// This JLex file was machine-generated by the BNF converter package se.chalmers.cs.gf.SyntaxTree; import java_cup.runtime.*; %% %cup %unicode %line %public %{ String pstring = new String(); public int line_num() { return (yyline+1); } public String buff() { return new String(yy_buffer,yy_buffer_index,10).trim(); } %} LETTER = ({CAPITAL}|{SMALL}) CAPITAL = [A-Z\xC0-\xD6\xD8-\xDE] SMALL = [a-z\xDF-\xF6\xF8-\xFF] DIGIT = [0-9] IDENT = ({LETTER}|{DIGIT}|['_]) %state COMMENT %state CHAR %state CHARESC %state CHAREND %state STRING %state ESCAPED %% <YYINITIAL>\( { return new Symbol(sym._SYMB_0); } <YYINITIAL>\) { return new Symbol(sym._SYMB_1); } <YYINITIAL>"\"" { yybegin(STRING); } <STRING>\\ { yybegin(ESCAPED); } <STRING>\" { String foo = pstring; pstring = new String(); yybegin(YYINITIAL); return new Symbol(sym._STRING_, foo); } <STRING>. { pstring += yytext(); } <ESCAPED>n { pstring += "\n"; yybegin(STRING); } <ESCAPED>\" { pstring += "\""; yybegin(STRING); } <ESCAPED>\\ { pstring += "\\"; yybegin(STRING); } <ESCAPED>t { pstring += "\t"; yybegin(STRING); } <ESCAPED>. { pstring += yytext(); yybegin(STRING); } <YYINITIAL>{DIGIT}+ { return new Symbol(sym._INTEGER_, new Integer(yytext())); } <YYINITIAL>{LETTER}{IDENT}* { return new Symbol(sym._IDENT_, new String(yytext())); } <YYINITIAL>[ \t\r\n\f] { /* ignore white space. */ }