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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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
* of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
%option noyywrap
%{
#define FORBIDDEN_SYMBOL_ALLOW_ALL
#include "common/str.h"
#include "director/lingo/lingo.h"
#include "director/lingo/lingo-gr.h"
int yyparse();
%}
variable [_[:alpha:]][_[:alnum:]]*
constfloat [[:digit:]]+\.[[:digit:]]*
constinteger [[:digit:]]+
conststring \"[^\"\n]*\"
operator [-+*/%=^:,()><]
newline [\n\r]+
whitespace [\t ]
%%
--[^\r\n]*
^{whitespace}
[\t]+ { return ' '; }
down { return tDOWN; }
if { return tIF; }
else { return tELSE; }
end { return tEND; }
exit { return tEXIT; }
frame { return tFRAME; }
go { return tGO; }
into { return tINTO; }
loop { return tLOOP; }
macro { return tMACRO; }
mci { return tMCI; }
mciwait { return tMCIWAIT; }
movie { return tMOVIE; }
next { return tNEXT; }
of { return tOF; }
previous { return tPREVIOUS; }
put { return tPUT; }
repeat { return tREPEAT; }
set { return tSET; }
then { return tTHEN; }
to { return tTO; }
with { return tWITH; }
while { return tWHILE; }
[!][=] { return tNEQ; }
[>][=] { return tGE; }
[<][=] { return tLE; }
{variable} { yylval.s = new Common::String(yytext); return VAR; }
{constfloat} { yylval.f = atof(yytext); return FLOAT; }
{constinteger} { yylval.i = strtol(yytext, NULL, 10); return INT; }
{operator} { return *yytext; }
{newline} { return '\n'; }
{conststring} { yylval.s = new Common::String(&yytext[1]); yylval.s->deleteLastChar(); return STRING; }
%%
extern int yydebug;
namespace Director {
int Lingo::parse(const char *code) {
YY_BUFFER_STATE bp;
yydebug = 0;
yy_delete_buffer(YY_CURRENT_BUFFER);
bp = yy_scan_string(code);
yy_switch_to_buffer(bp);
yyparse();
yy_delete_buffer(bp);
return 0;
}
}
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