102c"-"\u1032",
"\u1036"-"\u1039",
"\u1040"-"\u1049",
"\u1050"-"\u1059",
"\u10a0"-"\u10c5",
"\u10d0"-"\u10f6",
"\u1100"-"\u1159",
"\u115f"-"\u11a2",
"\u11a8"-"\u11f9",
"\u1200"-"\u1206",
"\u1208"-"\u1246",
"\u1248",
"\u124a"-"\u124d",
"\u1250"-"\u1256",
"\u1258",
"\u125a"-"\u125d",
"\u1260"-"\u1286",
"\u1288",
"\u128a"-"\u128d",
"\u1290"-"\u12ae",
"\u12b0",
"\u12b2"-"\u12b5",
"\u12b8"-"\u12be",
"\u12c0",
"\u12c2"-"\u12c5",
"\u12c8"-"\u12ce",
"\u12d0"-"\u12d6",
"\u12d8"-"\u12ee",
"\u12f0"-"\u130e",
"\u1310",
"\u1312"-"\u1315",
"\u1318"-"\u131e",
"\u1320"-"\u1346",
"\u1348"-"\u135a",
"\u1369"-"\u1371",
"\u13a0"-"\u13f4",
"\u1401"-"\u166c",
"\u166f"-"\u1676",
"\u1681"-"\u169a",
"\u16a0"-"\u16ea",
"\u1780"-"\u17d3",
"\u17db",
"\u17e0"-"\u17e9",
"\u180b"-"\u180e",
"\u1810"-"\u1819",
"\u1820"-"\u1877",
"\u1880"-"\u18a9",
"\u1e00"-"\u1e9b",
"\u1ea0"-"\u1ef9",
"\u1f00"-"\u1f15",
"\u1f18"-"\u1f1d",
"\u1f20"-"\u1f45",
"\u1f48"-"\u1f4d",
"\u1f50"-"\u1f57",
"\u1f59",
"\u1f5b",
"\u1f5d",
"\u1f5f"-"\u1f7d",
"\u1f80"-"\u1fb4",
"\u1fb6"-"\u1fbc",
"\u1fbe",
"\u1fc2"-"\u1fc4",
"\u1fc6"-"\u1fcc",
"\u1fd0"-"\u1fd3",
"\u1fd6"-"\u1fdb",
"\u1fe0"-"\u1fec",
"\u1ff2"-"\u1ff4",
"\u1ff6"-"\u1ffc",
"\u200c"-"\u200f",
"\u202a"-"\u202e",
"\u203f"-"\u2040",
"\u206a"-"\u206f",
"\u207f",
"\u20a0"-"\u20af",
"\u20d0"-"\u20dc",
"\u20e1",
"\u2102",
"\u2107",
"\u210a"-"\u2113",
"\u2115",
"\u2119"-"\u211d",
"\u2124",
"\u2126",
"\u2128",
"\u212a"-"\u212d",
"\u212f"-"\u2131",
"\u2133"-"\u2139",
"\u2160"-"\u2183",
"\u3005"-"\u3007",
"\u3021"-"\u302f",
"\u3031"-"\u3035",
"\u3038"-"\u303a",
"\u3041"-"\u3094",
"\u3099"-"\u309a",
"\u309d"-"\u309e",
"\u30a1"-"\u30fe",
"\u3105"-"\u312c",
"\u3131"-"\u318e",
"\u31a0"-"\u31b7",
"\u3400"-"\u4db5",
"\u4e00"-"\u9fa5",
"\ua000"-"\ua48c",
"\uac00"-"\ud7a3",
"\uf900"-"\ufa2d",
"\ufb00"-"\ufb06",
"\ufb13"-"\ufb17",
"\ufb1d"-"\ufb28",
"\ufb2a"-"\ufb36",
"\ufb38"-"\ufb3c",
"\ufb3e",
"\ufb40"-"\ufb41",
"\ufb43"-"\ufb44",
"\ufb46"-"\ufbb1",
"\ufbd3"-"\ufd3d",
"\ufd50"-"\ufd8f",
"\ufd92"-"\ufdc7",
"\ufdf0"-"\ufdfb",
"\ufe20"-"\ufe23",
"\ufe33"-"\ufe34",
"\ufe4d"-"\ufe4f",
"\ufe69",
"\ufe70"-"\ufe72",
"\ufe74",
"\ufe76"-"\ufefc",
"\ufeff",
"\uff04",
"\uff10"-"\uff19",
"\uff21"-"\uff3a",
"\uff3f",
"\uff41"-"\uff5a",
"\uff65"-"\uffbe",
"\uffc2"-"\uffc7",
"\uffca"-"\uffcf",
"\uffd2"-"\uffd7",
"\uffda"-"\uffdc",
"\uffe0"-"\uffe1",
"\uffe5"-"\uffe6",
"\ufff9"-"\ufffb"
]
>
}
/* SEPARATORS */
TOKEN :
{
< LPAREN: "(" >
| < RPAREN: ")" >
| < LBRACE: "{" >
| < RBRACE: "}" >
| < LBRACKET: "[" >
| < RBRACKET: "]" >
| < SEMICOLON: ";" >
| < COMMA: "," >
| < DOT: "." >
| < AT: "@" >
}
/* OPERATORS */
TOKEN :
{
< ASSIGN: "=" >
| < LT: "<" >
| < BANG: "!" >
| < TILDE: "~" >
| < HOOK: "?" >
| < COLON: ":" >
| < EQ: "==" >
| < LE: "<=" >
| < GE: ">=" >
| < NE: "!=" >
| < SC_OR: "||" >
| < SC_AND: "&&" >
| < INCR: "++" >
| < DECR: "--" >
| < PLUS: "+" >
| < MINUS: "-" >
| < STAR: "*" >
| < SLASH: "/" >
| < BIT_AND: "&" >
| < BIT_OR: "|" >
| < XOR: "^" >
| < REM: "%" >
| < LSHIFT: "<<" >
| < PLUSASSIGN: "+=" >
| < MINUSASSIGN: "-=" >
| < STARASSIGN: "*=" >
| < SLASHASSIGN: "/=" >
| < ANDASSIGN: "&=" >
| < ORASSIGN: "|=" >
| < XORASSIGN: "^=" >
| < REMASSIGN: "%=" >
| < LSHIFTASSIGN: "<<=" >
| < RSIGNEDSHIFTASSIGN: ">>=" >
| < RUNSIGNEDSHIFTASSIGN: ">>>=" >
| < ELLIPSIS: "..." >
}
/* >'s need special attention due to generics syntax. */
TOKEN :
{
< RUNSIGNEDSHIFT: ">>>" >
{
matchedToken.kind = GT;
((MyToken)matchedToken).realKind = RUNSIGNEDSHIFT;
input_stream.backup(2);
matchedToken.image = ">";
}
| < RSIGNEDSHIFT: ">>" >
{
matchedToken.kind = GT;
((MyToken)matchedToken).realKind = RSIGNEDSHIFT;
input_stream.backup(1);
matchedToken.image = ">";
}
| < GT: ">" >
}
/*****************************************
* THE JAVA LANGUAGE GRAMMAR STARTS HERE *
*****************************************/
/*
* Program structuring syntax follows.
*/
void CompilationUnit():
{}
{
[ LOOKAHEAD( ( Annotation() )* "package" ) PackageDeclaration() ]
( ImportDeclaration() )*
( TypeDeclaration() )+
( < "\u001a" > )?
( )?
}
void PackageDeclaration():
{}
{
Modifiers() "package" Name() ";"
}
void ImportDeclaration():
{}
{
"import" [ "static" ] Name() [ "." "*" ] ";"
}
/*
* Modifiers. We match all modifiers in a single rule to reduce the chances of
* syntax errors for simple modifier mistakes. It will also enable us to give
* better error messages.
*/
int Modifiers():
{
int modifiers = 0;
}
{
(
LOOKAHEAD(2)
(
"public" { modifiers |= ModifierSet.PUBLIC; }
|
"static" { modifiers |= ModifierSet.STATIC; }
|
"protected" { modifiers |= ModifierSet.PROTECTED; }
|
"private" { modifiers |= ModifierSet.PRIVATE; }
|
"final" { modifiers |= ModifierSet.FINAL; }
|
"abstract" { modifiers |= ModifierSet.ABSTRACT; }
|
"synchronized" { modifiers |= ModifierSet.SYNCHRONIZED; }
|
"native" { modifiers |= ModifierSet.NATIVE; }
|
"transient" { modifiers |= ModifierSet.TRANSIENT; }
|
"volatile" { modifiers |= ModifierSet.VOLATILE; }
|
"strictfp" { modifiers |= ModifierSet.STRICTFP; }
|
Annotation()
)
)*
{
return modifiers;
}
}
/*
* Declaration syntax follows.
*/
void TypeDeclaration():
{
int modifiers;
}
{
";"
|
modifiers = Modifiers()
(
ClassOrInterfaceDeclaration(modifiers)
|
EnumDeclaration(modifiers)
|
AnnotationTypeDeclaration(modifiers)
)
}
void ClassOrInterfaceDeclaration(int modifiers):
{
boolean isInterface = false;
}
{
( "class" | "interface" { isInterface = true; } )
[ TypeParameters() ]
[ ExtendsList(isInterface) ]
[ ImplementsList(isInterface) ]
ClassOrInterfaceBody(isInterface)
}
void ExtendsList(boolean isInterface):
{
boolean extendsMoreThanOne = false;
}
{
"extends" ClassOrInterfaceType()
( "," ClassOrInterfaceType() { extendsMoreThanOne = true; } )*
{
if (extendsMoreThanOne && !isInterface)
throw new ParseException("A class cannot extend more than one other class");
}
}
void ImplementsList(boolean isInterface):
{}
{
"implements" ClassOrInterfaceType()
( "," ClassOrInterfaceType() )*
{
if (isInterface)
throw new ParseException("An interface cannot implement other interfaces");
}
}
void EnumDeclaration(int modifiers):
{}
{
"enum"
[ ImplementsList(false) ]
EnumBody()
}
void EnumBody():
{}
{
"{"
[ EnumConstant() ( LOOKAHEAD(2) "," EnumConstant() )* ]
[ "," ]
[ ";" ( ClassOrInterfaceBodyDeclaration(false) )* ]
"}"
}
void EnumConstant():
{}
{
Modifiers() [ Arguments() ] [ ClassOrInterfaceBody(false) ]
}
void TypeParameters():
{}
{
"<" TypeParameter() ( "," TypeParameter() )* ">"
}
void TypeParameter():
{}
{
[ TypeBound() ]
}
void TypeBound():
{}
{
"extends" ClassOrInterfaceType() ( "&" ClassOrInterfaceType() )*
}
void ClassOrInterfaceBody(boolean isInterface):
{}
{
"{" ( ClassOrInterfaceBodyDeclaration(isInterface) )* "}"
}
void ClassOrInterfaceBodyDeclaration(boolean isInterface):
{
boolean isNestedInterface = false;
int modifiers;
}
{
LOOKAHEAD(2)
Initializer()
{
if (isInterface)
throw new ParseException("An interface cannot have initializers");
}
|
modifiers = Modifiers() // Just get all the modifiers out of the way. If you want to do
// more checks, pass the modifiers down to the member
(
ClassOrInterfaceDeclaration(modifiers)
|
EnumDeclaration(modifiers)
|
LOOKAHEAD( [ TypeParameters() ] "(" )
ConstructorDeclaration()
|
LOOKAHEAD( Type() ( "[" "]" )* ( "," | "=" | ";" ) )
FieldDeclaration(modifiers)
|
MethodDeclaration(modifiers)
|
AnnotationTypeDeclaration(modifiers)
)
|
";"
}
void FieldDeclaration(int modifiers):
{}
{
// Modifiers are already matched in the caller
Type() VariableDeclarator() ( "," VariableDeclarator() )* ";"
}
void VariableDeclarator():
{}
{
VariableDeclaratorId() [ "=" VariableInitializer() ]
}
void VariableDeclaratorId():
{}
{
( "[" "]" )*
}
void VariableInitializer():
{}
{
ArrayInitializer()
|
Expression()
}
void ArrayInitializer():
{}
{
"{" [ VariableInitializer() ( LOOKAHEAD(2) "," VariableInitializer() )* ] [ "," ] "}"
}
void MethodDeclaration(int modifiers):
{}
{
// Modifiers already matched in the caller!
[ TypeParameters() ]
ResultType()
MethodDeclarator() [ "throws" NameList() ]
( Block() | ";" )
}
void MethodDeclarator():
{}
{
FormalParameters() ( "[" "]" )*
}
void FormalParameters():
{}
{
"(" [ FormalParameter() ( "," FormalParameter() )* ] ")"
}
void FormalParameter():
{}
{
// danson, added
// [ "final" | Annotation() ]
// See Java Language Specification, 3rd Edition, section 8.4.1
Modifiers() [ "final" | Annotation() ] Type() [ "..." ] VariableDeclaratorId()
}
void ConstructorDeclaration():
{}
{
[ TypeParameters() ]
// Modifiers matched in the caller
FormalParameters() [ "throws" NameList() ]
"{"
[ LOOKAHEAD(ExplicitConstructorInvocation())
ExplicitConstructorInvocation()
]
( BlockStatement() )*
"}"
}
void ExplicitConstructorInvocation():
{}
{
( "." )* [ LOOKAHEAD(2) "this" "." ]
[ TypeArguments() ] ("this"|"super") Arguments() ";"
}
void Initializer():
{}
{
[ "static" ] Block()
}
/*
* Type, name and expression syntax follows.
*/
void Type():
{}
{
LOOKAHEAD(2) ReferenceType()
|
PrimitiveType()
}
void ReferenceType():
{}
{
PrimitiveType() ( LOOKAHEAD(2) "[" "]" )+
|
( ClassOrInterfaceType() ) ( LOOKAHEAD(2) "[" "]" )*
}
void ClassOrInterfaceType():
{}
{
[ LOOKAHEAD(2) TypeArguments() ]
( LOOKAHEAD(2) "." [ LOOKAHEAD(2) TypeArguments() ] )*
}
void TypeArguments():
{}
{
"<" TypeArgument() ( "," TypeArgument() )* ">"
}
void TypeArgument():
{}
{
ReferenceType()
|
"?" [ WildcardBounds() ]
}
void WildcardBounds():
{}
{
"extends" ReferenceType()
|
"super" ReferenceType()
}
void PrimitiveType():
{}
{
"boolean"
|
"char"
|
"byte"
|
"short"
|
"int"
|
"long"
|
"float"
|
"double"
}
void ResultType():
{}
{
"void"
|
Type()
}
void Name():
/*
* A lookahead of 2 is required below since "Name" can be followed
* by a ".*" when used in the context of an "ImportDeclaration".
*/
{}
{
( LOOKAHEAD(2) "."
)*
}
void NameList():
{}
{
Name() ( "," Name() )*
}
/*
* Expression syntax follows.
*/
void Expression():
/*
* This expansion has been written this way instead of:
* Assignment() | ConditionalExpression()
* for performance reasons.
* However, it is a weakening of the grammar for it allows the LHS of
* assignments to be any conditional expression whereas it can only be
* a primary expression. Consider adding a semantic predicate to work
* around this.
*/
{}
{
ConditionalExpression()
[
LOOKAHEAD(2)
AssignmentOperator() Expression()
]
}
void AssignmentOperator():
{}
{
"=" | "*=" | "/=" | "%=" | "+=" | "-=" | "<<=" | ">>=" | ">>>=" | "&=" | "^=" | "|="
}
void ConditionalExpression():
{}
{
ConditionalOrExpression() [ "?" Expression() ":" Expression() ]
}
void ConditionalOrExpression():
{}
{
ConditionalAndExpression() ( "||" ConditionalAndExpression() )*
}
void ConditionalAndExpression():
{}
{
InclusiveOrExpression() ( "&&" InclusiveOrExpression() )*
}
void InclusiveOrExpression():
{}
{
ExclusiveOrExpression() ( "|" ExclusiveOrExpression() )*
}
void ExclusiveOrExpression():
{}
{
AndExpression() ( "^" AndExpression() )*
}
void AndExpression():
{}
{
EqualityExpression() ( "&" EqualityExpression() )*
}
void EqualityExpression():
{}
{
InstanceOfExpression() ( ( "==" | "!=" ) InstanceOfExpression() )*
}
void InstanceOfExpression():
{}
{
RelationalExpression() [ "instanceof" Type() ]
}
void RelationalExpression():
{}
{
ShiftExpression() ( ( "<" | ">" | "<=" | ">=" ) ShiftExpression() )*
}
void ShiftExpression():
{}
{
AdditiveExpression() ( ( "<<" | RSIGNEDSHIFT() | RUNSIGNEDSHIFT() ) AdditiveExpression() )*
}
void AdditiveExpression():
{}
{
MultiplicativeExpression() ( ( "+" | "-" ) MultiplicativeExpression() )*
}
void MultiplicativeExpression():
{}
{
UnaryExpression() ( ( "*" | "/" | "%" ) UnaryExpression() )*
}
void UnaryExpression():
{}
{
( "+" | "-" ) UnaryExpression()
|
PreIncrementExpression()
|
PreDecrementExpression()
|
UnaryExpressionNotPlusMinus()
}
void PreIncrementExpression():
{}
{
"++" PrimaryExpression()
}
void PreDecrementExpression():
{}
{
"--" PrimaryExpression()
}
void UnaryExpressionNotPlusMinus():
{}
{
( "~" | "!" ) UnaryExpression()
|
LOOKAHEAD( CastLookahead() )
CastExpression()
|
PostfixExpression()
}
// This production is to determine lookahead only. The LOOKAHEAD specifications
// below are not used, but they are there just to indicate that we know about
// this.
void CastLookahead():
{}
{
LOOKAHEAD(2)
"(" PrimitiveType()
|
LOOKAHEAD("(" Type() "[")
"(" Type() "[" "]"
|
"(" Type() ")" ( "~" | "!" | "(" | | "this" | "super" | "new" | Literal() )
}
void PostfixExpression():
{}
{
PrimaryExpression() [ "++" | "--" ]
}
void CastExpression():
{}
{
LOOKAHEAD("(" PrimitiveType())
"(" Type() ")" UnaryExpression()
|
"(" Type() ")" UnaryExpressionNotPlusMinus()
}
void PrimaryExpression():
{}
{
PrimaryPrefix() ( LOOKAHEAD(2) PrimarySuffix() )*
}
void MemberSelector():
{}
{
"." TypeArguments()
}
void PrimaryPrefix():
{}
{
Literal()
|
LOOKAHEAD( ( "." )* "this" )
( "." )*
"this"
|
"super" "."
|
// danson, added this part to support a construct like:
// Buffer.super.setDirty(true);
// See Java Language Specification, 3rd edition, section 15.11.2.
LOOKAHEAD( ClassOrInterfaceType() "." "super" "." )
ClassOrInterfaceType() "." "super" "."
|
"(" Expression() ")"
|
AllocationExpression()
|
LOOKAHEAD( ResultType() "." "class" )
ResultType() "." "class"
|
Name()
}
void PrimarySuffix():
{}
{
LOOKAHEAD("." "super" ".")
"." "super"
|
LOOKAHEAD("." "this")
"." "this"
|
LOOKAHEAD(2)
"." AllocationExpression()
|
LOOKAHEAD(3)
MemberSelector()
|
"[" Expression() "]"
|
"."
|
Arguments()
}
void Literal():
{}
{
|
|
|
|
BooleanLiteral()
|
NullLiteral()
}
void BooleanLiteral():
{}
{
"true"
|
"false"
}
void NullLiteral():
{}
{
"null"
}
void Arguments():
{}
{
"(" [ ArgumentList() ] ")"
}
void ArgumentList():
{}
{
Expression() ( "," Expression() )*
}
void AllocationExpression():
{}
{
LOOKAHEAD(2)
"new" PrimitiveType() ArrayDimsAndInits()
|
"new" ClassOrInterfaceType() [ TypeArguments() ]
(
ArrayDimsAndInits()
|
Arguments() [ ClassOrInterfaceBody(false) ]
)
}
/*
* The third LOOKAHEAD specification below is to parse to PrimarySuffix
* if there is an expression between the "[...]".
*/
void ArrayDimsAndInits():
{}
{
LOOKAHEAD(2)
( LOOKAHEAD(2) "[" Expression() "]" )+ ( LOOKAHEAD(2) "[" "]" )*
|
( "[" "]" )+ ArrayInitializer()
}
/*
* Statement syntax follows.
*/
void Statement():
{}
{
LOOKAHEAD(2)
LabeledStatement()
|
AssertStatement()
|
Block()
|
EmptyStatement()
|
StatementExpression() ";"
|
SwitchStatement()
|
IfStatement()
|
WhileStatement()
|
DoStatement()
|
ForStatement()
|
BreakStatement()
|
ContinueStatement()
|
ReturnStatement()
|
ThrowStatement()
|
SynchronizedStatement()
|
TryStatement()
}
void AssertStatement():
{}
{
"assert" Expression() [ ":" Expression() ] ";"
}
void LabeledStatement():
{}
{
":" Statement()
}
void Block():
{}
{
"{" ( BlockStatement() )* "}"
}
void BlockStatement():
{}
{
LOOKAHEAD( Modifiers() Type() )
LocalVariableDeclaration() ";"
|
Statement()
|
ClassOrInterfaceDeclaration(0)
}
void LocalVariableDeclaration():
{}
{
Modifiers() Type() VariableDeclarator() ( "," VariableDeclarator() )*
}
void EmptyStatement():
{}
{
";"
}
void StatementExpression():
/*
* The last expansion of this production accepts more than the legal
* Java expansions for StatementExpression. This expansion does not
* use PostfixExpression for performance reasons.
*/
{}
{
PreIncrementExpression()
|
PreDecrementExpression()
|
PrimaryExpression()
[
"++"
|
"--"
|
AssignmentOperator() Expression()
]
}
void SwitchStatement():
{}
{
"switch" "(" Expression() ")" "{"
( SwitchLabel() ( BlockStatement() )* )*
"}"
}
void SwitchLabel():
{}
{
"case" Expression() ":"
|
"default" ":"
}
void IfStatement():
/*
* The disambiguating algorithm of JavaCC automatically binds dangling
* else's to the innermost if statement. The LOOKAHEAD specification
* is to tell JavaCC that we know what we are doing.
*/
{}
{
"if" "(" Expression() ")" Statement() [ LOOKAHEAD(1) "else" Statement() ]
}
void WhileStatement():
{}
{
"while" "(" Expression() ")" Statement()
}
void DoStatement():
{}
{
"do" Statement() "while" "(" Expression() ")" ";"
}
void ForStatement():
{}
{
"for" "("
(
LOOKAHEAD(Modifiers() Type() ":")
Modifiers() Type() ":" Expression()
|
[ ForInit() ] ";" [ Expression() ] ";" [ ForUpdate() ]
)
")" Statement()
}
void ForInit():
{}
{
LOOKAHEAD( Modifiers() Type() )
LocalVariableDeclaration()
|
StatementExpressionList()
}
void StatementExpressionList():
{}
{
StatementExpression() ( "," StatementExpression() )*
}
void ForUpdate():
{}
{
StatementExpressionList()
}
void BreakStatement():
{}
{
"break" [ ] ";"
}
void ContinueStatement():
{}
{
"continue" [ ] ";"
}
void ReturnStatement():
{}
{
"return" [ Expression() ] ";"
}
void ThrowStatement():
{}
{
"throw" Expression() ";"
}
void SynchronizedStatement():
{}
{
"synchronized" "(" Expression() ")" Block()
}
void TryStatement():
/*
* Semantic check required here to make sure that at least one
* finally/catch is present.
*/
{}
{
"try" Block()
( "catch" "(" FormalParameter() ")" Block() )*
[ "finally" Block() ]
}
/* We use productions to match >>>, >> and > so that we can keep the
* type declaration syntax with generics clean
*/
void RUNSIGNEDSHIFT():
{}
{
( LOOKAHEAD({ getToken(1).kind == GT &&
((MyToken)getToken(1)).realKind == RUNSIGNEDSHIFT} )
">" ">" ">"
)
}
void RSIGNEDSHIFT():
{}
{
( LOOKAHEAD({ getToken(1).kind == GT &&
((MyToken)getToken(1)).realKind == RSIGNEDSHIFT} )
">" ">"
)
}
/* Annotation syntax follows. */
void Annotation():
{}
{
LOOKAHEAD( "@" Name() "(" ( "=" | ")" ))
NormalAnnotation()
|
LOOKAHEAD( "@" Name() "(" )
SingleMemberAnnotation()
|
MarkerAnnotation()
}
void NormalAnnotation():
{}
{
"@" Name() "(" [ MemberValuePairs() ] ")"
}
void MarkerAnnotation():
{}
{
"@" Name()
}
void SingleMemberAnnotation():
{}
{
"@" Name() "(" MemberValue() ")"
}
void MemberValuePairs():
{}
{
MemberValuePair() ( "," MemberValuePair() )*
}
void MemberValuePair():
{}
{
"=" MemberValue()
}
void MemberValue():
{}
{
Annotation()
|
MemberValueArrayInitializer()
|
ConditionalExpression()
}
void MemberValueArrayInitializer():
{}
{
"{" (MemberValue() ( LOOKAHEAD(2) "," MemberValue() )* [ "," ])? "}"
}
/* Annotation Types. */
void AnnotationTypeDeclaration(int modifiers):
{}
{
"@" "interface" AnnotationTypeBody()
}
void AnnotationTypeBody():
{}
{
"{" ( AnnotationTypeMemberDeclaration() )* "}"
}
void AnnotationTypeMemberDeclaration():
{
int modifiers;
}
{
modifiers = Modifiers()
(
LOOKAHEAD(Type() "(")
Type() "(" ")" [ DefaultValue() ] ";"
|
ClassOrInterfaceDeclaration(modifiers)
|
EnumDeclaration(modifiers)
|
AnnotationTypeDeclaration(modifiers)
|
FieldDeclaration(modifiers)
)
|
( ";" )
}
void DefaultValue():
{}
{
"default" MemberValue()
}