%{
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%{
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/**********************************************************************************
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/**********************************************************************************
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Theia, Ray Cast Programable graphic Processing Unit.
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Theia, Ray Cast Programable graphic Processing Unit.
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Copyright (C) 2012 Diego Valverde (diego.valverde.g@gmail.com)
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Copyright (C) 2012 Diego Valverde (diego.valverde.g@gmail.com)
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This program is free software; you can redistribute it and/or
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program 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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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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***********************************************************************************/
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***********************************************************************************/
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#include "Scanner.h"
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#include "Scanner.h"
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// used to keep track of location
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// used to keep track of location
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#define YY_USER_ACTION yylloc->columns(yyleng);
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#define YY_USER_ACTION yylloc->columns(yyleng);
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int LineNumber = 1;
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int LineNumber = 1;
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%}
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%}
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%option nodefault yyclass="Scanner" noyywrap c++
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%option nodefault yyclass="Scanner" noyywrap c++
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comment "//"(.*)*\n
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comment "//"(.*)*\n
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separator ([ \t""])+
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separator ([ \t""])+
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character [a-zA-Z]
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character [a-zA-Z]
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hexchar [a-fA-F]
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hexchar [a-fA-F]
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digit [0-9]
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digit [0-9]
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decconstant {digit}({digit})*
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decconstant {digit}({digit})*
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hexconstant 0x({digit}|{hexchar})+
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hexconstant 0x({digit}|{hexchar})+
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binconstant 0b(1|0)+
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binconstant 0b(1|0)+
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registry (r|R)({digit})+
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registry (r|R)({digit})+
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identifier ([a-wA-Z])({character}|{digit}|_)*
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identifier ([a-wA-Z])({character}|{digit}|_)*
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%%
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%%
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%{
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%{
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yylloc->step();
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yylloc->step();
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%}
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%}
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{comment} {yylloc->lines(); ;LineNumber++; ;}
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{comment} {yylloc->lines(); ;LineNumber++; ;}
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"\n" {yylloc->lines(); ;LineNumber++;}
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"\n" {yylloc->lines(); ;LineNumber++;}
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{separator} {/* do nothing */}
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{separator} {/* do nothing */}
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{decconstant} { *yylval = yytext; return Theia::Parser::token::DECCONST; }
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{decconstant} { *yylval = yytext; return Theia::Parser::token::DECCONST; }
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{hexconstant} { *yylval = yytext; return Theia::Parser::token::HEXCONST; }
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{hexconstant} { *yylval = yytext; return Theia::Parser::token::HEXCONST; }
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{binconstant} { *yylval = yytext; return Theia::Parser::token::BINCONST; }
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{binconstant} { *yylval = yytext; return Theia::Parser::token::BINCONST; }
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"sqrt" {return Theia::Parser::token::SQRT;}
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"sqrt" {return Theia::Parser::token::SQRT;}
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"if" {return Theia::Parser::token::IF;}
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"if" {return Theia::Parser::token::IF;}
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"else" {return Theia::Parser::token::ELSE;}
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"else" {return Theia::Parser::token::ELSE;}
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"while" {return Theia::Parser::token::WHILE;}
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"while" {return Theia::Parser::token::WHILE;}
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"&" {return Theia::Parser::token::BITWISE_AND;}
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"&" {return Theia::Parser::token::BITWISE_AND;}
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"|" {return Theia::Parser::token::BITWISE_OR;}
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"|" {return Theia::Parser::token::BITWISE_OR;}
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"function" {return Theia::Parser::token::FUNCTION;}
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"function" {return Theia::Parser::token::FUNCTION;}
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"jmp" {return Theia::Parser::token::JMP;}
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"jmp" {return Theia::Parser::token::JMP;}
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"return" {return Theia::Parser::token::RETURN;}
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"return" {return Theia::Parser::token::RETURN;}
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"exit" {return Theia::Parser::token::EXIT;}
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"exit" {return Theia::Parser::token::EXIT;}
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"vector" {return Theia::Parser::token::AUTO;}
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"vector" {return Theia::Parser::token::AUTO;}
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"thread" {return Theia::Parser::token::THREAD;}
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"thread" {return Theia::Parser::token::THREAD;}
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"start" {return Theia::Parser::token::START;}
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"start" {return Theia::Parser::token::START;}
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"(" {return Theia::Parser::token::OPEN_ROUND_BRACE;}
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"(" {return Theia::Parser::token::OPEN_ROUND_BRACE;}
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")" {return Theia::Parser::token::CLOSE_ROUND_BRACE;}
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")" {return Theia::Parser::token::CLOSE_ROUND_BRACE;}
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"{" {return Theia::Parser::token::OPEN_BRACE;}
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"{" {return Theia::Parser::token::OPEN_BRACE;}
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"}" {return Theia::Parser::token::CLOSE_BRACE;}
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"}" {return Theia::Parser::token::CLOSE_BRACE;}
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"-" {*yylval = yytext;return Theia::Parser::token::MINUS; }
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"-" {*yylval = yytext;return Theia::Parser::token::MINUS; }
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"==" {return Theia::Parser::token::EQUAL; }
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"==" {return Theia::Parser::token::EQUAL; }
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"!=" {return Theia::Parser::token::NOT_EQUAL; }
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"!=" {return Theia::Parser::token::NOT_EQUAL; }
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"scale" {return Theia::Parser::token::SCALE; }
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"scale" {return Theia::Parser::token::SCALE; }
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"unscale" {return Theia::Parser::token::UNSCALE; }
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"unscale" {return Theia::Parser::token::UNSCALE; }
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"using" {return Theia::Parser::token::USING; }
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"using" {return Theia::Parser::token::USING; }
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"out" {return Theia::Parser::token::OUT; }
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"out" {return Theia::Parser::token::OUT; }
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"in" {return Theia::Parser::token::IN; }
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"fixed_point_arithmetic" {return Theia::Parser::token::FIXED_POINT; }
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"fixed_point_arithmetic" {return Theia::Parser::token::FIXED_POINT; }
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"<=" {return Theia::Parser::token::LESS_OR_EQUAL_THAN; }
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"<=" {return Theia::Parser::token::LESS_OR_EQUAL_THAN; }
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">=" {return Theia::Parser::token::GREATER_OR_EQUAL_THAN; }
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">=" {return Theia::Parser::token::GREATER_OR_EQUAL_THAN; }
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"=" {return Theia::Parser::token::ASSIGN; }
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"=" {return Theia::Parser::token::ASSIGN; }
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">" {return Theia::Parser::token::GREATER_THAN; }
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">" {return Theia::Parser::token::GREATER_THAN; }
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"<" {return Theia::Parser::token::LESS_THAN; }
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"<" {return Theia::Parser::token::LESS_THAN; }
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"[" {return Theia::Parser::token::OPEN_SQUARE_BRACE; }
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"[" {return Theia::Parser::token::OPEN_SQUARE_BRACE; }
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"]" {return Theia::Parser::token::CLOSE_SQUARE_BRACE; }
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"]" {return Theia::Parser::token::CLOSE_SQUARE_BRACE; }
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"*" {return Theia::Parser::token::MUL; }
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"*" {return Theia::Parser::token::MUL; }
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"/" {return Theia::Parser::token::DIV; }
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"/" {return Theia::Parser::token::DIV; }
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"+=" {return Theia::Parser::token::ADD_EQ; }
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"+=" {return Theia::Parser::token::ADD_EQ; }
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"+" {return Theia::Parser::token::ADD; }
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"+" {return Theia::Parser::token::ADD; }
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";" {return Theia::Parser::token::EOS; }
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";" {return Theia::Parser::token::EOS; }
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"," {return Theia::Parser::token::COMMA; }
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"," {return Theia::Parser::token::COMMA; }
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"." {return Theia::Parser::token::DOT; }
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"." {return Theia::Parser::token::DOT; }
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x {*yylval = yytext;return Theia::Parser::token::TK_X; }
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x {*yylval = yytext;return Theia::Parser::token::TK_X; }
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y {*yylval = yytext;return Theia::Parser::token::TK_Y; }
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y {*yylval = yytext;return Theia::Parser::token::TK_Y; }
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z {*yylval = yytext;return Theia::Parser::token::TK_Z; }
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z {*yylval = yytext;return Theia::Parser::token::TK_Z; }
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"n" {*yylval = yytext;return Theia::Parser::token::TK_N; }
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"n" {*yylval = yytext;return Theia::Parser::token::TK_N; }
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{registry} { *yylval = yytext; return Theia::Parser::token::REG;}
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{registry} { *yylval = yytext; return Theia::Parser::token::REG;}
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{identifier} {*yylval = yytext; return Theia::Parser::token::IDENTIFIER;}
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{identifier} {*yylval = yytext; return Theia::Parser::token::IDENTIFIER;}
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. {
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. {
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std::ostringstream ret;
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std::ostringstream ret;
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ret << "Unknown Indetifier at line " << LineNumber << " '" << yytext << "'\n";
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ret << "Unknown Indetifier at line " << LineNumber << " '" << yytext << "'\n";
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throw ret.str();
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throw ret.str();
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};
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};
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%%
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%%
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