diff options
Diffstat (limited to 'java/demo/Manual/evictor_filesystem/Grammar.java')
| -rw-r--r-- | java/demo/Manual/evictor_filesystem/Grammar.java | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/java/demo/Manual/evictor_filesystem/Grammar.java b/java/demo/Manual/evictor_filesystem/Grammar.java deleted file mode 100644 index 57f046c62e3..00000000000 --- a/java/demo/Manual/evictor_filesystem/Grammar.java +++ /dev/null @@ -1,202 +0,0 @@ -// ********************************************************************** -// -// Copyright (c) 2003-2015 ZeroC, Inc. All rights reserved. -// -// This copy of Ice is licensed to you under the terms described in the -// ICE_LICENSE file included in this distribution. -// -// ********************************************************************** - -class Grammar -{ - Grammar(Parser p) - { - _parser = p; - _scanner = new Scanner(_parser); - } - - void - parse() - { - while(true) - { - try - { - _token = _scanner.nextToken(); - if(_token == null) - { - return; - } - else if(_token.type == Token.TOK_SEMI) - { - // Continue - } - else if(_token.type == Token.TOK_HELP) - { - _token = _scanner.nextToken(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - _parser.usage(); - } - else if(_token.type == Token.TOK_EXIT) - { - _token = _scanner.nextToken(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - return; - } - else if(_token.type == Token.TOK_LIST) - { - _token = _scanner.nextToken(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - _parser.list(false); - } - else if(_token.type == Token.TOK_LIST_RECURSIVE) - { - _token = _scanner.nextToken(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - _parser.list(true); - } - else if(_token.type == Token.TOK_CREATE_FILE) - { - java.util.List<String> s = strings(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - if(s.size() == 0) - { - throw new ParseError("usage: mkfile FILE [FILE...]"); - } - _parser.createFile(s); - } - else if(_token.type == Token.TOK_CREATE_DIR) - { - java.util.List<String> s = strings(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - if(s.size() == 0) - { - throw new ParseError("usage: mkdir DIR [DIR...]"); - } - _parser.createDir(s); - } - else if(_token.type == Token.TOK_PWD) - { - _token = _scanner.nextToken(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - _parser.pwd(); - } - else if(_token.type == Token.TOK_CD) - { - java.util.List<String> s = strings(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - if(s.size() > 1) - { - throw new ParseError("usage: cd [DIR]"); - } - else if(s.size() == 0) - { - _parser.cd("/"); - } - else - { - _parser.cd(s.get(0)); - } - } - else if(_token.type == Token.TOK_CAT) - { - java.util.List<String> s = strings(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - if(s.size() != 1) - { - throw new ParseError("usage: cat FILE"); - } - _parser.cat(s.get(0)); - } - else if(_token.type == Token.TOK_WRITE) - { - java.util.LinkedList<String> s = strings(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - if(s.size() == 0) - { - throw new ParseError("usage: write FILE [STRING...]"); - } - _parser.write(s); - } - else if(_token.type == Token.TOK_RM) - { - java.util.List<String> s = strings(); - if(_token.type != Token.TOK_SEMI) - { - throw new ParseError("Expected ';'"); - } - if(s.size() == 0) - { - throw new ParseError("usage: rm NAME [NAME...]"); - } - _parser.destroy(s); - } - else - { - _parser.error("parse error"); - } - } - catch(ParseError e) - { - _parser.error("Parse error: " + e.getMessage()); - } - } - } - - private java.util.LinkedList<String> - strings() - { - java.util.LinkedList<String> l = new java.util.LinkedList<String>(); - while(true) - { - _token = _scanner.nextToken(); - if(_token.type != Token.TOK_STRING) - { - return l; - } - l.add(_token.value); - } - } - - static private class ParseError extends RuntimeException - { - ParseError(String msg) - { - super(msg); - } - } - - private Parser _parser; - private Scanner _scanner; - private Token _token; -} |