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Diffstat (limited to 'src/jdk/nashorn/internal/parser/TokenType.java')
-rw-r--r--src/jdk/nashorn/internal/parser/TokenType.java299
1 files changed, 0 insertions, 299 deletions
diff --git a/src/jdk/nashorn/internal/parser/TokenType.java b/src/jdk/nashorn/internal/parser/TokenType.java
deleted file mode 100644
index 7201eb8f..00000000
--- a/src/jdk/nashorn/internal/parser/TokenType.java
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@@ -1,299 +0,0 @@
-/*
- * Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation. Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code 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 General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-package jdk.nashorn.internal.parser;
-
-import static jdk.nashorn.internal.parser.TokenKind.BINARY;
-import static jdk.nashorn.internal.parser.TokenKind.BRACKET;
-import static jdk.nashorn.internal.parser.TokenKind.FUTURE;
-import static jdk.nashorn.internal.parser.TokenKind.FUTURESTRICT;
-import static jdk.nashorn.internal.parser.TokenKind.IR;
-import static jdk.nashorn.internal.parser.TokenKind.KEYWORD;
-import static jdk.nashorn.internal.parser.TokenKind.LITERAL;
-import static jdk.nashorn.internal.parser.TokenKind.SPECIAL;
-import static jdk.nashorn.internal.parser.TokenKind.UNARY;
-
-import java.util.Locale;
-
-/**
- * Description of all the JavaScript tokens.
- */
-@SuppressWarnings("javadoc")
-public enum TokenType {
- ERROR (SPECIAL, null),
- EOF (SPECIAL, null),
- EOL (SPECIAL, null),
- COMMENT (SPECIAL, null),
- // comments of the form //@ foo=bar or //# foo=bar
- // These comments are treated as special instructions
- // to the lexer, parser or codegenerator.
- DIRECTIVE_COMMENT (SPECIAL, null),
-
- NOT (UNARY, "!", 14, false),
- NE (BINARY, "!=", 9, true),
- NE_STRICT (BINARY, "!==", 9, true),
- MOD (BINARY, "%", 13, true),
- ASSIGN_MOD (BINARY, "%=", 2, false),
- BIT_AND (BINARY, "&", 8, true),
- AND (BINARY, "&&", 5, true),
- ASSIGN_BIT_AND (BINARY, "&=", 2, false),
- LPAREN (BRACKET, "(", 16, true),
- RPAREN (BRACKET, ")", 0, true),
- MUL (BINARY, "*", 13, true),
- ASSIGN_MUL (BINARY, "*=", 2, false),
- ADD (BINARY, "+", 12, true),
- INCPREFIX (UNARY, "++", 15, true),
- ASSIGN_ADD (BINARY, "+=", 2, false),
- COMMARIGHT (BINARY, ",", 1, true),
- SUB (BINARY, "-", 12, true),
- DECPREFIX (UNARY, "--", 15, true),
- ASSIGN_SUB (BINARY, "-=", 2, false),
- PERIOD (BRACKET, ".", 17, true),
- DIV (BINARY, "/", 13, true),
- ASSIGN_DIV (BINARY, "/=", 2, false),
- COLON (BINARY, ":"),
- SEMICOLON (BINARY, ";"),
- LT (BINARY, "<", 10, true),
- SHL (BINARY, "<<", 11, true),
- ASSIGN_SHL (BINARY, "<<=", 2, false),
- LE (BINARY, "<=", 10, true),
- ASSIGN (BINARY, "=", 2, false),
- EQ (BINARY, "==", 9, true),
- EQ_STRICT (BINARY, "===", 9, true),
- BIND (BINARY, "=>", 9, true),
- GT (BINARY, ">", 10, true),
- GE (BINARY, ">=", 10, true),
- SAR (BINARY, ">>", 11, true),
- ASSIGN_SAR (BINARY, ">>=", 2, false),
- SHR (BINARY, ">>>", 11, true),
- ASSIGN_SHR (BINARY, ">>>=", 2, false),
- TERNARY (BINARY, "?", 3, false),
- LBRACKET (BRACKET, "[", 17, true),
- RBRACKET (BRACKET, "]", 0, true),
- BIT_XOR (BINARY, "^", 7, true),
- ASSIGN_BIT_XOR (BINARY, "^=", 2, false),
- LBRACE (BRACKET, "{"),
- BIT_OR (BINARY, "|", 6, true),
- ASSIGN_BIT_OR (BINARY, "|=", 2, false),
- OR (BINARY, "||", 4, true),
- RBRACE (BRACKET, "}"),
- BIT_NOT (UNARY, "~", 14, false),
-
- // ECMA 7.6.1.1 Keywords, 7.6.1.2 Future Reserved Words.
- // All other Java keywords are commented out.
-
-// ABSTRACT (FUTURE, "abstract"),
-// BOOLEAN (FUTURE, "boolean"),
- BREAK (KEYWORD, "break"),
-// BYTE (FUTURE, "byte"),
- CASE (KEYWORD, "case"),
- CATCH (KEYWORD, "catch"),
-// CHAR (FUTURE, "char"),
- CLASS (FUTURE, "class"),
- CONST (KEYWORD, "const"),
- CONTINUE (KEYWORD, "continue"),
- DEBUGGER (KEYWORD, "debugger"),
- DEFAULT (KEYWORD, "default"),
- DELETE (UNARY, "delete", 14, false),
- DO (KEYWORD, "do"),
-// DOUBLE (FUTURE, "double"),
-// EACH (KEYWORD, "each"), // Contextual.
- ELSE (KEYWORD, "else"),
- ENUM (FUTURE, "enum"),
- EXPORT (FUTURE, "export"),
- EXTENDS (FUTURE, "extends"),
- FALSE (LITERAL, "false"),
-// FINAL (FUTURE, "final"),
- FINALLY (KEYWORD, "finally"),
-// FLOAT (FUTURE, "float"),
- FOR (KEYWORD, "for"),
- FUNCTION (KEYWORD, "function"),
-// GET (KEYWORD, "get"), // Contextual.
-// GOTO (FUTURE, "goto"),
- IF (KEYWORD, "if"),
- IMPLEMENTS (FUTURESTRICT, "implements"),
- IMPORT (FUTURE, "import"),
- IN (BINARY, "in", 10, true),
- INSTANCEOF (BINARY, "instanceof", 10, true),
-// INT (FUTURE, "int"),
- INTERFACE (FUTURESTRICT, "interface"),
- LET (FUTURESTRICT, "let"),
-// LONG (FUTURE, "long"),
-// NATIVE (FUTURE, "native"),
- NEW (UNARY, "new", 17, false),
- NULL (LITERAL, "null"),
- PACKAGE (FUTURESTRICT, "package"),
- PRIVATE (FUTURESTRICT, "private"),
- PROTECTED (FUTURESTRICT, "protected"),
- PUBLIC (FUTURESTRICT, "public"),
- RETURN (KEYWORD, "return"),
-// SET (KEYWORD, "set"), // Contextual.
-// SHORT (FUTURE, "short"),
- STATIC (FUTURESTRICT, "static"),
- SUPER (FUTURE, "super"),
- SWITCH (KEYWORD, "switch"),
-// SYNCHRONIZED (FUTURE, "synchronized"),
- THIS (KEYWORD, "this"),
- THROW (KEYWORD, "throw"),
-// THROWS (FUTURE, "throws"),
-// TRANSIENT (FUTURE, "transient"),
- TRUE (LITERAL, "true"),
- TRY (KEYWORD, "try"),
- TYPEOF (UNARY, "typeof", 14, false),
- VAR (KEYWORD, "var"),
- VOID (UNARY, "void", 14, false),
-// VOLATILE (FUTURE, "volatile"),
- WHILE (KEYWORD, "while"),
- WITH (KEYWORD, "with"),
- YIELD (FUTURESTRICT, "yield"),
-
- DECIMAL (LITERAL, null),
- OCTAL (LITERAL, null),
- HEXADECIMAL (LITERAL, null),
- FLOATING (LITERAL, null),
- STRING (LITERAL, null),
- ESCSTRING (LITERAL, null),
- EXECSTRING (LITERAL, null),
- IDENT (LITERAL, null),
- REGEX (LITERAL, null),
- XML (LITERAL, null),
- OBJECT (LITERAL, null),
- ARRAY (LITERAL, null),
-
- COMMALEFT (IR, null),
- DECPOSTFIX (IR, null),
- INCPOSTFIX (IR, null);
-
- /** Next token kind in token lookup table. */
- private TokenType next;
-
- /** Classification of token. */
- private final TokenKind kind;
-
- /** Printable name of token. */
- private final String name;
-
- /** Operator precedence. */
- private final int precedence;
-
- /** Left associativity */
- private final boolean isLeftAssociative;
-
- /** Cache values to avoid cloning. */
- private static final TokenType[] values;
-
- TokenType(final TokenKind kind, final String name) {
- next = null;
- this.kind = kind;
- this.name = name;
- precedence = 0;
- isLeftAssociative = false;
- }
-
- TokenType(final TokenKind kind, final String name, final int precedence, final boolean isLeftAssociative) {
- next = null;
- this.kind = kind;
- this.name = name;
- this.precedence = precedence;
- this.isLeftAssociative = isLeftAssociative;
- }
-
- /**
- * Determines if the token has greater precedence than other.
- *
- * @param other Compare token.
- * @param isLeft Is to the left of the other.
- *
- * @return {@code true} if greater precedence.
- */
- public boolean needsParens(final TokenType other, final boolean isLeft) {
- return other.precedence != 0 &&
- (precedence > other.precedence ||
- precedence == other.precedence && isLeftAssociative && !isLeft);
- }
-
- /**
- * Determines if the type is a valid operator.
- *
- * @param noIn {@code true} if IN operator should be ignored.
- *
- * @return {@code true} if valid operator.
- */
- public boolean isOperator(final boolean noIn) {
- return kind == BINARY && (!noIn || this != IN) && precedence != 0;
- }
-
-
- public int getLength() {
- assert name != null : "Token name not set";
- return name.length();
- }
-
- public String getName() {
- return name;
- }
-
- public String getNameOrType() {
- return name == null ? super.name().toLowerCase(Locale.ENGLISH) : name;
- }
-
- public TokenType getNext() {
- return next;
- }
-
- public void setNext(final TokenType next) {
- this.next = next;
- }
-
- public TokenKind getKind() {
- return kind;
- }
-
- public int getPrecedence() {
- return precedence;
- }
-
- public boolean isLeftAssociative() {
- return isLeftAssociative;
- }
-
- boolean startsWith(final char c) {
- return name != null && name.length() > 0 && name.charAt(0) == c;
- }
-
- static TokenType[] getValues() {
- return values;
- }
-
- @Override
- public String toString() {
- return getNameOrType();
- }
-
- static {
- // Avoid cloning of enumeration.
- values = TokenType.values();
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 09:40:21 +0000