// Copyright 2014 Google Inc. All rights reserved. | |
// | |
// Licensed under the Apache License, Version 2.0 (the "License"); | |
// you may not use this file except in compliance with the License. | |
// You may obtain a copy of the License at | |
// | |
// http://www.apache.org/licenses/LICENSE-2.0 | |
// | |
// Unless required by applicable law or agreed to in writing, software | |
// distributed under the License is distributed on an "AS IS" BASIS, | |
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
// See the License for the specific language governing permissions and | |
// limitations under the License. | |
package com.google.devtools.build.lib.syntax; | |
/** | |
* A TokenKind is an enumeration of each different kind of lexical symbol. | |
*/ | |
public enum TokenKind { | |
ASSERT("assert"), | |
AND("and"), | |
AS("as"), | |
BREAK("break"), | |
CLASS("class"), | |
COLON(":"), | |
COMMA(","), | |
COMMENT("comment"), | |
CONTINUE("continue"), | |
DEF("def"), | |
DEL("del"), | |
DOT("."), | |
ELIF("elif"), | |
ELSE("else"), | |
EOF("EOF"), | |
EQUALS("="), | |
EQUALS_EQUALS("=="), | |
EXCEPT("except"), | |
FINALLY("finally"), | |
FOR("for"), | |
FROM("from"), | |
GLOBAL("global"), | |
GREATER(">"), | |
GREATER_EQUALS(">="), | |
IDENTIFIER("identifier"), | |
IF("if"), | |
ILLEGAL("illegal character"), | |
IMPORT("import"), | |
IN("in"), | |
INDENT("indent"), | |
INT("integer"), | |
IS("is"), | |
LAMBDA("lambda"), | |
LBRACE("{"), | |
LBRACKET("["), | |
LESS("<"), | |
LESS_EQUALS("<="), | |
LPAREN("("), | |
MINUS("-"), | |
NEWLINE("newline"), | |
NONLOCAL("nonlocal"), | |
NOT("not"), | |
NOT_EQUALS("!="), | |
NOT_IN("not in"), | |
OR("or"), | |
OUTDENT("outdent"), | |
PASS("pass"), | |
PERCENT("%"), | |
PIPE("|"), | |
PLUS("+"), | |
PLUS_EQUALS("+="), | |
RAISE("raise"), | |
RBRACE("}"), | |
RBRACKET("]"), | |
RETURN("return"), | |
RPAREN(")"), | |
SEMI(";"), | |
SLASH("/"), | |
STAR("*"), | |
STAR_STAR("**"), | |
STRING("string"), | |
TRY("try"), | |
WHILE("while"), | |
WITH("with"), | |
YIELD("yield"); | |
private final String prettyName; | |
private TokenKind(String prettyName) { | |
this.prettyName = prettyName; | |
} | |
/** | |
* Returns the pretty name for this token, for use in error messages for the user. | |
*/ | |
public String getPrettyName() { | |
return prettyName; | |
} | |
} |