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89 lines
2.7 KiB
Plaintext
89 lines
2.7 KiB
Plaintext
/*
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* Copyright (C) 2010-2016 JPEXS, All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3.0 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library.
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*/
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package com.jpexs.decompiler.flash.docs;
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import java.util.Stack;
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%%
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%public
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%class DocsOperandLexer
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%final
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%unicode
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%char
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%type ParsedSymbol
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%{
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StringBuilder string = new StringBuilder();
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public int yychar() {
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return yychar;
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}
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private final Stack<ParsedSymbol> pushedBack = new Stack<>();
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public int yyline() {
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return yyline + 1;
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}
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public void pushback(ParsedSymbol symb) {
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pushedBack.push(symb);
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last = null;
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}
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private int count(String str, String target) {
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return (str.length() - str.replace(target, "").length()) / target.length();
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}
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ParsedSymbol last;
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public ParsedSymbol lex() throws java.io.IOException {
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ParsedSymbol ret = null;
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if (!pushedBack.isEmpty()){
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ret = last = pushedBack.pop();
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} else {
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ret = last = yylex();
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}
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return ret;
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}
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%}
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LineTerminator = \r|\n|\r\n
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WhiteSpace = {LineTerminator} | [ \t\f]+
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Identifier = [:jletter:][:jletterdigit:]*
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%%
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<YYINITIAL> {
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/* operators */
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"..." { return new ParsedSymbol(ParsedSymbol.TYPE_DOTS, yytext()); }
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":" { return new ParsedSymbol(ParsedSymbol.TYPE_COLON, yytext()); }
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"," { return new ParsedSymbol(ParsedSymbol.TYPE_COMMA, yytext()); }
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"[" { return new ParsedSymbol(ParsedSymbol.TYPE_BRACKET_OPEN, yytext()); }
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"]" { return new ParsedSymbol(ParsedSymbol.TYPE_BRACKET_CLOSE, yytext()); }
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"|" { return new ParsedSymbol(ParsedSymbol.TYPE_PIPE, yytext()); }
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"*" { return new ParsedSymbol(ParsedSymbol.TYPE_STAR, yytext()); }
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{WhiteSpace} { /*ignore*/ }
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{Identifier} { return new ParsedSymbol(ParsedSymbol.TYPE_IDENTIFIER, yytext()); }
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}
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/* error fallback */
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[^] { }
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<<EOF>> { return new ParsedSymbol(ParsedSymbol.TYPE_EOF, null); }
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