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%option 8bit reentrant bison-locations
%option never-interactive
%option noyywrap noinput nounput
%option prefix="_mp_equation_"
%option extra-type="MPEquationParserState *"
%option outfile="mp-equation-lexer.c" header-file="mp-equation-lexer.h"
%{
/* Copyright (c) 2004-2008 Sami Pietila
* Copyright (c) 2008-2009 Robert Ancell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include <stdlib.h>
#include <locale.h>
#include <string.h>
#include <sys/types.h>
#include "mp-equation-private.h"
#include "mp-equation-parser.h"
#include "mp-equation.h"
%}
ZERO "0"|"٠"|"۰"|"߀"|"०"|"০"|"੦"|"૦"|"୦"|"௦"|"౦"|"೦"|"൦"|"๐"|"໐"|"༠"|"၀"|"႐"|"០"|"᠐"|"᥆"|"᧐"|"᭐"|"᮰"|"᱀"|"᱐"|"꘠"|"꣐"|"꤀"|"꩐"|"𐒠"
ONE "1"|"١"|"۱"|"߁"|"१"|"১"|"੧"|"૧"|"୧"|"௧"|"౧"|"೧"|"൧"|"๑"|"໑"|"༡"|"၁"|"႑"|"១"|"᠑"|"᥇"|"᧑"|"᭑"|"᮱"|"᱁"|"᱑"|"꘡"|"꣑"|"꤁"|"꩑"|"𐒡"
TWO "2"|"٢"|"۲"|"߂"|"२"|"২"|"੨"|"૨"|"୨"|"௨"|"౨"|"೨"|"൨"|"๒"|"໒"|"༢"|"၂"|"႒"|"២"|"᠒"|"᥈"|"᧒"|"᭒"|"᮲"|"᱂"|"᱒"|"꘢"|"꣒"|"꤂"|"꩒"|"𐒢"
THREE "3"|"٣"|"۳"|"߃"|"३"|"৩"|"੩"|"૩"|"୩"|"௩"|"౩"|"೩"|"൩"|"๓"|"໓"|"༣"|"၃"|"႓"|"៣"|"᠓"|"᥉"|"᧓"|"᭓"|"᮳"|"᱃"|"᱓"|"꘣"|"꣓"|"꤃"|"꩓"|"𐒣"
FOUR "4"|"٤"|"۴"|"߄"|"४"|"৪"|"੪"|"૪"|"୪"|"௪"|"౪"|"೪"|"൪"|"๔"|"໔"|"༤"|"၄"|"႔"|"៤"|"᠔"|"᥊"|"᧔"|"᭔"|"᮴"|"᱄"|"᱔"|"꘤"|"꣔"|"꤄"|"꩔"|"𐒤"
FIVE "5"|"٥"|"۵"|"߅"|"५"|"৫"|"੫"|"૫"|"୫"|"௫"|"౫"|"೫"|"൫"|"๕"|"໕"|"༥"|"၅"|"႕"|"៥"|"᠕"|"᥋"|"᧕"|"᭕"|"᮵"|"᱅"|"᱕"|"꘥"|"꣕"|"꤅"|"꩕"|"𐒥"
SIX "6"|"٦"|"۶"|"߆"|"६"|"৬"|"੬"|"૬"|"୬"|"௬"|"౬"|"೬"|"൬"|"๖"|"໖"|"༦"|"၆"|"႖"|"៦"|"᠖"|"᥌"|"᧖"|"᭖"|"᮶"|"᱆"|"᱖"|"꘦"|"꣖"|"꤆"|"꩖"|"𐒦"
SEVEN "7"|"٧"|"۷"|"߇"|"७"|"৭"|"੭"|"૭"|"୭"|"௭"|"౭"|"೭"|"൭"|"๗"|"໗"|"༧"|"၇"|"႗"|"៧"|"᠗"|"᥍"|"᧗"|"᭗"|"᮷"|"᱇"|"᱗"|"꘧"|"꣗"|"꤇"|"꩗"|"𐒧"
EIGHT "8"|"٨"|"۸"|"߈"|"८"|"৮"|"੮"|"૮"|"୮"|"௮"|"౮"|"೮"|"൮"|"๘"|"໘"|"༨"|"၈"|"႘"|"៨"|"᠘"|"᥎"|"᧘"|"᭘"|"᮸"|"᱈"|"᱘"|"꘨"|"꣘"|"꤈"|"꩘"|"𐒨"
NINE "9"|"٩"|"۹"|"߉"|"९"|"৯"|"੯"|"૯"|"୯"|"௯"|"౯"|"೯"|"൯"|"๙"|"໙"|"༩"|"၉"|"႙"|"៩"|"᠙"|"᥏"|"᧙"|"᭙"|"᮹"|"᱉"|"᱙"|"꘩"|"꣙"|"꤉"|"꩙"|"𐒩"
DECIMAL "."|","
DEC {ZERO}|{ONE}|{TWO}|{THREE}|{FOUR}|{FIVE}|{SIX}|{SEVEN}|{EIGHT}|{NINE}
HEX {DEC}|[A-F]|[a-f]
SUPER_DIGITS "⁰"|"¹"|"²"|"³"|"⁴"|"⁵"|"⁶"|"⁷"|"⁸"|"⁹"
SUPER_MINUS "⁻"
SUB_DIGITS "₀"|"₁"|"₂"|"₃"|"₄"|"₅"|"₆"|"₇"|"₈"|"₉"
FRACTION "½"|"⅓"|"⅔"|"¼"|"¾"|"⅕"|"⅖"|"⅗"|"⅘"|"⅙"|"⅚"|"⅛"|"⅜"|"⅝"|"⅞"
GREEKS "α"|"β"|"γ"|"δ"|"ε"|"ζ"|"η"|"θ"|"ι"|"κ"|"λ"|"μ"|"ν"|"ξ"|"ο"|"π"|"ρ"|"ς"|"σ"|"τ"|"υ"|"φ"|"χ"|"ψ"|"ω"
DEGREES "°"
MINUTES "'"
SECONDS "\""
LETTERS [a-zA-Z]|{GREEKS}
SUP_NUM {SUPER_DIGITS}+
NSUP_NUM {SUPER_MINUS}{SUPER_DIGITS}+
SUB_NUM {SUB_DIGITS}+
WORD {LETTERS}+
DEC_NUM {DEC}+|{DEC}*{DECIMAL}{DEC}+
DEF_NUM {HEX}+|{HEX}*{DECIMAL}{HEX}+
BASE_NUM {HEX}+{SUB_NUM}|{HEX}*{DECIMAL}{HEX}+{SUB_NUM}
ANGLE_NUM {DEC_NUM}{DEGREES}|{DEC}+{DEGREES}{DEC_NUM}{MINUTES}|{DEC}+{DEGREES}{DEC}+{MINUTES}{DEC_NUM}{SECONDS}
NUMBER {DEF_NUM}|{BASE_NUM}|{FRACTION}|{DEC}+{FRACTION}|{ANGLE_NUM}
VARIABLE {WORD}|{WORD}{SUB_NUM}|{GREEKS}
MOD [mM][oO][dD]
AND "∧"|[aA][nN][dD]
OR "∨"|[oO][rR]
XOR "⊻"|"⊕"|[xX][oO][rR]
NOT "¬"|"~"|[nN][oO][tT]
RE "⃰ℜ"
IM "ℑ"
IN [iI][nN]
%%
"+" {return tADD;}
"-"|"−" {return tSUBTRACT;}
"*"|"×" {return tMULTIPLY;}
"/"|"∕"|"÷" {return tDIVIDE;}
{MOD} {return tMOD;}
"⌊" {return tLFLOOR;}
"⌋" {return tRFLOOR;}
"⌈" {return tLCEILING;}
"⌉" {return tRCEILING;}
"√" {return tROOT;}
"∛" {return tROOT3;}
"∜" {return tROOT4;}
{NOT} {return tNOT;}
{AND} {return tAND;}
{OR} {return tOR;}
{XOR} {return tXOR;}
{IN} {return tIN;}
{NUMBER} {if (mp_set_from_string(yytext, _mp_equation_get_extra(yyscanner)->options->base, &yylval->int_t) != 0) REJECT; return tNUMBER;}
{SUP_NUM} {yylval->integer = super_atoi(yytext); return tSUPNUM;}
{NSUP_NUM} {yylval->integer = super_atoi(yytext); return tNSUPNUM;}
{SUB_NUM} {yylval->integer = sub_atoi(yytext); return tSUBNUM;}
{VARIABLE} {\
MPEquationParserState *state = _mp_equation_get_extra(yyscanner);\
if (state->function_is_defined(state, yytext)) {\
yylval->name = strdup(yytext);\
return tFUNCTION;\
}\
else {\
yylval->name = strdup(yytext);\
return tVARIABLE;\
}\
}
[ \r\t\n]
. {return *yytext;}
%%
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