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|
%k 10000
%n 5000
%a 20000
%e 10000
%p 25000
Ident ([A-Za-z_][A-Za-z_0-9]*)
Number ([0-9]+)
String ([-/._$A-Za-z0-9]+)
QString (\"[^"\n]*\")
AString (\<[^>\n]*\>)
FileName ({QString}|{AString})
%{
/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
#include <string.h>
#include "mig_string.h"
#include "type.h"
#include "statement.h"
#include "global.h"
#include "parser.h"
#include "lexxer.h"
#include "cpu.h"
#define stringize(x) #x
#ifdef LDEBUG
#define RETURN(sym) \
{ \
printf("yylex: returning '%s' (%d)\n", #sym, (sym)); \
return (sym); \
}
#else LDEBUG
#define RETURN(sym) return (sym)
#endif LDEBUG
#define TPRETURN(intype, outtype, tsize) \
{ \
yylval.symtype.innumber = (intype); \
yylval.symtype.instr = stringize(intype); \
yylval.symtype.outnumber = (outtype); \
yylval.symtype.outstr = stringize(outtype); \
yylval.symtype.size = (tsize); \
RETURN(sySymbolicType); \
}
#define TRETURN(type, tsize) TPRETURN(type,type,tsize)
#define FRETURN(val) \
{ \
yylval.flag = (val); \
RETURN(syIPCFlag); \
}
extern YYSTYPE yylval; /* added by rm */
int lineno;
char *inname;
#ifdef YY_START
static int oldYYBegin;
#define SAVE_BEGIN oldYYBegin = YY_START
#define RSTR_BEGIN BEGIN oldYYBegin
#else
static struct yysvf *oldYYBegin;
#define SAVE_BEGIN oldYYBegin = yybgin
#define RSTR_BEGIN yybgin = oldYYBegin;
#endif
static void doSharp(const char *body); /* process body of # directives */
%}
%Start Normal String FileName QString SkipToEOL
%%
<Normal>[Rr][Oo][Uu][Tt][Ii][Nn][Ee] RETURN(syRoutine);
<Normal>[Ff][Uu][Nn][Cc][Tt][Ii][Oo][Nn] RETURN(syFunction);
<Normal>[Pp][Rr][Oo][Cc][Ee][Dd][Uu][Rr][Ee] RETURN(syProcedure);
<Normal>[Ss][Ii][Mm][Pp][Ll][Ee][Pp][Rr][Oo][Cc][Ee][Dd][Uu][Rr][Ee] RETURN(sySimpleProcedure);
<Normal>[Ss][Ii][Mm][Pp][Ll][Ee][Rr][Oo][Uu][Tt][Ii][Nn][Ee] RETURN(sySimpleRoutine);
<Normal>[Ss][Uu][Bb][Ss][Yy][Ss][Tt][Ee][Mm] RETURN(sySubsystem);
<Normal>[Mm][Ss][Gg][Oo][Pp][Tt][Ii][Oo][Nn] RETURN(syMsgOption);
<Normal>[Mm][Ss][Gg][Ss][Ee][Qq][Nn][Oo] RETURN(syMsgSeqno);
<Normal>[Ww][Aa][Ii][Tt][Tt][Ii][Mm][Ee] RETURN(syWaitTime);
<Normal>[Nn][Oo][Ww][Aa][Ii][Tt][Tt][Ii][Mm][Ee] RETURN(syNoWaitTime);
<Normal>[Ii][Nn] RETURN(syIn);
<Normal>[Oo][Uu][Tt] RETURN(syOut);
<Normal>[Ii][Nn][Oo][Uu][Tt] RETURN(syInOut);
<Normal>[Rr][Ee][Qq][Uu][Ee][Ss][Tt][Pp][Oo][Rr][Tt] RETURN(syRequestPort);
<Normal>[Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(syReplyPort);
<Normal>[Uu][Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(syUReplyPort);
<Normal>[Ss][Rr][Ee][Pp][Ll][Yy][Pp][Oo][Rr][Tt] RETURN(sySReplyPort);
<Normal>[Aa][Rr][Rr][Aa][Yy] RETURN(syArray);
<Normal>[Oo][Ff] RETURN(syOf);
<Normal>[Ee][Rr][Rr][Oo][Rr] RETURN(syErrorProc);
<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Pp][Rr][Ee][Ff][Ii][Xx] RETURN(syServerPrefix);
<Normal>[Uu][Ss][Ee][Rr][Pp][Rr][Ee][Ff][Ii][Xx] RETURN(syUserPrefix);
<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Dd][Ee][Mm][Uu][Xx] RETURN(syServerDemux);
<Normal>[Rr][Cc][Ss][Ii][Dd] RETURN(syRCSId);
<Normal>[Ii][Mm][Pp][Oo][Rr][Tt] RETURN(syImport);
<Normal>[Uu][Ii][Mm][Pp][Oo][Rr][Tt] RETURN(syUImport);
<Normal>[Ss][Ii][Mm][Pp][Oo][Rr][Tt] RETURN(sySImport);
<Normal>[Tt][Yy][Pp][Ee] RETURN(syType);
<Normal>[Kk][Ee][Rr][Nn][Ee][Ll][Ss][Ee][Rr][Vv][Ee][Rr] RETURN(syKernelServer);
<Normal>[Kk][Ee][Rr][Nn][Ee][Ll][Uu][Ss][Ee][Rr] RETURN(syKernelUser);
<Normal>[Ss][Kk][Ii][Pp] RETURN(sySkip);
<Normal>[Ss][Tt][Rr][Uu][Cc][Tt] RETURN(syStruct);
<Normal>[Ii][Nn][Tt][Rr][Aa][Nn] RETURN(syInTran);
<Normal>[Oo][Uu][Tt][Tt][Rr][Aa][Nn] RETURN(syOutTran);
<Normal>[Dd][Ee][Ss][Tt][Rr][Uu][Cc][Tt][Oo][Rr] RETURN(syDestructor);
<Normal>[Cc][Tt][Yy][Pp][Ee] RETURN(syCType);
<Normal>[Cc][Uu][Ss][Ee][Rr][Tt][Yy][Pp][Ee] RETURN(syCUserType);
<Normal>[Cc][Ss][Ee][Rr][Vv][Ee][Rr][Tt][Yy][Pp][Ee] RETURN(syCServerType);
<Normal>[Cc]_[Ss][Tt][Rr][Ii][Nn][Gg] RETURN(syCString);
<Normal>[Ii][Ss][Ll][Oo][Nn][Gg] FRETURN(flLong);
<Normal>[Ii][Ss][Nn][Oo][Tt][Ll][Oo][Nn][Gg] FRETURN(flNotLong);
<Normal>[Dd][Ee][Aa][Ll][Ll][Oo][Cc] FRETURN(flDealloc);
<Normal>[Nn][Oo][Tt][Dd][Ee][Aa][Ll][Ll][Oo][Cc] FRETURN(flNotDealloc);
<Normal>[Ss][Ee][Rr][Vv][Ee][Rr][Cc][Oo][Pp][Yy] FRETURN(flServerCopy);
<Normal>[Cc][Oo][Uu][Nn][Tt][Ii][Nn][Oo][Uu][Tt] FRETURN(flCountInOut);
<Normal>[Pp][Oo][Ll][Yy][Mm][Oo][Rr][Pp][Hh][Ii][Cc] TRETURN(MACH_MSG_TYPE_POLYMORPHIC,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_UNSTRUCTURED" TRETURN(MACH_MSG_TYPE_UNSTRUCTURED,0);
<Normal>"MACH_MSG_TYPE_BIT" TRETURN(MACH_MSG_TYPE_BIT,1);
<Normal>"MACH_MSG_TYPE_BOOLEAN" TRETURN(MACH_MSG_TYPE_BOOLEAN,32);
<Normal>"MACH_MSG_TYPE_INTEGER_16" TRETURN(MACH_MSG_TYPE_INTEGER_16,16);
<Normal>"MACH_MSG_TYPE_INTEGER_32" TRETURN(MACH_MSG_TYPE_INTEGER_32,32);
<Normal>"MACH_MSG_TYPE_INTEGER_64" TRETURN(MACH_MSG_TYPE_INTEGER_64,64);
<Normal>"MACH_MSG_TYPE_CHAR" TRETURN(MACH_MSG_TYPE_CHAR,8);
<Normal>"MACH_MSG_TYPE_BYTE" TRETURN(MACH_MSG_TYPE_BYTE,8);
<Normal>"MACH_MSG_TYPE_INTEGER_8" TRETURN(MACH_MSG_TYPE_INTEGER_8,8);
<Normal>"MACH_MSG_TYPE_REAL" TRETURN(MACH_MSG_TYPE_REAL,0);
<Normal>"MACH_MSG_TYPE_STRING" TRETURN(MACH_MSG_TYPE_STRING,0);
<Normal>"MACH_MSG_TYPE_STRING_C" TRETURN(MACH_MSG_TYPE_STRING_C,0);
<Normal>"MACH_MSG_TYPE_MOVE_RECEIVE" TPRETURN(MACH_MSG_TYPE_MOVE_RECEIVE,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_COPY_SEND" TPRETURN(MACH_MSG_TYPE_COPY_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_MAKE_SEND" TPRETURN(MACH_MSG_TYPE_MAKE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_MOVE_SEND" TPRETURN(MACH_MSG_TYPE_MOVE_SEND,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_MAKE_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_MAKE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_MOVE_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_MOVE_SEND_ONCE,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_PORT_NAME" TRETURN(MACH_MSG_TYPE_PORT_NAME,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_PORT_RECEIVE" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_RECEIVE,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_PORT_SEND" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_PORT_SEND_ONCE" TPRETURN(MACH_MSG_TYPE_POLYMORPHIC,MACH_MSG_TYPE_PORT_SEND_ONCE,word_size_in_bits);
<Normal>"MACH_MSG_TYPE_POLYMORPHIC" TRETURN(MACH_MSG_TYPE_POLYMORPHIC,0);
<Normal>":" RETURN(syColon);
<Normal>";" RETURN(sySemi);
<Normal>"," RETURN(syComma);
<Normal>"+" RETURN(syPlus);
<Normal>"-" RETURN(syMinus);
<Normal>"*" RETURN(syStar);
<Normal>"/" RETURN(syDiv);
<Normal>"(" RETURN(syLParen);
<Normal>")" RETURN(syRParen);
<Normal>"=" RETURN(syEqual);
<Normal>"^" RETURN(syCaret);
<Normal>"~" RETURN(syTilde);
<Normal>"<" RETURN(syLAngle);
<Normal>">" RETURN(syRAngle);
<Normal>"[" RETURN(syLBrack);
<Normal>"]" RETURN(syRBrack);
<Normal>"|" RETURN(syBar);
<Normal>{Ident} { yylval.identifier = strmake(yytext);
RETURN(syIdentifier); }
<Normal>{Number} { yylval.number = atoi(yytext); RETURN(syNumber); }
<String>{String} { yylval.string = strmake(yytext);
BEGIN Normal; RETURN(syString); }
<FileName>{FileName} { yylval.string = strmake(yytext);
BEGIN Normal; RETURN(syFileName); }
<QString>{QString} { yylval.string = strmake(yytext);
BEGIN Normal; RETURN(syQString); }
^\#[ \t]*{Number}[ \t]*\"[^"]*\" { doSharp(yytext+1);
SAVE_BEGIN;
BEGIN SkipToEOL; }
^\#\ *{Number} { doSharp(yytext+1);
SAVE_BEGIN;
BEGIN SkipToEOL; }
^\# { yyerror("illegal # directive");
SAVE_BEGIN;
BEGIN SkipToEOL; }
<SkipToEOL>\n RSTR_BEGIN;
<SkipToEOL>. ;
[ \t] ;
\n { lineno++; }
. { BEGIN Normal; RETURN(syError); }
%%
extern void
LookNormal(void)
{
if (inname == 0)
{
inname = strmake("(unknown)");
lineno = 0;
}
BEGIN Normal;
}
extern void
LookString(void)
{
BEGIN String;
}
extern void
LookQString(void)
{
BEGIN QString;
}
extern void
LookFileName(void)
{
BEGIN FileName;
}
static void
doSharp(const char *body)
{
register const char *startName;
lineno = atoi(body);
startName = strchr(body, '"');
if (startName != NULL)
{
*strrchr(body, '"') = '\0';
strfree(inname);
inname = strmake(startName+1);
}
}
|
