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faster syntax highlighting
This commit is contained in:
honfika@gmail.com
@@ -1,190 +1,190 @@
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/*
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* Copyright (C) 2010-2015 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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/* Flash assembler language lexer specification */
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package com.jpexs.decompiler.flash.action.parser.pcode;
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import com.jpexs.decompiler.flash.action.parser.ActionParseException;
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import com.jpexs.decompiler.flash.action.swf4.ConstantIndex;
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import com.jpexs.decompiler.flash.action.swf4.RegisterNumber;
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import com.jpexs.decompiler.flash.ecma.Null;
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import com.jpexs.decompiler.flash.ecma.Undefined;
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%%
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%public
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%class FlasmLexer
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%final
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%unicode
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%char
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%line
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%column
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%type ASMParsedSymbol
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%throws ActionParseException
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%{
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StringBuffer string = new StringBuffer();
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/**
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* Create an empty lexer, yyrset will be called later to reset and assign
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* the reader
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*/
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public FlasmLexer() {
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}
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public int yychar() {
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return yychar;
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}
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public int yyline() {
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return yyline + 1;
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}
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%}
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/* main character classes */
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LineTerminator = \r|\n|\r\n
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InputCharacter = [^\r\n]
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Comment = ";" {InputCharacter}*
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WhiteSpace = [ \t\f]+
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/* identifiers */
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Identifier = [:jletter:][:jletterdigit:]*
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InstructionName = [a-zA-Z][a-zA-Z0-9_]*
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Label = {Identifier}:
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StartOfBlock = "{"
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EndOfBlock = "}"
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True = "true"
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False = "false"
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False = "false"
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Null = "null"
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Undefined = "undefined"
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Infinity = -? "Infinity"
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/* integer literals */
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PositiveNumberLiteral = 0 | [1-9][0-9]*
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NegativeNumberLiteral = - {PositiveNumberLiteral}
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NumberLiteral = {PositiveNumberLiteral}|{NegativeNumberLiteral}
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/* floating point literals */
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FloatLiteral = "NaN" | {Infinity} | -?(({FLit1}|{FLit2}|{FLit3}) {Exponent}?)
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FLit1 = [0-9]+ \. [0-9]*
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FLit2 = \. [0-9]+
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FLit3 = [0-9]+
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Exponent = [eE] [+-]? [0-9]+
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HexDigit = [0-9a-fA-F]
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/* string and character literals */
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StringCharacter = [^\r\n\"\\]
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Register= register{PositiveNumberLiteral}
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Constant= constant{PositiveNumberLiteral}
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%state STRING,PARAMETERS
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%%
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<YYINITIAL> {
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/* whitespace */
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{WhiteSpace} { }
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{Label} {
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String s=yytext();
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return new ASMParsedSymbol(ASMParsedSymbol.TYPE_LABEL, s.substring(0, s.length() - 1));
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}
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/* identifiers */
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{InstructionName} { yybegin(PARAMETERS);
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return new ASMParsedSymbol(ASMParsedSymbol.TYPE_INSTRUCTION_NAME, yytext());
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}
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{EndOfBlock} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BLOCK_END); }
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}
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<PARAMETERS> {
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/* string literal */
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\" {
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yybegin(STRING);
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string.setLength(0);
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}
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/* numeric literals */
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{NumberLiteral} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_INTEGER, Long.parseLong((yytext()))); }
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{FloatLiteral} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_FLOAT, Double.parseDouble((yytext()))); }
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{LineTerminator} {yybegin(YYINITIAL); return new ASMParsedSymbol(ASMParsedSymbol.TYPE_EOL); }
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{Comment} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_COMMENT, yytext().substring(1));}
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{StartOfBlock} { yybegin(YYINITIAL); return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BLOCK_START); }
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{True} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BOOLEAN,Boolean.TRUE);}
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{False} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BOOLEAN,Boolean.FALSE);}
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{Null} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_NULL, new Null());}
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{Undefined} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_UNDEFINED, new Undefined());}
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{Register} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_REGISTER, new RegisterNumber(Integer.parseInt(yytext().substring(8)))); }
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{Constant} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_CONSTANT, new ConstantIndex(Integer.parseInt(yytext().substring(8)))); }
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{Identifier} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_IDENTIFIER, yytext()); }
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}
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<STRING> {
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\" {
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yybegin(PARAMETERS);
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// length also includes the trailing quote
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return new ASMParsedSymbol(ASMParsedSymbol.TYPE_STRING, string.toString());
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}
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{StringCharacter}+ { string.append(yytext()); }
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/* escape sequences */
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"\\b" { string.append('\b'); }
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"\\t" { string.append('\t'); }
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"\\n" { string.append('\n'); }
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"\\f" { string.append('\f'); }
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"\\r" { string.append('\r'); }
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"\\\"" { string.append('\"'); }
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"\\'" { string.append('\''); }
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"\\\\" { string.append('\\'); }
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\\x{HexDigit}{2} { char val = (char) Integer.parseInt(yytext().substring(2), 16);
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string.append(val); }
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\\u{HexDigit}{4} { char val = (char) Integer.parseInt(yytext().substring(2), 16);
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string.append(val); }
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/* error cases */
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\\. { throw new ActionParseException("Illegal escape sequence \"" + yytext() + "\"", yyline + 1); }
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{LineTerminator} { throw new ActionParseException("Unterminated string at end of line", yyline + 1); }
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}
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/* error fallback */
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[^] { }
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<<EOF>> { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_EOF); }
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/*
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* Copyright (C) 2010-2015 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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/* Flash assembler language lexer specification */
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package com.jpexs.decompiler.flash.action.parser.pcode;
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import com.jpexs.decompiler.flash.action.parser.ActionParseException;
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import com.jpexs.decompiler.flash.action.swf4.ConstantIndex;
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import com.jpexs.decompiler.flash.action.swf4.RegisterNumber;
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import com.jpexs.decompiler.flash.ecma.Null;
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import com.jpexs.decompiler.flash.ecma.Undefined;
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%%
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%public
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%class FlasmLexer
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%final
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%unicode
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%char
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%line
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%column
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%type ASMParsedSymbol
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%throws ActionParseException
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%{
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StringBuilder string = new StringBuilder();
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/**
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* Create an empty lexer, yyrset will be called later to reset and assign
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* the reader
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*/
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public FlasmLexer() {
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}
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public int yychar() {
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return yychar;
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}
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public int yyline() {
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return yyline + 1;
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}
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%}
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/* main character classes */
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LineTerminator = \r|\n|\r\n
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InputCharacter = [^\r\n]
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Comment = ";" {InputCharacter}*
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WhiteSpace = [ \t\f]+
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/* identifiers */
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Identifier = [:jletter:][:jletterdigit:]*
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InstructionName = [a-zA-Z][a-zA-Z0-9_]*
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Label = {Identifier}:
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StartOfBlock = "{"
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EndOfBlock = "}"
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True = "true"
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False = "false"
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False = "false"
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Null = "null"
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Undefined = "undefined"
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Infinity = -? "Infinity"
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/* integer literals */
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PositiveNumberLiteral = 0 | [1-9][0-9]*
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NegativeNumberLiteral = - {PositiveNumberLiteral}
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NumberLiteral = {PositiveNumberLiteral}|{NegativeNumberLiteral}
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/* floating point literals */
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FloatLiteral = "NaN" | {Infinity} | -?(({FLit1}|{FLit2}|{FLit3}) {Exponent}?)
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FLit1 = [0-9]+ \. [0-9]*
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FLit2 = \. [0-9]+
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FLit3 = [0-9]+
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Exponent = [eE] [+-]? [0-9]+
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HexDigit = [0-9a-fA-F]
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/* string and character literals */
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StringCharacter = [^\r\n\"\\]
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Register= register{PositiveNumberLiteral}
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Constant= constant{PositiveNumberLiteral}
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%state STRING,PARAMETERS
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%%
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<YYINITIAL> {
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/* whitespace */
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{WhiteSpace} { }
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{Label} {
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String s=yytext();
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return new ASMParsedSymbol(ASMParsedSymbol.TYPE_LABEL, s.substring(0, s.length() - 1));
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}
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/* identifiers */
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{InstructionName} { yybegin(PARAMETERS);
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return new ASMParsedSymbol(ASMParsedSymbol.TYPE_INSTRUCTION_NAME, yytext());
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}
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{EndOfBlock} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BLOCK_END); }
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}
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<PARAMETERS> {
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/* string literal */
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\" {
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yybegin(STRING);
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string.setLength(0);
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}
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/* numeric literals */
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{NumberLiteral} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_INTEGER, Long.parseLong((yytext()))); }
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{FloatLiteral} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_FLOAT, Double.parseDouble((yytext()))); }
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{LineTerminator} {yybegin(YYINITIAL); return new ASMParsedSymbol(ASMParsedSymbol.TYPE_EOL); }
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{Comment} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_COMMENT, yytext().substring(1));}
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{StartOfBlock} { yybegin(YYINITIAL); return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BLOCK_START); }
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{True} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BOOLEAN,Boolean.TRUE);}
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{False} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_BOOLEAN,Boolean.FALSE);}
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{Null} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_NULL, Null.INSTANCE);}
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{Undefined} {return new ASMParsedSymbol(ASMParsedSymbol.TYPE_UNDEFINED, Undefined.INSTANCE);}
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{Register} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_REGISTER, new RegisterNumber(Integer.parseInt(yytext().substring(8)))); }
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{Constant} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_CONSTANT, new ConstantIndex(Integer.parseInt(yytext().substring(8)))); }
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{Identifier} { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_IDENTIFIER, yytext()); }
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}
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<STRING> {
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\" {
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yybegin(PARAMETERS);
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// length also includes the trailing quote
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return new ASMParsedSymbol(ASMParsedSymbol.TYPE_STRING, string.toString());
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}
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{StringCharacter}+ { string.append(yytext()); }
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/* escape sequences */
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"\\b" { string.append('\b'); }
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"\\t" { string.append('\t'); }
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"\\n" { string.append('\n'); }
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"\\f" { string.append('\f'); }
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"\\r" { string.append('\r'); }
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"\\\"" { string.append('\"'); }
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"\\'" { string.append('\''); }
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"\\\\" { string.append('\\'); }
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\\x{HexDigit}{2} { char val = (char) Integer.parseInt(yytext().substring(2), 16);
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string.append(val); }
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\\u{HexDigit}{4} { char val = (char) Integer.parseInt(yytext().substring(2), 16);
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string.append(val); }
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/* error cases */
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\\. { throw new ActionParseException("Illegal escape sequence \"" + yytext() + "\"", yyline + 1); }
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{LineTerminator} { throw new ActionParseException("Unterminated string at end of line", yyline + 1); }
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}
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/* error fallback */
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[^] { }
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<<EOF>> { return new ASMParsedSymbol(ASMParsedSymbol.TYPE_EOF); }
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