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/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* $Id$
*/
%{
#include <assert.h>
#include "mem/slicc/ast/ASTs.hh"
#include "parser.hh"
#include <string>
extern "C" int yylex();
extern "C" void yyerror();
extern "C" int yywrap()
{
return 1;
}
%}
%x CMNT
%x IMBEDED
%%
[\t ]+ /* Ignore whitespace */
[\n] { g_line_number++; }
"//".*[\n] { g_line_number++; } /* C++ style comments */
"/*" BEGIN CMNT;
<CMNT>. ;
<CMNT>\n { g_line_number++; }
<CMNT>"*/" { BEGIN INITIAL; }
true { yylval.str_ptr = new string(yytext); return LIT_BOOL; }
false { yylval.str_ptr = new string(yytext); return LIT_BOOL; }
global { return GLOBAL_DECL; }
machine { return MACHINE_DECL; }
in_port { return IN_PORT_DECL; }
out_port { return OUT_PORT_DECL; }
action { return ACTION_DECL; }
transition { return TRANSITION_DECL; }
structure { return STRUCT_DECL; }
external_type { return EXTERN_TYPE_DECL; }
enumeration { return ENUM_DECL; }
peek { return PEEK; }
enqueue { return ENQUEUE; }
copy_head { return COPY_HEAD; }
check_allocate { return CHECK_ALLOCATE; }
check_stop_slots { return CHECK_STOP_SLOTS; }
if { return IF; }
else { return ELSE; }
return { return RETURN; }
THIS { return THIS; }
CHIP { return CHIP; }
void { yylval.str_ptr = new string(yytext); return VOID; }
new { return NEW; }
== { yylval.str_ptr = new string(yytext); return EQ; }
!= { yylval.str_ptr = new string(yytext); return NE; }
[<] { yylval.str_ptr = new string(yytext); return '<'; }
[>] { yylval.str_ptr = new string(yytext); return '>'; }
[<][<] { yylval.str_ptr = new string(yytext); return LEFTSHIFT; }
[>][>] { yylval.str_ptr = new string(yytext); return RIGHTSHIFT; }
[<][=] { yylval.str_ptr = new string(yytext); return LE; }
[>][=] { yylval.str_ptr = new string(yytext); return GE; }
[!] { yylval.str_ptr = new string(yytext); return NOT; }
[&][&] { yylval.str_ptr = new string(yytext); return AND; }
[|][|] { yylval.str_ptr = new string(yytext); return OR; }
[+] { yylval.str_ptr = new string(yytext); return PLUS; }
[-] { yylval.str_ptr = new string(yytext); return DASH; }
[*] { yylval.str_ptr = new string(yytext); return STAR; }
[/] { yylval.str_ptr = new string(yytext); return SLASH; }
:: { return DOUBLE_COLON; }
[:] { return ':'; }
[;] { return SEMICOLON; }
[[] { return '['; }
[]] { return ']'; }
[{] { return '{'; }
[}] { return '}'; }
[(] { return '('; }
[)] { return ')'; }
[,] { return ','; }
[=] { return '='; }
:= { return ASSIGN; }
[.] { return DOT; }
[0-9]*[.][0-9]* { yylval.str_ptr = new string(yytext); return FLOATNUMBER; }
[0-9]* { yylval.str_ptr = new string(yytext); return NUMBER; }
[a-zA-Z_][a-zA-Z_0-9]{0,50} { yylval.str_ptr = new string(yytext); return IDENT; }
\"[^"\n]*\" { yytext[strlen(yytext)-1] = '\0'; yylval.str_ptr = new string(yytext+1); return STRING; }
\'[^'\n]*\' { yytext[strlen(yytext)-1] = '\0'; yylval.str_ptr = new string(yytext+1); return STRING; }
. { return OTHER; } /* Need so that we handle all characters */
%%
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